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 as per the following format
22 * "Connection", "Rx fifo", "Tx fifo", "Session Index"
27 format_stream_session (u8 * s, va_list * args)
29 stream_session_t *ss = va_arg (*args, stream_session_t *);
30 int verbose = va_arg (*args, int);
31 transport_proto_vft_t *tp_vft;
33 tp_vft = session_get_transport_vft (ss->session_type);
36 str = format (0, "%-10u%-10u%-10lld",
37 svm_fifo_max_dequeue (ss->server_rx_fifo),
38 svm_fifo_max_enqueue (ss->server_tx_fifo),
39 stream_session_get_index (ss));
41 if (ss->session_state == SESSION_STATE_READY)
43 s = format (s, "%U", tp_vft->format_connection, ss->connection_index,
44 ss->thread_index, verbose);
46 s = format (s, "%v", str);
48 else if (ss->session_state == SESSION_STATE_LISTENING)
50 s = format (s, "%-40U%v", tp_vft->format_listener, ss->connection_index,
53 else if (ss->session_state == SESSION_STATE_CONNECTING)
55 s = format (s, "%-40U%v", tp_vft->format_half_open,
56 ss->connection_index, str);
58 else if (ss->session_state == SESSION_STATE_CLOSED)
60 s = format (s, "[CL] %-40U%v", tp_vft->format_connection,
61 ss->connection_index, ss->thread_index, verbose, str);
65 clib_warning ("Session in state: %d!", ss->session_state);
74 show_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
75 vlib_cli_command_t * cmd)
77 session_manager_main_t *smm = &session_manager_main;
79 stream_session_t *pool;
85 return clib_error_return (0, "session layer is not enabled");
88 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
90 if (unformat (input, "verbose %d", &verbose))
92 else if (unformat (input, "verbose"))
98 for (i = 0; i < vec_len (smm->sessions); i++)
101 pool = smm->sessions[i];
105 if (pool_elts (pool))
108 vlib_cli_output (vm, "Thread %d: %d active sessions",
109 i, pool_elts (pool));
112 if (once_per_pool && verbose == 1)
115 format (str, "%-50s%-15s%-10s%-10s%-10s", "Connection",
116 "State", "Rx-f", "Tx-f", "S-idx");
117 vlib_cli_output (vm, "%v", str);
118 vec_reset_length (str);
123 pool_foreach (s, pool,
125 vec_reset_length (str);
126 str = format (str, "%U", format_stream_session, s, verbose);
129 str = format (str, " Rx fifo: %U", format_svm_fifo,
130 s->server_rx_fifo, 1);
131 str = format (str, " Tx fifo: %U", format_svm_fifo,
132 s->server_tx_fifo, 1);
134 vlib_cli_output (vm, "%v", str);
140 vlib_cli_output (vm, "Thread %d: no active sessions", i);
148 VLIB_CLI_COMMAND (show_session_command, static) =
150 .path = "show session",
151 .short_help = "show session [verbose]",
152 .function = show_session_command_fn,
156 static clib_error_t *
157 clear_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
158 vlib_cli_command_t * cmd)
160 session_manager_main_t *smm = &session_manager_main;
161 u32 thread_index = 0;
162 u32 session_index = ~0;
163 stream_session_t *pool, *session;
164 application_t *server;
166 if (!smm->is_enabled)
168 return clib_error_return (0, "session layer is not enabled");
171 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
173 if (unformat (input, "thread %d", &thread_index))
175 else if (unformat (input, "session %d", &session_index))
178 return clib_error_return (0, "unknown input `%U'",
179 format_unformat_error, input);
182 if (session_index == ~0)
183 return clib_error_return (0, "session <nn> required, but not set.");
185 if (thread_index > vec_len (smm->sessions))
186 return clib_error_return (0, "thread %d out of range [0-%d]",
187 thread_index, vec_len (smm->sessions));
189 pool = smm->sessions[thread_index];
191 if (pool_is_free_index (pool, session_index))
192 return clib_error_return (0, "session %d not active", session_index);
194 session = pool_elt_at_index (pool, session_index);
195 server = application_get (session->app_index);
197 /* Disconnect both app and transport */
198 server->cb_fns.session_disconnect_callback (session);
204 VLIB_CLI_COMMAND (clear_session_command, static) =
206 .path = "clear session",
207 .short_help = "clear session thread <thread> session <index>",
208 .function = clear_session_command_fn,
212 static clib_error_t *
213 session_enable_disable_fn (vlib_main_t * vm, unformat_input_t * input,
214 vlib_cli_command_t * cmd)
218 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
220 if (unformat (input, "enable"))
222 else if (unformat (input, "disable"))
225 return clib_error_return (0, "unknown input `%U'",
226 format_unformat_error, input);
229 return vnet_session_enable_disable (vm, is_en);
233 VLIB_CLI_COMMAND (session_enable_disable_command, static) =
236 .short_help = "session [enable|disable]",
237 .function = session_enable_disable_fn,
242 * fd.io coding-style-patch-verification: ON
245 * eval: (c-set-style "gnu")