session: update due to clib_socket refactoring
After the clib_socket_init syntax changed, the behavior of VCL
socket creation was broken. This patch introduces app_namespace_add_del_v4
to address the behavioral change.
Type: refactor
Change-Id: Ice016bdb372233fd3317f166d45625e086e9b4df
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
diff --git a/src/vnet/session/application_namespace.c b/src/vnet/session/application_namespace.c
index cd2636c..13b540c 100644
--- a/src/vnet/session/application_namespace.c
+++ b/src/vnet/session/application_namespace.c
@@ -119,11 +119,6 @@
st->is_local = 1;
st->appns_index = app_namespace_index (app_ns);
app_ns->local_table_index = session_table_index (st);
- if (a->netns)
- {
- app_ns->netns = vec_dup (a->netns);
- vec_terminate_c_string (app_ns->netns);
- }
if (a->sock_name)
{
app_ns->sock_name = vec_dup (a->sock_name);
@@ -167,8 +162,6 @@
st = session_table_get (app_ns->local_table_index);
session_table_free (st, FIB_PROTOCOL_MAX);
- if (app_ns->netns)
- vec_free (app_ns->netns);
if (app_ns->sock_name)
vec_free (app_ns->sock_name);
@@ -255,7 +248,6 @@
/* clang-format off */
vnet_app_namespace_add_del_args_t a = {
.ns_id = ns_id,
- .netns = 0,
.sock_name = 0,
.secret = 0,
.sw_if_index = APP_NAMESPACE_INVALID_INDEX,
@@ -272,7 +264,7 @@
vlib_cli_command_t * cmd)
{
u8 is_add = 0, *ns_id = 0, secret_set = 0, sw_if_index_set = 0;
- u8 *netns = 0, *sock_name = 0;
+ u8 *sock_name = 0;
unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index, fib_id = APP_NAMESPACE_INVALID_INDEX;
vnet_main_t *vnm = vnet_get_main ();
@@ -302,8 +294,6 @@
sw_if_index_set = 1;
else if (unformat (line_input, "fib_id", &fib_id))
;
- else if (unformat (line_input, "netns %_%v%_", &netns))
- ;
else if (unformat (line_input, "sock-name %_%v%_", &sock_name))
;
else
@@ -329,7 +319,6 @@
/* clang-format off */
vnet_app_namespace_add_del_args_t args = {
.ns_id = ns_id,
- .netns = netns,
.secret = secret,
.sw_if_index = sw_if_index,
.sock_name = sock_name,
@@ -344,7 +333,6 @@
done:
vec_free (ns_id);
- vec_free (netns);
vec_free (sock_name);
unformat_free (line_input);
@@ -355,7 +343,7 @@
VLIB_CLI_COMMAND (app_ns_command, static) = {
.path = "app ns",
.short_help = "app ns [add|del] id <namespace-id> secret <secret> "
- "sw_if_index <sw_if_index> if <interface> [netns <ns>]",
+ "sw_if_index <sw_if_index> if <interface>",
.function = app_ns_fn,
};
/* *INDENT-ON* */
@@ -371,8 +359,6 @@
if (app_ns->sw_if_index != (u32) ~0)
s = format (s, "\nInterface: %U", format_vnet_sw_if_index_name, vnm,
app_ns->sw_if_index);
- if (app_ns->netns)
- s = format (s, "\nNetns: %s", app_ns->netns);
if (app_ns->sock_name)
s = format (s, "\nSocket: %s", app_ns->sock_name);
@@ -482,8 +468,7 @@
}
do_ns_list:
- table_add_header_col (t, 6, "Index", "Secret", "Interface", "Id", "Netns",
- "Socket");
+ table_add_header_col (t, 5, "Index", "Secret", "Interface", "Id", "Socket");
int i = 0;
pool_foreach (app_ns, app_namespace_pool)
{
@@ -493,7 +478,6 @@
table_format_cell (t, i, j++, "%U", format_vnet_sw_if_index_name, vnm,
app_ns->sw_if_index);
table_format_cell (t, i, j++, "%s", app_ns->ns_id);
- table_format_cell (t, i, j++, "%s", app_ns->netns);
table_format_cell (t, i++, j++, "%s", app_ns->sock_name);
}
diff --git a/src/vnet/session/application_namespace.h b/src/vnet/session/application_namespace.h
index 1750d41..02a4a07 100644
--- a/src/vnet/session/application_namespace.h
+++ b/src/vnet/session/application_namespace.h
@@ -51,11 +51,6 @@
u8 *ns_id;
/**
- * Linux netns if one was provided
- */
- u8 *netns;
-
- /**
* Name of socket applications can use to attach to session layer
*/
u8 *sock_name;
@@ -69,7 +64,6 @@
typedef struct _vnet_app_namespace_add_del_args
{
u8 *ns_id;
- u8 *netns;
u8 *sock_name;
u64 secret;
u32 sw_if_index;
diff --git a/src/vnet/session/session.api b/src/vnet/session/session.api
index 9a7bb01..6affae4 100644
--- a/src/vnet/session/session.api
+++ b/src/vnet/session/session.api
@@ -219,9 +219,49 @@
@param ip6_fib_id - id of ip6 fib that "supports" the namespace. Ignored
if sw_if_index set.
