int check_package(fmsg_pack *p)
{
if (p == NULL)
err_common("bad package");
if (p->from == NULL || p->to == NULL || p->fmsg == NULL)
err_common("bad package");
return 0;
}
/*
打印日志信息。
*/
void log_msg (const char*file,const Int32_t line,const char *text, ...)
{
va_list arg;
char buf[LINE_LEN];
memset(buf,'\0',sizeof(buf));
if((file != NULL) && (line>0))
{
snprintf(buf,sizeof(buf),"%s:%d %s",file,line,text);
}
else
{
memcpy(buf,text,strlen(text));
}
va_start (arg, text);
err_common (B_FALSE, buf, arg);
va_end (arg);
}
int msg_receive(fmsg_pack *q, int fdself)
{
if (q == NULL)
err_common("bad address");
//lock fdself
if (lockf(fdself, 1, 0) == -1)
sys_quit("lock failed");
if (read(fdself, q, sizeof(fmsg_pack)) < 0)
sys_quit("error occured while attempted to read :");
//unlock fdself
if (lockf(fdself, 0, 0) == -1)
sys_quit("unlock failed");
if (check_package(q))
return -1;
return 0;
}
