blob: f15d2f6e8302162d41b80851ac42fb14e52ef755 [file] [log] [blame]
/*
* Copyright (c) 2015-2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* 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 <vnet/vnet.h>
#include <vlibmemory/api.h>
#include <vnet/session/application.h>
#include <vnet/session/application_interface.h>
#include <vnet/session/session_rules_table.h>
#include <vnet/session/session_table.h>
#include <vnet/vnet_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vnet/vnet_all_api_h.h>
#undef vl_printfun
#include <vlibapi/api_helper_macros.h>
#define foreach_session_api_msg \
_(MAP_ANOTHER_SEGMENT_REPLY, map_another_segment_reply) \
_(APPLICATION_ATTACH, application_attach) \
_(APPLICATION_DETACH, application_detach) \
_(BIND_URI, bind_uri) \
_(UNBIND_URI, unbind_uri) \
_(CONNECT_URI, connect_uri) \
_(DISCONNECT_SESSION, disconnect_session) \
_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
_(ACCEPT_SESSION_REPLY, accept_session_reply) \
_(RESET_SESSION_REPLY, reset_session_reply) \
_(BIND_SOCK, bind_sock) \
_(UNBIND_SOCK, unbind_sock) \
_(CONNECT_SOCK, connect_sock) \
_(SESSION_ENABLE_DISABLE, session_enable_disable) \
_(APP_NAMESPACE_ADD_DEL, app_namespace_add_del) \
_(SESSION_RULE_ADD_DEL, session_rule_add_del) \
_(SESSION_RULES_DUMP, session_rules_dump) \
static int
send_add_segment_callback (u32 api_client_index, const u8 * segment_name,
u32 segment_size)
{
vl_api_map_another_segment_t *mp;
unix_shared_memory_queue_t *q;
q = vl_api_client_index_to_input_queue (api_client_index);
if (!q)
return -1;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_MAP_ANOTHER_SEGMENT);
mp->segment_size = segment_size;
strncpy ((char *) mp->segment_name, (char *) segment_name,
sizeof (mp->segment_name) - 1);
vl_msg_api_send_shmem (q, (u8 *) & mp);
return 0;
}
static int
send_session_accept_callback (stream_session_t * s)
{
vl_api_accept_session_t *mp;
unix_shared_memory_queue_t *q, *vpp_queue;
application_t *server = application_get (s->app_index);
transport_connection_t *tc;
transport_proto_vft_t *tp_vft;
stream_session_t *listener;
q = vl_api_client_index_to_input_queue (server->api_client_index);
vpp_queue = session_manager_get_vpp_event_queue (s->thread_index);
if (!q)
return -1;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_ACCEPT_SESSION);
mp->context = server->index;
listener = listen_session_get (s->session_type, s->listener_index);
tp_vft = transport_protocol_get_vft (s->session_type);
tc = tp_vft->get_connection (s->connection_index, s->thread_index);
mp->listener_handle = listen_session_get_handle (listener);
mp->handle = session_handle (s);
mp->server_rx_fifo = pointer_to_uword (s->server_rx_fifo);
mp->server_tx_fifo = pointer_to_uword (s->server_tx_fifo);
mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
mp->port = tc->rmt_port;
mp->is_ip4 = tc->is_ip4;
clib_memcpy (&mp->ip, &tc->rmt_ip, sizeof (tc->rmt_ip));
vl_msg_api_send_shmem (q, (u8 *) & mp);
return 0;
}
static void
send_session_disconnect_callback (stream_session_t * s)
{
vl_api_disconnect_session_t *mp;
unix_shared_memory_queue_t *q;
application_t *app = application_get (s->app_index);
q = vl_api_client_index_to_input_queue (app->api_client_index);
if (!q)
return;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_DISCONNECT_SESSION);
mp->handle = session_handle (s);
vl_msg_api_send_shmem (q, (u8 *) & mp);
}
static void
send_session_reset_callback (stream_session_t * s)
{
vl_api_reset_session_t *mp;
unix_shared_memory_queue_t *q;
application_t *app = application_get (s->app_index);
q = vl_api_client_index_to_input_queue (app->api_client_index);
if (!q)
return;
mp = vl_msg_api_alloc (sizeof (*mp));
memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_RESET_SESSION);
mp->handle = session_handle (s);
vl_msg_api_send_shmem (q, (u8 *) & mp);
}
int
send_session_connected_callback (u32 app_index, u32 api_context,
stream_session_t * s, u8 is_fail)
{
vl_api_connect_session_reply_t *mp;
unix_shared_memory_queue_t *q;
application_t *app;
unix_shared_memory_queue_t *vpp_queue;
transport_connection_t *tc;
app = application_get (app_index);
q = vl_api_client_index_to_input_queue (app->api_client_index);
if (!q)
return -1;
mp = vl_msg_api_alloc (sizeof (*mp));
mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_CONNECT_SESSION_REPLY);
mp->context = api_context;
if (is_fail)
goto done;
tc = session_get_transport (s);
if (!tc)
{
is_fail = 1;
goto done;
}
vpp_queue = session_manager_get_vpp_event_queue (s->thread_index);
mp->server_rx_fifo = pointer_to_uword (s->server_rx_fifo);
mp->server_tx_fifo = pointer_to_uword (s->server_tx_fifo);
mp->handle = session_handle (s);
mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
clib_memcpy (mp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip));
mp->is_ip4 = tc->is_ip4;
mp->lcl_port = tc->lcl_port;
done:
mp->retval = is_fail ?
