_(APP_NAMESPACE_ADD_DEL, app_namespace_add_del) \
_(SESSION_RULE_ADD_DEL, session_rule_add_del) \
_(SESSION_RULES_DUMP, session_rules_dump) \
-_(APPLICATION_TLS_CERT_ADD, application_tls_cert_add) \
-_(APPLICATION_TLS_KEY_ADD, application_tls_key_add) \
_(APP_ADD_CERT_KEY_PAIR, app_add_cert_key_pair) \
_(APP_DEL_CERT_KEY_PAIR, app_del_cert_key_pair) \
_(APP_WORKER_ADD_DEL, app_worker_add_del) \
{
app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
svm_msg_q_msg_t _msg, *msg = &_msg;
- svm_msg_q_t *vpp_queue, *app_mq;
+ svm_msg_q_t *app_mq;
+ fifo_segment_t *eq_seg;
session_t *listener;
session_accepted_msg_t *mp;
session_event_t *evt;
mp = (session_accepted_msg_t *) evt->data;
clib_memset (mp, 0, sizeof (*mp));
mp->context = app->app_index;
- mp->server_rx_fifo = pointer_to_uword (s->rx_fifo);
- mp->server_tx_fifo = pointer_to_uword (s->tx_fifo);
+ mp->server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
+ mp->server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
mp->segment_handle = session_segment_handle (s);
mp->flags = s->flags;
+ eq_seg = session_main_get_evt_q_segment ();
+
if (session_has_transport (s))
{
listener = listen_session_get_from_handle (s->listener_handle);
if (listener)
mp->listener_handle = listen_session_get_handle (listener);
}
- vpp_queue = session_main_get_vpp_event_queue (s->thread_index);
- mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
+ mp->vpp_event_queue_address =
+ fifo_segment_msg_q_offset (eq_seg, s->thread_index);
+ mp->mq_index = s->thread_index;
mp->handle = session_handle (s);
session_get_endpoint (s, &mp->rmt, 0 /* is_lcl */ );
mp->rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
mp->rmt.port = ct->c_rmt_port;
mp->handle = session_handle (s);
- vpp_queue = session_main_get_vpp_event_queue (0);
- mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
+ mp->vpp_event_queue_address =
+ fifo_segment_msg_q_offset (eq_seg, s->thread_index);
+ mp->mq_index = s->thread_index;
}
svm_msg_q_add_and_unlock (app_mq, msg);
if (!app)
return;
- for (i = 0; i < f->n_subscribers; i++)
+ for (i = 0; i < f->shr->n_subscribers; i++)
{
- if (!(app_wrk = application_get_worker (app, f->subscribers[i])))
+ if (!(app_wrk = application_get_worker (app, f->shr->subscribers[i])))
continue;
mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
}
{
svm_msg_q_msg_t _msg, *msg = &_msg;
session_connected_msg_t *mp;
- svm_msg_q_t *vpp_mq, *app_mq;
+ svm_msg_q_t *app_mq;
transport_connection_t *tc;
+ fifo_segment_t *eq_seg;
app_worker_t *app_wrk;
session_event_t *evt;
if (err)
goto done;
+ eq_seg = session_main_get_evt_q_segment ();
+
if (session_has_transport (s))
{
tc = session_get_transport (s);
goto done;
}
- vpp_mq = session_main_get_vpp_event_queue (s->thread_index);
mp->handle = session_handle (s);
- mp->vpp_event_queue_address = pointer_to_uword (vpp_mq);
+ mp->vpp_event_queue_address =
+ fifo_segment_msg_q_offset (eq_seg, s->thread_index);
session_get_endpoint (s, &mp->lcl, 1 /* is_lcl */ );
- mp->server_rx_fifo = pointer_to_uword (s->rx_fifo);
- mp->server_tx_fifo = pointer_to_uword (s->tx_fifo);
+ mp->server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
+ mp->server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
mp->segment_handle = session_segment_handle (s);
}
else
mp->handle = session_handle (s);
mp->lcl.port = cct->c_lcl_port;
mp->lcl.is_ip4 = cct->c_is_ip4;
- vpp_mq = session_main_get_vpp_event_queue (0);
- mp->vpp_event_queue_address = pointer_to_uword (vpp_mq);
- mp->server_rx_fifo = pointer_to_uword (s->rx_fifo);
- mp->server_tx_fifo = pointer_to_uword (s->tx_fifo);
+ mp->vpp_event_queue_address =
+ fifo_segment_msg_q_offset (eq_seg, s->thread_index);
