| /* |
| * Copyright (c) 2017 Cisco and/or its affiliates. |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <signal.h> |
| #include <svm/svm_fifo_segment.h> |
| #include <vlibmemory/api.h> |
| #include <vpp/api/vpe_msg_enum.h> |
| #include <vnet/session/application_interface.h> |
| #include <vcl/vppcom.h> |
| #include <vlib/unix/unix.h> |
| #include <vppinfra/vec_bootstrap.h> |
| #include <vppinfra/elog.h> |
| |
| #define vl_typedefs /* define message structures */ |
| #include <vpp/api/vpe_all_api_h.h> |
| #undef vl_typedefs |
| |
| /* declare message handlers for each api */ |
| |
| #define vl_endianfun /* define message structures */ |
| #include <vpp/api/vpe_all_api_h.h> |
| #undef vl_endianfun |
| |
| /* instantiate all the print functions we know about */ |
| #define vl_print(handle, ...) |
| #define vl_printfun |
| #include <vpp/api/vpe_all_api_h.h> |
| #undef vl_printfun |
| |
| #if (CLIB_DEBUG > 0) |
| /* Set VPPCOM_DEBUG_INIT 2 for connection debug, |
| * 3 for read/write debug output |
| * or |
| * export VCL_DEBUG=<#> to set dynamically. |
| */ |
| #define VPPCOM_DEBUG_INIT 1 |
| #else |
| #define VPPCOM_DEBUG_INIT 0 |
| #endif |
| |
| #define VPPCOM_DEBUG vcm->debug |
| |
| /* |
| * VPPCOM Private definitions and functions. |
| */ |
| typedef enum |
| { |
| STATE_APP_START, |
| STATE_APP_CONN_VPP, |
| STATE_APP_ENABLED, |
| STATE_APP_ATTACHED, |
| } app_state_t; |
| |
| typedef enum |
| { |
| STATE_START = 0x01, |
| STATE_CONNECT = 0x02, |
| STATE_LISTEN = 0x04, |
| STATE_ACCEPT = 0x08, |
| STATE_CLOSE_ON_EMPTY = 0x10, |
| STATE_DISCONNECT = 0x20, |
| STATE_FAILED = 0x40 |
| } session_state_t; |
| |
| #define SERVER_STATE_OPEN (STATE_ACCEPT|STATE_CLOSE_ON_EMPTY) |
| #define CLIENT_STATE_OPEN (STATE_CONNECT|STATE_CLOSE_ON_EMPTY) |
| |
| typedef struct epoll_event vppcom_epoll_event_t; |
| |
| typedef struct |
| { |
| u32 next_sid; |
| u32 prev_sid; |
| u32 vep_idx; |
| vppcom_epoll_event_t ev; |
| #define VEP_DEFAULT_ET_MASK (EPOLLIN|EPOLLOUT) |
| #define VEP_UNSUPPORTED_EVENTS (EPOLLONESHOT|EPOLLEXCLUSIVE) |
| u32 et_mask; |
| } vppcom_epoll_t; |
| |
| typedef struct |
| { |
| u8 is_ip4; |
| ip46_address_t ip46; |
| } vppcom_ip46_t; |
| |
| enum |
| { |
| VCL_SESS_ATTR_SERVER, |
| VCL_SESS_ATTR_CUT_THRU, |
| VCL_SESS_ATTR_VEP, |
| VCL_SESS_ATTR_VEP_SESSION, |
| VCL_SESS_ATTR_LISTEN, // SOL_SOCKET,SO_ACCEPTCONN |
| VCL_SESS_ATTR_NONBLOCK, // fcntl,O_NONBLOCK |
| VCL_SESS_ATTR_REUSEADDR, // SOL_SOCKET,SO_REUSEADDR |
| VCL_SESS_ATTR_REUSEPORT, // SOL_SOCKET,SO_REUSEPORT |
| VCL_SESS_ATTR_BROADCAST, // SOL_SOCKET,SO_BROADCAST |
| VCL_SESS_ATTR_V6ONLY, // SOL_TCP,IPV6_V6ONLY |
| VCL_SESS_ATTR_KEEPALIVE, // SOL_SOCKET,SO_KEEPALIVE |
| VCL_SESS_ATTR_TCP_NODELAY, // SOL_TCP,TCP_NODELAY |
| VCL_SESS_ATTR_TCP_KEEPIDLE, // SOL_TCP,TCP_KEEPIDLE |
| VCL_SESS_ATTR_TCP_KEEPINTVL, // SOL_TCP,TCP_KEEPINTVL |
| VCL_SESS_ATTR_MAX |
| } vppcom_session_attr_t; |
| |
| #define VCL_SESS_ATTR_SET(ATTR, VAL) \ |
| do { \ |
| (ATTR) |= 1 << (VAL); \ |
| } while (0) |
| |
| #define VCL_SESS_ATTR_CLR(ATTR, VAL) \ |
| do { \ |
| (ATTR) &= ~(1 << (VAL)); \ |
| } while (0) |
| |
| #define VCL_SESS_ATTR_TEST(ATTR, VAL) \ |
| ((ATTR) & (1 << (VAL)) ? 1 : 0) |
| |
| typedef struct |
| { |
| volatile session_state_t state; |
| |
| svm_fifo_t *server_rx_fifo; |
| svm_fifo_t *server_tx_fifo; |
| u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF) |
| u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF) |
| u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG) |
| u8 *segment_name; |
| u32 sm_seg_index; |
| u32 client_context; |
| u64 vpp_handle; |
| svm_queue_t *vpp_event_queue; |
| |
| /* Socket configuration state */ |
| /* TBD: covert 'is_*' vars to bit in session->attr; */ |
| u8 is_server; |
| u8 is_listen; |
| u8 is_cut_thru; |
| u8 is_nonblocking; |
| u8 is_vep; |
| u8 is_vep_session; |
| u32 attr; |
| u32 wait_cont_idx; |
| vppcom_epoll_t vep; |
| int libc_epfd; |
| vppcom_ip46_t lcl_addr; |
| vppcom_ip46_t peer_addr; |
| u16 lcl_port; // network order |
| u16 peer_port; // network order |
| u8 proto; |
| u64 client_queue_address; |
| u64 options[16]; |
| elog_track_t elog_track; |
| } session_t; |
| |
| typedef struct vppcom_cfg_t_ |
| { |
| u64 heapsize; |
| u32 vpp_api_q_length; |
| u64 segment_baseva; |
| u32 segment_size; |
| u32 add_segment_size; |
| u32 preallocated_fifo_pairs; |
| u32 rx_fifo_size; |
| u32 tx_fifo_size; |
| u32 event_queue_size; |
| u32 listen_queue_size; |
| u8 app_proxy_transport_tcp; |
| u8 app_proxy_transport_udp; |
| u8 app_scope_local; |
| u8 app_scope_global; |
| u8 *namespace_id; |
| u64 namespace_secret; |
| f64 app_timeout; |
| f64 session_timeout; |
| f64 accept_timeout; |
| u32 event_ring_size; |
| char *event_log_path; |
| } vppcom_cfg_t; |
| |
| typedef struct vppcom_main_t_ |
| { |
| u8 init; |
| u32 debug; |
| u32 *client_session_index_fifo; |
| int main_cpu; |
| |
| /* vpe input queue */ |
| svm_queue_t *vl_input_queue; |
| |
| /* API client handle */ |
| u32 my_client_index; |
| |
| /* Session pool */ |
| clib_spinlock_t sessions_lockp; |
| session_t *sessions; |
| |
| /* Hash table for disconnect processing */ |
| uword *session_index_by_vpp_handles; |
| |
| /* Select bitmaps */ |
| clib_bitmap_t *rd_bitmap; |
| clib_bitmap_t *wr_bitmap; |
| clib_bitmap_t *ex_bitmap; |
| |
| /* Our event queue */ |
| svm_queue_t *app_event_queue; |
| |
| /* unique segment name counter */ |
| u32 unique_segment_index; |
| |
| /* For deadman timers */ |
| clib_time_t clib_time; |
| |
| /* State of the connection, shared between msg RX thread and main thread */ |
| volatile app_state_t app_state; |
| |
| vppcom_cfg_t cfg; |
| |
| /* Event logging */ |
| elog_main_t elog_main; |
| elog_track_t elog_track; |
| |
| /* VNET_API_ERROR_FOO -> "Foo" hash table */ |
| uword *error_string_by_error_number; |
| } vppcom_main_t; |
| |
| /* NOTE: _vppcom_main is only used until the heap is allocated. |
| * Do not access it directly -- use vcm which will point to |
| * the heap allocated copy after init. |
| */ |
| static vppcom_main_t _vppcom_main = { |
| .debug = VPPCOM_DEBUG_INIT, |
| .my_client_index = ~0 |
| }; |
| |
| static vppcom_main_t *vcm = &_vppcom_main; |
| |
| #define VCL_LOCK_AND_GET_SESSION(I, S) \ |
| do { \ |
| clib_spinlock_lock (&vcm->sessions_lockp); \ |
| rv = vppcom_session_at_index (I, S); \ |
| if (PREDICT_FALSE (rv)) \ |
| { \ |
| clib_spinlock_unlock (&vcm->sessions_lockp); \ |
| clib_warning ("VCL<%d>: ERROR: Invalid ##I (%u)!", \ |
| getpid (), I); \ |
| goto done; \ |
| } \ |
| } while (0) |
| |
| static const char * |
| vppcom_app_state_str (app_state_t state) |
| { |
| char *st; |
| |
| switch (state) |
| { |
| case STATE_APP_START: |
| st = "STATE_APP_START"; |
| break; |
| |
| case STATE_APP_CONN_VPP: |
| st = "STATE_APP_CONN_VPP"; |
| break; |
| |
| case STATE_APP_ENABLED: |
| st = "STATE_APP_ENABLED"; |
| break; |
| |
| case STATE_APP_ATTACHED: |
| st = "STATE_APP_ATTACHED"; |
| break; |
| |
| default: |
| st = "UNKNOWN_APP_STATE"; |
| break; |
| } |
| |
| return st; |
| } |
| |
| static const char * |
| vppcom_session_state_str (session_state_t state) |
| { |
| char *st; |
| |
| switch (state) |
| { |
| case STATE_START: |
| st = "STATE_START"; |
| break; |
| |
| case STATE_CONNECT: |
| st = "STATE_CONNECT"; |
| break; |
| |
| case STATE_LISTEN: |
| st = "STATE_LISTEN"; |
| break; |
| |
| case STATE_ACCEPT: |
| st = "STATE_ACCEPT"; |
| break; |
| |
| case STATE_CLOSE_ON_EMPTY: |
| st = "STATE_CLOSE_ON_EMPTY"; |
| break; |
| |
| case STATE_DISCONNECT: |
| st = "STATE_DISCONNECT"; |
| break; |
| |
| case STATE_FAILED: |
| st = "STATE_FAILED"; |
| break; |
| |
| default: |
| st = "UNKNOWN_STATE"; |
| break; |
| } |
| |
| return st; |
| } |
| |
| /* |
| * VPPCOM Utility Functions |
| */ |
| static inline int |
| vppcom_session_at_index (u32 session_index, session_t * volatile *sess) |
| { |
| /* Assumes that caller has acquired spinlock: vcm->sessions_lockp */ |
| if (PREDICT_FALSE ((session_index == ~0) || |
| pool_is_free_index (vcm->sessions, session_index))) |
| { |
| clib_warning ("VCL<%d>: invalid session, sid (%u) has been closed!", |
| getpid (), session_index); |
| return VPPCOM_EBADFD; |
| } |
| *sess = pool_elt_at_index (vcm->sessions, session_index); |
| return VPPCOM_OK; |
| } |
| |
| static inline void |
| vppcom_session_table_add_listener (u64 listener_handle, u32 value) |
| { |
| /* Session and listener handles have different formats. The latter has |
| * the thread index in the upper 32 bits while the former has the session |
| * type. Knowing that, for listeners we just flip the MSB to 1 */ |
| listener_handle |= 1ULL << 63; |
| hash_set (vcm->session_index_by_vpp_handles, listener_handle, value); |
| } |
| |
| static inline session_t * |
| vppcom_session_table_lookup_listener (u64 listener_handle) |
| { |
| uword *p; |
| u64 handle = listener_handle | (1ULL << 63); |
| session_t *session; |
| |
| p = hash_get (vcm->session_index_by_vpp_handles, handle); |
| if (!p) |
| { |
| clib_warning ("VCL<%d>: couldn't find listen session: unknown vpp " |
| "listener handle %llx", getpid (), listener_handle); |
| return 0; |
| } |
| if (pool_is_free_index (vcm->sessions, p[0])) |
| { |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: invalid listen session, sid (%u)", |
| getpid (), p[0]); |
| return 0; |
| } |
| |
| session = pool_elt_at_index (vcm->sessions, p[0]); |
| ASSERT (session->is_listen); |
| return session; |
| } |
| |
| static inline void |
| vppcom_session_table_del_listener (u64 listener_handle) |
| { |
| listener_handle |= 1ULL << 63; |
| hash_unset (vcm->session_index_by_vpp_handles, listener_handle); |
| } |
| |
| static void |
| write_elog (void) |
| { |
| elog_main_t *em = &vcm->elog_main; |
| char *chroot_file; |
| clib_error_t *error = 0; |
| |
| chroot_file = |
| (char *) format (0, "%s/%d-%d-vcl-elog%c", vcm->cfg.event_log_path, |
| vcm->my_client_index, getpid (), 0); |
| error = elog_write_file (em, chroot_file, 1 /* flush ring */ ); |
| if (error) |
| { |
| clib_error_report (error); |
| } |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file); |
| |
| } |
| |
| static int |
| vppcom_connect_to_vpp (char *app_name) |
| { |
| api_main_t *am = &api_main; |
| int rv = VPPCOM_OK; |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: app (%s) connecting to VPP api...", |
| getpid (), app_name); |
| |
| if (vl_client_connect_to_vlib ("/vpe-api", app_name, |
| vcm->cfg.vpp_api_q_length) < 0) |
| { |
| clib_warning ("VCL<%d>: app (%s) connect failed!", getpid (), app_name); |
| rv = VPPCOM_ECONNREFUSED; |
| } |
| else |
| { |
| vcm->vl_input_queue = am->shmem_hdr->vl_input_queue; |
| vcm->my_client_index = am->my_client_index; |
| vcm->app_state = STATE_APP_CONN_VPP; |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: app (%s) is connected to VPP!", |
| getpid (), app_name); |
| } |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| vcm->elog_main.lock = |
| clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES); |
| vcm->elog_main.lock[0] = 0; |
| vcm->elog_main.event_ring_size = vcm->cfg.event_ring_size; |
| elog_init (&vcm->elog_main, vcm->elog_main.event_ring_size); |
| elog_enable_disable (&vcm->elog_main, 1); |
| |
| vcm->elog_track.name = |
| (char *) format (0, "P:%d:C:%d%c", getpid (), |
| vcm->my_client_index, 0); |
| elog_track_register (&vcm->elog_main, &vcm->elog_track); |
| |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "connect_vpp:rv:%d", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track); |
| ed->data = rv; |
| /* *INDENT-ON* */ |
| } |
| return rv; |
| } |
| |
| static u8 * |
| format_api_error (u8 * s, va_list * args) |
| { |
| i32 error = va_arg (*args, u32); |
| uword *p; |
| |
| p = hash_get (vcm->error_string_by_error_number, -error); |
| |
| if (p) |
| s = format (s, "%s (%d)", p[0], error); |
| else |
| s = format (s, "%d", error); |
| return s; |
| } |
| |
| static void |
| vppcom_init_error_string_table (void) |
| { |
| vcm->error_string_by_error_number = hash_create (0, sizeof (uword)); |
| |
| #define _(n,v,s) hash_set (vcm->error_string_by_error_number, -v, s); |
| foreach_vnet_api_error; |
| #undef _ |
| |
| hash_set (vcm->error_string_by_error_number, 99, "Misc"); |
| } |
| |
| static inline int |
| vppcom_wait_for_app_state_change (app_state_t app_state) |
| { |
| f64 timeout = clib_time_now (&vcm->clib_time) + vcm->cfg.app_timeout; |
| |
| while (clib_time_now (&vcm->clib_time) < timeout) |
| { |
| if (vcm->app_state == app_state) |
| return VPPCOM_OK; |
| } |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: timeout waiting for state %s (%d)", getpid (), |
| vppcom_app_state_str (app_state), app_state); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "ERR: timeout state:%d", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track); |
| |
| ed->data = app_state; |
| /* *INDENT-ON* */ |
| } |
| |
| return VPPCOM_ETIMEDOUT; |
| } |
| |
| static inline int |
| vppcom_wait_for_session_state_change (u32 session_index, |
| session_state_t state, |
| f64 wait_for_time) |
| { |
| f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time; |
| session_t *volatile session; |
| int rv; |
| |
| do |
| { |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| rv = vppcom_session_at_index (session_index, &session); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| return rv; |
| } |
| if (session->state == state) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| return VPPCOM_OK; |
| } |
| if (session->state == STATE_FAILED) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| return VPPCOM_ECONNREFUSED; |
| } |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| while (clib_time_now (&vcm->clib_time) < timeout); |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: timeout waiting for state 0x%x (%s)", getpid (), |
| state, vppcom_session_state_str (state)); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "ERR: timeout state:%d", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->data = state; |
| /* *INDENT-ON* */ |
| } |
| |
| return VPPCOM_ETIMEDOUT; |
| } |
| |
| static inline int |
| vppcom_wait_for_client_session_index (f64 wait_for_time) |
| { |
| f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time; |
| |
| do |
| { |
| if (clib_fifo_elts (vcm->client_session_index_fifo)) |
| return VPPCOM_OK; |
| } |
| while (clib_time_now (&vcm->clib_time) < timeout); |
| |
| if (wait_for_time == 0) |
| return VPPCOM_EAGAIN; |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: timeout waiting for client_session_index", |
| getpid ()); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "ERR: timeout waiting for session index :%d", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track); |
| |
| ed->data = getpid(); |
| /* *INDENT-ON* */ |
| } |
| |
| return VPPCOM_ETIMEDOUT; |
| } |
| |
| /* |
| * VPP-API message functions |
| */ |
| static void |
| vppcom_send_session_enable_disable (u8 is_enable) |
| { |
| vl_api_session_enable_disable_t *bmp; |
| bmp = vl_msg_api_alloc (sizeof (*bmp)); |
| memset (bmp, 0, sizeof (*bmp)); |
| |
| bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE); |
| bmp->client_index = vcm->my_client_index; |
| bmp->context = htonl (0xfeedface); |
| bmp->is_enable = is_enable; |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp); |
| } |
| |
| static int |
| vppcom_app_session_enable (void) |
| { |
| int rv; |
| |
| if (vcm->app_state != STATE_APP_ENABLED) |
| { |
| vppcom_send_session_enable_disable (1 /* is_enabled == TRUE */ ); |
| rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED); |
| if (PREDICT_FALSE (rv)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: application session enable timed out! " |
| "returning %d (%s)", |
| getpid (), rv, vppcom_retval_str (rv)); |
| return rv; |
| } |
| } |
| return VPPCOM_OK; |
| } |
| |
| static void |
| vl_api_session_enable_disable_reply_t_handler |
| (vl_api_session_enable_disable_reply_t * mp) |
| { |
| if (mp->retval) |
| { |
| clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (), |
| format_api_error, ntohl (mp->retval)); |
| } |
| else |
| vcm->app_state = STATE_APP_ENABLED; |
| } |
| |
| static void |
| vppcom_app_send_attach (void) |
| { |
| vl_api_application_attach_t *bmp; |
| u8 nsid_len = vec_len (vcm->cfg.namespace_id); |
| u8 app_is_proxy = (vcm->cfg.app_proxy_transport_tcp || |
| vcm->cfg.app_proxy_transport_udp); |
| |
| bmp = vl_msg_api_alloc (sizeof (*bmp)); |
| memset (bmp, 0, sizeof (*bmp)); |
| |
| bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH); |
| bmp->client_index = vcm->my_client_index; |
| bmp->context = htonl (0xfeedface); |
| bmp->options[APP_OPTIONS_FLAGS] = |
| APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT | |
