提高稳定性

client.py

@@ -0,0 +1,125 @@
+import threading
+import uuid
+
+from utils import *
+
+client_token = f"client_{uuid.uuid4().hex[:8]}"
+my_charactor = "client"
+client_name = 'awin_client'
+
+server_name = 'awin_server'
+service_name = 'alist'
+
+co_server = 'www.awin-x.top'
+co_port = 5000
+
+co_server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+co_server_sock.connect((co_server, co_port))
+
+listen_port = 12345
+listen_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+listen_sock.bind(('0.0.0.0', listen_port))
+listen_sock.listen(5)
+
+udp_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+udp_sock.bind(('0.0.0.0', 0))
+tcp_port = udp_sock.getsockname()[1]
+
+server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
+conns = {}
+
+
+def client_thread(conn_id):
+    client_sock = conns[conn_id]['client_sock']
+    while True:
+        data = client_sock.recv(4096)
+        send_data_tcp(server_sock, data, {'conn_id': conn_id})
+
+
+def tcp_accept_thread():
+    while True:
+        client_sock, client_addr = listen_sock.accept()
+        conn_id = f"conn_{uuid.uuid4().hex[:8]}"
+        conns[conn_id] = {
+            'client_sock': client_sock,
+            'client_addr': client_addr,
+            'ready': False
+        }
+        send_action_tcp(server_sock, 'connect_service', {
+            'service': service_name,
+            'conn_id': conn_id,
+            'client_addr': client_addr,
+            'client_name': client_name
+        })
+        count = 0
+        while not conns[conn_id]['ready']:
+            if count > 50:
+                send_action_tcp(server_sock, 'disconnect_service', {
+                    'conn_id': conn_id
+                })
+                break
+            time.sleep(0.1)
+        threading.Thread(target=client_thread, args=conn_id).start()
+
+
+def handle_data(conn_id, data):
+    conns[conn_id]['client_sock'].sendall(data)
+
+
+def server_thread():
+    global client_name, client_token
+    send_action_tcp(server_sock, 'client_hello', {
+        'client_name': client_name,
+        'client_token': client_token
+    })
+    while True:
+        action, message, data = recv_tcp(server_sock)
+        if action == 'error':
+            print(message['message'])
+        elif action == 'data':
+            handle_data(message['conn_id'], data)
+        elif action == 'bye':
+            break
+    server_sock.close()
+    print("bye, from server")
+    exit()
+
+
+def main():
+    send_action_tcp(co_server_sock, 'client_hello', {
+        'name': client_name,
+        'token': client_token,
+        'charactor': my_charactor,
+    })
+    send_action_tcp(co_server_sock, 'punch_request', {
+        'server_name': 'awin_server'
+    })
+    action, message, data = recv_tcp(co_server_sock)
+    if action == 'punch_request':
+        co_server_punch_port = message['co_server_punch_port']
+    else:
+        print('punch request failed')
+        return
+    print(f'暴露端口：{tcp_port}->{(co_server, co_server_punch_port)}')
+    packed = pack_data(action='client_punch_port')
+    for i in range(5):
+        udp_sock.sendto(packed, (co_server, co_server_punch_port))
+        time.sleep(0.1)
+    action, message, data = recv_tcp(co_server_sock)
+    if action == 'punch_to':
+        target_addr = tuple(message['target_addr'])
+        print(f'打洞到{target_addr}')
+        udp_sock.close()
+        server_sock.bind(('0.0.0.0', tcp_port))
+        server_sock.connect(target_addr)
+        threading.Thread(target=server_thread, daemon=True).start()
+    else:
+        print(action)
+        print('punch to failed')
+        return
+
+
+if __name__ == '__main__':
+    main()

