/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this
* You may obtain a copy of the License at:
#include <stdio.h>
#include <stdlib.h>
-#include <svm/svm_fifo_segment.h>
#include <vcl/vppcom.h>
#include <vcl/vcl_debug.h>
#include <vcl/vcl_private.h>
+#include <svm/fifo_segment.h>
__thread uword __vcl_worker_index = ~0;
-
static int
-vcl_wait_for_segment (u64 segment_handle)
+vcl_segment_is_not_mounted (vcl_worker_t * wrk, u64 segment_handle)
{
- vcl_worker_t *wrk = vcl_worker_get_current ();
- u32 wait_for_seconds = 10, segment_index;
- f64 timeout;
+ u32 segment_index;
if (segment_handle == VCL_INVALID_SEGMENT_HANDLE)
- return 1;
+ return 0;
+
+ segment_index = vcl_segment_table_lookup (segment_handle);
+ if (segment_index != VCL_INVALID_SEGMENT_INDEX)
+ return 0;
+
+ return 1;
+}
+
+static inline int
+vcl_mq_dequeue_batch (vcl_worker_t * wrk, svm_msg_q_t * mq, u32 n_max_msg)
+{
+ svm_msg_q_msg_t *msg;
+ u32 n_msgs;
+ int i;
- timeout = clib_time_now (&wrk->clib_time) + wait_for_seconds;
- while (clib_time_now (&wrk->clib_time) < timeout)
+ n_msgs = clib_min (svm_msg_q_size (mq), n_max_msg);
+ for (i = 0; i < n_msgs; i++)
{
- segment_index = vcl_segment_table_lookup (segment_handle);
- if (segment_index != VCL_INVALID_SEGMENT_INDEX)
- return 0;
- usleep (10);
+ vec_add2 (wrk->mq_msg_vector, msg, 1);
+ svm_msg_q_sub_w_lock (mq, msg);
}
- return 1;
+ return n_msgs;
}
const char *
-vppcom_session_state_str (session_state_t state)
+vppcom_session_state_str (vcl_session_state_t state)
{
char *st;
switch (state)
{
- case STATE_START:
- st = "STATE_START";
+ case STATE_CLOSED:
+ st = "STATE_CLOSED";
break;
case STATE_CONNECT:
st = "STATE_ACCEPT";
break;
- case STATE_CLOSE_ON_EMPTY:
- st = "STATE_CLOSE_ON_EMPTY";
+ case STATE_VPP_CLOSING:
+ st = "STATE_VPP_CLOSING";
break;
case STATE_DISCONNECT:
st = "STATE_DISCONNECT";
break;
- case STATE_FAILED:
- st = "STATE_FAILED";
+ case STATE_DETACHED:
+ st = "STATE_DETACHED";
+ break;
+
+ case STATE_UPDATED:
+ st = "STATE_UPDATED";
+ break;
+
+ case STATE_LISTEN_NO_MQ:
+ st = "STATE_LISTEN_NO_MQ";
break;
default:
* VPPCOM Utility Functions
*/
+static void
+vcl_send_session_listen (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_listen_msg_t *mp;
+ svm_msg_q_t *mq;
-static svm_msg_q_t *
-vcl_session_vpp_evt_q (vcl_worker_t * wrk, vcl_session_t * s)
+ mq = vcl_worker_ctrl_mq (wrk);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_LISTEN);
+ mp = (session_listen_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ mp->context = s->session_index;
+ mp->wrk_index = wrk->vpp_wrk_index;
+ mp->is_ip4 = s->transport.is_ip4;
+ clib_memcpy_fast (&mp->ip, &s->transport.lcl_ip, sizeof (mp->ip));
+ mp->port = s->transport.lcl_port;
+ mp->proto = s->session_type;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+static void
+vcl_send_session_connect (vcl_worker_t * wrk, vcl_session_t * s)
{
- if (vcl_session_is_ct (s))
- return wrk->vpp_event_queues[0];
- else
- return wrk->vpp_event_queues[s->tx_fifo->master_thread_index];
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_connect_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ mq = vcl_worker_ctrl_mq (wrk);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_CONNECT);
+ mp = (session_connect_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ mp->context = s->session_index;
+ mp->wrk_index = wrk->vpp_wrk_index;
+ mp->is_ip4 = s->transport.is_ip4;
+ mp->parent_handle = s->parent_handle;
+ clib_memcpy_fast (&mp->ip, &s->transport.rmt_ip, sizeof (mp->ip));
+ clib_memcpy_fast (&mp->lcl_ip, &s->transport.lcl_ip, sizeof (mp->lcl_ip));
+ mp->port = s->transport.rmt_port;
+ mp->proto = s->session_type;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+void
+vcl_send_session_unlisten (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_unlisten_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ mq = vcl_worker_ctrl_mq (wrk);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_UNLISTEN);
+ mp = (session_unlisten_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ mp->wrk_index = wrk->vpp_wrk_index;
+ mp->handle = s->vpp_handle;
+ mp->context = wrk->wrk_index;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+static void
+vcl_send_session_disconnect (vcl_worker_t * wrk, vcl_session_t * s)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_disconnect_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ /* Send to thread that owns the session */
+ mq = s->vpp_evt_q;
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_DISCONNECT);
+ mp = (session_disconnect_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ mp->handle = s->vpp_handle;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
+static void
+vcl_send_app_detach (vcl_worker_t * wrk)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_app_detach_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ mq = vcl_worker_ctrl_mq (wrk);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_APP_DETACH);
+ mp = (session_app_detach_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->my_client_index;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
}
static void
app_send_ctrl_evt_to_vpp (mq, app_evt);
}
+void
+vcl_send_session_worker_update (vcl_worker_t * wrk, vcl_session_t * s,
+ u32 wrk_index)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_worker_update_msg_t *mp;
+ svm_msg_q_t *mq;
+
+ mq = vcl_session_vpp_evt_q (wrk, s);
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_WORKER_UPDATE);
+ mp = (session_worker_update_msg_t *) app_evt->evt->data;
+ mp->client_index = wrk->my_client_index;
+ mp->handle = s->vpp_handle;
+ mp->req_wrk_index = wrk->vpp_wrk_index;
+ mp->wrk_index = wrk_index;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+}
+
static u32
-vcl_session_accepted_handler (vcl_worker_t * wrk, session_accepted_msg_t * mp)
+vcl_session_accepted_handler (vcl_worker_t * wrk, session_accepted_msg_t * mp,
+ u32 ls_index)
{
vcl_session_t *session, *listen_session;
svm_fifo_t *rx_fifo, *tx_fifo;
session = vcl_session_alloc (wrk);
- listen_session = vcl_session_table_lookup_listener (wrk,
- mp->listener_handle);
- if (!listen_session)
+ listen_session = vcl_session_get (wrk, ls_index);
+ if (listen_session->vpp_handle != mp->listener_handle)
{
- svm_msg_q_t *evt_q;
- evt_q = uword_to_pointer (mp->vpp_event_queue_address, svm_msg_q_t *);
- clib_warning ("VCL<%d>: ERROR: couldn't find listen session: "
- "unknown vpp listener handle %llx",
- getpid (), mp->listener_handle);
- vcl_send_session_accepted_reply (evt_q, mp->context, mp->handle,
- VNET_API_ERROR_INVALID_ARGUMENT);
- vcl_session_free (wrk, session);
- return VCL_INVALID_SESSION_INDEX;
+ VDBG (0, "ERROR: listener handle %lu does not match session %u",
+ mp->listener_handle, ls_index);
+ goto error;
}
- rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
- tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
-
- if (mp->server_event_queue_address)
+ if (vcl_segment_is_not_mounted (wrk, mp->segment_handle))
{
- session->vpp_evt_q = uword_to_pointer (mp->client_event_queue_address,
- svm_msg_q_t *);
- session->our_evt_q = uword_to_pointer (mp->server_event_queue_address,
- svm_msg_q_t *);
- if (vcl_wait_for_segment (mp->segment_handle))
- {
- clib_warning ("segment for session %u couldn't be mounted!",
- session->session_index);
- return VCL_INVALID_SESSION_INDEX;
- }
- rx_fifo->master_session_index = session->session_index;
- tx_fifo->master_session_index = session->session_index;
- rx_fifo->master_thread_index = vcl_get_worker_index ();
- tx_fifo->master_thread_index = vcl_get_worker_index ();
- vec_validate (wrk->vpp_event_queues, 0);
- evt_q = uword_to_pointer (mp->vpp_event_queue_address, svm_msg_q_t *);
- wrk->vpp_event_queues[0] = evt_q;
- }
- else
- {
- session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_t *);
- rx_fifo->client_session_index = session->session_index;
- tx_fifo->client_session_index = session->session_index;
- rx_fifo->client_thread_index = vcl_get_worker_index ();
- tx_fifo->client_thread_index = vcl_get_worker_index ();
- vpp_wrk_index = tx_fifo->master_thread_index;
- vec_validate (wrk->vpp_event_queues, vpp_wrk_index);
- wrk->vpp_event_queues[vpp_wrk_index] = session->vpp_evt_q;
+ VDBG (0, "ERROR: segment for session %u is not mounted!",
+ session->session_index);
+ goto error;
}
+ rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
+ tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
+ session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
+ svm_msg_q_t *);
+ rx_fifo->client_session_index = session->session_index;
+ tx_fifo->client_session_index = session->session_index;
+ rx_fifo->client_thread_index = vcl_get_worker_index ();
+ tx_fifo->client_thread_index = vcl_get_worker_index ();
+ vpp_wrk_index = tx_fifo->master_thread_index;
+ vec_validate (wrk->vpp_event_queues, vpp_wrk_index);
+ wrk->vpp_event_queues[vpp_wrk_index] = session->vpp_evt_q;
+
session->vpp_handle = mp->handle;
- session->client_context = mp->context;
+ session->vpp_thread_index = rx_fifo->master_thread_index;
session->rx_fifo = rx_fifo;
session->tx_fifo = tx_fifo;
session->session_state = STATE_ACCEPT;
- session->transport.rmt_port = mp->port;
- session->transport.is_ip4 = mp->is_ip4;
- clib_memcpy_fast (&session->transport.rmt_ip, mp->ip,
+ session->transport.rmt_port = mp->rmt.port;
+ session->transport.is_ip4 = mp->rmt.is_ip4;
+ clib_memcpy_fast (&session->transport.rmt_ip, &mp->rmt.ip,
sizeof (ip46_address_t));
vcl_session_table_add_vpp_handle (wrk, mp->handle, session->session_index);
session->transport.lcl_port = listen_session->transport.lcl_port;
session->transport.lcl_ip = listen_session->transport.lcl_ip;
session->session_type = listen_session->session_type;
- session->is_dgram = session->session_type == VPPCOM_PROTO_UDP;
-
- 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->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);
+ session->is_dgram = vcl_proto_is_dgram (session->session_type);
+ session->listener_index = listen_session->session_index;
+ listen_session->n_accepted_sessions++;
+
+ VDBG (1, "session %u [0x%llx]: client accept request from %s address %U"
+ " port %d queue %p!", session->session_index, mp->handle,
+ mp->rmt.is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &mp->rmt.ip,
+ mp->rmt.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (mp->rmt.port), session->vpp_evt_q);
vcl_evt (VCL_EVT_ACCEPT, session, listen_session, session_index);
+ vcl_send_session_accepted_reply (session->vpp_evt_q, mp->context,
+ session->vpp_handle, 0);
+
return session->session_index;
+
+error:
+ evt_q = uword_to_pointer (mp->vpp_event_queue_address, svm_msg_q_t *);
+ vcl_send_session_accepted_reply (evt_q, mp->context, mp->handle,
+ VNET_API_ERROR_INVALID_ARGUMENT);
+ vcl_session_free (wrk, session);
+ return VCL_INVALID_SESSION_INDEX;
}
static u32
u32 session_index, vpp_wrk_index;
svm_fifo_t *rx_fifo, *tx_fifo;
vcl_session_t *session = 0;
- svm_msg_q_t *evt_q;
session_index = mp->context;
session = vcl_session_get (wrk, session_index);
if (!session)
{
- clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
- "Invalid session index (%u)!",
- getpid (), mp->handle, session_index);
+ VDBG (0, "ERROR: vpp handle 0x%llx has no session index (%u)!",
+ mp->handle, session_index);
return VCL_INVALID_SESSION_INDEX;
}
if (mp->retval)
{
- clib_warning ("VCL<%d>: ERROR: sid %u: connect failed! %U", getpid (),
- session_index, format_api_error, ntohl (mp->retval));
- session->session_state = STATE_FAILED;
+ VDBG (0, "ERROR: session index %u: connect failed! %U",
+ session_index, format_api_error, ntohl (mp->retval));
+ session->session_state = STATE_DETACHED | STATE_DISCONNECT;
session->vpp_handle = mp->handle;
return session_index;
}
+ session->vpp_handle = mp->handle;
+ 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 *);
tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
- if (vcl_wait_for_segment (mp->segment_handle))
+ if (vcl_segment_is_not_mounted (wrk, mp->segment_handle))
{
- clib_warning ("segment for session %u couldn't be mounted!",
- session->session_index);
- return VCL_INVALID_SESSION_INDEX;
+ VDBG (0, "segment for session %u is not mounted!",
+ session->session_index);
+ session->session_state = STATE_DETACHED | STATE_DISCONNECT;
+ vcl_send_session_disconnect (wrk, session);
+ return session_index;
}
rx_fifo->client_session_index = session_index;
rx_fifo->client_thread_index = vcl_get_worker_index ();
tx_fifo->client_thread_index = vcl_get_worker_index ();
- if (mp->client_event_queue_address)
- {
- session->vpp_evt_q = uword_to_pointer (mp->server_event_queue_address,
- svm_msg_q_t *);
- session->our_evt_q = uword_to_pointer (mp->client_event_queue_address,
- svm_msg_q_t *);
+ vpp_wrk_index = tx_fifo->master_thread_index;
+ vec_validate (wrk->vpp_event_queues, vpp_wrk_index);
+ wrk->vpp_event_queues[vpp_wrk_index] = session->vpp_evt_q;
- vec_validate (wrk->vpp_event_queues, 0);
- evt_q = uword_to_pointer (mp->vpp_event_queue_address, svm_msg_q_t *);
- wrk->vpp_event_queues[0] = evt_q;
- }
- else
+ if (mp->ct_rx_fifo)
{
- session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
- svm_msg_q_t *);