+ mp->server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
+ mp->server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
mp->segment_handle = session_segment_handle (s);
ss = ct_session_get_peer (s);
- mp->ct_rx_fifo = pointer_to_uword (ss->tx_fifo);
- mp->ct_tx_fifo = pointer_to_uword (ss->rx_fifo);
+ mp->ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
+ mp->ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
mp->ct_segment_handle = session_segment_handle (ss);
}
session_handle_t handle, int rv)
{
svm_msg_q_msg_t _msg, *msg = &_msg;
- svm_msg_q_t *app_mq, *vpp_evt_q;
+ svm_msg_q_t *app_mq;
transport_endpoint_t tep;
session_bound_msg_t *mp;
+ fifo_segment_t *eq_seg;
app_worker_t *app_wrk;
session_event_t *evt;
app_listener_t *al;
mp->lcl_is_ip4 = tep.is_ip4;
clib_memcpy_fast (mp->lcl_ip, &tep.ip, sizeof (tep.ip));
- vpp_evt_q = session_main_get_vpp_event_queue (0);
- mp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
+ eq_seg = session_main_get_evt_q_segment ();
+ mp->vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
{
- mp->rx_fifo = pointer_to_uword (ls->rx_fifo);
- mp->tx_fifo = pointer_to_uword (ls->tx_fifo);
+ mp->rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
+ mp->tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
+ mp->segment_handle = session_segment_handle (ls);
}
done:
{
svm_msg_q_msg_t _msg, *msg = &_msg;
session_migrated_msg_t *mp;
- svm_msg_q_t *vpp_evt_q;
+ fifo_segment_t *eq_seg;
app_worker_t *app_wrk;
session_event_t *evt;
svm_msg_q_t *app_mq;
+ u32 thread_index;
+
+ thread_index = session_thread_from_handle (new_sh);
+ eq_seg = session_main_get_evt_q_segment ();
app_wrk = app_worker_get (s->app_wrk_index);
app_mq = app_wrk->event_queue;
mp = (session_migrated_msg_t *) evt->data;
mp->handle = session_handle (s);
mp->new_handle = new_sh;
- mp->vpp_thread_index = session_thread_from_handle (new_sh);
- vpp_evt_q = session_main_get_vpp_event_queue (mp->vpp_thread_index);
- mp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
+ mp->vpp_thread_index = thread_index;
+ mp->vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
+ mp->segment_handle = session_segment_handle (s);
svm_msg_q_add_and_unlock (app_mq, msg);
}
{
int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
vl_api_app_attach_reply_t *rmp;
- ssvm_private_t *segp, *evt_q_segment;
+ fifo_segment_t *segp, *evt_q_segment = 0;
vnet_app_attach_args_t _a, *a = &_a;
u8 fd_flags = 0, ctrl_thread;
vl_api_registration_t *reg;
- svm_msg_q_t *ctrl_mq;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
- if (session_main_is_enabled () == 0)
+ if (!session_main_is_enabled () || appns_sapi_enabled ())
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
}
+ /* Only support binary api with socket transport */
+ if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
+ {
+ rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
+ goto done;
+ }
STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
sizeof (mp->options),
a->api_client_index = mp->client_index;
a->options = mp->options;
a->session_cb_vft = &session_mq_cb_vft;
-
a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
if ((rv = vnet_application_attach (a)))
if ((evt_q_segment = session_main_get_evt_q_segment ()))
{
fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
- fds[n_fds] = evt_q_segment->fd;
+ fds[n_fds] = evt_q_segment->ssvm.fd;
n_fds += 1;
}
/* Send fifo segment fd if needed */
if (!rv)
{
ctrl_thread = vlib_num_workers () ? 1 : 0;
- ctrl_mq = session_main_get_vpp_event_queue (ctrl_thread);
- segp = a->segment;
+ segp = (fifo_segment_t *) a->segment;
rmp->app_index = clib_host_to_net_u32 (a->app_index);
- rmp->app_mq = pointer_to_uword (a->app_evt_q);
