2 * Copyright (c) 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.
15 #include <vnet/session/application.h>
16 #include <vnet/session/session.h>
19 format_stream_session_fifos (u8 * s, va_list * args)
21 stream_session_t *ss = va_arg (*args, stream_session_t *);
22 int verbose = va_arg (*args, int);
23 session_fifo_event_t _e, *e = &_e;
26 s = format (s, " Rx fifo: %U", format_svm_fifo, ss->server_rx_fifo, 1);
27 if (verbose > 2 && ss->server_rx_fifo->has_event)
29 found = session_node_lookup_fifo_event (ss->server_rx_fifo, e);
30 s = format (s, " session node event: %s\n",
31 found ? "found" : "not found");
33 s = format (s, " Tx fifo: %U", format_svm_fifo, ss->server_tx_fifo, 1);
34 if (verbose > 2 && ss->server_tx_fifo->has_event)
36 found = session_node_lookup_fifo_event (ss->server_tx_fifo, e);
37 s = format (s, " session node event: %s\n",
38 found ? "found" : "not found");
44 * Format stream session as per the following format
47 * "Connection", "Rx fifo", "Tx fifo", "Session Index"
52 format_stream_session (u8 * s, va_list * args)
54 stream_session_t *ss = va_arg (*args, stream_session_t *);
55 int verbose = va_arg (*args, int);
56 transport_proto_vft_t *tp_vft;
58 tp_vft = session_get_transport_vft (ss->session_type);
60 if (verbose == 1 && ss->session_state >= SESSION_STATE_ACCEPTING)
61 str = format (0, "%-10u%-10u%-10lld",
62 svm_fifo_max_dequeue (ss->server_rx_fifo),
63 svm_fifo_max_enqueue (ss->server_tx_fifo),
64 stream_session_get_index (ss));
66 if (ss->session_state == SESSION_STATE_READY
67 || ss->session_state == SESSION_STATE_ACCEPTING
68 || ss->session_state == SESSION_STATE_CLOSED)
70 s = format (s, "%U", tp_vft->format_connection, ss->connection_index,
71 ss->thread_index, verbose);
73 s = format (s, "%v", str);
75 s = format (s, "%U", format_stream_session_fifos, ss, verbose);
77 else if (ss->session_state == SESSION_STATE_LISTENING)
79 s = format (s, "%-40U%v", tp_vft->format_listener, ss->connection_index,
82 else if (ss->session_state == SESSION_STATE_CONNECTING)
84 s = format (s, "%-40U%v", tp_vft->format_half_open,
85 ss->connection_index, str);
89 clib_warning ("Session in state: %d!", ss->session_state);
97 unformat_stream_session_id (unformat_input_t * input, va_list * args)
99 u8 *proto = va_arg (*args, u8 *);
100 ip46_address_t *lcl = va_arg (*args, ip46_address_t *);
101 ip46_address_t *rmt = va_arg (*args, ip46_address_t *);
102 u16 *lcl_port = va_arg (*args, u16 *);
103 u16 *rmt_port = va_arg (*args, u16 *);
104 u8 *is_ip4 = va_arg (*args, u8 *);
107 memset (lcl, 0, sizeof (*lcl));
108 memset (rmt, 0, sizeof (*rmt));
110 if (unformat (input, "tcp"))
112 *proto = TRANSPORT_PROTO_TCP;
114 if (unformat (input, "udp"))
116 *proto = TRANSPORT_PROTO_UDP;
118 if (unformat (input, "%U:%d->%U:%d", unformat_ip4_address, &lcl->ip4,
119 lcl_port, unformat_ip4_address, &rmt->ip4, rmt_port))
124 else if (unformat (input, "%U:%d->%U:%d", unformat_ip6_address, &lcl->ip6,
125 lcl_port, unformat_ip6_address, &rmt->ip6, rmt_port))
135 unformat_stream_session (unformat_input_t * input, va_list * args)
137 stream_session_t **result = va_arg (*args, stream_session_t **);
140 ip46_address_t lcl, rmt;
141 u32 lcl_port = 0, rmt_port = 0;
142 u8 is_ip4 = 0, s_type = ~0;
144 if (!unformat (input, "%U", unformat_stream_session_id, &proto, &lcl, &rmt,
