struct sockaddr_in client; socklen_t client_len = sizeof(client); int connect_fd = accept(tcp_socket,(struct sockaddr *)&client,&client_len); //会阻塞 char buf[128] = {0}; //5.说明双方建立连接,此时可以接收数据 while(1) { r
TCP_client.c 代码语言:javascript 代码运行次数:0 运行 AI代码解释 #include <stdio.h> #include <string.h> #include <sys/socket.h> #include <arpa/inet.h> int main(void) { int socket_desc; struct sockaddr_in server_addr; char server_message[100], client_message[100]; // Clean buffers:...
*/intmain(int argc,char**argv){if(argc!=2){printf("./app <端口号>\n");return0;}int sockfd;/*1. 创建socket套接字*/sockfd=socket(AF_INET,SOCK_STREAM,0);/*2. 绑定端口号与IP地址*/struct sockaddr_in addr;addr.sin_family=AF_INET;addr.sin_port=htons(atoi(argv[1]));// 端口号0...
ESP8266工作在station模式下,需确认ESP8266已经连接AP(路由器)并分配到IP地址,启用client连接 ESP8266工作在soft-AP模式下,需确认连接ESP8266的设备已被分配到IP地址,启用client连接 ESP8266 TCP Client模式配置流程 依据协议初始化espconn参数 注册连接成功的回调函数和连接失败重连的回调函数(espconn_regist_connectcb...
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服务端返回数据到client端,TCP协议栈ack这些包,但是应用层没读走包,这个时候 SO_RCVBUF 堆积满,client的TCP协议栈发送 ZeroWindow 标志给服务端。也就是接收端的 buffer 堆满了(但是服务端这个时候看到的bytes in fly是0,因为都ack了),这时服务端不能继续发数据,要等 ZeroWindow 恢复。
简介:我个人的Linux TCP server和client测试源码,C语言(2)(★firecat推荐★) 二、echo源码2如下,main.c #include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <sys/epoll.h>#include <sys/socket.h>#include <arpa/inet.h>#include <netinet/in.h>#include <sys/re...
struct sockaddr_in server; /* server address */ int s; /* client socket */ /* * Check Arguments Passed. Should be hostname and port. */ if (argc != 3) { fprintf(stderr, "Usage: %s hostname port\n", argv[0]); exit(1); ...
struct sockaddr_in addr_client; int len_addr_client = sizeof(addr_client); int fd_client = accept(fd_server, (struct sockaddr*) &addr_client, &len_addr_client); if( - 1 == fd_client) { printf("%s\n", strerror(errno));
virtually all client-server projects using sockets in c. this edition has been expanded to include new advancements such as support for ipv6 as well as detailed defensive programming strategies. if you program using java, be sure to check out this book’s companion, tcp/ip sockets in java: ...