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#include <efsw/FileSystem.hpp>
#include <efsw/FileWatcherGeneric.hpp>
#include <efsw/Lock.hpp>
#include <efsw/System.hpp>
namespace efsw {
FileWatcherGeneric::FileWatcherGeneric( FileWatcher* parent ) :
FileWatcherImpl( parent ), mThread( NULL ), mLastWatchID( 0 ) {
mInitOK = true;
mIsGeneric = true;
}
FileWatcherGeneric::~FileWatcherGeneric() {
mInitOK = false;
efSAFE_DELETE( mThread );
/// Delete the watches
WatchList::iterator it = mWatches.begin();
for ( ; it != mWatches.end(); ++it ) {
efSAFE_DELETE( ( *it ) );
}
}
WatchID FileWatcherGeneric::addWatch( const std::string& directory, FileWatchListener* watcher,
bool recursive ) {
std::string dir( directory );
FileSystem::dirAddSlashAtEnd( dir );
FileInfo fi( dir );
if ( !fi.isDirectory() ) {
return Errors::Log::createLastError( Errors::FileNotFound, dir );
} else if ( !fi.isReadable() ) {
return Errors::Log::createLastError( Errors::FileNotReadable, dir );
} else if ( pathInWatches( dir ) ) {
return Errors::Log::createLastError( Errors::FileRepeated, dir );
}
std::string curPath;
std::string link( FileSystem::getLinkRealPath( dir, curPath ) );
if ( "" != link ) {
if ( pathInWatches( link ) ) {
return Errors::Log::createLastError( Errors::FileRepeated, dir );
} else if ( !linkAllowed( curPath, link ) ) {
return Errors::Log::createLastError( Errors::FileOutOfScope, dir );
} else {
dir = link;
}
}
mLastWatchID++;
WatcherGeneric* pWatch = new WatcherGeneric( mLastWatchID, dir, watcher, this, recursive );
Lock lock( mWatchesLock );
mWatches.push_back( pWatch );
return pWatch->ID;
}
void FileWatcherGeneric::removeWatch( const std::string& directory ) {
WatchList::iterator it = mWatches.begin();
for ( ; it != mWatches.end(); ++it ) {
if ( ( *it )->Directory == directory ) {
WatcherGeneric* watch = ( *it );
Lock lock( mWatchesLock );
mWatches.erase( it );
efSAFE_DELETE( watch );
return;
}
}
}
void FileWatcherGeneric::removeWatch( WatchID watchid ) {
WatchList::iterator it = mWatches.begin();
for ( ; it != mWatches.end(); ++it ) {
if ( ( *it )->ID == watchid ) {
WatcherGeneric* watch = ( *it );
Lock lock( mWatchesLock );
mWatches.erase( it );
efSAFE_DELETE( watch );
return;
}
}
}
void FileWatcherGeneric::watch() {
if ( NULL == mThread ) {
mThread = new Thread( &FileWatcherGeneric::run, this );
mThread->launch();
}
}
void FileWatcherGeneric::run() {
do {
{
Lock lock( mWatchesLock );
WatchList::iterator it = mWatches.begin();
for ( ; it != mWatches.end(); ++it ) {
( *it )->watch();
}
}
if ( mInitOK )
System::sleep( 1000 );
} while ( mInitOK );
}
void FileWatcherGeneric::handleAction( Watcher*, const std::string&, unsigned long, std::string ) {
/// Not used
}
std::list<std::string> FileWatcherGeneric::directories() {
std::list<std::string> dirs;
Lock lock( mWatchesLock );
WatchList::iterator it = mWatches.begin();
for ( ; it != mWatches.end(); ++it ) {
dirs.push_back( ( *it )->Directory );
}
return dirs;
}
bool FileWatcherGeneric::pathInWatches( const std::string& path ) {
WatchList::iterator it = mWatches.begin();
for ( ; it != mWatches.end(); ++it ) {
if ( ( *it )->Directory == path || ( *it )->pathInWatches( path ) ) {
return true;
}
}
return false;
}
} // namespace efsw
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