gRPCStatusView.go

package views

import (
	"code.fbi.h-da.de/cocsn/gosdn/cmd/gosdn-tview/app"
	"github.com/rivo/tview"
	"google.golang.org/grpc"
	"time"
)

type GRPCStatusView struct {
	gRPCStatusView *tview.TextView
}

//TODO: change to grpcStatusView
func NewGRPCStatusView(app *app.App, conn *grpc.ClientConn) *GRPCStatusView {
	//TODO: change to uses FlexBox if there is more to display in the header
	sv := &GRPCStatusView{
		gRPCStatusView: tview.NewTextView(),
	}

	sv.gRPCStatusView.
		SetRegions(true).
		SetBorder(true).
		SetTitle("gRPC")

	sv.gRPCStatusView.SetChangedFunc(func() {
		app.Draw()
	})

	go goSDNTicker(sv, conn)

	return sv
}

func (sv *GRPCStatusView) GetContent() tview.Primitive {
	return sv.gRPCStatusView
}

func (sv *GRPCStatusView) SetContent(s string) {
	sv.gRPCStatusView.Clear()
	sv.gRPCStatusView.SetText(s)
}

func goSDNTicker(sv *GRPCStatusView, conn *grpc.ClientConn) {
	ticker := time.NewTicker(5 * time.Second)
	for range ticker.C {
		sv.SetContent(conn.GetState().String())
	}
}