static void
hup_handler(int sig)
{
route *newroutes;
cluster *newclusters;
int id;
FILE *newfd;
logout("caught SIGHUP...\n");
if (relay_stderr != stderr) {
/* try to re-open the file first, so we can still try and say
* something if that fails */
if ((newfd = fopen(relay_logfile, "a")) == NULL) {
logerr("not reopening logfiles: can't open '%s': %s\n",
relay_logfile, strerror(errno));
} else {
logout("closing logfile\n");
relay_can_log = 0;
fclose(relay_stderr);
relay_stdout = newfd;
relay_stderr = newfd;
relay_can_log = 1;
logout("reopening logfile\n");
}
}
logout("reloading config from '%s'...\n", config);
if (router_readconfig(&newclusters, &newroutes,
config, queuesize, batchsize) == 0)
{
logerr("failed to read configuration '%s', aborting reload\n",
config);
return;
}
router_optimise(&newroutes);
logout("reloading worker");
for (id = 1; id < 1 + workercnt; id++)
dispatch_schedulereload(workers[id + 0], newroutes);
for (id = 1; id < 1 + workercnt; id++) {
while (!dispatch_reloadcomplete(workers[id + 0]))
usleep((100 + (rand() % 200)) * 1000); /* 100ms - 300ms */
fprintf(relay_stdout, " %d", id + 1);
fflush(relay_stdout);
}
fprintf(relay_stdout, "\n");
logout("reloading collector\n");
collector_schedulereload(newclusters);
while (!collector_reloadcomplete())
usleep((100 + (rand() % 200)) * 1000); /* 100ms - 300ms */
router_free(clusters, routes);
routes = newroutes;
clusters = newclusters;
logout("SIGHUP handler complete\n");
}
/**
* Initialises and starts the collector.
*/
void
collector_start(dispatcher **d, cluster *c, server *submission)
{
dispatchers = d;
collector_schedulereload(c);
if (mode == DEBUG || mode == DEBUGTEST)
debug = 1;
if (mode != SUBMISSION) {
if (pthread_create(&collectorid, NULL, collector_runner, submission) != 0)
logerr("failed to start collector!\n");
} else {
if (pthread_create(&collectorid, NULL, collector_writer, NULL) != 0)
logerr("failed to start collector!\n");
}
}
/**
* Initialises and starts the collector.
*/
void
collector_start(dispatcher **d, router *rtr, server *submission, char cum)
{
dispatchers = d;
collector_schedulereload(rtr);
if (mode & MODE_DEBUG)
debug = 1;
debug |= (cum ? 0 : 2);
if (mode & MODE_SUBMISSION) {
if (pthread_create(&collectorid, NULL, collector_writer, NULL) != 0)
logerr("failed to start collector!\n");
} else {
if (pthread_create(&collectorid, NULL, collector_runner, submission) != 0)
logerr("failed to start collector!\n");
}
}
/**
* Initialises and starts the collector.
*/
void
collector_start(dispatcher **d, cluster *c, aggregator *a, server *submission, char cum)
{
dispatchers = d;
collector_schedulereload(c, a);
if (mode == DEBUG || mode == DEBUGTEST || mode == DEBUGSUBMISSION)
debug = 1;
debug |= (cum ? 0 : 2);
if (mode != SUBMISSION && mode != DEBUGSUBMISSION) {
if (pthread_create(&collectorid, NULL, collector_runner, submission) != 0)
logerr("failed to start collector!\n");
} else {
if (pthread_create(&collectorid, NULL, collector_writer, NULL) != 0)
logerr("failed to start collector!\n");
}
}