- vpp_wrk_index = tx_fifo->master_thread_index;
- vec_validate (wrk->vpp_event_queues, vpp_wrk_index);
- wrk->vpp_event_queues[vpp_wrk_index] = session->vpp_evt_q;
+ session->ct_rx_fifo = uword_to_pointer (mp->ct_rx_fifo, svm_fifo_t *);
+ session->ct_tx_fifo = uword_to_pointer (mp->ct_tx_fifo, svm_fifo_t *);
+ if (vcl_segment_is_not_mounted (wrk, mp->ct_segment_handle))
+ {
+ VDBG (0, "ct segment for session %u is not mounted!",
+ session->session_index);
+ session->session_state = STATE_DETACHED | STATE_DISCONNECT;
+ vcl_send_session_disconnect (wrk, session);
+ return 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_fast (&session->transport.lcl_ip, mp->lcl_ip,
+ session->vpp_thread_index = rx_fifo->master_thread_index;
+ session->transport.is_ip4 = mp->lcl.is_ip4;
+ clib_memcpy_fast (&session->transport.lcl_ip, &mp->lcl.ip,
sizeof (session->transport.lcl_ip));
- session->transport.lcl_port = mp->lcl_port;
+ session->transport.lcl_port = mp->lcl.port;
session->session_state = STATE_CONNECT;
/* Add it to lookup table */
- hash_set (wrk->session_index_by_vpp_handles, mp->handle, session_index);
+ vcl_session_table_add_vpp_handle (wrk, 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,
+ VDBG (1, "session %u [0x%llx] connected! rx_fifo %p, refcnt %d, tx_fifo %p,"
+ " refcnt %d", session_index, mp->handle, session->rx_fifo,
session->rx_fifo->refcnt, session->tx_fifo, session->tx_fifo->refcnt);
return session_index;
}
+static int
+vcl_flag_accepted_session (vcl_session_t * session, u64 handle, u32 flags)
+{
+ vcl_session_msg_t *accepted_msg;
+ int i;
+
+ for (i = 0; i < vec_len (session->accept_evts_fifo); i++)
+ {
+ accepted_msg = &session->accept_evts_fifo[i];
+ if (accepted_msg->accepted_msg.handle == handle)
+ {
+ accepted_msg->flags |= flags;
+ return 1;
+ }
+ }
+ return 0;
+}
+
static u32
vcl_session_reset_handler (vcl_worker_t * wrk,
session_reset_msg_t * reset_msg)
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 (wrk, session),
- wrk->my_client_index, reset_msg->handle, 0);
+
+ /* Caught a reset before actually accepting the session */
+ if (session->session_state == STATE_LISTEN)
+ {
+
+ if (!vcl_flag_accepted_session (session, reset_msg->handle,
+ VCL_ACCEPTED_F_RESET))
+ VDBG (0, "session was not accepted!");
+ return VCL_INVALID_SESSION_INDEX;
+ }
+
+ session->session_state = STATE_DISCONNECT;
+ VDBG (0, "reset session %u [0x%llx]", sid, reset_msg->handle);
return sid;
}
session = vcl_session_get (wrk, sid);
if (mp->retval)
{
- VERR ("vpp handle 0x%llx, sid %u: bind failed: %U", mp->handle, sid,
+ VERR ("session %u [0x%llx]: bind failed: %U", sid, mp->handle,
format_api_error, mp->retval);
if (session)
{
- session->session_state = STATE_FAILED;
+ session->session_state = STATE_DETACHED;
session->vpp_handle = mp->handle;
return sid;
}
else
{
- clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
- "Invalid session index (%u)!",
- getpid (), mp->handle, sid);
+ VDBG (0, "ERROR: session %u [0x%llx]: Invalid session index!",
+ sid, mp->handle);
return VCL_INVALID_SESSION_INDEX;
}
}
vcl_session_table_add_listener (wrk, mp->handle, sid);
session->session_state = STATE_LISTEN;
- if (session->is_dgram)
+ session->vpp_evt_q = uword_to_pointer (mp->vpp_evt_q, svm_msg_q_t *);
+ vec_validate (wrk->vpp_event_queues, 0);
+ wrk->vpp_event_queues[0] = session->vpp_evt_q;
+
+ if (vcl_session_is_cl (session))
{
svm_fifo_t *rx_fifo, *tx_fifo;
session->vpp_evt_q = uword_to_pointer (mp->vpp_evt_q, svm_msg_q_t *);
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 void
+vcl_session_migrated_handler (vcl_worker_t * wrk, void *data)
+{
+ session_migrated_msg_t *mp = (session_migrated_msg_t *) data;
+ vcl_session_t *s;
+
+ s = vcl_session_get_w_vpp_handle (wrk, mp->handle);
+ if (!s)
+ {
+ VDBG (0, "Migrated notification with wrong handle %llx", mp->handle);
+ return;
+ }
+
+ s->vpp_thread_index = mp->vpp_thread_index;
+ s->vpp_evt_q = uword_to_pointer (mp->vpp_evt_q, svm_msg_q_t *);
+
+ vec_validate (wrk->vpp_event_queues, s->vpp_thread_index);
+ wrk->vpp_event_queues[s->vpp_thread_index] = s->vpp_evt_q;
+
+ vcl_session_table_del_vpp_handle (wrk, mp->handle);
+ vcl_session_table_add_vpp_handle (wrk, mp->new_handle, s->session_index);
+
+ /* Generate new tx event if we have outstanding data */
+ if (svm_fifo_has_event (s->tx_fifo))
+ app_send_io_evt_to_vpp (s->vpp_evt_q, s->tx_fifo->master_session_index,
+ SESSION_IO_EVT_TX, SVM_Q_WAIT);
+
+ VDBG (0, "Migrated 0x%x to thread %u", mp->handle, s->vpp_thread_index);
+}
+
+static vcl_session_t *
+vcl_session_accepted (vcl_worker_t * wrk, session_accepted_msg_t * msg)
+{
+ vcl_session_msg_t *vcl_msg;
+ vcl_session_t *session;
+
+ session = vcl_session_get_w_vpp_handle (wrk, msg->handle);
+ if (PREDICT_FALSE (session != 0))
+ VWRN ("session overlap handle %lu state %u!", msg->handle,
+ session->session_state);
+
+ session = vcl_session_table_lookup_listener (wrk, msg->listener_handle);
+ if (!session)
+ {
+ VERR ("couldn't find listen session: listener handle %llx",
+ msg->listener_handle);
+ return 0;
+ }
+
+ clib_fifo_add2 (session->accept_evts_fifo, vcl_msg);
+ vcl_msg->flags = 0;
+ vcl_msg->accepted_msg = *msg;
+ /* Session handle points to listener until fully accepted by app */
+ vcl_session_table_add_vpp_handle (wrk, msg->handle, session->session_index);
+
+ return session;
+}
+
+static vcl_session_t *
+vcl_session_disconnected_handler (vcl_worker_t * wrk,
+ session_disconnected_msg_t * msg)
+{
+ vcl_session_t *session;
+
+ session = vcl_session_get_w_vpp_handle (wrk, msg->handle);
+ if (!session)
+ {
+ VDBG (0, "request to disconnect unknown handle 0x%llx", msg->handle);
+ return 0;
+ }
+
+ /* Late disconnect notification on a session that has been closed */
+ if (session->session_state == STATE_CLOSED)
+ return 0;
+
+ /* Caught a disconnect before actually accepting the session */
+ if (session->session_state == STATE_LISTEN)
+ {
+ if (!vcl_flag_accepted_session (session, msg->handle,
+ VCL_ACCEPTED_F_CLOSED))
+ VDBG (0, "session was not accepted!");
+ return 0;
+ }
+
+ /* If not already reset change state */
+ if (session->session_state != STATE_DISCONNECT)
+ session->session_state = STATE_VPP_CLOSING;
+
+ return session;
+}
+
+static void
+vcl_session_cleanup_handler (vcl_worker_t * wrk, void *data)
+{
+ session_cleanup_msg_t *msg;
+ vcl_session_t *session;
+
+ msg = (session_cleanup_msg_t *) data;
+ session = vcl_session_get_w_vpp_handle (wrk, msg->handle);
+ if (!session)
+ {
+ VDBG (0, "disconnect confirmed for unknown handle 0x%llx", msg->handle);
+ return;
+ }
+
+ vcl_session_table_del_vpp_handle (wrk, msg->handle);
+ /* Should not happen. App did not close the connection so don't free it. */
+ if (session->session_state != STATE_CLOSED)
+ {
+ VDBG (0, "app did not close session %d", session->session_index);
+ session->session_state = STATE_DETACHED;
+ session->vpp_handle = VCL_INVALID_SESSION_HANDLE;
+ return;
+ }
+ vcl_session_free (wrk, session);
+}
+
+static void
+vcl_session_req_worker_update_handler (vcl_worker_t * wrk, void *data)
+{
+ session_req_worker_update_msg_t *msg;
+ vcl_session_t *s;
+
+ msg = (session_req_worker_update_msg_t *) data;
+ s = vcl_session_get_w_vpp_handle (wrk, msg->session_handle);
+ if (!s)
+ return;
+
+ vec_add1 (wrk->pending_session_wrk_updates, s->session_index);
+}
+
+static void
+vcl_session_worker_update_reply_handler (vcl_worker_t * wrk, void *data)
+{
+ session_worker_update_reply_msg_t *msg;
+ vcl_session_t *s;
+
+ msg = (session_worker_update_reply_msg_t *) data;
+ s = vcl_session_get_w_vpp_handle (wrk, msg->handle);
+ if (!s)
+ {
+ VDBG (0, "unknown handle 0x%llx", msg->handle);
+ return;
+ }
+ if (vcl_segment_is_not_mounted (wrk, msg->segment_handle))
+ {
+ clib_warning ("segment for session %u is not mounted!",
+ s->session_index);
+ return;
+ }
+
+ if (s->rx_fifo)
+ {
+ s->rx_fifo = uword_to_pointer (msg->rx_fifo, svm_fifo_t *);
+ s->tx_fifo = uword_to_pointer (msg->tx_fifo, svm_fifo_t *);
+ s->rx_fifo->client_session_index = s->session_index;
+ s->tx_fifo->client_session_index = s->session_index;
+ s->rx_fifo->client_thread_index = wrk->wrk_index;
+ s->tx_fifo->client_thread_index = wrk->wrk_index;
+ }
+ s->session_state = STATE_UPDATED;
+
+ VDBG (0, "session %u[0x%llx] moved to worker %u", s->session_index,
+ s->vpp_handle, wrk->wrk_index);
+}
+
+static void
+vcl_session_app_add_segment_handler (vcl_worker_t * wrk, void *data)
+{
+ ssvm_segment_type_t seg_type = SSVM_SEGMENT_SHM;
+ session_app_add_segment_msg_t *msg;
+ u64 segment_handle;
+ int fd = -1;
+
+ msg = (session_app_add_segment_msg_t *) data;
+
+ if (msg->fd_flags)
+ {
+ vl_socket_client_recv_fd_msg2 (&wrk->bapi_sock_ctx, &fd, 1, 5);
+ seg_type = SSVM_SEGMENT_MEMFD;
+ }
+
+ segment_handle = msg->segment_handle;
+ if (segment_handle == VCL_INVALID_SEGMENT_HANDLE)
+ {
+ clib_warning ("invalid segment handle");
+ return;
+ }
+
+ if (vcl_segment_attach (segment_handle, (char *) msg->segment_name,
+ seg_type, fd))
+ {
+ VDBG (0, "vcl_segment_attach ('%s') failed", msg->segment_name);
+ return;
+ }
+
+ VDBG (1, "mapped new segment '%s' size %d", msg->segment_name,
+ msg->segment_size);
+}
+
+static void
+vcl_session_app_del_segment_handler (vcl_worker_t * wrk, void *data)
+{
+ session_app_del_segment_msg_t *msg = (session_app_del_segment_msg_t *) data;
+ vcl_segment_detach (msg->segment_handle);
+ VDBG (1, "Unmapped segment: %d", msg->segment_handle);
+}
+
static int
vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e)
{
- session_accepted_msg_t *accepted_msg;
session_disconnected_msg_t *disconnected_msg;
- vcl_session_msg_t *vcl_msg;
vcl_session_t *session;
- u64 handle;
- u32 sid;
switch (e->event_type)
{
- case FIFO_EVENT_APP_RX:
- case FIFO_EVENT_APP_TX:
- case SESSION_IO_EVT_CT_RX:
- case SESSION_IO_EVT_CT_TX:
+ case SESSION_IO_EVT_RX:
+ case SESSION_IO_EVT_TX:
+ session = vcl_session_get (wrk, e->session_index);
+ if (!session || !(session->session_state & STATE_OPEN))
+ break;
vec_add1 (wrk->unhandled_evts_vector, *e);
break;
case SESSION_CTRL_EVT_ACCEPTED:
- accepted_msg = (session_accepted_msg_t *) e->data;
- handle = accepted_msg->listener_handle;
- session = vcl_session_table_lookup_listener (wrk, handle);
- if (!session)
- {
- clib_warning ("VCL<%d>: ERROR: couldn't find listen session:"
- "listener handle %llx", getpid (), handle);
- break;
- }
-
- clib_fifo_add2 (session->accept_evts_fifo, vcl_msg);
- vcl_msg->accepted_msg = *accepted_msg;
+ vcl_session_accepted (wrk, (session_accepted_msg_t *) e->data);
break;
case SESSION_CTRL_EVT_CONNECTED:
vcl_session_connected_handler (wrk,
break;
case SESSION_CTRL_EVT_DISCONNECTED:
disconnected_msg = (session_disconnected_msg_t *) e->data;
- sid = vcl_session_index_from_vpp_handle (wrk, disconnected_msg->handle);
- session = vcl_session_get (wrk, sid);
+ session = vcl_session_disconnected_handler (wrk, disconnected_msg);
if (!session)
- {
- VDBG (0, "request to disconnect unknown handle 0x%llx",
- disconnected_msg->handle);
- break;
- }
- session->session_state = STATE_DISCONNECT;
- VDBG (0, "disconnected handle 0x%llx, sid %u", disconnected_msg->handle,
- sid);
+ break;
+ VDBG (0, "disconnected session %u [0x%llx]", session->session_index,
+ session->vpp_handle);
break;
case SESSION_CTRL_EVT_RESET:
vcl_session_reset_handler (wrk, (session_reset_msg_t *) e->data);
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_MIGRATED:
+ vcl_session_migrated_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_CLEANUP:
+ vcl_session_cleanup_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_REQ_WORKER_UPDATE:
+ vcl_session_req_worker_update_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY:
+ vcl_session_worker_update_reply_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_APP_ADD_SEGMENT:
+ vcl_session_app_add_segment_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_APP_DEL_SEGMENT:
+ vcl_session_app_del_segment_handler (wrk, e->data);
+ break;
default:
clib_warning ("unhandled %u", e->event_type);
}
return VPPCOM_OK;
}
-static inline int
+static int
vppcom_wait_for_session_state_change (u32 session_index,
- session_state_t state,
+ vcl_session_state_t state,
f64 wait_for_time)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
{
return VPPCOM_OK;
}
- if (session->session_state & STATE_FAILED)
+ if (session->session_state & STATE_DETACHED)
{
return VPPCOM_ECONNREFUSED;
}
return VPPCOM_ETIMEDOUT;
}
+static void
+vcl_handle_pending_wrk_updates (vcl_worker_t * wrk)
+{
+ vcl_session_state_t state;
+ vcl_session_t *s;
+ u32 *sip;
+
+ if (PREDICT_TRUE (vec_len (wrk->pending_session_wrk_updates) == 0))
+ return;
+
+ vec_foreach (sip, wrk->pending_session_wrk_updates)
+ {
+ s = vcl_session_get (wrk, *sip);
+ vcl_send_session_worker_update (wrk, s, wrk->wrk_index);
+ state = s->session_state;
+ vppcom_wait_for_session_state_change (s->session_index, STATE_UPDATED, 5);
+ s->session_state = state;
+ }
+ vec_reset_length (wrk->pending_session_wrk_updates);
+}
+
+void
+vcl_flush_mq_events (void)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ svm_msg_q_msg_t *msg;
+ session_event_t *e;
+ svm_msg_q_t *mq;
+ int i;
+
+ mq = wrk->app_event_queue;
+ svm_msg_q_lock (mq);
+ vcl_mq_dequeue_batch (wrk, mq, ~0);
