| /** @addtogroup MCD_MCDIMPL_DAEMON_SRV |
| * @{ |
| * @file |
| * |
| * Connection data. |
| * |
| * <!-- Copyright Giesecke & Devrient GmbH 2009 - 2012 --> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
| * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef CONNECTION_H_ |
| #define CONNECTION_H_ |
| |
| #include <list> |
| #include <exception> |
| |
| #include <inttypes.h> |
| |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <sys/un.h> |
| |
| |
| class Connection |
| { |
| |
| public: |
| struct sockaddr_un remote; /**< Remote address */ |
| int32_t socketDescriptor; /**< Local socket descriptor */ |
| void *connectionData; /**< reference to data related with the connection */ |
| bool detached; /**< Connection state */ |
| |
| Connection( |
| void |
| ); |
| |
| Connection( |
| int socketDescriptor, |
| sockaddr_un *remote |
| ); |
| |
| virtual ~Connection( |
| void |
| ); |
| |
| /** |
| * Connect to destination. |
| * |
| * @param Destination pointer. |
| * @return true on success. |
| */ |
| virtual bool connect( |
| const char *dest |
| ); |
| |
| /** |
| * Read bytes from the connection. |
| * |
| * @param buffer Pointer to destination buffer. |
| * @param len Number of bytes to read. |
| * @param timeout Timeout in milliseconds |
| * @return Number of bytes read. |
| * @return -1 if select() failed (returned -1) |
| * @return -2 if no data available, i.e. timeout |
| */ |
| virtual size_t readData(void *buffer, uint32_t len, int32_t timeout); |
| |
| /** |
| * Read bytes from the connection. |
| * |
| * @param buffer Pointer to destination buffer. |
| * @param len Number of bytes to read. |
| * @return Number of bytes read. |
| */ |
| virtual size_t readData(void *buffer, uint32_t len); |
| |
| /** |
| * Write bytes to the connection. |
| * |
| * @param buffer Pointer to source buffer. |
| * @param len Number of bytes to read. |
| * @return Number of bytes written. |
| * @return -1 if written bytes not equal to len. |
| */ |
| virtual size_t writeData(void *buffer, uint32_t len); |
| |
| /** |
| * Wait for data to be available. |
| * |
| * @param timeout Timeout in milliseconds |
| * @return 0 if data is available |
| * @return error code if otherwise |
| */ |
| virtual int waitData(int32_t timeout); |
| |
| }; |
| |
| typedef std::list<Connection *> connectionList_t; |
| typedef connectionList_t::iterator connectionIterator_t; |
| |
| |
| #endif /* CONNECTION_H_ */ |
| |
| /** @} */ |