def _onAccept(self, err, sock):
if err < 0:
self._setError('Error accepting connection from %s.' %
env.displayName)
return
self.rpcConn = RPCConnection(sock, self.reactor)
self.fileClient = FileClient(self.rpcConn)
self._setStatus('Fetching file list from %s...' % env.displayName)
self.fileClient.callList('/', self._onList)
def onTCPConnect( connector ) :
self.connectOp = None
if connector.getError() != 0 :
self.state = self.CLOSED
connectCallback( False )
return
self.rpcConn = RPCConnection( connector.getSock(), self.reactor )
self.rpcConn.setCloseCallback( self._onClose )
self.state = self.CONNECTED
connectCallback( True )
def __init__( self, sock, reactor, routerState ) :
self.rpcConn = RPCConnection( sock, reactor )
self.reactor = reactor
self.routerState = routerState
self.rpcConn.setCloseCallback( self.close )
self.rpcConn.setRequestCallback( self._onRequest )
self.requestTable = {}
for msg in 'Ping Register Connect Accept'.split() :
self.requestTable[msg] = getattr( self, '_do%s' % msg )
self.routerState.handlers[self] = 1
self.state = self.INITIAL
self._lastActiveTime = time()
def _doOfferFiles(self, sock):
self._setStatus('Sending request ...')
self.state = self.OFFERINGFILES
fileList = []
for row in range(self.ui.fileList.count()):
item = self.ui.fileList.item(row)
fileList.append(self.fileItems[item][0])
self.rpcConn = RPCConnection(sock, self.reactor)
self.switchboard = RPCSwitchboard(self.rpcConn)
self.fs = FlatFS(fileList)
self.fileServer = FileServer(self.fs, self.switchboard)
pending = {}
for i, f in enumerate(fileList):
pending[os.path.split(f)[1].lower()] = i
def onClose():
if pending:
self._setError('Disconnected.')
else:
self._setStatus('Completed.')
def onTransferStatus(payload):
if type(payload) is not ListType: return
if len(payload) != 4: return
for x in payload:
if type(x) is not IntType: return
if x < 0: return
fileId, numFiles, transferred, fileSize = payload
if numFiles != len(fileList): return
if not (1 <= fileId <= numFiles): return
if transferred > fileSize: return
fname = os.path.split(fileList[fileId - 1])[1]
lfname = fname.lower()
pos = pending.get(lfname, None)
if pos is None: return
if transferred == fileSize:
percent = 100
del pending[lfname]
else:
percent = transferred * 100 / fileSize
self._setStatus('Sending file (%d/%d): %s (%d%%)' %
(pos + 1, len(fileList), fname, percent))
self.switchboard.addOnewayAgent('TransferStatus', onTransferStatus)
self.rpcConn.setCloseCallback(onClose)
def onTCPConnect( connector ) :
obj.op = None
if connector.getError() != 0 :
onError()
return
obj.rpcConn = RPCConnection( connector.getSock(), reactor )
obj.rpcConn.setCloseCallback( onError )
obj.op = _doRPCCall( obj.rpcConn, 'Connect', [routerId], onRouterConnect )
def _onAccept( self, err, sock ) :
if err < 0 :
self._setError( 'Error accepting connection from %s.' % env.displayName )
return
self.rpcConn = RPCConnection( sock, self.reactor )
self.fileClient = FileClient( self.rpcConn )
self._setStatus( 'Fetching file list from %s...' % env.displayName )
self.fileClient.callList( '/', self._onList )
def __init__( self, sock, reactor, routerState ) :
self.rpcConn = RPCConnection( sock, reactor )
self.reactor = reactor
self.routerState = routerState
self.rpcConn.setCloseCallback( self.close )
self.rpcConn.setRequestCallback( self._onRequest )
self.requestTable = {}
for msg in 'Ping Register Connect Accept'.split() :
self.requestTable[msg] = getattr( self, '_do%s' % msg )
self.routerState.handlers[self] = 1
self.state = self.INITIAL
self._lastActiveTime = time()
def _doOfferFiles( self, sock ) :
self._setStatus( 'Sending request ...' )
self.state = self.OFFERINGFILES
fileList = []
for row in range(self.ui.fileList.count()) :
item = self.ui.fileList.item( row )
fileList.append( self.fileItems[item][0] )
self.rpcConn = RPCConnection( sock, self.reactor )
self.switchboard = RPCSwitchboard( self.rpcConn )
self.fs = FlatFS( fileList )
self.fileServer = FileServer( self.fs, self.switchboard )
pending = {}
for i,f in enumerate(fileList) :
pending[os.path.split(f)[1].lower()] = i
def onClose() :
if pending :
self._setError( 'Disconnected.' )
else :
self._setStatus( 'Completed.' )
def onTransferStatus( payload ) :
if type(payload) is not ListType : return
if len(payload) != 4 : return
for x in payload :
if type(x) is not IntType : return
if x < 0 : return
fileId,numFiles,transferred,fileSize = payload
if numFiles != len(fileList) : return
if not (1 <= fileId <= numFiles) : return
if transferred > fileSize : return
fname = os.path.split(fileList[fileId-1])[1]
lfname = fname.lower()
pos = pending.get( lfname, None )
if pos is None : return
if transferred == fileSize :
percent = 100
del pending[lfname]
else :
percent = transferred*100 / fileSize
self._setStatus( 'Sending file (%d/%d): %s (%d%%)'
% (pos+1,len(fileList),fname,percent) )
self.switchboard.addOnewayAgent( 'TransferStatus', onTransferStatus )
self.rpcConn.setCloseCallback( onClose )
class FileReceiverWindow(QWidget, FlashWindow):
def __init__(self, reactor):
QWidget.__init__(self)
FlashWindow.__init__(self, reactor)
self.ui = Ui_FileReceiverWindow()
self.ui.setupUi(self)
self.reactor = reactor
self.setWindowTitle(env.displayName + ' - ' + str(self.windowTitle()))
self.connect(self.ui.acceptButton, SIGNAL('clicked()'),
self._onAcceptFiles)
self.connect(self.ui.cancelButton, SIGNAL('clicked()'), self.close)
tcpConnect(('127.0.0.1', env.port), self.reactor, self._onConnect)
self._setStatus('Connecting to CSpace...')
