C++ (Cpp) tcpgetstatus示例

示例#1

文件： network.c 项目： cheliequan/idning-paper

int tcpstrtoconnect(int sock,const char *hostname,const char *service,uint32_t msecto) {
	struct sockaddr_in sa;
	if (socknonblock(sock)<0) {
		return -1;
	}
	if (sockaddrfill(&sa,hostname,service,AF_INET,SOCK_STREAM,0)<0) {
		return -1;
	}
	if (connect(sock,(struct sockaddr *)&sa,sizeof(struct sockaddr_in)) >= 0) {
		return 0;
	}
	if (errno == EINPROGRESS) {
		struct pollfd pfd;
		pfd.fd = sock;
		pfd.events = POLLOUT;
		pfd.revents = 0;
		if (poll(&pfd,1,msecto)<0) {
			return -1;
		}
		if (pfd.revents & POLLOUT) {
			return tcpgetstatus(sock);
		}
		errno=ETIMEDOUT;
	}
	return -1;
}

示例#2

文件： replicator.c 项目： chengyishi/moosefs

static int rep_wait_for_connection(replication *r,uint32_t msecto) {
	uint8_t i,l;
	struct timeval tvb,tv;
	uint32_t msec;
	gettimeofday(&tvb,NULL);
	for (;;) {
		l=1;
		for (i=0 ; i<r->srccnt ; i++) {
			if (r->repsources[i].mode==CONNECTING) {
				r->fds[i].events = POLLOUT;
				l=0;
			} else {
				r->fds[i].events = 0;
			}
		}
		if (l) {	// finished
			return 0;
		}
		gettimeofday(&tv,NULL);
		if (tv.tv_usec < tvb.tv_usec) {
			tv.tv_usec+=1000000;
			tv.tv_sec--;
		}
		tv.tv_sec-=tvb.tv_sec;
		tv.tv_usec-=tvb.tv_usec;
		msec = tv.tv_sec * 1000 + tv.tv_usec / 1000;
		if (msec>=msecto) {
			syslog(LOG_NOTICE,"replicator: connect timed out");
			return -1; // timed out
		}
		if (poll(r->fds,r->srccnt,msecto-msec)<0) {
			if (errno!=EINTR && errno!=EAGAIN) {
				mfs_errlog_silent(LOG_NOTICE,"replicator: poll error");
				return -1;
			}
			continue;
		}
		for (i=0 ; i<r->srccnt ; i++) {
			if (r->fds[i].revents & POLLHUP) {
				syslog(LOG_NOTICE,"replicator: connection lost");
				return -1;
			}
			if (r->fds[i].revents & POLLOUT) {
				if (tcpgetstatus(r->repsources[i].sock)<0) {
					mfs_errlog_silent(LOG_NOTICE,"replicator: connect error");
					return -1;
				}
				r->repsources[i].mode=IDLE;
			}
		}
	}
}

示例#3

文件： masterconn.c 项目： andyqzb/shadow-mfs

void masterconn_connecttest(serventry *eptr) {
	int status;

	status = tcpgetstatus(eptr->sock);
	if (status) {
		MFSLOG(LOG_WARNING,"connection failed, error: %m");
		tcpclose(eptr->sock);
		eptr->sock=-1;
		eptr->mode=FREE;
	} else {
		MFSLOG(LOG_NOTICE,"connected to Master");
		masterconn_connected(eptr);
	}
}

示例#4

文件： masterconn.c 项目： moosefs/moosefs

void masterconn_connecttest(masterconn *eptr) {
    int status;

    status = tcpgetstatus(eptr->sock);
    if (status) {
        mfs_errlog_silent(LOG_WARNING,"connection failed, error");
        tcpclose(eptr->sock);
        eptr->sock = -1;
        eptr->mode = FREE;
        eptr->masteraddrvalid = 0;
    } else {
        syslog(LOG_NOTICE,"connected to Master");
        masterconn_connected(eptr);
    }
}

示例#5

文件： replicator.c 项目： davies/moosefs

static int rep_wait_for_connection(replication *r,uint32_t msecto) {
	uint8_t i,l;
	uint64_t st;
	uint32_t msec;
	st = monotonic_useconds();
	for (;;) {
		l=1;
		for (i=0 ; i<r->srccnt ; i++) {
			if (r->repsources[i].mode==CONNECTING) {
				r->fds[i].events = POLLOUT;
				l=0;
			} else {
				r->fds[i].events = 0;
			}
		}
		if (l) {	// finished
			return 0;
		}
		msec = (monotonic_useconds()-st)/1000;
		if (msec>=msecto) {
			syslog(LOG_NOTICE,"replicator: connect timed out");
			return -1; // timed out
		}
		if (poll(r->fds,r->srccnt,msecto-msec)<0) {
			if (errno!=EINTR && ERRNO_ERROR) {
				mfs_errlog_silent(LOG_NOTICE,"replicator: poll error");
				return -1;
			}
			continue;
		}
		for (i=0 ; i<r->srccnt ; i++) {
			if (r->fds[i].revents & POLLHUP) {
				syslog(LOG_NOTICE,"replicator: connection lost");
				return -1;
			}
			if (r->fds[i].revents & POLLOUT) {
				if (tcpgetstatus(r->repsources[i].sock)<0) {
					mfs_errlog_silent(LOG_NOTICE,"replicator: connect error");
					return -1;
				}
				r->repsources[i].mode=IDLE;
			}
		}
	}
}

示例#6

文件： network.c 项目： cheliequan/idning-paper

int tcpnumtoconnect(int sock,uint32_t ip,uint16_t port,uint32_t msecto) {
	struct sockaddr_in sa;
	if (socknonblock(sock)<0) {
		return -1;
	}
	sockaddrnumfill(&sa,ip,port);
	if (connect(sock,(struct sockaddr *)&sa,sizeof(struct sockaddr_in)) >= 0) {
		return 0;
	}
	if (errno == EINPROGRESS) {
		struct pollfd pfd;
		pfd.fd = sock;
		pfd.events = POLLOUT;
		pfd.revents = 0;
		if (poll(&pfd,1,msecto)<0) {
			return -1;
		}
		if (pfd.revents & POLLOUT) {
			return tcpgetstatus(sock);
		}
		errno=ETIMEDOUT;
	}
	return -1;
}