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authorFlorin Coras <fcoras@cisco.com>2019-02-20 19:48:31 -0800
committerDamjan Marion <dmarion@me.com>2019-02-21 12:27:11 +0000
commitdfae9f938f81480995a7ef20a63d016e57dd2899 (patch)
treeb54851bda6d1931b96c0d30f822bf5876b75bca9
parent565115edf0d6689a3f362c69240c160b49807156 (diff)
vcl/session: send unlisten over message queue
Change-Id: I68cd6c0e6be3e8088792df3885ae190bb00462b0 Signed-off-by: Florin Coras <fcoras@cisco.com>
-rw-r--r--src/vcl/vcl_bapi.c10
-rw-r--r--src/vcl/vcl_private.h18
-rw-r--r--src/vcl/vppcom.c35
-rw-r--r--src/vnet/session/application_interface.h9
-rwxr-xr-xsrc/vnet/session/session_api.c31
-rw-r--r--src/vnet/session/session_types.h1
6 files changed, 84 insertions, 20 deletions
diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c
index b7f47d8c579..f6274e02637 100644
--- a/src/vcl/vcl_bapi.c
+++ b/src/vcl/vcl_bapi.c
@@ -340,12 +340,11 @@ 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));
+ VDBG (0, "ERROR: sid %u: unbind failed: %U", mp->context,
+ format_api_error, ntohl (mp->retval));
+
+ VDBG (1, "sid %u: unbind succeeded!", mp->context);
- else
- VDBG (1, "VCL<%d>: sid %u: unbind succeeded!", getpid (), mp->context);
}
static void
@@ -605,6 +604,7 @@ vppcom_send_unbind_sock (vcl_worker_t * wrk, u64 vpp_handle)
ump->client_index = wrk->my_client_index;
ump->wrk_index = wrk->vpp_wrk_index;
ump->handle = vpp_handle;
+ ump->context = wrk->wrk_index;
vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & ump);
}
diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h
index f77d4479e41..28673bc7602 100644
--- a/src/vcl/vcl_private.h
+++ b/src/vcl/vcl_private.h
@@ -457,41 +457,35 @@ static inline void
vcl_session_table_add_listener (vcl_worker_t * wrk, 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 (wrk->session_index_by_vpp_handles, listener_handle, value);
}
static inline void
vcl_session_table_del_listener (vcl_worker_t * wrk, u64 listener_handle)
{
- listener_handle |= 1ULL << 63;
hash_unset (wrk->session_index_by_vpp_handles, listener_handle);
}
static inline vcl_session_t *
-vcl_session_table_lookup_listener (vcl_worker_t * wrk, u64 listener_handle)
+vcl_session_table_lookup_listener (vcl_worker_t * wrk, u64 handle)
{
uword *p;
- u64 handle = listener_handle | (1ULL << 63);
vcl_session_t *session;
p = hash_get (wrk->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);
+ VDBG (0, "could not find listen session: unknown vpp listener handle"
+ " %llx", handle);
return 0;
}
- if (pool_is_free_index (wrk->sessions, p[0]))
+ session = vcl_session_get (wrk, p[0]);
+ if (!session)
{
- VDBG (1, "VCL<%d>: invalid listen session, sid (%u)", getpid (), p[0]);
+ VDBG (1, "invalid listen session index (%u)", p[0]);
return 0;
}
- session = pool_elt_at_index (wrk->sessions, p[0]);
ASSERT (session->session_state & (STATE_LISTEN | STATE_LISTEN_NO_MQ));
return session;
}
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index eecb2f48ce2..cc7a27642a8 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -533,6 +533,30 @@ vcl_session_bound_handler (vcl_worker_t * wrk, session_bound_msg_t * mp)
return sid;
}
+static void
+vcl_session_unlisten_reply_handler (vcl_worker_t * wrk, void *data)
+{
+ session_unlisten_reply_msg_t *mp = (session_unlisten_reply_msg_t *) data;
+ vcl_session_t *s;
+
+ s = vcl_session_get_w_vpp_handle (wrk, mp->handle);
+ if (!s || s->session_state != STATE_DISCONNECT)
+ {
+ VDBG (0, "Unlisten reply with wrong handle %llx", mp->handle);
+ return;
+ }
+
+ if (mp->retval)
+ VDBG (0, "ERROR: session %u [0xllx]: unlisten failed: %U",
+ s->session_index, mp->handle, format_api_error, ntohl (mp->retval));
+
+ if (mp->context != wrk->wrk_index)
+ VDBG (0, "wrong context");
+
+ vcl_session_table_del_vpp_handle (wrk, mp->handle);
+ vcl_session_free (wrk, s);
+}
+
static vcl_session_t *
vcl_session_accepted (vcl_worker_t * wrk, session_accepted_msg_t * msg)
