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107 lines
4.7 KiB
Go
107 lines
4.7 KiB
Go
// Copyright 2017, OpenCensus Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package ocgrpc
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import (
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"go.opencensus.io/stats"
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"go.opencensus.io/stats/view"
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"go.opencensus.io/tag"
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)
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// The following variables are measures are recorded by ClientHandler:
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var (
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ClientSentMessagesPerRPC = stats.Int64("grpc.io/client/sent_messages_per_rpc", "Number of messages sent in the RPC (always 1 for non-streaming RPCs).", stats.UnitDimensionless)
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ClientSentBytesPerRPC = stats.Int64("grpc.io/client/sent_bytes_per_rpc", "Total bytes sent across all request messages per RPC.", stats.UnitBytes)
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ClientReceivedMessagesPerRPC = stats.Int64("grpc.io/client/received_messages_per_rpc", "Number of response messages received per RPC (always 1 for non-streaming RPCs).", stats.UnitDimensionless)
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ClientReceivedBytesPerRPC = stats.Int64("grpc.io/client/received_bytes_per_rpc", "Total bytes received across all response messages per RPC.", stats.UnitBytes)
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ClientRoundtripLatency = stats.Float64("grpc.io/client/roundtrip_latency", "Time between first byte of request sent to last byte of response received, or terminal error.", stats.UnitMilliseconds)
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ClientServerLatency = stats.Float64("grpc.io/client/server_latency", `Propagated from the server and should have the same value as "grpc.io/server/latency".`, stats.UnitMilliseconds)
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)
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// Predefined views may be registered to collect data for the above measures.
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// As always, you may also define your own custom views over measures collected by this
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// package. These are declared as a convenience only; none are registered by
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// default.
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var (
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ClientSentBytesPerRPCView = &view.View{
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Measure: ClientSentBytesPerRPC,
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Name: "grpc.io/client/sent_bytes_per_rpc",
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Description: "Distribution of bytes sent per RPC, by method.",
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TagKeys: []tag.Key{KeyClientMethod},
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Aggregation: DefaultBytesDistribution,
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}
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ClientReceivedBytesPerRPCView = &view.View{
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Measure: ClientReceivedBytesPerRPC,
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Name: "grpc.io/client/received_bytes_per_rpc",
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Description: "Distribution of bytes received per RPC, by method.",
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TagKeys: []tag.Key{KeyClientMethod},
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Aggregation: DefaultBytesDistribution,
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}
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ClientRoundtripLatencyView = &view.View{
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Measure: ClientRoundtripLatency,
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Name: "grpc.io/client/roundtrip_latency",
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Description: "Distribution of round-trip latency, by method.",
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TagKeys: []tag.Key{KeyClientMethod},
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Aggregation: DefaultMillisecondsDistribution,
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}
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ClientCompletedRPCsView = &view.View{
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Measure: ClientRoundtripLatency,
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Name: "grpc.io/client/completed_rpcs",
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Description: "Count of RPCs by method and status.",
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TagKeys: []tag.Key{KeyClientMethod, KeyClientStatus},
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Aggregation: view.Count(),
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}
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ClientSentMessagesPerRPCView = &view.View{
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Measure: ClientSentMessagesPerRPC,
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Name: "grpc.io/client/sent_messages_per_rpc",
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Description: "Distribution of sent messages count per RPC, by method.",
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TagKeys: []tag.Key{KeyClientMethod},
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Aggregation: DefaultMessageCountDistribution,
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}
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ClientReceivedMessagesPerRPCView = &view.View{
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Measure: ClientReceivedMessagesPerRPC,
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Name: "grpc.io/client/received_messages_per_rpc",
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Description: "Distribution of received messages count per RPC, by method.",
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TagKeys: []tag.Key{KeyClientMethod},
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Aggregation: DefaultMessageCountDistribution,
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}
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ClientServerLatencyView = &view.View{
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Measure: ClientServerLatency,
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Name: "grpc.io/client/server_latency",
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Description: "Distribution of server latency as viewed by client, by method.",
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TagKeys: []tag.Key{KeyClientMethod},
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Aggregation: DefaultMillisecondsDistribution,
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}
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)
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// DefaultClientViews are the default client views provided by this package.
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var DefaultClientViews = []*view.View{
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ClientSentBytesPerRPCView,
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ClientReceivedBytesPerRPCView,
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ClientRoundtripLatencyView,
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ClientCompletedRPCsView,
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}
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// TODO(jbd): Add roundtrip_latency, uncompressed_request_bytes, uncompressed_response_bytes, request_count, response_count.
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// TODO(acetechnologist): This is temporary and will need to be replaced by a
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// mechanism to load these defaults from a common repository/config shared by
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// all supported languages. Likely a serialized protobuf of these defaults.
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