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Add optional parameter to iotest.cpp to create the input file by copying from a remote location.

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This commit is contained in:
clanmills 2020-05-14 10:31:13 +01:00
parent 60d40d0d17
commit 037849ea9e
1 changed files with 99 additions and 73 deletions
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172
samples/iotest.cpp
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@ -31,6 +31,7 @@
#include <cstdio> // for EOF
#include <cstring>
#include <iostream>
#include <stdio.h>
using Exiv2::byte;
using Exiv2::BasicIo;
@ -50,81 +51,106 @@ int main(int argc, char* const argv[])
::atexit(Exiv2::XmpParser::terminate);
try {
if (argc != 4) {
std::cout << "Usage: " << argv[0] << " filein fileout1 fileout2\n";
std::cout << "fileouts are overwritten and should match filein exactly\n";
return 1;
}
FileIo fileIn(argv[1]);
if (fileIn.open() != 0) {
throw Error(Exiv2::kerDataSourceOpenFailed, fileIn.path(), strError());
}
FileIo fileOut1(argv[2]);
if (fileOut1.open("w+b") != 0) {
throw Error(Exiv2::kerFileOpenFailed, argv[2], "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(argv[3]);
if (fileOut2.open("w+b") != 0) {
throw Error(Exiv2::kerFileOpenFailed, argv[3], "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 (argc < 4 || argc > 5 ) {
std::cout << "Usage: " << argv[0] << " filein fileout1 fileout2 [remote]\n";
std::cout << "fileouts are overwritten and should match filein exactly\n";
return 1;
}
if (fileOut2.write(buf, readCount) != readCount) {
std::cerr << argv[0] <<
": FileIo bad write 2\n";
return 14;
}
}
const char* f0 = argv[1];
const char* f1 = argv[2];
const char* f2 = argv[3];
const char* fr = argv[4];
return 0;
}
catch (Exiv2::AnyError& e) {
std::cerr << "Caught Exiv2 exception '" << e << "'\n";
return 20;
}
if ( argc == 5 ) {
// copy fileIn from a remote location.
FILE* f = fopen(f0,"wb");
if ( !f ) {
Error(Exiv2::kerFileOpenFailed, f0, "w+b", strError());
}
BasicIo::AutoPtr io = Exiv2::ImageFactory::createIo(fr);
io->open();
int l = 0 ;
Exiv2::byte b[10000];
int r ;
while ( (r=io->read(b,sizeof(b))) > 0 ) {
l += r;
fwrite(b,r,1,f) ;
}
fclose(f);
if ( !l ) {
Error(Exiv2::kerFileOpenFailed, fr, "w+b", strError());
}
std::cout << argv[4] << " length = " << l << std::endl;
}
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;
}
}