def part_download_finished(self, file_id, part_num):
file_id = str(file_id)
FilesManager.set_status_part_for_file(file_id, part_num, "completed")
if self.download_queues.has_key(file_id):
queue = self.download_queues[file_id]
if queue:
queue.emit(SIGNAL("part_download_finished"), file_id, part_num)
def download_part(self, peer_ip, peer_port, file_id, file_part):
FilesManager.set_status_part_for_file(file_id, file_part, "downloading")
downloadSocket = connect_socket(peer_ip, peer_port)
downloadSocket.send("RETP"+format_fileid(file_id)+format_partnum(file_part))
#downloadSocket.send(format_fileid(file_id))
#downloadSocket.send(format_partnum(file_part))
# Star a thread that will take care of the download and of the socket management
f = FilesManager.find_file_by_id(file_id)
dlThread = DownloadThread(downloadSocket, f.filename, f.id, file_part, peer_ip, self, self.ui_handler)
dlThread.start()
self.download_threads.append(dlThread)
def run(self):
command = str(read_from_socket(self._socket, 4))
if command == "AREP":
klog("Received AREP")
chunk_number = int(read_from_socket(self._socket, 6))
#try:
klog("Download started")
klog("chunk number: " + str(chunk_number))
newFile = open(FilesManager.get_filepart_path_from_file(self._file_id, self._file_part), "wb") # a = append, b = binary mode
for i in range(0, chunk_number):
chunk_length = read_from_socket(self._socket, 5)
chunk_length = int(chunk_length)
chunk_data = read_from_socket(self._socket, chunk_length)
newFile.write(chunk_data)
percent = i* 100/chunk_number
self._ui_handler.download_file_changed(self._filename, self._file_id, self._file_part, self._peer_ip, percent)
newFile.close()
self._ui_handler.download_file_changed(self._filename, self._file_id, self._file_part, self._peer_ip, 100)
klog("Download completed")
f = FilesManager.find_file_by_id(self._file_id)
self._request_emitter.part_download_finished(self._file_id, self._file_part)
self._request_emitter.register_part_to_tracker(f, self._file_part)
# except Exception, ex:
# klog("An exception has occurred: "+str(ex))
else:
FilesManager.set_status_part_for_file(self._file_id, self._file_part, "empty")
self._socket.close()
