static char *
capture_vsctl_valist(const char *arg0, va_list args)
{
char *stdout_log, *stderr_log;
enum vlog_level log_level;
struct svec argv;
int status;
char *msg;
/* Compose arguments. */
svec_init(&argv);
svec_add(&argv, arg0);
for (;;) {
const char *arg = va_arg(args, const char *);
if (!arg) {
break;
}
svec_add(&argv, arg);
}
svec_terminate(&argv);
/* Run process. */
if (process_run_capture(argv.names, &stdout_log, &stderr_log, SIZE_MAX,
&status)) {
svec_destroy(&argv);
return NULL;
}
/* Log results. */
if (WIFEXITED(status)) {
int code = WEXITSTATUS(status);
log_level = code == 0 ? VLL_DBG : code == 1 ? VLL_WARN : VLL_ERR;
} else {
log_level = VLL_ERR;
}
msg = process_status_msg(status);
VLOG(log_level, "ovs-vsctl exited (%s)", msg);
if (stdout_log && *stdout_log) {
VLOG(log_level, "ovs-vsctl wrote to stdout:\n%s\n", stdout_log);
}
if (stderr_log && *stderr_log) {
VLOG(log_level, "ovs-vsctl wrote to stderr:\n%s\n", stderr_log);
}
free(msg);
svec_destroy(&argv);
free(stderr_log);
if (WIFEXITED(status) && !WEXITSTATUS(status)) {
return stdout_log;
} else {
free(stdout_log);
return NULL;
}
}
int
main(void)
{
extern struct vlog_module VLM_reconnect;
struct reconnect_stats prev;
unsigned int old_max_tries;
int old_time;
char line[128];
vlog_set_levels(&VLM_reconnect, VLF_ANY_FACILITY, VLL_OFF);
now = 1000;
reconnect = reconnect_create(now);
reconnect_set_name(reconnect, "remote");
reconnect_get_stats(reconnect, now, &prev);
printf("### t=%d ###\n", now);
old_time = now;
old_max_tries = reconnect_get_max_tries(reconnect);
while (fgets(line, sizeof line, stdin)) {
struct reconnect_stats cur;
struct svec args;
fputs(line, stdout);
if (line[0] == '#') {
continue;
}
svec_init(&args);
svec_parse_words(&args, line);
svec_terminate(&args);
if (!svec_is_empty(&args)) {
run_command(args.n, args.names, commands);
}
svec_destroy(&args);
if (old_time != now) {
printf("\n### t=%d ###\n", now);
}
reconnect_get_stats(reconnect, now, &cur);
diff_stats(&prev, &cur, now - old_time);
prev = cur;
if (reconnect_get_max_tries(reconnect) != old_max_tries) {
old_max_tries = reconnect_get_max_tries(reconnect);
printf(" %u tries left\n", old_max_tries);
}
old_time = now;
}
return 0;
}