self.disconnected = False
def _setStatus(self, text, isError=False):
lines = text.split('\n')
text = '<b>%s</b>' % '<br/>'.join(lines)
if isError:
text = '<font color=red>%s</font>' % text
self.ui.status.setText(text)
def _setError(self, text):
self._setStatus(text, True)
self.ui.cancelButton.setText('&Close')
def _onConnect(self, connector):
if connector.getError() != 0:
self._setError('Error connecting to CSpace.')
return
sock = connector.getSock()
self._setStatus('Accepting connection from %s.' % env.displayName)
CSpaceAcceptor(sock, env.connectionId, self.reactor, self._onAccept)
def _onAccept(self, err, sock):
if err < 0:
self._setError('Error accepting connection from %s.' %
env.displayName)
return
self.rpcConn = RPCConnection(sock, self.reactor)
self.fileClient = FileClient(self.rpcConn)
self._setStatus('Fetching file list from %s...' % env.displayName)
self.fileClient.callList('/', self._onList)
def _onList(self, err, result):
if err != 0:
self._setError('Error fetching file list from %s.' %
env.displayName)
return
self.files = []
for x in result:
if not x.endswith('/'):
self.files.append(x)
self.ui.fileList.addItem(x)
self._setStatus(('%s is sending the following files.\n' %
env.displayName) + 'Would you like to accept?')
self.ui.acceptButton.setEnabled(True)
self.rpcConn.setCloseCallback(self._onClose)
self.flash()
def _onClose(self):
self.disconnected = True
self._setError('Disconnected.')
self.ui.acceptButton.setEnabled(False)
def _chooseTargetDir(self):
defaultDir = os.path.expanduser('~/Desktop')
if not os.path.isdir(defaultDir):
defaultDir = QString()
dir = localSettings().getString('Settings/FileReceiverSaveDir')
if (not dir) or (not os.path.isdir(dir)):
dir = defaultDir
while True:
dir = QFileDialog.getExistingDirectory(
self, 'Choose directory to save the file(s)', dir)
if dir.isEmpty(): return None
dir = str(dir)
existing = []
for f in self.files:
if os.path.exists(os.path.join(dir, f)): existing.append(f)
if not existing: break
msg = 'The following file(s) already exist in\n%s.\nWould you like to overwrite?\n%s' % (
dir, '\n'.join(existing))
result = QMessageBox.question(
self, 'Overwrite Prompt', msg, QMessageBox.Yes, QMessageBox.No,
QMessageBox.Cancel | QMessageBox.Escape)
if result == QMessageBox.Yes: break
if result == QMessageBox.No: continue
assert result == QMessageBox.Cancel
return None
localSettings().setString('Settings/FileReceiverSaveDir', dir)
return dir
def _onAcceptFiles(self):
self.ui.acceptButton.setEnabled(False)
targetDir = self._chooseTargetDir()
if self.disconnected: return
if not targetDir:
self.ui.acceptButton.setEnabled(True)
return
self.targetDir = targetDir
self.curFileId = 0
self.rpcConn.setCloseCallback(None)
self.statusStub = RPCStub(self.rpcConn, 'TransferStatus')
self._doTransfer()
def _doTransfer(self):
if self.curFileId >= len(self.files):
self._setStatus('Completed.')
