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// Copyright (C) MongoDB, Inc. 2014-present.
//
// 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
package line
import (
"github.com/mongodb/mongo-tools/mongostat/status"
)
// StatLine is a wrapper for all metrics reported by mongostat for monitored hosts
type StatLine struct {
Fields map[string]string
Error error
Printed bool
}
type StatLines []*StatLine
func (slice StatLines) Len() int {
return len(slice)
}
func (slice StatLines) Less(i, j int) bool {
return slice[i].Fields["host"] < slice[j].Fields["host"]
}
func (slice StatLines) Swap(i, j int) {
slice[i], slice[j] = slice[j], slice[i]
}
// NewStatLine constructs a StatLine object from two ServerStatus objects
func NewStatLine(oldStat, newStat *status.ServerStatus, headerKeys []string, c *status.ReaderConfig) *StatLine {
line := &StatLine{
Fields: make(map[string]string),
}
for _, key := range headerKeys {
_, ok := StatHeaders[key]
if ok {
line.Fields[key] = StatHeaders[key].ReadField(c, newStat, oldStat)
} else {
line.Fields[key] = status.InterpretField(key, newStat, oldStat)
}
}
// We always need host and storage_engine, even if they aren't being displayed
line.Fields["host"] = StatHeaders["host"].ReadField(c, newStat, oldStat)
line.Fields["storage_engine"] = StatHeaders["storage_engine"].ReadField(c, newStat, oldStat)
return line
}
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