145 &lcl_port, &rmt_port, &is_ip4))
148 s_type = session_type_from_proto_and_ip (proto, is_ip4);
150 s = stream_session_lookup4 (&lcl.ip4, &rmt.ip4,
151 clib_host_to_net_u16 (lcl_port),
152 clib_host_to_net_u16 (rmt_port), s_type);
154 s = stream_session_lookup6 (&lcl.ip6, &rmt.ip6,
155 clib_host_to_net_u16 (lcl_port),
156 clib_host_to_net_u16 (rmt_port), s_type);
166 unformat_transport_connection (unformat_input_t * input, va_list * args)
168 transport_connection_t **result = va_arg (*args, transport_connection_t **);
169 u32 suggested_proto = va_arg (*args, u32);
170 transport_connection_t *tc;
172 ip46_address_t lcl, rmt;
173 u32 lcl_port = 0, rmt_port = 0;
174 u8 is_ip4 = 0, s_type = ~0;
176 if (!unformat (input, "%U", unformat_stream_session_id, &proto, &lcl, &rmt,
177 &lcl_port, &rmt_port, &is_ip4))
180 proto = (proto == (u8) ~ 0) ? suggested_proto : proto;
181 if (proto == (u8) ~ 0)
183 s_type = session_type_from_proto_and_ip (proto, is_ip4);
185 tc = stream_session_lookup_transport4 (&lcl.ip4, &rmt.ip4,
186 clib_host_to_net_u16 (lcl_port),
187 clib_host_to_net_u16 (rmt_port),
190 tc = stream_session_lookup_transport6 (&lcl.ip6, &rmt.ip6,
191 clib_host_to_net_u16 (lcl_port),
192 clib_host_to_net_u16 (rmt_port),
203 static clib_error_t *
204 show_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
205 vlib_cli_command_t * cmd)
207 session_manager_main_t *smm = &session_manager_main;
209 stream_session_t *pool;
211 u8 *str = 0, one_session = 0;
213 if (!smm->is_enabled)
215 return clib_error_return (0, "session layer is not enabled");
218 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
220 if (unformat (input, "verbose %d", &verbose))
222 else if (unformat (input, "verbose"))
224 else if (unformat (input, "%U", unformat_stream_session, &s))
229 return clib_error_return (0, "unknown input `%U'",
230 format_unformat_error, input);
235 vlib_cli_output (vm, "%U", format_stream_session, s, 3);
239 for (i = 0; i < vec_len (smm->sessions); i++)
242 pool = smm->sessions[i];
246 if (pool_elts (pool))
249 vlib_cli_output (vm, "Thread %d: %d active sessions",
250 i, pool_elts (pool));
253 if (once_per_pool && verbose == 1)
255 str = format (str, "%-50s%-15s%-10s%-10s%-10s",
256 "Connection", "State", "Rx-f", "Tx-f",
258 vlib_cli_output (vm, "%v", str);
259 vec_reset_length (str);
264 pool_foreach (s, pool,
266 vec_reset_length (str);
267 str = format (str, "%U", format_stream_session, s, verbose);
268 vlib_cli_output (vm, "%v", str);
274 vlib_cli_output (vm, "Thread %d: no active sessions", i);
275 vec_reset_length (str);
283 VLIB_CLI_COMMAND (vlib_cli_show_session_command) =
285 .path = "show session",
286 .short_help = "show session [verbose [nnn]]",
287 .function = show_session_command_fn,
292 clear_session (stream_session_t * s)
294 application_t *server = application_get (s->app_index);
295 server->cb_fns.session_disconnect_callback (s);
299 static clib_error_t *
300 clear_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
301 vlib_cli_command_t * cmd)
303 session_manager_main_t *smm = &session_manager_main;
304 u32 thread_index = 0, clear_all = 0;
305 u32 session_index = ~0;
306 stream_session_t **pool, *session;
308 if (!smm->is_enabled)
310 return clib_error_return (0, "session layer is not enabled");
313 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
