00001 /*************************************************************************** 00002 ** 00003 ** This file is part of GpCoreTools. 00004 ** 00005 ** This file may be distributed and/or modified under the terms of the 00006 ** GNU General Public License version 2 or 3 as published by the Free 00007 ** Software Foundation and appearing in the file LICENSE.GPL included 00008 ** in the packaging of this file. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 00013 ** more details. 00014 ** 00015 ** You should have received a copy of the GNU General Public License 00016 ** along with this program. If not, see <http://www.gnu.org/licenses/>. 00017 ** 00018 ** See http://www.geopsy.org for more information. 00019 ** 00020 ** Created: 2009-06-28 00021 ** Authors: 00022 ** Marc Wathelet 00023 ** Marc Wathelet (LGIT, Grenoble, France) 00024 ** 00025 ***************************************************************************/ 00026 00027 #ifndef DYNAMICBUFFER_H 00028 #define DYNAMICBUFFER_H 00029 00030 #include <unistd.h> 00031 #include <stdlib.h> 00032 #include <sys/types.h> 00033 #include <sys/socket.h> 00034 00035 #include "GpCoreToolsDLLExport.h" 00036 00037 namespace GpCoreTools { 00038 00039 class GPCORETOOLS_EXPORT DynamicBuffer 00040 { 00041 public: 00042 DynamicBuffer(int fileDescriptor); 00043 virtual ~DynamicBuffer(); 00044 00045 void setFileDescriptor(int fileDescriptor) {_fileDescriptor=fileDescriptor;} 00046 00047 bool read(); 00048 00049 int sendPartial(const char * bytes, int bytesCount) const { 00050 return ::send(_fileDescriptor, bytes, bytesCount, MSG_MORE); 00051 } 00052 int sendPartialNoGateway(const char * bytes, int bytesCount) const { 00053 return ::send(_fileDescriptor, bytes, bytesCount, MSG_DONTROUTE | MSG_MORE); 00054 } 00055 int send(const char * bytes, int bytesCount) const { 00056 return ::write(_fileDescriptor, bytes, bytesCount); 00057 } 00058 int sendNoGateway(const char * bytes, int bytesCount) const { 00059 return ::send(_fileDescriptor, bytes, bytesCount, MSG_DONTROUTE); 00060 } 00061 protected: 00062 virtual int bytesAvailable(char * bytes, int bytesCount)=0; 00063 void debugBuffer() const; 00064 void debugIgnoreByte(); 00065 void debugEndIgnoreByte(); 00066 private: 00067 int _fileDescriptor; 00068 int _bufferCapacity; 00069 int _bufferIn; 00070 int _bufferOut; 00071 char * _buffer; 00072 int _debugIgnoreByteCount; 00073 int _debugIgnoreByteColumnCount; 00074 }; 00075 00076 } // namespace GpCoreTools 00077 00078 #endif // DYNAMICBUFFER_H
