98 lines
3.2 KiB
Python
98 lines
3.2 KiB
Python
# standard python libs
|
|
from logging import getLogger, CRITICAL, ERROR, WARNING, INFO, DEBUG
|
|
import uuid
|
|
|
|
#related
|
|
from eventlet import api
|
|
|
|
# pyogp
|
|
from pyogp.lib.base.datamanager import DataManager
|
|
# pyogp messaging
|
|
from pyogp.lib.base.message.message_handler import MessageHandler
|
|
from pyogp.lib.base.message.packets import *
|
|
from pyogp.lib.base.utilities.helpers import Helpers
|
|
from pyogp.lib.base.exc import NotImplemented
|
|
from pyogp.lib.base.objects import Object
|
|
from pyogp.lib.base.datatypes import *
|
|
|
|
|
|
# initialize logging
|
|
logger = getLogger('pyogp.lib.base.assets')
|
|
log = logger.log
|
|
|
|
class AssetManager(DataManager):
|
|
"""
|
|
The AssetManager class handles the assets of an Agent() instance
|
|
|
|
Sample implementations:
|
|
Tests:
|
|
"""
|
|
|
|
def __init__(self, agent, settings = None):
|
|
super(AssetManager, self).__init__(agent, settings)
|
|
self.requests = [] # queue of requests?
|
|
self.assets = {} # indexed by assetID?
|
|
|
|
def enable_callbacks(self):
|
|
self.agent.region.message_handler.register('TransferInfo').subscribe(self.onTransferInfo)
|
|
self.agent.region.message_handler.register('TransferPacket').subscribe(self.onTransferPacket)
|
|
|
|
def request_asset(self, assetID, assetType, isPriority):
|
|
self.requests.append(Asset(assetID, assetType, isPriority))
|
|
packet = TransferRequestPacket()
|
|
#TransferInfo
|
|
transferID = UUID() #associate the assetID with the transferID
|
|
transferID.random()
|
|
packet.TransferInfo['TransferID'] = transferID
|
|
packet.TransferInfo['ChannelType'] = 2
|
|
packet.TransferInfo['SourceType'] = 2
|
|
if isPriority:
|
|
packet.TransferInfo['Priority'] = 1.0
|
|
else:
|
|
packet.TransferInfo['Priority'] = 0.0
|
|
packet.TransferInfo['Params'] = assetID.get_bytes() \
|
|
+ Helpers().int_to_bytes(5) #FIXME <-assetID & type endianness of type may not be correct
|
|
self.agent.region.enqueue_message(packet())
|
|
return transferID
|
|
|
|
def onTransferInfo(self, packet):
|
|
log(INFO, "TransferInfo received %s" % packet)
|
|
#raise NotImplemented("onTranferInfo")
|
|
|
|
def onTransferPacket(self, packet):
|
|
# fill in data for Asset in the requests queue and pop it off and story in assets dict
|
|
log(INFO, "TransferPacket received %s" % packet)
|
|
#raise NotImplemented("onTransferPacket")
|
|
|
|
def get_asset(self, xxxID):
|
|
raise NotImplemented("get_asset")
|
|
|
|
def pending_downloads(self):
|
|
if len(self.requests) > 0:
|
|
return True
|
|
return False
|
|
|
|
class Asset(object):
|
|
def __init__(self, assetID, assetType, isPriority):
|
|
self.assetID = assetID
|
|
self.assetType = assetID
|
|
self.isPriority = isPriority
|
|
self.data = None
|
|
"""
|
|
Contributors can be viewed at:
|
|
http://svn.secondlife.com/svn/linden/projects/2008/pyogp/CONTRIBUTORS.txt
|
|
|
|
$LicenseInfo:firstyear=2008&license=apachev2$
|
|
|
|
Copyright 2009, Linden Research, Inc.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License").
|
|
You may obtain a copy of the License at:
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
or in
|
|
http://svn.secondlife.com/svn/linden/projects/2008/pyogp/LICENSE.txt
|
|
|
|
$/LicenseInfo$
|
|
"""
|
|
|