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109 lines
No EOL
3.8 KiB
Python
109 lines
No EOL
3.8 KiB
Python
"""
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Certain periodic packets are sent by connected MUDs (is-alive, user-cache,
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etc). The IMC2 protocol assumes that each connected MUD will capture these and
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populate/maintain their own lists of other servers connected. This module
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contains stuff like this.
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"""
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from time import time
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class IMC2Mud(object):
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"""
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Stores information about other games connected to our current IMC2 network.
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"""
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def __init__(self, packet):
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self.name = packet.origin
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self.versionid = packet.optional_data.get('versionid', None)
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self.networkname = packet.optional_data.get('networkname', None)
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self.url = packet.optional_data.get('url', None)
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self.host = packet.optional_data.get('host', None)
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self.port = packet.optional_data.get('port', None)
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self.sha256 = packet.optional_data.get('sha256', None)
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# This is used to determine when a Mud has fallen into inactive status.
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self.last_updated = time()
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class IMC2MudList(object):
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"""
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Keeps track of other MUDs connected to the IMC network.
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"""
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def __init__(self):
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# Mud list is stored in a dict, key being the IMC Mud name.
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self.mud_list = {}
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def get_mud_list(self):
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"""
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Returns a sorted list of connected Muds.
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"""
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muds = self.mud_list.items()
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muds.sort()
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return [value for key, value in muds]
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def update_mud_from_packet(self, packet):
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"""
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This grabs relevant info from the packet and stuffs it in the
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Mud list for later retrieval.
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"""
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mud = IMC2Mud(packet)
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self.mud_list[mud.name] = mud
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def remove_mud_from_packet(self, packet):
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"""
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Removes a mud from the Mud list when given a packet.
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"""
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mud = IMC2Mud(packet)
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try:
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del self.mud_list[mud.name]
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except KeyError:
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# No matching entry, no big deal.
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pass
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class IMC2Channel(object):
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"""
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Stores information about channels available on the network.
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"""
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def __init__(self, packet):
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self.name = packet.optional_data.get('localname', None)
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self.full_name = packet.optional_data.get('channel', None)
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self.level = packet.optional_data.get('level', None)
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self.owner = packet.optional_data.get('owner', None)
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self.policy = packet.optional_data.get('policy', None)
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self.last_updated = time()
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class IMC2ChanList(object):
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"""
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Keeps track of other MUDs connected to the IMC network.
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"""
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def __init__(self):
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# Chan list is stored in a dict, key being the IMC Mud name.
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self.chan_list = {}
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def get_channel_list(self):
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"""
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Returns a sorted list of cached channels.
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"""
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channels = self.chan_list.items()
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channels.sort()
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return [value for key, value in channels]
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def update_channel_from_packet(self, packet):
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"""
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This grabs relevant info from the packet and stuffs it in the
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channel list for later retrieval.
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"""
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channel = IMC2Channel(packet)
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self.chan_list[channel.name] = channel
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def remove_channel_from_packet(self, packet):
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"""
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Removes a channel from the Channel list when given a packet.
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"""
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channel = IMC2Channel(packet)
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try:
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del self.chan_list[channel.name]
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except KeyError:
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# No matching entry, no big deal.
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pass
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# Use this instance to keep track of the other games on the network.
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IMC2_MUDLIST = IMC2MudList()
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# Tracks the list of available channels on the network.
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IMC2_CHANLIST = IMC2ChanList() |