+ svm_msg_q_unlock (mq);
+
+ for (i = 0; i < vec_len (wrk->mq_msg_vector); i++)
+ {
+ msg = vec_elt_at_index (wrk->mq_msg_vector, i);
+ e = svm_msg_q_msg_data (mq, msg);
+ vcl_handle_mq_event (wrk, e);
+ svm_msg_q_free_msg (mq, msg);
+ }
+ vec_reset_length (wrk->mq_msg_vector);
+ vcl_handle_pending_wrk_updates (wrk);
+}
+
static int
vppcom_app_session_enable (void)
{
rv = vcl_wait_for_app_state_change (STATE_APP_ENABLED);
if (PREDICT_FALSE (rv))
{
- VDBG (0, "VCL<%d>: application session enable timed out! "
- "returning %d (%s)", getpid (), rv, vppcom_retval_str (rv));
+ VDBG (0, "application session enable timed out! returning %d (%s)",
+ rv, vppcom_retval_str (rv));
return rv;
}
}
rv = vcl_wait_for_app_state_change (STATE_APP_ATTACHED);
if (PREDICT_FALSE (rv))
{
- VDBG (0, "VCL<%d>: application attach timed out! returning %d (%s)",
- getpid (), rv, vppcom_retval_str (rv));
+ VDBG (0, "application attach timed out! returning %d (%s)", rv,
+ vppcom_retval_str (rv));
return rv;
}
vppcom_session_unbind (u32 session_handle)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
+ session_accepted_msg_t *accepted_msg;
vcl_session_t *session = 0;
- u64 vpp_handle;
+ vcl_session_msg_t *evt;
session = vcl_session_get_w_handle (wrk, session_handle);
if (!session)
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;
+ /* Flush pending accept events, if any */
+ while (clib_fifo_elts (session->accept_evts_fifo))
+ {
+ clib_fifo_sub2 (session->accept_evts_fifo, evt);
+ accepted_msg = &evt->accepted_msg;
+ vcl_session_table_del_vpp_handle (wrk, accepted_msg->handle);
+ vcl_send_session_accepted_reply (session->vpp_evt_q,
+ accepted_msg->context,
+ session->vpp_handle, -1);
+ }
+ clib_fifo_free (session->accept_evts_fifo);
+
+ vcl_send_session_unlisten (wrk, session);
- VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: sending unbind msg! new state"
- " 0x%x (%s)", getpid (), vpp_handle, session_handle, STATE_DISCONNECT,
- vppcom_session_state_str (STATE_DISCONNECT));
+ VDBG (1, "session %u [0x%llx]: sending unbind!", session->session_index,
+ session->vpp_handle);
vcl_evt (VCL_EVT_UNBIND, session);
- vppcom_send_unbind_sock (vpp_handle);
+
+ session->vpp_handle = ~0;
+ session->session_state = STATE_DISCONNECT;
return VPPCOM_OK;
}
{
vcl_worker_t *wrk = vcl_worker_get_current ();
svm_msg_q_t *vpp_evt_q;
- vcl_session_t *session;
- session_state_t state;
+ vcl_session_t *session, *listen_session;
+ vcl_session_state_t state;
u64 vpp_handle;
session = vcl_session_get_w_handle (wrk, session_handle);
if (!session)
return VPPCOM_EBADFD;
- vpp_handle = session->vpp_handle;
- state = session->session_state;
-
- VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u state 0x%x (%s)", getpid (),
- vpp_handle, session_handle, state, vppcom_session_state_str (state));
-
- if (PREDICT_FALSE (state & STATE_LISTEN))
- {
- clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
- "Cannot disconnect a listen socket!",
- getpid (), vpp_handle, session_handle);
- return VPPCOM_EBADFD;
- }
-
- if (state & STATE_CLOSE_ON_EMPTY)
- {
- vpp_evt_q = vcl_session_vpp_evt_q (wrk, session);
- vcl_send_session_disconnected_reply (vpp_evt_q, wrk->my_client_index,
- vpp_handle, 0);
- VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: sending disconnect "
- "REPLY...", getpid (), vpp_handle, session_handle);
- }
- else
- {
- VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: sending disconnect...",
- getpid (), vpp_handle, session_handle);
- vppcom_send_disconnect_session (vpp_handle);
- }
-
- return VPPCOM_OK;
-}
-
-static void
-vcl_cleanup_bapi (void)
-{
- socket_client_main_t *scm = &socket_client_main;
- api_main_t *am = &api_main;
-
- am->my_client_index = ~0;
- am->my_registration = 0;
- am->vl_input_queue = 0;
- am->msg_index_by_name_and_crc = 0;
- scm->socket_fd = 0;
-
- vl_client_api_unmap ();
-}
-
-static void
-vcl_cleanup_forked_child (vcl_worker_t * wrk, vcl_worker_t * child_wrk)
-{
- vcl_worker_t *sub_child;
- int tries = 0;
-
- if (child_wrk->forked_child != ~0)
- {
- sub_child = vcl_worker_get_if_valid (child_wrk->forked_child);
- if (sub_child)
- {
- /* Wait a bit, maybe the process is going away */
- while (kill (sub_child->current_pid, 0) >= 0 && tries++ < 50)
- usleep (1e3);
- if (kill (sub_child->current_pid, 0) < 0)
- vcl_cleanup_forked_child (child_wrk, sub_child);
- }
- }
- vcl_worker_cleanup (child_wrk, 1 /* notify vpp */ );
- VDBG (0, "Cleaned up wrk %u", child_wrk->wrk_index);
- wrk->forked_child = ~0;
-}
-
-static struct sigaction old_sa;
-
-static void
-vcl_intercept_sigchld_handler (int signum, siginfo_t * si, void *uc)
-{
- vcl_worker_t *wrk, *child_wrk;
-
- if (vcl_get_worker_index () == ~0)
- return;
-
- sigaction (SIGCHLD, &old_sa, 0);
-
- wrk = vcl_worker_get_current ();
- if (wrk->forked_child == ~0)
- return;
-
- child_wrk = vcl_worker_get_if_valid (wrk->forked_child);
- if (!child_wrk)
- goto done;
+ vpp_handle = session->vpp_handle;
+ state = session->session_state;
- if (si && si->si_pid != child_wrk->current_pid)
+ VDBG (1, "session %u [0x%llx] state 0x%x (%s)", session->session_index,
+ vpp_handle, state, vppcom_session_state_str (state));
+
+ if (PREDICT_FALSE (state & STATE_LISTEN))
{
- VDBG (0, "unexpected child pid %u", si->si_pid);
- goto done;
+ VDBG (0, "ERROR: Cannot disconnect a listen socket!");
+ return VPPCOM_EBADFD;
}
- vcl_cleanup_forked_child (wrk, child_wrk);
-done:
- if (old_sa.sa_flags & SA_SIGINFO)
+ if (state & STATE_VPP_CLOSING)
{
- void (*fn) (int, siginfo_t *, void *) = old_sa.sa_sigaction;
- fn (signum, si, uc);
+ vpp_evt_q = vcl_session_vpp_evt_q (wrk, session);
+ vcl_send_session_disconnected_reply (vpp_evt_q, wrk->my_client_index,
+ vpp_handle, 0);
+ VDBG (1, "session %u [0x%llx]: sending disconnect REPLY...",
+ session->session_index, vpp_handle);
}
else
{
- void (*fn) (int) = old_sa.sa_handler;
- if (fn)
- fn (signum);
- }
-}
-
-static void
-vcl_incercept_sigchld ()
-{
- struct sigaction sa;
- clib_memset (&sa, 0, sizeof (sa));
- sa.sa_sigaction = vcl_intercept_sigchld_handler;
- sa.sa_flags = SA_SIGINFO;
- if (sigaction (SIGCHLD, &sa, &old_sa))
- {
- VERR ("couldn't intercept sigchld");
- exit (-1);
+ VDBG (1, "session %u [0x%llx]: sending disconnect...",
+ session->session_index, vpp_handle);
+ vcl_send_session_disconnect (wrk, session);
}
-}
-
-static void
-vcl_app_pre_fork (void)
-{
- vcl_incercept_sigchld ();
-}
-
-static void
-vcl_app_fork_child_handler (void)
-{
- int rv, parent_wrk_index;
- vcl_worker_t *parent_wrk;
- u8 *child_name;
- parent_wrk_index = vcl_get_worker_index ();
- VDBG (0, "initializing forked child with parent wrk %u", parent_wrk_index);
-
- /*
- * Allocate worker
- */
- vcl_set_worker_index (~0);
- if (!vcl_worker_alloc_and_init ())
- VERR ("couldn't allocate new worker");
-
- /*
- * Attach to binary api
- */
- child_name = format (0, "%v-child-%u%c", vcm->app_name, getpid (), 0);
- vcl_cleanup_bapi ();
- vppcom_api_hookup ();
- vcm->app_state = STATE_APP_START;
- rv = vppcom_connect_to_vpp ((char *) child_name);
- vec_free (child_name);
- if (rv)
+ if (session->listener_index != VCL_INVALID_SESSION_INDEX)
{
- VERR ("couldn't connect to VPP!");
- return;
+ listen_session = vcl_session_get (wrk, session->listener_index);
+ listen_session->n_accepted_sessions--;
}
- /*
- * Register worker with vpp and share sessions
- */
- vcl_worker_register_with_vpp ();
- parent_wrk = vcl_worker_get (parent_wrk_index);
- vcl_worker_share_sessions (parent_wrk);
- parent_wrk->forked_child = vcl_get_worker_index ();
-
- VDBG (0, "forked child main worker initialized");
- vcm->forking = 0;
-}
-
-static void
-vcl_app_fork_parent_handler (void)
-{
- vcm->forking = 1;
- while (vcm->forking)
- ;
+ return VPPCOM_OK;
}
/**
vcl_worker_cleanup (vcl_worker_get_current (), 1 /* notify vpp */ );
vcl_set_worker_index (~0);
vcl_elog_stop (vcm);
- if (vec_len (vcm->workers) == 1)
- vl_client_disconnect_from_vlib ();
- else
- vl_client_send_disconnect (1 /* vpp should cleanup */ );
}
/*
vcm->main_pid = getpid ();
vcm->app_name = format (0, "%s", app_name);
vppcom_init_error_string_table ();
- svm_fifo_segment_main_init (&vcm->segment_main, vcl_cfg->segment_baseva,
- 20 /* timeout in secs */ );
+ fifo_segment_main_init (&vcm->segment_main, vcl_cfg->segment_baseva,
+ 20 /* timeout in secs */ );
pool_alloc (vcm->workers, vcl_cfg->max_workers);
clib_spinlock_init (&vcm->workers_lock);
clib_rwlock_init (&vcm->segment_table_lock);
- pthread_atfork (vcl_app_pre_fork, vcl_app_fork_parent_handler,
- vcl_app_fork_child_handler);
atexit (vppcom_app_exit);
/* Allocate default worker */
vcl_worker_alloc_and_init ();
/* API hookup and connect to VPP */
- vppcom_api_hookup ();
vcl_elog_init (vcm);
vcm->app_state = STATE_APP_START;
rv = vppcom_connect_to_vpp (app_name);
if (pool_elts (vcm->workers) == 1)
{
- vppcom_app_send_detach ();
+ vcl_send_app_detach (vcl_worker_get_current ());
orig_app_timeout = vcm->cfg.app_timeout;
vcm->cfg.app_timeout = 2.0;
rv = vcl_wait_for_app_state_change (STATE_APP_ENABLED);
session = vcl_session_alloc (wrk);
session->session_type = proto;
- session->session_state = STATE_START;
+ session->session_state = STATE_CLOSED;
session->vpp_handle = ~0;
- session->is_dgram = proto == VPPCOM_PROTO_UDP;
+ session->is_dgram = vcl_proto_is_dgram (proto);
if (is_nonblocking)
VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK);
vcl_evt (VCL_EVT_CREATE, session, session_type, session->session_state,
is_nonblocking, session_index);
- VDBG (0, "created sid %u", session->session_index);
+ VDBG (0, "created session %u", session->session_index);
return vcl_session_handle (session);
}
int
-vppcom_session_close (uint32_t session_handle)
+vcl_session_cleanup (vcl_worker_t * wrk, vcl_session_t * session,
+ vcl_session_handle_t sh, u8 do_disconnect)
{
- vcl_worker_t *wrk = vcl_worker_get_current ();
- u8 is_vep, do_disconnect = 1;
- vcl_session_t *session = 0;
- session_state_t state;
+ vcl_session_state_t state;
u32 next_sh, vep_sh;
int rv = VPPCOM_OK;
u64 vpp_handle;
-
- session = vcl_session_get_w_handle (wrk, session_handle);
- if (!session)
- return VPPCOM_EBADFD;
-
- if (session->shared_index != ~0)
- do_disconnect = vcl_worker_unshare_session (wrk, session);
+ u8 is_vep;
is_vep = session->is_vep;
next_sh = session->vep.next_sh;
state = session->session_state;
vpp_handle = session->vpp_handle;
- VDBG (1, "closing session handle %u vpp handle %u", session_handle,
- vpp_handle);
+ VDBG (1, "session %u [0x%llx] closing", session->session_index, vpp_handle);
if (is_vep)
{
while (next_sh != ~0)
{
- rv = vppcom_epoll_ctl (session_handle, EPOLL_CTL_DEL, next_sh, 0);
+ rv = vppcom_epoll_ctl (sh, EPOLL_CTL_DEL, next_sh, 0);
if (PREDICT_FALSE (rv < 0))
- VDBG (0, "vpp handle 0x%llx, sid %u: EPOLL_CTL_DEL vep_idx %u"
+ VDBG (0, "vpp handle 0x%llx, sh %u: EPOLL_CTL_DEL vep_idx %u"
" failed! rv %d (%s)", vpp_handle, next_sh, vep_sh, rv,
vppcom_retval_str (rv));
next_sh = session->vep.next_sh;
}
+ goto cleanup;
}
- else
- {
- if (session->is_vep_session)
- {
- rv = vppcom_epoll_ctl (vep_sh, EPOLL_CTL_DEL, session_handle, 0);
- if (rv < 0)
- VDBG (0, "vpp handle 0x%llx, sid %u: EPOLL_CTL_DEL vep_idx %u "
- "failed! rv %d (%s)", vpp_handle, session_handle, vep_sh,
- rv, vppcom_retval_str (rv));
- }
- if (!do_disconnect)
- goto cleanup;
-
- if (state & STATE_LISTEN)
- {
- rv = vppcom_session_unbind (session_handle);
- if (PREDICT_FALSE (rv < 0))
- VDBG (0, "vpp handle 0x%llx, sid %u: listener unbind failed! "
- "rv %d (%s)", vpp_handle, session_handle, rv,
- vppcom_retval_str (rv));
- }
- else if (state & STATE_OPEN)
- {
- rv = vppcom_session_disconnect (session_handle);
- if (PREDICT_FALSE (rv < 0))
- clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
- "session disconnect failed! rv %d (%s)",
- getpid (), vpp_handle, session_handle,
- rv, vppcom_retval_str (rv));
- }
+ if (session->is_vep_session)
+ {
+ rv = vppcom_epoll_ctl (vep_sh, EPOLL_CTL_DEL, sh, 0);
+ if (rv < 0)
+ VDBG (0, "session %u [0x%llx]: EPOLL_CTL_DEL vep_idx %u "
+ "failed! rv %d (%s)", session->session_index, vpp_handle,
+ vep_sh, rv, vppcom_retval_str (rv));
}
-cleanup:
-
- if (vcl_session_is_ct (session))
+ if (!do_disconnect)
{
- vcl_cut_through_registration_t *ctr;
- uword mq_addr;
-
- mq_addr = pointer_to_uword (session->our_evt_q);
- ctr = vcl_ct_registration_lock_and_lookup (wrk, mq_addr);
- ASSERT (ctr);
- if (ctr->epoll_evt_conn_index != ~0)
- vcl_mq_epoll_del_evfd (wrk, ctr->epoll_evt_conn_index);
- VDBG (0, "Removing ct registration %u",
- vcl_ct_registration_index (wrk, ctr));
- vcl_ct_registration_del (wrk, ctr);
- vcl_ct_registration_lookup_del (wrk, mq_addr);
- vcl_ct_registration_unlock (wrk);
+ VDBG (1, "session %u [0x%llx] disconnect skipped",
+ session->session_index, vpp_handle);
+ goto cleanup;
}
- if (vpp_handle != ~0)
+ if (state & STATE_LISTEN)
+ {
+ rv = vppcom_session_unbind (sh);
+ if (PREDICT_FALSE (rv < 0))
+ 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)
+ || (vcl_session_is_connectable_listener (wrk, session)))
{
- vcl_session_table_del_vpp_handle (wrk, vpp_handle);
+ rv = vppcom_session_disconnect (sh);
+ if (PREDICT_FALSE (rv < 0))
+ VDBG (0, "ERROR: session %u [0x%llx]: disconnect failed!"
