From 3b24e2e452178475284aa0a8240eb8b76974a153 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Tue, 19 Apr 2016 03:14:05 +0200
Subject: implemented a snooze timeout to move out of awakening mood


diff --git a/src/rhctl/switch_control.go b/src/rhctl/switch_control.go
index 425278e..7ff2ad1 100644
--- a/src/rhctl/switch_control.go
+++ b/src/rhctl/switch_control.go
@@ -22,6 +22,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"time"
 
@@ -88,7 +89,7 @@ type SwitchControl struct {
 	sw       *AudioSwitch
 	servers  []*PlayoutServer
 	state    State
-	startup  time.Time
+	snooze   <-chan time.Time
 	Updates  *pubsub.PubSub
 	Commands chan *Command
 }
@@ -102,7 +103,7 @@ func (ctrl *SwitchControl) handleCommand(cmd *Command) {
 			cmd.Response <- fmt.Errorf("no server specified")
 			return
 		}
-		cmd.Response <- ctrl.reconcile(cmd.Args[0])
+		cmd.Response <- ctrl.reconcile(cmd.Args[0], false)
 	case CmdSwitch:
 		if len(cmd.Args) == 0 {
 			cmd.Response <- fmt.Errorf("no command specified")
@@ -150,15 +151,34 @@ func (ctrl *SwitchControl) checkMissingOrStaleStates(maxAge time.Duration) {
 	}
 }
 
-func (ctrl *SwitchControl) reconcile(requestedServer string) (result bool) {
-	rhdl.Printf("SwitchCTRL: reconciling state... (requested server: '%s')", requestedServer)
+func (ctrl *SwitchControl) getSwitchServerAssignment() (swsrv, swch string, err error) {
+	// TODO: implement this
+	return "", "", errors.New("not implemented")
+}
+
+func (ctrl *SwitchControl) reconcile(requestedServer string, snooze bool) (result bool) {
+	rhdl.Printf("SwitchCTRL: reconciling state... (requested server: '%s', snooze: %t)", requestedServer, snooze)
 
 	// send out commands to switch and/or server to get missing infos
+	// TODO: this shouldn't be called every time, because this will lead to a lot of requests as updates come in...
 	ctrl.checkMissingOrStaleStates(2 * time.Hour) // TODO: hardcoded value
 
-	if ctrl.state.Mood == MoodAwakening && time.Since(ctrl.startup) < (time.Minute) { // TODO: hardcoded value
-		// it's to early to take actions - let's learn i little bit more about current state
-		return
+	switch ctrl.state.Mood {
+	case MoodAwakening:
+		if !snooze { // this not a wakeup of the snooze timer
+			// it's too early to take actions - let's learn a little bit more about current state
+			return
+		}
+		swsrv, swch, err := ctrl.getSwitchServerAssignment()
+		if err != nil {
+			ctrl.state.Mood = MoodSad
+			rhl.Printf("SwitchCTRL: switch input assignments are ambigious or outdated -> now in mood: %s", ctrl.state.Mood)
+			return
+		}
+		rhl.Printf("SwitchCTRL: we are awake now... switch is set to server '%s' channel '%s'", swsrv, swch)
+
+	default:
+		rhl.Printf("SwitchCTRL: error handling of mood %s is not implemented", ctrl.state.Mood)
 	}
 
 	// TODO: change active server if it fails or on request
@@ -173,15 +193,17 @@ func (ctrl *SwitchControl) reconcile(requestedServer string) (result bool) {
 func (ctrl *SwitchControl) Run() {
 	rhdl.Printf("SwitchCTRL: handler running...")
 
-	ctrl.startup = time.Now()
+	ctrl.snooze = time.After(time.Minute) // TODO: hardcode value
 	serverStateChanges := make(chan ServerState, 8)
 	for _, srv := range ctrl.servers {
 		go handleServer(srv.StateChanges, serverStateChanges)
 	}
 
-	ctrl.reconcile("")
+	ctrl.reconcile("", false)
 	for {
 		select {
+		case <-ctrl.snooze:
+			ctrl.reconcile("", true)
 		case update := <-ctrl.sw.Updates:
 			rhdl.Printf("got update from switch: %+v", update)
 			for _, srv := range ctrl.servers {
@@ -192,13 +214,13 @@ func (ctrl *SwitchControl) Run() {
 			// rhdl.Printf("got switch state update: %+v", state)
 			ctrl.Updates.Pub(state, "switch:state")
 			ctrl.state.Switch = state
-			ctrl.reconcile("")
+			ctrl.reconcile("", false)
 			ctrl.Updates.Pub(ctrl.state, "state")
 		case state := <-serverStateChanges:
 			rhdl.Printf("got server state update: %+v", state)
 			ctrl.Updates.Pub(state, "server:state")
 			ctrl.state.Server[state.Name] = state
-			ctrl.reconcile("")
+			ctrl.reconcile("", false)
 			ctrl.Updates.Pub(ctrl.state, "state")
 		case cmd := <-ctrl.Commands:
 			ctrl.handleCommand(cmd)
-- 
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