static int kr_server_try_connect_to_cluster(void)
{
if (krserver.coordport != 0) {
krserver.cofd = kr_net_tcp_connect(krserver.neterr, \
krserver.coordip, krserver.coordport);
if (krserver.cofd == KR_NET_ERR) {
KR_LOG(KR_LOGERROR, "kr_net_tcp_connect[%s][%d] failed[%s]",
krserver.coordip, krserver.coordport, krserver.neterr);
return -1;
}
}
if (krserver.cofd < 0) {
KR_LOG(KR_LOGERROR, "Can't connect to coordinator in cluster!");
return -1;
}
/* write svron message to the cluster */
if (kr_server_handle_svron() != 0) {
KR_LOG(KR_LOGERROR, "kr_server_handle_svron cluster!");
return -1;
}
/* Register read file event */
if (kr_event_file_create(krserver.krel, krserver.cofd, KR_EVENT_READABLE, \
kr_server_message_read_handler, NULL) == KR_NET_ERR) {
KR_LOG(KR_LOGERROR, "kr_event_file_create failed[%s]", krserver.neterr);
return -1;
}
return 0;
}
static void kr_coordi_common_accept_handler(int fd)
{
char ip[32];
int port;
kr_net_peer_to_string(fd, ip, &port);
printf("Connection From: fd:%d ip:%s port:%d\n", fd, ip, port);
if (fd != -1) {
kr_net_nonblock(NULL,fd);
kr_net_tcp_nodelay(NULL,fd);
if (kr_event_file_create(krcoordi.el, fd, KR_EVENT_READABLE,
kr_coordi_read_handler, NULL) == KR_NET_ERR)
{
KR_LOG(KR_LOGERROR, "kr_event_file_create error!");
close(fd);
return;
}
}
}
int kr_server_initialize(void)
{
int ret = 0;
/* signal handling */
signal(SIGHUP, SIG_IGN);
signal(SIGPIPE, SIG_IGN);
kr_server_sigterm_setup();
/* Daemonize */
if (krserver.daemonize) {
kr_server_daemonize();
}
/* Create event loop */
krserver.krel = kr_event_loop_create(krserver.maxevents);
/* Register server cron time event */
kr_event_time_create(krserver.krel, 1, kr_server_cron, NULL, NULL);
/* Start up krengine */
krserver.krengine = kr_engine_startup(
krserver.dbname, krserver.dbuser, krserver.dbpass,
krserver.logpath, krserver.serverid, krserver.loglevel,
krserver.krdbmodule, krserver.datamodule, krserver.rulemodule,
krserver.hdicachesize, krserver.threadcnt, krserver.hwm,
krserver.krel);
if (krserver.krengine == NULL) {
KR_LOG(KR_LOGERROR, "kr_engine_startup failed!\n");
return -1;
}
/* Becoming a server */
if (krserver.tcpport != 0) {
krserver.ipfd = kr_net_tcp_server(krserver.neterr, \
krserver.tcpport, krserver.tcpbindaddr);
if (krserver.ipfd == KR_NET_ERR) {
KR_LOG(KR_LOGERROR, "kr_net_tcp_server[%d] failed[%s]",
krserver.tcpport, krserver.neterr);
return -1;
}
}
if (krserver.ipfd < 0) {
KR_LOG(KR_LOGERROR, "tcpport [%d] uncorrect!", krserver.tcpport);
return -1;
}
/* Register tcp accept file event */
ret = kr_event_file_create(krserver.krel, krserver.ipfd,
KR_EVENT_READABLE, kr_server_tcp_accept_handler, NULL);
if (ret == KR_NET_ERR) {
KR_LOG(KR_LOGERROR, "kr_event_file_create tcp error");
return -1;
}
/* Serve as part of cluster */
if (krserver.clustermode != 0) {
if (kr_server_connect_to_cluster() != 0) {
KR_LOG(KR_LOGERROR, "kr_server_connect_to_cluster failed");
return -1;
}
}
return 0;
}