IoContext* ChatClient::CreateSendPack_HeartBeat(SocketContext* socketCtx) { ChatClient* chatClient = (ChatClient*)(socketCtx->serverCtx); IoContext* ioCtx = socketCtx->GetNewIoContext(chatClient->GetPackHeadLength()); chatClient->CreatePackAddr(ioCtx, PACK_HEARTBEAT, 0); return ioCtx; }