self.ui.cancelButton.setText('&Close')
self.rpcConn.close(deferred=True)
return
fname = self.files[self.curFileId]
self.curFileId += 1
self._setStatus('Receiving file(%d/%d): %s' %
(self.curFileId, len(self.files), fname))
remotePath = '/' + fname
localPath = os.path.join(self.targetDir, fname)
try:
self.fetcher = FileFetcher(self.fileClient, remotePath, localPath,
self._onTransfer)
except (OSError, IOError), e:
self._setError('Error saving file: %s' % localPath)
return
class RouterServerHandler( object ) :
(INITIAL,REGISTERED,CONNECTING,CLOSED) = range(4)
def __init__( self, sock, reactor, routerState ) :
self.rpcConn = RPCConnection( sock, reactor )
self.reactor = reactor
self.routerState = routerState
self.rpcConn.setCloseCallback( self.close )
self.rpcConn.setRequestCallback( self._onRequest )
self.requestTable = {}
for msg in 'Ping Register Connect Accept'.split() :
self.requestTable[msg] = getattr( self, '_do%s' % msg )
self.routerState.handlers[self] = 1
self.state = self.INITIAL
self._lastActiveTime = time()
def close( self ) :
self.rpcConn.close()
del self.routerState.handlers[self]
if self.state == self.REGISTERED :
del self.routerState.registered[self.routerId]
elif self.state == self.CONNECTING :
del self.routerState.connecting[self.connectionId]
self.state = self.CLOSED
def lastActiveTime( self ) :
return self._lastActiveTime
def sendIncoming( self, connectionId ) :
assert self.state == self.REGISTERED
self.rpcConn.oneway( connectionId )
def _onRequest( self, payload, ctx ) :
self._lastActiveTime = time()
try :
assert type(payload) is list
assert len(payload) >= 1
msg = payload.pop( 0 )
assert type(msg) is str
handler = self.requestTable.get( msg )
assert handler is not None
except :
ctx.response( [-1] )
return
handler( payload, ctx )
def _doPing( self, args, ctx ) :
try :
peerAddr = self.rpcConn.getSock().getpeername()
except sock_error :
ctx.response( [-1] )
return
ctx.response( (0,peerAddr) )
def _doRegister( self, args, ctx ) :
try :
assert self.state == self.INITIAL
assert len(args) == 0
except :
ctx.response( (-1,'') )
return
while True :
routerId = rand_bytes( 20 )
if routerId not in self.routerState.registered : break
self.routerId = routerId
self.state = self.REGISTERED
self.routerState.registered[routerId] = self
ctx.response( (0,self.routerId) )
def _doConnect( self, args, ctx ) :
try :
assert self.state == self.INITIAL
assert len(args) == 1
routerId = args[0]
assert type(routerId) is str
handler = self.routerState.registered.get( routerId )
assert handler is not None
except :
ctx.response( [-1] )
return
while True :
connectionId = rand_bytes( 20 )
if connectionId not in self.routerState.connecting : break
self.connectionId = connectionId
self.connectCtx = ctx
self.state = self.CONNECTING
self.routerState.connecting[connectionId] = self
handler.sendIncoming( connectionId )
def finishConnect( self ) :
assert self.state == self.CONNECTING
self.connectCtx.response( [0] )
del self.routerState.connecting[self.connectionId]
del self.routerState.handlers[self]
sock = self.rpcConn.getSock()
pendingWrite = self.rpcConn.getPendingWrite()
self.rpcConn.shutdown()
self.state = self.CLOSED
return (sock,pendingWrite)
def _doAccept( self, args, ctx ) :
try :
assert self.state == self.INITIAL
assert len(args) == 1
connectionId = args[0]
assert type(connectionId) is str
handler = self.routerState.connecting.get( connectionId )
assert handler is not None
except :
ctx.response( [-1] )
return
sock1,pendingWrite1 = handler.finishConnect()
ctx.response( [0] )
del self.routerState.handlers[self]
sock2 = self.rpcConn.getSock()
pendingWrite2 = self.rpcConn.getPendingWrite()
self.rpcConn.shutdown()
self.state = self.CLOSED
BridgeInitiator( sock1, pendingWrite1, sock2, pendingWrite2, self.reactor, self.routerState )
class FileSenderWindow( QWidget ) :
SELECTINGFILES = 0
CONNECTINGCSPACE = 1
CONNECTINGUSER = 2
OFFERINGFILES = 3
def __init__( self, reactor ) :
QWidget.__init__( self )
self.ui = Ui_FileSenderWindow()
self.ui.setupUi( self )
self.reactor = reactor
self._setStatus( 'Drag and drop files to be sent...' )
self.setWindowTitle( env.contactName + ' - ' + str(self.windowTitle()) )
self.setAcceptDrops( True )
self.files = {}
self.fileItems = {}
self.connect( self.ui.fileList, SIGNAL('itemSelectionChanged()'), self._onFileSelectionChanged )
self.connect( self.ui.addFilesButton, SIGNAL('clicked()'), self._onAddClicked )
self.connect( self.ui.removeFilesButton, SIGNAL('clicked()'), self._onRemoveClicked )
self.connect( self.ui.removeAllButton, SIGNAL('clicked()'), self._onRemoveAllClicked )
self.connect( self.ui.sendFilesButton, SIGNAL('clicked()'), self._onSendFilesClicked )
