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#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <ecp/core.h>
#include <ecp/dir/dir.h>
#include "server.h"
#include "dir.h"
#include "acl.h"
#include "sig.h"
static pthread_t sig_handler_thd;
static sigset_t sig_set;
static int conn_expired(ECPConnection *conn, ecp_sts_t now) {
return _ecp_conn_is_zombie(conn, now, CONN_EXPIRE_TO);
}
static void * _sig_handler(void *arg) {
ECPSocket *sock = arg;
int rv, sig;
while (1) {
rv = sigwait(&sig_set, &sig);
if (rv) {
LOG(LOG_ERR, "sig_handler: sigwait error\n");
continue;
}
switch (sig) {
case SIGUSR1: {
rv = acl_load();
if (rv) {
LOG(LOG_ERR, "sig_handler: acl load err:%d\n", rv);
continue;
}
LOG(LOG_DEBUG, "sig_handler: acl reloaded - total keys:%u dir keys:%u\n", acl_count(), acl_dir_count());
break;
}
case SIGUSR2: {
ecp_sock_expire(sock, conn_expired);
LOG(LOG_DEBUG, "sig_handler: gc done - inbound connection count:%u\n", ecp_sock_gct_count(sock));
break;
}
default: {
LOG(LOG_DEBUG, "sig_handler: unknown signal:%d\n", sig);
break;
}
}
}
return NULL;
}
int sig_start_handler(ECPSocket *sock) {
int rv;
rv = pthread_create(&sig_handler_thd, NULL, &_sig_handler, sock);
if (rv) return ECP_ERR;
return ECP_OK;
}
int sig_init(void) {
int rv;
sigemptyset(&sig_set);
sigaddset(&sig_set, SIGUSR1);
sigaddset(&sig_set, SIGUSR2);
sigaddset(&sig_set, SIGHUP);
rv = pthread_sigmask(SIG_BLOCK, &sig_set, NULL);
if (rv) return ECP_ERR;
return ECP_OK;
}
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