315 if (unformat (input, "thread %d", &thread_index))
317 else if (unformat (input, "session %d", &session_index))
319 else if (unformat (input, "all"))
322 return clib_error_return (0, "unknown input `%U'",
323 format_unformat_error, input);
326 if (!clear_all && session_index == ~0)
327 return clib_error_return (0, "session <nn> required, but not set.");
329 if (session_index != ~0)
331 session = stream_session_get_if_valid (session_index, thread_index);
333 return clib_error_return (0, "no session %d on thread %d",
334 session_index, thread_index);
335 clear_session (session);
341 vec_foreach (pool, smm->sessions)
343 pool_foreach(session, *pool, ({
344 clear_session (session);
354 VLIB_CLI_COMMAND (clear_session_command, static) =
356 .path = "clear session",
357 .short_help = "clear session thread <thread> session <index>",
358 .function = clear_session_command_fn,
362 static clib_error_t *
363 show_session_fifo_trace_command_fn (vlib_main_t * vm,
364 unformat_input_t * input,
365 vlib_cli_command_t * cmd)
367 stream_session_t *s = 0;
368 u8 is_rx = 0, *str = 0;
370 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
372 if (unformat (input, "%U", unformat_stream_session, &s))
374 else if (unformat (input, "rx"))
376 else if (unformat (input, "tx"))
379 return clib_error_return (0, "unknown input `%U'",
380 format_unformat_error, input);
385 vlib_cli_output (vm, "fifo tracing not enabled");
391 vlib_cli_output (vm, "could not find session");
396 svm_fifo_dump_trace (str, s->server_rx_fifo) :
397 svm_fifo_dump_trace (str, s->server_tx_fifo);
399 vlib_cli_output (vm, "%v", str);
404 VLIB_CLI_COMMAND (show_session_fifo_trace_command, static) =
406 .path = "show session fifo trace",
407 .short_help = "show session fifo trace <session>",
408 .function = show_session_fifo_trace_command_fn,
412 static clib_error_t *
413 session_replay_fifo_command_fn (vlib_main_t * vm, unformat_input_t * input,
414 vlib_cli_command_t * cmd)
416 stream_session_t *s = 0;
417 u8 is_rx = 0, *str = 0;
419 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
421 if (unformat (input, "%U", unformat_stream_session, &s))
423 else if (unformat (input, "rx"))
426 return clib_error_return (0, "unknown input `%U'",
427 format_unformat_error, input);
432 vlib_cli_output (vm, "fifo tracing not enabled");
438 vlib_cli_output (vm, "could not find session");
443 svm_fifo_replay (str, s->server_rx_fifo, 0, 1) :
444 svm_fifo_replay (str, s->server_tx_fifo, 0, 1);
446 vlib_cli_output (vm, "%v", str);
451 VLIB_CLI_COMMAND (session_replay_fifo_trace_command, static) =
453 .path = "session replay fifo",
454 .short_help = "session replay fifo <session>",
455 .function = session_replay_fifo_command_fn,
459 static clib_error_t *
460 session_enable_disable_fn (vlib_main_t * vm, unformat_input_t * input,
461 vlib_cli_command_t * cmd)
465 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
467 if (unformat (input, "enable"))
469 else if (unformat (input, "disable"))
472 return clib_error_return (0, "unknown input `%U'",
473 format_unformat_error, input);
476 return vnet_session_enable_disable (vm, is_en);
480 VLIB_CLI_COMMAND (session_enable_disable_command, static) =
483 .short_help = "session [enable|disable]",
484 .function = session_enable_disable_fn,
489 * fd.io coding-style-patch-verification: ON
492 * eval: (c-set-style "gnu")