clib_host_to_net_u32 (VNET_API_ERROR_SESSION_CONNECT) : 0;
vl_msg_api_send_shmem (q, (u8 *) & mp);
return 0;
}
/**
* Redirect a connect_uri message to the indicated server.
* Only sent if the server has bound the related port with
* URI_OPTIONS_FLAGS_USE_FIFO
*/
static int
redirect_connect_callback (u32 server_api_client_index, void *mp_arg)
{
vl_api_connect_sock_t *mp = mp_arg;
unix_shared_memory_queue_t *server_q, *client_q;
segment_manager_properties_t *props;
vlib_main_t *vm = vlib_get_main ();
f64 timeout = vlib_time_now (vm) + 0.5;
application_t *app;
int rv = 0;
server_q = vl_api_client_index_to_input_queue (server_api_client_index);
if (!server_q)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto out;
}
client_q = vl_api_client_index_to_input_queue (mp->client_index);
if (!client_q)
{
rv = VNET_API_ERROR_INVALID_VALUE_2;
goto out;
}
/* Tell the server the client's API queue address, so it can reply */
mp->client_queue_address = pointer_to_uword (client_q);
app = application_lookup (mp->client_index);
if (!app)
{
clib_warning ("no client application");
return -1;
}
props = segment_manager_properties_get (app->sm_properties);
mp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = props->rx_fifo_size;
mp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = props->tx_fifo_size;
/*
* Bounce message handlers MUST NOT block the data-plane.
* Spin waiting for the queue lock, but
*/
while (vlib_time_now (vm) < timeout)
{
rv =
unix_shared_memory_queue_add (server_q, (u8 *) & mp, 1 /*nowait */ );
switch (rv)
{
/* correctly enqueued */
case 0:
return VNET_API_ERROR_SESSION_REDIRECT;
/* continue spinning, wait for pthread_mutex_trylock to work */
case -1:
continue;
/* queue stuffed, drop the msg */
case -2:
rv = VNET_API_ERROR_QUEUE_FULL;
goto out;
}
}
out:
/* Dispose of the message */
vl_msg_api_free (mp);
return rv;
}
static session_cb_vft_t session_cb_vft = {
.session_accept_callback = send_session_accept_callback,
.session_disconnect_callback = send_session_disconnect_callback,
.session_connected_callback = send_session_connected_callback,
.session_reset_callback = send_session_reset_callback,
.add_segment_callback = send_add_segment_callback,
.redirect_connect_callback = redirect_connect_callback
};
static void
vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
{
vl_api_session_enable_disable_reply_t *rmp;
vlib_main_t *vm = vlib_get_main ();
int rv = 0;
vnet_session_enable_disable (vm, mp->is_enable);
REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
}
static void
vl_api_application_attach_t_handler (vl_api_application_attach_t * mp)
{
vl_api_application_attach_reply_t *rmp;
vnet_app_attach_args_t _a, *a = &_a;
clib_error_t *error = 0;
int rv = 0;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
STATIC_ASSERT (sizeof (u64) * SESSION_OPTIONS_N_OPTIONS <=
sizeof (mp->options),
"Out of options, fix api message definition");
memset (a, 0, sizeof (*a));
a->api_client_index = mp->client_index;
a->options = mp->options;
a->session_cb_vft = &session_cb_vft;
if (mp->namespace_id_len > 64)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto done;
}
if (mp->namespace_id_len)
{
vec_validate (a->namespace_id, mp->namespace_id_len - 1);
clib_memcpy (a->namespace_id, mp->namespace_id, mp->namespace_id_len);
}
if ((error = vnet_application_attach (a)))
{
rv = clib_error_get_code (error);
clib_error_report (error);
}
vec_free (a->namespace_id);
done:
/* *INDENT-OFF* */
REPLY_MACRO2 (VL_API_APPLICATION_ATTACH_REPLY, ({
if (!rv)
{
rmp->segment_name_length = 0;
rmp->segment_size = a->segment_size;
if (a->segment_name_length)
{
memcpy (rmp->segment_name, a->segment_name,
a->segment_name_length);
rmp->segment_name_length = a->segment_name_length;
}
rmp->app_event_queue_address = a->app_event_queue_address;
}
}));
/* *INDENT-ON* */
}
static void
vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