- rmp->vpp_ctrl_mq = pointer_to_uword (ctrl_mq);
+ rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
+ rmp->vpp_ctrl_mq =
+ fifo_segment_msg_q_offset (evt_q_segment, ctrl_thread);
rmp->vpp_ctrl_mq_thread = ctrl_thread;
rmp->n_fds = n_fds;
rmp->fd_flags = fd_flags;
- if (vec_len (segp->name))
+ if (vec_len (segp->ssvm.name))
{
- vl_api_vec_to_api_string (segp->name, &rmp->segment_name);
+ vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
}
- rmp->segment_size = segp->ssvm_size;
+ rmp->segment_size = segp->ssvm.ssvm_size;
rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
}
}));
application_t *app;
u8 fd_flags = 0;
- if (session_main_is_enabled () == 0)
+ if (!session_main_is_enabled () || appns_sapi_enabled ())
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
if (!rv && mp->is_add)
{
+ rmp->app_event_queue_address =
+ fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
+ rmp->n_fds = n_fds;
+ rmp->fd_flags = fd_flags;
if (vec_len (args.segment->name))
{
vl_api_vec_to_api_string (args.segment->name, &rmp->segment_name);
}
- rmp->app_event_queue_address = pointer_to_uword (args.evt_q);
- rmp->n_fds = n_fds;
- rmp->fd_flags = fd_flags;
}
}));
/* *INDENT-ON* */
vnet_app_detach_args_t _a, *a = &_a;
application_t *app;
- if (session_main_is_enabled () == 0)
+ if (!session_main_is_enabled () || appns_sapi_enabled ())
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
goto done;
u8 *tag = 0;
/* *INDENT-OFF* */
srt16 = &srt->session_rules_tables_16;
- pool_foreach (rule16, srt16->rules, ({
+ pool_foreach (rule16, srt16->rules) {
ri = mma_rules_table_rule_index_16 (srt16, rule16);
tag = session_rules_table_rule_tag (srt, ri, 1);
send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
reg, context);
- }));
+ }
/* *INDENT-ON* */
}
if (is_local || fib_proto == FIB_PROTOCOL_IP6)
u8 *tag = 0;
/* *INDENT-OFF* */
srt40 = &srt->session_rules_tables_40;
- pool_foreach (rule40, srt40->rules, ({
+ pool_foreach (rule40, srt40->rules) {
ri = mma_rules_table_rule_index_40 (srt40, rule40);
tag = session_rules_table_rule_tag (srt, ri, 1);
send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
reg, context);
- }));
+ }
/* *INDENT-ON* */
}
}
static void
-vl_api_session_rules_dump_t_handler (vl_api_one_map_server_dump_t * mp)
+vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
{
vl_api_registration_t *reg;
session_table_t *st;
}
clib_memset (a, 0, sizeof (*a));
- vec_validate (a->cert, cert_len);
- vec_validate (a->key, key_len);
- clib_memcpy_fast (a->cert, mp->certkey, cert_len);
- clib_memcpy_fast (a->key, mp->certkey + cert_len, key_len);
+ a->cert = mp->certkey;
+ a->key = mp->certkey + cert_len;
+ a->cert_len = cert_len;
+ a->key_len = key_len;
rv = vnet_app_add_cert_key_pair (a);
- vec_free (a->cert);
- vec_free (a->key);
done:
/* *INDENT-OFF* */
REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
}
-/* ### WILL BE DEPRECATED POST 20.01 ### */
-static void
-vl_api_application_tls_cert_add_t_handler (vl_api_application_tls_cert_add_t *
- mp)
-{
- vl_api_application_tls_cert_add_reply_t *rmp;
- app_cert_key_pair_t *ckpair;
- application_t *app;
- u32 cert_len;
- int rv = 0;
- if (session_main_is_enabled () == 0)
- {
- rv = VNET_API_ERROR_FEATURE_DISABLED;
- goto done;
- }
- if (!(app = application_lookup (mp->client_index)))
- {
- rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
- goto done;
- }
- cert_len = clib_net_to_host_u16 (mp->cert_len);
- if (cert_len > 10000)
- {
- rv = VNET_API_ERROR_INVALID_VALUE;
- goto done;
- }
- ckpair = app_cert_key_pair_get_default ();
- vec_validate (ckpair->cert, cert_len);
- clib_memcpy_fast (ckpair->cert, mp->cert, cert_len);
-
-done:
