session: use msg queue for events
[vpp.git] / src / vnet / session-apps / echo_client.c
index b8a4fb3..3d1af67 100644 (file)
@@ -43,26 +43,63 @@ signal_evt_to_cli (int code)
 }
 
 static void
-send_data_chunk (echo_client_main_t * ecm, session_t * s)
+send_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
 {
   u8 *test_data = ecm->connect_test_data;
-  int test_buf_offset;
+  int test_buf_len, test_buf_offset, rv;
   u32 bytes_this_chunk;
-  session_fifo_event_t evt;
-  svm_fifo_t *txf;
-  int rv;
-
-  ASSERT (vec_len (test_data) > 0);
-
-  test_buf_offset = s->bytes_sent % vec_len (test_data);
-  bytes_this_chunk = vec_len (test_data) - test_buf_offset;
 
-  bytes_this_chunk = bytes_this_chunk < s->bytes_to_send
-    ? bytes_this_chunk : s->bytes_to_send;
+  test_buf_len = vec_len (test_data);
+  ASSERT (test_buf_len > 0);
+  test_buf_offset = s->bytes_sent % test_buf_len;
+  bytes_this_chunk = clib_min (test_buf_len - test_buf_offset,
+                              s->bytes_to_send);
 
-  txf = s->server_tx_fifo;
-  rv = svm_fifo_enqueue_nowait (txf, bytes_this_chunk,
-                               test_data + test_buf_offset);
+  if (!ecm->is_dgram)
+    {
+      if (ecm->no_copy)
+       {
+         svm_fifo_t *f = s->data.tx_fifo;
+         rv = clib_min (svm_fifo_max_enqueue (f), bytes_this_chunk);
+         svm_fifo_enqueue_nocopy (f, rv);
+         session_send_io_evt_to_thread_custom (f, s->thread_index,
+                                               FIFO_EVENT_APP_TX);
+       }
+      else
+       rv = app_send_stream (&s->data, test_data + test_buf_offset,
+                             bytes_this_chunk, 0);
+    }
+  else
+    {
+      if (ecm->no_copy)
+       {
+         session_dgram_hdr_t hdr;
+         svm_fifo_t *f = s->data.tx_fifo;
+         app_session_transport_t *at = &s->data.transport;
+         u32 max_enqueue = svm_fifo_max_enqueue (f);
+
+         if (max_enqueue <= sizeof (session_dgram_hdr_t))
+           return;
+
+         max_enqueue -= sizeof (session_dgram_hdr_t);
+         rv = clib_min (max_enqueue, bytes_this_chunk);
+
+         hdr.data_length = rv;
+         hdr.data_offset = 0;
+         clib_memcpy (&hdr.rmt_ip, &at->rmt_ip, sizeof (ip46_address_t));
+         hdr.is_ip4 = at->is_ip4;
+         hdr.rmt_port = at->rmt_port;
+         clib_memcpy (&hdr.lcl_ip, &at->lcl_ip, sizeof (ip46_address_t));
+         hdr.lcl_port = at->lcl_port;
+         svm_fifo_enqueue_nowait (f, sizeof (hdr), (u8 *) & hdr);
+         svm_fifo_enqueue_nocopy (f, rv);
+         session_send_io_evt_to_thread_custom (f, s->thread_index,
+                                               FIFO_EVENT_APP_TX);
+       }
+      else
+       rv = app_send_dgram (&s->data, test_data + test_buf_offset,
+                            bytes_this_chunk, 0);
+    }
 