{
vl_api_application_detach_reply_t *rmp;
int rv = VNET_API_ERROR_INVALID_VALUE_2;
vnet_app_detach_args_t _a, *a = &_a;
application_t *app;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
app = application_lookup (mp->client_index);
if (app)
{
a->app_index = app->index;
rv = vnet_application_detach (a);
}
done:
REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
}
static void
vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp)
{
vl_api_bind_uri_reply_t *rmp;
vnet_bind_args_t _a, *a = &_a;
application_t *app;
int rv;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
app = application_lookup (mp->client_index);
if (app)
{
memset (a, 0, sizeof (*a));
a->uri = (char *) mp->uri;
a->app_index = app->index;
rv = vnet_bind_uri (a);
}
else
{
rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
}
done:
REPLY_MACRO (VL_API_BIND_URI_REPLY);
}
static void
vl_api_unbind_uri_t_handler (vl_api_unbind_uri_t * mp)
{
vl_api_unbind_uri_reply_t *rmp;
application_t *app;
vnet_unbind_args_t _a, *a = &_a;
int rv;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
app = application_lookup (mp->client_index);
if (app)
{
a->uri = (char *) mp->uri;
a->app_index = app->index;
rv = vnet_unbind_uri (a);
}
else
{
rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
}
done:
REPLY_MACRO (VL_API_UNBIND_URI_REPLY);
}
static void
vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
{
vl_api_connect_session_reply_t *rmp;
vnet_connect_args_t _a, *a = &_a;
application_t *app;
clib_error_t *error = 0;
int rv = 0;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
app = application_lookup (mp->client_index);
if (app)
{
a->uri = (char *) mp->uri;
a->api_context = mp->context;
a->app_index = app->index;
a->mp = mp;
if ((error = vnet_connect_uri (a)))
{
rv = clib_error_get_code (error);
if (rv != VNET_API_ERROR_SESSION_REDIRECT)
clib_error_report (error);
}
}
else
{
rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
}
/*
* Don't reply to stream (tcp) connects. The reply will come once
* the connection is established. In case of the redirects, the reply
* will come from the server app.
*/
if (rv == 0 || rv == VNET_API_ERROR_SESSION_REDIRECT)
return;
done:
/* *INDENT-OFF* */
REPLY_MACRO (VL_API_CONNECT_SESSION_REPLY);
/* *INDENT-ON* */
}
static void
vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
{
vl_api_disconnect_session_reply_t *rmp;
vnet_disconnect_args_t _a, *a = &_a;
application_t *app;
int rv = 0;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
app = application_lookup (mp->client_index);
if (app)
{
a->handle = mp->handle;
a->app_index = app->index;
rv = vnet_disconnect_session (a);
}
else
{
rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
}
done:
REPLY_MACRO2 (VL_API_DISCONNECT_SESSION_REPLY, rmp->handle = mp->handle);
}
static void
vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
mp)
{
vnet_disconnect_args_t _a, *a = &_a;
application_t *app;
/* Client objected to disconnecting the session, log and continue */
if (mp->retval)
{
clib_warning ("client retval %d", mp->retval);
return;
}
/* Disconnect has been confirmed. Confirm close to transport */
app = application_lookup (mp->client_index);
if (app)
{
a->handle = mp->handle;
a->app_index = app->index;
vnet_disconnect_session (a);
}
}
static void
vl_api_reset_session_reply_t_handler (vl_api_reset_session_reply_t * mp)
{
application_t *app;
stream_session_t *s;
u32 index, thread_index;
app = application_lookup (mp->client_index);
if (!app)
return;
session_parse_handle (mp->handle, &index, &thread_index);
s = session_get_if_valid (index, thread_index);
if (s == 0 || app->index != s->app_index)
{
clib_warning ("Invalid session!");
return;
}
/* Client objected to resetting the session, log and continue */
if (mp->retval)
{
clib_warning ("client retval %d", mp->retval);
return;
}