co_server.py

@@ -0,0 +1,151 @@
+import socket
+import threading
+import uuid
+
+from utils import *
+
+co_server_port = 5000
+tcp_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+tcp_sock.bind(('0.0.0.0', co_server_port))
+tcp_sock.listen(5)
+
+servers = {}
+
+clients = {}
+
+co_server_token = f"co_server_{uuid.uuid4().hex[:8]}"
+my_charactor = 'co_server'
+
+
+def handle_punch_request(client_name, server_name):
+    client = clients[client_name]
+    server = servers[server_name]
+    udp_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    udp_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    udp_sock.bind(('0.0.0.0', 5002))
+    udp_sock.settimeout(20)
+    co_server_punch_port = udp_sock.getsockname()[1]
+    print(f'向客户端和服务端发起端口暴露请求到{co_server_punch_port}')
+    send_action_tcp(server['sock'], 'punch_request', {
+        'co_server_punch_port': co_server_punch_port
+    })
+    send_action_tcp(client['sock'], 'punch_request', {
+        'co_server_punch_port': co_server_punch_port
+    })
+    client_punch_port = 0
+    server_punch_port = 0
+    count = 0
+    while client_punch_port == 0 or server_punch_port == 0:
+        action, message, data, addr = recv_udp(udp_sock)
+        if action == 'server_punch_port':
+            print(f'获取到服务端打洞端口{addr[1]}')
+            server_punch_port = addr[1]
+        if action == 'client_punch_port':
+            print(f'获取到客户端打洞端口{addr[1]}')
+            client_punch_port = addr[1]
+        time.sleep(0.1)
+        count += 1
+    udp_sock.close()
+    print('发送打洞请求')
+    send_action_tcp(client['sock'], 'punch_to', {
+        'server_name': server_name,
+        'server_token': server['token'],
+        'target_addr': (server['addr'][0], server_punch_port)
+    })
+    send_action_tcp(server['sock'], 'punch_to', {
+        'client_name': client_name,
+        'client_token': client['token'],
+        'target_addr': (client['addr'][0], client_punch_port)
+    })
+
+
+def handle_server(sock, addr, server_info):
+    server_name = server_info['name']
+    server_token = server_info['token']
+    if server_name in servers:
+        send_action_tcp(sock, 'bye', 'server already exists')
+        return
+    send_action_tcp(sock, 'co_server_hello', {
+        'charactor': my_charactor,
+        'token': co_server_token,
+    })
+    servers[server_name] = {
+        'sock': sock,
+        'addr': addr,
+        'name': server_name,
+        'token': server_token,
+    }
+    while True:
+        try:
+            action, message, data = recv_tcp(sock)
+            if action == 'ping':
+                send_action_tcp(sock, 'pong')
+            else:
+                send_action_tcp(sock, 'bye', 'unknown action')
+                break
+        except Exception as e:
+            print(e)
+            send_action_tcp(sock, 'bye', f'error: {e}')
+            break
+    sock.close()
+    del servers[server_name]
+
+
+def handle_client(sock, addr, client_info):
+    client_name = client_info['name']
+    client_token = client_info['token']
+    clients[client_name] = {
+        'sock': sock,
+        'addr': addr,
+        'token': client_token,
+    }
+    while True:
+        try:
+            action, message, data = recv_tcp(sock)
+            if action == 'ping':
+                send_action_tcp(sock, 'pong')
+            elif action == 'punch_request':
+                server_name = message['server_name']
+                if server_name in servers:
+                    handle_punch_request(client_name, server_name)
+                else:
+                    send_action_tcp(sock, 'error', f"服务器不存在: {server_name}")
+                    break
+        except Exception as e:
+            print(e)
+            send_action_tcp(sock, 'bye', f'error: {e}')
+            break
+    sock.close()
+    del clients[client_name]
+
+
+def handle_connect(sock, addr):
+    try:
+        action, message, data = recv_tcp(sock)
+    except Exception as e:
+        print(e)
+        send_action_tcp(sock, 'error', f"无法解析数据")
+        return
+    if action == 'server_hello':
+        handle_server(sock, addr, message)
+    elif action == 'client_hello':
+        handle_client(sock, addr, message)
+    else:
+        print(f"未知连接：{addr} -> {action}")
+        sock.close()
+
+
+def main():
+    print(f"{my_charactor} 启动")
+    while True:
+        conn, addr = tcp_sock.accept()
+        print(f"{my_charactor} 收到来自 {addr} 的连接")
+        threading.Thread(
+            target=handle_connect,
+            args=(conn, addr),
+            daemon=True
+        ).start()
+
+
+if __name__ == '__main__':
+    main()