   /* If we managed to enqueue data... */
   if (rv > 0)
@@ -89,35 +126,24 @@ send_data_chunk (echo_client_main_t * ecm, session_t * s)
          ed->data[1] = s->bytes_sent;
          ed->data[2] = s->bytes_to_send;
        }
-
-      /* Poke the session layer */
-      if (svm_fifo_set_event (txf))
-       {
-         /* Fabricate TX event, send to vpp */
-         evt.fifo = txf;
-         evt.event_type = FIFO_EVENT_APP_TX;
-
-         if (svm_queue_add
-             (ecm->vpp_event_queue[txf->master_thread_index], (u8 *) & evt,
-              0 /* do wait for mutex */ ))
-           clib_warning ("could not enqueue event");
-       }
     }
 }
 
 static void
-receive_data_chunk (echo_client_main_t * ecm, session_t * s)
+receive_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
 {
-  svm_fifo_t *rx_fifo = s->server_rx_fifo;
-  u32 my_thread_index = vlib_get_thread_index ();
+  svm_fifo_t *rx_fifo = s->data.rx_fifo;
+  u32 thread_index = vlib_get_thread_index ();
   int n_read, i;
 
   if (ecm->test_bytes)
     {
-      n_read = svm_fifo_dequeue_nowait (rx_fifo,
-                                       vec_len (ecm->rx_buf
-                                                [my_thread_index]),
-                                       ecm->rx_buf[my_thread_index]);
+      if (!ecm->is_dgram)
+       n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
+                                 vec_len (ecm->rx_buf[thread_index]));
+      else
+       n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
+                                vec_len (ecm->rx_buf[thread_index]));
     }
   else
     {
@@ -148,17 +174,18 @@ receive_data_chunk (echo_client_main_t * ecm, session_t * s)
        {
          for (i = 0; i < n_read; i++)
            {
-             if (ecm->rx_buf[my_thread_index][i]
+             if (ecm->rx_buf[thread_index][i]
                  != ((s->bytes_received + i) & 0xff))
                {
                  clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
                                n_read, s->bytes_received + i,
-                               ecm->rx_buf[my_thread_index][i],
+                               ecm->rx_buf[thread_index][i],
                                ((s->bytes_received + i) & 0xff));
                  ecm->test_failed = 1;
                }
            }
        }
+      ASSERT (n_read <= s->bytes_to_receive);
       s->bytes_to_receive -= n_read;
       s->bytes_received += n_read;
     }
@@ -170,7 +197,7 @@ echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
 {
   echo_client_main_t *ecm = &echo_client_main;
   int my_thread_index = vlib_get_thread_index ();
-  session_t *sp;
+  eclient_session_t *sp;
   int i;
   int delete_session;
   u32 *connection_indices;
@@ -230,20 +257,15 @@ echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
        }
       if (sp->bytes_to_receive > 0)
        {
-         receive_data_chunk (ecm, sp);
          delete_session = 0;
        }
       if (PREDICT_FALSE (delete_session == 1))
        {
-         u32 index, thread_index;
          stream_session_t *s;
 
          __sync_fetch_and_add (&ecm->tx_total, sp->bytes_sent);
          __sync_fetch_and_add (&ecm->rx_total, sp->bytes_received);
-
-         session_parse_handle (sp->vpp_session_handle,
-                               &index, &thread_index);
-         s = session_get_if_valid (index, thread_index);
+         s = session_get_from_handle_if_valid (sp->vpp_session_handle);
 
          if (s)
            {
@@ -257,7 +279,10 @@ echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
              __sync_fetch_and_add (&ecm->ready_connections, -1);
            }
          else
-           clib_warning ("session AWOL?");
+           {
+             clib_warning ("session AWOL?");
+             vec_delete (connections_this_batch, 1, i);
+           }
 
          /* Kick the debug CLI process */
          if (ecm->ready_connections == 0)
@@ -309,8 +334,8 @@ echo_clients_init (vlib_main_t * vm)
 
   num_threads = 1 /* main thread */  + vtm->n_threads;
 
-  /* Init test data. Bigecmuffer */
-  vec_validate (ecm->connect_test_data, 1024 * 1024 - 1);
+  /* Init test data. Big buffer */
+  vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
   for (i = 0; i < vec_len (ecm->connect_test_data); i++)
     ecm->connect_test_data[i] = i & 0xff;
 
