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// **********************************************************************
//
// Copyright (c) 2002
// Mutable Realms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
#include <IcePatch/IcePatchI.h>
#include <IcePatch/Util.h>
using namespace std;
using namespace Ice;
using namespace IcePatch;
IceUtil::RWRecMutex IcePatch::FileI::_globalMutex;
IcePatch::FileI::FileI(const ObjectAdapterPtr& adapter) :
_adapter(adapter),
_logger(adapter->getCommunicator()->getLogger())
{
PropertiesPtr properties = adapter->getCommunicator()->getProperties();
_traceLevel = properties->getPropertyAsInt("IcePatch.Trace.Files");
_busyTimeout = IceUtil::Time::seconds(properties->getPropertyAsIntWithDefault("IcePatch.BusyTimeout", 10));
}
IcePatch::DirectoryI::DirectoryI(const ObjectAdapterPtr& adapter) :
FileI(adapter)
{
}
FileDescPtr
IcePatch::DirectoryI::describe(const Ice::Current& current)
{
// No lock necessary.
string path = identityToPath(current.id);
DirectoryDescPtr desc = new DirectoryDesc;
desc->directory = DirectoryPrx::uncheckedCast(_adapter->createProxy(current.id));
return desc;
}
FileDescSeq
IcePatch::DirectoryI::getContents(const Ice::Current& current)
{
StringSeq filteredPaths;
try
{
IceUtil::RWRecMutex::TryRLock sync(_globalMutex, _busyTimeout);
bool syncUpgraded = false;
string path = identityToPath(current.id);
StringSeq paths = readDirectory(path);
filteredPaths.reserve(paths.size() / 3);
for(StringSeq::const_iterator p = paths.begin(); p != paths.end(); ++p)
{
if(ignoreSuffix(*p))
{
pair<StringSeq::const_iterator, StringSeq::const_iterator> r =
equal_range(paths.begin(), paths.end(), removeSuffix(*p));
if(r.first == r.second)
{
if(!syncUpgraded)
{
sync.timedUpgrade(_busyTimeout);
syncUpgraded = true;
}
StringSeq paths2 = readDirectory(path);
pair<StringSeq::const_iterator, StringSeq::const_iterator> r2 =
equal_range(paths2.begin(), paths2.end(), removeSuffix(*p));
if(r2.first == r2.second)
{
removeRecursive(*p);
if(_traceLevel > 0)
{
Trace out(_logger, "IcePatch");
out << "removed orphaned file `" << *p << "'";
}
}
}
}
else
{
filteredPaths.push_back(*p);
}
}
}
catch(const IceUtil::LockedException&)
{
throw BusyException();
}
//
// Call describe() outside the thread synchronization, to avoid
// deadlocks.
//
FileDescSeq result;
result.reserve(filteredPaths.size());
for(StringSeq::const_iterator p = filteredPaths.begin(); p != filteredPaths.end(); ++p)
{
FilePrx file = FilePrx::uncheckedCast(_adapter->createProxy(pathToIdentity(*p)));
try
{
result.push_back(file->describe());
}
catch(const ObjectNotExistException&)
{
//
// Ignore. This can for example happen if the file
// locator cannot call stat() on the file.
//
}
}
return result;
}
IcePatch::RegularI::RegularI(const ObjectAdapterPtr& adapter) :
FileI(adapter)
{
}
FileDescPtr
IcePatch::RegularI::describe(const Ice::Current& current)
{
try
{
IceUtil::RWRecMutex::TryRLock sync(_globalMutex, _busyTimeout);
string path = identityToPath(current.id);
FileInfo info = getFileInfo(path, true);
FileInfo infoMD5 = getFileInfo(path + ".md5", false);
if(infoMD5.type != FileTypeRegular || infoMD5.time <= info.time)
{
sync.timedUpgrade(_busyTimeout);
infoMD5 = getFileInfo(path + ".md5", false);
if(infoMD5.type != FileTypeRegular || infoMD5.time <= info.time)
{
createMD5(path);
if(_traceLevel > 0)
{
Trace out(_logger, "IcePatch");
out << "created .md5 file for `" << path << "'";
}
}
}
RegularDescPtr desc = new RegularDesc;
desc->regular = RegularPrx::uncheckedCast(_adapter->createProxy(current.id));
desc->md5 = getMD5(path);
return desc;
}
catch(const IceUtil::LockedException&)
{
throw BusyException();
}
}
Int
IcePatch::RegularI::getBZ2Size(const Ice::Current& current)
{
try
{
IceUtil::RWRecMutex::TryRLock sync(_globalMutex, _busyTimeout);
string path = identityToPath(current.id);
FileInfo info = getFileInfo(path, true);
FileInfo infoBZ2 = getFileInfo(path + ".bz2", false);
if(infoBZ2.type != FileTypeRegular || infoBZ2.time <= info.time)
{
sync.timedUpgrade(_busyTimeout);
infoBZ2 = getFileInfo(path + ".bz2", false);
if(infoBZ2.type != FileTypeRegular || infoBZ2.time <= info.time)
{
createBZ2(path);
if(_traceLevel > 0)
{
Trace out(_logger, "IcePatch");
out << "created .bz2 file for `" << path << "'";
}
// Get the .bz2 file info again, so that we can return the
// size below. This time the .bz2 file must exist,
// otherwise an exception is raised.
infoBZ2 = getFileInfo(path + ".bz2", true);
}
}
return infoBZ2.size;
}
catch(const IceUtil::LockedException&)
{
throw BusyException();
}
}
ByteSeq
IcePatch::RegularI::getBZ2(Ice::Int pos, Ice::Int num, const Ice::Current& current)
{
try
{
IceUtil::RWRecMutex::TryRLock sync(_globalMutex, _busyTimeout);
string path = identityToPath(current.id);
FileInfo info = getFileInfo(path, true);
FileInfo infoBZ2 = getFileInfo(path + ".bz2", false);
if(infoBZ2.type != FileTypeRegular || infoBZ2.time <= info.time)
{
sync.timedUpgrade(_busyTimeout);
infoBZ2 = getFileInfo(path + ".bz2", false);
if(infoBZ2.type != FileTypeRegular || infoBZ2.time <= info.time)
{
createBZ2(path);
if(_traceLevel > 0)
{
Trace out(_logger, "IcePatch");
out << "created .bz2 file for `" << path << "'";
}
}
}
return IcePatch::getBZ2(path, pos, num);
}
catch(const IceUtil::LockedException&)
{
throw BusyException();
}
}
ByteSeq
IcePatch::RegularI::getBZ2MD5(Ice::Int size, const Ice::Current& current)
{
try
{
IceUtil::RWRecMutex::TryRLock sync(_globalMutex, _busyTimeout);
string path = identityToPath(current.id);
FileInfo info = getFileInfo(path, true);
FileInfo infoBZ2 = getFileInfo(path + ".bz2", false);
if(infoBZ2.type != FileTypeRegular || infoBZ2.time <= info.time)
{
sync.timedUpgrade(_busyTimeout);
infoBZ2 = getFileInfo(path + ".bz2", false);
if(infoBZ2.type != FileTypeRegular || infoBZ2.time <= info.time)
{
createBZ2(path);
if(_traceLevel > 0)
{
Trace out(_logger, "IcePatch");
out << "created .bz2 file for `" << path << "'";
}
}
}
return IcePatch::getPartialMD5(path + ".bz2", size);
}
catch(const IceUtil::LockedException&)
{
throw BusyException();
}
}
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