/* This comes as a response to a reset, transport only waiting for
* confirmation to remove connection state, no need to disconnect */
stream_session_cleanup (s);
}
static void
vl_api_accept_session_reply_t_handler (vl_api_accept_session_reply_t * mp)
{
stream_session_t *s;
u32 session_index, thread_index;
vnet_disconnect_args_t _a, *a = &_a;
/* Server isn't interested, kill the session */
if (mp->retval)
{
a->app_index = mp->context;
a->handle = mp->handle;
vnet_disconnect_session (a);
}
else
{
session_parse_handle (mp->handle, &session_index, &thread_index);
s = session_get_if_valid (session_index, thread_index);
if (!s)
{
clib_warning ("session doesn't exist");
return;
}
if (s->app_index != mp->context)
{
clib_warning ("app doesn't own session");
return;
}
s->session_state = SESSION_STATE_READY;
}
}
static void
vl_api_map_another_segment_reply_t_handler (vl_api_map_another_segment_reply_t
* mp)
{
clib_warning ("not implemented");
}
static void
vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp)
{
vl_api_bind_sock_reply_t *rmp;
vnet_bind_args_t _a, *a = &_a;
int rv = 0;
clib_error_t *error;
application_t *app = 0;
stream_session_t *s;
transport_connection_t *tc = 0;
ip46_address_t *ip46;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
app = application_lookup (mp->client_index);
if (!app)
{
rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
goto done;
}
ip46 = (ip46_address_t *) mp->ip;
memset (a, 0, sizeof (*a));
a->sep.is_ip4 = mp->is_ip4;
a->sep.ip = *ip46;
a->sep.port = mp->port;
a->sep.fib_index = mp->vrf;
a->sep.sw_if_index = ENDPOINT_INVALID_INDEX;
a->sep.transport_proto = mp->proto;
a->app_index = app->index;
if ((error = vnet_bind (a)))
{
rv = clib_error_get_code (error);
clib_error_report (error);
}
done:
/* *INDENT-OFF* */
REPLY_MACRO2 (VL_API_BIND_SOCK_REPLY,({
if (!rv)
{
rmp->handle = a->handle;
rmp->lcl_port = mp->port;
if (application_has_global_scope (app))
{
s = listen_session_get_from_handle (a->handle);
tc = listen_session_get_transport (s);
rmp->lcl_is_ip4 = tc->is_ip4;
clib_memcpy (rmp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip));
}
}
}));
/* *INDENT-ON* */
}
static void
vl_api_unbind_sock_t_handler (vl_api_unbind_sock_t * mp)
{
vl_api_unbind_sock_reply_t *rmp;
vnet_unbind_args_t _a, *a = &_a;
application_t *app;
clib_error_t *error;
int rv = 0;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
app = application_lookup (mp->client_index);
if (app)
{
a->app_index = app->index;
a->handle = mp->handle;
if ((error = vnet_unbind (a)))
{
rv = clib_error_get_code (error);
clib_error_report (error);
}
}
done:
REPLY_MACRO (VL_API_UNBIND_SOCK_REPLY);
}
static void
vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
{
vl_api_connect_session_reply_t *rmp;
vnet_connect_args_t _a, *a = &_a;
application_t *app;
clib_error_t *error = 0;
int rv = 0;
if (session_manager_is_enabled () == 0)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
app = application_lookup (mp->client_index);
if (app)
{
unix_shared_memory_queue_t *client_q;
ip46_address_t *ip46 = (ip46_address_t *) mp->ip;
client_q = vl_api_client_index_to_input_queue (mp->client_index);
mp->client_queue_address = pointer_to_uword (client_q);
a->sep.is_ip4 = mp->is_ip4;
a->sep.ip = *ip46;
a->sep.port = mp->port;
a->sep.transport_proto = mp->proto;
a->sep.fib_index = mp->vrf;
a->sep.sw_if_index = ENDPOINT_INVALID_INDEX;
a->api_context = mp->context;
a->app_index = app->index;
a->mp = mp;
if ((error = vnet_connect (a)))
{
rv = clib_error_get_code (error);
if (rv != VNET_API_ERROR_SESSION_REDIRECT)
clib_error_report (error);
}
}
else
{
rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
}
if (rv == 0 || rv == VNET_API_ERROR_SESSION_REDIRECT)
return;
/* Got some error, relay it */
done:
REPLY_MACRO (VL_API_CONNECT_SESSION_REPLY);
}
static void
vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
