From b1350a8096e1d7d11408b19b438ca09912e03c2d Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Wed, 20 Apr 2016 21:20:23 +0200
Subject: selecting server should work now - needs testing!


diff --git a/src/rhctl/conf.go b/src/rhctl/conf.go
index 36a3b5a..bf68fec 100644
--- a/src/rhctl/conf.go
+++ b/src/rhctl/conf.go
@@ -40,6 +40,14 @@ type ConfigSwitchInputs []struct {
 func (p ConfigSwitchInputs) Len() int           { return len(p) }
 func (p ConfigSwitchInputs) Swap(i, j int)      { p[i], p[j] = p[j], p[i] }
 func (p ConfigSwitchInputs) Less(i, j int) bool { return p[i].Number < p[j].Number }
+func (p ConfigSwitchInputs) Get(server, channel string) SwitchInputNum {
+	for _, i := range p {
+		if i.Server == server && i.Channel == channel {
+			return i.Number
+		}
+	}
+	return SwitchInputNum(0)
+}
 
 type Config struct {
 	Audioswitch struct {
diff --git a/src/rhctl/switch_control.go b/src/rhctl/switch_control.go
index 8440e61..a7b5a58 100644
--- a/src/rhctl/switch_control.go
+++ b/src/rhctl/switch_control.go
@@ -173,8 +173,13 @@ func (ctrl *SwitchControl) getSwitchServerAssignment() (swsrv, swch string, err
 	return "", "", errors.New("unknown input")
 }
 
-func (ctrl *SwitchControl) selectServer(server string) {
-	newIn := SwitchInputNum(1) // TODO: get input num from server name
+func (ctrl *SwitchControl) selectServer(server string) bool {
+	newIn := ctrl.sw.Inputs.Get(server, ctrl.state.Server[server].Channel)
+	if newIn == SwitchInputNum(0) {
+		rhdl.Printf("SwitchCTRL: no audio input configured for server/channel: '%s/%s'", server, ctrl.state.Server[server].Channel)
+		return false
+	}
+
 	for idx, in := range ctrl.state.Switch.Audio[0].Inputs {
 		if in && SwitchInputNum(idx+1) != newIn {
 			ctrl.sw.Commands <- &SwitchCommand{SwitchCmdAudioFadeDownInput, []interface{}{SwitchInputNum(idx + 1)}, nil}
@@ -183,6 +188,22 @@ func (ctrl *SwitchControl) selectServer(server string) {
 	ctrl.sw.Commands <- &SwitchCommand{SwitchCmdAudioFadeUpInput, []interface{}{newIn}, nil}
 	ctrl.settling.Reset(10 * time.Second) // TODO: hardcoded value
 	ctrl.state.Settled = false
+	return true
+}
+
+func (ctrl *SwitchControl) selectNextValidServer() {
+	for name, state := range ctrl.state.Server {
+		if state.Health == ServerAlive && state.Channel != "" {
+			if !ctrl.selectServer(name) {
+				continue
+			}
+			ctrl.state.Mood = MoodNervous
+			rhl.Printf("SwitchCTRL: found another valid server -> now in mood: %s", ctrl.state.Mood)
+			return
+		}
+	}
+	ctrl.state.Mood = MoodSad
+	rhl.Printf("SwitchCTRL: found no alive/valid server -> now in mood: %s", ctrl.state.Mood)
 }
 
 func (ctrl *SwitchControl) reconcile(requestedServer string) (result bool) {
@@ -217,16 +238,7 @@ func (ctrl *SwitchControl) reconcile(requestedServer string) (result bool) {
 		s, exists := ctrl.state.Server[swsrv]
 		if !exists || s.Health != ServerAlive || s.Channel == "" {
 			rhl.Printf("SwitchCTRL: server '%s' is unknown, dead or has invalid channel!", swsrv)
-			for name, state := range ctrl.state.Server {
-				if state.Health == ServerAlive && state.Channel != "" {
-					ctrl.state.Mood = MoodNervous
-					rhl.Printf("SwitchCTRL: found another valid server -> now in mood: %s", ctrl.state.Mood)
-					ctrl.selectServer(name)
-					return
-				}
-			}
-			ctrl.state.Mood = MoodSad
-			rhl.Printf("SwitchCTRL: found no alive server -> now in mood: %s", ctrl.state.Mood)
+			ctrl.selectNextValidServer()
 			return
 		}
 
@@ -235,7 +247,9 @@ func (ctrl *SwitchControl) reconcile(requestedServer string) (result bool) {
 		if s.Channel != swch {
 			ctrl.state.Mood = MoodNervous
 			rhl.Printf("SwitchCTRL: switch and server channel mismatch: '%s' != '%s' -> now in mood: %s", swch, s.Channel, ctrl.state.Mood)
-			ctrl.selectServer(ctrl.state.ActiveServer)
+			if !ctrl.selectServer(ctrl.state.ActiveServer) {
+				ctrl.selectNextValidServer()
+			}
 			return
 		}
 
-- 
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