/* Add to the main lookup table */
value = stream_session_handle (s);
- stream_session_table_add_for_tc (tc, value);
+ session_lookup_add_connection (tc, value);
*ret_s = s;
stream_session_t *s;
int enqueued = 0, rv, in_order_off;
- s = stream_session_get (tc->s_index, tc->thread_index);
+ s = session_get (tc->s_index, tc->thread_index);
if (is_in_order)
{
}
}
- if (is_in_order)
- return enqueued;
-
- return 0;
+ return enqueued;
}
/** Check if we have space in rx fifo to push more bytes */
stream_session_no_space (transport_connection_t * tc, u32 thread_index,
u16 data_len)
{
- stream_session_t *s = stream_session_get (tc->s_index, thread_index);
+ stream_session_t *s = session_get (tc->s_index, thread_index);
if (PREDICT_FALSE (s->session_state != SESSION_STATE_READY))
return 1;
u32
stream_session_tx_fifo_max_dequeue (transport_connection_t * tc)
{
- stream_session_t *s = stream_session_get (tc->s_index, tc->thread_index);
+ stream_session_t *s = session_get (tc->s_index, tc->thread_index);
if (!s->server_tx_fifo)
return 0;
return svm_fifo_max_dequeue (s->server_tx_fifo);
stream_session_peek_bytes (transport_connection_t * tc, u8 * buffer,
u32 offset, u32 max_bytes)
{
- stream_session_t *s = stream_session_get (tc->s_index, tc->thread_index);
+ stream_session_t *s = session_get (tc->s_index, tc->thread_index);
return svm_fifo_peek (s->server_tx_fifo, offset, max_bytes, buffer);
}
u32
stream_session_dequeue_drop (transport_connection_t * tc, u32 max_bytes)
{
- stream_session_t *s = stream_session_get (tc->s_index, tc->thread_index);
+ stream_session_t *s = session_get (tc->s_index, tc->thread_index);
return svm_fifo_dequeue_drop (s->server_tx_fifo, max_bytes);
}
u32 rx_pointer, u32 tx_pointer)
{
stream_session_t *s;
- s = stream_session_get (tc->s_index, tc->thread_index);
+ s = session_get (tc->s_index, tc->thread_index);
svm_fifo_init_pointers (s->server_rx_fifo, rx_pointer);
svm_fifo_init_pointers (s->server_tx_fifo, tx_pointer);
}
u64 handle;
u32 opaque = 0;
int error = 0;
- u8 st;
- st = session_type_from_proto_and_ip (tc->transport_proto, tc->is_ip4);
- handle = stream_session_half_open_lookup_handle (&tc->lcl_ip, &tc->rmt_ip,
- tc->lcl_port, tc->rmt_port,
- st);
+ handle = session_lookup_half_open_handle (tc);
if (handle == HALF_OPEN_LOOKUP_INVALID_VALUE)
{
- clib_warning ("This can't be good!");
+ SESSION_DBG ("half-open was removed!");
return -1;
}
+ /* Cleanup half-open table */
+ session_lookup_del_half_open (tc);
+
/* Get the app's index from the handle we stored when opening connection
* and the opaque (api_context for external apps) from transport session
- * index*/
+ * index */
app = application_get_if_valid (handle >> 32);
if (!app)
return -1;
if (app->cb_fns.session_connected_callback (app->index, opaque, new_s,
is_fail))
{
- clib_warning ("failed to notify app");
+ SESSION_DBG ("failed to notify app");
if (!is_fail)
stream_session_disconnect (new_s);
}
new_s->session_state = SESSION_STATE_READY;
}
- /* Cleanup session lookup */
- stream_session_half_open_table_del (tc);
-
return error;
}
application_t *server;
stream_session_t *s;
- s = stream_session_get (tc->s_index, tc->thread_index);
+ s = session_get (tc->s_index, tc->thread_index);
server = application_get (s->app_index);
server->cb_fns.session_accept_callback (s);
}
application_t *server;
stream_session_t *s;
- s = stream_session_get (tc->s_index, tc->thread_index);
+ s = session_get (tc->s_index, tc->thread_index);
server = application_get (s->app_index);
server->cb_fns.session_disconnect_callback (s);
}
/**
- * Cleans up session and associated app if needed.