| (vcm->cfg.app_scope_local ? APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE : 0) | |
| (vcm->cfg.app_scope_global ? APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE : 0) | |
| (app_is_proxy ? APP_OPTIONS_FLAGS_IS_PROXY : 0); |
| bmp->options[APP_OPTIONS_PROXY_TRANSPORT] = |
| (vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) | |
| (vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 0); |
| bmp->options[APP_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size; |
| bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size; |
| bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size; |
| bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size; |
| bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = |
| vcm->cfg.preallocated_fifo_pairs; |
| bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = vcm->cfg.event_queue_size; |
| if (nsid_len) |
| { |
| bmp->namespace_id_len = nsid_len; |
| clib_memcpy (bmp->namespace_id, vcm->cfg.namespace_id, nsid_len); |
| bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret; |
| } |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp); |
| } |
| |
| static int |
| vppcom_app_attach (void) |
| { |
| int rv; |
| |
| vppcom_app_send_attach (); |
| rv = vppcom_wait_for_app_state_change (STATE_APP_ATTACHED); |
| if (PREDICT_FALSE (rv)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: application attach timed out! " |
| "returning %d (%s)", |
| getpid (), rv, vppcom_retval_str (rv)); |
| return rv; |
| } |
| return VPPCOM_OK; |
| } |
| |
| static void |
| vppcom_app_detach (void) |
| { |
| vl_api_application_detach_t *bmp; |
| bmp = vl_msg_api_alloc (sizeof (*bmp)); |
| memset (bmp, 0, sizeof (*bmp)); |
| |
| bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH); |
| bmp->client_index = vcm->my_client_index; |
| bmp->context = htonl (0xfeedface); |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp); |
| } |
| |
| static void |
| vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t * |
| mp) |
| { |
| static svm_fifo_segment_create_args_t _a; |
| svm_fifo_segment_create_args_t *a = &_a; |
| int rv; |
| |
| memset (a, 0, sizeof (*a)); |
| if (mp->retval) |
| { |
| clib_warning ("VCL<%d>: attach failed: %U", getpid (), |
| format_api_error, ntohl (mp->retval)); |
| return; |
| } |
| |
| if (mp->segment_name_length == 0) |
| { |
| clib_warning ("VCL<%d>: segment_name_length zero", getpid ()); |
| return; |
| } |
| |
| a->segment_name = (char *) mp->segment_name; |
| a->segment_size = mp->segment_size; |
| |
| ASSERT (mp->app_event_queue_address); |
| |
| /* Attach to the segment vpp created */ |
| rv = svm_fifo_segment_attach (a); |
| vec_reset_length (a->new_segment_indices); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed", |
| getpid (), mp->segment_name); |
| return; |
| } |
| |
| vcm->app_event_queue = |
| uword_to_pointer (mp->app_event_queue_address, svm_queue_t *); |
| |
| vcm->app_state = STATE_APP_ATTACHED; |
| } |
| |
| static void |
| vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * |
| mp) |
| { |
| if (mp->retval) |
| clib_warning ("VCL<%d>: detach failed: %U", getpid (), format_api_error, |
| ntohl (mp->retval)); |
| |
| vcm->app_state = STATE_APP_ENABLED; |
| } |
| |
| static void |
| vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * |
| mp) |
| { |
| if (mp->retval) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx: disconnect session failed: %U", |
| getpid (), mp->handle, format_api_error, |
| ntohl (mp->retval)); |
| } |
| |
| static void |
| vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) |
| { |
| static svm_fifo_segment_create_args_t _a; |
| svm_fifo_segment_create_args_t *a = &_a; |
| int rv; |
| |
| memset (a, 0, sizeof (*a)); |
| a->segment_name = (char *) mp->segment_name; |
| a->segment_size = mp->segment_size; |
| /* Attach to the segment vpp created */ |
| rv = svm_fifo_segment_attach (a); |
| vec_reset_length (a->new_segment_indices); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed", |
| getpid (), mp->segment_name); |
| return; |
| } |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: mapped new segment '%s' size %d", getpid (), |
| mp->segment_name, mp->segment_size); |
| } |
| |
| static void |
| vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp) |
| { |
| uword *p; |
| |
| p = hash_get (vcm->session_index_by_vpp_handles, mp->handle); |
| if (p) |
| { |
| int rv; |
| session_t *session = 0; |
| u32 session_index = p[0]; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| session->state = STATE_CLOSE_ON_EMPTY; |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "setting state to 0x%x (%s)", |
| getpid (), mp->handle, session_index, session->state, |
| vppcom_session_state_str (session->state)); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| return; |
| |
| done: |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "session lookup failed!", |
| getpid (), mp->handle, session_index); |
| } |
| else |
| clib_warning ("VCL<%d>: vpp handle 0x%llx: session lookup by " |
| "handle failed!", getpid (), mp->handle); |
| } |
| |
| static void |
| vl_api_reset_session_t_handler (vl_api_reset_session_t * mp) |
| { |
| session_t *session = 0; |
| vl_api_reset_session_reply_t *rmp; |
| uword *p; |
| int rv = 0; |
| |
| p = hash_get (vcm->session_index_by_vpp_handles, mp->handle); |
| if (p) |
| { |
| int rval; |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| rval = vppcom_session_at_index (p[0], &session); |
| if (PREDICT_FALSE (rval)) |
| { |
| rv = VNET_API_ERROR_INVALID_VALUE_2; |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "session lookup failed! returning %d %U", |
| getpid (), mp->handle, p[0], |
| rv, format_api_error, rv); |
| } |
| else |
| { |
| /* TBD: should this disconnect immediately and |
| * flush the fifos? |
| */ |
| session->state = STATE_CLOSE_ON_EMPTY; |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "state set to %d (%s)!", getpid (), |
| mp->handle, p[0], session->state, |
| vppcom_session_state_str (session->state)); |
| } |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| else |
| { |
| rv = VNET_API_ERROR_INVALID_VALUE; |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx: session lookup " |
| "failed! returning %d %U", |
| getpid (), mp->handle, rv, format_api_error, rv); |
| } |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY); |
| rmp->retval = htonl (rv); |
| rmp->handle = mp->handle; |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp); |
| } |
| |
| static void |
| vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp) |
| { |
| session_t *session = 0; |
| u32 session_index; |
| svm_fifo_t *rx_fifo, *tx_fifo; |
| u8 is_cut_thru = 0; |
| int rv; |
| |
| session_index = mp->context; |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| done: |
| if (mp->retval) |
| { |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "connect failed! %U", |
| getpid (), mp->handle, session_index, |
| format_api_error, ntohl (mp->retval)); |
| if (rv == VPPCOM_OK) |
| { |
| session->state = STATE_FAILED; |
| session->vpp_handle = mp->handle; |
| } |
| else |
| { |
| clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: " |
| "Invalid session index (%u)!", |
| getpid (), mp->handle, session_index); |
| } |
| goto done_unlock; |
| } |
| |
| if (rv) |
| goto done_unlock; |
| |
| /* We've been redirected */ |
| if (mp->segment_name_length > 0) |
| { |
| static svm_fifo_segment_create_args_t _a; |
| svm_fifo_segment_create_args_t *a = &_a; |
| |
| is_cut_thru = 1; |
| memset (a, 0, sizeof (*a)); |
| a->segment_name = (char *) mp->segment_name; |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: cut-thru segment: %s\n", |
| getpid (), a->segment_name); |
| |
| rv = svm_fifo_segment_attach (a); |
| vec_reset_length (a->new_segment_indices); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: sm_fifo_segment_attach ('%s') failed", |
| getpid (), a->segment_name); |
| goto done_unlock; |
| } |
| } |
| |
| /* |
| * Setup session |
| */ |
| session->is_cut_thru = is_cut_thru; |
| session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address, |
| svm_queue_t *); |
| |
| rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); |
| rx_fifo->client_session_index = session_index; |
| tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); |
| tx_fifo->client_session_index = session_index; |
| |
| session->server_rx_fifo = rx_fifo; |
| session->server_tx_fifo = tx_fifo; |
| session->vpp_handle = mp->handle; |
| session->lcl_addr.is_ip4 = mp->is_ip4; |
| clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip, |
| sizeof (session->peer_addr.ip46)); |
| session->lcl_port = mp->lcl_port; |
| session->state = STATE_CONNECT; |
| |
| /* Add it to lookup table */ |
| hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index); |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded!" |
| " session_rx_fifo %p, refcnt %d," |
| " session_tx_fifo %p, refcnt %d", |
| getpid (), mp->handle, session_index, |
| session->server_rx_fifo, |
| session->server_rx_fifo->refcnt, |
| session->server_tx_fifo, session->server_tx_fifo->refcnt); |
| done_unlock: |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| |
| static void |
| vppcom_send_connect_sock (session_t * session, u32 session_index) |
| { |
| vl_api_connect_sock_t *cmp; |
| |
| /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */ |
| session->is_server = 0; |
| cmp = vl_msg_api_alloc (sizeof (*cmp)); |
| memset (cmp, 0, sizeof (*cmp)); |
| cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK); |
| cmp->client_index = vcm->my_client_index; |
| cmp->context = session_index; |
| |
| cmp->is_ip4 = session->peer_addr.is_ip4; |
| clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip)); |
| cmp->port = session->peer_port; |
| cmp->proto = session->proto; |
| clib_memcpy (cmp->options, session->options, sizeof (cmp->options)); |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp); |
| } |
| |
| static inline void |
| vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index, |
| int rv) |
| { |
| vl_api_disconnect_session_reply_t *rmp; |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "sending disconnect msg", |
| getpid (), vpp_handle, session_index); |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| memset (rmp, 0, sizeof (*rmp)); |
| |
| rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY); |
| rmp->retval = htonl (rv); |
| rmp->handle = vpp_handle; |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp); |
| } |
| |
| static inline void |
| vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index) |
| { |
| vl_api_disconnect_session_t *dmp; |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "sending disconnect msg", |
| getpid (), vpp_handle, session_index); |
| |
| dmp = vl_msg_api_alloc (sizeof (*dmp)); |
| memset (dmp, 0, sizeof (*dmp)); |
| dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION); |
| dmp->client_index = vcm->my_client_index; |
| dmp->handle = vpp_handle; |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp); |
| } |
| |
| static void |
| vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp) |
| { |
| session_t *session = 0; |
| u32 session_index = mp->context; |
| int rv; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| done: |
| if (mp->retval) |
| { |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, " |
| "sid %u: bind failed: %U", |
| getpid (), mp->handle, session_index, |
| format_api_error, ntohl (mp->retval)); |
| rv = vppcom_session_at_index (session_index, &session); |
| if (rv == VPPCOM_OK) |
| { |
| session->state = STATE_FAILED; |
| session->vpp_handle = mp->handle; |
| } |
| else |
| { |
| clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: " |
| "Invalid session index (%u)!", |
| getpid (), mp->handle, session_index); |
| } |
| goto done_unlock; |
| } |
| |
| session->vpp_handle = mp->handle; |
| session->lcl_addr.is_ip4 = mp->lcl_is_ip4; |
| clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip, |
| sizeof (session->peer_addr.ip46)); |
| session->lcl_port = mp->lcl_port; |
| vppcom_session_table_add_listener (mp->handle, session_index); |
| session->is_listen = 1; |
| session->state = STATE_LISTEN; |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!", |
| getpid (), mp->handle, mp->context); |
| done_unlock: |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| |
| static void |
| vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp) |
| { |
| if (mp->retval) |
| clib_warning ("VCL<%d>: ERROR: sid %u: unbind failed: %U", |
| getpid (), mp->context, format_api_error, |
| ntohl (mp->retval)); |
| |
| else if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: sid %u: unbind succeeded!", |
| getpid (), mp->context); |
| } |
| |
| u8 * |
| format_ip4_address (u8 * s, va_list * args) |
| { |
| u8 *a = va_arg (*args, u8 *); |
| return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); |
| } |
| |
| u8 * |
| format_ip6_address (u8 * s, va_list * args) |
| { |
| ip6_address_t *a = va_arg (*args, ip6_address_t *); |
| u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon; |
| |
| i_max_n_zero = ARRAY_LEN (a->as_u16); |
| max_n_zeros = 0; |
| i_first_zero = i_max_n_zero; |
| n_zeros = 0; |
| for (i = 0; i < ARRAY_LEN (a->as_u16); i++) |
| { |
| u32 is_zero = a->as_u16[i] == 0; |
| if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16)) |
| { |
| i_first_zero = i; |
| n_zeros = 0; |
| } |
| n_zeros += is_zero; |
| if ((!is_zero && n_zeros > max_n_zeros) |
| || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros)) |
| { |
| i_max_n_zero = i_first_zero; |
| max_n_zeros = n_zeros; |
| i_first_zero = ARRAY_LEN (a->as_u16); |
| n_zeros = 0; |
| } |
| } |
| |
| last_double_colon = 0; |
| for (i = 0; i < ARRAY_LEN (a->as_u16); i++) |
| { |
| if (i == i_max_n_zero && max_n_zeros > 1) |
| { |
| s = format (s, "::"); |
| i += max_n_zeros - 1; |
| last_double_colon = 1; |
| } |
| else |
| { |
| s = format (s, "%s%x", |
| (last_double_colon || i == 0) ? "" : ":", |
| clib_net_to_host_u16 (a->as_u16[i])); |
| last_double_colon = 0; |
| } |
| } |
| |
| return s; |
| } |
| |
| /* Format an IP46 address. */ |
| u8 * |
| format_ip46_address (u8 * s, va_list * args) |
| { |
| ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); |
| ip46_type_t type = va_arg (*args, ip46_type_t); |
| int is_ip4 = 1; |
| |
| switch (type) |
| { |
| case IP46_TYPE_ANY: |
| is_ip4 = ip46_address_is_ip4 (ip46); |
| break; |
| case IP46_TYPE_IP4: |
| is_ip4 = 1; |
| break; |
| case IP46_TYPE_IP6: |
| is_ip4 = 0; |
| break; |
| } |
| |
| return is_ip4 ? |
| format (s, "%U", format_ip4_address, &ip46->ip4) : |
| format (s, "%U", format_ip6_address, &ip46->ip6); |
| } |
| |
| static inline void |
| vppcom_send_accept_session_reply (u64 handle, u32 context, int retval) |
| { |
| vl_api_accept_session_reply_t *rmp; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY); |
| rmp->retval = htonl (retval); |
| rmp->context = context; |
| rmp->handle = handle; |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp); |
| } |
| |
| static void |
| vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) |
| { |
| svm_fifo_t *rx_fifo, *tx_fifo; |
| session_t *session, *listen_session; |
| u32 session_index; |
| |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| if (!clib_fifo_free_elts (vcm->client_session_index_fifo)) |
| { |
| clib_warning ("VCL<%d>: client session queue is full!", getpid ()); |
| vppcom_send_accept_session_reply (mp->handle, mp->context, |
| VNET_API_ERROR_QUEUE_FULL); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| return; |
| } |
| |
| listen_session = vppcom_session_table_lookup_listener (mp->listener_handle); |
| if (!listen_session) |
| { |
| clib_warning ("VCL<%d>: ERROR: couldn't find listen session: " |
| "unknown vpp listener handle %llx", |
| getpid (), mp->listener_handle); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| return; |
| } |
| |
| /* Allocate local session and set it up */ |
| pool_get (vcm->sessions, session); |
| memset (session, 0, sizeof (*session)); |
| session_index = session - vcm->sessions; |
| |
| rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); |
| rx_fifo->client_session_index = session_index; |
| tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); |
| tx_fifo->client_session_index = session_index; |
| |
| session->vpp_handle = mp->handle; |
| session->client_context = mp->context; |
| session->server_rx_fifo = rx_fifo; |
| session->server_tx_fifo = tx_fifo; |
| session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address, |
| svm_queue_t *); |
| session->state = STATE_ACCEPT; |
| session->is_cut_thru = 0; |
| session->is_server = 1; |
| session->peer_port = mp->port; |
