| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #ifndef _TUBEMQ_CONNECTION_ |
| #define _TUBEMQ_CONNECTION_ |
| |
| #include <stdlib.h> |
| |
| #include <chrono> |
| #include <ctime> |
| #include <deque> |
| #include <exception> |
| #include <functional> |
| #include <iostream> |
| #include <sstream> |
| #include <string> |
| #include <unordered_map> |
| |
| #include "any.h" |
| #include "buffer.h" |
| #include "noncopyable.h" |
| #include "transport.h" |
| #include "unique_seq_id.h" |
| |
| namespace tubemq { |
| |
| // Check Package is done |
| using ProtocalCheckerFunction = std::function<int(BufferPtr&, Any&, uint32_t&, bool&, size_t&)>; |
| |
| class Connection : noncopyable { |
| public: |
| enum Status { kConnecting, kConnected, kDisconnected }; |
| Connection() |
| : connect_id_(unique_id_.Next()), |
| status_(kConnecting), |
| recv_time_(std::time(nullptr)), |
| create_time_(std::time(nullptr)) { |
| formatContextString(); |
| } |
| Connection(const std::string& ip, uint16_t port) |
| : ip_(ip), |
| port_(port), |
| connect_id_(unique_id_.Next()), |
| status_(kConnecting), |
| recv_time_(std::time(nullptr)), |
| create_time_(std::time(nullptr)) { |
| formatContextString(); |
| } |
| virtual ~Connection() {} |
| |
| virtual void Close() = 0; |
| |
| virtual void AsyncWrite(RequestContextPtr& req) = 0; |
| |
| Status GetStatus() const { return status_; } |
| uint32_t GetConnectID() const { return connect_id_; } |
| |
| inline bool IsStop() const { return status_ == kDisconnected; } |
| inline bool IsConnected() const { return status_ == kConnected; } |
| |
| void SetCloseNotifier(CloseNotifier func) { notifier_ = func; } |
| |
| void SetProtocalCheck(ProtocalCheckerFunction func) { check_ = func; } |
| |
| inline std::time_t GetRecvTime() const { return recv_time_; } |
| |
| inline const std::string ToString() const { |
| std::stringstream stream; |
| stream << "[recvtime:" << recv_time_ << "]" |
| << "[read_package:" << read_package_number_ << "]" |
| << "[write_package:" << write_package_number_ << "]"; |
| return context_string_ + stream.str(); |
| } |
| |
| private: |
| void formatContextString() { |
| std::stringstream stream; |
| stream << "[id:" << connect_id_ << "]" |
| << "[time:" << create_time_ << "]"; |
| context_string_ += stream.str(); |
| } |
| |
| protected: |
| CloseNotifier notifier_; |
| ProtocalCheckerFunction check_; |
| std::string ip_; |
| uint16_t port_; |
| uint32_t connect_id_; |
| std::atomic<Status> status_; |
| std::string context_string_; // for log |
| std::time_t recv_time_; |
| size_t package_length_ = 0; |
| size_t read_package_number_ = 0; |
| size_t write_package_number_ = 0; |
| |
| private: |
| std::time_t create_time_; |
| static UniqueSeqId unique_id_; |
| }; |
| using ConnectionPtr = std::shared_ptr<Connection>; |
| } // namespace tubemq |
| |
| #endif // _TUBEMQ_CONNECTION_ |
| |