@param namespace_id - namespace id
+ @param sock_name - socket name (path, abstract socket name)
+*/
+define app_namespace_add_del_v4 {
+ option deprecated;
+ u32 client_index;
+ u32 context;
+ u64 secret;
+ bool is_add [default=true];
+ vl_api_interface_index_t sw_if_index [default=0xffffffff];
+ u32 ip4_fib_id;
+ u32 ip6_fib_id;
+ string namespace_id[64];
+ string sock_name[];
+};
+
+/** \brief Reply for app namespace add/del
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+ @param appns_index - app namespace index
+*/
+define app_namespace_add_del_v4_reply
+{
+ u32 context;
+ i32 retval;
+ u32 appns_index;
+};
+
+/** \brief add/del application namespace
+ @param client_index - opaque cookie to identify the sender
+ client to vpp direction only
+ @param context - sender context, to match reply w/ request
+ @param secret - secret shared between app and vpp
+ @param sw_if_index - local interface that "supports" namespace. Set to
+ ~0 if no preference
+ @param ip4_fib_id - id of ip4 fib that "supports" the namespace. Ignored
+ if sw_if_index set.
+ @param ip6_fib_id - id of ip6 fib that "supports" the namespace. Ignored
+ if sw_if_index set.
+ @param namespace_id - namespace id
@param netns - linux net namespace
*/
define app_namespace_add_del_v2 {
+ option deprecated;
u32 client_index;
u32 context;
u64 secret;
@@ -248,6 +288,7 @@
@param sock_name - socket name (path, abstract socket name)
*/
define app_namespace_add_del_v3 {
+ option deprecated;
u32 client_index;
u32 context;
u64 secret;
@@ -280,6 +321,7 @@
*/
define app_namespace_add_del_v2_reply
{
+ option deprecated;
u32 context;
i32 retval;
u32 appns_index;
@@ -287,6 +329,7 @@
define app_namespace_add_del_v3_reply
{
+ option deprecated;
u32 context;
i32 retval;
u32 appns_index;
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index eb35f19..3e99938 100644
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -725,7 +725,6 @@
vnet_app_namespace_add_del_args_t args = {
.ns_id = ns_id,
- .netns = 0,
.sock_name = 0,
.secret = clib_net_to_host_u64 (mp->secret),
.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
@@ -759,7 +758,7 @@
vl_api_app_namespace_add_del_v2_t *mp)
{
vl_api_app_namespace_add_del_v2_reply_t *rmp;
- u8 *ns_id = 0, *netns = 0;
+ u8 *ns_id = 0;
u32 appns_index = 0;
int rv = 0;
@@ -770,13 +769,10 @@
}
mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
- mp->netns[sizeof (mp->netns) - 1] = 0;
ns_id = format (0, "%s", &mp->namespace_id);
- netns = format (0, "%s", &mp->netns);
vnet_app_namespace_add_del_args_t args = {
.ns_id = ns_id,
- .netns = netns,
.sock_name = 0,
.secret = clib_net_to_host_u64 (mp->secret),
.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
@@ -795,7 +791,6 @@
}
}
vec_free (ns_id);
- vec_free (netns);
done:
REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V2_REPLY, ({
@@ -805,11 +800,11 @@
}
static void
-vl_api_app_namespace_add_del_v3_t_handler (
- vl_api_app_namespace_add_del_v3_t *mp)
+vl_api_app_namespace_add_del_v4_t_handler (
+ vl_api_app_namespace_add_del_v4_t *mp)
{
- vl_api_app_namespace_add_del_v3_reply_t *rmp;
- u8 *ns_id = 0, *netns = 0, *sock_name = 0;
+ vl_api_app_namespace_add_del_v4_reply_t *rmp;
+ u8 *ns_id = 0, *sock_name = 0;
u32 appns_index = 0;
int rv = 0;
if (session_main_is_enabled () == 0)
@@ -818,13 +813,10 @@
goto done;
}
mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
- mp->netns[sizeof (mp->netns) - 1] = 0;
ns_id = format (0, "%s", &mp->namespace_id);
- netns = format (0, "%s", &mp->netns);
sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
vnet_app_namespace_add_del_args_t args = {
.ns_id = ns_id,
- .netns = netns,
.sock_name = sock_name,
.secret = clib_net_to_host_u64 (mp->secret),
