2019-10-31 11:17:48 +01:00
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#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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2019-11-01 18:34:46 +01:00
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//Połączenia z wieloma klientami
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void ObsluzPolaczenie(int gn)
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{
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2019-11-05 18:54:11 +01:00
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2019-11-01 18:34:46 +01:00
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/*
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char Msg[1024];
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char Sciezka[1024];
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while (1) {
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//recv() <- czeka na wiadomość
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2019-11-02 23:04:47 +01:00
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FD_ZERO(&readfds);
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FD_SET(gniazdoTCP, &readfds);
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timeout.tv_sec = 1;
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timeout.tv_usec = 0;
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gniazdo_src = socket();
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int gniazdo_kli;
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if (select(gniazdo+1, &readfds, NULL, NULL, &timeout) > 0)
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{
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gniazdo_kli = accept(gniazdo_src, (struct sockaddr*) adres, &dladr);
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}
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2019-11-01 18:34:46 +01:00
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memset(Msg, 0, 1024);
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recv(Gniazdo_Klient, Msg, 1024, 0);
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//Porównywanie wiadomości
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2019-11-02 23:04:47 +01:00
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If (Msg == "wyślij") {
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2019-11-01 18:34:46 +01:00
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} else (Msg = "pobierz") {
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} else (Msg == "exit") {
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close(Gniazdo_Klient);
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close(Gniazdo_Server);
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} else {
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//wyślij do wszystkich wiadomość
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//(opconalne)nadpisz plik z historią rozmów - plik tekstowy
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for(each gniazdo in readfs [select]){
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send(gniazdo,wiadomość, );
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}
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}
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}
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*/
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}
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//Main Server
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2019-11-05 18:54:11 +01:00
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/*
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struct client_socket
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{
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int socket;
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struct sockaddr_in address;
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};
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2019-11-01 18:34:46 +01:00
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2019-11-05 18:54:11 +01:00
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*/
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2019-10-31 11:17:48 +01:00
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int main(void) {
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char bufor[1024]; //wiadomosc
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int gniazdo, gniazdo2;
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struct sockaddr_in adr, nadawca;
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socklen_t dl = sizeof(struct sockaddr_in);
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gniazdo = socket(PF_INET, SOCK_STREAM, 0);
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adr.sin_family = AF_INET;
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adr.sin_port = htons(44444); //port
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adr.sin_addr.s_addr = INADDR_ANY;
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printf("Slucham na %s:%d\n", inet_ntoa(adr.sin_addr), ntohs(adr.sin_port));
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if (bind(gniazdo, (struct sockaddr*) &adr, sizeof(adr)) < 0) { //bind
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printf("Bind nie powiodl sie.\n");
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return 1;
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}
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if (listen(gniazdo, 10) < 0) { //listen
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printf("Listen nie powiodl sie.\n");
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return 1;
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}
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printf("Czekam na polaczenie ...\n");
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while ((gniazdo2 = accept(gniazdo, (struct sockaddr*) &nadawca, &dl)) > 0) { //odbieranie
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memset(bufor, 0, 1024);
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recv(gniazdo2, bufor, 1024, 0);
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printf("Wiadomosc od %s: %s\n", inet_ntoa(nadawca.sin_addr), bufor);
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close(gniazdo2);
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}
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2019-11-05 18:54:11 +01:00
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/*
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struct sockaddr_in adr_bind;
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struct sockaddr_in adr_accept;
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int socket_bind, socket_accept;
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char msg[1024];
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pid_t child_id;
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int socket_client[5];
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socket_client client;
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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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for(i = 0; i < 4; i++)
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{
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clients[i].socket = 0;
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}
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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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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*) &adr_bind, sizeof(adr_bind)) < 0) { //bind
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printf("Error: Bind\n");
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return 1;
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}
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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("Czekam na polaczenie ...\n");
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while (1) {
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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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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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if(select(max_fd+1, &Clients, NULL, NULL, NULL) < 0) {
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ERROR
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}
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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*) &adr_bind, &dl));
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break;
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} else {
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printf("Server Pełen");
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}
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}
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}
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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(clients[i].socket, &Clients))
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{
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recv(clients[i].socket, &msg, 1024, 0);
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if (msg == "EXIT") {
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} else if (msg == "DOWNLOAD") {
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} else if (msg == "SEND"){
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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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}
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}
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}
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}
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*/
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2019-11-01 18:34:46 +01:00
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//Połączenie z wieloma Klientami
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/*
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2019-11-02 23:04:47 +01:00
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struct sockaddr_in adr_serv;
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int gt, port;
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printf("Numer portu: ");
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scanf("%d", &port);
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gt = socket(PF_INET, SOCK_STREAM, 0);
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adr_serv.sin_family = AF_INET;
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adr_serv.sin_port = htons(port);
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adr_serv.sin_addr.s_addr = INADDR_ANY;
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if (bind(gt,(struct sockaddr*) &adr_serv,
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sizeof(struct sockaddr_in)) < 0)
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{
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printf("Bind nie powiodl sie.\n");
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return 1;
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}
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if (listen(gt, 10) < 0)
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{
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printf("Listen nie powiodl sie.\n");
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return 1;
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}
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ObsluzObaProtokoly(gt, &adr_serv);
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fd_set readfds;
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struct timeval timeout;
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unsigned long proba;
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proba = 0;
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while(1)
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{
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FD_ZERO(&readfds);
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FD_SET(gniazdoTCP, &readfds);
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timeout.tv_sec = 1;
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timeout.tv_usec = 0;
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if (select(gniazdoTCP+1, &readfds, NULL, NULL, &timeout) > 0)
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{
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proba = 0;
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if (FD_ISSET(gniazdoTCP, &readfds))
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ObsluzTCP(gniazdoTCP, adres);
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int nowe_gniazdo;
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char bufor[1024];
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socklen_t dladr = sizeof(struct sockaddr_in);
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nowe_gniazdo =
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accept(gniazdo, (struct sockaddr*) adres,
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&dladr);
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if (nowe_gniazdo < 0)
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{
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printf("Bledne polaczenie (accept < 0)\n");
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return;
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}
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memset(bufor, 0, 1024);
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while (recv(nowe_gniazdo, bufor, 1024, 0) <= 0);
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DrukujNadawce(adres);
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printf("[TCP]: %s\n", bufor);
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close(nowe_gniazdo);
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}
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else
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{
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proba++;
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printf("Czekam %lu sekund i nic ...\n", proba);
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}
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}
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return 0;
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2019-11-01 18:34:46 +01:00
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*/
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//Polączenie z wieloma klientami
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2019-10-31 11:17:48 +01:00
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close(gniazdo);
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return 0;
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}
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