67 lines
1.1 KiB
C
67 lines
1.1 KiB
C
#include "tcpdserver.h"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#define BUF_SIZE 1024
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#define PORT 6000
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void write_message(int sock, const char *buffer)
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{
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if(send(sock, buffer, strlen(buffer), 0) < 0)
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{
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perror("send()");
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exit(errno);
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}
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}
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int read_message(int sock, char *buffer)
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{
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int n = 0;
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if((n = recv(sock, buffer, BUF_SIZE - 1, 0)) < 0)
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{
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perror("recv()");
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/* if recv error we disonnect the client */
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n = 0;
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}
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buffer[n] = 0;
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return n;
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}
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int main(int argc, char ** argv) {
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int sock = socket(AF_INET, SOCK_STREAM, 0);
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if(sock == -1)
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{
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perror("socket()");
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exit(errno);
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}
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struct sockaddr_in sin = {0};
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sin.sin_addr.s_addr = inet_addr("127.0.0.1");
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sin.sin_port = htons(PORT); /* on utilise htons pour le port */
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sin.sin_family = AF_INET;
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if(connect(sock,(struct sockaddr *) &sin, sizeof(struct sockaddr)) == -1)
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{
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perror("connect()");
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exit(errno);
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}
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write_message(sock, "pongd 5");
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close(sock);
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return 0;
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}
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