.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
@@ -843,9 +835,65 @@
}
}
vec_free (ns_id);
- vec_free (netns);
vec_free (sock_name);
done:
+ REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V4_REPLY, ({
+ if (!rv)
+ rmp->appns_index = clib_host_to_net_u32 (appns_index);
+ }));
+}
+
+static void
+vl_api_app_namespace_add_del_v3_t_handler (
+ vl_api_app_namespace_add_del_v3_t *mp)
+{
+ vl_api_app_namespace_add_del_v3_reply_t *rmp;
+ u8 *ns_id = 0, *sock_name = 0, *api_sock_name = 0;
+ u32 appns_index = 0;
+ int rv = 0;
+ if (session_main_is_enabled () == 0)
+ {
+ rv = VNET_API_ERROR_FEATURE_DISABLED;
+ goto done;
+ }
+ mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
+ ns_id = format (0, "%s", &mp->namespace_id);
+ api_sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
+ mp->netns[sizeof (mp->netns) - 1] = 0;
+ if (strlen ((char *) mp->netns) != 0)
+ {
+ sock_name =
+ format (0, "abstract:%v,netns_name=%s", api_sock_name, &mp->netns);
+ }
+ else
+ {
+ sock_name = api_sock_name;
+ api_sock_name = 0; // for vec_free
+ }
+
+ vnet_app_namespace_add_del_args_t args = {
+ .ns_id = ns_id,
+ .sock_name = sock_name,
+ .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 = mp->is_add,
+ };
+ rv = vnet_app_namespace_add_del (&args);
+ if (!rv && mp->is_add)
+ {
+ appns_index = app_namespace_index_from_id (ns_id);
+ if (appns_index == APP_NAMESPACE_INVALID_INDEX)
+ {
+ clib_warning ("app ns lookup failed id:%s", ns_id);
+ rv = VNET_API_ERROR_UNSPECIFIED;
+ }
+ }
+ vec_free (ns_id);
+ vec_free (sock_name);
+ vec_free (api_sock_name);
+done:
REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V3_REPLY, ({
if (!rv)
rmp->appns_index = clib_host_to_net_u32 (appns_index);
@@ -1655,27 +1703,10 @@
clib_socket_t *cs;
char dir[4096];
- if (app_ns->netns)
- {
- if (!app_ns->sock_name)
- app_ns->sock_name = format (0, "@vpp/session/%v%c", app_ns->ns_id, 0);
- if (app_ns->sock_name[0] != '@')
- return VNET_API_ERROR_INVALID_VALUE;
- }
- else
- {
- snprintf (dir, sizeof (dir), "%s%s", vlib_unix_get_runtime_dir (),
- subdir);
- err = vlib_unix_recursive_mkdir ((char *) dir);
- if (err)
- {
- clib_error_report (err);
- return VNET_API_ERROR_SYSCALL_ERROR_1;
- }
+ snprintf (dir, sizeof (dir), "%s%s", vlib_unix_get_runtime_dir (), subdir);
- if (!app_ns->sock_name)
- app_ns->sock_name = format (0, "%s%v%c", dir, app_ns->ns_id, 0);
- }
+ if (!app_ns->sock_name)
+ app_ns->sock_name = format (0, "%s%v%c", dir, app_ns->ns_id, 0);
/*
* Create and initialize socket to listen on
@@ -1686,13 +1717,24 @@
CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
- if ((err = clib_socket_init_netns (cs, app_ns->netns)))
+ if (clib_socket_prefix_get_type (cs->config) == CLIB_SOCKET_TYPE_UNIX)
+ {
+ err = vlib_unix_recursive_mkdir ((char *) dir);
+ if (err)
+ {
+ clib_error_report (err);
+ return VNET_API_ERROR_SYSCALL_ERROR_1;
+ }
+ }
+
+ if ((err = clib_socket_init (cs)))
{
clib_error_report (err);
return -1;
}
- if (!app_ns->netns && stat ((char *) app_ns->sock_name, &file_stat) == -1)
+ if (clib_socket_prefix_get_type (cs->config) == CLIB_SOCKET_TYPE_UNIX &&
+ stat ((char *) app_ns->sock_name, &file_stat) == -1)
return -1;
/*
diff --git a/src/vnet/session/session_test.c b/src/vnet/session/session_test.c
index 13970d5..770e726 100644
--- a/src/vnet/session/session_test.c
+++ b/src/vnet/session/session_test.c
@@ -325,6 +325,18 @@
}
static void
+vl_api_app_namespace_add_del_v4_reply_t_handler (
+ vl_api_app_namespace_add_del_v4_reply_t *mp)
+{
+}
+
+static int
+api_app_namespace_add_del_v4 (vat_main_t *vat)
+{
+ return -1;
+}
+
+static void
vl_api_app_namespace_add_del_v3_reply_t_handler (
vl_api_app_namespace_add_del_v3_reply_t *mp)
{