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 ovs_cmdl_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 struct ovs_cmdl_context ctx = {
74 ovs_cmdl_run_command(&ctx, get_all_commands());
78 if (old_time != now) {
79 printf("\n### t=%d ###\n", now);
82 reconnect_get_stats(reconnect, now, &cur);
83 diff_stats(&prev, &cur, now - old_time);
85 if (reconnect_get_max_tries(reconnect) != old_max_tries) {
86 old_max_tries = reconnect_get_max_tries(reconnect);
87 printf(" %u tries left\n", old_max_tries);
95 do_enable(struct ovs_cmdl_context *ctx OVS_UNUSED)
97 reconnect_enable(reconnect, now);
101 do_disable(struct ovs_cmdl_context *ctx OVS_UNUSED)
103 reconnect_disable(reconnect, now);
107 do_force_reconnect(struct ovs_cmdl_context *ctx OVS_UNUSED)
109 reconnect_force_reconnect(reconnect, now);
113 error_from_string(const char *s)
117 } else if (!strcmp(s, "ECONNREFUSED")) {
119 } else if (!strcmp(s, "EOF")) {
122 ovs_fatal(0, "unknown error '%s'", s);
127 do_disconnected(struct ovs_cmdl_context *ctx)
129 reconnect_disconnected(reconnect, now, error_from_string(ctx->argv[1]));
133 do_connecting(struct ovs_cmdl_context *ctx OVS_UNUSED)
135 reconnect_connecting(reconnect, now);
139 do_connect_failed(struct ovs_cmdl_context *ctx)
141 reconnect_connect_failed(reconnect, now, error_from_string(ctx->argv[1]));
145 do_connected(struct ovs_cmdl_context *ctx OVS_UNUSED)
147 reconnect_connected(reconnect, now);
151 do_activity(struct ovs_cmdl_context *ctx OVS_UNUSED)
153 reconnect_activity(reconnect, now);
157 do_run(struct ovs_cmdl_context *ctx)
159 enum reconnect_action action;
162 now += atoi(ctx->argv[1]);
165 action = reconnect_run(reconnect, now);
173 case RECONNECT_CONNECT:
174 printf(" should connect\n");
177 case RECONNECT_DISCONNECT:
178 printf(" should disconnect\n");
181 case RECONNECT_PROBE:
182 printf(" should send probe\n");
188 do_advance(struct ovs_cmdl_context *ctx)
190 now += atoi(ctx->argv[1]);
194 do_timeout(struct ovs_cmdl_context *ctx OVS_UNUSED)
196 int timeout = reconnect_timeout(reconnect, now);
198 printf(" advance %d ms\n", timeout);
201 printf(" no timeout\n");
206 do_set_max_tries(struct ovs_cmdl_context *ctx)
208 reconnect_set_max_tries(reconnect, atoi(ctx->argv[1]));
212 diff_stats(const struct reconnect_stats *old,
213 const struct reconnect_stats *new,
216 if (old->state != new->state
217 || old->state_elapsed != new->state_elapsed
218 || old->backoff != new->backoff) {
219 printf(" in %s for %u ms (%d ms backoff)\n",
220 new->state, new->state_elapsed, new->backoff);
222 if (old->creation_time != new->creation_time
223 || old->last_activity != new->last_activity
224 || old->last_connected != new->last_connected) {
225 printf(" created %lld, last activity %lld, last connected %lld\n",
226 new->creation_time, new->last_activity, new->last_connected);
228 if (old->n_successful_connections != new->n_successful_connections
229 || old->n_attempted_connections != new->n_attempted_connections
230 || old->seqno != new->seqno) {
231 printf(" %u successful connections out of %u attempts, seqno %u\n",
232 new->n_successful_connections, new->n_attempted_connections,
235 if (old->is_connected != new->is_connected) {
236 printf(" %sconnected\n", new->is_connected ? "" : "dis");
238 if (old->last_connected != new->last_connected
239 || (old->msec_since_connect != new->msec_since_connect - delta
240 && !(old->msec_since_connect == UINT_MAX
241 && new->msec_since_connect == UINT_MAX))
242 || (old->total_connected_duration != new->total_connected_duration - delta
243 && !(old->total_connected_duration == 0
244 && new->total_connected_duration == 0))) {
245 printf(" last connected %u ms ago, connected %u ms total\n",
246 new->msec_since_connect, new->total_connected_duration);
248 if (old->last_disconnected != new->last_disconnected
249 || (old->msec_since_disconnect != new->msec_since_disconnect - delta
250 && !(old->msec_since_disconnect == UINT_MAX
251 && new->msec_since_disconnect == UINT_MAX))) {
252 printf(" disconnected at %llu ms (%u ms ago)\n",
253 new->last_disconnected, new->msec_since_disconnect);
258 do_set_passive(struct ovs_cmdl_context *ctx OVS_UNUSED)
260 reconnect_set_passive(reconnect, true, now);
264 do_listening(struct ovs_cmdl_context *ctx OVS_UNUSED)
266 reconnect_listening(reconnect, now);
270 do_listen_error(struct ovs_cmdl_context *ctx)
272 reconnect_listen_error(reconnect, now, atoi(ctx->argv[1]));
275 static const struct ovs_cmdl_command all_commands[] = {
276 { "enable", NULL, 0, 0, do_enable },
277 { "disable", NULL, 0, 0, do_disable },
278 { "force-reconnect", NULL, 0, 0, do_force_reconnect },
279 { "disconnected", NULL, 0, 1, do_disconnected },
280 { "connecting", NULL, 0, 0, do_connecting },
281 { "connect-failed", NULL, 0, 1, do_connect_failed },
282 { "connected", NULL, 0, 0, do_connected },
283 { "activity", NULL, 0, 0, do_activity },
284 { "run", NULL, 0, 1, do_run },
285 { "advance", NULL, 1, 1, do_advance },
286 { "timeout", NULL, 0, 0, do_timeout },
287 { "set-max-tries", NULL, 1, 1, do_set_max_tries },
288 { "passive", NULL, 0, 0, do_set_passive },
289 { "listening", NULL, 0, 0, do_listening },
290 { "listen-error", NULL, 1, 1, do_listen_error },
291 { NULL, NULL, 0, 0, NULL },
294 static const struct ovs_cmdl_command *
295 get_all_commands(void)
300 OVSTEST_REGISTER("test-reconnect", test_reconnect_main);