Created
February 27, 2014 16:56
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| module Protobuf | |
| module Rpc | |
| class LogSubscriber < ::ActiveSupport::Subscriber | |
| include ::Protobuf::Logging | |
| TIMING_FORMAT = '%s: %.1fms'.freeze | |
| RECEIVED_FORMAT = '[%s] Received %s#%s from %s'.freeze | |
| COMPLETED_FORMAT = '[%s] Completed in %.1fms (%s)'.freeze | |
| def decode_request(event) | |
| add_timing('Decode', event) | |
| end | |
| def dispatch_request(event) | |
| add_timing('Dispatch', event) | |
| end | |
| def encode_request(event) | |
| add_timing('Encode', event) | |
| end | |
| def handle_request(event) | |
| logger.info do | |
| COMPLETED_FORMAT % [ | |
| thread_id, | |
| event.duration, | |
| event.children.map { |child| child.payload['timing'] }.compact.join(' | ') | |
| ] | |
| end | |
| end | |
| def finish(name, id, env) | |
| super | |
| if name == "decode_request.protobuf" | |
| logger.info do | |
| RECEIVED_FORMAT % [ | |
| thread_id, | |
| env['service_name'] || "Unknown", | |
| env['method_name'] || "unknown", | |
| env['client_host'] | |
| ] | |
| end | |
| end | |
| end | |
| private | |
| def add_timing(label, event) | |
| event.payload['timing'] = TIMING_FORMAT % [label, event.duration] | |
| end | |
| def thread_id | |
| Thread.current.object_id.to_s(36) | |
| end | |
| end | |
| end | |
| end | |
| ::Protobuf::Rpc::LogSubscriber.attach_to 'protobuf' |
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