src/main.c: include "telnet.h"

1 files changed, 1 insertions, 86 deletions

diff --git a/src/main.c b/src/main.c
index 137d954..4fb15c5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,89 +1,4 @@
-#include <netinet/in.h>
-#include <poll.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <unistd.h>
-
-struct client {
-  char nickname[32];
-  int has_nickname;
-};
-
-// returns a socket file descriptor.
-// if connection could not be established, -1 gets returned
-int establish_connection(struct sockaddr_in addr) {
-  int sfd = socket(AF_INET, SOCK_STREAM, 0);
-  if (sfd == -1) {
-    return -1;
-  }
-  int opt = -1;
-  setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
-  int bind_addr = bind(sfd, (struct sockaddr *)&addr, sizeof(addr));
-  if (bind_addr == -1) {
-    close(sfd);
-    return -1;
-  }
-  int listen_addr = listen(sfd, 100);
-  if (listen_addr == -1) {
-    close(sfd);
-    return -1;
-  }
-  return sfd;
-}
-
-// handles new telnet connections.
-// returns 0 on success and -1 on failure.
-int handle_new_connection(int sfd, struct pollfd *fds, nfds_t *nfds,
-                          struct client *clients) {
-  int conn = accept(sfd, NULL, NULL);
-  if (conn == -1)
-    return -1;
-  fds[*nfds].fd = conn;
-  fds[*nfds].events = POLLIN;
-  clients[*nfds].has_nickname = 0;
-  char *message = "Enter your nickname:\n";
-  write(fds[*nfds].fd, message, strlen(message));
-  (*nfds)++;
-  return 0;
-}
-
-// process message to all the connected clients.
-// returns 0 on success and -1 on failure.
-// TODO: add struct client *clients
-int process_message(struct pollfd *fds, nfds_t *nfds, struct client *clients) {
-  for (nfds_t i = 1; i < *nfds; i++) {
-    /* if client has something to say */
-    if (fds[i].revents & POLLIN) {
-      char buffer[1024]; /* create a new empty buffer */
-      ssize_t message =
-          read(fds[i].fd, buffer,
-               sizeof(buffer)); /* read the message which the client sent */
-      if (message == 0) {
-        /* close the connection if client disappeared or disconnected */
-        close(fds[i].fd);
-        fds[i] = fds[*nfds - 1]; /* move back last slot */
-        (*nfds)--;               /* size down the current array */
-        i--;
-      } else if (message == -1) {
-        /* if message of the client returns an error */
-        close(fds[i].fd);
-        fds[i] = fds[*nfds - 1]; /* move back last slot */
-        (*nfds)--;               /* size down the current array */
-        i--;
-        return -1;
-      } else {
-        /* send every message bytes to the other clients */
-        for (nfds_t j = 1; j < *nfds; j++) {
-          if (j != i) {
-            write(fds[j].fd, buffer, message);
-          }
-        }
-      }
-    }
-  }
-  return 0;
-}
+#include "telnet.h"
 
 int main() {
   struct sockaddr_in addr;