{
vl_api_app_namespace_add_del_reply_t *rmp;
clib_error_t *error = 0;
u32 appns_index = 0;
u8 *ns_id = 0;
int rv = 0;
if (!session_manager_is_enabled ())
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
if (mp->namespace_id_len > ARRAY_LEN (mp->namespace_id))
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto done;
}
vec_validate (ns_id, mp->namespace_id_len - 1);
clib_memcpy (ns_id, mp->namespace_id, mp->namespace_id_len);
vnet_app_namespace_add_del_args_t args = {
.ns_id = ns_id,
.secret = clib_net_to_host_u64 (mp->secret),
.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
.ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
.ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
.is_add = 1
};
error = vnet_app_namespace_add_del (&args);
if (error)
{
rv = clib_error_get_code (error);
clib_error_report (error);
}
else
{
appns_index = app_namespace_index_from_id (ns_id);
if (appns_index == APP_NAMESPACE_INVALID_INDEX)
{
clib_warning ("app ns lookup failed");
rv = VNET_API_ERROR_UNSPECIFIED;
}
}
vec_free (ns_id);
/* *INDENT-OFF* */
done:
REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
if (!rv)
rmp->appns_index = clib_host_to_net_u32 (appns_index);
}));
/* *INDENT-ON* */
}
static void
vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
{
vl_api_session_rule_add_del_reply_t *rmp;
session_rule_add_del_args_t args;
session_rule_table_add_del_args_t *table_args = &args.table_args;
clib_error_t *error;
u8 fib_proto;
int rv = 0;
memset (&args, 0, sizeof (args));
fib_proto = mp->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
table_args->lcl.fp_len = mp->lcl_plen;
table_args->lcl.fp_proto = fib_proto;
table_args->rmt.fp_len = mp->rmt_plen;
table_args->rmt.fp_proto = fib_proto;
table_args->lcl_port = mp->lcl_port;
table_args->rmt_port = mp->rmt_port;
table_args->action_index = clib_net_to_host_u32 (mp->action_index);
table_args->is_add = mp->is_add;
mp->tag[sizeof (mp->tag) - 1] = 0;
table_args->tag = format (0, "%s", mp->tag);
args.appns_index = clib_net_to_host_u32 (mp->appns_index);
args.scope = mp->scope;
args.transport_proto = mp->transport_proto;
memset (&table_args->lcl.fp_addr, 0, sizeof (table_args->lcl.fp_addr));
memset (&table_args->rmt.fp_addr, 0, sizeof (table_args->rmt.fp_addr));
ip_set (&table_args->lcl.fp_addr, mp->lcl_ip, mp->is_ip4);
ip_set (&table_args->rmt.fp_addr, mp->rmt_ip, mp->is_ip4);
error = vnet_session_rule_add_del (&args);
if (error)
{
rv = clib_error_get_code (error);
clib_error_report (error);
}
vec_free (table_args->tag);
REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
}
static void
send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
u8 transport_proto, u32 appns_index, u8 * tag,
unix_shared_memory_queue_t * q, u32 context)
{
vl_api_session_rules_details_t *rmp = 0;
session_mask_or_match_4_t *match =
(session_mask_or_match_4_t *) & rule->match;
session_mask_or_match_4_t *mask =
(session_mask_or_match_4_t *) & rule->mask;
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
rmp->context = context;
rmp->is_ip4 = 1;
clib_memcpy (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip));
clib_memcpy (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip));
rmp->lcl_plen = ip4_mask_to_preflen (&mask->lcl_ip);
rmp->rmt_plen = ip4_mask_to_preflen (&mask->rmt_ip);
rmp->lcl_port = match->lcl_port;
rmp->rmt_port = match->rmt_port;
rmp->action_index = clib_host_to_net_u32 (rule->action_index);
rmp->scope =
is_local ? SESSION_RULE_SCOPE_LOCAL : SESSION_RULE_SCOPE_GLOBAL;
rmp->transport_proto = transport_proto;
rmp->appns_index = clib_host_to_net_u32 (appns_index);
if (tag)
{
clib_memcpy (rmp->tag, tag, vec_len (tag));
rmp->tag[vec_len (tag)] = 0;
}
vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
static void
send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
u8 transport_proto, u32 appns_index, u8 * tag,
