69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "TxTunnel.h"
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// loop condition
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sig_atomic_t loop_on = TRUE;
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void signal_handler(int sig){
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loop_on = FALSE;
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}
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int main(){
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int sockfd, n;
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unsigned int len;
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char buffer[MAX_MSG_SZ];
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struct sockaddr_in servaddr, direccion;
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// SIGNAL handler
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struct sigaction sa;
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sa.sa_handler = &signal_handler;
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sa.sa_flags = 0;
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sigemptyset(&sa.sa_mask);
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sigaction(SIGINT, &sa, NULL);
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sigaction(SIGQUIT, &sa, NULL);
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sigaction(SIGTERM, &sa, NULL);
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if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0 ) {
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perror("fallo creacion del socket");
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exit(EXIT_FAILURE);
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}
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memset(&servaddr, 0, sizeof(servaddr));
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memset(&direccion, 0, sizeof(direccion));
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direccion.sin_family = AF_INET;
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direccion.sin_port = htons(SERVER_PORT);
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direccion.sin_addr.s_addr = inet_addr(SERVER_IP);
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do{
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printf("Introduce el mssg: ");
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fgets(buffer, MAX_MSG_SZ, stdin);
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sendto(
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sockfd, (const char *) buffer, strlen(buffer), MSG_CONFIRM,
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(const struct sockaddr *)&direccion, sizeof(direccion)
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);
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len = sizeof(servaddr);
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n = recvfrom(
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sockfd, (char *) buffer, MAX_MSG_SZ, MSG_WAITALL,
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(struct sockaddr *) &servaddr, &len
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);
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buffer[n] = '\0';
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printf("ANS: \'%s\'\n", buffer);
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//buffer[0]='\0';
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}while(loop_on);
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}
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