sirboderafael

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>

int main()
{
    int sock;
    int addr_len, bytes_read;
    char recv_data[1024];
    struct sockaddr_in server_addr , client_addr;

    if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
        perror("Erro: Socket");
        exit(1);
    }

    server_addr.sin_family = AF_INET;
    server_addr.sin_port = htons(25000);
    server_addr.sin_addr.s_addr = INADDR_ANY;
    bzero(&(server_addr.sin_zero),8);

    if (bind(sock,(struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1) {
        perror("Erro: Bind");
        exit(1);
    }

    addr_len = sizeof(struct sockaddr);

    printf("\n/*Servidor UDP esperando por clientes na porta 25000...*/");
    fflush(stdout);

    while (1) {

        bytes_read = recvfrom(
            sock,
            recv_data,
            1024,
            0,
            (struct sockaddr *)&client_addr,
            &addr_len
        );

        recv_data[bytes_read] = '\0';

        printf(
            "\n%s : %d : %s",
            inet_ntoa(client_addr.sin_addr),
            ntohs(client_addr.sin_port),
            recv_data
        );

        fflush(stdout);
    }

    return 0;
}