// ***************************************************************** -*- C++ -*-
/*
* This program is part of the Exiv2 distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
*/
/*
Abstract : Tester application for BasicIo functions. Tests MemIo primarily
since FileIo just sits atop of FILE* streams.
File : iotest.cpp
Author(s): Brad Schick (brad) <brad@robotbattle.com>
History : 04-Dec-04, brad: created
*/
// *****************************************************************************
// included header files
#include <exiv2/exiv2.hpp>
#include <cstdio> // for EOF
#include <cstring>
#include <iostream>
#include <stdio.h>
using Exiv2::byte;
using Exiv2::BasicIo;
using Exiv2::MemIo;
using Exiv2::FileIo;
using Exiv2::IoCloser;
using Exiv2::Error;
using Exiv2::strError;
int WriteReadSeek(BasicIo &io);
// *****************************************************************************
// Main
int main(int argc, char* const argv[])
{
Exiv2::XmpParser::initialize();
::atexit(Exiv2::XmpParser::terminate);
try {
if (argc < 4 || argc > 6 ) {
std::cout << "Usage: " << argv[0] << " filein fileout1 fileout2 [remote [blocksize]]\n"
"copy filein to fileout1 and copy filein to fileout2\n"
"fileout1 and fileout2 are overwritten and should match filein exactly\n"
"\n"
"You may optionally provide the URL of a remote file to be copied to filein\n"
"If you use `remote`, you may optionally provide a blocksize for the copy buffer (default 10k)\n"
;
return 1;
}
const char* f0 = argv[1]; // fileIn
const char* f1 = argv[2]; // fileOut1
const char* f2 = argv[3]; // fileOut2
const char* fr = argv[4]; // remote file
const char* ba = argv[5]; // block argument
if ( argc >= 5 ) {
int blocksize = argc==6 ? atoi(ba) : 10000;
// ensure blocksize is sane
if (blocksize>1024*1024) blocksize=10000;
Exiv2::byte* bytes = blocksize>0 ? new Exiv2::byte[blocksize]: NULL;
// copy fileIn from a remote location.
BasicIo::AutoPtr io = Exiv2::ImageFactory::createIo(fr);
if ( io->open() != 0 ) {
Error(Exiv2::kerFileOpenFailed, io->path(), "rb", strError());
}
FileIo output(f0);
if ( !output.open("wb") ) {
Error(Exiv2::kerFileOpenFailed, output.path() , "w+b", strError());
}
size_t l = 0;
if ( bytes ) {
int r ;
while ( (r=io->read(bytes,blocksize)) > 0 ) {
l += r;
output.write(bytes,r) ;
}
} else {
// read/write byte-wise (#1029)
while ( l++ < io->size() ) {
output.putb(io->getb()) ;
}
}
if ( bytes ) delete [] bytes;
output.close();
}
FileIo fileIn(f0);
if (fileIn.open() != 0) {
throw Error(Exiv2::kerDataSourceOpenFailed, fileIn.path(), strError());
}
FileIo fileOut1(f1);
if (fileOut1.open("w+b") != 0) {
throw Error(Exiv2::kerFileOpenFailed, f1, "w+b", strError());
}
MemIo memIo1;
// Copy to output file through memIo
memIo1.write(fileIn);
memIo1.seek(0, BasicIo::beg);
fileOut1.write(memIo1);
// Make sure they are all the same size
if(fileIn.size() != memIo1.size() || memIo1.size() != fileOut1.size()) {
std::cerr << argv[0] <<
": Sizes do not match\n";
return 1;
}
// Read writereadseek test on MemIo
MemIo memIo2;
int rc = WriteReadSeek(memIo2);
if (rc != 0) return rc;
// Read writereadseek test on FileIo
// Create or overwrite the file, then close it
FileIo fileTest("iotest.txt");
if (fileTest.open("w+b") != 0) {
throw Error(Exiv2::kerFileOpenFailed, "iotest.txt", "w+b", strError());
}
fileTest.close();
rc = WriteReadSeek(fileTest);
if (rc != 0) return rc;
// Another test of reading and writing
fileOut1.seek(0, BasicIo::beg);
memIo2.seek(0, BasicIo::beg);
FileIo fileOut2(f2);
if (fileOut2.open("w+b") != 0) {
throw Error(Exiv2::kerFileOpenFailed, f2, "w+b", strError());
}
long readCount = 0;
byte buf[32];
while ((readCount=fileOut1.read(buf, sizeof(buf)))) {
if (memIo2.write(buf, readCount) != readCount) {
std::cerr << argv[0] <<
": MemIo bad write 2\n";
return 13;
}
if (fileOut2.write(buf, readCount) != readCount) {
std::cerr << argv[0] <<
": FileIo bad write 2\n";
return 14;
}
}
return 0;
} catch (Exiv2::AnyError& e) {
std::cerr << "Caught Exiv2 exception '" << e << "'\n";
return 20;
}
}
int WriteReadSeek(BasicIo &io)
{
byte buf[4096];
const char tester1[] = "this is a little test of MemIo";
const char tester2[] = "Appending this on the end";
const char expect[] = "this is a little teAppending this on the end";
const size_t insert = 19;
const size_t size1 = std::strlen(tester1) + 1;
const size_t size2 = std::strlen(tester2) + 1;
if (io.open() != 0) {
throw Error(Exiv2::kerDataSourceOpenFailed, io.path(), strError());
}
IoCloser closer(io);
if ((size_t) io.write((byte*)tester1, (long)size1) != size1) {
std::cerr << ": WRS initial write failed\n";
return 2;
}
if (io.size() != size1) {
std::cerr << ": WRS size is not " << size1 << "\n";
return 2;
}
long backup = (long)size1;
io.seek(-backup, BasicIo::cur);
int c = EOF;
std::memset(buf, -1, sizeof(buf));
for (int i = 0; (c=io.getb()) != EOF; ++i) {
buf[i] = (byte)c;
}
// Make sure we got the null back
if(buf[size1-1] != 0) {
std::cerr << ": WRS missing null terminator 1\n";
return 3;
}
if (strcmp(tester1, (char*)buf) != 0 ) {
std::cerr << ": WRS strings don't match 1\n";
return 4;
}
io.seek(-2, BasicIo::end);
if (io.getb() != 'o') {
std::cerr << ": WRS bad getb o\n";
return 5;
}
io.seek(-2, BasicIo::cur);
if (io.getb() != 'I') {
std::cerr << ": WRS bad getb I\n";
return 6;
}
if (io.putb('O') != 'O') {
std::cerr << ": WRS bad putb\n";
return 7;
}
io.seek(-1, BasicIo::cur);
if (io.getb() != 'O') {
std::cerr << ": WRS bad getb O\n";
return 8;
}
io.seek(insert, BasicIo::beg);
if((size_t)io.write((byte*)tester2, (long)size2) != size2) {
std::cerr << ": WRS bad write 1\n";
return 9;
}
// open should seek to beginning
if (io.open() != 0) {
throw Error(Exiv2::kerDataSourceOpenFailed, io.path(), strError());
}
std::memset(buf, -1, sizeof(buf));
if ((size_t) io.read(buf, sizeof(buf)) != insert + size2) {
std::cerr << ": WRS something went wrong\n";
return 10;
}
// Make sure we got the null back
if(buf[insert + size2 - 1] != 0) {
std::cerr << ": WRS missing null terminator 2\n";
return 11;
}
if (std::strcmp(expect, (char*)buf) != 0 ) {
std::cerr << ": WRS strings don't match 2\n";
return 12;
}
return 0;
}