+ " rv %d (%s)", session->session_index, vpp_handle,
+ rv, vppcom_retval_str (rv));
}
- vcl_session_free (wrk, session);
+ else if (state == STATE_DISCONNECT)
+ {
+ svm_msg_q_t *mq = vcl_session_vpp_evt_q (wrk, session);
+ vcl_send_session_reset_reply (mq, wrk->my_client_index,
+ session->vpp_handle, 0);
+ }
+ else if (state == STATE_DETACHED)
+ {
+ /* Should not happen. VPP cleaned up before app confirmed close */
+ VDBG (0, "vpp freed session %d before close", session->session_index);
+ goto free_session;
+ }
+
+ session->session_state = STATE_CLOSED;
- VDBG (0, "session handle %u [0x%llx] removed", session_handle, vpp_handle);
+ /* Session is removed only after vpp confirms the disconnect */
+ return rv;
+cleanup:
+ vcl_session_table_del_vpp_handle (wrk, vpp_handle);
+free_session:
+ vcl_session_free (wrk, session);
vcl_evt (VCL_EVT_CLOSE, session, rv);
return rv;
}
+int
+vppcom_session_close (uint32_t session_handle)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session;
+
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+ return vcl_session_cleanup (wrk, session, session_handle,
+ 1 /* do_disconnect */ );
+}
+
int
vppcom_session_bind (uint32_t session_handle, vppcom_endpt_t * ep)
{
if (session->is_vep)
{
- clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
- "bind to an epoll session!", getpid (), session_handle);
+ VDBG (0, "ERROR: cannot bind to epoll session %u!",
+ session->session_index);
return VPPCOM_EBADFD;
}
sizeof (ip6_address_t));
session->transport.lcl_port = ep->port;
- VDBG (0, "VCL<%d>: sid %u: binding to local %s address %U port %u, "
- "proto %s", getpid (), session_handle,
+ VDBG (0, "session %u handle %u: binding to local %s address %U port %u, "
+ "proto %s", session->session_index, session_handle,
session->transport.is_ip4 ? "IPv4" : "IPv6",
format_ip46_address, &session->transport.lcl_ip,
session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
clib_net_to_host_u16 (session->transport.lcl_port),
- session->session_type ? "UDP" : "TCP");
+ vppcom_proto_str (session->session_type));
vcl_evt (VCL_EVT_BIND, session);
if (session->session_type == VPPCOM_PROTO_UDP)
return VPPCOM_OK;
}
- VDBG (0, "session %u [0x%llx]: sending vpp listen request...",
- listen_sh, listen_vpp_handle);
+ VDBG (0, "session %u: sending vpp listen request...", listen_sh);
/*
* Send listen request to vpp and wait for reply
*/
- vppcom_send_bind_sock (listen_session);
+ vcl_send_session_listen (wrk, listen_session);
rv = vppcom_wait_for_session_state_change (listen_session->session_index,
STATE_LISTEN,
vcm->cfg.session_timeout);
return VPPCOM_OK;
}
+int
+vppcom_session_tls_add_cert (uint32_t session_handle, char *cert,
+ uint32_t cert_len)
+{
+
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session = 0;
+
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+
+ if (cert_len == 0 || cert_len == ~0)
+ return VPPCOM_EBADFD;
+
+ /*
+ * Send listen request to vpp and wait for reply
+ */
+ vppcom_send_application_tls_cert_add (session, cert, cert_len);
+ vcm->app_state = STATE_APP_ADDING_TLS_DATA;
+ vcl_wait_for_app_state_change (STATE_APP_READY);
+ return VPPCOM_OK;
+
+}
+
+int
+vppcom_session_tls_add_key (uint32_t session_handle, char *key,
+ uint32_t key_len)
+{
+
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session = 0;
+
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+
+ if (key_len == 0 || key_len == ~0)
+ return VPPCOM_EBADFD;
+
+ vppcom_send_application_tls_key_add (session, key, key_len);
+ vcm->app_state = STATE_APP_ADDING_TLS_DATA;
+ vcl_wait_for_app_state_change (STATE_APP_READY);
+ return VPPCOM_OK;
+}
+
static int
-validate_args_session_accept_ (vcl_worker_t * wrk,
- vcl_session_t * listen_session)
+validate_args_session_accept_ (vcl_worker_t * wrk, vcl_session_t * ls)
{
- /* Input validation - expects spinlock on sessions_lockp */
- if (listen_session->is_vep)
+ if (ls->is_vep)
{
- clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
- "epoll session!", getpid (),
- listen_session->session_index);
+ VDBG (0, "ERROR: cannot accept on epoll session %u!",
+ ls->session_index);
return VPPCOM_EBADFD;
}
- if (listen_session->session_state != STATE_LISTEN)
+ if ((ls->session_state != STATE_LISTEN)
+ && (!vcl_session_is_connectable_listener (wrk, ls)))
{
- clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
- "not in listen state! state 0x%x (%s)", getpid (),
- listen_session->vpp_handle, listen_session->session_index,
- listen_session->session_state,
- vppcom_session_state_str (listen_session->session_state));
+ VDBG (0,
+ "ERROR: session [0x%llx]: not in listen state! state 0x%x"
+ " (%s)", ls->vpp_handle, ls->session_state,
+ vppcom_session_state_str (ls->session_state));
return VPPCOM_EBADFD;
}
return VPPCOM_OK;
}
+int
+vppcom_unformat_proto (uint8_t * proto, char *proto_str)
+{
+ if (!strcmp (proto_str, "TCP"))
+ *proto = VPPCOM_PROTO_TCP;
+ else if (!strcmp (proto_str, "tcp"))
+ *proto = VPPCOM_PROTO_TCP;
+ else if (!strcmp (proto_str, "UDP"))
+ *proto = VPPCOM_PROTO_UDP;
+ else if (!strcmp (proto_str, "udp"))
+ *proto = VPPCOM_PROTO_UDP;
+ else if (!strcmp (proto_str, "UDPC"))
+ *proto = VPPCOM_PROTO_UDPC;
+ else if (!strcmp (proto_str, "udpc"))
+ *proto = VPPCOM_PROTO_UDPC;
+ else if (!strcmp (proto_str, "TLS"))
+ *proto = VPPCOM_PROTO_TLS;
+ else if (!strcmp (proto_str, "tls"))
+ *proto = VPPCOM_PROTO_TLS;
+ else if (!strcmp (proto_str, "QUIC"))
+ *proto = VPPCOM_PROTO_QUIC;
+ else if (!strcmp (proto_str, "quic"))
+ *proto = VPPCOM_PROTO_QUIC;
+ else
+ return 1;
+ return 0;
+}
+
int
vppcom_session_accept (uint32_t listen_session_handle, vppcom_endpt_t * ep,
uint32_t flags)
{
- u32 client_session_index = ~0, listen_session_index;
+ u32 client_session_index = ~0, listen_session_index, accept_flags = 0;
vcl_worker_t *wrk = vcl_worker_get_current ();
session_accepted_msg_t accepted_msg;
vcl_session_t *listen_session = 0;
vcl_session_t *client_session = 0;
- svm_msg_q_t *vpp_evt_q;
vcl_session_msg_t *evt;
- u64 listen_vpp_handle;
svm_msg_q_msg_t msg;
session_event_t *e;
u8 is_nonblocking;
if (clib_fifo_elts (listen_session->accept_evts_fifo))
{
clib_fifo_sub2 (listen_session->accept_evts_fifo, evt);
+ accept_flags = evt->flags;
accepted_msg = evt->accepted_msg;
goto handle;
}
is_nonblocking = VCL_SESS_ATTR_TEST (listen_session->attr,
VCL_SESS_ATTR_NONBLOCK);
- if (svm_msg_q_is_empty (wrk->app_event_queue) && is_nonblocking)
- return VPPCOM_EAGAIN;
-
while (1)
{
+ if (svm_msg_q_is_empty (wrk->app_event_queue) && is_nonblocking)
+ return VPPCOM_EAGAIN;
+
if (svm_msg_q_sub (wrk->app_event_queue, &msg, SVM_Q_WAIT, 0))
return VPPCOM_EAGAIN;
e = svm_msg_q_msg_data (wrk->app_event_queue, &msg);
if (e->event_type != SESSION_CTRL_EVT_ACCEPTED)
{
- clib_warning ("discarded event: %u", e->event_type);
+ vcl_handle_mq_event (wrk, e);
svm_msg_q_free_msg (wrk->app_event_queue, &msg);
continue;
}
handle:
- client_session_index = vcl_session_accepted_handler (wrk, &accepted_msg);
+ client_session_index = vcl_session_accepted_handler (wrk, &accepted_msg,
+ listen_session_index);
+ if (client_session_index == VCL_INVALID_SESSION_INDEX)
+ return VPPCOM_ECONNABORTED;
+
listen_session = vcl_session_get (wrk, listen_session_index);
client_session = vcl_session_get (wrk, client_session_index);
if (flags & O_NONBLOCK)
VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK);
- listen_vpp_handle = listen_session->vpp_handle;
- VDBG (1, "vpp handle 0x%llx, sid %u: Got a client request! "
- "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
- listen_vpp_handle, listen_session_handle,
- client_session->vpp_handle, client_session_index,
- flags, VCL_SESS_ATTR_TEST (client_session->attr,
- VCL_SESS_ATTR_NONBLOCK));
+ VDBG (1, "listener %u [0x%llx]: Got a connect request! session %u [0x%llx],"
+ " flags %d, is_nonblocking %u", listen_session->session_index,
+ listen_session->vpp_handle, client_session_index,
+ client_session->vpp_handle, flags,
+ VCL_SESS_ATTR_TEST (client_session->attr, VCL_SESS_ATTR_NONBLOCK));
if (ep)
{
sizeof (ip6_address_t));
}
- if (accepted_msg.server_event_queue_address)
- vpp_evt_q = uword_to_pointer (accepted_msg.vpp_event_queue_address,
- svm_msg_q_t *);
- else
- vpp_evt_q = client_session->vpp_evt_q;
-
- vcl_send_session_accepted_reply (vpp_evt_q, client_session->client_context,
- client_session->vpp_handle, 0);
-
VDBG (0, "listener %u [0x%llx] accepted %u [0x%llx] peer: %U:%u "
- "local: %U:%u", listen_session_handle, listen_vpp_handle,
+ "local: %U:%u", listen_session_handle, listen_session->vpp_handle,
client_session_index, client_session->vpp_handle,
format_ip46_address, &client_session->transport.rmt_ip,
client_session->transport.is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
vcl_evt (VCL_EVT_ACCEPT, client_session, listen_session,
client_session_index);
+ /*
+ * Session might have been closed already
+ */
+ if (accept_flags)
+ {
+ if (accept_flags & VCL_ACCEPTED_F_CLOSED)
+ client_session->session_state = STATE_VPP_CLOSING;
+ else if (accept_flags & VCL_ACCEPTED_F_RESET)
+ client_session->session_state = STATE_DISCONNECT;
+ }
return vcl_session_handle (client_session);
}
+static void
+vcl_ip_copy_from_ep (ip46_address_t * ip, vppcom_endpt_t * ep)
+{
+ if (ep->is_ip4)
+ clib_memcpy_fast (&ip->ip4, ep->ip, sizeof (ip4_address_t));
+ else
+ clib_memcpy_fast (&ip->ip6, ep->ip, sizeof (ip6_address_t));
+}
+
+void
+vcl_ip_copy_to_ep (ip46_address_t * ip, vppcom_endpt_t * ep, u8 is_ip4)
+{
+ ep->is_ip4 = is_ip4;
+ if (is_ip4)
+ clib_memcpy_fast (ep->ip, &ip->ip4, sizeof (ip4_address_t));
+ else
+ clib_memcpy_fast (ep->ip, &ip->ip6, sizeof (ip6_address_t));
+}
+
int
vppcom_session_connect (uint32_t session_handle, vppcom_endpt_t * server_ep)
{
if (PREDICT_FALSE (session->is_vep))
{
- clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
- "connect on an epoll session!", getpid (),
- session_handle);
+ VDBG (0, "ERROR: cannot connect epoll session %u!",
+ session->session_index);
return VPPCOM_EBADFD;
}
if (PREDICT_FALSE (session->session_state & CLIENT_STATE_OPEN))
{
- VDBG (0, "VCL<%d>: vpp handle 0x%llx, sid %u: session already "
+ VDBG (0, "session handle %u [0x%llx]: session already "
"connected to %s %U port %d proto %s, state 0x%x (%s)",
- getpid (), session->vpp_handle, session_handle,
- session->transport.is_ip4 ? "IPv4" : "IPv6",
- format_ip46_address,
+ session_handle, session->vpp_handle,
+ session->transport.is_ip4 ? "IPv4" : "IPv6", format_ip46_address,
&session->transport.rmt_ip, session->transport.is_ip4 ?
IP46_TYPE_IP4 : IP46_TYPE_IP6,
clib_net_to_host_u16 (session->transport.rmt_port),
- session->session_type ? "UDP" : "TCP", session->session_state,
+ vppcom_proto_str (session->session_type), session->session_state,
vppcom_session_state_str (session->session_state));
return VPPCOM_OK;
}
session->transport.is_ip4 = server_ep->is_ip4;
- if (session->transport.is_ip4)
- clib_memcpy_fast (&session->transport.rmt_ip.ip4, server_ep->ip,
- sizeof (ip4_address_t));
- else
- clib_memcpy_fast (&session->transport.rmt_ip.ip6, server_ep->ip,
- sizeof (ip6_address_t));
+ vcl_ip_copy_from_ep (&session->transport.rmt_ip, server_ep);
session->transport.rmt_port = server_ep->port;
+ session->parent_handle = VCL_INVALID_SESSION_HANDLE;
- VDBG (0, "VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server %s %U "
- "port %d proto %s",
- getpid (), session->vpp_handle, session_handle,
+ VDBG (0, "session handle %u: connecting to server %s %U "
+ "port %d proto %s", session_handle,
session->transport.is_ip4 ? "IPv4" : "IPv6",
format_ip46_address,
&session->transport.rmt_ip, session->transport.is_ip4 ?
