xref: /freebsd/libexec/rc/rc.d/virtual_oss (revision 32cd3ee5901ea33d41ff550e5f40ce743c8d4165) 
1#!/bin/sh
2
3# PROVIDE: virtual_oss
4# REQUIRE: NETWORKING kld ldconfig
5# BEFORE: LOGIN
6# KEYWORD: shutdown
7
8. /etc/rc.subr
9
10name="virtual_oss"
11desc="virtual_oss device manager"
12rcvar="${name}_enable"
13
14command="/usr/sbin/${name}"
15command_args="-B"
16
17load_rc_config "$name"
18start_precmd="${name}_precmd"
19start_cmd="${name}_start"
20stop_cmd="${name}_stop"
21status_cmd="${name}_status"
22
23required_modules="cuse"
24
25configs=
26pidpath="/var/run/${name}"
27default_unit=$(sysctl -n hw.snd.default_unit)
28virtual_oss_default_args="\
29	-S \
30	-C 2 \
31	-c 2 \
32	-r 48000 \
33	-b 24 \
34	-s 8ms \
35	-i 8 \
36	-f /dev/dsp${default_unit} \
37	-d dsp \
38	-t vdsp.ctl"
39
40# Set to NO by default. Set it to "YES" to enable virtual_oss.
41: "${virtual_oss_enable:="NO"}"
42
43#  List of configurations to use. Default is "dsp".
44: "${virtual_oss_configs:="dsp"}"
45
46# Default (dsp) virtual_oss config.
47: "${virtual_oss_dsp:="${virtual_oss_default_args}"}"
48
49virtual_oss_pids()
50{
51	pids=$(pgrep -d ' ' ${name})
52	pids=${pids% }
53	printf '%s\n' "${pids}"
54}
55
56virtual_oss_precmd()
57{
58	/usr/bin/install -d -m 0755 -o root "${pidpath}"
59}
60
61start_instance()
62{
63	config="$1"
64	instance_args=$(eval "echo \$virtual_oss_${config}")
65	if [ -z "${instance_args}" ]; then
66		warn "no such config: ${config}"
67	else
68		startmsg -n "Starting virtual_oss config: ${config}: "
69		${command} \
70			${command_args} \
71			-D "${pidpath}/${config}.pid" \
72			${instance_args}
73		startmsg "done"
74	fi
75}
76
77stop_instance()
78{
79	config="$1"
80	instance_args=$(eval "echo \$virtual_oss_${config}")
81	if [ -z "${instance_args}" ]; then
82		warn "no such config: ${config}"
83	else
84		startmsg -n "Stopping virtual_oss config: ${config}: "
85		kill "$(cat "${pidpath}/${config}.pid")"
86		rm -f "${pidpath}/${config}.pid"
87		startmsg "done"
88	fi
89}
90
91virtual_oss_start()
92{
93	configs="$1"
94	[ -z "${configs}" ] && configs="${virtual_oss_configs}"
95	for config in ${configs}; do
96		start_instance "${config}"
97	done
98}
99
100virtual_oss_stop()
101{
102	configs="$1"
103	[ -z "${configs}" ] && configs="${virtual_oss_configs}"
104	for config in ${configs}; do
105		stop_instance "${config}"
106	done
107}
108
109virtual_oss_status()
110{
111	pids=$(virtual_oss_pids)
112
113	if [ "${pids}" ]; then
114		echo "${name} is running as pid ${pids}."
115	else
116		echo "${name} is not running."
117		return 1
118	fi
119}
120
121run_rc_command "$@"
122