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actor.go
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actor.go
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// This file is part of the Smart Home
// Program complex distribution https://github.com/e154/smart-home
// Copyright (C) 2016-2021, Filippov Alex
//
// This library is free software: you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library. If not, see
// <https://www.gnu.org/licenses/>.
package memory_app
import (
"fmt"
"runtime"
"sync"
"time"
"github.com/e154/smart-home/common/events"
m "github.com/e154/smart-home/models"
"github.com/e154/smart-home/common"
"github.com/e154/smart-home/system/bus"
"github.com/e154/smart-home/system/entity_manager"
)
// Actor ...
type Actor struct {
entity_manager.BaseActor
eventBus bus.Bus
updateLock *sync.Mutex
}
// NewActor ...
func NewActor(entityManager entity_manager.EntityManager,
eventBus bus.Bus,
entity *m.Entity) *Actor {
actor := &Actor{
BaseActor: entity_manager.BaseActor{
Id: common.EntityId(fmt.Sprintf("%s.%s", EntityMemory, Name)),
Name: Name,
EntityType: EntityMemory,
UnitOfMeasurement: "GHz",
AttrMu: &sync.RWMutex{},
Attrs: NewAttr(),
Manager: entityManager,
},
eventBus: eventBus,
updateLock: &sync.Mutex{},
}
if entity != nil {
actor.Metric = entity.Metrics
}
return actor
}
// Spawn ...
func (e *Actor) Spawn() entity_manager.PluginActor {
return e
}
func (u *Actor) selfUpdate() {
u.updateLock.Lock()
defer u.updateLock.Unlock()
oldState := u.GetEventState(u)
u.Now(oldState)
var s runtime.MemStats
runtime.ReadMemStats(&s)
u.AttrMu.Lock()
u.Attrs[AttrAlloc].Value = s.Alloc
u.Attrs[AttrHeapAlloc].Value = s.HeapAlloc
u.Attrs[AttrTotalAlloc].Value = s.TotalAlloc
u.Attrs[AttrSys].Value = s.Sys
u.Attrs[AttrNumGC].Value = s.NumGC
u.Attrs[AttrLastGC].Value = time.Unix(0, int64(s.LastGC))
u.AttrMu.Unlock()
//u.SetMetric(u.Id, "memory_app", map[string]float32{
// "total_alloc": float32(s.TotalAlloc),
//})
u.eventBus.Publish(bus.TopicEntities, events.EventStateChanged{
StorageSave: false,
PluginName: u.Id.PluginName(),
EntityId: u.Id,
OldState: oldState,
NewState: u.GetEventState(u),
})
}