距离上次学Python写的Python实现简单聊天室已经过去好久了,现在学c++又写了一遍,其实过程差不多,无非是语法的变化,目前仅实现最简单的一对一的通信,然后改就是了,接下来应该是多线程了,话不多说直接贴上源码;
一、服务端源码
#include <stdio.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
int main(){
int sfd = socket(AF_INET, SOCK_STREAM, 0);
if (sfd == -1){
perror("socket");
exit(-1);
}
struct sockaddr_in saddr;
saddr.sin_family = PF_INET;
saddr.sin_addr.s_addr = INADDR_ANY;
saddr.sin_port = htons(9999);
int ret = bind(sfd, (struct sockaddr *)&saddr, sizeof(saddr));
if (ret == -1){
perror("bind");
exit(-1);
}
ret = listen(sfd, 128);
if (ret == -1){
perror("listen");
exit(-1);
}
struct sockaddr_in client_addr;
socklen_t addrlen = sizeof(client_addr);
int newfd = accept(sfd, (struct sockaddr *)&client_addr, &addrlen);
if (newfd == -1){
perror("accept");
exit(-1);
}
char clientIP[16];
inet_ntop(AF_INET, &client_addr.sin_addr.s_addr, clientIP, sizeof(clientIP));
unsigned short clientPort = ntohs(client_addr.sin_port);
printf("client %s:%d is connect. \n", clientIP, clientPort);
char recvBuf[1024] = {0};
while(1){
memset(recvBuf, 0, sizeof(recvBuf));
int num = read(newfd, recvBuf, sizeof(recvBuf));
if (num == -1){
perror("read");
exit(-1);
} else if (num > 0){
printf("client message : %s\n", recvBuf);
} else if (num == 0){
printf("server close.");
break;
}
char respondData[] = "Your message is receive,thanks!";
write(newfd, respondData, sizeof(respondData));
}
close(sfd);
close(newfd);
return 0;
}
二、客户端源码
#include <stdio.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
int main() {
int fd = socket(AF_INET, SOCK_STREAM, 0);
if(fd == -1) {
perror("socket");
exit(-1);
}
struct sockaddr_in serveraddr;
serveraddr.sin_family = AF_INET;
inet_pton(AF_INET, "192.168.223.128", &serveraddr.sin_addr.s_addr);
serveraddr.sin_port = htons(9999);
int ret = connect(fd, (struct sockaddr *)&serveraddr, sizeof(serveraddr));
if(ret == -1) {
perror("connect");
exit(-1);
}
char recvBuf[1024] = {0};
char client_data[1024];
while(1) {
memset(client_data, 0, sizeof(client_data));
printf("请输入发送数据:");
scanf("%s", client_data);
write(fd, client_data, strlen(client_data));
sleep(1);
int ret = read(fd, recvBuf, sizeof(recvBuf));
if(ret == -1) {
perror("read");
exit(-1);
} else if(ret > 0) {
printf("server message : %s\n", recvBuf);
} else if(ret == 0) {
printf("server closed...\n");
break;
}
}
close(fd);
return 0;
}
三、效果
服务端:
客户端:
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