66 【公会】基础主体-服务端（跨服聊天；）

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昨天 9d5ec7599f3abe0cebb76ce1df3c3b8c4e0aa51e

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#!/usr/bin/python
# -*- coding: GBK -*-
 
"""
¿Í»§¶Ë¹ÜÀíÆ÷
ÓÃÓÚ¹ÜÀí¿Í»§¶ËÁ¬½Ó״̬ºÍµÇ¼״̬
"""
 
import threading
from protocol import LOGIN_MAGIC_CODE
from packet_logger import packet_logger
 
# ¿Í»§¶Ë״̬¶¨Òå
CLIENT_STATUS_NOT_CONNECT = 0
CLIENT_STATUS_NOT_LOGIN = 1
CLIENT_STATUS_LOGIN = 2
 
 
class ClientsMgr:
    """¿Í»§¶Ë¹ÜÀíÆ÷µ¥ÀýÀà"""
 
    _instance = None
    _lock = threading.Lock()
 
    def __new__(cls):
        if cls._instance is None:
            with cls._lock:
                if cls._instance is None:
                    cls._instance = super(ClientsMgr, cls).__new__(cls)
                    cls._instance._initialized = False
        return cls._instance
 
    @classmethod
    def instance(cls):
        """»ñÈ¡µ¥ÀýʵÀý"""
        if cls._instance is None:
            cls._instance = cls()
        return cls._instance
 
    def __init__(self):
        if getattr(self, '_initialized', False):
            return
        self._initialized = True
 
        self.status_map = {}  # cid -> status
        self.server_id_map = {}  # cid -> server_id
        self.map_lock = threading.Lock()
 
    def set_client_status(self, cid, status):
        """ÉèÖÿͻ§¶Ë״̬"""
        with self.map_lock:
            self.status_map[cid] = status
 
    def get_client_status(self, cid):
        """»ñÈ¡¿Í»§¶Ë״̬"""
        with self.map_lock:
            return self.status_map.get(cid, CLIENT_STATUS_NOT_CONNECT)
 
    def set_client_server_id(self, cid, server_id):
        """ÉèÖÿͻ§¶Ë¶ÔÓ¦µÄServer ID"""
        with self.map_lock:
            self.server_id_map[cid] = server_id
 
    def get_client_server_id(self, cid):
        """»ñÈ¡¿Í»§¶Ë¶ÔÓ¦µÄServer ID"""
        with self.map_lock:
            return self.server_id_map.get(cid, 0)
 
    def del_client_cache(self, cid):
        """ɾ³ý¿Í»§¶Ë»º´æÊý¾Ý"""
        with self.map_lock:
            if cid in self.status_map:
                del self.status_map[cid]
            if cid in self.server_id_map:
                del self.server_id_map[cid]
 
    def on_client_disconnect(self, cid):
        """¿Í»§¶Ë¶Ï¿ªÁ¬½Óʱµ÷ÓÃ"""
        self.del_client_cache(cid)
 
    def get_logged_in_clients(self):
        """»ñÈ¡ËùÓÐÒѵǼµÄ¿Í»§¶ËIDÁбí"""
        with self.map_lock:
            return [cid for cid, status in self.status_map.items() if status == CLIENT_STATUS_LOGIN]
 
    def clear(self):
        """Çå¿ÕËùÓпͻ§¶ËÊý¾Ý"""
        with self.map_lock:
            self.status_map.clear()
            self.server_id_map.clear()
 
 
def handle_login(cid, packet):
    """´¦Àí¿Í»§¶ËµÇ¼ÇëÇó"""
    clients_mgr = ClientsMgr.instance()
 
    if packet.magic_code != LOGIN_MAGIC_CODE:
        packet_logger.log_text('Invalid magic code from client %d, expected 0x%08X, got 0x%08X' %
                              (cid, LOGIN_MAGIC_CODE, packet.magic_code), 'ERROR')
        return False
 
    clients_mgr.set_client_server_id(cid, packet.server_id)
    clients_mgr.set_client_status(cid, CLIENT_STATUS_LOGIN)
 
    packet_logger.log_text('Client %d logged in - Server: %d' % (cid, packet.server_id), 'INFO')
    return True
 
 
def handle_logout(cid, packet):
    """´¦Àí¿Í»§¶ËµÇ³öÇëÇó"""
    clients_mgr = ClientsMgr.instance()
    clients_mgr.on_client_disconnect(cid)
    packet_logger.log_text('Client %d logged out' % cid, 'INFO')
 
 
def handle_heartbeat(cid, packet):
    """´¦Àí¿Í»§¶ËÐÄÌø°ü"""
    clients_mgr = ClientsMgr.instance()
    status = clients_mgr.get_client_status(cid)
 
    if status == CLIENT_STATUS_LOGIN:
        # ÒѵǼ¿Í»§¶ËµÄÐÄÌø´¦Àí£¬¿ÉÒÔÀ©Õ¹
        pass
    else:
        # Î´µÇ¼¿Í»§¶ËµÄÐÄÌø´¦Àí£¬¿ÉÒÔÀ©Õ¹
        pass