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;
26 vlib_main_t *vlib_main;
27 } builtin_server_main_t;
29 builtin_server_main_t builtin_server_main;
33 builtin_session_accept_callback (stream_session_t * s)
35 builtin_server_main_t *bsm = &builtin_server_main;
36 clib_warning ("called...");
38 bsm->vpp_queue[s->thread_index] =
39 session_manager_get_vpp_event_queue (s->thread_index);
40 s->session_state = SESSION_STATE_READY;
46 builtin_session_disconnect_callback (stream_session_t * s)
48 clib_warning ("called...");
50 vnet_disconnect_session (s->session_index, s->thread_index);
54 builtin_session_reset_callback (stream_session_t * s)
56 clib_warning ("called.. ");
58 stream_session_cleanup (s);
63 builtin_session_connected_callback (u32 client_index,
64 stream_session_t * s, u8 is_fail)
66 clib_warning ("called...");
71 builtin_add_segment_callback (u32 client_index,
72 const u8 * seg_name, u32 seg_size)
74 clib_warning ("called...");
79 builtin_redirect_connect_callback (u32 client_index, void *mp)
81 clib_warning ("called...");
86 test_bytes (builtin_server_main_t * bsm, int actual_transfer)
90 for (i = 0; i < actual_transfer; i++)
92 if (bsm->rx_buf[i] != ((bsm->byte_index + i) & 0xff))
94 clib_warning ("at %d expected %d got %d", bsm->byte_index + i,
95 (bsm->byte_index + i) & 0xff, bsm->rx_buf[i]);
98 bsm->byte_index += actual_transfer;
102 builtin_server_rx_callback (stream_session_t * s)
104 u32 n_written, max_dequeue, max_enqueue, max_transfer;
106 svm_fifo_t *tx_fifo, *rx_fifo;
107 builtin_server_main_t *bsm = &builtin_server_main;
108 session_fifo_event_t evt;
109 static int serial_number = 0;
111 max_dequeue = svm_fifo_max_dequeue (s->server_rx_fifo);
112 max_enqueue = svm_fifo_max_enqueue (s->server_tx_fifo);
114 if (PREDICT_FALSE (max_dequeue == 0))
119 tx_fifo = s->server_tx_fifo;
120 rx_fifo = s->server_rx_fifo;
122 /* Number of bytes we're going to copy */
123 max_transfer = (max_dequeue < max_enqueue) ? max_dequeue : max_enqueue;
125 /* No space in tx fifo */
126 if (PREDICT_FALSE (max_transfer == 0))
128 /* XXX timeout for session that are stuck */
131 /* Program self-tap to retry */
132 if (svm_fifo_set_event (rx_fifo))
135 evt.event_type = FIFO_EVENT_BUILTIN_RX;
137 unix_shared_memory_queue_add (bsm->vpp_queue[s->thread_index],
139 0 /* do wait for mutex */ );
145 svm_fifo_unset_event (rx_fifo);
147 vec_validate (bsm->rx_buf, max_transfer - 1);
148 _vec_len (bsm->rx_buf) = max_transfer;
150 actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, 0, max_transfer,
152 ASSERT (actual_transfer == max_transfer);
154 // test_bytes (bsm, actual_transfer);
161 svm_fifo_enqueue_nowait (tx_fifo, 0, actual_transfer, bsm->rx_buf);
163 if (n_written != max_transfer)
164 clib_warning ("short trout!");
166 if (svm_fifo_set_event (tx_fifo))
168 /* Fabricate TX event, send to vpp */
170 evt.event_type = FIFO_EVENT_SERVER_TX;
171 evt.event_id = serial_number++;
173 unix_shared_memory_queue_add (bsm->vpp_queue[s->thread_index],
174 (u8 *) & evt, 0 /* do wait for mutex */ );
177 if (PREDICT_FALSE (max_enqueue < max_dequeue))
183 static session_cb_vft_t builtin_session_cb_vft = {
184 .session_accept_callback = builtin_session_accept_callback,
185 .session_disconnect_callback = builtin_session_disconnect_callback,
186 .session_connected_callback = builtin_session_connected_callback,
187 .add_segment_callback = builtin_add_segment_callback,
188 .redirect_connect_callback = builtin_redirect_connect_callback,
189 .builtin_server_rx_callback = builtin_server_rx_callback,
190 .session_reset_callback = builtin_session_reset_callback
194 server_create (vlib_main_t * vm)
196 vnet_bind_args_t _a, *a = &_a;
197 u64 options[SESSION_OPTIONS_N_OPTIONS];
198 char segment_name[128];
200 vlib_thread_main_t *vtm = vlib_get_thread_main ();
202 num_threads = 1 /* main thread */ + vtm->n_threads;
203 vec_validate (builtin_server_main.vpp_queue, num_threads - 1);
205 memset (a, 0, sizeof (*a));
206 memset (options, 0, sizeof (options));
208 a->uri = "tcp://0.0.0.0/1234";
209 a->api_client_index = ~0;
210 a->session_cb_vft = &builtin_session_cb_vft;
211 a->options = options;
212 a->options[SESSION_OPTIONS_SEGMENT_SIZE] = 128 << 20;
213 a->options[SESSION_OPTIONS_RX_FIFO_SIZE] = 1 << 16;
214 a->options[SESSION_OPTIONS_TX_FIFO_SIZE] = 1 << 16;
215 a->segment_name = segment_name;
216 a->segment_name_length = ARRAY_LEN (segment_name);
218 return vnet_bind_uri (a);
221 static clib_error_t *
222 server_create_command_fn (vlib_main_t * vm,
223 unformat_input_t * input, vlib_cli_command_t * cmd)
227 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
229 if (unformat (input, "whatever %d", &whatever))
232 return clib_error_return (0, "unknown input `%U'",
233 format_unformat_error, input);
237 vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
238 rv = server_create (vm);
244 return clib_error_return (0, "server_create returned %d", rv);
250 VLIB_CLI_COMMAND (server_create_command, static) =
252 .path = "test server",
253 .short_help = "test server",
254 .function = server_create_command_fn,
259 * fd.io coding-style-patch-verification: ON
262 * eval: (c-set-style "gnu")