__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 0;
- timeout = clib_time_now (&wrk->clib_time) + wait_for_seconds;
- while (clib_time_now (&wrk->clib_time) < timeout)
- {
- segment_index = vcl_segment_table_lookup (segment_handle);
- if (segment_index != VCL_INVALID_SEGMENT_INDEX)
- return 0;
- usleep (10);
- }
+ segment_index = vcl_segment_table_lookup (segment_handle);
+ if (segment_index != VCL_INVALID_SEGMENT_INDEX)
+ return 0;
+
return 1;
}
switch (state)
{
- case STATE_START:
- st = "STATE_START";
+ case STATE_CLOSED:
+ st = "STATE_CLOSED";
break;
case STATE_CONNECT:
st = "STATE_DISCONNECT";
break;
- case STATE_FAILED:
- st = "STATE_FAILED";
+ case STATE_DETACHED:
+ st = "STATE_DETACHED";
break;
case STATE_UPDATED:
* 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;
+
+ 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)
+{
+ 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
vcl_send_session_accepted_reply (svm_msg_q_t * mq, u32 context,
goto error;
}
- if (vcl_wait_for_segment (mp->segment_handle))
+ if (vcl_segment_is_not_mounted (wrk, mp->segment_handle))
{
- VDBG (0, "ERROR: segment for session %u couldn't be mounted!",
+ VDBG (0, "ERROR: segment for session %u is not mounted!",
session->session_index);
goto error;
}
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;
+ 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,
{
VDBG (0, "ERROR: session index %u: connect failed! %U",
session_index, format_api_error, ntohl (mp->retval));
- session->session_state = STATE_FAILED;
+ 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))
{
- VDBG (0, "segment for session %u couldn't be mounted!",
+ VDBG (0, "segment for session %u is not mounted!",
session->session_index);
- session->session_state = STATE_FAILED;
- return VCL_INVALID_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 ();
- 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_wait_for_segment (mp->ct_segment_handle))
+ if (vcl_segment_is_not_mounted (wrk, mp->ct_segment_handle))
{
- VDBG (0, "ct segment for session %u couldn't be mounted!",
+ VDBG (0, "ct segment for session %u is not mounted!",
session->session_index);
- session->session_state = STATE_FAILED;
- return VCL_INVALID_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->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,
format_api_error, mp->retval);
if (session)
{
- session->session_state = STATE_FAILED;
+ session->session_state = STATE_DETACHED;
session->vpp_handle = mp->handle;
return sid;
}
vec_validate (wrk->vpp_event_queues, 0);
wrk->vpp_event_queues[0] = session->vpp_evt_q;
- if (session->is_dgram)
+ 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 *);
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)
{
}
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 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)
{
return 0;
}
- session->session_state = STATE_VPP_CLOSING;
+ /* 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)
{
VDBG (0, "unknown handle 0x%llx", msg->handle);
return;
}
- if (vcl_wait_for_segment (msg->segment_handle))
+ if (vcl_segment_is_not_mounted (wrk, msg->segment_handle))
{
- clib_warning ("segment for session %u couldn't be mounted!",
+ clib_warning ("segment for session %u is not mounted!",
s->session_index);
return;
}
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)
{
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;
}
- if (session->session_state & STATE_FAILED)
+ if (session->session_state & STATE_DETACHED)
{
return VPPCOM_ECONNREFUSED;
}
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;
- 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, "session %u [0x%llx]: sending unbind!", session->session_index,
- vpp_handle);
+ session->vpp_handle);
vcl_evt (VCL_EVT_UNBIND, session);
- vppcom_send_unbind_sock (wrk, 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;
+ vcl_session_t *session, *listen_session;
vcl_session_state_t state;
u64 vpp_handle;
{
VDBG (1, "session %u [0x%llx]: sending disconnect...",
session->session_index, vpp_handle);
- vppcom_send_disconnect_session (vpp_handle);
+ vcl_send_session_disconnect (wrk, session);
+ }
+
+ if (session->listener_index != VCL_INVALID_SESSION_INDEX)
+ {
+ listen_session = vcl_session_get (wrk, session->listener_index);
+ listen_session->n_accepted_sessions--;
}
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 */ );
}
/*
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);
next_sh = session->vep.next_sh;
}
+ goto cleanup;
}
- else
+
+ if (session->is_vep_session)
{
- 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));
- }
+ 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));
+ }
- if (!do_disconnect)
- {
- VDBG (1, "session %u [0x%llx] disconnect skipped",
- session->session_index, vpp_handle);
- goto cleanup;
- }
+ if (!do_disconnect)
+ {
+ VDBG (1, "session %u [0x%llx] disconnect skipped",
+ session->session_index, vpp_handle);
+ goto cleanup;
+ }
- 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)
- {
- 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));
- }
- 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);
- }
+ 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)))
+ {
+ 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));
}
+ 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 %u [0x%llx] removed", session->session_index, 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 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);
* 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;
}
if (key_len == 0 || key_len == ~0)
return VPPCOM_EBADFD;
- /*
- * Send listen request to vpp and wait for reply
- */
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
return VPPCOM_EBADFD;
}
- if (ls->session_state != STATE_LISTEN)
+ if ((ls->session_state != STATE_LISTEN)
+ && (!vcl_session_is_connectable_listener (wrk, ls)))
{
- VDBG (0, "ERROR: session [0x%llx]: not in listen state! state 0x%x"
- " (%s)", ls->vpp_handle, ls->session_index, ls->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)
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)
{
- VDBG (0, "discarded event: %u", e->event_type);
+ vcl_handle_mq_event (wrk, e);
svm_msg_q_free_msg (wrk->app_event_queue, &msg);
continue;
}
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)
{
VDBG (0, "session handle %u [0x%llx]: session already "
"connected to %s %U port %d proto %s, state 0x%x (%s)",
session_handle, session->vpp_handle,
- session->transport.is_ip4 ? "IPv4" : "IPv6",
- format_ip46_address,
+ 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->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, "session handle %u [0x%llx]: connecting to server %s %U "
- "port %d proto %s", session_handle, session->vpp_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 ?