IP46_TYPE_IP4 : IP46_TYPE_IP6,
clib_net_to_host_u16 (session->transport.rmt_port),
- session->session_type ? "UDP" : "TCP");
+ vppcom_proto_str (session->session_type));
+
+ vcl_send_session_connect (wrk, session);
+
+ if (VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK))
+ return VPPCOM_EINPROGRESS;
/*
- * Send connect request and wait for reply from vpp
+ * Wait for reply from vpp if blocking
*/
- vppcom_send_connect_sock (session);
rv = vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
vcm->cfg.session_timeout);
session = vcl_session_get (wrk, session_index);
+ VDBG (0, "session %u [0x%llx]: connect %s!", session->session_index,
+ session->vpp_handle, rv ? "failed" : "succeeded");
- if (PREDICT_FALSE (rv))
+ return rv;
+}
+
+int
+vppcom_session_stream_connect (uint32_t session_handle,
+ uint32_t parent_session_handle)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session, *parent_session;
+ u32 session_index, parent_session_index;
+ int rv;
+
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+ parent_session = vcl_session_get_w_handle (wrk, parent_session_handle);
+ if (!parent_session)
+ return VPPCOM_EBADFD;
+
+ session_index = session->session_index;
+ parent_session_index = parent_session->session_index;
+ if (PREDICT_FALSE (session->is_vep))
{
- if (VPPCOM_DEBUG > 0)
- {
- if (session)
- clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect "
- "failed! returning %d (%s)", getpid (),
- session->vpp_handle, session_handle, rv,
- vppcom_retval_str (rv));
- else
- clib_warning ("VCL<%d>: no session for sid %u: connect failed! "
- "returning %d (%s)", getpid (),
- session_handle, rv, vppcom_retval_str (rv));
- }
+ VDBG (0, "ERROR: cannot connect epoll session %u!",
+ session->session_index);
+ return VPPCOM_EBADFD;
}
- else
- VDBG (0, "VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
- getpid (), session->vpp_handle, session_handle);
+
+ if (PREDICT_FALSE (session->session_state & CLIENT_STATE_OPEN))
+ {
+ VDBG (0, "session handle %u [0x%llx]: session already "
+ "connected to session %u [0x%llx] proto %s, state 0x%x (%s)",
+ session_handle, session->vpp_handle,
+ parent_session_handle, parent_session->vpp_handle,
+ vppcom_proto_str (session->session_type), session->session_state,
+ vppcom_session_state_str (session->session_state));
+ return VPPCOM_OK;
+ }
+
+ /* Connect to quic session specifics */
+ session->transport.is_ip4 = parent_session->transport.is_ip4;
+ session->transport.rmt_ip.ip4.as_u32 = (uint32_t) 1;
+ session->transport.rmt_port = 0;
+ session->parent_handle = parent_session->vpp_handle;
+
+ VDBG (0, "session handle %u: connecting to session %u [0x%llx]",
+ session_handle, parent_session_handle, parent_session->vpp_handle);
+
+ /*
+ * Send connect request and wait for reply from vpp
+ */
+ vcl_send_session_connect (wrk, session);
+ rv = vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
+ vcm->cfg.session_timeout);
+
+ session->listener_index = parent_session_index;
+ parent_session = vcl_session_get_w_handle (wrk, parent_session_handle);
+ if (parent_session)
+ parent_session->n_accepted_sessions++;
+
+ session = vcl_session_get (wrk, session_index);
+ VDBG (0, "session %u [0x%llx]: connect %s!", session->session_index,
+ session->vpp_handle, rv ? "failed" : "succeeded");
return rv;
}
static u8
vcl_is_rx_evt_for_session (session_event_t * e, u32 sid, u8 is_ct)
{
- if (!is_ct)
- return (e->event_type == FIFO_EVENT_APP_RX
- && e->fifo->client_session_index == sid);
- else
- return (e->event_type == SESSION_IO_EVT_CT_TX);
-}
-
-static inline u8
-vcl_session_is_readable (vcl_session_t * s)
-{
- return ((s->session_state & STATE_OPEN)
- || (s->session_state == STATE_LISTEN
- && s->session_type == VPPCOM_PROTO_UDP));
+ return (e->event_type == SESSION_IO_EVT_RX && e->session_index == sid);
}
static inline int
u8 peek)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
- int n_read = 0, rv, is_nonblocking;
+ int n_read = 0, is_nonblocking;
vcl_session_t *s = 0;
svm_fifo_t *rx_fifo;
svm_msg_q_msg_t msg;
if (PREDICT_FALSE (!s || s->is_vep))
return VPPCOM_EBADFD;
- if (PREDICT_FALSE (!vcl_session_is_readable (s)))
+ if (PREDICT_FALSE (!vcl_session_is_open (s)))
{
- session_state_t state = s->session_state;
- rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
-
- VDBG (0, "VCL<%d>: vpp handle 0x%llx, sid %u: %s session is not open! "
- "state 0x%x (%s), returning %d (%s)",
- getpid (), s->vpp_handle, session_handle, state,
- vppcom_session_state_str (state), rv, vppcom_retval_str (rv));
- return rv;
+ VDBG (0, "session %u[0x%llx] is not open! state 0x%x (%s)",
+ s->session_index, s->vpp_handle, s->session_state,
+ vppcom_session_state_str (s->session_state));
+ return vcl_session_closed_error (s);
}
is_nonblocking = VCL_SESS_ATTR_TEST (s->attr, VCL_SESS_ATTR_NONBLOCK);
is_ct = vcl_session_is_ct (s);
- mq = is_ct ? s->our_evt_q : wrk->app_event_queue;
- rx_fifo = s->rx_fifo;
+ mq = wrk->app_event_queue;
+ rx_fifo = is_ct ? s->ct_rx_fifo : s->rx_fifo;
s->has_rx_evt = 0;
- if (svm_fifo_is_empty (rx_fifo))
+ if (svm_fifo_is_empty_cons (rx_fifo))
{
if (is_nonblocking)
{
- svm_fifo_unset_event (rx_fifo);
+ if (vcl_session_is_closing (s))
+ return vcl_session_closing_error (s);
+ svm_fifo_unset_event (s->rx_fifo);
return VPPCOM_EWOULDBLOCK;
}
- while (svm_fifo_is_empty (rx_fifo))
+ while (svm_fifo_is_empty_cons (rx_fifo))
{
- svm_fifo_unset_event (rx_fifo);
+ if (vcl_session_is_closing (s))
+ return vcl_session_closing_error (s);
+
+ svm_fifo_unset_event (s->rx_fifo);
svm_msg_q_lock (mq);
if (svm_msg_q_is_empty (mq))
svm_msg_q_wait (mq);
e = svm_msg_q_msg_data (mq, &msg);
svm_msg_q_unlock (mq);
if (!vcl_is_rx_evt_for_session (e, s->session_index, is_ct))
- {
- vcl_handle_mq_event (wrk, e);
- svm_msg_q_free_msg (mq, &msg);
- continue;
- }
+ vcl_handle_mq_event (wrk, e);
svm_msg_q_free_msg (mq, &msg);
-
- if (PREDICT_FALSE (s->session_state == STATE_CLOSE_ON_EMPTY))
- return 0;
}
}
else
n_read = app_recv_stream_raw (rx_fifo, buf, n, 0, peek);
- if (svm_fifo_is_empty (rx_fifo))
- svm_fifo_unset_event (rx_fifo);
+ if (svm_fifo_is_empty_cons (rx_fifo))
+ svm_fifo_unset_event (s->rx_fifo);
- if (is_ct && svm_fifo_want_tx_evt (rx_fifo))
+ /* Cut-through sessions might request tx notifications on rx fifos */
+ if (PREDICT_FALSE (rx_fifo->want_deq_ntf))
{
- svm_fifo_set_want_tx_evt (s->rx_fifo, 0);
- app_send_io_evt_to_vpp (s->vpp_evt_q, s->rx_fifo, SESSION_IO_EVT_CT_RX,
- SVM_Q_WAIT);
+ app_send_io_evt_to_vpp (s->vpp_evt_q, s->rx_fifo->master_session_index,
+ SESSION_IO_EVT_RX, SVM_Q_WAIT);
+ svm_fifo_reset_has_deq_ntf (s->rx_fifo);
}
- VDBG (2, "VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes from (%p)",
- getpid (), s->vpp_handle, session_handle, n_read, rx_fifo);
+ VDBG (2, "session %u[0x%llx]: read %d bytes from (%p)", s->session_index,
+ s->vpp_handle, n_read, rx_fifo);
return n_read;
}
vppcom_data_segments_t ds)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
- int n_read = 0, rv, is_nonblocking;
+ int n_read = 0, is_nonblocking;
vcl_session_t *s = 0;
svm_fifo_t *rx_fifo;
svm_msg_q_msg_t msg;
if (PREDICT_FALSE (!s || s->is_vep))
return VPPCOM_EBADFD;
- if (PREDICT_FALSE (!vcl_session_is_readable (s)))
- {
- session_state_t state = s->session_state;
- rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
- return rv;
- }
+ if (PREDICT_FALSE (!vcl_session_is_open (s)))
+ return vcl_session_closed_error (s);
is_nonblocking = VCL_SESS_ATTR_TEST (s->attr, VCL_SESS_ATTR_NONBLOCK);
is_ct = vcl_session_is_ct (s);
rx_fifo = s->rx_fifo;
s->has_rx_evt = 0;
- if (svm_fifo_is_empty (rx_fifo))
+ if (is_ct)
+ svm_fifo_unset_event (s->rx_fifo);
+
+ if (svm_fifo_is_empty_cons (rx_fifo))
{
if (is_nonblocking)
{
svm_fifo_unset_event (rx_fifo);
return VPPCOM_EWOULDBLOCK;
}
- while (svm_fifo_is_empty (rx_fifo))
+ while (svm_fifo_is_empty_cons (rx_fifo))
{
+ if (vcl_session_is_closing (s))
+ return vcl_session_closing_error (s);
+
svm_fifo_unset_event (rx_fifo);
svm_msg_q_lock (mq);
if (svm_msg_q_is_empty (mq))
e = svm_msg_q_msg_data (mq, &msg);
svm_msg_q_unlock (mq);
if (!vcl_is_rx_evt_for_session (e, s->session_index, is_ct))
- {
- vcl_handle_mq_event (wrk, e);
- svm_msg_q_free_msg (mq, &msg);
- continue;
- }
+ vcl_handle_mq_event (wrk, e);
svm_msg_q_free_msg (mq, &msg);
-
- if (PREDICT_FALSE (s->session_state == STATE_CLOSE_ON_EMPTY))
- return 0;
}
}
- n_read = svm_fifo_segments (rx_fifo, (svm_fifo_segment_t *) ds);
+ n_read = svm_fifo_segments (rx_fifo, (svm_fifo_seg_t *) ds);
svm_fifo_unset_event (rx_fifo);
- if (is_ct && n_read + svm_fifo_max_dequeue (rx_fifo) == rx_fifo->nitems)
- {
- /* If the peer is not polling send notification */
- if (!svm_fifo_has_event (s->rx_fifo))
- app_send_io_evt_to_vpp (s->vpp_evt_q, s->rx_fifo,
- SESSION_IO_EVT_CT_RX, SVM_Q_WAIT);
- }
-
return n_read;
}
-void
-vppcom_session_free_segments (uint32_t session_handle,
- vppcom_data_segments_t ds)
-{
- vcl_worker_t *wrk = vcl_worker_get_current ();
- vcl_session_t *s;
-
- s = vcl_session_get_w_handle (wrk, session_handle);
- if (PREDICT_FALSE (!s || s->is_vep))
- return;
-
- svm_fifo_segments_free (s->rx_fifo, (svm_fifo_segment_t *) ds);
-}
-
-static inline int
-vppcom_session_read_ready (vcl_session_t * session)
-{
- /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
- if (PREDICT_FALSE (session->is_vep))
- {
- clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
- "epoll session!", getpid (), session->session_index);
- return VPPCOM_EBADFD;
- }
-
- if (PREDICT_FALSE (!(session->session_state & (STATE_OPEN | STATE_LISTEN))))
- {
- session_state_t state = session->session_state;
- int rv;
-
- rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
-
- VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: session is not open!"
- " state 0x%x (%s), returning %d (%s)", getpid (),
- session->vpp_handle, session->session_index, state,
- vppcom_session_state_str (state), rv, vppcom_retval_str (rv));
- return rv;
- }
+void
+vppcom_session_free_segments (uint32_t session_handle,
+ vppcom_data_segments_t ds)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *s;
- if (session->session_state & STATE_LISTEN)
- return clib_fifo_elts (session->accept_evts_fifo);
+ s = vcl_session_get_w_handle (wrk, session_handle);
+ if (PREDICT_FALSE (!s || s->is_vep))
+ return;
- return svm_fifo_max_dequeue (session->rx_fifo);
+ svm_fifo_segments_free (s->rx_fifo, (svm_fifo_seg_t *) ds);
}
int
static u8
vcl_is_tx_evt_for_session (session_event_t * e, u32 sid, u8 is_ct)
{
- if (!is_ct)
- return (e->event_type == FIFO_EVENT_APP_TX
- && e->fifo->client_session_index == sid);
- else
- return (e->event_type == SESSION_IO_EVT_CT_RX);
+ return (e->event_type == SESSION_IO_EVT_TX && e->session_index == sid);
}
static inline int
u8 is_flush)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
- int rv, n_write, is_nonblocking;
+ int n_write, is_nonblocking;
vcl_session_t *s = 0;
- svm_fifo_t *tx_fifo = 0;
session_evt_type_t et;
svm_msg_q_msg_t msg;
+ svm_fifo_t *tx_fifo;
session_event_t *e;
svm_msg_q_t *mq;
u8 is_ct;
- if (PREDICT_FALSE (!buf))
+ if (PREDICT_FALSE (!buf || n == 0))
return VPPCOM_EINVAL;
s = vcl_session_get_w_handle (wrk, session_handle);
if (PREDICT_FALSE (s->is_vep))
{
- clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
- "cannot write to an epoll session!",
- getpid (), s->vpp_handle, session_handle);
-
+ VDBG (0, "ERROR: session %u [0x%llx]: cannot write to an epoll"
+ " session!", s->session_index, s->vpp_handle);
return VPPCOM_EBADFD;
}
- if (PREDICT_FALSE (!(s->session_state & STATE_OPEN)))
+ if (PREDICT_FALSE (!vcl_session_is_open (s)))
{
- session_state_t state = s->session_state;
- rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
- VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: session is not open! "
- "state 0x%x (%s)", getpid (), s->vpp_handle, session_handle,
- state, vppcom_session_state_str (state));
- return rv;
+ VDBG (1, "session %u [0x%llx]: is not open! state 0x%x (%s)",
+ s->session_index, s->vpp_handle, s->session_state,
+ vppcom_session_state_str (s->session_state));
+ return vcl_session_closed_error (s);;
}
- tx_fifo = s->tx_fifo;
is_ct = vcl_session_is_ct (s);
+ tx_fifo = is_ct ? s->ct_tx_fifo : s->tx_fifo;
is_nonblocking = VCL_SESS_ATTR_TEST (s->attr, VCL_SESS_ATTR_NONBLOCK);
- mq = is_ct ? s->our_evt_q : wrk->app_event_queue;
- if (svm_fifo_is_full (tx_fifo))
+
+ mq = wrk->app_event_queue;
+ if (svm_fifo_is_full_prod (tx_fifo))
{
if (is_nonblocking)
{
return VPPCOM_EWOULDBLOCK;
}
- while (svm_fifo_is_full (tx_fifo))
+ while (svm_fifo_is_full_prod (tx_fifo))
{
- svm_fifo_set_want_tx_evt (tx_fifo, 1);
+ svm_fifo_add_want_deq_ntf (tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
+ if (vcl_session_is_closing (s))
+ return vcl_session_closing_error (s);
svm_msg_q_lock (mq);
if (svm_msg_q_is_empty (mq))
svm_msg_q_wait (mq);
}
}
- ASSERT (FIFO_EVENT_APP_TX + 1 == SESSION_IO_EVT_CT_TX);
- et = FIFO_EVENT_APP_TX + vcl_session_is_ct (s);
- if (is_flush && !vcl_session_is_ct (s))
+ et = SESSION_IO_EVT_TX;
+ if (is_flush && !is_ct)
et = SESSION_IO_EVT_TX_FLUSH;
if (s->is_dgram)
n_write = app_send_dgram_raw (tx_fifo, &s->transport,
- s->vpp_evt_q, buf, n, et, SVM_Q_WAIT);
+ s->vpp_evt_q, buf, n, et,
+ 0 /* do_evt */ , SVM_Q_WAIT);
else
n_write = app_send_stream_raw (tx_fifo, s->vpp_evt_q, buf, n, et,
- SVM_Q_WAIT);
+ 0 /* do_evt */ , SVM_Q_WAIT);
+
+ if (svm_fifo_set_event (s->tx_fifo))
+ app_send_io_evt_to_vpp (s->vpp_evt_q, s->tx_fifo->master_session_index,
+ et, SVM_Q_WAIT);
ASSERT (n_write > 0);
- VDBG (2, "VCL<%d>: vpp handle 0x%llx, sid %u: wrote %d bytes", getpid (),
- s->vpp_handle, session_handle, n_write);
+ VDBG (2, "session %u [0x%llx]: wrote %d bytes", s->session_index,
+ s->vpp_handle, n_write);
return n_write;
}
0 /* is_flush */ );
}
-static vcl_session_t *
-vcl_ct_session_get_from_fifo (vcl_worker_t * wrk, svm_fifo_t * f, u8 type)
-{
- vcl_session_t *s;
- s = vcl_session_get (wrk, f->client_session_index);
- if (s)
- {
- /* rx fifo */
- if (type == 0 && s->rx_fifo == f)
- return s;
- /* tx fifo */
- if (type == 1 && s->tx_fifo == f)
- return s;
- }
- s = vcl_session_get (wrk, f->master_session_index);
- if (s)
- {
- if (type == 0 && s->rx_fifo == f)
- return s;
- if (type == 1 && s->tx_fifo == f)
- return s;
- }
- return 0;
-}
-
-static inline int
-vppcom_session_write_ready (vcl_session_t * session)
-{
- /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
- if (PREDICT_FALSE (session->is_vep))
- {
- clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
- "cannot write to an epoll session!",
- getpid (), session->vpp_handle, session->session_index);
- return VPPCOM_EBADFD;
- }
-
- if (PREDICT_FALSE (session->session_state & STATE_LISTEN))
- {
- clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
- "cannot write to a listen session!",
- getpid (), session->vpp_handle, session->session_index);
