forked from jshiffer/matterbridge
79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
package cfg
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import (
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"time"
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)
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// SrcMap is a configuration `Source` backed by a simple map.
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type SrcMap struct {
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AbstractSourceMonitor
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m map[string]string
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lm time.Time
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}
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// NewSrcMap creates an empty `SrcMap`.
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func NewSrcMap() *SrcMap {
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sm := &SrcMap{}
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sm.m = make(map[string]string)
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sm.lm = time.Now()
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sm.freq = time.Minute
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return sm
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}
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// NewSrcMapFromMap creates a `SrcMap` containing a copy of the
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// specified map.
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func NewSrcMapFromMap(mapIn map[string]string) *SrcMap {
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sm := NewSrcMap()
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sm.PutAll(mapIn)
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return sm
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}
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// Put inserts or updates a value in the `SrcMap`.
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func (sm *SrcMap) Put(key string, val string) {
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sm.mutex.Lock()
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sm.m[key] = val
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sm.lm = time.Now()
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sm.mutex.Unlock()
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}
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// PutAll inserts a copy of `mapIn` into the `SrcMap`
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func (sm *SrcMap) PutAll(mapIn map[string]string) {
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sm.mutex.Lock()
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defer sm.mutex.Unlock()
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for k, v := range mapIn {
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sm.m[k] = v
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}
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sm.lm = time.Now()
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}
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// GetProps fetches all the properties from a source and returns
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// them as a map.
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func (sm *SrcMap) GetProps() (m map[string]string, err error) {
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sm.mutex.RLock()
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m = sm.m
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sm.mutex.RUnlock()
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return
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}
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// GetLastModified returns the time of the latest modification to any
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// property value within the source. If a source does not support
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// modifying properties at runtime then the zero value for `Time`
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// should be returned to ensure reload events are not generated.
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func (sm *SrcMap) GetLastModified() (last time.Time, err error) {
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sm.mutex.RLock()
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last = sm.lm
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sm.mutex.RUnlock()
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return
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}
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// GetMonitorFreq returns the frequency as a `time.Duration` between
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// checks for changes to this config source. Defaults to 1 minute
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// unless changed with `SetMonitorFreq`.
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func (sm *SrcMap) GetMonitorFreq() (freq time.Duration) {
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sm.mutex.RLock()
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freq = sm.freq
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sm.mutex.RUnlock()
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return
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}
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