working server and gameloop

gameServer.c

@@ -0,0 +1,133 @@
+#include "game.h"
+#include <curses.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+void CreateGameServer(Server* serv, GameData* gd)
+{
+
+    Server s = *serv;
+
+    bool game_running = true;
+
+    fd_set fds;
+    FD_ZERO(&fds);
+    FD_SET(s.server_fd, &fds);
+
+    struct timeval tv = { 0, 0 }; // non-blocking check
+
+    SetupTermWin();
+
+    DrawWalls(*gd);
+
+    while (game_running) {
+
+        fd_set read_fds;
+        FD_ZERO(&read_fds);
+
+        // Add server socket
+        FD_SET(s.server_fd, &read_fds);
+        int max_fd = s.server_fd;
+
+        // Add client sockets
+        for (int i = 0; i < s.client_count; i++) {
+            int fd = s.clients[i];
+            FD_SET(fd, &read_fds);
+            if (fd > max_fd)
+                max_fd = fd;
+        }
+
+        // Small timeout (prevents 100% CPU usage)
+        struct timeval tv;
+        tv.tv_sec = 0;
+        tv.tv_usec = 1000; // 1ms
+
+        int ret = select(max_fd + 1, &read_fds, NULL, NULL, &tv);
+
+        if (ret < 0) {
+            perror("select");
+            break;
+        }
+
+        // New connection
+        if (FD_ISSET(s.server_fd, &read_fds)) {
+            int client_fd = accept(s.server_fd, NULL, NULL);
+            if (client_fd >= 0 && s.client_count < MAX_SERVER_CLIENTS) {
+                s.clients[s.client_count++] = client_fd;
+
+                char msg[64];
+                snprintf(msg, sizeof(msg), "New client connected: %d\n", client_fd);
+                GameAlert(msg);
+            }
+        }
+
+        // Handle client data
+        for (int i = 0; i < s.client_count; i++) {
+            int fd = s.clients[i];
+
+            if (FD_ISSET(fd, &read_fds)) {
+                char buffer[1024];
+                int bytes = recv(fd, buffer, sizeof(buffer) - 1, 0);
+
+                if (bytes > 0) {
+                    buffer[bytes] = '\0';
+
+                    char msg[1024];
+                    snprintf(msg, sizeof(msg), "Client %d says: %s\r", fd, buffer);
+                    GameAlert(msg);
+
+                    // Example: echo back
+                    send(fd, buffer, bytes, 0);
+                } else if (bytes == 0) {
+                    char msg[64];
+                    snprintf(msg, sizeof(msg), "Client %d disconnected\n", fd);
+                    GameAlert(msg);
+
+                    RemoveClient(&s, i);
+                    i--; // re-check swapped client
+                } else {
+                    perror("recv");
+                    RemoveClient(&s, i);
+                    i--;
+                }
+            }
+        }
+
+        if (s.client_count < 1) {
+            char msg[64];
+            snprintf(msg, sizeof(msg), "Waiting for other player\n");
+            GameAlert(msg);
+        } else {
+            // Process Game Data
+            
+        }
+    }
+
+    CloseTermWin();
+}
+
+void RunGameClient(Client* client)
+{
+    Client c = *client;
+
+    // char* msg = "Hello from client, this is a test, I really want to see what happens if I create a really long packet and try to send it.  I would imagine it will be some kind of buffer overflow";
+    // send(c.client_fd, msg, strlen(msg), 0);
+
+    // {
+    //     char buffer[1024] = { 0 };
+    //     read(c.client_fd, buffer, sizeof(buffer));
+    //     printf("Server: %s\n", buffer);
+    // }
+
+    sleep(10);
+    // char* msg2 = "Ok I am leaving now";
+    // send(c.client_fd, msg2, strlen(msg2), 0);
+    // {
+    //     char buffer[1024] = { 0 };
+    //     read(c.client_fd, buffer, sizeof(buffer));
+    //     printf("Server: %s\n", buffer);
+    // }
+}