def __send_frame(self, command, headers={}, payload=''):
"""
Send a STOMP frame.
\param command
the frame command
\param headers
a map of headers (key-val pairs)
\param payload
the message payload
"""
if type(payload) == dict:
headers["transformation"] = "jms-map-xml"
payload = self.__convert_dict(payload)
if payload:
payload = encode(payload)
if hasbyte(0, payload):
headers.update({'content-length': len(payload)})
if self.__socket is not None:
try:
frame = []
if command is not None:
frame.append(command + '\n')
for key, val in headers.items():
frame.append('%s:%s\n' % (key, val))
frame.append('\n')
if payload:
frame.append(payload)
if command is not None:
# only send the terminator if we're sending a command (heartbeats have no term)
frame.append(NULL)
frame = pack(frame)
self.__socket_semaphore.acquire()
try:
socksend(self.__socket, frame)
log.debug("Sent frame: type=%s, headers=%r, body=%r" %
(command, headers, payload))
finally:
self.__socket_semaphore.release()
except Exception:
_, e, _ = sys.exc_info()
log.error("Error sending frame: %s" % e)
raise e
else:
raise exception.NotConnectedException()
def send(self, destination, body, content_type=None, headers={}, **keyword_headers):
assert destination is not None, "'destination' is required"
assert body is not None, "'body' is required"
headers = utils.merge_headers([headers, keyword_headers])
headers[HDR_DESTINATION] = destination
if content_type:
headers[HDR_CONTENT_TYPE] = content_type
body = encode(body)
if HDR_CONTENT_LENGTH not in headers and hasbyte(0, body):
headers[HDR_CONTENT_LENGTH] = len(body)
self.__send_frame(CMD_SEND, headers, body)
def send(self, destination, body, content_type=None, headers={}, **keyword_headers):
assert destination is not None, "'destination' is required"
assert body is not None, "'body' is required"
headers = utils.merge_headers([headers, keyword_headers])
headers[HDR_DESTINATION] = destination
if content_type:
headers[HDR_CONTENT_TYPE] = content_type
body = encode(body)
if HDR_CONTENT_LENGTH not in headers and hasbyte(0, body):
headers[HDR_CONTENT_LENGTH] = len(body)
self.send_frame(CMD_SEND, headers, body)
def __send_frame(self, command, headers={}, payload=''):
"""
Send a STOMP frame.
\param command
the frame command
\param headers
a map of headers (key-val pairs)
\param payload
the message payload
"""
if type(payload) == dict:
headers["transformation"] = "jms-map-xml"
payload = self.__convert_dict(payload)
if payload:
payload = encode(payload)
if hasbyte(0, payload):
headers.update({'content-length': len(payload)})
if self.__socket is not None:
try:
frame = [ ]
if command is not None:
frame.append(command + '\n')
for key, val in headers.items():
frame.append('%s:%s\n' % (key, val))
frame.append('\n')
if payload:
frame.append(payload)
if command is not None:
# only send the terminator if we're sending a command (heartbeats have no term)
frame.append(NULL)
frame = pack(frame)
self.__socket_semaphore.acquire()
try:
socksend(self.__socket, frame)
log.debug("Sent frame: type=%s, headers=%r, body=%r" % (command, headers, payload))
finally:
self.__socket_semaphore.release()
except Exception:
_, e, _ = sys.exc_info()
log.error("Error sending frame: %s" % e)
raise e
else:
raise exception.NotConnectedException()
