Função shutdown() encerrando servidor [RESOLVIDO]

removido
(usa Nenhuma)

Enviado em 19/06/2021 - 22:56h

int shutdown(int sockfd, int how); 

#include <stdio.h>

#include <errno.h>

#include <string.h>

#include <stdlib.h>



#include <unistd.h>

#include <arpa/inet.h>

#include <sys/types.h>

#include <sys/socket.h>

#include <netinet/in.h>



#define PORT       9009

#define ADDR       "127.0.0.1"

#define MAXCONN    5



int main(void) {



        int sockfd;

        struct sockaddr_in addr;



        memset(&addr, 0, sizeof(addr));



        if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0 ) {



                fprintf(stderr, "socket() -> ERROR %d: %s\n", errno, strerror(errno));



                exit(EXIT_FAILURE);

        }



        addr.sin_family = AF_INET;

        addr.sin_port = htons(PORT);

        inet_pton(AF_INET, ADDR, &addr.sin_addr.s_addr);



        if (bind(sockfd, (struct sockaddr*)&addr, sizeof(addr)) < 0 ) {



                fprintf(stderr, "bind() -> ERROR %d: %s\n", errno, strerror(errno));



                close(sockfd);



                exit(EXIT_FAILURE);

        }



        if (listen(sockfd, SOMAXCONN) < 0 ) {



                fprintf(stderr, "listen() -> ERROR %d: %s\n", errno, strerror(errno));



                close(sockfd);



                exit(EXIT_FAILURE);

        }



        for (size_t i = 0; i < MAXCONN; i++) {



                struct sockaddr_in client;

                socklen_t size;

                char caddr[INET_ADDRSTRLEN];

                int new_sockfd;



                memset(&client, 0, sizeof(client));



                if ((new_sockfd = accept(sockfd, (struct sockaddr*)&client, &size)) < 0 ) {



                        fprintf(stderr, "accept() -> ERROR %d: %s\n", errno, strerror(errno));



                } else {



                        if (inet_ntop(client.sin_family, &client.sin_addr.s_addr, caddr, sizeof(caddr)) == NULL ) {



                                fprintf(stderr, "inet_ntop -> ERROR %d: %s\n", errno, strerror(errno));



                        } else {



                                printf("%s\n", caddr);

                        }



                        const char msg[] = "What's up, _Bitch. Names John. You here to help me?\n";



                        shutdown(new_sockfd, SHUT_WR); //Usando new_sockfd o programa para, já o mesmo não acontece com o descritor sockfd



                        if (write(new_sockfd, msg, sizeof(msg)) < 0 ) {



                                fprintf(stderr, "write() -> ERROR %d: %s\n", errno, strerror(errno));

                        }



                        close(new_sockfd);

                }

        }



        close(sockfd);



        return EXIT_SUCCESS;

}