+ * Cleans up session and lookup table.
*/
void
stream_session_delete (stream_session_t * s)
int rv;
/* Delete from the main lookup table. */
- if ((rv = stream_session_table_del (s)))
+ if ((rv = session_lookup_del_session (s)))
clib_warning ("hash delete error, rv %d", rv);
/* Cleanup fifo segments */
/**
* Notification from transport that connection is being deleted
*
- * This should be called only on previously fully established sessions. For
- * instance failed connects should call stream_session_connect_notify and
- * indicate that the connect has failed.
+ * This removes the session if it is still valid. It should be called only on
+ * previously fully established sessions. For instance failed connects should
+ * call stream_session_connect_notify and indicate that the connect has
+ * failed.
*/
void
stream_session_delete_notify (transport_connection_t * tc)
{
stream_session_t *s;
application_t *app;
- s = stream_session_get (tc->s_index, tc->thread_index);
+ s = session_get (tc->s_index, tc->thread_index);
app = application_get (s->app_index);
app->cb_fns.session_reset_callback (s);
*/
int
stream_session_accept (transport_connection_t * tc, u32 listener_index,
- u8 sst, u8 notify)
+ u8 notify)
{
application_t *server;
stream_session_t *s, *listener;
segment_manager_t *sm;
-
+ session_type_t sst;
int rv;
+ sst = session_type_from_proto_and_ip (tc->transport_proto, tc->is_ip4);
+
/* Find the server */
listener = listen_session_get (sst, listener_index);
server = application_get (listener->app_index);
* @param res Resulting transport connection .
*/
int
-stream_session_open (u32 app_index, session_type_t st,
- transport_endpoint_t * rmt,
+stream_session_open (u32 app_index, session_endpoint_t * rmt,
transport_connection_t ** res)
{
transport_connection_t *tc;
+ session_type_t sst;
int rv;
u64 handle;
- rv = tp_vfts[st].open (rmt);
+ sst = session_type_from_proto_and_ip (rmt->transport_proto, rmt->is_ip4);
+ rv = tp_vfts[sst].open (session_endpoint_to_transport (rmt));
if (rv < 0)
{
clib_warning ("Transport failed to open connection.");
- return VNET_API_ERROR_SESSION_CONNECT_FAIL;
+ return VNET_API_ERROR_SESSION_CONNECT;
}
- tc = tp_vfts[st].get_half_open ((u32) rv);
+ tc = tp_vfts[sst].get_half_open ((u32) rv);
/* Save app and tc index. The latter is needed to help establish the
* connection while the former is needed when the connect notify comes
handle = (((u64) app_index) << 32) | (u64) tc->c_index;
/* Add to the half-open lookup table */
- stream_session_half_open_table_add (tc, handle);
+ session_lookup_add_half_open (tc, handle);
*res = tc;
* @param tep Local endpoint to be listened on.