- return VPPCOM_EBADFD;
- }
-
- if (PREDICT_FALSE (!(session->session_state & STATE_OPEN)))
- {
- session_state_t state = session->session_state;
- int rv;
-
- rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
- clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
- "session is not open! state 0x%x (%s), "
- "returning %d (%s)", getpid (), session->vpp_handle,
- session->session_index,
- state, vppcom_session_state_str (state),
- rv, vppcom_retval_str (rv));
- return rv;
- }
-
- VDBG (3, "VCL<%d>: vpp handle 0x%llx, sid %u: peek %s (%p), ready = %d",
- getpid (), session->vpp_handle, session->session_index,
- session->tx_fifo, svm_fifo_max_enqueue (session->tx_fifo));
-
- return svm_fifo_max_enqueue (session->tx_fifo);
-}
-
-static inline int
-vcl_mq_dequeue_batch (vcl_worker_t * wrk, svm_msg_q_t * mq)
+int
+vppcom_session_write_msg (uint32_t session_handle, void *buf, size_t n)
{
- svm_msg_q_msg_t *msg;
- u32 n_msgs;
- int i;
-
- n_msgs = svm_msg_q_size (mq);
- for (i = 0; i < n_msgs; i++)
- {
- vec_add2 (wrk->mq_msg_vector, msg, 1);
- svm_msg_q_sub_w_lock (mq, msg);
- }
- return n_msgs;
-}
-
-#define vcl_fifo_rx_evt_valid_or_break(_fifo) \
-if (PREDICT_FALSE (svm_fifo_is_empty (_fifo))) \
- { \
- svm_fifo_unset_event (_fifo); \
- if (svm_fifo_is_empty (_fifo)) \
- break; \
- } \
+ return vppcom_session_write_inline (session_handle, buf, n,
+ 1 /* is_flush */ );
+}
+
+#define vcl_fifo_rx_evt_valid_or_break(_s) \
+if (PREDICT_FALSE (!_s->rx_fifo)) \
+ break; \
+if (PREDICT_FALSE (svm_fifo_is_empty (_s->rx_fifo))) \
+ { \
+ if (!vcl_session_is_ct (_s)) \
+ { \
+ svm_fifo_unset_event (_s->rx_fifo); \
+ if (svm_fifo_is_empty (_s->rx_fifo)) \
+ break; \
+ } \
+ else if (svm_fifo_is_empty (_s->ct_rx_fifo)) \
+ { \
+ svm_fifo_unset_event (_s->ct_rx_fifo); \
+ if (svm_fifo_is_empty (_s->ct_rx_fifo)) \
+ break; \
+ } \
+ } \
static void
vcl_select_handle_mq_event (vcl_worker_t * wrk, session_event_t * e,
{
session_disconnected_msg_t *disconnected_msg;
session_connected_msg_t *connected_msg;
- session_accepted_msg_t *accepted_msg;
- vcl_session_msg_t *vcl_msg;
vcl_session_t *session;
- u64 handle;
u32 sid;
switch (e->event_type)
{
- case FIFO_EVENT_APP_RX:
- vcl_fifo_rx_evt_valid_or_break (e->fifo);
- sid = e->fifo->client_session_index;
+ case SESSION_IO_EVT_RX:
+ sid = e->session_index;
session = vcl_session_get (wrk, sid);
if (!session)
break;
+ vcl_fifo_rx_evt_valid_or_break (session);
if (sid < n_bits && read_map)
{
- clib_bitmap_set_no_check (read_map, sid, 1);
+ clib_bitmap_set_no_check ((uword *) read_map, sid, 1);
*bits_set += 1;
}
break;
- case FIFO_EVENT_APP_TX:
- sid = e->fifo->client_session_index;
+ case SESSION_IO_EVT_TX:
+ sid = e->session_index;
session = vcl_session_get (wrk, sid);
if (!session)
break;
if (sid < n_bits && write_map)
{
- clib_bitmap_set_no_check (write_map, sid, 1);
+ clib_bitmap_set_no_check ((uword *) write_map, sid, 1);
*bits_set += 1;
}
break;
- case SESSION_IO_EVT_CT_TX:
- vcl_fifo_rx_evt_valid_or_break (e->fifo);
- session = vcl_ct_session_get_from_fifo (wrk, e->fifo, 0);
+ case SESSION_CTRL_EVT_ACCEPTED:
+ session = vcl_session_accepted (wrk,
+ (session_accepted_msg_t *) e->data);
if (!session)
break;
sid = session->session_index;
if (sid < n_bits && read_map)
{
- clib_bitmap_set_no_check (read_map, sid, 1);
+ clib_bitmap_set_no_check ((uword *) read_map, sid, 1);
*bits_set += 1;
}
break;
- case SESSION_IO_EVT_CT_RX:
- session = vcl_ct_session_get_from_fifo (wrk, e->fifo, 1);
- if (!session)
+ case SESSION_CTRL_EVT_CONNECTED:
+ connected_msg = (session_connected_msg_t *) e->data;
+ sid = vcl_session_connected_handler (wrk, connected_msg);
+ if (sid == VCL_INVALID_SESSION_INDEX)
break;
- sid = session->session_index;
if (sid < n_bits && write_map)
{
- clib_bitmap_set_no_check (write_map, sid, 1);
- *bits_set += 1;
- }
- break;
- case SESSION_CTRL_EVT_ACCEPTED:
- accepted_msg = (session_accepted_msg_t *) e->data;
- handle = accepted_msg->listener_handle;
- session = vcl_session_table_lookup_listener (wrk, handle);
- if (!session)
- {
- clib_warning ("VCL<%d>: ERROR: couldn't find listen session:"
- "listener handle %llx", getpid (), handle);
- break;
- }
-
- clib_fifo_add2 (session->accept_evts_fifo, vcl_msg);
- vcl_msg->accepted_msg = *accepted_msg;
- sid = session->session_index;
- if (sid < n_bits && read_map)
- {
- clib_bitmap_set_no_check (read_map, sid, 1);
+ clib_bitmap_set_no_check ((uword *) write_map, sid, 1);
*bits_set += 1;
}
break;
- case SESSION_CTRL_EVT_CONNECTED:
- connected_msg = (session_connected_msg_t *) e->data;
- vcl_session_connected_handler (wrk, connected_msg);
- break;
case SESSION_CTRL_EVT_DISCONNECTED:
disconnected_msg = (session_disconnected_msg_t *) e->data;
- sid = vcl_session_index_from_vpp_handle (wrk, disconnected_msg->handle);
+ session = vcl_session_disconnected_handler (wrk, disconnected_msg);
+ if (!session)
+ break;
+ sid = session->session_index;
if (sid < n_bits && except_map)
{
- clib_bitmap_set_no_check (except_map, sid, 1);
+ clib_bitmap_set_no_check ((uword *) except_map, sid, 1);
*bits_set += 1;
}
break;
sid = vcl_session_reset_handler (wrk, (session_reset_msg_t *) e->data);
if (sid < n_bits && except_map)
{
- clib_bitmap_set_no_check (except_map, sid, 1);
+ clib_bitmap_set_no_check ((uword *) except_map, sid, 1);
*bits_set += 1;
}
break;
+ case SESSION_CTRL_EVT_UNLISTEN_REPLY:
+ vcl_session_unlisten_reply_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_MIGRATED:
+ vcl_session_migrated_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_CLEANUP:
+ vcl_session_cleanup_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY:
+ vcl_session_worker_update_reply_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_REQ_WORKER_UPDATE:
+ vcl_session_req_worker_update_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_APP_ADD_SEGMENT:
+ vcl_session_app_add_segment_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_APP_DEL_SEGMENT:
+ vcl_session_app_del_segment_handler (wrk, e->data);
+ break;
default:
clib_warning ("unhandled: %u", e->event_type);
break;
}
}
}
- vcl_mq_dequeue_batch (wrk, mq);
+ vcl_mq_dequeue_batch (wrk, mq, ~0);
svm_msg_q_unlock (mq);
for (i = 0; i < vec_len (wrk->mq_msg_vector); i++)
svm_msg_q_free_msg (mq, msg);
}
vec_reset_length (wrk->mq_msg_vector);
+ vcl_handle_pending_wrk_updates (wrk);
return *bits_set;
}
static int
-vppcom_select_condvar (vcl_worker_t * wrk, unsigned long n_bits,
- unsigned long *read_map, unsigned long *write_map,
- unsigned long *except_map, double time_to_wait,
+vppcom_select_condvar (vcl_worker_t * wrk, int n_bits,
+ vcl_si_set * read_map, vcl_si_set * write_map,
+ vcl_si_set * except_map, double time_to_wait,
u32 * bits_set)
{
- double total_wait = 0, wait_slice;
- vcl_cut_through_registration_t *cr;
+ double wait = 0, start = 0;
- time_to_wait = (time_to_wait == -1) ? 10e9 : time_to_wait;
- wait_slice = wrk->cut_through_registrations ? 10e-6 : time_to_wait;
- do
+ if (!*bits_set)
{
- vcl_ct_registration_lock (wrk);
- /* *INDENT-OFF* */
- pool_foreach (cr, wrk->cut_through_registrations, ({
- vcl_select_handle_mq (wrk, cr->mq, n_bits, read_map, write_map, except_map,
- 0, bits_set);
- }));
- /* *INDENT-ON* */
- vcl_ct_registration_unlock (wrk);
+ wait = time_to_wait;
+ start = clib_time_now (&wrk->clib_time);
+ }
+ do
+ {
vcl_select_handle_mq (wrk, wrk->app_event_queue, n_bits, read_map,
- write_map, except_map, time_to_wait, bits_set);
- total_wait += wait_slice;
+ write_map, except_map, wait, bits_set);
if (*bits_set)
return *bits_set;
+ if (wait == -1)
+ continue;
+
+ wait = wait - (clib_time_now (&wrk->clib_time) - start);
}
- while (total_wait < time_to_wait);
+ while (wait > 0);
return 0;
}
static int
-vppcom_select_eventfd (vcl_worker_t * wrk, unsigned long n_bits,
- unsigned long *read_map, unsigned long *write_map,
- unsigned long *except_map, double time_to_wait,
+vppcom_select_eventfd (vcl_worker_t * wrk, int n_bits,
+ vcl_si_set * read_map, vcl_si_set * write_map,
+ vcl_si_set * except_map, double time_to_wait,
u32 * bits_set)
{
vcl_mq_evt_conn_t *mqc;
}
int
-vppcom_select (unsigned long n_bits, unsigned long *read_map,
- unsigned long *write_map, unsigned long *except_map,
- double time_to_wait)
+vppcom_select (int n_bits, vcl_si_set * read_map, vcl_si_set * write_map,
+ vcl_si_set * except_map, double time_to_wait)
{
u32 sid, minbits = clib_max (n_bits, BITS (uword)), bits_set = 0;
vcl_worker_t *wrk = vcl_worker_get_current ();
vcl_session_t *session = 0;
int rv, i;
- ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
-
if (n_bits && read_map)
{
clib_bitmap_validate (wrk->rd_bitmap, minbits);
clib_memcpy_fast (wrk->rd_bitmap, read_map,
- vec_len (wrk->rd_bitmap) * sizeof (clib_bitmap_t));
- memset (read_map, 0, vec_len (wrk->rd_bitmap) * sizeof (clib_bitmap_t));
+ vec_len (wrk->rd_bitmap) * sizeof (vcl_si_set));
+ memset (read_map, 0, vec_len (wrk->rd_bitmap) * sizeof (vcl_si_set));
}
if (n_bits && write_map)
{
clib_bitmap_validate (wrk->wr_bitmap, minbits);
clib_memcpy_fast (wrk->wr_bitmap, write_map,
- vec_len (wrk->wr_bitmap) * sizeof (clib_bitmap_t));
- memset (write_map, 0,
- vec_len (wrk->wr_bitmap) * sizeof (clib_bitmap_t));
+ vec_len (wrk->wr_bitmap) * sizeof (vcl_si_set));
+ memset (write_map, 0, vec_len (wrk->wr_bitmap) * sizeof (vcl_si_set));
}
if (n_bits && except_map)
{
clib_bitmap_validate (wrk->ex_bitmap, minbits);
clib_memcpy_fast (wrk->ex_bitmap, except_map,
- vec_len (wrk->ex_bitmap) * sizeof (clib_bitmap_t));
- memset (except_map, 0,
- vec_len (wrk->ex_bitmap) * sizeof (clib_bitmap_t));
+ vec_len (wrk->ex_bitmap) * sizeof (vcl_si_set));
+ memset (except_map, 0, vec_len (wrk->ex_bitmap) * sizeof (vcl_si_set));
}
if (!n_bits)
continue;
}
- rv = svm_fifo_is_full (session->tx_fifo);
+ rv = svm_fifo_is_full_prod (session->tx_fifo);
if (!rv)
{
- clib_bitmap_set_no_check (write_map, sid, 1);
+ clib_bitmap_set_no_check ((uword*)write_map, sid, 1);
bits_set++;
}
+ else
+ svm_fifo_add_want_deq_ntf (session->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
}));
check_rd:
continue;
}
- rv = vppcom_session_read_ready (session);
+ rv = vcl_session_read_ready (session);
if (rv)
{
- clib_bitmap_set_no_check (read_map, sid, 1);
+ clib_bitmap_set_no_check ((uword*)read_map, sid, 1);
bits_set++;
}
}));
}
static inline void
-vep_verify_epoll_chain (vcl_worker_t * wrk, u32 vep_idx)
+vep_verify_epoll_chain (vcl_worker_t * wrk, u32 vep_handle)
{
vcl_session_t *session;
vppcom_epoll_t *vep;
- u32 sid = vep_idx;
+ u32 sh = vep_handle;
- if (VPPCOM_DEBUG <= 1)
+ if (VPPCOM_DEBUG <= 2)
return;
- /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
- session = vcl_session_get (wrk, vep_idx);
+ session = vcl_session_get_w_handle (wrk, vep_handle);
if (PREDICT_FALSE (!session))
{
- clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
- getpid (), vep_idx);
+ VDBG (0, "ERROR: Invalid vep_sh (%u)!", vep_handle);
goto done;
}
if (PREDICT_FALSE (!session->is_vep))
{
- clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
- getpid (), vep_idx);
+ VDBG (0, "ERROR: vep_sh (%u) is not a vep!", vep_handle);
goto done;
}
vep = &session->vep;
- clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
- "{\n"
- " is_vep = %u\n"
- " is_vep_session = %u\n"
- " next_sid = 0x%x (%u)\n"
- " wait_cont_idx = 0x%x (%u)\n"
- "}\n", getpid (), vep_idx,
- session->is_vep, session->is_vep_session,
- vep->next_sh, vep->next_sh,
- session->wait_cont_idx, session->wait_cont_idx);
+ VDBG (0, "vep_sh (%u): Dumping epoll chain\n"
+ "{\n"
+ " is_vep = %u\n"
+ " is_vep_session = %u\n"
+ " next_sh = 0x%x (%u)\n"
+ "}\n", vep_handle, session->is_vep, session->is_vep_session,
+ vep->next_sh, vep->next_sh);
- for (sid = vep->next_sh; sid != ~0; sid = vep->next_sh)
+ for (sh = vep->next_sh; sh != ~0; sh = vep->next_sh)
{
- session = vcl_session_get (wrk, sid);
+ session = vcl_session_get_w_handle (wrk, sh);
if (PREDICT_FALSE (!session))
{
- clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
+ VDBG (0, "ERROR: Invalid sh (%u)!", sh);
goto done;
}
if (PREDICT_FALSE (session->is_vep))
- clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
- getpid (), vep_idx);
+ {
+ VDBG (0, "ERROR: sh (%u) is a vep!", vep_handle);
+ }
else if (PREDICT_FALSE (!session->is_vep_session))
{
- clib_warning ("VCL<%d>: ERROR: session (%u) "
- "is not a vep session!", getpid (), sid);
+ VDBG (0, "ERROR: sh (%u) is not a vep session handle!", sh);
goto done;
}
vep = &session->vep;
- if (PREDICT_FALSE (vep->vep_sh != vep_idx))
- clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
- "vep_idx (%u)!", getpid (),
- sid, session->vep.vep_sh, vep_idx);
+ if (PREDICT_FALSE (vep->vep_sh != vep_handle))
+ VDBG (0, "ERROR: session (%u) vep_sh (%u) != vep_sh (%u)!",
+ sh, session->vep.vep_sh, vep_handle);
if (session->is_vep_session)
{
- clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
- "{\n"
- " next_sid = 0x%x (%u)\n"
- " prev_sid = 0x%x (%u)\n"
- " vep_idx = 0x%x (%u)\n"
- " ev.events = 0x%x\n"
- " ev.data.u64 = 0x%llx\n"
- " et_mask = 0x%x\n"
- "}\n",
- vep_idx, sid, sid,
- vep->next_sh, vep->next_sh,
- vep->prev_sh, vep->prev_sh,
- vep->vep_sh, vep->vep_sh,
- vep->ev.events, vep->ev.data.u64, vep->et_mask);
+ VDBG (0, "vep_sh[%u]: sh 0x%x (%u)\n"
+ "{\n"
+ " next_sh = 0x%x (%u)\n"
+ " prev_sh = 0x%x (%u)\n"
+ " vep_sh = 0x%x (%u)\n"
+ " ev.events = 0x%x\n"
+ " ev.data.u64 = 0x%llx\n"
+ " et_mask = 0x%x\n"
+ "}\n",
+ vep_handle, sh, sh, vep->next_sh, vep->next_sh, vep->prev_sh,
+ vep->prev_sh, vep->vep_sh, vep->vep_sh, vep->ev.events,
+ vep->ev.data.u64, vep->et_mask);
}
}
done:
- clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
- getpid (), vep_idx);
+ VDBG (0, "vep_sh (%u): Dump complete!\n", vep_handle);
}
int
vep_session->vep.vep_sh = ~0;
vep_session->vep.next_sh = ~0;
vep_session->vep.prev_sh = ~0;
- vep_session->wait_cont_idx = ~0;
vep_session->vpp_handle = ~0;
- vcl_evt (VCL_EVT_EPOLL_CREATE, vep_session, vep_sh);
- VDBG (0, "VCL<%d>: Created vep_idx %u / sid %u!",
- getpid (), vep_session->session_index, vep_session->session_index);
+ vcl_evt (VCL_EVT_EPOLL_CREATE, vep_session, vep_session->session_index);
+ VDBG (0, "Created vep_idx %u", vep_session->session_index);
return vcl_session_handle (vep_session);
}
if (vep_handle == session_handle)
{
- clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
- getpid (), vep_handle);
+ VDBG (0, "vep_sh == session handle (%u)!", vep_handle);
return VPPCOM_EINVAL;
}
vep_session = vcl_session_get_w_handle (wrk, vep_handle);
if (PREDICT_FALSE (!vep_session))
{
- clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_handle);
+ VDBG (0, "Invalid vep_sh (%u)!", vep_handle);
return VPPCOM_EBADFD;
}
if (PREDICT_FALSE (!vep_session->is_vep))
{
- clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
- getpid (), vep_handle);
+ VDBG (0, "vep_sh (%u) is not a vep!", vep_handle);
return VPPCOM_EINVAL;
}