- REPLY_MACRO (VL_API_APPLICATION_TLS_CERT_ADD_REPLY);
-}
-
-/* ### WILL BE DEPRECATED POST 20.01 ### */
-static void
-vl_api_application_tls_key_add_t_handler (vl_api_application_tls_key_add_t *
- mp)
-{
- vl_api_application_tls_key_add_reply_t *rmp;
- app_cert_key_pair_t *ckpair;
- application_t *app;
- u32 key_len;
- int rv = 0;
- if (session_main_is_enabled () == 0)
- {
- rv = VNET_API_ERROR_FEATURE_DISABLED;
- goto done;
- }
- if (!(app = application_lookup (mp->client_index)))
- {
- rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
- goto done;
- }
- key_len = clib_net_to_host_u16 (mp->key_len);
- if (key_len > 10000)
- {
- rv = VNET_API_ERROR_INVALID_VALUE;
- goto done;
- }
- ckpair = app_cert_key_pair_get_default ();
- vec_validate (ckpair->key, key_len);
- clib_memcpy_fast (ckpair->key, mp->key, key_len);
-done:
- REPLY_MACRO (VL_API_APPLICATION_TLS_KEY_ADD_REPLY);
-}
-
static clib_error_t *
application_reaper_cb (u32 client_index)
{
VLIB_API_INIT_FUNCTION (session_api_hookup);
+/*
+ * Socket api functions
+ */
+
+static void
+sapi_send_fds (app_worker_t * app_wrk, int *fds, int n_fds)
+{
+ app_sapi_msg_t smsg = { 0 };
+ app_namespace_t *app_ns;
+ application_t *app;
+ clib_socket_t *cs;
+ u32 cs_index;
+
+ app = application_get (app_wrk->app_index);
+ app_ns = app_namespace_get (app->ns_index);
+ cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
+ cs = appns_sapi_get_socket (app_ns, cs_index);
+ if (PREDICT_FALSE (!cs))
+ return;
+
+ /* There's no payload for the message only the type */
+ smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
+ clib_socket_sendmsg (cs, &smsg, sizeof (smsg), fds, n_fds);
+}
+
+static int
+mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
+{
+ int fds[SESSION_N_FD_TYPE], n_fds = 0;
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_app_add_segment_msg_t *mp;
+ app_worker_t *app_wrk;
+ session_event_t *evt;
+ svm_msg_q_t *app_mq;
+ fifo_segment_t *fs;
+ ssvm_private_t *sp;
+ u8 fd_flags = 0;
+
+ app_wrk = app_worker_get (app_wrk_index);
+
+ fs = segment_manager_get_segment_w_handle (segment_handle);
+ sp = &fs->ssvm;
+ ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
+
+ fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
+ fds[n_fds] = sp->fd;
+ n_fds += 1;
+
+ app_mq = app_wrk->event_queue;
+ if (mq_try_lock_and_alloc_msg (app_mq, msg))
+ return -1;
+
+ /*
+ * Send the fd over api socket
+ */
+ sapi_send_fds (app_wrk, fds, n_fds);
+
+ /*
+ * Send the actual message over mq
+ */
+ evt = svm_msg_q_msg_data (app_mq, msg);
+ clib_memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
+ mp = (session_app_add_segment_msg_t *) evt->data;
+ clib_memset (mp, 0, sizeof (*mp));
+ mp->segment_size = sp->ssvm_size;
+ mp->fd_flags = fd_flags;
+ mp->segment_handle = segment_handle;
+ strncpy ((char *) mp->segment_name, (char *) sp->name,
+ sizeof (mp->segment_name) - 1);
+
+ svm_msg_q_add_and_unlock (app_mq, msg);
+
+ return 0;
+}
+
+static int
+mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
+{
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ session_app_del_segment_msg_t *mp;
+ app_worker_t *app_wrk;
+ session_event_t *evt;
+ svm_msg_q_t *app_mq;
+
+ app_wrk = app_worker_get (app_wrk_index);
+
+ app_mq = app_wrk->event_queue;
+ if (mq_try_lock_and_alloc_msg (app_mq, msg))
+ return -1;
+
+ evt = svm_msg_q_msg_data (app_mq, msg);
+ clib_memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
+ mp = (session_app_del_segment_msg_t *) evt->data;
+ clib_memset (mp, 0, sizeof (*mp));
+ mp->segment_handle = segment_handle;
+ svm_msg_q_add_and_unlock (app_mq, msg);
+
+ return 0;
+}
+
+static session_cb_vft_t session_mq_sapi_cb_vft = {
+ .session_accept_callback = mq_send_session_accepted_cb,