*/
int
-stream_session_listen (stream_session_t * s, transport_endpoint_t * tep)
+stream_session_listen (stream_session_t * s, session_endpoint_t * tep)
{
transport_connection_t *tc;
u32 tci;
/* Transport bind/listen */
- tci = tp_vfts[s->session_type].bind (s->session_index, tep);
+ tci = tp_vfts[s->session_type].bind (s->session_index,
+ session_endpoint_to_transport (tep));
if (tci == (u32) ~ 0)
return -1;
return -1;
/* Add to the main lookup table */
- stream_session_table_add_for_tc (tc, s->session_index);
+ session_lookup_add_connection (tc, s->session_index);
return 0;
}
return VNET_API_ERROR_ADDRESS_NOT_IN_USE;
}
- stream_session_table_del_for_tc (tc);
+ session_lookup_del_connection (tc);
tp_vfts[s->session_type].unbind (s->connection_index);
return 0;
}
u32 thread_index)
{
static u16 serial_number = 0;
+ u32 tries = 0;
session_fifo_event_t evt;
unix_shared_memory_queue_t *q;
evt.event_id = serial_number++;
q = session_manager_get_vpp_event_queue (thread_index);
-
- /* Based on request block (or not) for lack of space */
- if (PREDICT_TRUE (q->cursize < q->maxsize))
+ while (unix_shared_memory_queue_add (q, (u8 *) & evt, 1))
{
- if (unix_shared_memory_queue_add (q, (u8 *) & evt,
- 1 /* do wait for mutex */ ))
+ if (tries++ == 3)
{
- clib_warning ("failed to enqueue evt");
+ TCP_DBG ("failed to enqueue evt");
+ break;
}
}
- else
- {
- clib_warning ("queue full");
- return;
- }
}
/**
s->session_state = SESSION_STATE_CLOSED;
/* Delete from the main lookup table to avoid more enqueues */
- rv = stream_session_table_del (s);
+ rv = session_lookup_del_session (s);
if (rv)
clib_warning ("hash delete error, rv %d", rv);
return SESSION_N_TYPES;
}
+int
+listen_session_get_local_session_endpoint (stream_session_t * listener,
+ session_endpoint_t * sep)
+{
+ transport_connection_t *tc;
+ tc =
+ tp_vfts[listener->session_type].get_listener (listener->connection_index);
+ if (!tc)
+ {
+ clib_warning ("no transport");
+ return -1;
+ }
+
+ /* N.B. The ip should not be copied because this is the local endpoint */
+ sep->port = tc->lcl_port;
+ sep->transport_proto = tc->transport_proto;
+ sep->is_ip4 = tc->is_ip4;
+ return 0;
+}
+
static clib_error_t *
session_manager_main_enable (vlib_main_t * vm)
{
session_vpp_event_queue_allocate (smm, i);
/* Preallocate sessions */
- if (num_threads == 1)
+ if (smm->preallocated_sessions)
{
- for (i = 0; i < smm->preallocated_sessions; i++)
+ if (num_threads == 1)
{
- stream_session_t *ss __attribute__ ((unused));
- pool_get_aligned (smm->sessions[0], ss, CLIB_CACHE_LINE_BYTES);
+ pool_init_fixed (smm->sessions[0], smm->preallocated_sessions);
}
-
- for (i = 0; i < smm->preallocated_sessions; i++)
- pool_put_index (smm->sessions[0], i);
- }
- else
- {
- int j;
- preallocated_sessions_per_worker = smm->preallocated_sessions /
- (num_threads - 1);
-
- for (j = 1; j < num_threads; j++)
+ else
{
- for (i = 0; i < preallocated_sessions_per_worker; i++)
+ int j;
+ preallocated_sessions_per_worker =
+ (1.1 * (f64) smm->preallocated_sessions /
+ (f64) (num_threads - 1));
+
+ for (j = 1; j < num_threads; j++)
{
- stream_session_t *ss __attribute__ ((unused));
- pool_get_aligned (smm->sessions[j], ss, CLIB_CACHE_LINE_BYTES);
+ pool_init_fixed (smm->sessions[j],
+ preallocated_sessions_per_worker);
}
- for (i = 0; i < preallocated_sessions_per_worker; i++)
- pool_put_index (smm->sessions[j], i);
}
}
session_lookup_init ();
+ app_namespaces_init ();
smm->is_enabled = 1;
clib_error_t *
vnet_session_enable_disable (vlib_main_t * vm, u8 is_en)
{
+ clib_error_t *error = 0;
if (is_en)
{
if (session_manager_main.is_enabled)
return 0;
session_node_enable_disable (is_en);
-
- return session_manager_main_enable (vm);
+ error = session_manager_main_enable (vm);
}
else
{
session_node_enable_disable (is_en);
}
- return 0;
+ return error;
}
clib_error_t *