self.connect( self.ui.closeButton, SIGNAL('clicked()'), self.close )
self.state = self.SELECTINGFILES
def _setStatus( self, text, isError=False ) :
lines = text.split( '\n' )
text = '<b>%s</b>' % '<br>'.join(lines)
if isError :
text = '<font color=red>%s</font>' % text
self.ui.status.setText( text )
def _setError( self, text ) :
self._setStatus( text, True )
def _removeFile( self, item ) :
info = self.fileItems.pop( item )
self.ui.fileList.takeItem( self.ui.fileList.row(item) )
fname = os.path.split( info[0] )[1]
del self.files[fname.lower()]
if not self.files :
self.ui.sendFilesButton.setEnabled( False )
self.ui.removeAllButton.setEnabled( False )
def _addFile( self, f ) :
if not os.path.isfile(f) : return False
fname = os.path.split(f)[1]
k = fname.lower()
info = self.files.get( k, None )
if info is not None :
self._removeFile( info[1] )
item = QListWidgetItem( fname, self.ui.fileList )
info = [f,item]
self.files[k] = info
self.fileItems[item] = info
self.ui.sendFilesButton.setEnabled( True )
self.ui.removeAllButton.setEnabled( True )
def _onFileSelectionChanged( self ) :
if self.state != self.SELECTINGFILES : return
selectCount = 0
for item in self.fileItems.keys() :
if self.ui.fileList.isItemSelected(item) :
selectCount += 1
self.ui.removeFilesButton.setEnabled( selectCount > 0 )
def dragEnterEvent( self, ev ) :
if self.state != self.SELECTINGFILES :
return
mimeData = ev.mimeData()
if mimeData.hasUrls() :
isLocal = True
for url in mimeData.urls() :
if url.toLocalFile().isEmpty() :
isLocal = False
if isLocal :
ev.acceptProposedAction()
def dropEvent( self, ev ) :
if self.state != self.SELECTINGFILES : return
mimeData = ev.mimeData()
if mimeData.hasUrls() :
for url in mimeData.urls() :
f = url.toLocalFile()
if not f.isEmpty() :
self._addFile( str(f) )
self._onFileSelectionChanged()
ev.acceptProposedAction()
def _onAddClicked( self ) :
defaultDir = os.path.expanduser( '~/Desktop' )
if not os.path.isdir(defaultDir) :
defaultDir = ''
openDir = localSettings().getString( 'Settings/FileSenderOpenDir' )
if (not openDir) or (not os.path.isdir(openDir)) :
openDir = defaultDir
fileList = QFileDialog.getOpenFileNames( self, 'Select file(s) to add...', openDir )
for f in fileList :
self._addFile( str(f) )
if len(fileList) :
openDir = os.path.split( str(fileList[0]) )[0]
localSettings().setString( 'Settings/FileSenderOpenDir', openDir )
self._onFileSelectionChanged()
def _onRemoveClicked( self ) :
selItems = [ i for i in self.fileItems.keys() if self.ui.fileList.isItemSelected(i) ]
for item in selItems :
self._removeFile( item )
self._onFileSelectionChanged()
def _onRemoveAllClicked( self ) :
for item in self.fileItems.keys() :
self._removeFile( item )
self._onFileSelectionChanged()
def _onSendFilesClicked( self ) :
self.setAcceptDrops( False )
self.ui.fileList.clearSelection()
self.ui.fileList.setSelectionMode( QAbstractItemView.NoSelection )
self.ui.addFilesButton.setEnabled( False )
self.ui.removeFilesButton.setEnabled( False )
self.ui.removeAllButton.setEnabled( False )
self.ui.sendFilesButton.setEnabled( False )
self._doConnect()
def _doConnect( self ) :
def onConnect( connector ) :
self.connectOp = None
if connector.getError() != 0 :
self._setError( 'Unable to connect to CSpace.' )
return
self._doConnectUser( connector.getSock() )
self.connectOp = tcpConnect( ('127.0.0.1',env.port), self.reactor, onConnect )
self._setStatus( 'Connecting to CSpace...' )
self.state = self.CONNECTINGCSPACE
def _doConnectUser( self, sock ) :
self._setStatus( 'Connecting to %s...' % env.contactName )
self.state = self.CONNECTINGUSER
def onConnect( err, sock ) :
if err < 0 :
self._setError( 'Error connecting to %s.' % env.contactName )
return
self._doOfferFiles( sock )
connector = CSpaceConnector( sock, env.contactName, 'FileTransfer',
self.reactor, onConnect )
self.connectOp = connector.getOp()
def _doOfferFiles( self, sock ) :
self._setStatus( 'Sending request ...' )
self.state = self.OFFERINGFILES
fileList = []
for row in range(self.ui.fileList.count()) :
item = self.ui.fileList.item( row )
fileList.append( self.fileItems[item][0] )
self.rpcConn = RPCConnection( sock, self.reactor )
self.switchboard = RPCSwitchboard( self.rpcConn )
self.fs = FlatFS( fileList )
self.fileServer = FileServer( self.fs, self.switchboard )
pending = {}
for i,f in enumerate(fileList) :
pending[os.path.split(f)[1].lower()] = i
def onClose() :
if pending :
self._setError( 'Disconnected.' )
else :
self._setStatus( 'Completed.' )
def onTransferStatus( payload ) :
if type(payload) is not ListType : return
if len(payload) != 4 : return
for x in payload :
if type(x) is not IntType : return
