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 s = format (s, " Rx fifo: %U", format_svm_fifo, ss->server_rx_fifo, 1);
23 s = format (s, " Tx fifo: %U", format_svm_fifo, ss->server_tx_fifo, 1);
28 * Format stream session as per the following format
31 * "Connection", "Rx fifo", "Tx fifo", "Session Index"
36 format_stream_session (u8 * s, va_list * args)
38 stream_session_t *ss = va_arg (*args, stream_session_t *);
39 int verbose = va_arg (*args, int);
40 transport_proto_vft_t *tp_vft;
42 tp_vft = session_get_transport_vft (ss->session_type);
45 str = format (0, "%-10u%-10u%-10lld",
46 svm_fifo_max_dequeue (ss->server_rx_fifo),
47 svm_fifo_max_enqueue (ss->server_tx_fifo),
48 stream_session_get_index (ss));
50 if (ss->session_state == SESSION_STATE_READY)
52 s = format (s, "%U", tp_vft->format_connection, ss->connection_index,
53 ss->thread_index, verbose);
55 s = format (s, "%v", str);
57 s = format (s, "%U", format_stream_session_fifos, ss);
59 else if (ss->session_state == SESSION_STATE_LISTENING)
61 s = format (s, "%-40U%v", tp_vft->format_listener, ss->connection_index,
64 else if (ss->session_state == SESSION_STATE_CONNECTING)
66 s = format (s, "%-40U%v", tp_vft->format_half_open,
67 ss->connection_index, str);
69 else if (ss->session_state == SESSION_STATE_CLOSED)
71 s = format (s, "[CL] %-40U", tp_vft->format_connection,
72 ss->connection_index, ss->thread_index, verbose);
74 s = format (s, "%v", str);
76 s = format (s, "%U", format_stream_session_fifos, ss);
80 clib_warning ("Session in state: %d!", ss->session_state);
89 show_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
90 vlib_cli_command_t * cmd)
92 session_manager_main_t *smm = &session_manager_main;
94 stream_session_t *pool;
100 return clib_error_return (0, "session layer is not enabled");
103 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
105 if (unformat (input, "verbose %d", &verbose))
107 else if (unformat (input, "verbose"))
113 for (i = 0; i < vec_len (smm->sessions); i++)
116 pool = smm->sessions[i];
120 if (pool_elts (pool))
123 vlib_cli_output (vm, "Thread %d: %d active sessions",
124 i, pool_elts (pool));
127 if (once_per_pool && verbose == 1)
130 format (str, "%-50s%-15s%-10s%-10s%-10s", "Connection",
131 "State", "Rx-f", "Tx-f", "S-idx");
132 vlib_cli_output (vm, "%v", str);
133 vec_reset_length (str);
138 pool_foreach (s, pool,
140 vec_reset_length (str);
141 str = format (str, "%U", format_stream_session, s, verbose);
142 vlib_cli_output (vm, "%v", str);
148 vlib_cli_output (vm, "Thread %d: no active sessions", i);
156 VLIB_CLI_COMMAND (show_session_command, static) =
158 .path = "show session",
159 .short_help = "show session [verbose]",
160 .function = show_session_command_fn,
164 static clib_error_t *
165 clear_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
166 vlib_cli_command_t * cmd)
168 session_manager_main_t *smm = &session_manager_main;
169 u32 thread_index = 0;
170 u32 session_index = ~0;
171 stream_session_t *pool, *session;
172 application_t *server;
174 if (!smm->is_enabled)
176 return clib_error_return (0, "session layer is not enabled");
179 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
181 if (unformat (input, "thread %d", &thread_index))
183 else if (unformat (input, "session %d", &session_index))
186 return clib_error_return (0, "unknown input `%U'",
187 format_unformat_error, input);
190 if (session_index == ~0)
191 return clib_error_return (0, "session <nn> required, but not set.");
193 if (thread_index > vec_len (smm->sessions))
194 return clib_error_return (0, "thread %d out of range [0-%d]",
195 thread_index, vec_len (smm->sessions));
197 pool = smm->sessions[thread_index];
199 if (pool_is_free_index (pool, session_index))
200 return clib_error_return (0, "session %d not active", session_index);
202 session = pool_elt_at_index (pool, session_index);
203 server = application_get (session->app_index);
205 /* Disconnect both app and transport */
206 server->cb_fns.session_disconnect_callback (session);
212 VLIB_CLI_COMMAND (clear_session_command, static) =
214 .path = "clear session",
215 .short_help = "clear session thread <thread> session <index>",
216 .function = clear_session_command_fn,
220 static clib_error_t *
221 session_enable_disable_fn (vlib_main_t * vm, unformat_input_t * input,
222 vlib_cli_command_t * cmd)
226 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
228 if (unformat (input, "enable"))
230 else if (unformat (input, "disable"))
233 return clib_error_return (0, "unknown input `%U'",
234 format_unformat_error, input);
237 return vnet_session_enable_disable (vm, is_en);
241 VLIB_CLI_COMMAND (session_enable_disable_command, static) =
244 .short_help = "session [enable|disable]",
245 .function = session_enable_disable_fn,
250 * fd.io coding-style-patch-verification: ON
253 * eval: (c-set-style "gnu")