| session->peer_addr.is_ip4 = mp->is_ip4; |
| clib_memcpy (&session->peer_addr.ip46, mp->ip, |
| sizeof (session->peer_addr.ip46)); |
| |
| /* Add it to lookup table */ |
| hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index); |
| session->lcl_port = listen_session->lcl_port; |
| session->lcl_addr = listen_session->lcl_addr; |
| |
| /* TBD: move client_session_index_fifo into listener session */ |
| clib_fifo_add1 (vcm->client_session_index_fifo, session_index); |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept " |
| "request from %s address %U port %d queue %p!", getpid (), |
| mp->handle, session_index, mp->is_ip4 ? "IPv4" : "IPv6", |
| format_ip46_address, &mp->ip, mp->is_ip4, |
| clib_net_to_host_u16 (mp->port), session->vpp_event_queue); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| session->elog_track.name = |
| (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index, |
| session_index, 0); |
| elog_track_register (&vcm->elog_main, &session->elog_track); |
| |
| if (session->peer_addr.is_ip4) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = |
| "client_accept:handle:%x addr:%d.%d.%d.%d:%d", |
| .format_args = "i8i1i1i1i1i2", |
| }; |
| |
| CLIB_PACKED (struct { |
| u64 handle; //8 |
| u8 addr[4]; //4 |
| u16 port; //2 |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->handle = mp->handle; |
| ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0]; |
| ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1]; |
| ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2]; |
| ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3]; |
| ed->port = clib_net_to_host_u16 (session->peer_port); |
| /* *INDENT-ON* */ |
| } |
| else |
| { |
| clib_warning ("ip6"); |
| } |
| } |
| |
| } |
| |
| static void |
| vppcom_send_connect_session_reply (session_t * session, u32 session_index, |
| u64 vpp_handle, u32 context, int retval) |
| { |
| vl_api_connect_session_reply_t *rmp; |
| u32 len; |
| svm_queue_t *client_q; |
| |
| rmp = vl_msg_api_alloc (sizeof (*rmp)); |
| memset (rmp, 0, sizeof (*rmp)); |
| rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY); |
| |
| if (!session) |
| { |
| rmp->context = context; |
| rmp->handle = vpp_handle; |
| rmp->retval = htonl (retval); |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp); |
| return; |
| } |
| |
| rmp->context = session->client_context; |
| rmp->retval = htonl (retval); |
| rmp->handle = session->vpp_handle; |
| rmp->server_rx_fifo = pointer_to_uword (session->server_rx_fifo); |
| rmp->server_tx_fifo = pointer_to_uword (session->server_tx_fifo); |
| rmp->vpp_event_queue_address = pointer_to_uword (session->vpp_event_queue); |
| rmp->segment_size = vcm->cfg.segment_size; |
| len = vec_len (session->segment_name); |
| rmp->segment_name_length = clib_min (len, sizeof (rmp->segment_name)); |
| clib_memcpy (rmp->segment_name, session->segment_name, |
| rmp->segment_name_length - 1); |
| clib_memcpy (rmp->lcl_ip, session->peer_addr.ip46.as_u8, |
| sizeof (rmp->lcl_ip)); |
| rmp->is_ip4 = session->peer_addr.is_ip4; |
| rmp->lcl_port = session->peer_port; |
| client_q = uword_to_pointer (session->client_queue_address, svm_queue_t *); |
| ASSERT (client_q); |
| vl_msg_api_send_shmem (client_q, (u8 *) & rmp); |
| } |
| |
| /* |
| * Acting as server for redirected connect requests |
| */ |
| static void |
| vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) |
| { |
| u32 session_index; |
| session_t *session = 0; |
| |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| if (!clib_fifo_free_elts (vcm->client_session_index_fifo)) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: client session queue is full!", getpid ()); |
| |
| /* TBD: Fix api to include vpp handle */ |
| vppcom_send_connect_session_reply (0 /* session */ , 0 /* sid */ , |
| 0 /* handle */ , mp->context, |
| VNET_API_ERROR_QUEUE_FULL); |
| return; |
| } |
| |
| pool_get (vcm->sessions, session); |
| memset (session, 0, sizeof (*session)); |
| session_index = session - vcm->sessions; |
| |
| session->client_context = mp->context; |
| session->vpp_handle = session_index; |
| session->client_queue_address = mp->client_queue_address; |
| session->is_cut_thru = 1; |
| session->is_server = 1; |
| session->lcl_port = mp->port; |
| session->lcl_addr.is_ip4 = mp->is_ip4; |
| clib_memcpy (&session->lcl_addr.ip46, mp->ip, |
| sizeof (session->lcl_addr.ip46)); |
| |
| /* TBD: missing peer info in api msg. |
| */ |
| session->peer_addr.is_ip4 = mp->is_ip4; |
| ASSERT (session->lcl_addr.is_ip4 == session->peer_addr.is_ip4); |
| |
| session->state = STATE_ACCEPT; |
| clib_fifo_add1 (vcm->client_session_index_fifo, session_index); |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: sid %u: Got a cut-thru connect request! " |
| "clib_fifo_elts %u!\n", getpid (), session_index, |
| clib_fifo_elts (vcm->client_session_index_fifo)); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| session->elog_track.name = |
| (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index, |
| session_index, 0); |
| elog_track_register (&vcm->elog_main, &session->elog_track); |
| |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "cut-thru-connect:S:%d clib_fifo_elts:%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct |
| { |
| u32 data[2]; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->data[0] = session_index; |
| ed->data[1] = clib_fifo_elts (vcm->client_session_index_fifo); |
| /* *INDENT-ON* */ |
| } |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| |
| static void |
| vppcom_send_bind_sock (session_t * session, u32 session_index) |
| { |
| vl_api_bind_sock_t *bmp; |
| |
| /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ |
| session->is_server = 1; |
| bmp = vl_msg_api_alloc (sizeof (*bmp)); |
| memset (bmp, 0, sizeof (*bmp)); |
| |
| bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK); |
| bmp->client_index = vcm->my_client_index; |
| bmp->context = session_index; |
| bmp->is_ip4 = session->lcl_addr.is_ip4; |
| clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip)); |
| bmp->port = session->lcl_port; |
| bmp->proto = session->proto; |
| clib_memcpy (bmp->options, session->options, sizeof (bmp->options)); |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp); |
| } |
| |
| static void |
| vppcom_send_unbind_sock (u64 vpp_handle) |
| { |
| vl_api_unbind_sock_t *ump; |
| |
| ump = vl_msg_api_alloc (sizeof (*ump)); |
| memset (ump, 0, sizeof (*ump)); |
| |
| ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK); |
| ump->client_index = vcm->my_client_index; |
| ump->handle = vpp_handle; |
| vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump); |
| } |
| |
| static int |
| vppcom_session_unbind (u32 session_index) |
| { |
| session_t *session = 0; |
| int rv; |
| u64 vpp_handle; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| vpp_handle = session->vpp_handle; |
| vppcom_session_table_del_listener (vpp_handle); |
| session->vpp_handle = ~0; |
| session->state = STATE_DISCONNECT; |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "sending unbind msg! new state 0x%x (%s)", |
| getpid (), vpp_handle, session_index, |
| session->state, vppcom_session_state_str (session->state)); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "unbind: handle:%x", |
| .format_args = "i8", |
| }; |
| |
| struct |
| { |
| u64 handle; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->handle = vpp_handle; |
| /* *INDENT-ON* */ |
| } |
| vppcom_send_unbind_sock (vpp_handle); |
| |
| done: |
| return rv; |
| } |
| |
| static inline int |
| vppcom_session_disconnect (u32 session_index) |
| { |
| int rv; |
| session_t *session; |
| u8 is_cut_thru, is_listen, is_server; |
| u64 vpp_handle; |
| session_state_t state; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| vpp_handle = session->vpp_handle; |
| is_server = session->is_server; |
| is_listen = session->is_listen; |
| is_cut_thru = session->is_cut_thru; |
| state = session->state; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (VPPCOM_DEBUG > 1) |
| { |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s " |
| "state 0x%x (%s), is_cut_thru %d, is_listen %d", |
| getpid (), vpp_handle, session_index, |
| is_server ? "server" : "client", |
| state, vppcom_session_state_str (state), |
| is_cut_thru, is_listen); |
| } |
| |
| if (PREDICT_FALSE (is_listen)) |
| { |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "Cannot disconnect a listen socket!", |
| getpid (), vpp_handle, session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| /* Through the VPP host stack... |
| */ |
| else if (!is_cut_thru) |
| { |
| /* The peer has already initiated the close, |
| * so send the disconnect session reply. |
| */ |
| if (state & STATE_CLOSE_ON_EMPTY) |
| { |
| vppcom_send_disconnect_session_reply (vpp_handle, |
| session_index, 0 /* rv */ ); |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "sending disconnect REPLY...", |
| getpid (), vpp_handle, session_index); |
| } |
| |
| /* Otherwise, send a disconnect session msg... |
| */ |
| else |
| { |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "sending disconnect...", |
| getpid (), vpp_handle, session_index); |
| |
| vppcom_send_disconnect_session (vpp_handle, session_index); |
| } |
| } |
| |
| /* Cut-thru connections... |
| * |
| * server: free fifos and segment allocated during connect/redirect |
| * client: no cleanup required |
| */ |
| else |
| { |
| if (is_server) |
| { |
| svm_fifo_segment_private_t *seg; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: sid %d: freeing cut-thru fifos in " |
| "sm_seg_index %d! " |
| " server_rx_fifo %p, refcnt = %d" |
| " server_tx_fifo %p, refcnt = %d", |
| getpid (), session_index, session->sm_seg_index, |
| session->server_rx_fifo, |
| session->server_rx_fifo->refcnt, |
| session->server_tx_fifo, |
| session->server_tx_fifo->refcnt); |
| |
| seg = svm_fifo_segment_get_segment (session->sm_seg_index); |
| svm_fifo_segment_free_fifo (seg, session->server_rx_fifo, |
| FIFO_SEGMENT_RX_FREELIST); |
| svm_fifo_segment_free_fifo (seg, session->server_tx_fifo, |
| FIFO_SEGMENT_TX_FREELIST); |
| svm_fifo_segment_delete (seg); |
| |
| /* TBD: Send cut-thru disconnect event to client */ |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| else |
| { |
| /* TBD: Send cut-thru disconnect event to server */ |
| } |
| } |
| |
| done: |
| return rv; |
| } |
| |
| #define foreach_sock_msg \ |
| _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \ |
| _(BIND_SOCK_REPLY, bind_sock_reply) \ |
| _(UNBIND_SOCK_REPLY, unbind_sock_reply) \ |
| _(ACCEPT_SESSION, accept_session) \ |
| _(CONNECT_SOCK, connect_sock) \ |
| _(CONNECT_SESSION_REPLY, connect_session_reply) \ |
| _(DISCONNECT_SESSION, disconnect_session) \ |
| _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ |
| _(RESET_SESSION, reset_session) \ |
| _(APPLICATION_ATTACH_REPLY, application_attach_reply) \ |
| _(APPLICATION_DETACH_REPLY, application_detach_reply) \ |
| _(MAP_ANOTHER_SEGMENT, map_another_segment) |
| |
| static void |
| vppcom_api_hookup (void) |
| { |
| #define _(N,n) \ |
| vl_msg_api_set_handlers(VL_API_##N, #n, \ |
| vl_api_##n##_t_handler, \ |
| vl_noop_handler, \ |
| vl_api_##n##_t_endian, \ |
| vl_api_##n##_t_print, \ |
| sizeof(vl_api_##n##_t), 1); |
| foreach_sock_msg; |
| #undef _ |
| } |
| |
| static void |
| vppcom_cfg_init (vppcom_cfg_t * vcl_cfg) |
| { |
| ASSERT (vcl_cfg); |
| |
| vcl_cfg->heapsize = (256ULL << 20); |
| vcl_cfg->vpp_api_q_length = 1024; |
| vcl_cfg->segment_baseva = 0x200000000ULL; |
| vcl_cfg->segment_size = (256 << 20); |
| vcl_cfg->add_segment_size = (128 << 20); |
| vcl_cfg->preallocated_fifo_pairs = 8; |
| vcl_cfg->rx_fifo_size = (1 << 20); |
| vcl_cfg->tx_fifo_size = (1 << 20); |
| vcl_cfg->event_queue_size = 2048; |
| vcl_cfg->listen_queue_size = CLIB_CACHE_LINE_BYTES / sizeof (u32); |
| vcl_cfg->app_timeout = 10 * 60.0; |
| vcl_cfg->session_timeout = 10 * 60.0; |
| vcl_cfg->accept_timeout = 60.0; |
| vcl_cfg->event_ring_size = (128 << 10); |
| vcl_cfg->event_log_path = "/dev/shm"; |
| } |
| |
| static void |
| vppcom_cfg_heapsize (char *conf_fname) |
| { |
| vppcom_cfg_t *vcl_cfg = &vcm->cfg; |
| FILE *fp; |
| char inbuf[4096]; |
| int argc = 1; |
| char **argv = NULL; |
| char *arg = NULL; |
| char *p; |
| int i; |
| u8 *sizep; |
| u32 size; |
| void *vcl_mem; |
| void *heap; |
| |
| fp = fopen (conf_fname, "r"); |
| if (fp == NULL) |
| { |
| if (VPPCOM_DEBUG > 0) |
| fprintf (stderr, "open configuration file '%s' failed\n", conf_fname); |
| goto defaulted; |
| } |
| argv = calloc (1, sizeof (char *)); |
| if (argv == NULL) |
| goto defaulted; |
| |
| while (1) |
| { |
| if (fgets (inbuf, 4096, fp) == 0) |
| break; |
| p = strtok (inbuf, " \t\n"); |
| while (p != NULL) |
| { |
| if (*p == '#') |
| break; |
| argc++; |
| char **tmp = realloc (argv, argc * sizeof (char *)); |
| if (tmp == NULL) |
| goto defaulted; |
| argv = tmp; |
| arg = strndup (p, 1024); |
| if (arg == NULL) |
| goto defaulted; |
| argv[argc - 1] = arg; |
| p = strtok (NULL, " \t\n"); |
| } |
| } |
| |
| fclose (fp); |
| fp = NULL; |
| |
| char **tmp = realloc (argv, (argc + 1) * sizeof (char *)); |
| if (tmp == NULL) |
| goto defaulted; |
| argv = tmp; |
| argv[argc] = NULL; |
| |
| /* |
| * Look for and parse the "heapsize" config parameter. |
| * Manual since none of the clib infra has been bootstrapped yet. |
| * |
| * Format: heapsize <nn>[mM][gG] |
| */ |
| |
| for (i = 1; i < (argc - 1); i++) |
| { |
| if (!strncmp (argv[i], "heapsize", 8)) |
| { |
| sizep = (u8 *) argv[i + 1]; |
| size = 0; |
| while (*sizep >= '0' && *sizep <= '9') |
| { |
| size *= 10; |
| size += *sizep++ - '0'; |
| } |
| if (size == 0) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: parse error '%s %s', " |
| "using default heapsize %lld (0x%llx)", |
| getpid (), argv[i], argv[i + 1], |
| vcl_cfg->heapsize, vcl_cfg->heapsize); |
| goto defaulted; |
| } |
| |
| if (*sizep == 'g' || *sizep == 'G') |
| vcl_cfg->heapsize = size << 30; |
| else if (*sizep == 'm' || *sizep == 'M') |
| vcl_cfg->heapsize = size << 20; |
| else |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: parse error '%s %s', " |
| "using default heapsize %lld (0x%llx)", |
| getpid (), argv[i], argv[i + 1], |
| vcl_cfg->heapsize, vcl_cfg->heapsize); |
| goto defaulted; |
| } |
| } |
| } |
| |
| defaulted: |
| if (fp != NULL) |
| fclose (fp); |
| if (argv != NULL) |
| free (argv); |
| |
| vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE, |
| MAP_SHARED | MAP_ANONYMOUS, -1, 0); |
| if (vcl_mem == MAP_FAILED) |
| { |
| clib_unix_error ("VCL<%d>: ERROR: mmap(0, %lld == 0x%llx, " |
| "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, " |
| "-1, 0) failed!", |
| getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize); |
| return; |
| } |
| heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize); |
| if (!heap) |
| { |
| clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ()); |
| return; |
| } |
| vcl_mem = clib_mem_alloc (sizeof (_vppcom_main)); |
| if (!vcl_mem) |
| { |
| clib_warning ("VCL<%d>: ERROR: clib_mem_alloc() failed!", getpid ()); |
| return; |
| } |
| |
| clib_memcpy (vcl_mem, &_vppcom_main, sizeof (_vppcom_main)); |
| vcm = vcl_mem; |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: allocated VCL heap = %p, size %lld (0x%llx)", |
| getpid (), heap, vcl_cfg->heapsize, vcl_cfg->heapsize); |
| } |
| |
| static void |
| vppcom_cfg_read (char *conf_fname) |
| { |
| vppcom_cfg_t *vcl_cfg = &vcm->cfg; |
| int fd; |
| unformat_input_t _input, *input = &_input; |
| unformat_input_t _line_input, *line_input = &_line_input; |
| u8 vc_cfg_input = 0; |
| u8 *chroot_path; |
| struct stat s; |
| u32 uid, gid, q_len; |
| |
| fd = open (conf_fname, O_RDONLY); |
| if (fd < 0) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: open configuration file '%s' failed!", |
| getpid (), conf_fname); |
| goto file_done; |
| } |
| |
| if (fstat (fd, &s) < 0) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: failed to stat `%s'", getpid (), conf_fname); |
| goto file_done; |
| } |
| |
| if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode))) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: not a regular file `%s'", |
| getpid (), conf_fname); |
| goto file_done; |
| } |
| |
| unformat_init_clib_file (input, fd); |
| |
| while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) |
| { |
| (void) unformat_user (input, unformat_line_input, line_input); |
| unformat_skip_white_space (line_input); |
| |
| if (unformat (line_input, "vcl {")) |
| { |
| vc_cfg_input = 1; |
| continue; |
| } |
| |
| if (vc_cfg_input) |
| { |
| if (unformat (line_input, "heapsize %s", &chroot_path)) |
| { |