clib_net_to_host_u16 (session->transport.rmt_port),
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;
+
+ /*
+ * Wait for reply from vpp if blocking
+ */
+ 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");
+
+ 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))
+ {
+ 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, "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
*/
- vppcom_send_connect_sock (session);
+ 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");
{
if (is_nonblocking)
{
+ if (vcl_session_is_closing (s))
+ return vcl_session_closing_error (s);
svm_fifo_unset_event (s->rx_fifo);
return VPPCOM_EWOULDBLOCK;
}
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);
}
#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)) \
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);
+ if (sid == VCL_INVALID_SESSION_INDEX)
+ break;
+ if (sid < n_bits && write_map)
+ {
+ clib_bitmap_set_no_check ((uword *) write_map, sid, 1);
+ *bits_set += 1;
+ }
break;
case SESSION_CTRL_EVT_DISCONNECTED:
disconnected_msg = (session_disconnected_msg_t *) e->data;
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;
}
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 <= 2)
return;
- session = vcl_session_get (wrk, vep_idx);
+ session = vcl_session_get_w_handle (wrk, vep_handle);
if (PREDICT_FALSE (!session))
{
- VDBG (0, "ERROR: Invalid vep_idx (%u)!", vep_idx);
+ VDBG (0, "ERROR: Invalid vep_sh (%u)!", vep_handle);
goto done;
}
if (PREDICT_FALSE (!session->is_vep))
{
- VDBG (0, "ERROR: vep_idx (%u) is not a vep!", vep_idx);
+ VDBG (0, "ERROR: vep_sh (%u) is not a vep!", vep_handle);
goto done;
}
vep = &session->vep;
- VDBG (0, "vep_idx (%u): Dumping epoll chain\n"
+ VDBG (0, "vep_sh (%u): Dumping epoll chain\n"
"{\n"
" is_vep = %u\n"
" is_vep_session = %u\n"
- " next_sid = 0x%x (%u)\n"
- "}\n", vep_idx, session->is_vep, session->is_vep_session,
+ " 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))
{
- VDBG (0, "ERROR: Invalid sid (%u)!", sid);
+ VDBG (0, "ERROR: Invalid sh (%u)!", sh);
goto done;
}
if (PREDICT_FALSE (session->is_vep))
{
- VDBG (0, "ERROR: sid (%u) is a vep!", vep_idx);
+ VDBG (0, "ERROR: sh (%u) is a vep!", vep_handle);
}
else if (PREDICT_FALSE (!session->is_vep_session))
{
- VDBG (0, "ERROR: session (%u) is not a vep session!", 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))
- VDBG (0, "ERROR: session (%u) vep_idx (%u) != vep_idx (%u)!",
- 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)
{
- VDBG (0, "vep_idx[%u]: sid 0x%x (%u)\n"
+ VDBG (0, "vep_sh[%u]: sh 0x%x (%u)\n"
"{\n"
- " next_sid = 0x%x (%u)\n"
- " prev_sid = 0x%x (%u)\n"
- " vep_idx = 0x%x (%u)\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_idx, sid, sid, vep->next_sh, vep->next_sh, vep->prev_sh,
+ 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:
- VDBG (0, "vep_idx (%u): Dump complete!\n", vep_idx);
+ VDBG (0, "vep_sh (%u): Dump complete!\n", vep_handle);
}
int
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);
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, "EPOLL_CTL_MOD: vep_sh %u, sh %u, events 0x%x, data 0x%llx!",
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);
if (!(session = vcl_session_get (wrk, sid)))
break;
session_events = session->vep.ev.events;
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;
if (!session)
break;
session_events = session->vep.ev.events;
- if (!((EPOLLHUP | EPOLLRDHUP) & session_events))
- break;
add_event = 1;
events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP;
session_evt_data = session->vep.ev.data.u64;
if (!(session = vcl_session_get (wrk, sid)))
break;
session_events = session->vep.ev.events;
- if (!((EPOLLHUP | EPOLLRDHUP) & session_events))
- break;
add_event = 1;
events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP;
session_evt_data = session->vep.ev.data.u64;
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);
break;
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));
+ }
+ else
+ rv = VPPCOM_EINVAL;
+ break;
+
case VPPCOM_ATTR_GET_LIBC_EPFD:
rv = session->libc_epfd;
VDBG (2, "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d", rv);
/* 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);
/* 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);
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 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