| /* |
| * 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 _IGNITE_NETWORK_TCP_SOCKET_CLIENT |
| #define _IGNITE_NETWORK_TCP_SOCKET_CLIENT |
| |
| #include "network/sockets.h" |
| |
| #include <stdint.h> |
| |
| #include <ignite/common/common.h> |
| |
| #include <ignite/network/socket_client.h> |
| |
| namespace ignite |
| { |
| namespace network |
| { |
| /** |
| * Socket client implementation. |
| */ |
| class TcpSocketClient : public SocketClient |
| { |
| public: |
| /** Buffers size */ |
| enum { BUFFER_SIZE = 0x10000 }; |
| |
| /** |
| * Constructor. |
| */ |
| TcpSocketClient(); |
| |
| /** |
| * Destructor. |
| */ |
| virtual ~TcpSocketClient(); |
| |
| /** |
| * Establish connection with remote TCP service. |
| * |
| * @param hostname Remote host name. |
| * @param port TCP service port. |
| * @param timeout Timeout. |
| * @return True on success. |
| */ |
| virtual bool Connect(const char* hostname, uint16_t port, int32_t timeout); |
| |
| /** |
| * Close established connection. |
| */ |
| virtual void Close(); |
| |
| /** |
| * Send data by established connection. |
| * |
| * @param data Pointer to data to be sent. |
| * @param size Size of the data in bytes. |
| * @param timeout Timeout. |
| * @return Number of bytes that have been sent on success, |
| * WaitResult::TIMEOUT on timeout and -errno on failure. |
| */ |
| virtual int Send(const int8_t* data, size_t size, int32_t timeout); |
| |
| /** |
| * Receive data from established connection. |
| * |
| * @param buffer Pointer to data buffer. |
| * @param size Size of the buffer in bytes. |
| * @param timeout Timeout. |
| * @return Number of bytes that have been received on success, |
| * WaitResult::TIMEOUT on timeout and -errno on failure. |
| */ |
| virtual int Receive(int8_t* buffer, size_t size, int32_t timeout); |
| |
| /** |
| * Check if the socket is blocking or not. |
| * @return @c true if the socket is blocking and false otherwise. |
| */ |
| virtual bool IsBlocking() const; |
| |
| private: |
| /** |
| * Close established connection. |
| */ |
| void InternalClose(); |
| |
| /** |
| * Wait on the socket for any event for specified time. |
| * This function uses poll to achive timeout functionality |
| * for every separate socket operation. |
| * |
| * @param timeout Timeout. |
| * @param rd Wait for read if @c true, or for write if @c false. |
| * @return -errno on error, WaitResult::TIMEOUT on timeout and |
| * WaitResult::SUCCESS on success. |
| */ |
| int WaitOnSocket(int32_t timeout, bool rd); |
| |
| /** Handle. */ |
| sockets::SocketHandle socketHandle; |
| |
| /** Blocking flag. */ |
| bool blocking; |
| |
| IGNITE_NO_COPY_ASSIGNMENT(TcpSocketClient); |
| }; |
| } |
| } |
| |
| #endif //_IGNITE_NETWORK_TCP_SOCKET_CLIENT |