| // Copyright 2018, OpenCensus Authors |
| // |
| // 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 ocagent |
| |
| import "time" |
| |
| const ( |
| DefaultAgentPort uint16 = 55678 |
| DefaultAgentHost string = "localhost" |
| ) |
| |
| type ExporterOption interface { |
| withExporter(e *Exporter) |
| } |
| |
| type insecureGrpcConnection int |
| |
| var _ ExporterOption = (*insecureGrpcConnection)(nil) |
| |
| func (igc *insecureGrpcConnection) withExporter(e *Exporter) { |
| e.canDialInsecure = true |
| } |
| |
| // WithInsecure disables client transport security for the exporter's gRPC connection |
| // just like grpc.WithInsecure() https://godoc.org/google.golang.org/grpc#WithInsecure |
| // does. Note, by default, client security is required unless WithInsecure is used. |
| func WithInsecure() ExporterOption { return new(insecureGrpcConnection) } |
| |
| type addressSetter string |
| |
| func (as addressSetter) withExporter(e *Exporter) { |
| e.agentAddress = string(as) |
| } |
| |
| var _ ExporterOption = (*addressSetter)(nil) |
| |
| // WithAddress allows one to set the address that the exporter will |
| // connect to the agent on. If unset, it will instead try to use |
| // connect to DefaultAgentHost:DefaultAgentPort |
| func WithAddress(addr string) ExporterOption { |
| return addressSetter(addr) |
| } |
| |
| type serviceNameSetter string |
| |
| func (sns serviceNameSetter) withExporter(e *Exporter) { |
| e.serviceName = string(sns) |
| } |
| |
| var _ ExporterOption = (*serviceNameSetter)(nil) |
| |
| // WithServiceName allows one to set/override the service name |
| // that the exporter will report to the agent. |
| func WithServiceName(serviceName string) ExporterOption { |
| return serviceNameSetter(serviceName) |
| } |
| |
| type reconnectionPeriod time.Duration |
| |
| func (rp reconnectionPeriod) withExporter(e *Exporter) { |
| e.reconnectionPeriod = time.Duration(rp) |
| } |
| |
| func WithReconnectionPeriod(rp time.Duration) ExporterOption { |
| return reconnectionPeriod(rp) |
| } |
| |
| type compressorSetter string |
| |
| func (c compressorSetter) withExporter(e *Exporter) { |
| e.compressor = string(c) |
| } |
| |
| // UseCompressor will set the compressor for the gRPC client to use when sending requests. |
| // It is the responsibility of the caller to ensure that the compressor set has been registered |
| // with google.golang.org/grpc/encoding. This can be done by encoding.RegisterCompressor. Some |
| // compressors auto-register on import, such as gzip, which can be registered by calling |
| // `import _ "google.golang.org/grpc/encoding/gzip"` |
| func UseCompressor(compressorName string) ExporterOption { |
| return compressorSetter(compressorName) |
| } |