shairport: Update config and init scripts, fix build, remove libao dependency, add myself as pkg maintainer

Signed-off-by: Ted Hess <thess@kitschensync.net>

multimedia/shairport/files/shairport.init

@@ -1,53 +1,91 @@
 #!/bin/sh /etc/rc.common
-# Copyright (C) 2013-2014 OpenWrt.org
 
-START=50
-USE_PROCD=1
+NAME=shairport
+START=94
 
-config_shairport() {
+SERVICE_DAEMONIZE=1
+SERVICE_WRITE_PID=1
+
+AP_PIDDIR=/var/run
+AP_BIN=/usr/bin/shairport
+
+append_arg() {
+        local cfg="$1"
+        local var="$2"
+        local opt="$3"
+        local def="$4"
+        local val
+
+        config_get val "$cfg" "$var"
+        [ -n "$val" -o -n "$def" ] && append AP_ARGS "$opt ${val:-$def}"
+}
+
+append_bool() {
+        local cfg="$1"
+        local var="$2"
+        local opt="$3"
+        local def="$4"
+        local val
+
+        config_get_bool val "$cfg" "$var" "$def"
+        [ "$val" = 1 ] && append AP_ARGS "$opt"
+}
+
+start_instance() {
+	AP_ARGS=""
+	local cfg="$1"
+	local ao dev
+
+	append_arg "$cfg" bname "-a" "AirPort"
+	append_arg "$cfg" log "-l"
+	append_arg "$cfg" initbuf "-b" "256"
+	append_arg "$cfg" port "-p" "5002"
+	append_arg "$cfg" password "-k"
+	append_arg "$cfg" mdns "-m"
+
+	append_arg "$cfg" cmd_start "-B"
+	append_arg "$cfg" cmd_stop "-E"
+	append_bool "$cfg" cmd_wait "-w"
+
+	append_arg "$cfg" audio_output "-o"
+
+	config_get ao "$cfg" audio_output ""
+	if [ "$ao" = "alsa" ]; then
+		config_get dev "$cfg" output_device ""
+		if [ -n "$dev" ]; then
+			append AP_ARGS "--"
+			append_arg "$cfg" output_device "-d"
+			append_arg "$cfg" mixer_device "-m"
+			append_arg "$cfg" mixer_type "-t"
+			append_arg "$cfg" mixer-control "-c"
+			append_arg "$cfg" mixer-index "-i"
+		fi
+	fi
+
+	SERVICE_PID_FILE=${AP_PIDDIR}/${NAME}_${cfg}.pid
+	service_start $AP_BIN $AP_ARGS
+
+	# Check if daemon is running, if not then
+	# re-execute in foreground to display error.
+	sleep 1 && service_check $AP_BIN || \
+		$AP_BIN $AP_ARGS
+}
+
+stop_instance()
+{
 	local cfg="$1"
 
-	local cfg_name
-	local cfg_password
-	local cfg_port
-	local cfg_buffer
-	local cfg_log
-	local cfg_cmd_start
-	local cfg_cmd_stop
-	local cfg_cmd_wait
-	local cfg_audio_output
-	local cfg_mdns
-
-	config_get cfg_name $cfg 'name' 'AirPort'
-	config_get cfg_password $cfg 'password' ''
-	config_get cfg_port $cfg 'port' '5002'
-	config_get cfg_buffer $cfg 'buffer' '256'
-	config_get cfg_log $cfg 'log' '/var/log/shairport'
-	config_get cfg_cmd_start $cfg 'cmd_start' ''
-	config_get cfg_cmd_stop $cfg 'cmd_stop' ''
-	config_get_bool cfg_cmd_wait $cfg 'cmd_wait' '0'
-	config_get cfg_audio_output $cfg 'audio_output' ''
-	config_get cfg_mdns $cfg 'mdns' ''
-
-	procd_open_instance
-
-	procd_set_param command /usr/sbin/shairport
-	procd_append_param command -a "$cfg_name"
-	[ ! -z "$cfg_password" ] && procd_append_param command -k "$cfg_password"
-	procd_append_param command -p $cfg_port
-	procd_append_param command -b $cfg_buffer
-	procd_append_param command -l $cfg_log
-	[ ! -z "$cfg_cmd_start" ] && procd_append_param command -B "$cfg_cmd_start"
-	[ ! -z "$cfg_cmd_stop" ] && procd_append_param command -E "$cfg_cmd_stop"
-	[ "$cfg_cmd_wait" -eq 1 ] && procd_append_param command -w
-	[ ! -z "$cfg_audio_output" ] && procd_append_param command -o "$cfg_audio_output"
-	[ ! -z "$cfg_mdns" ] && procd_append_param command -m "$cfg_mdns"
-
-	procd_set_param respawn
-	procd_close_instance
+	SERVICE_PID_FILE=${AP_PIDDIR}/${NAME}_${cfg}.pid
+	SERVICE_SIG_STOP="INT"
+	service_stop $AP_BIN
 }
 
-start_service() {
+start() {
 	config_load shairport
-	config_foreach config_shairport shairport
+	config_foreach start_instance shairport
+}
+
+stop() {
+	config_load shairport
+	config_foreach stop_instance shairport
 }