All files

client.py

@@ -0,0 +1,96 @@
+import socket
+import sys
+import threading
+import json
+from datetime import datetime, timezone
+
+def listen_to_server(sock):
+    buffer = ""
+    try:
+        while True:
+            data = sock.recv(4096)
+            if not data:
+                print("🔌 Connection closed by server.")
+                break
+            buffer += data.decode()
+            while '\n' in buffer:
+                line, buffer = buffer.split('\n', 1)
+                try:
+                    msg = json.loads(line)
+                    ts = msg.get("timestamp", "?")
+                    sender = msg.get("sender", "?")
+                    content = msg.get("content", "")
+                    level = msg.get("level", "local")
+                    print(f"[Received @ {ts}] {sender} ({level}): {content}")
+                except json.JSONDecodeError:
+                    print("⚠Received invalid JSON.")
+    except Exception as e:
+        print("⚠Error receiving from server:", e)
+    finally:
+        sock.close()
+        print("Disconnected.")
+        sys.exit(0)
+
+if __name__ == "__main__":
+    if len(sys.argv) != 5:
+        print("Usage: python client.py <username> <region> <host> <port>")
+        sys.exit(1)
+
+    username = sys.argv[1]
+    region = sys.argv[2]
+    host = sys.argv[3]
+    port = int(sys.argv[4])
+
+    try:
+        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        sock.connect((host, port))
+    except ConnectionRefusedError:
+        print(f"Connection refused to {host}:{port}. Is the server running?")
+        sys.exit(1)
+    except Exception as e:
+        print(f"Connection error: {e}")
+        sys.exit(1)
+    
+    print(f"Connected to server {host}:{port} as {username}")
+    print("Type messages. Use `::level=local|national|global` (default: local)")
+    
+    threading.Thread(target=listen_to_server, args=(sock,), daemon=True).start()
+    
+    try:
+        while True:
+            line = input()
+            if "::level=" in line:
+                parts = line.split("::level=")
+                content = parts[0].strip()
+                level = parts[1].strip().lower()
+            else:
+                content = line.strip()
+                level = "local"
+            
+            if not content:
+                continue
+            
+            timestamp = datetime.now(timezone.utc).isoformat()
+            message = {
+                "id": f"{username}-{timestamp}",
+                "sender": username,
+                "content": content,
+                "level": level,
+                "timestamp": timestamp,
+                "region": region
+            }
+            
+            try:
+                sock.sendall((json.dumps(message) + "\n").encode())
+            except Exception:
+                print("Failed to send message. Disconnected?")
+                break
+    except KeyboardInterrupt:
+        print("\nClient closed.")
+    finally:
+        sock.close()
+        sys.exit(0)
+
+
+
+