From 7961599b2e41c71720a42b3bfde641f7529f05fe Mon Sep 17 00:00:00 2001 From: Corey Hulen Date: Tue, 22 Nov 2016 11:05:54 -0800 Subject: PLT-4357 adding performance monitoring (#4622) * WIP * WIP * Adding metrics collection * updating vendor packages * Adding metrics to config * Adding admin console page for perf monitoring * Updating glide * switching to tylerb/graceful --- .../golang_protobuf_extensions/pbutil/encode.go | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go (limited to 'vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go') diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go b/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go new file mode 100644 index 000000000..8fb59ad22 --- /dev/null +++ b/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go @@ -0,0 +1,46 @@ +// Copyright 2013 Matt T. Proud +// +// Licensed 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, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package pbutil + +import ( + "encoding/binary" + "io" + + "github.com/golang/protobuf/proto" +) + +// WriteDelimited encodes and dumps a message to the provided writer prefixed +// with a 32-bit varint indicating the length of the encoded message, producing +// a length-delimited record stream, which can be used to chain together +// encoded messages of the same type together in a file. It returns the total +// number of bytes written and any applicable error. This is roughly +// equivalent to the companion Java API's MessageLite#writeDelimitedTo. +func WriteDelimited(w io.Writer, m proto.Message) (n int, err error) { + buffer, err := proto.Marshal(m) + if err != nil { + return 0, err + } + + var buf [binary.MaxVarintLen32]byte + encodedLength := binary.PutUvarint(buf[:], uint64(len(buffer))) + + sync, err := w.Write(buf[:encodedLength]) + if err != nil { + return sync, err + } + + n, err = w.Write(buffer) + return n + sync, err +} -- cgit v1.2.3-1-g7c22