def createCacheService(config):
from carbon.cache import MetricCache
from carbon.conf import settings
from carbon.protocols import CacheManagementHandler
# Configure application components
events.metricReceived.addHandler(MetricCache.store)
root_service = createBaseService(config)
factory = ServerFactory()
factory.protocol = CacheManagementHandler
service = TCPServer(int(settings.CACHE_QUERY_PORT),
factory,
interface=settings.CACHE_QUERY_INTERFACE,
backlog=settings.CACHE_QUERY_BACKLOG)
service.setServiceParent(root_service)
# have to import this *after* settings are defined
from carbon.writer import WriterService
service = WriterService()
service.setServiceParent(root_service)
if settings.USE_FLOW_CONTROL:
events.cacheFull.addHandler(events.pauseReceivingMetrics)
events.cacheSpaceAvailable.addHandler(events.resumeReceivingMetrics)
return root_service
def createCacheService(config):
from carbon.cache import MetricCache, UDPForward
from carbon.conf import settings
from carbon.protocols import CacheManagementHandler
# Configure application components
events.metricReceived.addHandler(MetricCache.store)
root_service = createBaseService(config)
factory = ServerFactory()
factory.protocol = CacheManagementHandler
service = TCPServer(int(settings.CACHE_QUERY_PORT),
factory,
interface=settings.CACHE_QUERY_INTERFACE)
service.setServiceParent(root_service)
# have to import this *after* settings are defined
from carbon.writer import WriterService
service = WriterService()
service.setServiceParent(root_service)
# Turn on UDP forwarding
if settings.ENABLE_UDP_FORWARDING:
udp_forward = UDPForward()
events.metricReceived.addHandler(udp_forward.sendDatapoint)
if settings.USE_FLOW_CONTROL:
events.cacheFull.addHandler(events.pauseReceivingMetrics)
events.cacheSpaceAvailable.addHandler(events.resumeReceivingMetrics)
return root_service
def setupWriterProcessor(root_service, settings):
from carbon import cache # Register CacheFeedingProcessor
from carbon.protocols import CacheManagementHandler
from carbon.writer import WriterService
from carbon import events
factory = ServerFactory()
factory.protocol = CacheManagementHandler
service = TCPServer(settings.CACHE_QUERY_PORT, factory, interface=settings.CACHE_QUERY_INTERFACE)
service.setServiceParent(root_service)
writer_service = WriterService()
writer_service.setServiceParent(root_service)
if settings.USE_FLOW_CONTROL:
events.cacheFull.addHandler(events.pauseReceivingMetrics)
events.cacheSpaceAvailable.addHandler(events.resumeReceivingMetrics)
def setupWriterProcessor(root_service, settings):
from carbon import cache # NOQA Register CacheFeedingProcessor
from carbon.protocols import CacheManagementHandler
from carbon.writer import WriterService
factory = ServerFactory()
factory.protocol = CacheManagementHandler
service = TCPServer(settings.CACHE_QUERY_PORT,
factory,
interface=settings.CACHE_QUERY_INTERFACE)
service.setServiceParent(root_service)
writer_service = WriterService()
writer_service.setServiceParent(root_service)
if settings.USE_FLOW_CONTROL:
events.cacheFull.addHandler(events.pauseReceivingMetrics)
events.cacheSpaceAvailable.addHandler(events.resumeReceivingMetrics)