session = vcl_session_get_w_handle (wrk, session_handle);
if (PREDICT_FALSE (!session))
{
- VDBG (0, "VCL<%d>: ERROR: Invalid session_handle (%u)!",
- getpid (), session_handle);
+ VDBG (0, "Invalid session_handle (%u)!", session_handle);
return VPPCOM_EBADFD;
}
if (PREDICT_FALSE (session->is_vep))
{
- clib_warning ("ERROR: session_handle (%u) is a vep!", vep_handle);
+ VDBG (0, "session_handle (%u) is a vep!", vep_handle);
return VPPCOM_EINVAL;
}
case EPOLL_CTL_ADD:
if (PREDICT_FALSE (!event))
{
- clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
- "epoll_event structure!", getpid ());
+ VDBG (0, "EPOLL_CTL_ADD: NULL pointer to epoll_event structure!");
return VPPCOM_EINVAL;
}
if (vep_session->vep.next_sh != ~0)
vep_session->vep.next_sh);
if (PREDICT_FALSE (!next_session))
{
- clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
- "vep.next_sid (%u) on vep_idx (%u)!",
- getpid (), vep_session->vep.next_sh, vep_handle);
+ VDBG (0, "EPOLL_CTL_ADD: Invalid vep.next_sh (%u) on "
+ "vep_idx (%u)!", vep_session->vep.next_sh, vep_handle);
return VPPCOM_EBADFD;
}
ASSERT (next_session->vep.prev_sh == vep_handle);
session->is_vep_session = 1;
vep_session->vep.next_sh = session_handle;
- VDBG (1, "VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, sid %u, events 0x%x, "
- "data 0x%llx!", getpid (), vep_handle, session_handle,
- event->events, event->data.u64);
+ if (session->tx_fifo)
+ svm_fifo_add_want_deq_ntf (session->tx_fifo,
+ SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL);
+
+ /* Generate EPOLLOUT if tx fifo not full */
+ if ((event->events & EPOLLOUT) &&
+ (vcl_session_write_ready (session) > 0))
+ {
+ session_event_t e = { 0 };
+ e.event_type = SESSION_IO_EVT_TX;
+ e.session_index = session->session_index;
+ vec_add1 (wrk->unhandled_evts_vector, e);
+ }
+ /* Generate EPOLLIN if rx fifo has data */
+ if ((event->events & EPOLLIN) && (vcl_session_read_ready (session) > 0))
+ {
+ session_event_t e = { 0 };
+ e.event_type = SESSION_IO_EVT_RX;
+ e.session_index = session->session_index;
+ vec_add1 (wrk->unhandled_evts_vector, e);
+ }
+ VDBG (1, "EPOLL_CTL_ADD: vep_sh %u, sh %u, events 0x%x, data 0x%llx!",
+ vep_handle, session_handle, event->events, event->data.u64);
vcl_evt (VCL_EVT_EPOLL_CTLADD, session, event->events, event->data.u64);
break;
case EPOLL_CTL_MOD:
if (PREDICT_FALSE (!event))
{
- clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
- "epoll_event structure!", getpid ());
+ VDBG (0, "EPOLL_CTL_MOD: NULL pointer to epoll_event structure!");
rv = VPPCOM_EINVAL;
goto done;
}
else if (PREDICT_FALSE (!session->is_vep_session))
{
- clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
- "not a vep session!", getpid (), session_handle);
+ VDBG (0, "sh %u EPOLL_CTL_MOD: not a vep session!", session_handle);
rv = VPPCOM_EINVAL;
goto done;
}
else if (PREDICT_FALSE (session->vep.vep_sh != vep_handle))
{
- clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
- "vep_idx (%u) != vep_idx (%u)!",
- getpid (), session_handle,
- session->vep.vep_sh, vep_handle);
+ VDBG (0, "EPOLL_CTL_MOD: sh %u vep_sh (%u) != vep_sh (%u)!",
+ session_handle, session->vep.vep_sh, vep_handle);
rv = VPPCOM_EINVAL;
goto done;
}
+
+ /* Generate EPOLLOUT when tx_fifo/ct_tx_fifo not full */
+ if ((event->events & EPOLLOUT) &&
+ !(session->vep.ev.events & EPOLLOUT) &&
+ (vcl_session_write_ready (session) > 0))
+ {
+ session_event_t e = { 0 };
+ e.event_type = SESSION_IO_EVT_TX;
+ e.session_index = session->session_index;
+ vec_add1 (wrk->unhandled_evts_vector, e);
+ }
session->vep.et_mask = VEP_DEFAULT_ET_MASK;
session->vep.ev = *event;
- VDBG (1, "VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
- " data 0x%llx!", getpid (), vep_handle, session_handle,
- event->events, event->data.u64);
+ VDBG (1, "EPOLL_CTL_MOD: vep_sh %u, sh %u, events 0x%x, data 0x%llx!",
+ vep_handle, session_handle, event->events, event->data.u64);
break;
case EPOLL_CTL_DEL:
if (PREDICT_FALSE (!session->is_vep_session))
{
- clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
- "not a vep session!", getpid (), session_handle);
+ VDBG (0, "EPOLL_CTL_DEL: %u not a vep session!", session_handle);
rv = VPPCOM_EINVAL;
goto done;
}
else if (PREDICT_FALSE (session->vep.vep_sh != vep_handle))
{
- clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
- "vep_idx (%u) != vep_idx (%u)!",
- getpid (), session_handle,
- session->vep.vep_sh, vep_handle);
+ VDBG (0, "EPOLL_CTL_DEL: sh %u vep_sh (%u) != vep_sh (%u)!",
+ session_handle, session->vep.vep_sh, vep_handle);
rv = VPPCOM_EINVAL;
goto done;
}
- vep_session->wait_cont_idx =
- (vep_session->wait_cont_idx == session_handle) ?
- session->vep.next_sh : vep_session->wait_cont_idx;
-
if (session->vep.prev_sh == vep_handle)
vep_session->vep.next_sh = session->vep.next_sh;
else
prev_session = vcl_session_get_w_handle (wrk, session->vep.prev_sh);
if (PREDICT_FALSE (!prev_session))
{
- clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
- "vep.prev_sid (%u) on sid (%u)!",
- getpid (), session->vep.prev_sh, session_handle);
+ VDBG (0, "EPOLL_CTL_DEL: Invalid prev_sh (%u) on sh (%u)!",
+ session->vep.prev_sh, session_handle);
return VPPCOM_EBADFD;
}
ASSERT (prev_session->vep.next_sh == session_handle);
next_session = vcl_session_get_w_handle (wrk, session->vep.next_sh);
if (PREDICT_FALSE (!next_session))
{
- clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
- "vep.next_sid (%u) on sid (%u)!",
- getpid (), session->vep.next_sh, session_handle);
+ VDBG (0, "EPOLL_CTL_DEL: Invalid next_sh (%u) on sh (%u)!",
+ session->vep.next_sh, session_handle);
return VPPCOM_EBADFD;
}
ASSERT (next_session->vep.prev_sh == session_handle);
session->vep.prev_sh = ~0;
session->vep.vep_sh = ~0;
session->is_vep_session = 0;
- VDBG (1, "VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
- getpid (), vep_handle, session_handle);
+
+ if (session->tx_fifo)
+ svm_fifo_del_want_deq_ntf (session->tx_fifo, SVM_FIFO_NO_DEQ_NOTIF);
+
+ VDBG (1, "EPOLL_CTL_DEL: vep_idx %u, sh %u!", vep_handle,
+ session_handle);
vcl_evt (VCL_EVT_EPOLL_CTLDEL, session, vep_sh);
break;
default:
- clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
+ VDBG (0, "Invalid operation (%d)!", op);
rv = VPPCOM_EINVAL;
}
{
session_disconnected_msg_t *disconnected_msg;
session_connected_msg_t *connected_msg;
- session_accepted_msg_t *accepted_msg;
- u64 session_evt_data = ~0, handle;
u32 sid = ~0, session_events;
- vcl_session_msg_t *vcl_msg;
+ u64 session_evt_data = ~0;
vcl_session_t *session;
u8 add_event = 0;
switch (e->event_type)
{
- case FIFO_EVENT_APP_RX:
- ASSERT (e->fifo->client_thread_index == vcl_get_worker_index ());
- vcl_fifo_rx_evt_valid_or_break (e->fifo);
- sid = e->fifo->client_session_index;
- session = vcl_session_get (wrk, sid);
- session_events = session->vep.ev.events;
- if (!(EPOLLIN & session->vep.ev.events) || session->has_rx_evt)
- break;
- add_event = 1;
- events[*num_ev].events |= EPOLLIN;
- session_evt_data = session->vep.ev.data.u64;
- session->has_rx_evt = 1;
- break;
- case FIFO_EVENT_APP_TX:
- sid = e->fifo->client_session_index;
- session = vcl_session_get (wrk, sid);
- session_events = session->vep.ev.events;
- if (!(EPOLLOUT & session_events))
+ case SESSION_IO_EVT_RX:
+ sid = e->session_index;
+ if (!(session = vcl_session_get (wrk, sid)))
break;
- add_event = 1;
- events[*num_ev].events |= EPOLLOUT;
- session_evt_data = session->vep.ev.data.u64;
- break;
- case SESSION_IO_EVT_CT_TX:
- vcl_fifo_rx_evt_valid_or_break (e->fifo);
- session = vcl_ct_session_get_from_fifo (wrk, e->fifo, 0);
- sid = session->session_index;
+ vcl_fifo_rx_evt_valid_or_break (session);
session_events = session->vep.ev.events;
if (!(EPOLLIN & session->vep.ev.events) || session->has_rx_evt)
break;
session_evt_data = session->vep.ev.data.u64;
session->has_rx_evt = 1;
break;
- case SESSION_IO_EVT_CT_RX:
- session = vcl_ct_session_get_from_fifo (wrk, e->fifo, 1);
- sid = session->session_index;
+ case SESSION_IO_EVT_TX:
+ sid = e->session_index;
+ if (!(session = vcl_session_get (wrk, sid)))
+ break;
session_events = session->vep.ev.events;
if (!(EPOLLOUT & session_events))
break;
add_event = 1;
events[*num_ev].events |= EPOLLOUT;
session_evt_data = session->vep.ev.data.u64;
+ svm_fifo_reset_has_deq_ntf (session->tx_fifo);
break;
case SESSION_CTRL_EVT_ACCEPTED:
- accepted_msg = (session_accepted_msg_t *) e->data;
- handle = accepted_msg->listener_handle;
- session = vcl_session_table_lookup_listener (wrk, handle);
+ session = vcl_session_accepted (wrk,
+ (session_accepted_msg_t *) e->data);
if (!session)
- {
- clib_warning ("VCL<%d>: ERROR: couldn't find listen session:"
- "listener handle %llx", getpid (), handle);
- break;
- }
+ break;
- clib_fifo_add2 (session->accept_evts_fifo, vcl_msg);
- vcl_msg->accepted_msg = *accepted_msg;
session_events = session->vep.ev.events;
if (!(EPOLLIN & session_events))
break;
break;
case SESSION_CTRL_EVT_CONNECTED:
connected_msg = (session_connected_msg_t *) e->data;
- vcl_session_connected_handler (wrk, connected_msg);
+ sid = vcl_session_connected_handler (wrk, connected_msg);
/* Generate EPOLLOUT because there's no connected event */
- sid = vcl_session_index_from_vpp_handle (wrk, connected_msg->handle);
- session = vcl_session_get (wrk, sid);
+ if (!(session = vcl_session_get (wrk, sid)))
+ break;
session_events = session->vep.ev.events;
- if (EPOLLOUT & session_events)
- {
- add_event = 1;
- events[*num_ev].events |= EPOLLOUT;
- session_evt_data = session->vep.ev.data.u64;
- }
+ if (!(EPOLLOUT & session_events))
+ break;
+ add_event = 1;
+ events[*num_ev].events |= EPOLLOUT;
+ session_evt_data = session->vep.ev.data.u64;
+ if (session->session_state & STATE_DETACHED)
+ events[*num_ev].events |= EPOLLHUP;
break;
case SESSION_CTRL_EVT_DISCONNECTED:
disconnected_msg = (session_disconnected_msg_t *) e->data;
- sid = vcl_session_index_from_vpp_handle (wrk, disconnected_msg->handle);
- if (!(session = vcl_session_get (wrk, sid)))
+ session = vcl_session_disconnected_handler (wrk, disconnected_msg);
+ if (!session)
break;
+ session_events = session->vep.ev.events;
add_event = 1;
events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP;
session_evt_data = session->vep.ev.data.u64;
- session_events = session->vep.ev.events;
break;
case SESSION_CTRL_EVT_RESET:
sid = vcl_session_reset_handler (wrk, (session_reset_msg_t *) e->data);
if (!(session = vcl_session_get (wrk, sid)))
break;
+ session_events = session->vep.ev.events;
add_event = 1;
events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP;
session_evt_data = session->vep.ev.data.u64;
- session_events = session->vep.ev.events;
+ break;
+ case SESSION_CTRL_EVT_UNLISTEN_REPLY:
+ vcl_session_unlisten_reply_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_MIGRATED:
+ vcl_session_migrated_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_CLEANUP:
+ vcl_session_cleanup_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_REQ_WORKER_UPDATE:
+ vcl_session_req_worker_update_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_WORKER_UPDATE_REPLY:
+ vcl_session_worker_update_reply_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_APP_ADD_SEGMENT:
+ vcl_session_app_add_segment_handler (wrk, e->data);
+ break;
+ case SESSION_CTRL_EVT_APP_DEL_SEGMENT:
+ vcl_session_app_del_segment_handler (wrk, e->data);
break;
default:
VDBG (0, "unhandled: %u", e->event_type);
}
}
}
- vcl_mq_dequeue_batch (wrk, mq);
+ ASSERT (maxevents > *num_ev);
+ vcl_mq_dequeue_batch (wrk, mq, maxevents - *num_ev);
svm_msg_q_unlock (mq);
handle_dequeued:
{
msg = vec_elt_at_index (wrk->mq_msg_vector, i);
e = svm_msg_q_msg_data (mq, msg);
- if (*num_ev < maxevents)
- vcl_epoll_wait_handle_mq_event (wrk, e, events, num_ev);
- else
- vec_add1 (wrk->unhandled_evts_vector, *e);
+ vcl_epoll_wait_handle_mq_event (wrk, e, events, num_ev);
svm_msg_q_free_msg (mq, msg);
}
vec_reset_length (wrk->mq_msg_vector);
-
+ vcl_handle_pending_wrk_updates (wrk);
return *num_ev;
}
vppcom_epoll_wait_condvar (vcl_worker_t * wrk, struct epoll_event *events,
int maxevents, u32 n_evts, double wait_for_time)
{
- vcl_cut_through_registration_t *cr;
- double total_wait = 0, wait_slice;
- int rv;
+ double wait = 0, start = 0, now;
- wait_for_time = (wait_for_time == -1) ? (double) 10e9 : wait_for_time;
- wait_slice = wrk->cut_through_registrations ? 10e-6 : wait_for_time;
+ if (!n_evts)
+ {
+ wait = wait_for_time;
+ start = clib_time_now (&wrk->clib_time);
+ }
do
{
- vcl_ct_registration_lock (wrk);
- /* *INDENT-OFF* */
- pool_foreach (cr, wrk->cut_through_registrations, ({
- vcl_epoll_wait_handle_mq (wrk, cr->mq, events, maxevents, 0, &n_evts);
- }));
- /* *INDENT-ON* */
- vcl_ct_registration_unlock (wrk);
-
- rv = vcl_epoll_wait_handle_mq (wrk, wrk->app_event_queue, events,
- maxevents, n_evts ? 0 : wait_slice,
- &n_evts);
- if (rv)
- total_wait += wait_slice;
+ vcl_epoll_wait_handle_mq (wrk, wrk->app_event_queue, events, maxevents,
+ wait, &n_evts);
if (n_evts)
return n_evts;
+ if (wait == -1)
+ continue;
+
+ now = clib_time_now (&wrk->clib_time);
+ wait -= now - start;
+ start = now;
}
- while (total_wait < wait_for_time);
- return n_evts;
+ while (wait > 0);
+
+ return 0;
}
static int
if (PREDICT_FALSE (maxevents <= 0))
{
- clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
- getpid (), maxevents);
+ VDBG (0, "ERROR: Invalid maxevents (%d)!", maxevents);
return VPPCOM_EINVAL;
}
if (PREDICT_FALSE (!vep_session->is_vep))
{
- clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
- getpid (), vep_handle);
+ VDBG (0, "ERROR: vep_idx (%u) is not a vep!", vep_handle);
return VPPCOM_EINVAL;
}
events, &n_evts);
if (n_evts == maxevents)
{
- i += 1;
- break;
+ vec_delete (wrk->unhandled_evts_vector, i + 1, 0);
+ return n_evts;
}
}
-
- vec_delete (wrk->unhandled_evts_vector, i, 0);
+ vec_reset_length (wrk->unhandled_evts_vector);
}
if (vcm->cfg.use_mq_eventfd)
vcl_worker_t *wrk = vcl_worker_get_current ();
vcl_session_t *session;
int rv = VPPCOM_OK;
- u32 *flags = buffer;
+ u32 *flags = buffer, tmp_flags = 0;
vppcom_endpt_t *ep = buffer;
session = vcl_session_get_w_handle (wrk, session_handle);
switch (op)
{
case VPPCOM_ATTR_GET_NREAD:
- rv = vppcom_session_read_ready (session);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
- getpid (), rv);
+ rv = vcl_session_read_ready (session);
+ VDBG (2, "VPPCOM_ATTR_GET_NREAD: sh %u, nread = %d", session_handle,
+ rv);
break;
case VPPCOM_ATTR_GET_NWRITE:
- rv = vppcom_session_write_ready (session);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
- getpid (), session_handle, rv);
+ rv = vcl_session_write_ready (session);
+ VDBG (2, "VPPCOM_ATTR_GET_NWRITE: sh %u, nwrite = %d", session_handle,
+ rv);
break;
case VPPCOM_ATTR_GET_FLAGS:
*flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr,
VCL_SESS_ATTR_NONBLOCK));
*buflen = sizeof (*flags);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, flags = 0x%08x, "
