57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package datastore
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import (
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"context"
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"log"
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"sync"
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"go.dev.pztrn.name/metricator/internal/configuration"
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)
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// DataStore is a data storage structure. It keeps all gathered metrics and gives
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// them away on request.
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type DataStore struct {
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config *configuration.Config
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ctx context.Context
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doneChan chan struct{}
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datas map[string]*applicationStorage
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datasMutex sync.RWMutex
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}
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// NewDataStore creates new data storage.
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func NewDataStore(ctx context.Context, cfg *configuration.Config) (*DataStore, chan struct{}) {
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ds := &DataStore{
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config: cfg,
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ctx: ctx,
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doneChan: make(chan struct{}),
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}
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ds.initialize()
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return ds, ds.doneChan
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}
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// Internal things initialization.
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func (ds *DataStore) initialize() {
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ds.datas = make(map[string]*applicationStorage)
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// Create applications defined in configuration.
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go func() {
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<-ds.ctx.Done()
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log.Println("Data storage stopped")
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ds.doneChan <- struct{}{}
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}()
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}
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// Start starts data storage asynchronous things.
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func (ds *DataStore) Start() {
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log.Println("Starting data storage...")
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ds.datasMutex.RLock()
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for _, storage := range ds.datas {
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storage.start()
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}
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}
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