unix_shared_memory_queue_t * q, u32 context)
{
vl_api_session_rules_details_t *rmp = 0;
session_mask_or_match_6_t *match =
(session_mask_or_match_6_t *) & rule->match;
session_mask_or_match_6_t *mask =
(session_mask_or_match_6_t *) & rule->mask;
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
rmp->context = context;
rmp->is_ip4 = 0;
clib_memcpy (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip));
clib_memcpy (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip));
rmp->lcl_plen = ip6_mask_to_preflen (&mask->lcl_ip);
rmp->rmt_plen = ip6_mask_to_preflen (&mask->rmt_ip);
rmp->lcl_port = match->lcl_port;
rmp->rmt_port = match->rmt_port;
rmp->action_index = clib_host_to_net_u32 (rule->action_index);
rmp->scope =
is_local ? SESSION_RULE_SCOPE_LOCAL : SESSION_RULE_SCOPE_GLOBAL;
rmp->transport_proto = transport_proto;
rmp->appns_index = clib_host_to_net_u32 (appns_index);
if (tag)
{
clib_memcpy (rmp->tag, tag, vec_len (tag));
rmp->tag[vec_len (tag)] = 0;
}
vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
static void
send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
u8 tp, u8 is_local, u32 appns_index,
unix_shared_memory_queue_t * q, u32 context)
{
mma_rule_16_t *rule16;
mma_rule_40_t *rule40;
mma_rules_table_16_t *srt16;
mma_rules_table_40_t *srt40;
u32 ri;
if (is_local || fib_proto == FIB_PROTOCOL_IP4)
{
u8 *tag = 0;
/* *INDENT-OFF* */
srt16 = &srt->session_rules_tables_16;
pool_foreach (rule16, srt16->rules, ({
ri = mma_rules_table_rule_index_16 (srt16, rule16);
tag = session_rules_table_rule_tag (srt, ri, 1);
send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
q, context);
}));
/* *INDENT-ON* */
}
if (is_local || fib_proto == FIB_PROTOCOL_IP6)
{
u8 *tag = 0;
/* *INDENT-OFF* */
srt40 = &srt->session_rules_tables_40;
pool_foreach (rule40, srt40->rules, ({
ri = mma_rules_table_rule_index_40 (srt40, rule40);
tag = session_rules_table_rule_tag (srt, ri, 1);
send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
q, context);
}));
/* *INDENT-ON* */
}
}
static void
vl_api_session_rules_dump_t_handler (vl_api_one_map_server_dump_t * mp)
{
unix_shared_memory_queue_t *q = NULL;
session_table_t *st;
u8 tp;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
return;
/* *INDENT-OFF* */
session_table_foreach (st, ({
for (tp = 0; tp < TRANSPORT_N_PROTO; tp++)
{
send_session_rules_table_details (&st->session_rules[tp],
st->active_fib_proto, tp,
st->is_local, st->appns_index, q,
mp->context);
}
}));
/* *INDENT-ON* */
}
static clib_error_t *
application_reaper_cb (u32 client_index)
{
application_t *app = application_lookup (client_index);
vnet_app_detach_args_t _a, *a = &_a;
if (app)
{
a->app_index = app->index;
vnet_application_detach (a);
}
return 0;
}
VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
#define vl_msg_name_crc_list
#include <vnet/vnet_all_api_h.h>
#undef vl_msg_name_crc_list
static void
setup_message_id_table (api_main_t * am)
{
#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
foreach_vl_msg_name_crc_session;
#undef _
}
/*
* session_api_hookup
* Add uri's API message handlers to the table.
* vlib has alread mapped shared memory and
* added the client registration handlers.
* See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
*/
static clib_error_t *
session_api_hookup (vlib_main_t * vm)
{
api_main_t *am = &api_main;
#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_session_api_msg;
#undef _
/*
* Messages which bounce off the data-plane to
* an API client. Simply tells the message handling infra not
* to free the message.
*
* Bounced message handlers MUST NOT block the data plane
*/
am->message_bounce[VL_API_CONNECT_URI] = 1;
am->message_bounce[VL_API_CONNECT_SOCK] = 1;
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
return 0;
}
VLIB_API_INIT_FUNCTION (session_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/