linux下 各类tcp网络服务器实现源代码.doc
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%s", sock, GetCurrentTime(0, 0))；close(sock)；return -1；}else i = ret；}sprintf(errorMessage, "Recv socket:%d recv() OK! %d/%d bytes received! %s", sock, i, size, GetCurrentTime(0, 0))；return i；}最 后需要 tival.tv_usec = 0；FD_ZERO(&readfds)；if(sock > 0) {FD_SET(sock, &readfds)；maxfds=((sock > maxfds)?sock:maxfds)；}else {sprintf(errorMessage, "Recv socket:%d error!sock:maxfds)；}else {sprintf(errorMessage, "Recv socket:%d error! return:-2 %s", sock, GetCurrent sprintf(errorMessage, "Send socket:%d send() OK! %d/%d bytes sent! %s", sock, i, size, GetCurrentTime(0, 0))；return i；}/*----------------------源代码代码结束 --------------------------------------------* sprintf(errorMessage, "Send socket:%d error! return:-2 %s", sock, GetCurrentTime(0, 0))；return -2；}ret = select(maxfds 1, NULL, &writefds, NULL, &tival)；if(ret <= 0) {if(ret < 0) sprintf(/*----------------------源代码代码开始 --------------------------------------------*/intSend(int sock, char * buf, size_t size, int flag, int timeout) {/************************* 关于本函数******************** struct sockaddr_in sin；struct hostent *he；if((he=gethostbyname(serverip))== 0) {sprintf(errorMessage, "ConnectSCPServer IP address '%s' error! return:-1 %s", serverip, GetCurrentTime(0, 0))；ret if(ret < 0) {sprintf(errorMessage, "OpenTCPServer listen() error! return:%d, errno=%d, errortext:'%s' %s", ret, errno, strerror(errno), GetCurrentTime(0, 0))；close(sockfd)；return -6；}sprintf(er ret = setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &reuseORnot, sizeof(int))；if(ret < 0) {sprintf(errorMessage, "OpenTCPServer setsockopt() reuse error! return:%d, errno=%d, errortext:'%s' %s",
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