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path: root/src/rhctl/switch_control.go
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//
//  rhctl
//
//  Copyright (C) 2009-2016 Christian Pointner <equinox@helsinki.at>
//
//  This file is part of rhctl.
//
//  rhctl is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  any later version.
//
//  rhctl 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with rhctl. If not, see <http://www.gnu.org/licenses/>.
//

package main

type SwitchControl struct {
	sw      *AudioSwitch
	servers []*PlayoutServer
}

func handleServer(in <-chan ServerStatus, out chan<- ServerStatus) {
	for {
		update := <-in
		out <- update
	}
}

func (ctrl *SwitchControl) Run() {
	rhdl.Printf("SwitchCTRL: handler running...")

	serverUpdates := make(chan ServerStatus, 8)
	for _, srv := range ctrl.servers {
		go handleServer(srv.Updates, serverUpdates)
	}

	for {
		select {
		case update := <-ctrl.sw.Updates:
			rhdl.Printf("got update from switch: %+v", update)
			for _, srv := range ctrl.servers {
				srv.SwitchUpdates <- update
			}
			// TODO: send out to all clients who are interested in this
		case status := <-serverUpdates:
			rhdl.Printf("got server status update: %+v", status)
			// TODO: recalculate overall status and send out commands to switch
		}
		// TODO: add handler for requests from control clients
	}
}

func SwitchControlInit(conf *Config, sw *AudioSwitch, servers []*PlayoutServer) (ctrl *SwitchControl) {
	ctrl = &SwitchControl{}
	ctrl.sw = sw
	ctrl.servers = servers
	return
}