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)
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)
{
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)
{
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);
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)
{
continue;
}
svm_fifo_unset_event (rx_fifo);
- if (svm_fifo_is_empty (rx_fifo))
- {
- svm_msg_q_free_msg (mq, &msg);
- continue;
- }
svm_msg_q_free_msg (mq, &msg);
+ if (PREDICT_FALSE (s->session_state == STATE_CLOSE_ON_EMPTY))
+ return 0;
+ if (svm_fifo_is_empty (rx_fifo))
+ continue;
break;
}
}
rv = VPPCOM_EWOULDBLOCK;
goto done;
}
- while (1)
+ while (svm_fifo_is_full (tx_fifo))
{
svm_msg_q_lock (mq);
- if (!svm_fifo_is_full (tx_fifo))
- {
- svm_msg_q_unlock (mq);
- break;
- }
while (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 10e-6))
;
svm_msg_q_sub_w_lock (mq, &msg);
if (!vcl_is_tx_evt_for_session (e, session_index,
s->our_evt_q != 0))
- {
- vcl_handle_mq_ctrl_event (e);
- svm_msg_q_free_msg (mq, &msg);
- continue;
- }
- if (svm_fifo_is_full (tx_fifo))
- {
- svm_msg_q_free_msg (mq, &msg);
- continue;
- }
+ vcl_handle_mq_ctrl_event (e);
svm_msg_q_free_msg (mq, &msg);
- break;
}
}
case FIFO_EVENT_APP_RX:
sid = e->fifo->client_session_index;
session = vcl_session_get (sid);
- svm_fifo_unset_event (session->rx_fifo);
- if (svm_fifo_is_empty (session->rx_fifo))
- break;
if (sid < n_bits && read_map)
{
clib_bitmap_set_no_check (read_map, sid, 1);
case FIFO_EVENT_APP_TX:
sid = e->fifo->client_session_index;
session = vcl_session_get (sid);
- if (!session || svm_fifo_is_full (session->tx_fifo))
+ if (!session)
break;
if (sid < n_bits && write_map)
{
case SESSION_IO_EVT_CT_TX:
session = vcl_ct_session_get_from_fifo (e->fifo, 0);
sid = vcl_session_index (session);
- svm_fifo_unset_event (session->rx_fifo);
- if (svm_fifo_is_empty (session->rx_fifo))
- break;
if (sid < n_bits && read_map)
{
clib_bitmap_set_no_check (read_map, sid, 1);
case SESSION_IO_EVT_CT_RX:
session = vcl_ct_session_get_from_fifo (e->fifo, 1);
sid = vcl_session_index (session);
- if (!session || svm_fifo_is_full (session->tx_fifo))
+ if (!session)
break;
if (sid < n_bits && write_map)
{
*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;
}
else
{
- if (svm_msg_q_timedwait (mq, wait_for_time / 1e3) < 0)
+ if (svm_msg_q_timedwait (mq, wait_for_time / 1e3))
{
svm_msg_q_unlock (mq);
return 0;
session_events = session->vep.ev.events;
if (!(EPOLLIN & session->vep.ev.events))
break;
- svm_fifo_unset_event (session->rx_fifo);
- if (!svm_fifo_is_empty (session->rx_fifo))
- {
- add_event = 1;
- events[*num_ev].events |= EPOLLIN;
- session_evt_data = session->vep.ev.data.u64;
- }
+ add_event = 1;
+ events[*num_ev].events |= EPOLLIN;
+ session_evt_data = session->vep.ev.data.u64;
break;
case FIFO_EVENT_APP_TX:
sid = e->fifo->client_session_index;
session_events = session->vep.ev.events;
if (!(EPOLLOUT & session_events))
break;
- if (!svm_fifo_is_full (session->tx_fifo))
- {
- add_event = 1;
- events[*num_ev].events |= EPOLLOUT;
- session_evt_data = session->vep.ev.data.u64;
- }
+ add_event = 1;
+ events[*num_ev].events |= EPOLLOUT;
+ session_evt_data = session->vep.ev.data.u64;
break;
case SESSION_IO_EVT_CT_TX:
session = vcl_ct_session_get_from_fifo (e->fifo, 0);
session_events = session->vep.ev.events;
if (!(EPOLLIN & session->vep.ev.events))
break;
- svm_fifo_unset_event (session->rx_fifo);
- if (!svm_fifo_is_empty (session->rx_fifo))
- {
- add_event = 1;
- events[*num_ev].events |= EPOLLIN;
- session_evt_data = session->vep.ev.data.u64;
- }
+ add_event = 1;
+ events[*num_ev].events |= EPOLLIN;
+ session_evt_data = session->vep.ev.data.u64;
break;
case SESSION_IO_EVT_CT_RX:
session = vcl_ct_session_get_from_fifo (e->fifo, 1);
session_events = session->vep.ev.events;
if (!(EPOLLOUT & session_events))
break;
- if (!svm_fifo_is_full (session->tx_fifo))
- {
- add_event = 1;
- events[*num_ev].events |= EPOLLOUT;
- session_evt_data = session->vep.ev.data.u64;
- }
+ add_event = 1;
+ events[*num_ev].events |= EPOLLOUT;
+ session_evt_data = session->vep.ev.data.u64;
break;
case SESSION_CTRL_EVT_ACCEPTED:
accepted_msg = (session_accepted_msg_t *) e->data;
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);
Code Review / vpp.git / blobdiff