| /* |
| * 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_SSL_SECURE_SOCKET_CLIENT |
| #define _IGNITE_NETWORK_SSL_SECURE_SOCKET_CLIENT |
| |
| #include <stdint.h> |
| #include <string> |
| |
| #include <ignite/network/socket_client.h> |
| #include <ignite/network/ssl/secure_configuration.h> |
| |
| namespace ignite |
| { |
| namespace network |
| { |
| namespace ssl |
| { |
| /** |
| * Secure socket client. |
| */ |
| class SecureSocketClient : public SocketClient |
| { |
| public: |
| /** |
| * Constructor. |
| * |
| * @param cfg Secure configuration. |
| */ |
| SecureSocketClient(const SecureConfiguration& cfg); |
| |
| /** |
| * Destructor. |
| */ |
| virtual ~SecureSocketClient(); |
| |
| /** |
| * Establish connection with the host. |
| * |
| * @param hostname Host name or address. |
| * @param port TCP port. |
| * @param timeout Timeout in seconds. |
| * @return @c true on success and @c false on timeout. |
| */ |
| virtual bool Connect(const char* hostname, uint16_t port, int32_t timeout); |
| |
| /** |
| * Close the connection. |
| */ |
| virtual void Close(); |
| |
| /** |
| * Send data using connection. |
| * @param data Data to send. |
| * @param size Number of bytes to send. |
| * @param timeout Timeout in seconds. |
| * @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 in seconds. |
| * @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 the connection. |
| * Internal call. |
| */ |
| void CloseInternal(); |
| |
| /** |
| * Wait on the socket for any event for specified time. |
| * This function uses poll to achive timeout functionality |
| * for every separate socket operation. |
| * |
| * @param ssl SSL instance. |
| * @param timeout Timeout in seconds. |
| * @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. |
| */ |
| static int WaitOnSocket(void* ssl, int32_t timeout, bool rd); |
| |
| /** |
| * Wait on the socket if it's required by SSL. |
| * |
| * @param res Operation result. |
| * @param ssl SSl instance. |
| * @param timeout Timeout in seconds. |
| * @return |
| */ |
| static int WaitOnSocketIfNeeded(int res, void* ssl, int timeout); |
| |
| /** |
| * Make new SSL instance. |
| * |
| * @param context SSL context. |
| * @param hostname Host name or address. |
| * @param port TCP port. |
| * @param blocking Indicates if the resulted SSL is blocking or not. |
| * @return New SSL instance on success and null-pointer on fail. |
| */ |
| static void* MakeSsl(void* context, const char* hostname, uint16_t port, bool& blocking); |
| |
| /** |
| * Complete async connect. |
| * |
| * @param ssl SSL instance. |
| * @param timeout Timeout in seconds. |
| * @return @c true on success and @c false on timeout. |
| */ |
| static bool CompleteConnectInternal(void* ssl, int timeout); |
| |
| /** Secure configuration. */ |
| SecureConfiguration cfg; |
| |
| /** SSL context. */ |
| void* context; |
| |
| /** OpenSSL instance */ |
| void* ssl; |
| |
| /** Blocking flag. */ |
| bool blocking; |
| }; |
| } |
| } |
| } |
| |
| #endif //_IGNITE_NETWORK_SSL_SECURE_SOCKET_CLIENT |