def handle_job_finished(self):
data = self._extract_data_from_message((yield self.read_message()))
if not Request.is_valid(data, Request.Command.JOB_FINISHED):
if Request.is_valid(data, Request.Command.JOB_FAILED):
_logger.warn("[%s] Job failed!" % CLIENT)
request = Request.request_from_data(data)
ConverterWebSocketHandler.notify(NotificationType.JOB_FAILED,
request.args)
return
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
_logger.info("[%s]: Received file transfer notification" % SERVER)
job_ID = int(request.args[Request.ARGS_JOB_ID])
file_name = str(job_ID) + CATROBAT_FILE_EXT
file_size = int(request.args[Request.ARGS_FILE_SIZE])
file_hash = request.args[Request.ARGS_FILE_HASH]
_logger.info("[%s]: Job ID: %d, File size: %d, SHA256: %s" %
(CLIENT, job_ID, file_size, file_hash))
if file_size == 0:
raise TCPConnectionException("Cannot transfer empty file...",
context=request.args)
_logger.debug("[%s]: Reply: Accepted!" % SERVER)
yield self.send_message(
Reply(result=True, msg="Ready for file transfer!"))
download_dir = self.server.settings["download_dir"]
file_path = os.path.join(download_dir, file_name)
max_input_buffer_size = int(
self.server.settings["max_input_buffer_size"])
with open(file_path, 'wb+', 0) as f:
if file_size <= max_input_buffer_size:
f.write((yield self.read_bytes(file_size)))
else:
transfered_bytes = 0
while transfered_bytes < file_size:
buffer_size = min((file_size - transfered_bytes),
max_input_buffer_size)
f.write((yield self.read_bytes(buffer_size)))
transfered_bytes += buffer_size
f.seek(0, 0)
computed_file_hash = hashlib.sha256(f.read()).hexdigest()
if computed_file_hash != file_hash:
raise TCPConnectionException(
"Given hash value is not equal to computed hash value.",
context=request.args)
_logger.debug("[%s]: Reply: Accepted!" % SERVER)
_logger.info(
"OK! Hash is equal to computed hash value. Finished file transfer!"
)
yield self.send_message(Reply(result=True, msg="OK! Hash is equal to computed " \
"hash value. Finished file transfer!"))
ConverterWebSocketHandler.notify(NotificationType.JOB_FINISHED,
request.args)
def handle_job_output_notification(self, data):
if not Request.is_valid(data, Request.Command.JOB_OUTPUT_NOTIFICATION):
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
_logger.debug("[%s]: Received job output notification" % SERVER)
for line in request.args[Request.ARGS_LINES]:
_logger.debug("[%s]: %s" % (CLIENT, line))
# _logger.debug("[%s]: Reply: Accepted!" % SERVER)
# yield self.send_message(Reply(result=True, msg="ACK"))
ConverterWebSocketHandler.notify(NotificationType.JOB_OUTPUT, request.args)
def handle_job_output_notification(self, data):
if not Request.is_valid(data, Request.Command.JOB_OUTPUT_NOTIFICATION):
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
_logger.debug("[%s]: Received job output notification" % SERVER)
for line in request.args[Request.ARGS_LINES]:
_logger.debug("[%s]: %s" % (CLIENT, line))
# _logger.debug("[%s]: Reply: Accepted!" % SERVER)
# yield self.send_message(Reply(result=True, msg="ACK"))
ConverterWebSocketHandler.notify(NotificationType.JOB_OUTPUT, request.args)
def handle_exception(self, exception, msg):
_logger.error("{}!".format(msg))
_logger.exception(exception)
yield self.send_message(Reply(result=False, msg="{}! Closing connection.".format(msg)))
if isinstance(exception, TCPConnectionException) and exception.context != None:
args = exception.context
args["msg"] = msg
ConverterWebSocketHandler.notify(NotificationType.JOB_FAILED, args)
else:
ConverterWebSocketHandler.notify(NotificationType.JOB_FAILED, { "msg": msg })
self.connection.print_error_and_close_stream()
def handle_job_started_notification(self):
data = self._extract_data_from_message((yield self.read_message()))
if not Request.is_valid(data, Request.Command.JOB_STARTED_NOTIFICATION):
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
_logger.info("[%s]: Received job start notification" % SERVER)
_logger.info("[%s]: Title of Scratch program: '%s'" % (CLIENT, unicode(request.args[Request.ARGS_TITLE])))
_logger.debug("[%s]: Reply: Accepted!" % SERVER)
yield self.send_message(Reply(result=True, msg="ACK"))
ConverterWebSocketHandler.notify(NotificationType.JOB_STARTED, request.args)
def handle_exception(self, exception, msg):
_logger.error("{}!".format(msg))
_logger.exception(exception)
yield self.send_message(Reply(result=False, msg="{}! Closing connection.".format(msg)))
if isinstance(exception, TCPConnectionException) and exception.context != None:
args = exception.context
args["msg"] = msg
ConverterWebSocketHandler.notify(NotificationType.JOB_FAILED, args)
else:
ConverterWebSocketHandler.notify(NotificationType.JOB_FAILED, { "msg": msg })
self.connection.print_error_and_close_stream()
def handle_job_started_notification(self):
data = self._extract_data_from_message((yield self.read_message()))
if not Request.is_valid(data, Request.Command.JOB_STARTED_NOTIFICATION):
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
_logger.info("[%s]: Received job start notification" % SERVER)
_logger.info("[%s]: Title of Scratch program: '%s'" % (CLIENT, unicode(request.args[Request.ARGS_TITLE])))
_logger.debug("[%s]: Reply: Accepted!" % SERVER)
yield self.send_message(Reply(result=True, msg="ACK"))
ConverterWebSocketHandler.notify(NotificationType.JOB_STARTED, request.args)
def handle_job_progress_notification(self, data):
if not Request.is_valid(data, Request.Command.JOB_PROGRESS_NOTIFICATION):
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
if not isinstance(request.args[Request.ARGS_PROGRESS], int):
raise TCPConnectionException("Progress parameter must be of type int!")
