1 // Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // File : SALOME_FileTransfer_i.cxx
24 // Author : Paul RASCLE, EDF
28 #include "SALOME_FileTransfer_i.hxx"
29 #include "utilities.h"
31 /*! \class fileTransfer_i
32 \brief A class to manage file transfer in SALOME
36 //=============================================================================
38 * Default constructor,
40 //=============================================================================
42 fileTransfer_i::fileTransfer_i()
47 //=============================================================================
51 //=============================================================================
53 fileTransfer_i::~fileTransfer_i()
58 //=============================================================================
59 /*! \brief open the given file
61 * CORBA method: try to open the file. If the file is readable, return
62 * a positive integer else return 0;
63 * \param fileName path to the file to be transferred
64 * \return fileId = positive integer > 0 if open OK.
66 //=============================================================================
68 CORBA::Long fileTransfer_i::open(const char* fileName)
70 int aKey = _fileKey++;
73 if ((fp = fopen(fileName,"rb")) == NULL)
75 INFOS("file " << fileName << " is not readable");
78 _fileAccess[aKey] = fp;
82 //=============================================================================
83 /*! \brief close a file
85 * CORBA method: close the file associated to the fileId given at open.
86 * \param fileId got in return from open method
88 //=============================================================================
90 void fileTransfer_i::close(CORBA::Long fileId)
93 if (! (fp = _fileAccess[fileId]) )
95 INFOS(" no FILE structure associated to fileId " <<fileId);
100 _fileAccess.erase(fileId);
104 #define FILEBLOCK_SIZE 256*1024
106 //=============================================================================
107 /*! \brief get a data block from a file
109 * CORBA method: get a block of data from the file associated to the fileId
111 * \param fileId got in return from open method
112 * \return an octet sequence. Last one is empty.
114 //=============================================================================
116 Engines::fileBlock* fileTransfer_i::getBlock(CORBA::Long fileId)
118 Engines::fileBlock* aBlock = new Engines::fileBlock;
121 if (! (fp = _fileAccess[fileId]) )
123 INFOS(" no FILE structure associated to fileId " <<fileId);
127 // use replace member function for sequence to avoid copy
128 // see Advanced CORBA Programming with C++ pp 187-194
131 buf = Engines::fileBlock::allocbuf(FILEBLOCK_SIZE);
132 size_t nbRed = fread(buf, sizeof(CORBA::Octet), FILEBLOCK_SIZE, fp);
134 aBlock->replace((CORBA::ULong)nbRed, (CORBA::ULong)nbRed, buf, 1); // 1 means give ownership
138 /*! \brief open the given file in write mode (for copy)
140 * CORBA method: try to open the file. If the file is writable,
141 * return a positive integer else return 0;
142 * \param fileName path to the file to be transferred
143 * \return fileId = positive integer > 0 if open OK.
145 CORBA::Long fileTransfer_i::openW(const char* fileName)
147 int aKey = _fileKey++;
150 if ((fp = fopen(fileName,"wb")) == NULL)
152 INFOS("file " << fileName << " is not writable");
155 _fileAccess[aKey] = fp;
159 /*! \brief put a data block for copy into a file
161 * CORBA method: put a block of data into the file associated to the fileId
163 * \param fileId got in return from openW method
164 * \param block an octet sequence to copy into opened file
166 void fileTransfer_i::putBlock(CORBA::Long fileId, const Engines::fileBlock& block)
169 if (! (fp = _fileAccess[fileId]) )
171 INFOS(" no FILE structure associated to fileId " <<fileId);
174 int toFollow = block.length();
176 const CORBA::Octet *buf = block.get_buffer();
177 fwrite(buf, sizeof(CORBA::Octet), toFollow, fp);