server1.py

@@ -0,0 +1,190 @@
+import threading
+import uuid
+
+from utils import *
+
+services = {
+    'ssh': 22,
+    'alist': 5244,
+    'minecraft': 25565
+}
+server_name = 'awin_server'
+co_server = 'www.awin-x.top'
+co_port = 5000
+
+server_token = f"server_{uuid.uuid4().hex[:8]}"
+my_charactor = 'server'
+
+co_server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+co_server_sock.connect((co_server, co_port))
+
+udp_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+udp_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+udp_sock.bind(('0.0.0.0', 0))
+listen_port = udp_sock.getsockname()[1]
+
+tcp_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+tcp_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+tcp_sock.bind(('0.0.0.0', listen_port))
+tcp_sock.listen(5)
+print(f"监听端口: {listen_port}")
+
+conns = {}
+
+clients = {}
+
+
+def heart_beat_thread():
+    heart_beat_pack = pack_data('ping')
+    while True:
+        print('ping 到 co_server')
+        send_pack_tcp(co_server_sock, heart_beat_pack)
+        time.sleep(10)
+
+
+def handle_punch_to(message):
+    client_name = message['client_name']
+    client_token = message['client_token']
+    target_addr = tuple(message['target_addr'])
+    clients[client_name] = {
+        'client_token': client_token,
+        'addr': target_addr,
+    }
+    print(f'打洞到{target_addr}')
+    for i in range(100):
+        send_action_udp(udp_sock, target_addr, 'punch')
+        time.sleep(0.01)
+
+
+def handle_punch_request(message):
+    co_server_punch_port = message['co_server_punch_port']
+    print(f'暴露端口：{listen_port}->{(co_server, co_server_punch_port)}')
+    for i in range(5):
+        send_action_udp(udp_sock, (co_server, co_server_punch_port), 'server_punch_port')
+        time.sleep(0.1)
+
+
+def handle_bye(sock):
+    print(f"收到来自 {sock.getpeername()} 的断开连接请求")
+    try:
+        send_action_tcp(sock, 'bye', 'bye from server')
+        sock.close()
+    except Exception as e:
+        print(e)
+
+
+def handle_data(conn_id, data):
+    conns[conn_id]['conn_sock'].sendall(data)
+
+
+def forward_data_thread(conn_id):
+    conn = conns[conn_id]
+    while conn_id in conns:
+        data = conn['conn_sock'].recv(4096)
+        try:
+            send_data_tcp(conn['client_sock'], data, {'conn_id': conn_id})
+        except Exception as e:
+            print(e[:10]+"->service connection breaks")
+            break
+
+
+def handle_connect_service(message):
+    service = message['service']
+    service_port = services[service]
+    client_name = message['client_name']
+    conn_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    conn_sock.connect(('127.0.0.1', service_port))
+    conn_id = message['conn_id']
+    conns[conn_id] = {
+        'conn_sock': conn_sock,
+        'client_name': client_name,
+        'service': service
+    }
+    threading.Thread(target=forward_data_thread, args=conn_id,  daemon=True).start()
+
+
+def handle_disconnect_service(message):
+    conn_id = message['conn_id']
+    if conn_id in conns:
+        conn_sock = conns[conn_id]['conn_sock']
+        conn_sock.close()
+        del conns[conn_id]
+
+
+def client_thread(client_sock, client_addr):
+    while True:
+        action, message, data = recv_tcp(client_sock)
+        if action == 'data':
+            handle_data(message['conn_id'], data)
+        elif action == 'bye':
+            handle_bye(client_sock)
+            break
+        elif action == 'connect_service':
+            handle_connect_service(message)
+        elif action == 'disconnect_service':
+            handle_disconnect_service(message)
+        else:
+            send_action_tcp(client_sock, 'error', f"未知操作: {action}")
+
+
+def tcp_accept_thread():
+    while True:
+        sock, addr = tcp_sock.accept()
+        print(f"收到来自 {addr} 的连接")
+        action, message, data = recv_tcp(sock)
+        if action == 'client_hello':
+            client_name = message['client_name']
+            client_token = message['client_token']
+            if client_name in clients:
+                if clients[client_name]['client_token'] == client_token:
+                    if 'sock' in clients[client_name]:
+                        send_action_tcp(sock, 'error', f"{client_name} 已存在")
+                        print(f"{client_name} 已存在")
+                    else:
+                        clients[client_name]['sock'] = sock
+                        clients[client_name]['addr'] = addr
+                        send_action_tcp(sock, 'success', f"{client_name} 已连接")
+                        threading.Thread(target=client_thread, args=(sock, addr)).start()
+                        print(f"{client_name} 已连接")
+                else:
+                    print(f'{addr},token 错误')
+            else:
+                print(f'{addr},未注册')
+        else:
+            print(f'{addr},未知操作')
+            sock.close()
+
+
+def main():
+    send_action_tcp(co_server_sock, 'server_hello', {
+        'name': server_name,
+        'token': server_token,
+        'charactor': my_charactor
+    })
+    action, message, data = recv_tcp(co_server_sock)
+    if action == 'co_server_hello':
+        co_server_token = message['token']
+    else:
+        print(f"连接到协服务器失败{message['message']}")
+        return
+
+    threading.Thread(target=heart_beat_thread, daemon=True).start()
+
+    while True:
+        action, message, data = recv_tcp(co_server_sock)
+        if action == 'punch_to':
+            handle_punch_to(message)
+        elif action == 'punch_request':
+            handle_punch_request(message)
+        elif action == 'pong':
+            print('pong 来自 co_server')
+        # elif action == 'data':
+        #     handle_data(co_server_sock, co_server_addr, message, data)
+        elif action == 'bye':
+            handle_bye(co_server_sock)
+        else:
+            print(f'收到来自co_server的未知消息{action}')
+
+
+if __name__ == '__main__':
+    main()