| vec_terminate_c_string (chroot_path); |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured heapsize %s, " |
| "actual heapsize %lld (0x%llx)", |
| getpid (), chroot_path, vcl_cfg->heapsize, |
| vcl_cfg->heapsize); |
| vec_free (chroot_path); |
| } |
| else if (unformat (line_input, "api-prefix %s", &chroot_path)) |
| { |
| vec_terminate_c_string (chroot_path); |
| vl_set_memory_root_path ((char *) chroot_path); |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured api-prefix %s", |
| getpid (), chroot_path); |
| chroot_path = 0; /* Don't vec_free() it! */ |
| } |
| else if (unformat (line_input, "vpp-api-q-length %d", &q_len)) |
| { |
| if (q_len < vcl_cfg->vpp_api_q_length) |
| { |
| clib_warning ("VCL<%d>: ERROR: configured vpp-api-q-length " |
| "(%u) is too small! Using default: %u ", |
| getpid (), q_len, vcl_cfg->vpp_api_q_length); |
| } |
| else |
| { |
| vcl_cfg->vpp_api_q_length = q_len; |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured vpp-api-q-length %u", |
| getpid (), vcl_cfg->vpp_api_q_length); |
| } |
| } |
| else if (unformat (line_input, "uid %d", &uid)) |
| { |
| vl_set_memory_uid (uid); |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured uid %d", getpid (), uid); |
| } |
| else if (unformat (line_input, "gid %d", &gid)) |
| { |
| vl_set_memory_gid (gid); |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured gid %d", getpid (), gid); |
| } |
| else if (unformat (line_input, "segment-baseva 0x%lx", |
| &vcl_cfg->segment_baseva)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured segment_baseva 0x%lx", |
| getpid (), vcl_cfg->segment_baseva); |
| } |
| else if (unformat (line_input, "segment-size 0x%lx", |
| &vcl_cfg->segment_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured segment_size 0x%lx (%ld)", |
| getpid (), vcl_cfg->segment_size, |
| vcl_cfg->segment_size); |
| } |
| else if (unformat (line_input, "segment-size %ld", |
| &vcl_cfg->segment_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured segment_size %ld (0x%lx)", |
| getpid (), vcl_cfg->segment_size, |
| vcl_cfg->segment_size); |
| } |
| else if (unformat (line_input, "add-segment-size 0x%lx", |
| &vcl_cfg->add_segment_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning |
| ("VCL<%d>: configured add_segment_size 0x%lx (%ld)", |
| getpid (), vcl_cfg->add_segment_size, |
| vcl_cfg->add_segment_size); |
| } |
| else if (unformat (line_input, "add-segment-size %ld", |
| &vcl_cfg->add_segment_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning |
| ("VCL<%d>: configured add_segment_size %ld (0x%lx)", |
| getpid (), vcl_cfg->add_segment_size, |
| vcl_cfg->add_segment_size); |
| } |
| else if (unformat (line_input, "preallocated-fifo-pairs %d", |
| &vcl_cfg->preallocated_fifo_pairs)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured preallocated_fifo_pairs " |
| "%d (0x%x)", getpid (), |
| vcl_cfg->preallocated_fifo_pairs, |
| vcl_cfg->preallocated_fifo_pairs); |
| } |
| else if (unformat (line_input, "rx-fifo-size 0x%lx", |
| &vcl_cfg->rx_fifo_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured rx_fifo_size 0x%lx (%ld)", |
| getpid (), vcl_cfg->rx_fifo_size, |
| vcl_cfg->rx_fifo_size); |
| } |
| else if (unformat (line_input, "rx-fifo-size %ld", |
| &vcl_cfg->rx_fifo_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured rx_fifo_size %ld (0x%lx)", |
| getpid (), vcl_cfg->rx_fifo_size, |
| vcl_cfg->rx_fifo_size); |
| } |
| else if (unformat (line_input, "tx-fifo-size 0x%lx", |
| &vcl_cfg->tx_fifo_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured tx_fifo_size 0x%lx (%ld)", |
| getpid (), vcl_cfg->tx_fifo_size, |
| vcl_cfg->tx_fifo_size); |
| } |
| else if (unformat (line_input, "tx-fifo-size %ld", |
| &vcl_cfg->tx_fifo_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured tx_fifo_size %ld (0x%lx)", |
| getpid (), vcl_cfg->tx_fifo_size, |
| vcl_cfg->tx_fifo_size); |
| } |
| else if (unformat (line_input, "event-queue-size 0x%lx", |
| &vcl_cfg->event_queue_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured event_queue_size " |
| "0x%lx (%ld)", |
| getpid (), vcl_cfg->event_queue_size, |
| vcl_cfg->event_queue_size); |
| } |
| else if (unformat (line_input, "event-queue-size %ld", |
| &vcl_cfg->event_queue_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured event_queue_size " |
| "%ld (0x%lx)", |
| getpid (), vcl_cfg->event_queue_size, |
| vcl_cfg->event_queue_size); |
| } |
| else if (unformat (line_input, "listen-queue-size 0x%lx", |
| &vcl_cfg->listen_queue_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured listen_queue_size " |
| "0x%lx (%ld)", |
| getpid (), vcl_cfg->listen_queue_size, |
| vcl_cfg->listen_queue_size); |
| } |
| else if (unformat (line_input, "listen-queue-size %ld", |
| &vcl_cfg->listen_queue_size)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured listen_queue_size " |
| "%ld (0x%lx)", |
| getpid (), vcl_cfg->listen_queue_size, |
| vcl_cfg->listen_queue_size); |
| } |
| else if (unformat (line_input, "app-timeout %f", |
| &vcl_cfg->app_timeout)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured app_timeout %f", |
| getpid (), vcl_cfg->app_timeout); |
| } |
| else if (unformat (line_input, "session-timeout %f", |
| &vcl_cfg->session_timeout)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured session_timeout %f", |
| getpid (), vcl_cfg->session_timeout); |
| } |
| else if (unformat (line_input, "accept-timeout %f", |
| &vcl_cfg->accept_timeout)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured accept_timeout %f", |
| getpid (), vcl_cfg->accept_timeout); |
| } |
| else if (unformat (line_input, "app-proxy-transport-tcp")) |
| { |
| vcl_cfg->app_proxy_transport_tcp = 1; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured " |
| "app_proxy_transport_tcp (%d)", |
| getpid (), vcl_cfg->app_proxy_transport_tcp); |
| } |
| else if (unformat (line_input, "app-proxy-transport-udp")) |
| { |
| vcl_cfg->app_proxy_transport_udp = 1; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured " |
| "app_proxy_transport_udp (%d)", |
| getpid (), vcl_cfg->app_proxy_transport_udp); |
| } |
| else if (unformat (line_input, "app-scope-local")) |
| { |
| vcl_cfg->app_scope_local = 1; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured app_scope_local (%d)", |
| getpid (), vcl_cfg->app_scope_local); |
| } |
| else if (unformat (line_input, "app-scope-global")) |
| { |
| vcl_cfg->app_scope_global = 1; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured app_scope_global (%d)", |
| getpid (), vcl_cfg->app_scope_global); |
| } |
| else if (unformat (line_input, "namespace-secret %lu", |
| &vcl_cfg->namespace_secret)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning |
| ("VCL<%d>: configured namespace_secret %lu (0x%lx)", |
| getpid (), vcl_cfg->namespace_secret, |
| vcl_cfg->namespace_secret); |
| } |
| else if (unformat (line_input, "namespace-id %v", |
| &vcl_cfg->namespace_id)) |
| { |
| vl_api_application_attach_t *mp; |
| u32 max_nsid_vec_len = sizeof (mp->namespace_id) - 1; |
| u32 nsid_vec_len = vec_len (vcl_cfg->namespace_id); |
| if (nsid_vec_len > max_nsid_vec_len) |
| { |
| _vec_len (vcl_cfg->namespace_id) = max_nsid_vec_len; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured namespace_id is " |
| "too long, truncated to %d characters!", |
| getpid (), max_nsid_vec_len); |
| } |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured namespace_id %v", |
| getpid (), vcl_cfg->namespace_id); |
| } |
| else if (unformat (line_input, "}")) |
| { |
| vc_cfg_input = 0; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: completed parsing vppcom config!", |
| getpid ()); |
| goto input_done; |
| } |
| else |
| { |
| if (line_input->buffer[line_input->index] != '#') |
| { |
| clib_warning ("VCL<%d>: Unknown vppcom config option: '%s'", |
| getpid (), (char *) |
| &line_input->buffer[line_input->index]); |
| } |
| } |
| } |
| } |
| |
| input_done: |
| unformat_free (input); |
| |
| file_done: |
| if (fd >= 0) |
| close (fd); |
| } |
| |
| /* |
| * VPPCOM Public API functions |
| */ |
| int |
| vppcom_app_create (char *app_name) |
| { |
| vppcom_cfg_t *vcl_cfg = &vcm->cfg; |
| u8 *heap; |
| mheap_t *h; |
| int rv; |
| |
| if (!vcm->init) |
| { |
| char *conf_fname; |
| char *env_var_str; |
| |
| vcm->init = 1; |
| vppcom_cfg_init (vcl_cfg); |
| env_var_str = getenv (VPPCOM_ENV_DEBUG); |
| if (env_var_str) |
| { |
| u32 tmp; |
| if (sscanf (env_var_str, "%u", &tmp) != 1) |
| clib_warning ("VCL<%d>: Invalid debug level specified in " |
| "the environment variable " |
| VPPCOM_ENV_DEBUG |
| " (%s)!\n", getpid (), env_var_str); |
| else |
| { |
| vcm->debug = tmp; |
| clib_warning ("VCL<%d>: configured VCL debug level (%u) from " |
| VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug); |
| } |
| } |
| conf_fname = getenv (VPPCOM_ENV_CONF); |
| if (!conf_fname) |
| { |
| conf_fname = VPPCOM_CONF_DEFAULT; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: getenv '%s' failed!", getpid (), |
| VPPCOM_ENV_CONF); |
| } |
| vppcom_cfg_heapsize (conf_fname); |
| clib_fifo_validate (vcm->client_session_index_fifo, |
| vcm->cfg.listen_queue_size); |
| vppcom_cfg_read (conf_fname); |
| env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID); |
| if (env_var_str) |
| { |
| u32 ns_id_vec_len = strlen (env_var_str); |
| |
| vec_reset_length (vcm->cfg.namespace_id); |
| vec_validate (vcm->cfg.namespace_id, ns_id_vec_len - 1); |
| clib_memcpy (vcm->cfg.namespace_id, env_var_str, ns_id_vec_len); |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured namespace_id (%v) from " |
| VPPCOM_ENV_APP_NAMESPACE_ID "!", getpid (), |
| vcm->cfg.namespace_id); |
| } |
| env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET); |
| if (env_var_str) |
| { |
| u64 tmp; |
| if (sscanf (env_var_str, "%lu", &tmp) != 1) |
| clib_warning ("VCL<%d>: Invalid namespace secret specified in " |
| "the environment variable " |
| VPPCOM_ENV_APP_NAMESPACE_SECRET |
| " (%s)!\n", getpid (), env_var_str); |
| else |
| { |
| vcm->cfg.namespace_secret = tmp; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured namespace secret " |
| "(%lu) from " VPPCOM_ENV_APP_NAMESPACE_ID "!", |
| getpid (), vcm->cfg.namespace_secret); |
| } |
| } |
| if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP)) |
| { |
| vcm->cfg.app_proxy_transport_tcp = 1; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured app_proxy_transport_tcp " |
| "(%u) from " VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP |
| "!", getpid (), vcm->cfg.app_proxy_transport_tcp); |
| } |
| if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP)) |
| { |
| vcm->cfg.app_proxy_transport_udp = 1; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured app_proxy_transport_udp " |
| "(%u) from " VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP |
| "!", getpid (), vcm->cfg.app_proxy_transport_udp); |
| } |
| if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL)) |
| { |
| vcm->cfg.app_scope_local = 1; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured app_scope_local (%u) from " |
| VPPCOM_ENV_APP_SCOPE_LOCAL "!", getpid (), |
| vcm->cfg.app_scope_local); |
| } |
| if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL)) |
| { |
| vcm->cfg.app_scope_global = 1; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: configured app_scope_global (%u) from " |
| VPPCOM_ENV_APP_SCOPE_GLOBAL "!", getpid (), |
| vcm->cfg.app_scope_global); |
| } |
| |
| vcm->main_cpu = os_get_thread_index (); |
| heap = clib_mem_get_per_cpu_heap (); |
| h = mheap_header (heap); |
| |
| /* make the main heap thread-safe */ |
| h->flags |= MHEAP_FLAG_THREAD_SAFE; |
| |
| vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword)); |
| |
| clib_time_init (&vcm->clib_time); |
| vppcom_init_error_string_table (); |
| svm_fifo_segment_main_init (vcl_cfg->segment_baseva, |
| 20 /* timeout in secs */ ); |
| clib_spinlock_init (&vcm->sessions_lockp); |
| } |
| |
| if (vcm->my_client_index == ~0) |
| { |
| vppcom_api_hookup (); |
| vcm->app_state = STATE_APP_START; |
| rv = vppcom_connect_to_vpp (app_name); |
| if (rv) |
| { |
| clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!", |
| getpid ()); |
| return rv; |
| } |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: sending session enable", getpid ()); |
| |
| rv = vppcom_app_session_enable (); |
| if (rv) |
| { |
| clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() " |
| "failed!", getpid ()); |
| return rv; |
| } |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: sending app attach", getpid ()); |
| |
| rv = vppcom_app_attach (); |
| if (rv) |
| { |
| clib_warning ("VCL<%d>: ERROR: vppcom_app_attach() failed!", |
| getpid ()); |
| return rv; |
| } |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: app_name '%s', my_client_index %d (0x%x)", |
| getpid (), app_name, vcm->my_client_index, |
| vcm->my_client_index); |
| } |
| |
| return VPPCOM_OK; |
| } |
| |
| void |
| vppcom_app_destroy (void) |
| { |
| int rv; |
| |
| if (vcm->my_client_index == ~0) |
| return; |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: detaching from VPP, my_client_index %d (0x%x)", |
| getpid (), vcm->my_client_index, vcm->my_client_index); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "app_detach:C:%d", |
| .format_args = "i4", |
| }; |
| |
| struct |
| { |
| u32 data; |
| } *ed; |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track); |
| ed->data = vcm->my_client_index; |
| /* *INDENT-ON* */ |
| } |
| |
| vppcom_app_detach (); |
| rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED); |
| if (PREDICT_FALSE (rv)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: application detach timed out! " |
| "returning %d (%s)", |
| getpid (), rv, vppcom_retval_str (rv)); |
| } |
| |
| /* Finished with logging before client gets reset to ~0 */ |
| if (VPPCOM_DEBUG > 0) |
| write_elog (); |
| |
| vl_client_disconnect_from_vlib (); |
| vcm->my_client_index = ~0; |
| vcm->app_state = STATE_APP_START; |
| } |
| |
| int |
| vppcom_session_create (u8 proto, u8 is_nonblocking) |
| { |
| session_t *session; |
| u32 session_index; |
| |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| pool_get (vcm->sessions, session); |
| memset (session, 0, sizeof (*session)); |
| session_index = session - vcm->sessions; |
| |
| session->proto = proto; |
| session->state = STATE_START; |
| session->is_nonblocking = is_nonblocking ? 1 : 0; |
| session->vpp_handle = ~0; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: sid %u", getpid (), session_index); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| session->elog_track.name = |
| (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index, |
| session_index, 0); |
| elog_track_register (&vcm->elog_main, &session->elog_track); |
| |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "session_create:proto:%d state:%d is_nonblocking:%d", |
| .format_args = "i4i4i4", |
| }; |
| |
| struct |
| { |
| u32 data[3]; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = session->proto; |
| ed->data[1] = session->state; |
| ed->data[2] = session->is_nonblocking; |
| /* *INDENT-ON* */ |
| } |
| |
| return (int) session_index; |
| } |
| |
| int |
| vppcom_session_close (uint32_t session_index) |
| { |
| session_t *session = 0; |
| int rv; |
| u8 is_listen; |
| u8 is_vep; |
| u8 is_vep_session; |
| u32 next_sid; |
| u32 vep_idx; |
| u64 vpp_handle; |
| uword *p; |
| session_state_t state; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| is_listen = session->is_listen; |
| is_vep = session->is_vep; |
| is_vep_session = session->is_vep_session; |
| next_sid = session->vep.next_sid; |
| vep_idx = session->vep.vep_idx; |
| state = session->state; |
| vpp_handle = session->vpp_handle; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| if (is_vep) |
| clib_warning ("VCL<%d>: vep_idx %u / sid %u: " |
| "closing epoll session...", |
| getpid (), session_index, session_index); |
| else |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %d: " |
| "closing session...", |
| getpid (), vpp_handle, session_index); |
| } |
| |
| if (is_vep) |
| { |
| while (next_sid != ~0) |
| { |
| rv = vppcom_epoll_ctl (session_index, EPOLL_CTL_DEL, next_sid, 0); |
| if ((VPPCOM_DEBUG > 0) && PREDICT_FALSE (rv < 0)) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)", |
| getpid (), vpp_handle, next_sid, vep_idx, |
| rv, vppcom_retval_str (rv)); |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| next_sid = session->vep.next_sid; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| } |
| else |
| { |
| if (is_vep_session) |
| { |
| rv = vppcom_epoll_ctl (vep_idx, EPOLL_CTL_DEL, session_index, 0); |
| if ((VPPCOM_DEBUG > 0) && (rv < 0)) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)", |