- "is_nonblocking = %u", getpid (),
- session_handle, *flags,
+ VDBG (2, "VPPCOM_ATTR_GET_FLAGS: sh %u, flags = 0x%08x, "
+ "is_nonblocking = %u", session_handle, *flags,
VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK));
}
else
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, flags = 0x%08x,"
- " is_nonblocking = %u",
- getpid (), session_handle, *flags,
+ VDBG (2, "VPPCOM_ATTR_SET_FLAGS: sh %u, flags = 0x%08x,"
+ " is_nonblocking = %u", session_handle, *flags,
VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK));
}
else
clib_memcpy_fast (ep->ip, &session->transport.rmt_ip.ip6,
sizeof (ip6_address_t));
*buflen = sizeof (*ep);
- VDBG (1, "VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, is_ip4 = %u, "
- "addr = %U, port %u", getpid (),
- session_handle, ep->is_ip4, format_ip46_address,
- &session->transport.rmt_ip,
+ VDBG (1, "VPPCOM_ATTR_GET_PEER_ADDR: sh %u, is_ip4 = %u, "
+ "addr = %U, port %u", session_handle, ep->is_ip4,
+ format_ip46_address, &session->transport.rmt_ip,
ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
clib_net_to_host_u16 (ep->port));
}
clib_memcpy_fast (ep->ip, &session->transport.lcl_ip.ip6,
sizeof (ip6_address_t));
*buflen = sizeof (*ep);
- VDBG (1, "VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, is_ip4 = %u,"
- " addr = %U port %d", getpid (),
- session_handle, ep->is_ip4, format_ip46_address,
+ VDBG (1, "VPPCOM_ATTR_GET_LCL_ADDR: sh %u, is_ip4 = %u, addr = %U"
+ " port %d", session_handle, ep->is_ip4, format_ip46_address,
+ &session->transport.lcl_ip,
+ ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
+ clib_net_to_host_u16 (ep->port));
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
+ case VPPCOM_ATTR_SET_LCL_ADDR:
+ if (PREDICT_TRUE (buffer && buflen &&
+ (*buflen >= sizeof (*ep)) && ep->ip))
+ {
+ session->transport.is_ip4 = ep->is_ip4;
+ session->transport.lcl_port = ep->port;
+ vcl_ip_copy_from_ep (&session->transport.lcl_ip, ep);
+ *buflen = sizeof (*ep);
+ VDBG (1, "VPPCOM_ATTR_SET_LCL_ADDR: sh %u, is_ip4 = %u, addr = %U"
+ " port %d", session_handle, ep->is_ip4, format_ip46_address,
&session->transport.lcl_ip,
ep->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
clib_net_to_host_u16 (ep->port));
case VPPCOM_ATTR_GET_LIBC_EPFD:
rv = session->libc_epfd;
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
- getpid (), rv);
+ VDBG (2, "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d", rv);
break;
case VPPCOM_ATTR_SET_LIBC_EPFD:
session->libc_epfd = *(int *) buffer;
*buflen = sizeof (session->libc_epfd);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
- "buflen %d", getpid (), session->libc_epfd, *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, buflen %d",
+ session->libc_epfd, *buflen);
}
else
rv = VPPCOM_EINVAL;
*(int *) buffer = session->session_type;
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), buflen %d",
- getpid (), *(int *) buffer, *(int *) buffer ? "UDP" : "TCP",
- *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_PROTOCOL: %d (%s), buflen %d",
+ *(int *) buffer, *(int *) buffer ? "UDP" : "TCP", *buflen);
}
else
rv = VPPCOM_EINVAL;
VCL_SESS_ATTR_LISTEN);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, buflen %d",
- getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_LISTEN: %d, buflen %d", *(int *) buffer,
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
*(int *) buffer = 0;
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, buflen %d, #VPP-TBD#",
- getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_ERROR: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
/* VPP-TBD */
*(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
- session->tx_fifo ? session->tx_fifo->nitems :
+ session->tx_fifo ?
+ svm_fifo_size (session->tx_fifo) :
vcm->cfg.tx_fifo_size);
*buflen = sizeof (u32);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
- "buflen %d, #VPP-TBD#", getpid (),
- *(size_t *) buffer, *(size_t *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), buflen %d,"
+ " #VPP-TBD#", *(size_t *) buffer, *(size_t *) buffer,
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
{
/* VPP-TBD */
session->sndbuf_size = *(u32 *) buffer;
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
- "buflen %d, #VPP-TBD#", getpid (),
- session->sndbuf_size, session->sndbuf_size, *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), buflen %d,"
+ " #VPP-TBD#", session->sndbuf_size, session->sndbuf_size,
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
/* VPP-TBD */
*(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
- session->rx_fifo ? session->rx_fifo->nitems :
+ session->rx_fifo ?
+ svm_fifo_size (session->rx_fifo) :
vcm->cfg.rx_fifo_size);
*buflen = sizeof (u32);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
- "buflen %d, #VPP-TBD#", getpid (),
- *(size_t *) buffer, *(size_t *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), buflen %d, "
+ "#VPP-TBD#", *(size_t *) buffer, *(size_t *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
{
/* VPP-TBD */
session->rcvbuf_size = *(u32 *) buffer;
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), "
- "buflen %d, #VPP-TBD#", getpid (),
- session->sndbuf_size, session->sndbuf_size, *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_RX_FIFO_LEN: %u (0x%x), buflen %d,"
+ " #VPP-TBD#", session->sndbuf_size, session->sndbuf_size,
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
VCL_SESS_ATTR_REUSEADDR);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
- "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_REUSEADDR: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, buflen %d,"
- " #VPP-TBD#", getpid (),
- VCL_SESS_ATTR_TEST (session->attr,
- VCL_SESS_ATTR_REUSEADDR), *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_REUSEADDR: %d, buflen %d, #VPP-TBD#",
+ VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_REUSEADDR),
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
VCL_SESS_ATTR_REUSEPORT);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, buflen %d,"
- " #VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_REUSEPORT: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, buflen %d,"
- " #VPP-TBD#", getpid (),
- VCL_SESS_ATTR_TEST (session->attr,
- VCL_SESS_ATTR_REUSEPORT), *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_REUSEPORT: %d, buflen %d, #VPP-TBD#",
+ VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_REUSEPORT),
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
VCL_SESS_ATTR_BROADCAST);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, buflen %d,"
- " #VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_BROADCAST: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, buflen %d, "
- "#VPP-TBD#", getpid (),
- VCL_SESS_ATTR_TEST (session->attr,
- VCL_SESS_ATTR_BROADCAST), *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_BROADCAST: %d, buflen %d, #VPP-TBD#",
+ VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_BROADCAST),
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
VCL_SESS_ATTR_V6ONLY);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, buflen %d, "
- "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_V6ONLY: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, buflen %d, "
- "#VPP-TBD#", getpid (),
- VCL_SESS_ATTR_TEST (session->attr,
- VCL_SESS_ATTR_V6ONLY), *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_V6ONLY: %d, buflen %d, #VPP-TBD#",
+ VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_V6ONLY),
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
VCL_SESS_ATTR_KEEPALIVE);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, buflen %d, "
- "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_KEEPALIVE: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, buflen %d, "
- "#VPP-TBD#", getpid (),
- VCL_SESS_ATTR_TEST (session->attr,
- VCL_SESS_ATTR_KEEPALIVE), *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_KEEPALIVE: %d, buflen %d, #VPP-TBD#",
+ VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_KEEPALIVE),
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
VCL_SESS_ATTR_TCP_NODELAY);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, buflen %d, "
- "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_TCP_NODELAY: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, buflen %d, "
- "#VPP-TBD#", getpid (),
- VCL_SESS_ATTR_TEST (session->attr,
- VCL_SESS_ATTR_TCP_NODELAY), *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_TCP_NODELAY: %d, buflen %d, #VPP-TBD#",
+ VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_TCP_NODELAY),
+ *buflen);
}
else
rv = VPPCOM_EINVAL;
VCL_SESS_ATTR_TCP_KEEPIDLE);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, buflen %d, "
- "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, buflen %d, "
- "#VPP-TBD#", getpid (),
+ VDBG (2, "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, buflen %d, #VPP-TBD#",
VCL_SESS_ATTR_TEST (session->attr,
VCL_SESS_ATTR_TCP_KEEPIDLE), *buflen);
}
VCL_SESS_ATTR_TCP_KEEPINTVL);
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, buflen %d, "
- "#VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
else
VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, buflen %d, "
- "#VPP-TBD#", getpid (),
+ VDBG (2, "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, buflen %d, #VPP-TBD#",
VCL_SESS_ATTR_TEST (session->attr,
VCL_SESS_ATTR_TCP_KEEPINTVL), *buflen);
}
*(u32 *) buffer = session->user_mss;
*buflen = sizeof (int);
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, buflen %d,"
- " #VPP-TBD#", getpid (), *(int *) buffer, *buflen);
+ VDBG (2, "VPPCOM_ATTR_GET_TCP_USER_MSS: %d, buflen %d, #VPP-TBD#",
+ *(int *) buffer, *buflen);
}
else
rv = VPPCOM_EINVAL;
/* VPP-TBD */
session->user_mss = *(u32 *) buffer;
- VDBG (2, "VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, buflen %d, "
- "#VPP-TBD#", getpid (), session->user_mss, *buflen);
+ VDBG (2, "VPPCOM_ATTR_SET_TCP_USER_MSS: %u, buflen %d, #VPP-TBD#",
+ session->user_mss, *buflen);
}
else
rv = VPPCOM_EINVAL;
break;
- case VPPCOM_ATTR_GET_REFCNT:
- rv = vcl_session_get_refcnt (session);
+ case VPPCOM_ATTR_SET_SHUT:
+ if (*flags == SHUT_RD || *flags == SHUT_RDWR)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_SHUT_RD);
+ if (*flags == SHUT_WR || *flags == SHUT_RDWR)
+ VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_SHUT_WR);
break;
+ case VPPCOM_ATTR_GET_SHUT:
+ if (VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_SHUT_RD))
+ tmp_flags = 1;
+ if (VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_SHUT_WR))
+ tmp_flags |= 2;
+ if (tmp_flags == 1)
+ *(int *) buffer = SHUT_RD;
+ else if (tmp_flags == 2)
+ *(int *) buffer = SHUT_WR;
+ else if (tmp_flags == 3)
+ *(int *) buffer = SHUT_RDWR;
+ *buflen = sizeof (int);
+ break;
default:
rv = VPPCOM_EINVAL;
break;
session = vcl_session_get_w_handle (wrk, session_handle);
if (PREDICT_FALSE (!session))
{
- VDBG (0, "VCL<%d>: invalid session, sid (%u) has been closed!",
- getpid (), session_handle);
+ VDBG (0, "sh 0x%llx is closed!", session_handle);
return VPPCOM_EBADFD;
}
ep->is_ip4 = session->transport.is_ip4;
rv = vppcom_session_peek (session_handle, buffer, buflen);
else
{
- clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
- getpid (), flags);
+ VDBG (0, "Unsupport flags for recvfrom %d", flags);
return VPPCOM_EAFNOSUPPORT;
}
if (flags)
{
// TBD check the flags and do the right thing
- VDBG (2, "VCL<%d>: handling flags 0x%u (%d) not implemented yet.",
- getpid (), flags, flags);
+ VDBG (2, "handling flags 0x%u (%d) not implemented yet.", flags, flags);
}
return (vppcom_session_write_inline (session_handle, buffer, buflen, 1));
session_event_t *e;
int rv, num_ev = 0;
- VDBG (3, "VCL<%d>: vp %p, nsids %u, wait_for_time %f",
- getpid (), vp, n_sids, wait_for_time);
+ VDBG (3, "vp %p, nsids %u, wait_for_time %f", vp, n_sids, wait_for_time);
if (!vp)
return VPPCOM_EFAULT;
for (i = 0; i < n_sids; i++)
{
- session = vcl_session_get (wrk, vp[i].sid);
+ session = vcl_session_get (wrk, vp[i].sh);
if (!session)
{
vp[i].revents = POLLHUP;
if (POLLIN & vp[i].events)
{
- rv = vppcom_session_read_ready (session);
+ rv = vcl_session_read_ready (session);
if (rv > 0)
{
vp[i].revents |= POLLIN;
if (POLLOUT & vp[i].events)
{
- rv = vppcom_session_write_ready (session);
+ rv = vcl_session_write_ready (session);
if (rv > 0)
{
vp[i].revents |= POLLOUT;
}
while ((num_ev == 0) && keep_trying);
- if (VPPCOM_DEBUG > 3)
- {
- clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
- for (i = 0; i < n_sids; i++)
- {
- clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
- ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
- vp[i].events, vp[i].revents);
- }
- }
return num_ev;
}
}
int
-vppcom_session_index (uint32_t session_handle)
+vppcom_session_index (vcl_session_handle_t session_handle)
{
return session_handle & 0xFFFFFF;
}
int
-vppcom_session_handle (uint32_t session_index)
+vppcom_session_worker (vcl_session_handle_t session_handle)
{
- return (vcl_get_worker_index () << 24) | session_index;
+ return session_handle >> 24;
}
int
vppcom_worker_register (void)
{
+ vcl_worker_t *wrk;
+ u8 *wrk_name = 0;
+ int rv;
+
if (!vcl_worker_alloc_and_init ())
return VPPCOM_EEXIST;
- if (vcl_worker_set_bapi ())
- return VPPCOM_EEXIST;
+ wrk = vcl_worker_get_current ();
+ wrk_name = format (0, "%s-wrk-%u", vcm->app_name, wrk->wrk_index);
+
+ rv = vppcom_connect_to_vpp ((char *) wrk_name);
+ vec_free (wrk_name);
+
+ if (rv)
+ return VPPCOM_EFAULT;
if (vcl_worker_register_with_vpp ())
return VPPCOM_EEXIST;
return VPPCOM_OK;
}
+void
+vppcom_worker_unregister (void)
+{
+ vcl_worker_cleanup (vcl_worker_get_current (), 1 /* notify vpp */ );
+ vcl_set_worker_index (~0);
+}
+
int
vppcom_worker_index (void)
{
return vcl_get_worker_index ();
}
+int
+vppcom_worker_mqs_epfd (void)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ if (!vcm->cfg.use_mq_eventfd)
+ return -1;
+ return wrk->mqs_epfd;
+}
+
+int
+vppcom_session_is_connectable_listener (uint32_t session_handle)
+{
+ vcl_session_t *session;
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+ return vcl_session_is_connectable_listener (wrk, session);
+}
+
+int
+vppcom_session_listener (uint32_t session_handle)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *listen_session, *session;
+ session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+ if (session->listener_index == VCL_INVALID_SESSION_INDEX)
+ return VPPCOM_EBADFD;
+ listen_session = vcl_session_get_w_handle (wrk, session->listener_index);
+ if (!listen_session)
+ return VPPCOM_EBADFD;
+ return vcl_session_handle (listen_session);
+}
+
+int
+vppcom_session_n_accepted (uint32_t session_handle)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session = vcl_session_get_w_handle (wrk, session_handle);
+ if (!session)
+ return VPPCOM_EBADFD;
+ return session->n_accepted_sessions;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff