X-Git-Url: http://git.onelab.eu/?p=distributedratelimiting.git;a=blobdiff_plain;f=drl%2Fulogd_DRL.c;h=2bb4e524e828c07c05209792c11820c552b2bd1e;hp=8d9b20c178e3f546d175b575515a87b9d4ef33a6;hb=d15c193d42750a06660f40962f5158f880529f07;hpb=413b791967a86b77c27cb9f71b41c3d607b58315 diff --git a/drl/ulogd_DRL.c b/drl/ulogd_DRL.c index 8d9b20c..2bb4e52 100644 --- a/drl/ulogd_DRL.c +++ b/drl/ulogd_DRL.c @@ -1795,27 +1795,34 @@ static void *signal_thread_func(void *args) { sigaddset(&sigs, SIGHUP); sigaddset(&sigs, SIGUSR1); sigaddset(&sigs, SIGUSR2); + sigaddset(&sigs, SIGRTMAX); pthread_sigmask(SIG_BLOCK, &sigs, NULL); while (1) { sigemptyset(&sigs); - sigaddset(&sigs, SIGHUP); + //sigaddset(&sigs, SIGHUP); sigaddset(&sigs, SIGUSR1); sigaddset(&sigs, SIGUSR2); + sigaddset(&sigs, SIGRTMAX); err = sigwait(&sigs, &sig); if (err) { printlog(LOG_CRITICAL, "sigwait() returned an error.\n"); flushlog(); + continue; + } + + if (sig == SIGRTMAX) { + printf("Caught SIGRTMAX - toggling fake partitions.\n"); + do_partition = !do_partition; + continue; } switch (sig) { case SIGHUP: - printlog(LOG_WARN, "Caught SIGHUP - re-reading XML file.\n"); - reconfig(); - //time_reconfig(1000); /* instrumentation */ - flushlog(); + printlog(LOG_CRITICAL, "Caught SIGHUP in signal_thread_func?!?\n"); + printf("Caught SIGHUP in signal_thread_func?!?\n"); break; case SIGUSR1: pthread_rwlock_wrlock(&limiter.limiter_lock); @@ -1830,7 +1837,10 @@ static void *signal_thread_func(void *args) { pthread_rwlock_unlock(&limiter.limiter_lock); break; case SIGUSR2: - do_partition = !do_partition; + printlog(LOG_WARN, "Caught SIGUSR2 - re-reading XML file.\n"); + printf("Caught SIGUSR2 - re-reading XML file.\n"); + reconfig(); + flushlog(); break; default: /* Intentionally blank. */ @@ -1843,9 +1853,10 @@ static int drl_plugin_init() { sigset_t signal_mask; sigemptyset(&signal_mask); - sigaddset(&signal_mask, SIGHUP); + //sigaddset(&signal_mask, SIGHUP); sigaddset(&signal_mask, SIGUSR1); sigaddset(&signal_mask, SIGUSR2); + sigaddset(&signal_mask, SIGRTMAX); pthread_sigmask(SIG_BLOCK, &signal_mask, NULL); if (pthread_create(&signal_thread, NULL, &signal_thread_func, NULL) != 0) { @@ -1882,10 +1893,22 @@ static int drl_plugin_init() { return 0; } +static void drl_signal(int sig) { + if (sig == SIGHUP) { + printf("Caught SIGHUP - reopening DRL log file.\n"); + + fclose(logfile); + logfile = fopen(drl_logfile.u.string, "a"); + printlog(LOG_CRITICAL, "Reopened logfile.\n"); + } else { + printlog(LOG_WARN, "Caught unexpected signal %d in drl_signal.\n", sig); + } +} + static ulog_output_t drl_op = { .name = "drl", .output = &_output_drl, - .signal = NULL, /* This appears to be broken. Using my own handler. */ + .signal = &drl_signal, .init = &drl_plugin_init, .fini = NULL, };