forked from s444341/Projekt_SIK
149 lines
4.1 KiB
C
149 lines
4.1 KiB
C
#include <sys/types.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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struct client_socket
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{
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int socket;
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struct sockaddr_in accept_adr;
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};
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int main(void) {
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struct sockaddr_in bind_adr;
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int socket_bind;
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char msg[1024];
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client_socket client[7];
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fd_set Clients;
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struct sockaddr_in nadawca;
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socklen_t dl = sizeof(struct sockaddr_in);
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int i;
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int j;
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char ff;
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//Inicjalizacja Tablicy Klientów
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for(i=0; i<=4; i++)
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{
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client[i].socket = 0;
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}
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//INICJALIZACJA SERWERA
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//Bind
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socket_bind = socket(AF_INET, SOCK_STREAM, 0);
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if(socket_bind < 0) {
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printf("Error: Socket\n");
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return 1;
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}
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//Adres
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adr_bind.sin_family = AF_INET;
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adr_bind.sin_port = htons(44444);
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adr_bind.sin_addr.s_addr = INADDR_ANY;
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if (bind(socket_bind, (struct sockaddr*) &bind_adr, sizeof(bind_adr)) < 0)
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{
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printf("Error: Bind\n");
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return 1;
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}
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//Listen
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if (listen(socket_bind, 10) < 0) { //listen
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printf("Error: Listen\n");
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return 1;
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}
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//printf("Inicjalizacja Zakończona\n");
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//NASŁUCHIWANIE KLIENTÓW
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while (1) {
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scanf("%c", &ff);
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printf("\n");
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if(ff == 'e') {
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return 0;
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}
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//Aktualizacja deskryptorów
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max_fd = 0;
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FD_ZERO(Clients);
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FD_SET(socket_bind, Clients);
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//Dodanie deskryptorów Klientów
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for(i =0; i<=4; i++){
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if (client[i].socket > 0) {
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FD_SET(client[i].socket, Clients);
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if(client[i].socket > max_fd) {
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max_fd = client[i].socket;
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}
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}
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}
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//Sprawdzenie Poprawności
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if(select(max_fd+1, &Clients, NULL, NULL, NULL) < 0) {
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printf("Error: Select\n");
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close(socket_bind);
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return 0;
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}
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//Dodanie Klienta
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if(FD_ISSET(socket_bind, &Clients)) {
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for(i=0;i<=4;i++){
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if (client[i].socket == 0){
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client[i].socket = accept(socket_bind, (struct sockaddr*) &client[i].address, &dl));
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break;
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} else {
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printf("Server Pełen\n");
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}
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}
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} else {
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printf("Error: Socket_bind nie jest w zbiorze deskryptorów");
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}
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//PRZETWARZANIE WIADOMOŚCI
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for(i = 0; i<=4; i++)
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{
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if(client[i].socket > 0 && FD_ISSET(client[i].socket, &Clients))
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{
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recv(client[i].socket, &msg, 1024, 0);
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//Co zrobić z wiadomością?
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if (msg == "/EXIT") {
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for(j=0;j<=4;j++) {
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if(i == j && client[j].socket != 0) {
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close(client[i].socket);
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client[i].socket = 0;
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printf("Ktoś wyszedł\n");
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}
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}
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} else if (msg == "/DOWNLOAD") {
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//fork, który dostanie adres i plik i będzie zajmował się ściąganiem
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if(fork()==0) {
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//send()
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}
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} else if (msg == "/SEND"){
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//fork, który dostanie adres i plik i będzie zajmował się wysyłaniem
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} else {
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for(j=0;j<=4;j++) {
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if(i != j && client[j].socket != 0) {
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send(client[i].socket, &msg, 1024, 0);
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}
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}
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} else if (msg == "/EXIT_M" || msg == "/EXIT_M\n"){
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for(j=0;j<=4;j++) {
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if(client[j].socket != 0) {
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close(client[i].socket);
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client[i].socket = 0;
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printf("User disconnected\n");
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}
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}
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printf("Koniec Serwera\n");
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return 0;
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}
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}
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}
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}
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} |