TCP通信-白红宇

TCP通信

阅读量：4582 次

发布时间：2019-06-09

本文共 2385 字，大约阅读时间需要 7 分钟。

/-------------------------------工具包--------------/#pragma once#include
     
      #include
      
       #include
       
        #include
        
         #include
         
          #define SERVER_IP   "127.0.0.1"#define SERVER_PORT 9090#define MAX_BUFFER_SIZE 255#define LISTEN_QUEUE_SIZE 5void Perror(char *str){    perror(str);    exit(1);}

#include"utili.h"int main(){    int sockSer = socket(AF_INET, SOCK_STREAM, 0);    if(sockSer == -1)        Perror("socket");    struct sockaddr_in addrSer, addrCli;    addrSer.sin_family = AF_INET;    addrSer.sin_port = htons(SERVER_PORT);    addrSer.sin_addr.s_addr = inet_addr(SERVER_IP);    socklen_t len = sizeof(struct sockaddr);    int res = bind(sockSer, (struct sockaddr*)&addrSer, len);    if(res == -1)        Perror("bind");    res = listen(sockSer, LISTEN_QUEUE_SIZE);    if(res == -1)        Perror("listen");    int sockConn;    sockConn = accept(sockSer, (struct sockaddr*)&addrCli, &len);    if(sockConn == -1)    {        printf("Server Accept Client Connect Fail.\n");        exit(1);    }    else    {        printf("Server Accept Client Connect OK.\n");    }    char sendbuf[MAX_BUFFER_SIZE];    char recvbuf[MAX_BUFFER_SIZE];    while(1)    {        printf("Ser:>");        scanf("%s",sendbuf);        send(sockConn, sendbuf, strlen(sendbuf)+1, 0);        recv(sockConn, recvbuf, MAX_BUFFER_SIZE, 0);        printf("Cli:>%s\n",recvbuf);    }    close(sockSer);    return 0;}

#include"utili.h"int main(){    int sockCli = socket(AF_INET, SOCK_STREAM, 0);    if(sockCli == -1)        Perror("socket");    struct sockaddr_in addrSer;    addrSer.sin_family = AF_INET;    addrSer.sin_port = htons(SERVER_PORT);    addrSer.sin_addr.s_addr = inet_addr(SERVER_IP);    socklen_t len = sizeof(struct sockaddr);    int res = connect(sockCli, (struct sockaddr*)&addrSer, len);    if(res == -1)    {        printf("Client Connect Server Fail.\n");        exit(1);    }    else    {        printf("Client Connect Server OK.\n");    }    char sendbuf[MAX_BUFFER_SIZE];    char recvbuf[MAX_BUFFER_SIZE];    while(1)    {        recv(sockCli, recvbuf, MAX_BUFFER_SIZE, 0);        printf("Ser:>%s\n",recvbuf);        printf("Cli:>");        scanf("%s",sendbuf);        send(sockCli, sendbuf, strlen(sendbuf)+1, 0);    }    close(sockCli);    return 0;}

转载于:https://www.cnblogs.com/51CC-YL/p/7360482.html

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