| getpid (), vpp_handle, session_index, |
| vep_idx, rv, vppcom_retval_str (rv)); |
| } |
| |
| if (is_listen) |
| { |
| if (state == STATE_LISTEN) |
| { |
| rv = vppcom_session_unbind (session_index); |
| if (PREDICT_FALSE (rv < 0)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "listener unbind failed! rv %d (%s)", |
| getpid (), vpp_handle, session_index, |
| rv, vppcom_retval_str (rv)); |
| } |
| } |
| } |
| |
| else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN)) |
| { |
| rv = vppcom_session_disconnect (session_index); |
| if (PREDICT_FALSE (rv < 0)) |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "session disconnect failed! rv %d (%s)", |
| getpid (), vpp_handle, session_index, |
| rv, vppcom_retval_str (rv)); |
| } |
| } |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| vpp_handle = session->vpp_handle; |
| if (vpp_handle != ~0) |
| { |
| p = hash_get (vcm->session_index_by_vpp_handles, vpp_handle); |
| if (p) |
| hash_unset (vcm->session_index_by_vpp_handles, vpp_handle); |
| } |
| pool_put_index (vcm->sessions, session_index); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| if (is_vep) |
| clib_warning ("VCL<%d>: vep_idx %u / sid %u: epoll session removed.", |
| getpid (), session_index, session_index); |
| else |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session removed.", |
| getpid (), vpp_handle, session_index); |
| } |
| done: |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "session_close:rv:%d", |
| .format_args = "i4", |
| }; |
| |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data = rv; |
| /* *INDENT-ON* */ |
| } |
| |
| return rv; |
| } |
| |
| int |
| vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep) |
| { |
| session_t *session = 0; |
| int rv; |
| |
| if (!ep || !ep->ip) |
| return VPPCOM_EINVAL; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| if (session->is_vep) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| clib_warning ("VCL<%d>: ERROR: sid %u: cannot " |
| "bind to an epoll session!", getpid (), session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| session->lcl_addr.is_ip4 = ep->is_ip4; |
| session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip); |
| session->lcl_port = ep->port; |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: sid %u: binding to local %s address %U " |
| "port %u, proto %s", getpid (), session_index, |
| session->lcl_addr.is_ip4 ? "IPv4" : "IPv6", |
| format_ip46_address, &session->lcl_addr.ip46, |
| session->lcl_addr.is_ip4, |
| clib_net_to_host_u16 (session->lcl_port), |
| session->proto ? "UDP" : "TCP"); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| if (session->lcl_addr.is_ip4) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "bind local:%s:%d.%d.%d.%d:%d ", |
| .format_args = "t1i1i1i1i1i2", |
| .n_enum_strings = 2, |
| .enum_strings = {"TCP", "UDP",}, |
| }; |
| |
| CLIB_PACKED (struct { |
| u8 proto; |
| u8 addr[4]; |
| u16 port; |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->proto = session->proto; |
| ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0]; |
| ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1]; |
| ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2]; |
| ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3]; |
| ed->port = clib_net_to_host_u16 (session->lcl_port); |
| /* *INDENT-ON* */ |
| } |
| } |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| done: |
| return rv; |
| } |
| |
| int |
| vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len) |
| { |
| session_t *listen_session = 0; |
| u64 listen_vpp_handle; |
| int rv, retval; |
| |
| VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session); |
| |
| if (listen_session->is_vep) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an " |
| "epoll session!", getpid (), listen_session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| listen_vpp_handle = listen_session->vpp_handle; |
| if (listen_session->is_listen) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "already in listen state!", |
| getpid (), listen_vpp_handle, listen_session_index); |
| rv = VPPCOM_OK; |
| goto done; |
| } |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, " |
| "sid %u: sending bind request...", |
| getpid (), listen_vpp_handle, listen_session_index); |
| |
| vppcom_send_bind_sock (listen_session, listen_session_index); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| retval = |
| vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN, |
| vcm->cfg.session_timeout); |
| |
| VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session); |
| if (PREDICT_FALSE (retval)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind failed! " |
| "returning %d (%s)", getpid (), |
| listen_session->vpp_handle, listen_session_index, |
| retval, vppcom_retval_str (retval)); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| rv = retval; |
| goto done; |
| } |
| |
| clib_fifo_validate (vcm->client_session_index_fifo, q_len); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| done: |
| return rv; |
| } |
| |
| int |
| vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, |
| uint32_t flags) |
| { |
| session_t *listen_session = 0; |
| session_t *client_session = 0; |
| u32 client_session_index = ~0, n_fifos; |
| int rv; |
| f64 wait_for; |
| char *cut_thru_str; |
| u64 listen_vpp_handle; |
| |
| VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session); |
| |
| if (listen_session->is_vep) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an " |
| "epoll session!", getpid (), listen_session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| listen_vpp_handle = listen_session->vpp_handle; |
| if (listen_session->state != STATE_LISTEN) |
| { |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "not in listen state! state 0x%x (%s)", getpid (), |
| listen_vpp_handle, listen_session_index, |
| listen_session->state, |
| vppcom_session_state_str (listen_session->state)); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| wait_for = (listen_session->is_nonblocking) ? 0 : vcm->cfg.accept_timeout; |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| while (1) |
| { |
| rv = vppcom_wait_for_client_session_index (wait_for); |
| if (rv) |
| { |
| if ((VPPCOM_DEBUG > 0)) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "accept failed! returning %d (%s)", getpid (), |
| listen_vpp_handle, listen_session_index, |
| rv, vppcom_retval_str (rv)); |
| if (wait_for == 0) |
| goto done; |
| } |
| else |
| break; |
| } |
| |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| clib_fifo_sub1 (vcm->client_session_index_fifo, client_session_index); |
| rv = vppcom_session_at_index (client_session_index, &client_session); |
| if (PREDICT_FALSE (rv)) |
| { |
| rv = VPPCOM_ECONNABORTED; |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u " |
| "lookup failed! returning %d (%s)", getpid (), |
| listen_vpp_handle, listen_session_index, |
| client_session_index, rv, vppcom_retval_str (rv)); |
| goto done; |
| } |
| |
| client_session->is_nonblocking = (flags & O_NONBLOCK) ? 1 : 0; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! " |
| "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u", |
| getpid (), listen_vpp_handle, listen_session_index, |
| client_session->vpp_handle, client_session_index, |
| flags, client_session->is_nonblocking); |
| |
| if (ep) |
| { |
| ep->is_cut_thru = client_session->is_cut_thru; |
| ep->is_ip4 = client_session->peer_addr.is_ip4; |
| ep->port = client_session->peer_port; |
| if (client_session->peer_addr.is_ip4) |
| clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4, |
| sizeof (ip4_address_t)); |
| else |
| clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6, |
| sizeof (ip6_address_t)); |
| } |
| |
| if (client_session->is_server && client_session->is_cut_thru) |
| { |
| static svm_fifo_segment_create_args_t _a; |
| svm_fifo_segment_create_args_t *a = &_a; |
| svm_fifo_segment_private_t *seg; |
| |
| cut_thru_str = " cut-thru "; |
| |
| /* Create the segment */ |
| memset (a, 0, sizeof (*a)); |
| a->segment_name = (char *) |
| format ((u8 *) a->segment_name, "%d:segment%d%c", |
| getpid (), vcm->unique_segment_index++, 0); |
| a->segment_size = vcm->cfg.segment_size; |
| |
| rv = svm_fifo_segment_create (a); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "client sid %u svm_fifo_segment_create ('%s') " |
| "failed! rv %d", getpid (), listen_vpp_handle, |
| listen_session_index, client_session_index, |
| a->segment_name, rv); |
| vec_reset_length (a->new_segment_indices); |
| rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; |
| vppcom_send_connect_session_reply (client_session, |
| client_session_index, |
| client_session->vpp_handle, |
| client_session->client_context, |
| rv); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| rv = VPPCOM_ENOMEM; |
| goto done; |
| } |
| |
| client_session->segment_name = vec_dup ((u8 *) a->segment_name); |
| client_session->sm_seg_index = a->new_segment_indices[0]; |
| vec_free (a->new_segment_indices); |
| |
| seg = svm_fifo_segment_get_segment (client_session->sm_seg_index); |
| if (vcm->cfg.preallocated_fifo_pairs) |
| { |
| n_fifos = vcm->cfg.preallocated_fifo_pairs; |
| svm_fifo_segment_preallocate_fifo_pairs (seg, vcm->cfg.rx_fifo_size, |
| vcm->cfg.tx_fifo_size, |
| &n_fifos); |
| } |
| |
| client_session->server_rx_fifo = |
| svm_fifo_segment_alloc_fifo (seg, vcm->cfg.rx_fifo_size, |
| FIFO_SEGMENT_RX_FREELIST); |
| if (PREDICT_FALSE (!client_session->server_rx_fifo)) |
| { |
| svm_fifo_segment_delete (seg); |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "client sid %u rx fifo alloc failed! " |
| "size %ld (0x%lx)", getpid (), listen_vpp_handle, |
| listen_session_index, client_session_index, |
| vcm->cfg.rx_fifo_size, vcm->cfg.rx_fifo_size); |
| rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; |
| vppcom_send_connect_session_reply (client_session, |
| client_session_index, |
| client_session->vpp_handle, |
| client_session->client_context, |
| rv); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| rv = VPPCOM_ENOMEM; |
| goto done; |
| } |
| client_session->server_rx_fifo->master_session_index = |
| client_session_index; |
| |
| client_session->server_tx_fifo = |
| svm_fifo_segment_alloc_fifo (seg, vcm->cfg.tx_fifo_size, |
| FIFO_SEGMENT_TX_FREELIST); |
| if (PREDICT_FALSE (!client_session->server_tx_fifo)) |
| { |
| svm_fifo_segment_delete (seg); |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "client sid %u tx fifo alloc failed! " |
| "size %ld (0x%lx)", getpid (), listen_vpp_handle, |
| listen_session_index, client_session_index, |
| vcm->cfg.tx_fifo_size, vcm->cfg.tx_fifo_size); |
| rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; |
| vppcom_send_connect_session_reply (client_session, |
| client_session_index, |
| client_session->vpp_handle, |
| client_session->client_context, |
| rv); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| rv = VPPCOM_ENOMEM; |
| goto done; |
| } |
| client_session->server_tx_fifo->master_session_index = |
| client_session_index; |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u " |
| "created segment '%s', rx_fifo %p, tx_fifo %p", |
| getpid (), listen_vpp_handle, listen_session_index, |
| client_session_index, client_session->segment_name, |
| client_session->server_rx_fifo, |
| client_session->server_tx_fifo); |
| |
| #ifdef CUT_THRU_EVENT_QUEUE /* TBD */ |
| { |
| void *oldheap; |
| ssvm_shared_header_t *sh = seg->ssvm.sh; |
| |
| ssvm_lock_non_recursive (sh, 1); |
| oldheap = ssvm_push_heap (sh); |
| event_q = client_session->vpp_event_queue = |
| svm_queue_init (vcm->cfg.event_queue_size, |
| sizeof (session_fifo_event_t), |
| getpid (), 0 /* signal not sent */ ); |
| ssvm_pop_heap (oldheap); |
| ssvm_unlock_non_recursive (sh); |
| } |
| #endif |
| vppcom_send_connect_session_reply (client_session, |
| client_session_index, |
| client_session->vpp_handle, |
| client_session->client_context, |
| 0 /* retval OK */ ); |
| } |
| else |
| { |
| cut_thru_str = " "; |
| vppcom_send_accept_session_reply (client_session->vpp_handle, |
| client_session->client_context, |
| 0 /* retval OK */ ); |
| } |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle " |
| "0x%llx, sid %u%sconnection to local %s address " |
| "%U port %u", getpid (), listen_vpp_handle, |
| listen_session_index, client_session->vpp_handle, |
| client_session_index, cut_thru_str, |
| client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6", |
| format_ip46_address, &client_session->lcl_addr.ip46, |
| client_session->lcl_addr.is_ip4, |
| clib_net_to_host_u16 (client_session->lcl_port)); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| client_session->elog_track.name = |
| (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index, |
| client_session_index, 0); |
| elog_track_register (&vcm->elog_main, &client_session->elog_track); |
| |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "accept cut-thru: listen_handle:%x from_handle:%x", |
| .format_args = "i8i8", |
| }; |
| |
| struct |
| { |
| u64 handle[2]; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track); |
| ed->handle[0] = listen_vpp_handle; |
| ed->handle[1] = client_session->vpp_handle; |
| /* *INDENT-ON* */ |
| |
| if (client_session->lcl_addr.is_ip4) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e2) = |
| { |
| .format = "accept cut-thru: S:%d %d.%d.%d.%d:%d ", |
| .format_args = "i4i1i1i1i1i2", |
| }; |
| |
| CLIB_PACKED (struct { |
| u32 session; |
| u8 addr[4]; |
| u16 port; |
| }) * ed2; |
| |
| ed2 = |
| ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track); |
| ed2->session = client_session_index; |
| ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0]; |
| ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1]; |
| ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2]; |
| ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3]; |
| ed2->port = clib_net_to_host_u16 (client_session->lcl_port); |
| /* *INDENT-ON* */ |
| } |
| } |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| rv = (int) client_session_index; |
| done: |
| return rv; |
| } |
| |
| int |
| vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep) |
| { |
| session_t *session = 0; |
| int rv, retval = VPPCOM_OK; |
| u64 vpp_handle = ~0; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| if (PREDICT_FALSE (session->is_vep)) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| clib_warning ("VCL<%d>: ERROR: sid %u: cannot " |
| "connect on an epoll session!", getpid (), session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| vpp_handle = session->vpp_handle; |
| if (PREDICT_FALSE (session->is_server)) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: is in use " |
| "as a server session!", getpid (), vpp_handle, |
| session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already " |
| "connected to %s %U port %d proto %s, state 0x%x (%s)", |
| getpid (), vpp_handle, session_index, |
| session->peer_addr.is_ip4 ? "IPv4" : "IPv6", |
| format_ip46_address, |
| &session->peer_addr.ip46, session->peer_addr.is_ip4, |
| clib_net_to_host_u16 (session->peer_port), |
| session->proto ? "UDP" : "TCP", session->state, |
| vppcom_session_state_str (session->state)); |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| goto done; |
| } |
| |
| session->peer_addr.is_ip4 = server_ep->is_ip4; |
| session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip); |
| session->peer_port = server_ep->port; |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server " |
| "%s %U port %d proto %s", |
| getpid (), vpp_handle, session_index, |
| session->peer_addr.is_ip4 ? "IPv4" : "IPv6", |
| format_ip46_address, |
| &session->peer_addr.ip46, session->peer_addr.is_ip4, |
| clib_net_to_host_u16 (session->peer_port), |
| session->proto ? "UDP" : "TCP"); |
| |
| vppcom_send_connect_sock (session, session_index); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| retval = |
| vppcom_wait_for_session_state_change (session_index, STATE_CONNECT, |
| vcm->cfg.session_timeout); |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| vpp_handle = session->vpp_handle; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| done: |
| if (PREDICT_FALSE (retval)) |
| { |
| rv = retval; |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! " |
| "returning %d (%s)", getpid (), vpp_handle, |
| session_index, rv, vppcom_retval_str (rv)); |
| } |
| else if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!", |
| getpid (), vpp_handle, session_index); |
| |
| return rv; |
| } |
| |
| static inline int |
| vppcom_session_read_internal (uint32_t session_index, void *buf, int n, |
| u8 peek) |
| { |
| session_t *session = 0; |
