2 * Copyright (c) 2015-2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/vnet.h>
17 #include <vlibmemory/api.h>
18 #include <vnet/session/application.h>
19 #include <vnet/session/application_interface.h>
24 unix_shared_memory_queue_t **vpp_queue;
25 vlib_main_t *vlib_main;
26 } builtin_server_main_t;
28 builtin_server_main_t builtin_server_main;
32 builtin_session_accept_callback (stream_session_t * s)
34 builtin_server_main_t *bsm = &builtin_server_main;
35 clib_warning ("called...");
37 bsm->vpp_queue[s->thread_index] =
38 session_manager_get_vpp_event_queue (s->thread_index);
39 s->session_state = SESSION_STATE_READY;
44 builtin_session_disconnect_callback (stream_session_t * s)
46 clib_warning ("called...");
48 vnet_disconnect_session (s->session_index, s->thread_index);
52 builtin_session_reset_callback (stream_session_t * s)
54 clib_warning ("called.. ");
56 stream_session_cleanup (s);
61 builtin_session_connected_callback (u32 client_index,
62 stream_session_t * s, u8 is_fail)
64 clib_warning ("called...");
69 builtin_add_segment_callback (u32 client_index,
70 const u8 * seg_name, u32 seg_size)
72 clib_warning ("called...");
77 builtin_redirect_connect_callback (u32 client_index, void *mp)
79 clib_warning ("called...");
84 builtin_server_rx_callback (stream_session_t * s, session_fifo_event_t * e)
86 int n_written, bytes, total_copy_bytes;
89 builtin_server_main_t *bsm = &builtin_server_main;
90 session_fifo_event_t evt;
91 static int serial_number = 0;
93 bytes = e->enqueue_length;
94 if (PREDICT_FALSE (bytes <= 0))
96 clib_warning ("bizarre rx callback: bytes %d", bytes);
100 tx_fifo = s->server_tx_fifo;
102 /* Number of bytes we're going to copy */
103 total_copy_bytes = (bytes < (tx_fifo->nitems - tx_fifo->cursize)) ? bytes :
104 tx_fifo->nitems - tx_fifo->cursize;
106 if (PREDICT_FALSE (total_copy_bytes <= 0))
108 clib_warning ("no space in tx fifo, event had %d bytes", bytes);
112 vec_validate (bsm->rx_buf, total_copy_bytes - 1);
113 _vec_len (bsm->rx_buf) = total_copy_bytes;
115 n_read = svm_fifo_dequeue_nowait (s->server_rx_fifo, 0, total_copy_bytes,
117 ASSERT (n_read == total_copy_bytes);
123 n_written = svm_fifo_enqueue_nowait (tx_fifo, 0, n_read, bsm->rx_buf);
124 ASSERT (n_written == total_copy_bytes);
126 /* Fabricate TX event, send to vpp */
128 evt.event_type = FIFO_EVENT_SERVER_TX;
129 evt.enqueue_length = total_copy_bytes;
130 evt.event_id = serial_number++;
132 unix_shared_memory_queue_add (bsm->vpp_queue[s->thread_index], (u8 *) & evt,
133 0 /* do wait for mutex */ );
138 static session_cb_vft_t builtin_session_cb_vft = {
139 .session_accept_callback = builtin_session_accept_callback,
140 .session_disconnect_callback = builtin_session_disconnect_callback,
141 .session_connected_callback = builtin_session_connected_callback,
142 .add_segment_callback = builtin_add_segment_callback,
143 .redirect_connect_callback = builtin_redirect_connect_callback,
144 .builtin_server_rx_callback = builtin_server_rx_callback,
145 .session_reset_callback = builtin_session_reset_callback
149 server_create (vlib_main_t * vm)
151 vnet_bind_args_t _a, *a = &_a;
152 u64 options[SESSION_OPTIONS_N_OPTIONS];
153 char segment_name[128];
155 vlib_thread_main_t *vtm = vlib_get_thread_main ();
157 num_threads = 1 /* main thread */ + vtm->n_threads;
158 vec_validate (builtin_server_main.vpp_queue, num_threads - 1);
160 memset (a, 0, sizeof (*a));
161 memset (options, 0, sizeof (options));
163 a->uri = "tcp://0.0.0.0/80";
164 a->api_client_index = ~0;
165 a->session_cb_vft = &builtin_session_cb_vft;
166 a->options = options;
167 a->options[SESSION_OPTIONS_SEGMENT_SIZE] = 256 << 10;
168 a->options[SESSION_OPTIONS_RX_FIFO_SIZE] = 64 << 10;
169 a->options[SESSION_OPTIONS_TX_FIFO_SIZE] = 64 << 10;
170 a->segment_name = segment_name;
171 a->segment_name_length = ARRAY_LEN (segment_name);
173 return vnet_bind_uri (a);
176 static clib_error_t *
177 server_create_command_fn (vlib_main_t * vm,
178 unformat_input_t * input, vlib_cli_command_t * cmd)
182 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
184 if (unformat (input, "whatever %d", &whatever))
187 return clib_error_return (0, "unknown input `%U'",
188 format_unformat_error, input);
192 vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
193 rv = server_create (vm);
199 return clib_error_return (0, "server_create returned %d", rv);
205 VLIB_CLI_COMMAND (server_create_command, static) =
207 .path = "test server",
208 .short_help = "test server",
209 .function = server_create_command_fn,
214 * fd.io coding-style-patch-verification: ON
217 * eval: (c-set-style "gnu")