if x < 0 : return
fileId,numFiles,transferred,fileSize = payload
if numFiles != len(fileList) : return
if not (1 <= fileId <= numFiles) : return
if transferred > fileSize : return
fname = os.path.split(fileList[fileId-1])[1]
lfname = fname.lower()
pos = pending.get( lfname, None )
if pos is None : return
if transferred == fileSize :
percent = 100
del pending[lfname]
else :
percent = transferred*100 / fileSize
self._setStatus( 'Sending file (%d/%d): %s (%d%%)'
% (pos+1,len(fileList),fname,percent) )
self.switchboard.addOnewayAgent( 'TransferStatus', onTransferStatus )
self.rpcConn.setCloseCallback( onClose )
def closeEvent( self, ev ) :
ev.accept()
delaygc( self )
class FileSenderWindow(QWidget):
SELECTINGFILES = 0
CONNECTINGCSPACE = 1
CONNECTINGUSER = 2
OFFERINGFILES = 3
def __init__(self, reactor):
QWidget.__init__(self)
self.ui = Ui_FileSenderWindow()
self.ui.setupUi(self)
self.reactor = reactor
self._setStatus('Drag and drop files to be sent...')
self.setWindowTitle(env.contactName + ' - ' + str(self.windowTitle()))
self.setAcceptDrops(True)
self.files = {}
self.fileItems = {}
self.connect(self.ui.fileList, SIGNAL('itemSelectionChanged()'),
self._onFileSelectionChanged)
self.connect(self.ui.addFilesButton, SIGNAL('clicked()'),
self._onAddClicked)
self.connect(self.ui.removeFilesButton, SIGNAL('clicked()'),
self._onRemoveClicked)
self.connect(self.ui.removeAllButton, SIGNAL('clicked()'),
self._onRemoveAllClicked)
self.connect(self.ui.sendFilesButton, SIGNAL('clicked()'),
self._onSendFilesClicked)
self.connect(self.ui.closeButton, SIGNAL('clicked()'), self.close)
self.state = self.SELECTINGFILES
def _setStatus(self, text, isError=False):
lines = text.split('\n')
text = '<b>%s</b>' % '<br>'.join(lines)
if isError:
text = '<font color=red>%s</font>' % text
self.ui.status.setText(text)
def _setError(self, text):
self._setStatus(text, True)
def _removeFile(self, item):
info = self.fileItems.pop(item)
self.ui.fileList.takeItem(self.ui.fileList.row(item))
fname = os.path.split(info[0])[1]
del self.files[fname.lower()]
if not self.files:
self.ui.sendFilesButton.setEnabled(False)
self.ui.removeAllButton.setEnabled(False)
def _addFile(self, f):
if not os.path.isfile(f): return False
fname = os.path.split(f)[1]
k = fname.lower()
info = self.files.get(k, None)
if info is not None:
self._removeFile(info[1])
item = QListWidgetItem(fname, self.ui.fileList)
info = [f, item]
self.files[k] = info
self.fileItems[item] = info
self.ui.sendFilesButton.setEnabled(True)
self.ui.removeAllButton.setEnabled(True)
def _onFileSelectionChanged(self):
if self.state != self.SELECTINGFILES: return
selectCount = 0
for item in self.fileItems.keys():
if self.ui.fileList.isItemSelected(item):
selectCount += 1
self.ui.removeFilesButton.setEnabled(selectCount > 0)
def dragEnterEvent(self, ev):
if self.state != self.SELECTINGFILES:
return
mimeData = ev.mimeData()
if mimeData.hasUrls():
isLocal = True
for url in mimeData.urls():
if url.toLocalFile().isEmpty():
isLocal = False
if isLocal:
ev.acceptProposedAction()
def dropEvent(self, ev):
if self.state != self.SELECTINGFILES: return
mimeData = ev.mimeData()
if mimeData.hasUrls():
for url in mimeData.urls():
f = url.toLocalFile()
if not f.isEmpty():
self._addFile(str(f))
self._onFileSelectionChanged()
ev.acceptProposedAction()
def _onAddClicked(self):
defaultDir = os.path.expanduser('~/Desktop')
if not os.path.isdir(defaultDir):
defaultDir = ''
openDir = localSettings().getString('Settings/FileSenderOpenDir')
if (not openDir) or (not os.path.isdir(openDir)):
openDir = defaultDir
fileList = QFileDialog.getOpenFileNames(self,
'Select file(s) to add...',
openDir)
for f in fileList:
self._addFile(str(f))
if len(fileList):
openDir = os.path.split(str(fileList[0]))[0]
localSettings().setString('Settings/FileSenderOpenDir', openDir)
self._onFileSelectionChanged()
def _onRemoveClicked(self):
selItems = [
i for i in self.fileItems.keys()
if self.ui.fileList.isItemSelected(i)
]
for item in selItems:
self._removeFile(item)
self._onFileSelectionChanged()
def _onRemoveAllClicked(self):
for item in self.fileItems.keys():
self._removeFile(item)
self._onFileSelectionChanged()
def _onSendFilesClicked(self):
self.setAcceptDrops(False)
self.ui.fileList.clearSelection()
self.ui.fileList.setSelectionMode(QAbstractItemView.NoSelection)
self.ui.addFilesButton.setEnabled(False)
self.ui.removeFilesButton.setEnabled(False)
self.ui.removeAllButton.setEnabled(False)
self.ui.sendFilesButton.setEnabled(False)
self._doConnect()
def _doConnect(self):
def onConnect(connector):
self.connectOp = None
if connector.getError() != 0:
self._setError('Unable to connect to CSpace.')