+ .session_disconnect_callback = mq_send_session_disconnected_cb,
+ .session_connected_callback = mq_send_session_connected_cb,
+ .session_reset_callback = mq_send_session_reset_cb,
+ .session_migrate_callback = mq_send_session_migrate_cb,
+ .session_cleanup_callback = mq_send_session_cleanup_cb,
+ .add_segment_callback = mq_send_add_segment_sapi_cb,
+ .del_segment_callback = mq_send_del_segment_sapi_cb,
+};
+
+static void
+session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
+ app_sapi_attach_msg_t * mp)
+{
+ int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
+ vnet_app_attach_args_t _a, *a = &_a;
+ app_sapi_attach_reply_msg_t *rmp;
+ fifo_segment_t *evt_q_segment;
+ u8 fd_flags = 0, ctrl_thread;
+ app_ns_api_handle_t *handle;
+ app_sapi_msg_t msg = { 0 };
+ app_worker_t *app_wrk;
+ application_t *app;
+
+ /* Make sure name is null terminated */
+ mp->name[63] = 0;
+
+ clib_memset (a, 0, sizeof (*a));
+ a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
+ a->name = format (0, "%s", (char *) mp->name);
+ a->options = mp->options;
+ a->session_cb_vft = &session_mq_sapi_cb_vft;
+ a->use_sock_api = 1;
+ a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
+
+ if ((rv = vnet_application_attach (a)))
+ {
+ clib_warning ("attach returned: %d", rv);
+ goto done;
+ }
+
+ /* Send event queues segment */
+ if ((evt_q_segment = session_main_get_evt_q_segment ()))
+ {
+ fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
+ fds[n_fds] = evt_q_segment->ssvm.fd;
+ n_fds += 1;
+ }
+ /* Send fifo segment fd if needed */
+ if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
+ {
+ fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
+ fds[n_fds] = a->segment->fd;
+ n_fds += 1;
+ }
+ if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
+ {
+ fd_flags |= SESSION_FD_F_MQ_EVENTFD;
+ fds[n_fds] = svm_msg_q_get_producer_eventfd (a->app_evt_q);
+ n_fds += 1;
+ }
+
+done:
+
+ msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
+ rmp = &msg.attach_reply;
+ rmp->retval = rv;
+ if (!rv)
+ {
+ ctrl_thread = vlib_num_workers ()? 1 : 0;
+ rmp->app_index = a->app_index;
+ rmp->app_mq =
+ fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
+ rmp->vpp_ctrl_mq =
+ fifo_segment_msg_q_offset (evt_q_segment, ctrl_thread);
+ rmp->vpp_ctrl_mq_thread = ctrl_thread;
+ rmp->n_fds = n_fds;
+ rmp->fd_flags = fd_flags;
+ /* No segment name and size since we only support memfds
+ * in this configuration */
+ rmp->segment_handle = a->segment_handle;
+ rmp->api_client_handle = a->api_client_index;
+
+ /* Update app index for socket */
+ handle = (app_ns_api_handle_t *) & cs->private_data;
+ app = application_get (a->app_index);
+ app_wrk = application_get_worker (app, 0);
+ handle->aah_app_wrk_index = app_wrk->wrk_index;
+ }
+
+ clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
+ vec_free (a->name);
+}
+
+static void
+sapi_socket_close_w_handle (u32 api_handle)
+{
+ app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
+ u16 sock_index = api_handle & 0xffff;
+ app_ns_api_handle_t *handle;
+ clib_socket_t *cs;
+ clib_file_t *cf;
+
+ cs = appns_sapi_get_socket (app_ns, sock_index);
+ if (!cs)
+ return;
+
+ handle = (app_ns_api_handle_t *) & cs->private_data;
+ cf = clib_file_get (&file_main, handle->aah_file_index);
+ clib_file_del (&file_main, cf);
+
+ clib_socket_close (cs);
+ appns_sapi_free_socket (app_ns, cs);
+}
+
+static void
+sapi_add_del_worker_handler (app_namespace_t * app_ns,
+ clib_socket_t * cs,
+ app_sapi_worker_add_del_msg_t * mp)
+{
+ int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
+ app_sapi_worker_add_del_reply_msg_t *rmp;
+ app_ns_api_handle_t *handle;
+ app_sapi_msg_t msg = { 0 };