{
@@ -670,6 +694,9 @@ vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e)
case SESSION_CTRL_EVT_BOUND:
vcl_session_bound_handler (wrk, (session_bound_msg_t *) e->data);
break;
+ case SESSION_CTRL_EVT_UNLISTEN_REPLY:
+ vcl_session_unlisten_reply_handler (wrk, e->data);
+ break;
case SESSION_CTRL_EVT_REQ_WORKER_UPDATE:
vcl_session_req_worker_update_handler (wrk, e->data);
break;
@@ -821,7 +848,6 @@ vppcom_session_unbind (u32 session_handle)
return VPPCOM_EBADFD;
vpp_handle = session->vpp_handle;
- vcl_session_table_del_listener (wrk, vpp_handle);
session->vpp_handle = ~0;
session->session_state = STATE_DISCONNECT;
@@ -1079,6 +1105,7 @@ vcl_session_cleanup (vcl_worker_t * wrk, vcl_session_t * session,
VDBG (0, "session %u [0x%llx]: listener unbind failed! "
"rv %d (%s)", session->session_index, vpp_handle, rv,
vppcom_retval_str (rv));
+ return rv;
}
else if (state & STATE_OPEN)
{
@@ -1937,6 +1964,9 @@ vcl_select_handle_mq_event (vcl_worker_t * wrk, session_event_t * e,
*bits_set += 1;
}
break;
+ case SESSION_CTRL_EVT_UNLISTEN_REPLY:
+ vcl_session_unlisten_reply_handler (wrk, e->data);
+ break;
case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY:
vcl_session_worker_update_reply_handler (wrk, e->data);
break;
@@ -2558,6 +2588,9 @@ vcl_epoll_wait_handle_mq_event (vcl_worker_t * wrk, session_event_t * e,
events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP;
session_evt_data = session->vep.ev.data.u64;
break;
+ case SESSION_CTRL_EVT_UNLISTEN_REPLY:
+ vcl_session_unlisten_reply_handler (wrk, e->data);
+ break;
case SESSION_CTRL_EVT_REQ_WORKER_UPDATE:
vcl_session_req_worker_update_handler (wrk, e->data);
break;
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 18878cdf568..441b5f613a7 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -95,7 +95,7 @@ typedef struct _vnet_bind_args_t
u64 handle;
} vnet_listen_args_t;
-typedef struct _vnet_unbind_args_t
+typedef struct _vnet_unlisten_args_t
{
union
{
@@ -268,6 +268,13 @@ typedef struct session_bound_msg_
u8 segment_name[128];
} __clib_packed session_bound_msg_t;
+typedef struct session_unlisten_reply_msg_
+{
+ u32 context;
+ u64 handle;
+ i32 retval;
+} __clib_packed session_unlisten_reply_msg_t;
+
typedef struct session_accepted_msg_
{
u32 context;
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index 0285691182e..f28c12c7c29 100755
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -1248,7 +1248,8 @@ vl_api_unbind_sock_t_handler (vl_api_unbind_sock_t * mp)
{
vl_api_unbind_sock_reply_t *rmp;
vnet_unlisten_args_t _a, *a = &_a;
- application_t *app;
+ app_worker_t *app_wrk;
+ application_t *app = 0;
int rv = 0;
if (session_manager_is_enabled () == 0)
@@ -1269,6 +1270,34 @@ vl_api_unbind_sock_t_handler (vl_api_unbind_sock_t * mp)
done:
REPLY_MACRO (VL_API_UNBIND_SOCK_REPLY);
+
+ /*
+ * Send reply over msg queue
+ */
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_unlisten_reply_msg_t *ump;
+ svm_msg_q_t *app_mq;
+ session_event_t *evt;
+
+ if (!app)
+ return;
+
+ app_wrk = application_get_worker (app, a->wrk_map_index);
+ if (!app_wrk)
+ return;
+
+ app_mq = app_wrk->event_queue;
+ if (mq_try_lock_and_alloc_msg (app_mq, msg))
+ return;
+
+ evt = svm_msg_q_msg_data (app_mq, msg);
+ clib_memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY;
+ ump = (session_unlisten_reply_msg_t *) evt->data;
+ ump->context = mp->context;
+ ump->handle = mp->handle;
+ ump->retval = rv;
+ svm_msg_q_add_and_unlock (app_mq, msg);
}
static void
diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h
index efa3dea950c..97c915bbae2 100644
--- a/src/vnet/session/session_types.h
+++ b/src/vnet/session/session_types.h
@@ -392,6 +392,7 @@ typedef enum
FIFO_EVENT_BUILTIN_TX,
FIFO_EVENT_RPC,
SESSION_CTRL_EVT_BOUND,
+ SESSION_CTRL_EVT_UNLISTEN_REPLY,
SESSION_CTRL_EVT_ACCEPTED,
SESSION_CTRL_EVT_ACCEPTED_REPLY,
SESSION_CTRL_EVT_CONNECTED,