return
self._doConnectUser(connector.getSock())
self.connectOp = tcpConnect(('127.0.0.1', env.port), self.reactor,
onConnect)
self._setStatus('Connecting to CSpace...')
self.state = self.CONNECTINGCSPACE
def _doConnectUser(self, sock):
self._setStatus('Connecting to %s...' % env.contactName)
self.state = self.CONNECTINGUSER
def onConnect(err, sock):
if err < 0:
self._setError('Error connecting to %s.' % env.contactName)
return
self._doOfferFiles(sock)
connector = CSpaceConnector(sock, env.contactName, 'FileTransfer',
self.reactor, onConnect)
self.connectOp = connector.getOp()
def _doOfferFiles(self, sock):
self._setStatus('Sending request ...')
self.state = self.OFFERINGFILES
fileList = []
for row in range(self.ui.fileList.count()):
item = self.ui.fileList.item(row)
fileList.append(self.fileItems[item][0])
self.rpcConn = RPCConnection(sock, self.reactor)
self.switchboard = RPCSwitchboard(self.rpcConn)
self.fs = FlatFS(fileList)
self.fileServer = FileServer(self.fs, self.switchboard)
pending = {}
for i, f in enumerate(fileList):
pending[os.path.split(f)[1].lower()] = i
def onClose():
if pending:
self._setError('Disconnected.')
else:
self._setStatus('Completed.')
def onTransferStatus(payload):
if type(payload) is not ListType: return
if len(payload) != 4: return
for x in payload:
if type(x) is not IntType: return
if x < 0: return
fileId, numFiles, transferred, fileSize = payload
if numFiles != len(fileList): return
if not (1 <= fileId <= numFiles): return
if transferred > fileSize: return
fname = os.path.split(fileList[fileId - 1])[1]
lfname = fname.lower()
pos = pending.get(lfname, None)
if pos is None: return
if transferred == fileSize:
percent = 100
del pending[lfname]
else:
percent = transferred * 100 / fileSize
self._setStatus('Sending file (%d/%d): %s (%d%%)' %
(pos + 1, len(fileList), fname, percent))
self.switchboard.addOnewayAgent('TransferStatus', onTransferStatus)
self.rpcConn.setCloseCallback(onClose)
def closeEvent(self, ev):
ev.accept()
delaygc(self)
class RouterClient( object ) :
(CLOSED,CONNECTING,CONNECTED,REGISTERING,REGISTERED) = range(5)
def __init__( self, routerAddr, reactor ) :
self.routerAddr = routerAddr
self.reactor = reactor
self.state = self.CLOSED
self.connectOp = None
self.rpcConn = None
self.pingOps = {}
self.registerOp = None
self.closeCallback = None
def setCloseCallback( self, closeCallback ) :
self.closeCallback = closeCallback
def close( self ) :
if self.state == self.CONNECTING :
self.connectOp.cancel()
self.connectOp = None
else :
for pingOp in self.pingOps.keys() :
pingOp.cancel()
self.pingOps.clear()
if self.state == self.REGISTERING :
self.registerOp.cancel()
self.registerOp = None
if self.state in (self.CONNECTED,self.REGISTERING,self.REGISTERED) :
self.rpcConn.close()
self.rpcConn = None
self.state = self.CLOSED
def enableIncoming( self, flag ) :
assert self.state == self.REGISTERED
self.rpcConn.allowIncoming( flag )
def setIncomingCallback( self, incomingCallback ) :
assert self.state == self.REGISTERED
self.incomingCallback = incomingCallback
def getRouterAddr( self ) : return self.routerAddr
def _onClose( self ) :
self.close()
if self.closeCallback :
self.closeCallback()
def connect( self, connectCallback ) :
assert self.state == self.CLOSED
def onTCPConnect( connector ) :
self.connectOp = None
if connector.getError() != 0 :
self.state = self.CLOSED
connectCallback( False )
return
self.rpcConn = RPCConnection( connector.getSock(), self.reactor )
self.rpcConn.setCloseCallback( self._onClose )
self.state = self.CONNECTED
connectCallback( True )
self.connectOp = tcpConnect( self.routerAddr, self.reactor, onTCPConnect )
self.state = self.CONNECTING
def callPing( self, pingCallback ) :
assert self.state in (self.CONNECTED,self.REGISTERING,self.REGISTERED)
def onResult( err, result) :
del self.pingOps[pingOp]
if err < 0 :
pingCallback( None )
return
assert type(result) is list
if (len(result) != 1) or (type(result[0]) is not list) :
pingCallback( None )
return
addr = tuple(result[0])
try :
validateInetAddress( addr )
except :
pingCallback( None )
return
pingCallback( addr )
pingOp = _doRPCCall( self.rpcConn, 'Ping', [], onResult )
self.pingOps[pingOp] = 1
def callRegister( self, registerCallback, incomingCallback ) :
assert self.state == self.CONNECTED
def onResult( err, result ) :
self.registerOp = None
if err < 0 :
self.state = self.CONNECTED
registerCallback( None )
return
if (len(result) != 1) or \
(type(result[0]) is not str) or (not result[0]) :
self.state = self.CONNECTED
registerCallback( None )
return
self.state = self.REGISTERED
self.routerId = result[0]
self.rpcConn.setOnewayCallback( self._onOneway )
self.incomingCallback = incomingCallback
registerCallback( self.routerId )
self.registerOp = _doRPCCall( self.rpcConn, 'Register', [], onResult )
self.state = self.REGISTERING
def _onOneway( self, payload ) :
assert self.state == self.REGISTERED
print 'oneway payload =', payload
if (type(payload) is not str) or (not payload) :
return
connectionId = payload
self.incomingCallback( connectionId )
class FileReceiverWindow( QWidget, FlashWindow ) :
def __init__( self, reactor ) :
QWidget.__init__( self )
FlashWindow.__init__( self, reactor )
self.ui = Ui_FileReceiverWindow()
self.ui.setupUi( self )
self.reactor = reactor
self.setWindowTitle( env.displayName + ' - ' + str(self.windowTitle()) )
self.connect( self.ui.acceptButton, SIGNAL('clicked()'), self._onAcceptFiles )
self.connect( self.ui.cancelButton, SIGNAL('clicked()'), self.close )
tcpConnect( ('127.0.0.1',env.port), self.reactor, self._onConnect )
self._setStatus( 'Connecting to CSpace...' )
self.disconnected = False
def _setStatus( self, text, isError=False ) :
lines = text.split( '\n' )
text = '<b>%s</b>' % '<br/>'.join(lines)
if isError :
text = '<font color=red>%s</font>' % text
self.ui.status.setText( text )
def _setError( self, text ) :
self._setStatus( text, True )
self.ui.cancelButton.setText( '&Close' )
def _onConnect( self, connector ) :
if connector.getError() != 0 :
self._setError( 'Error connecting to CSpace.' )
return
sock = connector.getSock()
self._setStatus( 'Accepting connection from %s.' % env.displayName )
CSpaceAcceptor( sock, env.connectionId, self.reactor, self._onAccept )
def _onAccept( self, err, sock ) :
if err < 0 :
self._setError( 'Error accepting connection from %s.' % env.displayName )
return
self.rpcConn = RPCConnection( sock, self.reactor )
self.fileClient = FileClient( self.rpcConn )
self._setStatus( 'Fetching file list from %s...' % env.displayName )
self.fileClient.callList( '/', self._onList )
def _onList( self, err, result ) :
if err != 0 :
self._setError( 'Error fetching file list from %s.' % env.displayName )
return
self.files = []
for x in result :
if not x.endswith('/') :
self.files.append( x )
self.ui.fileList.addItem( x )
self._setStatus( ('%s is sending the following files.\n' % env.displayName ) +
'Would you like to accept?' )
self.ui.acceptButton.setEnabled( True )
self.rpcConn.setCloseCallback( self._onClose )
self.flash()
def _onClose( self ) :
self.disconnected = True
self._setError( 'Disconnected.' )
self.ui.acceptButton.setEnabled( False )
def _chooseTargetDir( self ) :
defaultDir = os.path.expanduser( '~/Desktop' )
if not os.path.isdir(defaultDir) :
defaultDir = QString()
dir = localSettings().getString( 'Settings/FileReceiverSaveDir' )
if (not dir) or (not os.path.isdir(dir)) :
dir = defaultDir
while True :
dir = QFileDialog.getExistingDirectory( self, 'Choose directory to save the file(s)',
dir )
if dir.isEmpty() : return None
dir = str(dir)
existing = []
for f in self.files :
if os.path.exists(os.path.join(dir,f)) : existing.append(f)
if not existing : break
msg = 'The following file(s) already exist in\n%s.\nWould you like to overwrite?\n%s' % (dir,'\n'.join(existing))
result = QMessageBox.question( self, 'Overwrite Prompt', msg, QMessageBox.Yes, QMessageBox.No, QMessageBox.Cancel|QMessageBox.Escape )
if result == QMessageBox.Yes : break
if result == QMessageBox.No : continue
assert result == QMessageBox.Cancel
return None
localSettings().setString( 'Settings/FileReceiverSaveDir', dir )
return dir
def _onAcceptFiles( self ) :
self.ui.acceptButton.setEnabled( False )
targetDir = self._chooseTargetDir()
if self.disconnected : return