+ app_worker_t *app_wrk;
+ u32 sapi_handle = -1;
+ application_t *app;
+ u8 fd_flags = 0;
+
+ app = application_get_if_valid (mp->app_index);
+ if (!app)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto done;
+ }
+
+ sapi_handle = appns_sapi_socket_handle (app_ns, cs);
+
+ vnet_app_worker_add_del_args_t args = {
+ .app_index = app->app_index,
+ .wrk_map_index = mp->wrk_index,
+ .api_client_index = sapi_handle,
+ .is_add = mp->is_add
+ };
+ rv = vnet_app_worker_add_del (&args);
+ if (rv)
+ {
+ clib_warning ("app worker add/del returned: %d", rv);
+ goto done;
+ }
+
+ if (!mp->is_add)
+ {
+ sapi_socket_close_w_handle (sapi_handle);
+ goto done;
+ }
+
+ /* Send fifo segment fd if needed */
+ if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
+ {
+ fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
+ fds[n_fds] = args.segment->fd;
+ n_fds += 1;
+ }
+ if (application_segment_manager_properties (app)->use_mq_eventfd)
+ {
+ fd_flags |= SESSION_FD_F_MQ_EVENTFD;
+ fds[n_fds] = svm_msg_q_get_producer_eventfd (args.evt_q);
+ n_fds += 1;
+ }
+
+done:
+
+ msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
+ rmp = &msg.worker_add_del_reply;
+ rmp->retval = rv;
+ rmp->is_add = mp->is_add;
+ rmp->api_client_handle = sapi_handle;
+ rmp->wrk_index = args.wrk_map_index;
+ rmp->segment_handle = args.segment_handle;
+ if (!rv && mp->is_add)
+ {
+ /* No segment name and size. This supports only memfds */
+ rmp->app_event_queue_address =
+ fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
+ rmp->n_fds = n_fds;
+ rmp->fd_flags = fd_flags;
+
+ /* Update app index for socket */
+ handle = (app_ns_api_handle_t *) & cs->private_data;
+ app_wrk = application_get_worker (app, args.wrk_map_index);
+ handle->aah_app_wrk_index = app_wrk->wrk_index;
+ }
+
+ clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
+}
+
+static void
+sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
+{
+ app_ns_api_handle_t *handle;
+ app_worker_t *app_wrk;
+ u32 api_client_handle;
+
+ api_client_handle = appns_sapi_socket_handle (app_ns, cs);
+ sapi_socket_close_w_handle (api_client_handle);
+
+ /* Cleanup everything because app worker closed socket or crashed */
+ handle = (app_ns_api_handle_t *) & cs->private_data;
+ app_wrk = app_worker_get (handle->aah_app_wrk_index);
+
+ vnet_app_worker_add_del_args_t args = {
+ .app_index = app_wrk->app_index,
+ .wrk_map_index = app_wrk->wrk_map_index,
+ .api_client_index = api_client_handle,
+ .is_add = 0
+ };
+ /* Send rpc to main thread for worker barrier */
+ vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
+ sizeof (args));
+}
+
+static clib_error_t *
+sapi_sock_read_ready (clib_file_t * cf)
+{
+ app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
+ vlib_main_t *vm = vlib_get_main ();
+ app_sapi_msg_t msg = { 0 };
+ app_namespace_t *app_ns;
+ clib_error_t *err = 0;
+ clib_socket_t *cs;
+
+ app_ns = app_namespace_get (handle->aah_app_ns_index);
+ cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
+ if (!cs)
+ goto error;
+
+ err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
+ if (err)
+ {
+ clib_error_free (err);
+ sapi_socket_detach (app_ns, cs);
+ goto error;
+ }
+
+ handle = (app_ns_api_handle_t *) & cs->private_data;
+
+ vlib_worker_thread_barrier_sync (vm);
+
+ switch (msg.type)
+ {
+ case APP_SAPI_MSG_TYPE_ATTACH:
+ session_api_attach_handler (app_ns, cs, &msg.attach);
+ break;
+ case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
+ sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
+ break;
+ default:
+ clib_warning ("app wrk %u unknown message type: %u",
+ handle->aah_app_wrk_index, msg.type);
+ break;
+ }
+
+ vlib_worker_thread_barrier_release (vm);
+
+error:
+ return 0;
