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#!/usr/bin/python3
#
# Copyright (C) by Klaas Freitag <freitag@owncloud.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
import os
import urllib
import socket
from gi.repository import GObject, Nautilus
class syncStateExtension(GObject.GObject, Nautilus.ColumnProvider, Nautilus.InfoProvider):
nautilusVFSFile_table = {}
registered_paths = {}
remainder = ''
connected = False
watch_id = 0
appname = 'ownCloud'
def __init__(self):
self.connectToSocketServer
if not self.connected:
# try again in 5 seconds - attention, logic inverted!
GObject.timeout_add(5000, self.connectToSocketServer)
def connectToSocketServer(self):
do_reconnect = True
try:
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
postfix = "/"+self.appname+"/socket"
sock_file = os.environ["XDG_RUNTIME_DIR"]+postfix
print ("XXXX " + sock_file + " <=> " + postfix)
if sock_file != postfix:
try:
print("Socket File: "+sock_file)
self.sock.connect(sock_file)
self.connected = True
print("Setting connected to %r" % self.connected )
self.watch_id = GObject.io_add_watch(self.sock, GObject.IO_IN, self.handle_notify)
do_reconnect = False
except Exception, e:
print("Could not connect to unix socket." + str(e))
else:
print("Sock-File not valid: "+sock_file)
except Exception, e:
print("Connect could not be established, try again later " + str(e))
self.sock.close()
# print("Returning %r" % do_reconnect)
return do_reconnect
def sendCommand(self, cmd):
if self.connected:
try:
self.sock.send(cmd)
except:
print("Sending failed.")
GObject.source_remove(self.watch_id)
self.connected = False
GObject.timeout_add(5000, self.connectToSocketServer)
def find_item_for_file(self, path):
if path in self.nautilusVFSFile_table:
return self.nautilusVFSFile_table[path]
else:
return None
def askForOverlay(self, file):
# print("Asking for overlay for "+file)
if os.path.isdir(file):
folderStatus = self.sendCommand("RETRIEVE_FOLDER_STATUS:"+file+"\n");
if os.path.isfile(file):
fileStatus = self.sendCommand("RETRIEVE_FILE_STATUS:"+file+"\n");
def invalidate_items_underneath(self, path):
update_items = []
if not self.nautilusVFSFile_table:
self.askForOverlay(path)
else:
for p in self.nautilusVFSFile_table:
if p == path or p.startswith(path):
item = self.nautilusVFSFile_table[p]['item']
update_items.append(item)
for item in update_items:
item.invalidate_extension_info()
# Handles a single line of server respoonse and sets the emblem
def handle_server_response(self, l):
Emblems = { 'OK' : self.appname +'_ok',
'SYNC' : self.appname +'_sync',
'NEW' : self.appname +'_sync',
'IGNORE' : self.appname +'_warn',
'ERROR' : self.appname +'_error',
'OK+SWM' : self.appname +'_ok_shared',
'SYNC+SWM' : self.appname +'_sync_shared',
'NEW+SWM' : self.appname +'_sync_shared',
'IGNORE+SWM': self.appname +'_warn_shared',
'ERROR+SWM' : self.appname +'_error_shared',
'NOP' : self.appname +'_error'
}
print("Server response: "+l)
parts = l.split(':')
if len(parts) > 0:
action = parts[0]
# file = parts[1]
# print "Action for " + file + ": "+parts[0]
if action == 'STATUS':
newState = parts[1]
emblem = Emblems[newState]
if emblem:
itemStore = self.find_item_for_file(parts[2])
if itemStore:
if( not itemStore['state'] or newState != itemStore['state'] ):
item = itemStore['item']
item.add_emblem(emblem)
# print "Setting emblem on " + parts[2]+ "<>"+emblem+"<>"
self.nautilusVFSFile_table[parts[2]] = {'item': item, 'state':newState}
elif action == 'UPDATE_VIEW':
# Search all items underneath this path and invalidate them
if parts[1] in self.registered_paths:
self.invalidate_items_underneath(parts[1])
elif action == 'REGISTER_PATH':
self.registered_paths[parts[1]] = 1
self.invalidate_items_underneath(parts[1])
elif action == 'UNREGISTER_PATH':
del self.registered_paths[parts[1]]
self.invalidate_items_underneath(parts[1])
# check if there are non pathes any more, if so, its usual
# that mirall went away. Try reconnect.
if not self.registered_paths:
self.sock.close()
self.connected = False
GObject.source_remove(self.watch_id)
GObject.timeout_add(5000, self.connectToSocketServer)
else:
# print "We got unknown action " + action
1
# notify is the raw answer from the socket
def handle_notify(self, source, condition):
data = source.recv(1024)
# prepend the remaining data from last call
if len(self.remainder) > 0:
data = self.remainder+data
self.remainder = ''
if len(data) > 0:
# remember the remainder for next round
lastNL = data.rfind('\n');
if lastNL > -1 and lastNL < len(data):
self.remainder = data[lastNL+1:]
data = data[:lastNL]
for l in data.split('\n'):
self.handle_server_response(l)
else:
return False
return True # run again
def get_local_path(self, path):
return path.replace("file://", "")
def update_file_info(self, item):
if item.get_uri_scheme() != 'file':
return
filename = urllib.unquote(item.get_uri()[7:])
if item.is_directory():
filename += '/'
for reg_path in self.registered_paths:
if filename.startswith(reg_path):
self.nautilusVFSFile_table[filename] = {'item': item, 'state':''}
# item.add_string_attribute('share_state', "share state")
self.askForOverlay(filename)
break
else:
# print("Not in scope:"+filename)
pass
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