| svm_fifo_t *rx_fifo; |
| int n_read = 0; |
| int rv; |
| char *fifo_str; |
| u32 poll_et; |
| session_state_t state; |
| u8 is_server; |
| u8 is_nonblocking; |
| u64 vpp_handle; |
| |
| ASSERT (buf); |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| if (PREDICT_FALSE (session->is_vep)) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| clib_warning ("VCL<%d>: ERROR: sid %u: cannot " |
| "read from an epoll session!", getpid (), session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| vpp_handle = session->vpp_handle; |
| is_server = session->is_server; |
| is_nonblocking = session->is_nonblocking; |
| state = session->state; |
| if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| rv = ((state == STATE_DISCONNECT) ? |
| VPPCOM_ECONNRESET : VPPCOM_ENOTCONN); |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is " |
| "not open! state 0x%x (%s), returning %d (%s)", |
| getpid (), vpp_handle, session_index, |
| is_server ? "server" : "client", state, |
| vppcom_session_state_str (state), |
| rv, vppcom_retval_str (rv)); |
| goto done; |
| } |
| |
| rx_fifo = ((!session->is_cut_thru || is_server) ? |
| session->server_rx_fifo : session->server_tx_fifo); |
| fifo_str = ((!session->is_cut_thru || is_server) ? |
| "server_rx_fifo" : "server_tx_fifo"); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| do |
| { |
| if (peek) |
| n_read = svm_fifo_peek (rx_fifo, 0, n, buf); |
| else |
| n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf); |
| } |
| while (!is_nonblocking && (n_read <= 0)); |
| |
| if (n_read <= 0) |
| { |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) == |
| (EPOLLET | EPOLLIN)); |
| if (poll_et) |
| session->vep.et_mask |= EPOLLIN; |
| |
| if (state == STATE_CLOSE_ON_EMPTY) |
| { |
| session_state_t new_state = STATE_DISCONNECT; |
| rv = VPPCOM_ECONNRESET; |
| |
| if (VPPCOM_DEBUG > 1) |
| { |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo " |
| "with %s session state 0x%x (%s)!" |
| " Setting state to 0x%x (%s), returning %d (%s)", |
| getpid (), vpp_handle, session_index, |
| is_server ? "server" : "client", |
| state, vppcom_session_state_str (state), |
| new_state, vppcom_session_state_str (new_state), |
| rv, vppcom_retval_str (rv)); |
| } |
| |
| session->state = new_state; |
| } |
| else |
| rv = VPPCOM_EAGAIN; |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| else |
| rv = n_read; |
| |
| if (VPPCOM_DEBUG > 2) |
| { |
| if (rv > 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes " |
| "from %s (%p)", getpid (), vpp_handle, |
| session_index, n_read, fifo_str, rx_fifo); |
| else |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! " |
| "returning %d (%s)", getpid (), vpp_handle, |
| session_index, rv, vppcom_retval_str (rv)); |
| } |
| done: |
| return rv; |
| } |
| |
| int |
| vppcom_session_read (uint32_t session_index, void *buf, size_t n) |
| { |
| return (vppcom_session_read_internal (session_index, buf, n, 0)); |
| } |
| |
| static int |
| vppcom_session_peek (uint32_t session_index, void *buf, int n) |
| { |
| return (vppcom_session_read_internal (session_index, buf, n, 1)); |
| } |
| |
| static inline int |
| vppcom_session_read_ready (session_t * session, u32 session_index) |
| { |
| svm_fifo_t *rx_fifo = 0; |
| int ready = 0; |
| u32 poll_et; |
| int rv; |
| u8 is_server = session->is_server; |
| session_state_t state = session->state; |
| u64 vpp_handle = session->vpp_handle; |
| |
| /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ |
| if (PREDICT_FALSE (session->is_vep)) |
| { |
| clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an " |
| "epoll session!", getpid (), session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| if (session->is_listen) |
| ready = clib_fifo_elts (vcm->client_session_index_fifo); |
| else |
| { |
| if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN))) |
| { |
| rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET : |
| VPPCOM_ENOTCONN); |
| |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is " |
| "not open! state 0x%x (%s), returning %d (%s)", |
| getpid (), vpp_handle, session_index, |
| is_server ? "server" : "client", |
| state, vppcom_session_state_str (state), |
| rv, vppcom_retval_str (rv)); |
| goto done; |
| } |
| |
| rx_fifo = ((!session->is_cut_thru || is_server) ? |
| session->server_rx_fifo : session->server_tx_fifo); |
| |
| ready = svm_fifo_max_dequeue (rx_fifo); |
| } |
| |
| if (ready == 0) |
| { |
| poll_et = |
| ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN); |
| if (poll_et) |
| session->vep.et_mask |= EPOLLIN; |
| |
| if (state == STATE_CLOSE_ON_EMPTY) |
| { |
| rv = VPPCOM_ECONNRESET; |
| session_state_t new_state = STATE_DISCONNECT; |
| |
| if (VPPCOM_DEBUG > 1) |
| { |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, " |
| "sid %u: Empty fifo with" |
| " %s session state 0x%x (%s)! Setting state to " |
| "0x%x (%s), returning %d (%s)", |
| getpid (), session_index, vpp_handle, |
| is_server ? "server" : "client", |
| state, vppcom_session_state_str (state), |
| new_state, vppcom_session_state_str (new_state), |
| rv, vppcom_retval_str (rv)); |
| } |
| session->state = new_state; |
| goto done; |
| } |
| } |
| rv = ready; |
| |
| if (vcm->app_event_queue->cursize && |
| !pthread_mutex_trylock (&vcm->app_event_queue->mutex)) |
| { |
| u32 i, n_to_dequeue = vcm->app_event_queue->cursize; |
| session_fifo_event_t e; |
| |
| for (i = 0; i < n_to_dequeue; i++) |
| svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e); |
| |
| pthread_mutex_unlock (&vcm->app_event_queue->mutex); |
| } |
| done: |
| return rv; |
| } |
| |
| int |
| vppcom_session_write (uint32_t session_index, void *buf, size_t n) |
| { |
| session_t *session = 0; |
| svm_fifo_t *tx_fifo; |
| svm_queue_t *q; |
| session_fifo_event_t evt; |
| int rv, n_write; |
| char *fifo_str; |
| u32 poll_et; |
| u8 is_server; |
| u8 is_nonblocking; |
| session_state_t state; |
| u64 vpp_handle; |
| |
| ASSERT (buf); |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| if (PREDICT_FALSE (session->is_vep)) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "cannot write to an epoll session!", |
| getpid (), session->vpp_handle, session_index); |
| |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| is_server = session->is_server; |
| is_nonblocking = session->is_nonblocking; |
| vpp_handle = session->vpp_handle; |
| state = session->state; |
| if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) |
| { |
| rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET : |
| VPPCOM_ENOTCONN); |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "%s session is not open! state 0x%x (%s)", |
| getpid (), vpp_handle, session_index, |
| is_server ? "server" : "client", state, |
| vppcom_session_state_str (state)); |
| goto done; |
| } |
| |
| tx_fifo = ((!session->is_cut_thru || is_server) ? |
| session->server_tx_fifo : session->server_rx_fifo); |
| fifo_str = ((!session->is_cut_thru || is_server) ? |
| "server_tx_fifo" : "server_rx_fifo"); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| do |
| { |
| n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf); |
| } |
| while (!is_nonblocking && (n_write <= 0)); |
| |
| /* If event wasn't set, add one */ |
| if (!session->is_cut_thru && (n_write > 0) && svm_fifo_set_event (tx_fifo)) |
| { |
| /* Fabricate TX event, send to vpp */ |
| evt.fifo = tx_fifo; |
| evt.event_type = FIFO_EVENT_APP_TX; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| q = session->vpp_event_queue; |
| ASSERT (q); |
| svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ ); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "added FIFO_EVENT_APP_TX to " |
| "vpp_event_q %p, n_write %d", getpid (), |
| vpp_handle, session_index, q, n_write); |
| } |
| |
| if (n_write <= 0) |
| { |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| |
| poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) == |
| (EPOLLET | EPOLLOUT)); |
| if (poll_et) |
| session->vep.et_mask |= EPOLLOUT; |
| |
| if (state == STATE_CLOSE_ON_EMPTY) |
| { |
| session_state_t new_state = STATE_DISCONNECT; |
| rv = VPPCOM_ECONNRESET; |
| |
| if (VPPCOM_DEBUG > 1) |
| { |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "Empty fifo with %s session state 0x%x (%s)!" |
| " Setting state to 0x%x (%s), returning %d (%s)", |
| getpid (), vpp_handle, session_index, |
| is_server ? "server" : "client", |
| state, vppcom_session_state_str (state), |
| new_state, vppcom_session_state_str (new_state), |
| rv, vppcom_retval_str (rv)); |
| } |
| |
| session->state = new_state; |
| } |
| else |
| rv = VPPCOM_EAGAIN; |
| |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| else |
| rv = n_write; |
| |
| if (VPPCOM_DEBUG > 2) |
| { |
| if (n_write <= 0) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "FIFO-FULL %s (%p)", getpid (), vpp_handle, |
| session_index, fifo_str, tx_fifo); |
| else |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "wrote %d bytes to %s (%p)", getpid (), vpp_handle, |
| session_index, n_write, fifo_str, tx_fifo); |
| } |
| done: |
| return rv; |
| } |
| |
| static inline int |
| vppcom_session_write_ready (session_t * session, u32 session_index) |
| { |
| svm_fifo_t *tx_fifo; |
| char *fifo_str; |
| int ready; |
| u32 poll_et; |
| int rv; |
| u8 is_server = session->is_server; |
| session_state_t state = session->state; |
| |
| /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ |
| if (PREDICT_FALSE (session->is_vep)) |
| { |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "cannot write to an epoll session!", |
| getpid (), session->vpp_handle, session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| if (PREDICT_FALSE (session->is_listen)) |
| { |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "cannot write to a listen session!", |
| getpid (), session->vpp_handle, session_index); |
| rv = VPPCOM_EBADFD; |
| goto done; |
| } |
| |
| if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) |
| { |
| session_state_t state = session->state; |
| |
| rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET : |
| VPPCOM_ENOTCONN); |
| |
| clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " |
| "%s session is not open! state 0x%x (%s), " |
| "returning %d (%s)", getpid (), session->vpp_handle, |
| session_index, is_server ? "server" : "client", |
| state, vppcom_session_state_str (state), |
| rv, vppcom_retval_str (rv)); |
| goto done; |
| } |
| |
| tx_fifo = ((!session->is_cut_thru || session->is_server) ? |
| session->server_tx_fifo : session->server_rx_fifo); |
| fifo_str = ((!session->is_cut_thru || session->is_server) ? |
| "server_tx_fifo" : "server_rx_fifo"); |
| |
| ready = svm_fifo_max_enqueue (tx_fifo); |
| |
| if (VPPCOM_DEBUG > 3) |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "peek %s (%p), ready = %d", getpid (), |
| session->vpp_handle, session_index, |
| fifo_str, tx_fifo, ready); |
| |
| if (ready == 0) |
| { |
| poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) == |
| (EPOLLET | EPOLLOUT)); |
| if (poll_et) |
| session->vep.et_mask |= EPOLLOUT; |
| |
| if (state == STATE_CLOSE_ON_EMPTY) |
| { |
| rv = VPPCOM_ECONNRESET; |
| session_state_t new_state = STATE_DISCONNECT; |
| |
| if (VPPCOM_DEBUG > 1) |
| { |
| clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " |
| "Empty fifo with %s session " |
| "state 0x%x (%s)! Setting state to 0x%x (%s), " |
| "returning %d (%s)", getpid (), |
| session->vpp_handle, session_index, |
| is_server ? "server" : "client", |
| state, vppcom_session_state_str (state), |
| new_state, vppcom_session_state_str (new_state), |
| rv, vppcom_retval_str (rv)); |
| } |
| session->state = new_state; |
| goto done; |
| } |
| } |
| rv = ready; |
| done: |
| return rv; |
| } |
| |
| int |
| vppcom_select (unsigned long n_bits, unsigned long *read_map, |
| unsigned long *write_map, unsigned long *except_map, |
| double time_to_wait) |
| { |
| u32 session_index; |
| session_t *session = 0; |
| int rv, bits_set = 0; |
| f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait; |
| u32 minbits = clib_max (n_bits, BITS (uword)); |
| |
| ASSERT (sizeof (clib_bitmap_t) == sizeof (long int)); |
| |
| if (n_bits && read_map) |
| { |
| clib_bitmap_validate (vcm->rd_bitmap, minbits); |
| clib_memcpy (vcm->rd_bitmap, read_map, |
| vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t)); |
| memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t)); |
| } |
| if (n_bits && write_map) |
| { |
| clib_bitmap_validate (vcm->wr_bitmap, minbits); |
| clib_memcpy (vcm->wr_bitmap, write_map, |
| vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t)); |
| memset (write_map, 0, |
| vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t)); |
| } |
| if (n_bits && except_map) |
| { |
| clib_bitmap_validate (vcm->ex_bitmap, minbits); |
| clib_memcpy (vcm->ex_bitmap, except_map, |
| vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t)); |
| memset (except_map, 0, |
| vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t)); |
| } |
| |
| do |
| { |
| /* *INDENT-OFF* */ |
| if (n_bits) |
| { |
| if (read_map) |
| { |
| clib_bitmap_foreach (session_index, vcm->rd_bitmap, |
| ({ |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| rv = vppcom_session_at_index (session_index, &session); |
| if (rv < 0) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: session %d specified in " |
| "read_map is closed.", getpid (), |
| session_index); |
| bits_set = VPPCOM_EBADFD; |
| goto select_done; |
| } |
| |
| rv = vppcom_session_read_ready (session, session_index); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (except_map && vcm->ex_bitmap && |
| clib_bitmap_get (vcm->ex_bitmap, session_index) && |
| (rv < 0)) |
| { |
| clib_bitmap_set_no_check (except_map, session_index, 1); |
| bits_set++; |
| } |
| else if (rv > 0) |
| { |
| clib_bitmap_set_no_check (read_map, session_index, 1); |
| bits_set++; |
| } |
| })); |
| } |
| |
| if (write_map) |
| { |
| clib_bitmap_foreach (session_index, vcm->wr_bitmap, |
| ({ |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| rv = vppcom_session_at_index (session_index, &session); |
| if (rv < 0) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: session %d specified in " |
| "write_map is closed.", getpid (), |
| session_index); |
| bits_set = VPPCOM_EBADFD; |
| goto select_done; |
| } |
| |
| rv = vppcom_session_write_ready (session, session_index); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (write_map && (rv > 0)) |
| { |
| clib_bitmap_set_no_check (write_map, session_index, 1); |
| bits_set++; |
| } |
| })); |
| } |
| |
| if (except_map) |
| { |
| clib_bitmap_foreach (session_index, vcm->ex_bitmap, |
| ({ |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| rv = vppcom_session_at_index (session_index, &session); |
| if (rv < 0) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: session %d specified in " |
| "except_map is closed.", getpid (), |
| session_index); |
| bits_set = VPPCOM_EBADFD; |
| goto select_done; |
| } |
| |
| rv = vppcom_session_read_ready (session, session_index); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (rv < 0) |
| { |
| clib_bitmap_set_no_check (except_map, session_index, 1); |
| bits_set++; |
| } |
| })); |
| } |
| } |
| /* *INDENT-ON* */ |
| } |
| while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout)); |
| |
| select_done: |
| return (bits_set); |
| } |
| |
| static inline void |
| vep_verify_epoll_chain (u32 vep_idx) |
| { |
| session_t *session; |
| vppcom_epoll_t *vep; |
| int rv; |
| u32 sid = vep_idx; |
| |
| if (VPPCOM_DEBUG <= 1) |
| return; |
| |
| /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ |
| rv = vppcom_session_at_index (vep_idx, &session); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", |
| getpid (), vep_idx); |
| goto done; |
| } |
| if (PREDICT_FALSE (!session->is_vep)) |
| { |
| clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!", |
| getpid (), vep_idx); |
| goto done; |
| } |
| vep = &session->vep; |
| clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n" |
| "{\n" |
| " is_vep = %u\n" |
| " is_vep_session = %u\n" |
| " next_sid = 0x%x (%u)\n" |
| " wait_cont_idx = 0x%x (%u)\n" |
| "}\n", getpid (), vep_idx, |
| session->is_vep, session->is_vep_session, |
| vep->next_sid, vep->next_sid, |
| session->wait_cont_idx, session->wait_cont_idx); |
| |
| for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid) |
| { |
| rv = vppcom_session_at_index (sid, &session); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid); |
| goto done; |
| } |
| if (PREDICT_FALSE (session->is_vep)) |
| clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!", |
| getpid (), vep_idx); |
| else if (PREDICT_FALSE (!session->is_vep_session)) |
| { |
