51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
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// Copyright 2022 The OpenZipkin 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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package model
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import (
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"encoding/json"
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"net"
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"strings"
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)
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// Endpoint holds the network context of a node in the service graph.
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type Endpoint struct {
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ServiceName string
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IPv4 net.IP
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IPv6 net.IP
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Port uint16
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}
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// MarshalJSON exports our Endpoint into the correct format for the Zipkin V2 API.
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func (e Endpoint) MarshalJSON() ([]byte, error) {
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return json.Marshal(&struct {
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ServiceName string `json:"serviceName,omitempty"`
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IPv4 net.IP `json:"ipv4,omitempty"`
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IPv6 net.IP `json:"ipv6,omitempty"`
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Port uint16 `json:"port,omitempty"`
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}{
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strings.ToLower(e.ServiceName),
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e.IPv4,
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e.IPv6,
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e.Port,
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})
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}
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// Empty returns if all Endpoint properties are empty / unspecified.
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func (e *Endpoint) Empty() bool {
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return e == nil ||
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(e.ServiceName == "" && e.Port == 0 && len(e.IPv4) == 0 && len(e.IPv6) == 0)
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}
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