def sendRejectRsp(self, system_id, s_type, reason):
"""Send a Reject Response to the remote host
:param system_id: System of the request to reply for
:type system_id: integer
:param s_type: s_type of rejected message
:type s_type: integer
:param reason: reason for rejection
:type reason: integer
"""
packet = hsmsPacket(hsmsRejectReqHeader(system_id, s_type, reason))
self.connection.send_packet(packet)
def on_connection_packet_received(self, packet):
"""Packet received by connection
:param packet: received data packet
:type packet: :class:`secsgem.hsmsPackets.hsmsPacket`
"""
if packet.header.sType > 0:
self.logger.info("< %s\n %s", packet, hsmsSTypes[packet.header.sType])
# check if it is a select request
if packet.header.sType == 0x01:
# if we are disconnecting send reject else send response
if self.connection.disconnecting:
self.sendRejectRsp(packet.header.system, packet.header.sType, 4)
else:
self.sendSelectRsp(packet.header.system)
# update connection state
self.connectionState.select()
# check if it is a select response
elif packet.header.sType == 0x02:
# update connection state
self.connectionState.select()
# queue packet to notify waiting threads
self._queuePacket(packet)
# check if it is a deselect request
elif packet.header.sType == 0x03:
# if we are disconnecting send reject else send response
if self.connection.disconnecting:
self.sendRejectRsp(packet.header.system, packet.header.sType, 4)
else:
self.sendDeselectRsp(packet.header.system)
# update connection state
self.connectionState.deselect()
elif packet.header.sType == 0x04:
# update connection state
self.connectionState.deselect()
# queue packet to notify waiting threads
self._queuePacket(packet)
# check if it is a linktest request
elif packet.header.sType == 0x05:
# if we are disconnecting send reject else send response
if self.connection.disconnecting:
self.sendRejectRsp(packet.header.system, packet.header.sType, 4)
else:
self.sendLinktestRsp(packet.header.system)
else:
# queue packet if not handeled
self._queuePacket(packet)
else:
if not self.connectionState.isstate("SELECTED"):
self.logger.info("< %s", packet)
self.logger.warning("received message when not selected")
self.connection.send_packet(hsmsPacket(hsmsRejectReqHeader(packet.header.system, packet.header.sType, 4)))
return True
# redirect packet to hsms handler
if hasattr(self, '_onHsmsPacketReceived') and callable(getattr(self, '_onHsmsPacketReceived')):
self._onHsmsPacketReceived(packet)
else:
self.logger.info("< %s", packet)