| clib_warning ("VCL<%d>: ERROR: session (%u) " |
| "is not a vep session!", getpid (), sid); |
| goto done; |
| } |
| vep = &session->vep; |
| if (PREDICT_FALSE (vep->vep_idx != vep_idx)) |
| clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != " |
| "vep_idx (%u)!", getpid (), |
| sid, session->vep.vep_idx, vep_idx); |
| if (session->is_vep_session) |
| { |
| clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n" |
| "{\n" |
| " next_sid = 0x%x (%u)\n" |
| " prev_sid = 0x%x (%u)\n" |
| " vep_idx = 0x%x (%u)\n" |
| " ev.events = 0x%x\n" |
| " ev.data.u64 = 0x%llx\n" |
| " et_mask = 0x%x\n" |
| "}\n", |
| vep_idx, sid, sid, |
| vep->next_sid, vep->next_sid, |
| vep->prev_sid, vep->prev_sid, |
| vep->vep_idx, vep->vep_idx, |
| vep->ev.events, vep->ev.data.u64, vep->et_mask); |
| } |
| } |
| |
| done: |
| clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n", |
| getpid (), vep_idx); |
| } |
| |
| int |
| vppcom_epoll_create (void) |
| { |
| session_t *vep_session; |
| u32 vep_idx; |
| |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| pool_get (vcm->sessions, vep_session); |
| memset (vep_session, 0, sizeof (*vep_session)); |
| vep_idx = vep_session - vcm->sessions; |
| |
| vep_session->is_vep = 1; |
| vep_session->vep.vep_idx = ~0; |
| vep_session->vep.next_sid = ~0; |
| vep_session->vep.prev_sid = ~0; |
| vep_session->wait_cont_idx = ~0; |
| vep_session->vpp_handle = ~0; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!", |
| getpid (), vep_idx, vep_idx); |
| |
| if (VPPCOM_DEBUG > 0) |
| { |
| vep_session->elog_track.name = |
| (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index, |
| vep_idx, 0); |
| elog_track_register (&vcm->elog_main, &vep_session->elog_track); |
| |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "created epoll session:%d", |
| .format_args = "i4", |
| }; |
| |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track); |
| ed->data = vep_idx; |
| /* *INDENT-ON* */ |
| } |
| |
| return (vep_idx); |
| } |
| |
| int |
| vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index, |
| struct epoll_event *event) |
| { |
| session_t *vep_session; |
| session_t *session; |
| int rv; |
| |
| if (vep_idx == session_index) |
| { |
| clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!", |
| getpid (), vep_idx); |
| return VPPCOM_EINVAL; |
| } |
| |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| rv = vppcom_session_at_index (vep_idx, &vep_session); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx); |
| goto done; |
| } |
| if (PREDICT_FALSE (!vep_session->is_vep)) |
| { |
| clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!", |
| getpid (), vep_idx); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| |
| ASSERT (vep_session->vep.vep_idx == ~0); |
| ASSERT (vep_session->vep.prev_sid == ~0); |
| |
| rv = vppcom_session_at_index (session_index, &session); |
| if (PREDICT_FALSE (rv)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!", |
| getpid (), session_index); |
| goto done; |
| } |
| if (PREDICT_FALSE (session->is_vep)) |
| { |
| clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| |
| switch (op) |
| { |
| case EPOLL_CTL_ADD: |
| if (PREDICT_FALSE (!event)) |
| { |
| clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to " |
| "epoll_event structure!", getpid ()); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| if (vep_session->vep.next_sid != ~0) |
| { |
| session_t *next_session; |
| rv = vppcom_session_at_index (vep_session->vep.next_sid, |
| &next_session); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid " |
| "vep.next_sid (%u) on vep_idx (%u)!", |
| getpid (), vep_session->vep.next_sid, vep_idx); |
| goto done; |
| } |
| ASSERT (next_session->vep.prev_sid == vep_idx); |
| next_session->vep.prev_sid = session_index; |
| } |
| session->vep.next_sid = vep_session->vep.next_sid; |
| session->vep.prev_sid = vep_idx; |
| session->vep.vep_idx = vep_idx; |
| session->vep.et_mask = VEP_DEFAULT_ET_MASK; |
| session->vep.ev = *event; |
| session->is_vep = 0; |
| session->is_vep_session = 1; |
| vep_session->vep.next_sid = session_index; |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, " |
| "sid %u, events 0x%x, data 0x%llx!", |
| getpid (), vep_idx, session_index, |
| event->events, event->data.u64); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "epoll_ctladd: events:%x data:%x", |
| .format_args = "i4i4i8", |
| }; |
| struct |
| { |
| u32 events; |
| u64 event_data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->events = event->events; |
| ed->event_data = event->data.u64; |
| /* *INDENT-ON* */ |
| } |
| break; |
| |
| case EPOLL_CTL_MOD: |
| if (PREDICT_FALSE (!event)) |
| { |
| clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to " |
| "epoll_event structure!", getpid ()); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| else if (PREDICT_FALSE (!session->is_vep_session)) |
| { |
| clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: " |
| "not a vep session!", getpid (), session_index); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx)) |
| { |
| clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: " |
| "vep_idx (%u) != vep_idx (%u)!", |
| getpid (), session_index, |
| session->vep.vep_idx, vep_idx); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| session->vep.et_mask = VEP_DEFAULT_ET_MASK; |
| session->vep.ev = *event; |
| if (VPPCOM_DEBUG > 1) |
| clib_warning |
| ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x," |
| " data 0x%llx!", getpid (), vep_idx, session_index, event->events, |
| event->data.u64); |
| break; |
| |
| case EPOLL_CTL_DEL: |
| if (PREDICT_FALSE (!session->is_vep_session)) |
| { |
| clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: " |
| "not a vep session!", getpid (), session_index); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx)) |
| { |
| clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: " |
| "vep_idx (%u) != vep_idx (%u)!", |
| getpid (), session_index, |
| session->vep.vep_idx, vep_idx); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| |
| vep_session->wait_cont_idx = |
| (vep_session->wait_cont_idx == session_index) ? |
| session->vep.next_sid : vep_session->wait_cont_idx; |
| |
| if (session->vep.prev_sid == vep_idx) |
| vep_session->vep.next_sid = session->vep.next_sid; |
| else |
| { |
| session_t *prev_session; |
| rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid " |
| "vep.prev_sid (%u) on sid (%u)!", |
| getpid (), session->vep.prev_sid, session_index); |
| goto done; |
| } |
| ASSERT (prev_session->vep.next_sid == session_index); |
| prev_session->vep.next_sid = session->vep.next_sid; |
| } |
| if (session->vep.next_sid != ~0) |
| { |
| session_t *next_session; |
| rv = vppcom_session_at_index (session->vep.next_sid, &next_session); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid " |
| "vep.next_sid (%u) on sid (%u)!", |
| getpid (), session->vep.next_sid, session_index); |
| goto done; |
| } |
| ASSERT (next_session->vep.prev_sid == session_index); |
| next_session->vep.prev_sid = session->vep.prev_sid; |
| } |
| |
| memset (&session->vep, 0, sizeof (session->vep)); |
| session->vep.next_sid = ~0; |
| session->vep.prev_sid = ~0; |
| session->vep.vep_idx = ~0; |
| session->is_vep_session = 0; |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!", |
| getpid (), vep_idx, session_index); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "epoll_ctldel: vep:%d", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->data = vep_idx; |
| /* *INDENT-ON* */ |
| } |
| break; |
| |
| default: |
| clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op); |
| rv = VPPCOM_EINVAL; |
| } |
| |
| vep_verify_epoll_chain (vep_idx); |
| |
| done: |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| return rv; |
| } |
| |
| int |
| vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, |
| int maxevents, double wait_for_time) |
| { |
| session_t *vep_session; |
| int rv; |
| f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time; |
| u32 keep_trying = 1; |
| int num_ev = 0; |
| u32 vep_next_sid, wait_cont_idx; |
| u8 is_vep; |
| |
| if (PREDICT_FALSE (maxevents <= 0)) |
| { |
| clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!", |
| getpid (), maxevents); |
| return VPPCOM_EINVAL; |
| } |
| memset (events, 0, sizeof (*events) * maxevents); |
| |
| VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session); |
| vep_next_sid = vep_session->vep.next_sid; |
| is_vep = vep_session->is_vep; |
| wait_cont_idx = vep_session->wait_cont_idx; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (PREDICT_FALSE (!is_vep)) |
| { |
| clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!", |
| getpid (), vep_idx); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| if (PREDICT_FALSE (vep_next_sid == ~0)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!", |
| getpid (), vep_idx); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "WRN: vep_idx:%d empty", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track); |
| |
| ed->data = vep_idx; |
| /* *INDENT-ON* */ |
| } |
| goto done; |
| } |
| |
| do |
| { |
| u32 sid; |
| u32 next_sid = ~0; |
| session_t *session; |
| |
| for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx; |
| sid != ~0; sid = next_sid) |
| { |
| u32 session_events, et_mask, clear_et_mask, session_vep_idx; |
| u8 add_event, is_vep_session; |
| int ready; |
| u64 session_ev_data; |
| |
| VCL_LOCK_AND_GET_SESSION (sid, &session); |
| next_sid = session->vep.next_sid; |
| session_events = session->vep.ev.events; |
| et_mask = session->vep.et_mask; |
| is_vep = session->is_vep; |
| is_vep_session = session->is_vep_session; |
| session_vep_idx = session->vep.vep_idx; |
| session_ev_data = session->vep.ev.data.u64; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (PREDICT_FALSE (is_vep)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!", |
| getpid (), vep_idx); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "ERR:vep_idx:%d is vep", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->data = vep_idx; |
| /* *INDENT-ON* */ |
| } |
| |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| if (PREDICT_FALSE (!is_vep_session)) |
| { |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: ERROR: session (%u) is not " |
| "a vep session!", getpid (), sid); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "ERR:SID:%d not vep", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->data = sid; |
| /* *INDENT-ON* */ |
| } |
| |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| if (PREDICT_FALSE (session_vep_idx != vep_idx)) |
| { |
| clib_warning ("VCL<%d>: ERROR: session (%u) " |
| "vep_idx (%u) != vep_idx (%u)!", |
| getpid (), sid, session->vep.vep_idx, vep_idx); |
| rv = VPPCOM_EINVAL; |
| goto done; |
| } |
| |
| add_event = clear_et_mask = 0; |
| |
| if (EPOLLIN & session_events) |
| { |
| VCL_LOCK_AND_GET_SESSION (sid, &session); |
| ready = vppcom_session_read_ready (session, sid); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if ((ready > 0) && (EPOLLIN & et_mask)) |
| { |
| add_event = 1; |
| events[num_ev].events |= EPOLLIN; |
| if (((EPOLLET | EPOLLIN) & session_events) == |
| (EPOLLET | EPOLLIN)) |
| clear_et_mask |= EPOLLIN; |
| } |
| else if (ready < 0) |
| { |
| add_event = 1; |
| switch (ready) |
| { |
| case VPPCOM_ECONNRESET: |
| events[num_ev].events |= EPOLLHUP | EPOLLRDHUP; |
| break; |
| |
| default: |
| events[num_ev].events |= EPOLLERR; |
| break; |
| } |
| } |
| } |
| |
| if (EPOLLOUT & session_events) |
| { |
| VCL_LOCK_AND_GET_SESSION (sid, &session); |
| ready = vppcom_session_write_ready (session, sid); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if ((ready > 0) && (EPOLLOUT & et_mask)) |
| { |
| add_event = 1; |
| events[num_ev].events |= EPOLLOUT; |
| if (((EPOLLET | EPOLLOUT) & session_events) == |
| (EPOLLET | EPOLLOUT)) |
| clear_et_mask |= EPOLLOUT; |
| } |
| else if (ready < 0) |
| { |
| add_event = 1; |
| switch (ready) |
| { |
| case VPPCOM_ECONNRESET: |
| events[num_ev].events |= EPOLLHUP; |
| break; |
| |
| default: |
| events[num_ev].events |= EPOLLERR; |
| break; |
| } |
| } |
| } |
| |
| if (add_event) |
| { |
| events[num_ev].data.u64 = session_ev_data; |
| if (EPOLLONESHOT & session_events) |
| { |
| VCL_LOCK_AND_GET_SESSION (sid, &session); |
| session->vep.ev.events = 0; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| num_ev++; |
| if (num_ev == maxevents) |
| { |
| VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session); |
| vep_session->wait_cont_idx = next_sid; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| goto done; |
| } |
| } |
| if (wait_cont_idx != ~0) |
| { |
| if (next_sid == ~0) |
| next_sid = vep_next_sid; |
| else if (next_sid == wait_cont_idx) |
| next_sid = ~0; |
| } |
| } |
| if (wait_for_time != -1) |
| keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0; |
| } |
| while ((num_ev == 0) && keep_trying); |
| |
| if (wait_cont_idx != ~0) |
| { |
| VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session); |
| vep_session->wait_cont_idx = ~0; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| done: |
| return (rv != VPPCOM_OK) ? rv : num_ev; |
| } |
| |
| int |
| vppcom_session_attr (uint32_t session_index, uint32_t op, |
| void *buffer, uint32_t * buflen) |
| { |
| session_t *session; |
| int rv = VPPCOM_OK; |
| u32 *flags = buffer; |
| vppcom_endpt_t *ep = buffer; |
| |
| VCL_LOCK_AND_GET_SESSION (session_index, &session); |
| switch (op) |
| { |
| case VPPCOM_ATTR_GET_NREAD: |
| rv = vppcom_session_read_ready (session, session_index); |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d", |
| getpid (), rv); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_NREAD: nread=%d", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->data = rv; |
| /* *INDENT-ON* */ |
| } |
| |
| break; |
| |
| case VPPCOM_ATTR_GET_NWRITE: |
| rv = vppcom_session_write_ready (session, session_index); |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d", |
| getpid (), session_index, rv); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d", |
| .format_args = "i4", |
| }; |
| struct |
| { |
| u32 data; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->data = rv; |
| /* *INDENT-ON* */ |
| } |
| break; |
| |
| case VPPCOM_ATTR_GET_FLAGS: |
| if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags)))) |
| { |
| *flags = O_RDWR | ((session->is_nonblocking) ? O_NONBLOCK : 0); |
| *buflen = sizeof (*flags); |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, " |
| "flags = 0x%08x, is_nonblocking = %u", getpid (), |
| session_index, *flags, session->is_nonblocking); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d", |
| .format_args = "i4i4", |
| }; |
| struct |
| { |
| u32 flags; |
| u32 is_nonblk; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->flags = *flags; |
| ed->is_nonblk = session->is_nonblocking; |
| /* *INDENT-ON* */ |
| } |
| |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_FLAGS: |
| if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags)))) |
| { |
| session->is_nonblocking = (*flags & O_NONBLOCK) ? 1 : 0; |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, " |
| "flags = 0x%08x, is_nonblocking = %u", |
| getpid (), session_index, *flags, |
| session->is_nonblocking); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d", |
| .format_args = "i4i4", |
| }; |
| struct |
| { |
| u32 flags; |
| u32 is_nonblk; |
| } *ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->flags = *flags; |
| ed->is_nonblk = session->is_nonblocking; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_PEER_ADDR: |
| if (PREDICT_TRUE (buffer && buflen && |
| (*buflen >= sizeof (*ep)) && ep->ip)) |
| { |
| ep->is_ip4 = session->peer_addr.is_ip4; |
| ep->port = session->peer_port; |
| if (session->peer_addr.is_ip4) |
| clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4, |
| sizeof (ip4_address_t)); |
| else |
| clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6, |
| sizeof (ip6_address_t)); |
| *buflen = sizeof (*ep); |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, " |
| "is_ip4 = %u, addr = %U, port %u", getpid (), |
| session_index, ep->is_ip4, format_ip46_address, |
| &session->peer_addr.ip46, ep->is_ip4, |
| clib_net_to_host_u16 (ep->port)); |
| if (VPPCOM_DEBUG > 0) |
| { |
| if (ep->is_ip4) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d", |
| .format_args = "i1i1i1i1i2", |
| }; |
| CLIB_PACKED (struct { |
| u8 addr[4]; //4 |
| u16 port; //2 |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0]; |
| ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1]; |
| ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2]; |
| ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3]; |
