【TCP/IP协议】socket套接字 1. Socket 之前讲过TCP/IP各层的定义,基于套接字的编程处在传输层和应用层的中间。Socket能够兼容多种网络协议,最常见的是TCP/UDP。 下面是使用scoket编程,客户端与服务器端TCP连接的整个过程: 注意看每个状态下的括号里的就是程序中具体用到的函数,而具体程序中,客户端和服务器端...
MODULE 43NETWORK PROGRAMMINGSOCKET PART VAdvanced TCP/IP and RAW SOCKETMy Training Period: hoursNote:This is a continuation from Part IV,Module42. Working program examples compiled usinggcc, tested using thepublic IPs, run on Fedora 3, with several times of update, as root or suid 0. The...
int socket(int domain, int type, int protocol);//成功返回套接字描述符.出错返回-1 这一步事实上是确定通信特征,各个域domain有自己的格式表示地址,以AF_开头(address family);type确定套接字类型,如数据报、字节流;协议protocol对同一个域和套接字类型支持的多个协议进行选择,通常为0,即按给定的域和套接...
/*--- Bind the address struct to the socket ---*/ bind(welcomeSocket, (struct sockaddr *) &serverAddr, sizeof(serverAddr)); /*--- Listen on the socket, with 5 max connection requests queued ---*/ if(listen(welcomeSocket,5)==0) printf("Listening\n"); else printf("Error\n");...
#include<iostream>#include<string>#include<functional>#include<sys/types.h>#include<sys/socket.h>#include<netinet/in.h>#include<arpa/inet.h>classInetAddr{public:InetAddr(sockaddr_in addr):_addr(addr){ToHost(addr);}std::stringIP(){return_ip;}uint16_tPort(){return_port;}std::stringInfo...
TCP_socket_programming_example.rar 2.1 TCP服务端 //filename:TCPserver.c #include <stdio.h> #include <errno.h> #include <sys/socket.h> #include <netinet/in.h> #define BACKLOG 10 #define BUFFER_SIZE 1024 int main(int argc, char *argv[]) ...
确定了对方的接收缓冲区的大小,就是如何进行报文传输控制了,那么对于流量控制来说,滑动窗口就是它的核心机制之一。 滑动窗口 介绍滑动窗口之前,相信大家都有一个共同的认识就是在应用层调用read和write的接口的时候,实际上都是在内核中拷贝发送缓冲区和接收缓冲区中的数据,那么问题来了,我们前面不管是介绍确认应答机制...
习题1. prife@smart:~/projects/socket/ch4$ gcc udp_client_echo_1.c utili.c -o client prife@smart:~/projects/socket/ch4$ ./client 127.0.0.1 "hello, world" 6000 before connect: sock name:address:0.0.0.0, port:0 peer name:<NULL> after connect: sock name:address:127.0.0.1, port:47225...
server program. [bodo@bakawali testsocket]$ gcc -g udpserverc -o udpserver Run the program and let it run in the background. [bodo@bakawalitestsocket$ /udpserver UDP server - socket() is OK UDP server- try to bind. UDPserver - bind() is OK Using IP 0.0.0.0 andport 3333...
// Create a TCP/IP socket. Socket client = new Socket(ipAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp); // Connect to the remote endpoint. client.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), client); connectDone.WaitOne(); ...