@@ -332,9 +357,9 @@ echo_clients_session_connected_callback (u32 app_index, u32 api_context,
                                         stream_session_t * s, u8 is_fail)
 {
   echo_client_main_t *ecm = &echo_client_main;
-  session_t *session;
+  eclient_session_t *session;
   u32 session_index;
-  u8 thread_index = vlib_get_thread_index ();
+  u8 thread_index = s->thread_index;
 
   if (is_fail)
     {
@@ -343,7 +368,8 @@ echo_clients_session_connected_callback (u32 app_index, u32 api_context,
       return 0;
     }
 
-  ASSERT (s->thread_index == thread_index);
+  ASSERT (thread_index == vlib_get_thread_index ()
+         || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
 
   if (!ecm->vpp_event_queue[thread_index])
     ecm->vpp_event_queue[thread_index] =
@@ -360,12 +386,22 @@ echo_clients_session_connected_callback (u32 app_index, u32 api_context,
   session_index = session - ecm->sessions;
   session->bytes_to_send = ecm->bytes_to_send;
   session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
-  session->server_rx_fifo = s->server_rx_fifo;
-  session->server_rx_fifo->client_session_index = session_index;
-  session->server_tx_fifo = s->server_tx_fifo;
-  session->server_tx_fifo->client_session_index = session_index;
+  session->data.rx_fifo = s->server_rx_fifo;
+  session->data.rx_fifo->client_session_index = session_index;
+  session->data.tx_fifo = s->server_tx_fifo;
+  session->data.tx_fifo->client_session_index = session_index;
+  session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
   session->vpp_session_handle = session_handle (s);
 
+  if (ecm->is_dgram)
+    {
+      transport_connection_t *tc;
+      tc = session_get_transport (s);
+      clib_memcpy (&session->data.transport, tc,
+                  sizeof (session->data.transport));
+      session->data.is_dgram = 1;
+    }
+
   vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
   __sync_fetch_and_add (&ecm->ready_connections, 1);
   if (ecm->ready_connections == ecm->expected_connections)
@@ -407,7 +443,26 @@ echo_clients_session_disconnect_callback (stream_session_t * s)
 static int
 echo_clients_rx_callback (stream_session_t * s)
 {
-  clib_warning ("BUG");
+  echo_client_main_t *ecm = &echo_client_main;
+  eclient_session_t *sp;
+
+  sp = pool_elt_at_index (ecm->sessions,
+                         s->server_rx_fifo->client_session_index);
+  receive_data_chunk (ecm, sp);
+
+  if (svm_fifo_max_dequeue (s->server_rx_fifo))
+    {
+      if (svm_fifo_set_event (s->server_rx_fifo))
+       session_send_io_evt_to_thread (s->server_rx_fifo,
+                                      FIFO_EVENT_BUILTIN_RX);
+    }
+  return 0;
+}
+
+int
+echo_client_add_segment_callback (u32 client_index, const ssvm_private_t * sp)
+{
+  /* New heaps may be added */
   return 0;
 }
 
@@ -417,14 +472,15 @@ static session_cb_vft_t echo_clients = {
   .session_connected_callback = echo_clients_session_connected_callback,
   .session_accept_callback = echo_clients_session_create_callback,
   .session_disconnect_callback = echo_clients_session_disconnect_callback,
-  .builtin_server_rx_callback = echo_clients_rx_callback
+  .builtin_app_rx_callback = echo_clients_rx_callback,
+  .add_segment_callback = echo_client_add_segment_callback
 };
 /* *INDENT-ON* */
 
 static clib_error_t *
 echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
 {
-  u32 prealloc_fifos, segment_size = 2 << 20;
+  u32 prealloc_fifos, segment_size = 256 << 20;
   echo_client_main_t *ecm = &echo_client_main;
   vnet_app_attach_args_t _a, *a = &_a;
   u64 options[16];
@@ -443,12 +499,13 @@ echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
 
