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68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package server
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import (
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"fmt"
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"time"
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"context"
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"sync"
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"google.golang.org/grpc"
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"google.golang.org/grpc/status"
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pb "FRMS/internal/pkg/grpc"
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)
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// this package will implement a reactor coordinator and associated go routines
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type ReactorManager struct {
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*Manager
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Devs *Devices
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ClientConnections <-chan bool
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}
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type Devices struct {
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mu sync.Mutex
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D map[int]Device
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}
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func NewReactorManager(c *Client,ch chan bool,err chan error) {
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d := new(Devices)
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r := &ReactorManager{Devs:d,ClientConnections:ch}
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r.Manager = NewManager(c, err)
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go r.Listen()
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}
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func (r *ReactorManager) Listen() {
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for {
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c := <-r.ClientConnections
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if c {
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r.Start()
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} else {
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r.Exit()
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}
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}
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}
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func (r *ReactorManager) Start() {
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r.Manager.Start()
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conn := r.Connect()
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go r.Monitor(conn)
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}
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func (r *ReactorManager) Monitor(conn *grpc.ClientConn) {
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defer conn.Close()
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client := pb.NewMonitoringClient(conn)
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for r.IsActive() {
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req := &pb.ReactorStatusRequest{Id:r.Id}
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resp, err := client.ReactorStatusHandler(context.Background(),req)
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code := status.Code(err)
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if code != 0 { // if != OK
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fmt.Printf("Reactor %v down! Exiting manager...", r.Id)
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r.Exit()
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}
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//for _,v := range resp.GetDevices() {
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// TODO changed sensors
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//}
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fmt.Printf("Reactor %v online\n", resp.GetId())
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time.Sleep(r.Hb * time.Second) // time between sensor pings
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}
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}
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