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// **********************************************************************
//
// Copyright (c) 2003-2013 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <PersistentFilesystemI.h>
using namespace std;
//
// Filesystem::FileI
//
Freeze::EvictorPtr Filesystem::FileI::_evictor;
Filesystem::FileI::FileI() : _destroyed(false)
{
}
string
Filesystem::FileI::name(const Ice::Current& c)
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
return nodeName;
}
void
Filesystem::FileI::destroy(const Ice::Current& c)
{
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
_destroyed = true;
}
//
// Because we use a transactional evictor, these updates are guaranteed to be atomic.
//
parent->removeNode(nodeName);
_evictor->remove(c.id);
}
Filesystem::Lines
Filesystem::FileI::read(const Ice::Current& c)
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
return text;
}
void
Filesystem::FileI::write(const Filesystem::Lines& text, const Ice::Current& c)
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
this->text = text;
}
//
// Filesystem::DirectoryI
//
Freeze::EvictorPtr Filesystem::DirectoryI::_evictor;
Filesystem::DirectoryI::DirectoryI() : _destroyed(false)
{
}
string
Filesystem::DirectoryI::name(const Ice::Current& c)
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
return nodeName;
}
void
Filesystem::DirectoryI::destroy(const Ice::Current& c)
{
if(!parent)
{
throw Filesystem::PermissionDenied("Cannot destroy root directory");
}
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
if(!nodes.empty())
{
throw Filesystem::PermissionDenied("Cannot destroy non-empty directory");
}
_destroyed = true;
}
//
// Because we use a transactional evictor, these updates are guaranteed to be atomic.
//
parent->removeNode(nodeName);
_evictor->remove(c.id);
}
Filesystem::NodeDescSeq
Filesystem::DirectoryI::list(const Ice::Current& c)
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
NodeDict::const_iterator p;
NodeDescSeq result;
for(p = nodes.begin(); p != nodes.end(); ++p)
{
result.push_back(p->second);
}
return result;
}
Filesystem::NodeDesc
Filesystem::DirectoryI::find(const string& name, const Ice::Current& c)
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
NodeDict::iterator p = nodes.find(name);
if(p == nodes.end())
{
throw NoSuchName(name);
}
return p->second;
}
Filesystem::DirectoryPrx
Filesystem::DirectoryI::createDirectory(const string& name, const Ice::Current& c)
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
if(name.empty() || nodes.find(name) != nodes.end())
{
throw NameInUse(name);
}
Ice::Identity id;
id.name = IceUtil::generateUUID();
PersistentDirectoryPtr dir = new DirectoryI;
dir->nodeName = name;
dir->parent = PersistentDirectoryPrx::uncheckedCast(c.adapter->createProxy(c.id));
DirectoryPrx proxy = DirectoryPrx::uncheckedCast(_evictor->add(dir, id));
NodeDesc nd;
nd.name = name;
nd.type = DirType;
nd.proxy = proxy;
nodes[name] = nd;
return proxy;
}
Filesystem::FilePrx
Filesystem::DirectoryI::createFile(const string& name, const Ice::Current& c)
{
IceUtil::Mutex::Lock lock(_mutex);
if(_destroyed)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, c.id, c.facet, c.operation);
}
if(name.empty() || nodes.find(name) != nodes.end())
{
throw NameInUse(name);
}
Ice::Identity id;
id.name = IceUtil::generateUUID();
PersistentFilePtr file = new FileI;
file->nodeName = name;
file->parent = PersistentDirectoryPrx::uncheckedCast(c.adapter->createProxy(c.id));
FilePrx proxy = FilePrx::uncheckedCast(_evictor->add(file, id));
NodeDesc nd;
nd.name = name;
nd.type = FileType;
nd.proxy = proxy;
nodes[name] = nd;
return proxy;
}
void
Filesystem::DirectoryI::removeNode(const string& name, const Ice::Current&)
{
IceUtil::Mutex::Lock lock(_mutex);
NodeDict::iterator p = nodes.find(name);
assert(p != nodes.end());
nodes.erase(p);
}
//
// Filesystem::NodeFactory
//
Ice::ObjectPtr
Filesystem::NodeFactory::create(const string& type)
{
if(type == PersistentFile::ice_staticId())
{
return new FileI;
}
else if(type == PersistentDirectory::ice_staticId())
{
return new DirectoryI;
}
else
{
assert(false);
return 0;
}
}
void
Filesystem::NodeFactory::destroy()
{
}
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