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// Copyright 2015 opentsdb-goclient authors. All Rights Reserved.
//
// 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 client defines the client and the corresponding
// rest api implementaion of OpenTSDB.
//
// stats.go contains the structs and methods for the implementation of /api/stats.
//
package client
import (
"bytes"
"encoding/json"
"fmt"
)
type StatsResponse struct {
StatusCode int
Metrics []MetricInfo `json:"Metrics"`
}
type MetricInfo struct {
Metric string `json:"metric"`
Timestamp int64 `json:"timestamp"`
Value interface{} `json:"value"`
Tags map[string]string `json:"tags"`
}
func (statsResp *StatsResponse) SetStatus(code int) {
statsResp.StatusCode = code
}
func (statsResp *StatsResponse) GetCustomParser() func(respCnt []byte) error {
return func(respCnt []byte) error {
return json.Unmarshal([]byte(fmt.Sprintf("{%s:%s}", `"Metrics"`, string(respCnt))), &statsResp)
}
}
func (statsResp *StatsResponse) String() string {
buffer := bytes.NewBuffer(nil)
content, _ := json.Marshal(statsResp)
buffer.WriteString(fmt.Sprintf("%s\n", string(content)))
return buffer.String()
}
func (c *clientImpl) Stats() (*StatsResponse, error) {
statsEndpoint := fmt.Sprintf("%s%s", c.tsdbEndpoint, StatsPath)
statsResp := StatsResponse{}
if err := c.sendRequest(GetMethod, statsEndpoint, "", &statsResp); err != nil {
return nil, err
}
return &statsResp, nil
}
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