#include?“etcp.h“
#include?“heartbeat.h“

int?main（?int?argc?char?**argv?）
{
	fd_set?allfd;
	fd_set?readfd;
	msg_t?msg;
	struct?timeval?tv;
	SOCKET?s;
	int?rc;
	int?heartbeats?=?0;
	int?cnt?=?sizeof（?msg?）;

	INIT（）;
	s?=?tcp_client（?argv[?1?]?argv[?2?]?）;
	FD_ZERO（?&allfd?）;
	FD_SET（?s?&allfd?）;
	tv.tv_sec?=?T1;
	tv.tv_usec?=?0;
	for?（?;;?）
	{
		readfd?=?allfd;
		rc?=?select（?s?+?1?&readfd?NULL?NULL?&tv?）;
		if?（?rc?			error（?1?errno?“select?failure“?）;
		if?（?rc?==?0?）		/*?timed?out?*/
		{
			if?（?++heartbeats?>?3?）
				error（?1?0?“connection?dead\n“?）;
			error（?0?0?“sending?heartbeat?#%d\n“?heartbeats?）;
			msg.type?=?htonl（?MSG_HEARTBEAT?）;
			rc?=?send（?s?（?char?*?）&msg?sizeof（?msg?）?0?）;
			if?（?rc?				error（?1?errno?“send?failure“?）;
			tv.tv_sec?=?T2;
			continue;
		}
		if?（?!FD_ISSET（?s?&readfd?）?）
			error（?1?0?“select?returned?invalid?socket\n“?）;
		rc?=?recv（?s?（?char?*?）&msg?+?sizeof（?msg?）?-?cnt
			cnt?0?）;
		if?（?rc?==?0?）
			error（?1?0?“server?terminated\n“?）;
		if?（?rc?			error（?1?errno?“recv?failure“?）;
		heartbeats?=?0;
		tv.tv_sec?=?T1;
		cnt?-=?rc;					/*?in-line?readn?*/
		if?（?cnt?>?0?）
			continue;
		cnt?=?sizeof（?msg?）;

		/*?process?message?*/
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-10-18?23:10??heartbeat\
?????文件????????1470??2012-10-18?23:09??heartbeat\etcp.h
?????文件????????1241??2012-10-18?23:09??heartbeat\hb_client.c
?????文件????????1631??2012-10-18?23:09??heartbeat\hb_server.c
?????文件?????????440??2012-10-18?23:09??heartbeat\heartbeat.h
?????文件?????????479??2012-10-18?23:09??heartbeat\readn.c
?????文件?????????776??2012-10-18?23:09??heartbeat\readvrec.c
?????文件?????????452??2012-10-18?23:09??heartbeat\skel.h
?????文件?????????423??2012-10-18?23:10??heartbeat\tcp_client.c
?????文件?????????633??2012-10-18?23:10??heartbeat\tcp_server.c
?????文件????????3461??2012-10-18?23:10??heartbeat\tcpsink.c
?????文件????????2040??2012-10-18?23:10??heartbeat\util.c
?????文件?????????450??2012-10-18?23:10??heartbeat\vrc.c
?????文件?????????647??2012-10-18?23:10??heartbeat\vrs.c