utils.py

@@ -0,0 +1,104 @@
+import json
+import socket
+import struct
+import time
+
+
+def pack_data(action, message=None, data=None):
+    if data is None:
+        data = b''
+    if message is None:
+        message = {}
+    # 将字符串编码为UTF-8字节串
+    action_bytes = action.encode('utf-8')
+    message_bytes = json.dumps(message).encode('utf-8')
+    # 使用大端序打包长度信息(4字节无符号整数)
+    # >I: 大端序无符号整型(4字节)
+    packed = struct.pack('>I', len(action_bytes))
+    packed += action_bytes
+    packed += struct.pack('>I', len(message_bytes))
+    packed += message_bytes
+    packed += data  # 直接附加二进制数据
+    return packed
+
+
+def unpack_data(packed):
+    # 解析action长度(前4字节)
+    action_len = struct.unpack('>I', packed[:4])[0]
+    offset = 4
+    # 提取action字节并解码
+    action_bytes = packed[offset:offset + action_len]
+    action = action_bytes.decode('utf-8')
+    offset += action_len
+    # 解析message长度(接下来的4字节)
+    message_len = struct.unpack('>I', packed[offset:offset + 4])[0]
+    offset += 4
+    # 提取message字节并解码
+    message_bytes = packed[offset:offset + message_len]
+    message = json.loads(message_bytes.decode('utf-8'))
+    offset += message_len
+    # 剩余部分是原始二进制数据
+    data = packed[offset:]
+    return action, message, data
+
+
+def send_pack_tcp(sock, pack):
+    sock.sendall(pack)
+
+
+def send_tcp(sock, action, data, message):
+    packed = pack_data(action, message, data)
+    sock.sendall(packed)
+
+
+def send_udp(sock, action, data, message, addr):
+    if isinstance(sock, int):
+        sock_ = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        sock_.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        sock_.bind(('0.0.0.0', sock))
+    else:
+        sock_ = sock
+    packed = pack_data(action, message, data)
+    sock_.sendto(packed, addr)
+    if isinstance(sock, int):
+        sock_.close()
+
+
+def send_data_udp(sock, addr, data, message=None):
+    send_udp(sock, 'data', data, message, addr)
+
+
+def send_data_tcp(sock, data, message=None):
+    send_tcp(sock, 'data', data, message)
+
+
+def send_action_udp(sock, addr, action, message=None):
+    if isinstance(message, str):
+        message = {'message': message}
+    elif isinstance(message, dict):
+        message['timestamp'] = int(time.time())
+    else:
+        try:
+            str_message = str(message)
+            message = {'message': str_message}
+        except Exception as e:
+            print(f'无法将数据转换为字符串: {e}')
+    send_udp(sock, action, None, message, addr)
+
+
+def send_action_tcp(sock, action, message=None):
+    if isinstance(message, str):
+        message = {'message': message}
+    send_tcp(sock, action, None, message)
+
+
+def recv_tcp(sock):
+    pack = sock.recv(4096)
+    action, message, data = unpack_data(pack)
+    return action, message, data
+
+
+def recv_udp(sock):
+    pack, addr = sock.recvfrom(4096)
+    action, message, data = unpack_data(pack)
+    return action, message, data, addr