| ed->port = clib_net_to_host_u16 (session->peer_port); |
| /* *INDENT-ON* */ |
| } |
| else |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d", |
| .format_args = "i2", |
| }; |
| CLIB_PACKED (struct { |
| u16 port; //2 |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->port = clib_net_to_host_u16 (session->peer_port); |
| /* *INDENT-ON* */ |
| } |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_LCL_ADDR: |
| if (PREDICT_TRUE (buffer && buflen && |
| (*buflen >= sizeof (*ep)) && ep->ip)) |
| { |
| ep->is_ip4 = session->lcl_addr.is_ip4; |
| ep->port = session->lcl_port; |
| if (session->lcl_addr.is_ip4) |
| clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4, |
| sizeof (ip4_address_t)); |
| else |
| clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6, |
| sizeof (ip6_address_t)); |
| *buflen = sizeof (*ep); |
| if (VPPCOM_DEBUG > 1) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, " |
| "is_ip4 = %u, addr = %U port %d", getpid (), |
| session_index, ep->is_ip4, format_ip46_address, |
| &session->lcl_addr.ip46, ep->is_ip4, |
| clib_net_to_host_u16 (ep->port)); |
| if (VPPCOM_DEBUG > 0) |
| { |
| if (ep->is_ip4) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d", |
| .format_args = "i1i1i1i1i2", |
| }; |
| CLIB_PACKED (struct { |
| u8 addr[4]; //4 |
| u16 port; //2 |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0]; |
| ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1]; |
| ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2]; |
| ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3]; |
| ed->port = clib_net_to_host_u16 (session->peer_port); |
| /* *INDENT-ON* */ |
| } |
| else |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d", |
| .format_args = "i2", |
| }; |
| CLIB_PACKED (struct { |
| u16 port; //2 |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->port = clib_net_to_host_u16 (session->peer_port); |
| /* *INDENT-ON* */ |
| } |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_LIBC_EPFD: |
| rv = session->libc_epfd; |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d", |
| getpid (), rv); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d", |
| .format_args = "i4", |
| }; |
| CLIB_PACKED (struct { |
| i32 data; |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data = session->libc_epfd; |
| /* *INDENT-ON* */ |
| } |
| |
| break; |
| |
| case VPPCOM_ATTR_SET_LIBC_EPFD: |
| if (PREDICT_TRUE (buffer && buflen && |
| (*buflen == sizeof (session->libc_epfd)))) |
| { |
| session->libc_epfd = *(int *) buffer; |
| *buflen = sizeof (session->libc_epfd); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, " |
| "buflen %d", getpid (), session->libc_epfd, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d", |
| .format_args = "t1i4i4", |
| .n_enum_strings = 2, |
| .enum_strings = {"", "-",}, |
| }; |
| CLIB_PACKED (struct { |
| u8 sign; |
| u32 data[2]; |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| |
| ed->sign = (session->libc_epfd < 0); |
| ed->data[0] = abs(session->libc_epfd); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_PROTOCOL: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| *(int *) buffer = session->proto; |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), " |
| "buflen %d", getpid (), *(int *) buffer, |
| *(int *) buffer ? "UDP" : "TCP", *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d", |
| .format_args = "t1i4", |
| .n_enum_strings = 2, |
| .enum_strings = {"TCP", "UDP",}, |
| }; |
| |
| CLIB_PACKED (struct { |
| u8 proto; |
| u32 buflen; |
| }) * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->proto = session->proto; |
| ed->buflen = *(int *) buffer; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_LISTEN: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_LISTEN); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, " |
| "buflen %d", getpid (), *(int *) buffer, *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_ERROR: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| *(int *) buffer = 0; |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| *(int *) buffer, *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_TX_FIFO_LEN: |
| if (buffer && buflen && (*buflen >= sizeof (u32))) |
| { |
| svm_fifo_t *tx_fifo; |
| |
| tx_fifo = ((!session->is_cut_thru || session->is_server) ? |
| session->server_tx_fifo : session->server_rx_fifo); |
| |
| /* VPP-TBD */ |
| *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size : |
| tx_fifo ? tx_fifo->nitems : |
| vcm->cfg.tx_fifo_size); |
| *buflen = sizeof (u32); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), " |
| "buflen %d, #VPP-TBD#", getpid (), |
| *(size_t *) buffer, *(size_t *) buffer, *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(size_t *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_TX_FIFO_LEN: |
| if (buffer && buflen && (*buflen == sizeof (u32))) |
| { |
| /* VPP-TBD */ |
| session->sndbuf_size = *(u32 *) buffer; |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), " |
| "buflen %d, #VPP-TBD#", getpid (), |
| session->sndbuf_size, session->sndbuf_size, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = session->sndbuf_size; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_RX_FIFO_LEN: |
| if (buffer && buflen && (*buflen >= sizeof (u32))) |
| { |
| svm_fifo_t *rx_fifo; |
| |
| rx_fifo = ((!session->is_cut_thru || session->is_server) ? |
| session->server_rx_fifo : session->server_tx_fifo); |
| |
| /* VPP-TBD */ |
| *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size : |
| rx_fifo ? rx_fifo->nitems : |
| vcm->cfg.rx_fifo_size); |
| *buflen = sizeof (u32); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), " |
| "buflen %d, #VPP-TBD#", getpid (), |
| *(size_t *) buffer, *(size_t *) buffer, *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(size_t *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_RX_FIFO_LEN: |
| if (buffer && buflen && (*buflen == sizeof (u32))) |
| { |
| /* VPP-TBD */ |
| session->rcvbuf_size = *(u32 *) buffer; |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), " |
| "buflen %d, #VPP-TBD#", getpid (), |
| session->sndbuf_size, session->sndbuf_size, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_RX_FIFO_LEN: 0x%x buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = session->sndbuf_size; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_REUSEADDR: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| /* VPP-TBD */ |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_REUSEADDR); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_REUSEADDR: |
| if (buffer && buflen && (*buflen == sizeof (int)) && |
| !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN)) |
| { |
| /* VPP-TBD */ |
| if (*(int *) buffer) |
| VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR); |
| else |
| VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_REUSEADDR), |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_REUSEADDR); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_REUSEPORT: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| /* VPP-TBD */ |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_REUSEPORT); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_REUSEPORT: |
| if (buffer && buflen && (*buflen == sizeof (int)) && |
| !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN)) |
| { |
| /* VPP-TBD */ |
| if (*(int *) buffer) |
| VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT); |
| else |
| VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_REUSEPORT), |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_REUSEPORT); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_BROADCAST: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| /* VPP-TBD */ |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_BROADCAST); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_BROADCAST: |
| if (buffer && buflen && (*buflen == sizeof (int))) |
| { |
| /* VPP-TBD */ |
| if (*(int *) buffer) |
| VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST); |
| else |
| VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_BROADCAST), |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_BROADCAST); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_V6ONLY: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| /* VPP-TBD */ |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_V6ONLY); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_V6ONLY: |
| if (buffer && buflen && (*buflen == sizeof (int))) |
| { |
| /* VPP-TBD */ |
| if (*(int *) buffer) |
| VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY); |
| else |
| VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_V6ONLY), *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_V6ONLY); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_KEEPALIVE: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| /* VPP-TBD */ |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_KEEPALIVE); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_KEEPALIVE: |
| if (buffer && buflen && (*buflen == sizeof (int))) |
| { |
| /* VPP-TBD */ |
| if (*(int *) buffer) |
| VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE); |
| else |
| VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_KEEPALIVE), |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_KEEPALIVE); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_TCP_NODELAY: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| /* VPP-TBD */ |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_NODELAY); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_TCP_NODELAY: |
| if (buffer && buflen && (*buflen == sizeof (int))) |
| { |
| /* VPP-TBD */ |
| if (*(int *) buffer) |
| VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY); |
| else |
| VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_NODELAY), |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_NODELAY); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_TCP_KEEPIDLE: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| /* VPP-TBD */ |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_KEEPIDLE); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_TCP_KEEPIDLE: |
| if (buffer && buflen && (*buflen == sizeof (int))) |
| { |
| /* VPP-TBD */ |
| if (*(int *) buffer) |
| VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE); |
| else |
| VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_KEEPIDLE), |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_KEEPIDLE); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_TCP_KEEPINTVL: |
| if (buffer && buflen && (*buflen >= sizeof (int))) |
| { |
| /* VPP-TBD */ |
| *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_KEEPINTVL); |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_TCP_KEEPINTVL: |
| if (buffer && buflen && (*buflen == sizeof (int))) |
| { |
| /* VPP-TBD */ |
| if (*(int *) buffer) |
| VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL); |
| else |
| VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_KEEPINTVL), |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = VCL_SESS_ATTR_TEST (session->attr, |
| VCL_SESS_ATTR_TCP_KEEPINTVL); |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_GET_TCP_USER_MSS: |
| if (buffer && buflen && (*buflen >= sizeof (u32))) |
| { |
| /* VPP-TBD */ |
| *(u32 *) buffer = session->user_mss; |
| *buflen = sizeof (int); |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, " |
| "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, |
| *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = *(int *) buffer; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| case VPPCOM_ATTR_SET_TCP_USER_MSS: |
| if (buffer && buflen && (*buflen == sizeof (u32))) |
| { |
| /* VPP-TBD */ |
| session->user_mss = *(u32 *) buffer; |
| |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, " |
| "buflen %d, #VPP-TBD#", getpid (), |
| session->user_mss, *buflen); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d", |
| .format_args = "i4i4", |
| }; |
| |
| struct { |
| u32 data[2]; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); |
| ed->data[0] = session->user_mss; |
| ed->data[1] = *buflen; |
| /* *INDENT-ON* */ |
| } |
| } |
| else |
| rv = VPPCOM_EINVAL; |
| break; |
| |
| default: |
| rv = VPPCOM_EINVAL; |
| break; |
| } |
| |
| done: |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| return rv; |
| } |
| |
| int |
| vppcom_session_recvfrom (uint32_t session_index, void *buffer, |
| uint32_t buflen, int flags, vppcom_endpt_t * ep) |
| { |
| int rv = VPPCOM_OK; |
| session_t *session = 0; |
| |
| if (ep) |
| { |
| clib_spinlock_lock (&vcm->sessions_lockp); |
| rv = vppcom_session_at_index (session_index, &session); |
| if (PREDICT_FALSE (rv)) |
| { |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (VPPCOM_DEBUG > 0) |
| clib_warning ("VCL<%d>: invalid session, " |
| "sid (%u) has been closed!", |
| getpid (), session_index); |
| if (VPPCOM_DEBUG > 0) |
| { |
| /* *INDENT-OFF* */ |
| ELOG_TYPE_DECLARE (e) = |
| { |
| .format = "invalid session: %d closed", |
| .format_args = "i4", |
| }; |
| |
| struct { |
| u32 data; |
| } * ed; |
| |
| ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track); |
| ed->data = session_index; |
| /* *INDENT-ON* */ |
| } |
| rv = VPPCOM_EBADFD; |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| goto done; |
| } |
| ep->is_ip4 = session->peer_addr.is_ip4; |
| ep->port = session->peer_port; |
| if (session->peer_addr.is_ip4) |
| clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4, |
| sizeof (ip4_address_t)); |
| else |
| clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6, |
| sizeof (ip6_address_t)); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| } |
| |
| if (flags == 0) |
| rv = vppcom_session_read (session_index, buffer, buflen); |
| else if (flags & MSG_PEEK) |
| rv = vppcom_session_peek (session_index, buffer, buflen); |
| else |
| { |
| clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d", |
| getpid (), flags); |
| rv = VPPCOM_EAFNOSUPPORT; |
| } |
| |
| done: |
| return rv; |
| } |
| |
| int |
| vppcom_session_sendto (uint32_t session_index, void *buffer, |
| uint32_t buflen, int flags, vppcom_endpt_t * ep) |
| { |
| if (!buffer) |
| return VPPCOM_EINVAL; |
| |
| if (ep) |
| { |
| // TBD |
| return VPPCOM_EINVAL; |
| } |
| |
| if (flags) |
| { |
| // TBD check the flags and do the right thing |
| if (VPPCOM_DEBUG > 2) |
| clib_warning ("VCL<%d>: handling flags 0x%u (%d) " |
| "not implemented yet.", getpid (), flags, flags); |
| } |
| |
| return (vppcom_session_write (session_index, buffer, buflen)); |
| } |
| |
| int |
| vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time) |
| { |
| f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time; |
| u32 i, keep_trying = 1; |
| int rv, num_ev = 0; |
| |
| if (VPPCOM_DEBUG > 3) |
| clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f", |
| getpid (), vp, n_sids, wait_for_time); |
| |
| if (!vp) |
| return VPPCOM_EFAULT; |
| |
| do |
| { |
| session_t *session; |
| |
| for (i = 0; i < n_sids; i++) |
| { |
| ASSERT (vp[i].revents); |
| |
| VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| |
| if (*vp[i].revents) |
| *vp[i].revents = 0; |
| |
| if (POLLIN & vp[i].events) |
| { |
| VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session); |
| rv = vppcom_session_read_ready (session, vp[i].sid); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (rv > 0) |
| { |
| *vp[i].revents |= POLLIN; |
| num_ev++; |
| } |
| else if (rv < 0) |
| { |
| switch (rv) |
| { |
| case VPPCOM_ECONNRESET: |
| *vp[i].revents = POLLHUP; |
| break; |
| |
| default: |
| *vp[i].revents = POLLERR; |
| break; |
| } |
| num_ev++; |
| } |
| } |
| |
| if (POLLOUT & vp[i].events) |
| { |
| VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session); |
| rv = vppcom_session_write_ready (session, vp[i].sid); |
| clib_spinlock_unlock (&vcm->sessions_lockp); |
| if (rv > 0) |
| { |
| *vp[i].revents |= POLLOUT; |
| num_ev++; |
| } |
| else if (rv < 0) |
| { |
| switch (rv) |
| { |
| case VPPCOM_ECONNRESET: |
| *vp[i].revents = POLLHUP; |
| break; |
| |
| default: |
| *vp[i].revents = POLLERR; |
| break; |
| } |
| num_ev++; |
| } |
| } |
| |
| if (0) |
| { |
| done: |
| *vp[i].revents = POLLNVAL; |
| num_ev++; |
| } |
| } |
| if (wait_for_time != -1) |
| keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0; |
| } |
| while ((num_ev == 0) && keep_trying); |
| |
| if (VPPCOM_DEBUG > 3) |
| { |
| clib_warning ("VCL<%d>: returning %d", getpid (), num_ev); |
| for (i = 0; i < n_sids; i++) |
| { |
| clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, " |
| ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid, |
| vp[i].events, *vp[i].revents); |
| } |
| } |
| return num_ev; |
| } |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |