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-rw-r--r--src/vcl/vcl_bapi.c285
-rw-r--r--src/vcl/vppcom.c84
2 files changed, 73 insertions, 296 deletions
diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c
index e63696a0166..2b369fe0c72 100644
--- a/src/vcl/vcl_bapi.c
+++ b/src/vcl/vcl_bapi.c
@@ -147,16 +147,6 @@ vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
}
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)
{
ssvm_segment_type_t seg_type = SSVM_SEGMENT_SHM;
@@ -229,163 +219,6 @@ static void
}
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;
- vcl_session_t *session = 0;
- u32 session_index = p[0];
-
- VCL_SESSION_LOCK_AND_GET (session_index, &session);
- session->session_state = STATE_CLOSE_ON_EMPTY;
-
- VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: setting state to 0x%x "
- "(%s)", getpid (), mp->handle, session_index,
- session->session_state,
- vppcom_session_state_str (session->session_state));
- VCL_SESSION_UNLOCK ();
- return;
-
- done:
- VDBG (1, "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)
-{
- vcl_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;
- VCL_SESSION_LOCK ();
- 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->session_state = STATE_CLOSE_ON_EMPTY;
-
- VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: state set to %d "
- "(%s)!", getpid (), mp->handle, p[0], session->session_state,
- vppcom_session_state_str (session->session_state));
- }
- VCL_SESSION_UNLOCK ();
- }
- 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)
-{
- vcl_session_t *session = 0;
- u32 session_index;
- svm_fifo_t *rx_fifo, *tx_fifo;
- int rv = VPPCOM_OK;
-
- session_index = mp->context;
- VCL_SESSION_LOCK_AND_GET (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 (session)
- {
- session->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;
-
- /*
- * Setup session
- */
- if (vcm->session_io_thread.io_sessions_lockp)
- {
- // Add this connection to the active io sessions list
- VCL_IO_SESSIONS_LOCK ();
- u32 *active_session_index;
- pool_get (vcm->session_io_thread.active_session_indexes,
- active_session_index);
- *active_session_index = session_index;
- VCL_IO_SESSIONS_UNLOCK ();
- }
- session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_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->rx_fifo = rx_fifo;
- session->tx_fifo = tx_fifo;
- session->vpp_handle = mp->handle;
- session->transport.is_ip4 = mp->is_ip4;
- clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip,
- sizeof (session->transport.rmt_ip));
- session->transport.lcl_port = mp->lcl_port;
- session->session_state = STATE_CONNECT;
-
- /* Add it to lookup table */
- hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
-
- VDBG (1, "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->rx_fifo,
- session->rx_fifo->refcnt, session->tx_fifo, session->tx_fifo->refcnt);
-done_unlock:
- VCL_SESSION_UNLOCK ();
-}
-
-static void
vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
{
vcl_session_t *session = 0;
@@ -453,110 +286,10 @@ vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
VDBG (1, "VCL<%d>: sid %u: unbind succeeded!", getpid (), mp->context);
}
-static void
-vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
-{
- svm_fifo_t *rx_fifo, *tx_fifo;
- vcl_session_t *session, *listen_session;
- u32 session_index;
- vce_event_connect_request_t *ecr;
- vce_event_t *ev;
- int rv;
- u32 ev_idx;
- uword elts = 0;
-
- VCL_SESSION_LOCK ();
-
- VCL_ACCEPT_FIFO_LOCK ();
- elts = clib_fifo_free_elts (vcm->client_session_index_fifo);
- VCL_ACCEPT_FIFO_UNLOCK ();
-
- if (!elts)
- {
- clib_warning ("VCL<%d>: client session queue is full!", getpid ());
- vppcom_send_accept_session_reply (mp->handle, mp->context,
- VNET_API_ERROR_QUEUE_FULL);
- VCL_SESSION_UNLOCK ();
- 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);
- vppcom_send_accept_session_reply (mp->handle, mp->context,
- VNET_API_ERROR_INVALID_ARGUMENT);
- VCL_SESSION_UNLOCK ();
- return;
- }
-
- /* TODO check listener depth and update */
- /* TODO on "child" fd close, update listener depth */
-
- /* Allocate local session and set it up */
- pool_get (vcm->sessions, session);
- memset (session, 0, sizeof (*session));
- session_index = (u32) (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->rx_fifo = rx_fifo;
- session->tx_fifo = tx_fifo;
- session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_t *);
- session->session_state = STATE_ACCEPT;
- session->transport.rmt_port = mp->port;
- session->transport.is_ip4 = mp->is_ip4;
- clib_memcpy (&session->transport.rmt_ip, mp->ip, sizeof (ip46_address_t));
-
- /* Add it to lookup table */
- hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
- session->transport.lcl_port = listen_session->transport.lcl_port;
- session->transport.lcl_ip = listen_session->transport.lcl_ip;
-
- /* Create an event for handlers */
-
- VCL_EVENTS_LOCK ();
-
- pool_get (vcm->event_thread.vce_events, ev);
- ev_idx = (u32) (ev - vcm->event_thread.vce_events);
- ecr = vce_get_event_data (ev, sizeof (*ecr));
- ev->evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED;
- listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
- ev->evk.session_index = (u32) (listen_session - vcm->sessions);
- ecr->accepted_session_index = session_index;
-
- VCL_EVENTS_UNLOCK ();
-
- rv = vce_generate_event (&vcm->event_thread, ev_idx);
- ASSERT (rv == 0);
-
- VDBG (1, "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 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
- clib_net_to_host_u16 (mp->port), session->vpp_evt_q);
-
- vcl_evt (VCL_EVT_ACCEPT, session, listen_session, session_index);
- VCL_SESSION_UNLOCK ();
-}
-
#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_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) \
@@ -668,24 +401,6 @@ vppcom_send_connect_sock (vcl_session_t * session, u32 session_index)
}
void
-vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index,
- int rv)
-{
- vl_api_disconnect_session_reply_t *rmp;
-
- VDBG (1, "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);
-}
-
-void
vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
{
vl_api_disconnect_session_t *dmp;
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 29936aa5207..f95e72fc94e 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -248,6 +248,15 @@ vppcom_wait_for_app_state_change (app_state_t app_state)
return VPPCOM_ETIMEDOUT;
}
+static svm_msg_q_t *
+vcl_session_vpp_evt_q (vcl_session_t * s)
+{
+ if (vcl_session_is_ct (s))
+ return vcm->vpp_event_queues[0];
+ else
+ return vcm->vpp_event_queues[s->tx_fifo->master_thread_index];
+}
+
static void
vcl_send_session_accepted_reply (svm_msg_q_t * mq, u32 context,
session_handle_t handle, int retval)
@@ -277,6 +286,20 @@ vcl_send_session_disconnected_reply (svm_msg_q_t * mq, u32 context,
app_send_ctrl_evt_to_vpp (mq, app_evt);
}
+static void
+vcl_send_session_reset_reply (svm_msg_q_t * mq, u32 context,
+ session_handle_t handle, int retval)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_reset_reply_msg_t *rmp;
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_RESET_REPLY);
+ rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
+ rmp->handle = handle;
+ rmp->context = context;
+ rmp->retval = retval;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
static u32
vcl_session_accepted_handler (session_accepted_msg_t * mp)
{
@@ -442,6 +465,26 @@ done_unlock:
return session_index;
}
+static u32
+vcl_reset_handler (session_reset_msg_t * reset_msg)
+{
+ vcl_session_t *session;
+ u32 sid;
+
+ sid = vcl_session_get_index_from_handle (reset_msg->handle);
+ session = vcl_session_get (sid);
+ if (!session)
+ {
+ VDBG (0, "request to reset unknown handle 0x%llx", reset_msg->handle);
+ return VCL_INVALID_SESSION_INDEX;
+ }
+ session->session_state = STATE_CLOSE_ON_EMPTY;
+ VDBG (0, "reset handle 0x%llx, sid %u ", reset_msg->handle, sid);
+ vcl_send_session_reset_reply (vcl_session_vpp_evt_q (session),
+ vcm->my_client_index, reset_msg->handle, 0);
+ return sid;
+}
+
int
vcl_handle_mq_ctrl_event (session_event_t * e)
{
@@ -480,8 +523,18 @@ vcl_handle_mq_ctrl_event (session_event_t * e)
disconnected_msg = (session_disconnected_msg_t *) e->data;
sid = vcl_session_get_index_from_handle (disconnected_msg->handle);
session = vcl_session_get (sid);
+ if (!session)
+ {
+ VDBG (0, "request to disconnect unknown handle 0x%llx",
+ disconnected_msg->handle);
+ break;
+ }
session->session_state = STATE_DISCONNECT;
- VDBG (0, "disconnected %u", sid);
+ VDBG (0, "disconnected handle 0xllx, sid %u", disconnected_msg->handle,
+ sid);
+ break;
+ case SESSION_CTRL_EVT_RESET:
+ vcl_reset_handler ((session_reset_msg_t *) e->data);
break;
default:
clib_warning ("unhandled %u", e->event_type);
@@ -598,15 +651,6 @@ done:
return rv;
}
-static svm_msg_q_t *
-vcl_session_vpp_evt_q (vcl_session_t * s)
-{
- if (vcl_session_is_ct (s))
- return vcm->vpp_event_queues[0];
- else
- return vcm->vpp_event_queues[s->tx_fifo->master_thread_index];
-}
-
static int
vppcom_session_disconnect (u32 session_index)
{
@@ -1735,6 +1779,14 @@ vcl_select_handle_mq (svm_msg_q_t * mq, unsigned long n_bits,
*bits_set += 1;
}
break;
+ case SESSION_CTRL_EVT_RESET:
+ sid = vcl_reset_handler ((session_reset_msg_t *) e->data);
+ if (sid < n_bits && except_map)
+ {
+ clib_bitmap_set_no_check (except_map, sid, 1);
+ *bits_set += 1;
+ }
+ break;
default:
clib_warning ("unhandled: %u", e->event_type);
break;
@@ -2343,13 +2395,23 @@ vcl_epoll_wait_handle_mq (svm_msg_q_t * mq, struct epoll_event *events,
disconnected_msg = (session_disconnected_msg_t *) e->data;
sid = vcl_session_get_index_from_handle (disconnected_msg->handle);
clib_spinlock_lock (&vcm->sessions_lockp);
- session = vcl_session_get (sid);
+ if (!(session = vcl_session_get (sid)))
+ break;
add_event = 1;
events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP;
session_evt_data = session->vep.ev.data.u64;
session_events = session->vep.ev.events;
clib_spinlock_unlock (&vcm->sessions_lockp);
break;
+ case SESSION_CTRL_EVT_RESET:
+ sid = vcl_reset_handler ((session_reset_msg_t *) e->data);
+ if (!(session = vcl_session_get (sid)))
+ break;
+ add_event = 1;
+ events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP;
+ session_evt_data = session->vep.ev.data.u64;
+ session_events = session->vep.ev.events;
+ break;
default:
clib_warning ("unhandled: %u", e->event_type);
svm_msg_q_free_msg (mq, msg);