   options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
   options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
+  options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
   options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
   options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
   options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
   options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
-
   options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
+  options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
   if (appns_id)
     {
       options[APP_OPTIONS_FLAGS] |= appns_flags;
@@ -509,14 +566,13 @@ echo_clients_connect (vlib_main_t * vm, u32 n_clients)
   vnet_connect_args_t _a, *a = &_a;
   clib_error_t *error = 0;
   int i;
+
+  memset (a, 0, sizeof (*a));
   for (i = 0; i < n_clients; i++)
     {
-      memset (a, 0, sizeof (*a));
-
       a->uri = (char *) ecm->connect_uri;
       a->api_context = i;
       a->app_index = ecm->app_index;
-      a->mp = 0;
 
       if ((error = vnet_connect_uri (a)))
        return error;
@@ -534,7 +590,7 @@ echo_clients_connect (vlib_main_t * vm, u32 n_clients)
 }
 
 #define ec_cli_output(_fmt, _args...)                  \
-  if (!ecm->no_output)                                         \
+  if (!ecm->no_output)                                 \
     vlib_cli_output(vm, _fmt, ##_args)
 
 static clib_error_t *
@@ -543,15 +599,16 @@ echo_clients_command_fn (vlib_main_t * vm,
 {
   echo_client_main_t *ecm = &echo_client_main;
   vlib_thread_main_t *thread_main = vlib_get_thread_main ();
-  uword *event_data = 0, event_type;
-  u8 *default_uri = (u8 *) "tcp://6.0.1.1/1234", *appns_id = 0;
   u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
   f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
+  char *default_uri = "tcp://6.0.1.1/1234";
+  uword *event_data = 0, event_type;
   f64 time_before_connects;
   u32 n_clients = 1;
   int preallocate_sessions = 0;
   char *transfer_type;
   clib_error_t *error = 0;
+  u8 *appns_id = 0;
   int i;
 
   ecm->bytes_to_send = 8192;
@@ -564,6 +621,9 @@ echo_clients_command_fn (vlib_main_t * vm,
   ecm->test_bytes = 0;
   ecm->test_failed = 0;
   ecm->vlib_main = vm;
+  ecm->tls_engine = TLS_ENGINE_OPENSSL;
+  ecm->no_copy = 0;
+
   if (thread_main->n_vlib_mains > 1)
     clib_spinlock_init (&ecm->sessions_lock);
   vec_free (ecm->connect_uri);
@@ -621,8 +681,10 @@ echo_clients_command_fn (vlib_main_t * vm,
        ecm->no_output = 1;
       else if (unformat (input, "test-bytes"))
        ecm->test_bytes = 1;
+      else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
+       ;
       else
-       return clib_error_return (0, "unknown input `%U'",
+       return clib_error_return (0, "failed: unknown input `%U'",
                                  format_unformat_error, input);
     }
 
@@ -644,10 +706,13 @@ echo_clients_command_fn (vlib_main_t * vm,
 
   if (!ecm->connect_uri)
     {
-      clib_warning ("No uri provided. Using default: %v", default_uri);
-      ecm->connect_uri = default_uri;
+      clib_warning ("No uri provided. Using default: %s", default_uri);
+      ecm->connect_uri = format (0, "%s%c", default_uri, 0);
     }
 
+  if (ecm->connect_uri[0] == 'u' && ecm->connect_uri[3] != 'c')
+    ecm->is_dgram = 1;
+
 #if ECHO_CLIENT_PTHREAD
   echo_clients_start_tx_pthread ();
 #endif
@@ -674,13 +739,7 @@ echo_clients_command_fn (vlib_main_t * vm,
                         VLIB_NODE_STATE_POLLING);
 
   if (preallocate_sessions)
-    {
-      session_t *sp __attribute__ ((unused));
-      for (i = 0; i < n_clients; i++)
-       pool_get (ecm->sessions, sp);
-      for (i = 0; i < n_clients; i++)
-       pool_put_index (ecm->sessions, i);
-    }
+    pool_init_fixed (ecm->sessions, 1.1 * n_clients);
 
   /* Fire off connect requests */
   time_before_connects = vlib_time_now (vm);
@@ -785,6 +844,7 @@ cleanup:
     }
   if (error)
     ec_cli_output ("test failed");
+  vec_free (ecm->connect_uri);
   return error;
 }