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client.c
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#include <stdio.h>
#include <string.h> /* strlen */
#include <strings.h>
#include <sys/socket.h>
#include <arpa/inet.h> /* inet_addr */
#include <unistd.h> /* close */
int main(int argc, char *argv[])
{
int socket_desc;
struct sockaddr_in server;
char message[2000], server_reply[2000];
socket_desc = socket(AF_INET, SOCK_STREAM, 0);
if (socket_desc == -1)
{
printf("Não foi possível criar o socket\n");
return 1;
}
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_family = AF_INET;
server.sin_port = htons(8888);
if (connect(socket_desc, (struct sockaddr *) &server, sizeof(server)) < 0)
{
printf("Erro ao conectar-se\n");
return 1;
}
printf("Conectado.\n");
do {
bzero(message, sizeof(message));
printf("Digite uma mensagem: ");
int ch, n = 0;
while ((ch = getchar()) != '\n' && n < 2000) {
message[n] = ch;
++n;
}
if (send(socket_desc, message, strlen(message), 0) < 0)
{
printf("Erro ao enviar\n");
return 1;
}
printf("Dados enviados.\n");
if (recv(socket_desc, server_reply, 2000, 0) < 0)
{
printf("Falha no recv\n");
return 1;
}
printf("Resposta recebida.\n");
printf("%s\n", server_reply);
bzero(server_reply, sizeof(server_reply));
} while (strcmp(message, "exit") != 0);
close(socket_desc);
return 0;
}