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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# 
#   http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing,
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# specific language governing permissions and limitations
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import logging
import threading
import time

from tashi import createClient

class AccountingService(object):
        """RPC service for the Accounting service"""
        
        def __init__(self, config):
            self.log = logging.getLogger(__name__)
            self.log.setLevel(logging.INFO)

	    self.config = config

	    self.pollSleep = None

	    # XXXstroucki new python has fallback values
	    try:
		    self.pollSleep = self.config.getint("AccountingService", "pollSleep")
	    except:
		    pass

	    if self.pollSleep is None:
		    self.pollSleep = 600

            self.cm = createClient(config)
            threading.Thread(target=self.__start).start()

	# remote
        def record(self, strings):
            for string in strings:
                self.log.info("Remote: %s" % (string))

        def __start(self):
            while True:
                try:
                    instances = self.cm.getInstances()
                    for instance in instances:
                        # XXXstroucki this currently duplicates what the CM was doing.
                        self.log.info('Accounting: id %d host %d vmId %d user %d cores %d memory %d' % (instance.id, instance.hostId, instance.vmId, instance.userId, instance.cores, instance.memory))
                except:
                    self.log.warning("Accounting iteration failed")

                        
                # wait to do the next iteration
                time.sleep(self.pollSleep)