+}
+
+static clib_error_t *
+sapi_sock_write_ready (clib_file_t * cf)
+{
+ app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
+ clib_warning ("called for app ns %u", handle->aah_app_ns_index);
+ return 0;
+}
+
+static clib_error_t *
+sapi_sock_error (clib_file_t * cf)
+{
+ app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
+ app_namespace_t *app_ns;
+ clib_socket_t *cs;
+
+ app_ns = app_namespace_get (handle->aah_app_ns_index);
+ cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
+ if (!cs)
+ return 0;
+
+ sapi_socket_detach (app_ns, cs);
+ return 0;
+}
+
+static clib_error_t *
+sapi_sock_accept_ready (clib_file_t * scf)
+{
+ app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
+ app_namespace_t *app_ns;
+ clib_file_t cf = { 0 };
+ clib_error_t *err = 0;
+ clib_socket_t *ccs, *scs;
+
+ /* Listener files point to namespace */
+ app_ns = app_namespace_get (handle.aah_app_ns_index);
+
+ /*
+ * Initialize client socket
+ */
+ ccs = appns_sapi_alloc_socket (app_ns);
+
+ /* Grab server socket after client is initialized */
+ scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
+ if (!scs)
+ goto error;
+
+ err = clib_socket_accept (scs, ccs);
+ if (err)
+ {
+ clib_error_report (err);
+ goto error;
+ }
+
+ cf.read_function = sapi_sock_read_ready;
+ cf.write_function = sapi_sock_write_ready;
+ cf.error_function = sapi_sock_error;
+ cf.file_descriptor = ccs->fd;
+ /* File points to app namespace and socket */
+ handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
+ cf.private_data = handle.as_u64;
+ cf.description = format (0, "app sock conn fd: %d", ccs->fd);
+
+ /* Poll until we get an attach message. Socket points to file and
+ * application that owns the socket */
+ handle.aah_app_wrk_index = APP_INVALID_INDEX;
+ handle.aah_file_index = clib_file_add (&file_main, &cf);
+ ccs->private_data = handle.as_u64;
+
+ return err;
+
+error:
+ appns_sapi_free_socket (app_ns, ccs);
+ return err;
+}
+
+int
+appns_sapi_add_ns_socket (app_namespace_t * app_ns)
+{
+ char *subdir = "/app_ns_sockets/";
+ app_ns_api_handle_t *handle;
+ clib_file_t cf = { 0 };
+ struct stat file_stat;
+ clib_error_t *err;
+ clib_socket_t *cs;
+ u8 *dir = 0;
+ int rv = 0;
+
+ vec_add (dir, vlib_unix_get_runtime_dir (),
+ strlen (vlib_unix_get_runtime_dir ()));
+ vec_add (dir, (u8 *) subdir, strlen (subdir));
+
+ err = vlib_unix_recursive_mkdir ((char *) dir);
+ if (err)
+ {
+ clib_error_report (err);
+ rv = -1;
+ goto error;
+ }
+
+ app_ns->sock_name = format (0, "%v%v%c", dir, app_ns->ns_id, 0);
+
+ /*
+ * Create and initialize socket to listen on
+ */
+ cs = appns_sapi_alloc_socket (app_ns);
+ cs->config = (char *) app_ns->sock_name;
+ cs->flags = CLIB_SOCKET_F_IS_SERVER |
+ CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
+ CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
+
+ if ((err = clib_socket_init (cs)))
+ {
+ clib_error_report (err);
+ rv = -1;
+ goto error;
+ }
+
+ if (stat ((char *) app_ns->sock_name, &file_stat) == -1)
+ {
+ rv = -1;
+ goto error;
+ }
+
+ /*
+ * Start polling it
+ */
+ cf.read_function = sapi_sock_accept_ready;
+ cf.file_descriptor = cs->fd;
+ /* File points to namespace */
+ handle = (app_ns_api_handle_t *) & cf.private_data;
+ handle->aah_app_ns_index = app_namespace_index (app_ns);
+ handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
+ cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
+
+ /* Socket points to clib file index */
+ handle = (app_ns_api_handle_t *) & cs->private_data;
+ handle->aah_file_index = clib_file_add (&file_main, &cf);
+ handle->aah_app_wrk_index = APP_INVALID_INDEX;
+
+error:
+ vec_free (dir);
+ return rv;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff