2 * Copyright (c) 2009, 2010, 2011, 2012, 2014 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "reconnect.h"
24 #include "command-line.h"
29 #include "openvswitch/vlog.h"
31 static struct reconnect *reconnect;
34 static void diff_stats(const struct reconnect_stats *old,
35 const struct reconnect_stats *new,
37 static const struct command *get_all_commands(void);
40 test_reconnect_main(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
42 extern struct vlog_module VLM_reconnect;
43 struct reconnect_stats prev;
44 unsigned int old_max_tries;
48 vlog_set_levels(&VLM_reconnect, VLF_ANY_DESTINATION, VLL_OFF);
51 reconnect = reconnect_create(now);
52 reconnect_set_name(reconnect, "remote");
53 reconnect_get_stats(reconnect, now, &prev);
54 printf("### t=%d ###\n", now);
56 old_max_tries = reconnect_get_max_tries(reconnect);
57 while (fgets(line, sizeof line, stdin)) {
58 struct reconnect_stats cur;
67 svec_parse_words(&args, line);
68 svec_terminate(&args);
69 if (!svec_is_empty(&args)) {
70 run_command(args.n, args.names, get_all_commands());
74 if (old_time != now) {
75 printf("\n### t=%d ###\n", now);
78 reconnect_get_stats(reconnect, now, &cur);
79 diff_stats(&prev, &cur, now - old_time);
81 if (reconnect_get_max_tries(reconnect) != old_max_tries) {
82 old_max_tries = reconnect_get_max_tries(reconnect);
83 printf(" %u tries left\n", old_max_tries);
91 do_enable(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
93 reconnect_enable(reconnect, now);
97 do_disable(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
99 reconnect_disable(reconnect, now);
103 do_force_reconnect(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
105 reconnect_force_reconnect(reconnect, now);
109 error_from_string(const char *s)
113 } else if (!strcmp(s, "ECONNREFUSED")) {
115 } else if (!strcmp(s, "EOF")) {
118 ovs_fatal(0, "unknown error '%s'", s);
123 do_disconnected(int argc OVS_UNUSED, char *argv[])
125 reconnect_disconnected(reconnect, now, error_from_string(argv[1]));
129 do_connecting(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
131 reconnect_connecting(reconnect, now);
135 do_connect_failed(int argc OVS_UNUSED, char *argv[])
137 reconnect_connect_failed(reconnect, now, error_from_string(argv[1]));
141 do_connected(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
143 reconnect_connected(reconnect, now);
147 do_activity(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
149 reconnect_activity(reconnect, now);
153 do_run(int argc, char *argv[])
155 enum reconnect_action action;
158 now += atoi(argv[1]);
161 action = reconnect_run(reconnect, now);
169 case RECONNECT_CONNECT:
170 printf(" should connect\n");
173 case RECONNECT_DISCONNECT:
174 printf(" should disconnect\n");
177 case RECONNECT_PROBE:
178 printf(" should send probe\n");
184 do_advance(int argc OVS_UNUSED, char *argv[])
186 now += atoi(argv[1]);
190 do_timeout(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
192 int timeout = reconnect_timeout(reconnect, now);
194 printf(" advance %d ms\n", timeout);
197 printf(" no timeout\n");
202 do_set_max_tries(int argc OVS_UNUSED, char *argv[])
204 reconnect_set_max_tries(reconnect, atoi(argv[1]));
208 diff_stats(const struct reconnect_stats *old,
209 const struct reconnect_stats *new,
212 if (old->state != new->state
213 || old->state_elapsed != new->state_elapsed
214 || old->backoff != new->backoff) {
215 printf(" in %s for %u ms (%d ms backoff)\n",
216 new->state, new->state_elapsed, new->backoff);
218 if (old->creation_time != new->creation_time
219 || old->last_activity != new->last_activity
220 || old->last_connected != new->last_connected) {
221 printf(" created %lld, last activity %lld, last connected %lld\n",
222 new->creation_time, new->last_activity, new->last_connected);
224 if (old->n_successful_connections != new->n_successful_connections
225 || old->n_attempted_connections != new->n_attempted_connections
226 || old->seqno != new->seqno) {
227 printf(" %u successful connections out of %u attempts, seqno %u\n",
228 new->n_successful_connections, new->n_attempted_connections,
231 if (old->is_connected != new->is_connected) {
232 printf(" %sconnected\n", new->is_connected ? "" : "dis");
234 if (old->last_connected != new->last_connected
235 || (old->msec_since_connect != new->msec_since_connect - delta
236 && !(old->msec_since_connect == UINT_MAX
237 && new->msec_since_connect == UINT_MAX))
238 || (old->total_connected_duration != new->total_connected_duration - delta
239 && !(old->total_connected_duration == 0
240 && new->total_connected_duration == 0))) {
241 printf(" last connected %u ms ago, connected %u ms total\n",
242 new->msec_since_connect, new->total_connected_duration);
244 if (old->last_disconnected != new->last_disconnected
245 || (old->msec_since_disconnect != new->msec_since_disconnect - delta
246 && !(old->msec_since_disconnect == UINT_MAX
247 && new->msec_since_disconnect == UINT_MAX))) {
248 printf(" disconnected at %llu ms (%u ms ago)\n",
249 new->last_disconnected, new->msec_since_disconnect);
254 do_set_passive(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
256 reconnect_set_passive(reconnect, true, now);
260 do_listening(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
262 reconnect_listening(reconnect, now);
266 do_listen_error(int argc OVS_UNUSED, char *argv[])
268 reconnect_listen_error(reconnect, now, atoi(argv[1]));
271 static const struct command all_commands[] = {
272 { "enable", NULL, 0, 0, do_enable },
273 { "disable", NULL, 0, 0, do_disable },
274 { "force-reconnect", NULL, 0, 0, do_force_reconnect },
275 { "disconnected", NULL, 0, 1, do_disconnected },
276 { "connecting", NULL, 0, 0, do_connecting },
277 { "connect-failed", NULL, 0, 1, do_connect_failed },
278 { "connected", NULL, 0, 0, do_connected },
279 { "activity", NULL, 0, 0, do_activity },
280 { "run", NULL, 0, 1, do_run },
281 { "advance", NULL, 1, 1, do_advance },
282 { "timeout", NULL, 0, 0, do_timeout },
283 { "set-max-tries", NULL, 1, 1, do_set_max_tries },
284 { "passive", NULL, 0, 0, do_set_passive },
285 { "listening", NULL, 0, 0, do_listening },
286 { "listen-error", NULL, 1, 1, do_listen_error },
287 { NULL, NULL, 0, 0, NULL },
290 static const struct command *
291 get_all_commands(void)
296 OVSTEST_REGISTER("test-reconnect", test_reconnect_main);