if not targetDir :
self.ui.acceptButton.setEnabled( True )
return
self.targetDir = targetDir
self.curFileId = 0
self.rpcConn.setCloseCallback( None )
self.statusStub = RPCStub( self.rpcConn, 'TransferStatus' )
self._doTransfer()
def _doTransfer( self ) :
if self.curFileId >= len(self.files) :
self._setStatus( 'Completed.' )
self.ui.cancelButton.setText( '&Close' )
self.rpcConn.close( deferred=True )
return
fname = self.files[self.curFileId]
self.curFileId += 1
self._setStatus( 'Receiving file(%d/%d): %s'
% (self.curFileId,len(self.files),fname) )
remotePath = '/' + fname
localPath = os.path.join( self.targetDir, fname )
try :
self.fetcher = FileFetcher( self.fileClient,
remotePath, localPath, self._onTransfer )
except (OSError, IOError), e :
self._setError( 'Error saving file: %s' % localPath )
return
class RouterServerHandler( object ) :
(INITIAL,REGISTERED,CONNECTING,CLOSED) = range(4)
def __init__( self, sock, reactor, routerState ) :
self.rpcConn = RPCConnection( sock, reactor )
self.reactor = reactor
self.routerState = routerState
self.rpcConn.setCloseCallback( self.close )
self.rpcConn.setRequestCallback( self._onRequest )
self.requestTable = {}
for msg in 'Ping Register Connect Accept'.split() :
self.requestTable[msg] = getattr( self, '_do%s' % msg )
self.routerState.handlers[self] = 1
self.state = self.INITIAL
self._lastActiveTime = time()
def close( self ) :
self.rpcConn.close()
del self.routerState.handlers[self]
if self.state == self.REGISTERED :
del self.routerState.registered[self.routerId]
elif self.state == self.CONNECTING :
del self.routerState.connecting[self.connectionId]
self.state = self.CLOSED
def lastActiveTime( self ) :
return self._lastActiveTime
def sendIncoming( self, connectionId ) :
assert self.state == self.REGISTERED
self.rpcConn.oneway( connectionId )
def _onRequest( self, payload, ctx ) :
self._lastActiveTime = time()
try :
assert type(payload) is list
assert len(payload) >= 1
msg = payload.pop( 0 )
assert type(msg) is str
handler = self.requestTable.get( msg )
assert handler is not None
except :
ctx.response( [-1] )
return
handler( payload, ctx )
def _doPing( self, args, ctx ) :
try :
peerAddr = self.rpcConn.getSock().getpeername()
except sock_error :
ctx.response( [-1] )
return
ctx.response( (0,peerAddr) )
def _doRegister( self, args, ctx ) :
try :
assert self.state == self.INITIAL
assert len(args) == 0
except :
ctx.response( (-1,'') )
return
while True :
routerId = rand_bytes( 20 )
if routerId not in self.routerState.registered : break
self.routerId = routerId
self.state = self.REGISTERED
self.routerState.registered[routerId] = self
ctx.response( (0,self.routerId) )
def _doConnect( self, args, ctx ) :
try :
assert self.state == self.INITIAL
assert len(args) == 1
routerId = args[0]
assert type(routerId) is str
handler = self.routerState.registered.get( routerId )
assert handler is not None
except :
ctx.response( [-1] )
return
while True :
connectionId = rand_bytes( 20 )
if connectionId not in self.routerState.connecting : break
self.connectionId = connectionId
self.connectCtx = ctx
self.state = self.CONNECTING
self.routerState.connecting[connectionId] = self
handler.sendIncoming( connectionId )
def finishConnect( self ) :
assert self.state == self.CONNECTING
self.connectCtx.response( [0] )
del self.routerState.connecting[self.connectionId]
del self.routerState.handlers[self]
sock = self.rpcConn.getSock()
pendingWrite = self.rpcConn.getPendingWrite()
self.rpcConn.shutdown()
self.state = self.CLOSED
return (sock,pendingWrite)
def _doAccept( self, args, ctx ) :
try :
assert self.state == self.INITIAL
assert len(args) == 1
connectionId = args[0]
assert type(connectionId) is str
handler = self.routerState.connecting.get( connectionId )
assert handler is not None
except :
ctx.response( [-1] )
return
sock1,pendingWrite1 = handler.finishConnect()
ctx.response( [0] )
del self.routerState.handlers[self]
sock2 = self.rpcConn.getSock()
pendingWrite2 = self.rpcConn.getPendingWrite()
self.rpcConn.shutdown()
self.state = self.CLOSED
BridgeInitiator( sock1, pendingWrite1, sock2, pendingWrite2, self.reactor, self.routerState )
