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2007-11-28 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

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Added direct I/O support. The current implementation uses O_DIRECT,
	which is not posix standard and is tested on linux 2.6.21.
	Currently only file allocation uses direct I/O.
	* src/SingleFileAllocationIterator.{h, cc}
	* test/SingleFileAllocationIteratorTest.cc
	* src/MultiFileAllocationIterator.{h, cc}
	* test/MultiFileAllocationIteratorTest.cc
	* src/BinaryStream.h
	* src/DiskWriter.h
	* src/AbstractDiskWriter.{h, cc}
	* src/ByteArrayDiskWriter.h
	* src/DiskAdaptor.h
	* src/AbstractSingleDiskAdaptor.{h, cc}
	* src/MultiDiskAdaptor.{h, cc}
	* src/FileAllocationEntry.cc
	* src/Util.{h, cc}
	* src/OptionHandlerFactory.cc
	* src/prefs.h
	* src/version_usage.cc
	* src/option_processing.cc

	Moved FileAllocationMan::markCurrentFileAllocationEntryDone() to
	handleException.
	* src/MultiFileAllocationIterator.cc

	Added EINTR handling
	* src/SocketCore.cc
This commit is contained in:
Tatsuhiro Tsujikawa 2007-11-28 14:22:28 +00:00
parent a022a1826b
commit 5a2f398eca
32 changed files with 320 additions and 150 deletions
Download patch file Download diff file Expand all files Collapse all files

33
test/SingleFileAllocationIteratorTest.cc
View file

@ -1,7 +1,6 @@
#include "SingleFileAllocationIterator.h"
#include "File.h"
#include "DefaultDiskWriter.h"
#include "DirectDiskAdaptor.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@ -31,38 +30,24 @@ void SingleFileAllocationIteratorTest::testAllocate()
string fname = "aria2_SingleFileAllocationIteratorTest_testAllocate";
string fn = dir+"/"+fname;
ofstream of(fn.c_str());
of << "0123456789";
of.close();
File x(fn);
CPPUNIT_ASSERT_EQUAL((int64_t)10, x.size());
DefaultDiskWriterHandle writer = new DefaultDiskWriter();
DirectDiskAdaptorHandle diskAdaptor = new DirectDiskAdaptor();
diskAdaptor->setDiskWriter(writer);
diskAdaptor->setTotalLength(16*1024*2+8*1024);
diskAdaptor->setStoreDir(dir);
FileEntryHandle fileEntry = new FileEntry(fname,
diskAdaptor->getTotalLength(),
0);
FileEntries fs;
fs.push_back(fileEntry);
diskAdaptor->setFileEntries(fs);
DefaultDiskWriter writer;
int64_t offset = 10;
int64_t totalLength = 16*1024*2+8*1024;
// we have to open file first.
diskAdaptor->openFile();
SingleFileAllocationIteratorHandle itr = diskAdaptor->fileAllocationIterator();
itr->allocateChunk();
CPPUNIT_ASSERT(!itr->finished());
itr->allocateChunk();
CPPUNIT_ASSERT(!itr->finished());
itr->allocateChunk();
CPPUNIT_ASSERT(itr->finished());
writer.openExistingFile(fn);
SingleFileAllocationIterator itr(&writer, offset, totalLength);
itr.init();
while(!itr.finished()) {
itr.allocateChunk();
}
File f(fn);
CPPUNIT_ASSERT_EQUAL((int64_t)40960, f.size());
}