_logger.debug("[%s]: Received job progress notification (Progress: %d%%)"
% (SERVER, request.args[Request.ARGS_PROGRESS]))
# _logger.debug("[%s]: Reply: Accepted!" % SERVER)
# yield self.send_message(Reply(result=True, msg="ACK"))
ConverterWebSocketHandler.notify(NotificationType.JOB_PROGRESS, request.args)
def handle_job_progress_notification(self, data):
if not Request.is_valid(data, Request.Command.JOB_PROGRESS_NOTIFICATION):
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
if not isinstance(request.args[Request.ARGS_PROGRESS], int):
raise TCPConnectionException("Progress parameter must be of type int!")
_logger.debug("[%s]: Received job progress notification (Progress: %d%%)"
% (SERVER, request.args[Request.ARGS_PROGRESS]))
# _logger.debug("[%s]: Reply: Accepted!" % SERVER)
# yield self.send_message(Reply(result=True, msg="ACK"))
ConverterWebSocketHandler.notify(NotificationType.JOB_PROGRESS, request.args)
def handle_job_conversion_finished_notification(self, data):
if data == None or not Request.is_valid(data, Request.Command.JOB_CONVERSION_FINISHED_NOTIFICATION):
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
_logger.info("[%s]: Received job finished notification" % SERVER)
_logger.info("[%s]: %s " % (CLIENT, request.args[Request.ARGS_MSG]))
exit_code = int(request.args[Request.ARGS_RESULT])
_logger.info("[%s]: Job finished with exit code: %d" % (SERVER, exit_code))
if exit_code != 0:
raise TCPConnectionException("Job failed with exit code: %d" % exit_code, context=request.args)
_logger.debug("[%s]: Reply: Accepted!" % SERVER)
yield self.send_message(Reply(result=True, msg="ACK"))
ConverterWebSocketHandler.notify(NotificationType.JOB_CONVERSION_FINISHED, request.args)
def handle_job_conversion_finished_notification(self, data):
if data == None or not Request.is_valid(data, Request.Command.JOB_CONVERSION_FINISHED_NOTIFICATION):
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
_logger.info("[%s]: Received job finished notification" % SERVER)
_logger.info("[%s]: %s " % (CLIENT, request.args[Request.ARGS_MSG]))
exit_code = int(request.args[Request.ARGS_RESULT])
_logger.info("[%s]: Job finished with exit code: %d" % (SERVER, exit_code))
if exit_code != 0:
raise TCPConnectionException("Job failed with exit code: %d" % exit_code, context=request.args)
_logger.debug("[%s]: Reply: Accepted!" % SERVER)
yield self.send_message(Reply(result=True, msg="ACK"))
ConverterWebSocketHandler.notify(NotificationType.JOB_CONVERSION_FINISHED, request.args)
def handle_job_finished(self):
data = self._extract_data_from_message((yield self.read_message()))
if not Request.is_valid(data, Request.Command.JOB_FINISHED):
if Request.is_valid(data, Request.Command.JOB_FAILED):
_logger.warn("[%s] Job failed!" % CLIENT)
request = Request.request_from_data(data)
ConverterWebSocketHandler.notify(NotificationType.JOB_FAILED, request.args)
return
raise TCPConnectionException("Invalid data given!")
request = Request.request_from_data(data)
_logger.info("[%s]: Received file transfer notification" % SERVER)
job_ID = int(request.args[Request.ARGS_JOB_ID])
file_name = str(job_ID) + CATROBAT_FILE_EXT
file_size = int(request.args[Request.ARGS_FILE_SIZE])
file_hash = request.args[Request.ARGS_FILE_HASH]
_logger.info("[%s]: Job ID: %d, File size: %d, SHA256: %s"
% (CLIENT, job_ID, file_size, file_hash))
if file_size == 0:
raise TCPConnectionException("Cannot transfer empty file...", context=request.args)
_logger.debug("[%s]: Reply: Accepted!" % SERVER)
yield self.send_message(Reply(result=True, msg="Ready for file transfer!"))
download_dir = self.server.settings["download_dir"]
file_path = os.path.join(download_dir, file_name)
max_input_buffer_size = int(self.server.settings["max_input_buffer_size"])
with open(file_path, 'wb+', 0) as f:
if file_size <= max_input_buffer_size:
f.write((yield self.read_bytes(file_size)))
else:
transfered_bytes = 0
while transfered_bytes < file_size:
buffer_size = min((file_size - transfered_bytes), max_input_buffer_size)
f.write((yield self.read_bytes(buffer_size)))
transfered_bytes += buffer_size
f.seek(0, 0)
computed_file_hash = hashlib.sha256(f.read()).hexdigest()
if computed_file_hash != file_hash:
raise TCPConnectionException("Given hash value is not equal to computed hash value.", context=request.args)
_logger.debug("[%s]: Reply: Accepted!" % SERVER)
_logger.info("OK! Hash is equal to computed hash value. Finished file transfer!")
yield self.send_message(Reply(result=True, msg="OK! Hash is equal to computed " \
"hash value. Finished file transfer!"))
ConverterWebSocketHandler.notify(NotificationType.JOB_FINISHED, request.args)
