openwrt-packages/utils/rtl-sdr/files/rtl_tcp.init

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#!/bin/sh /etc/rc.common
# Copyright (C) 2016 OpenWrt.org
START=90
STOP=10
USE_PROCD=1
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" ] && procd_append_param command $opt "${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"
[ "$val" = 1 ] && procd_append_param command "$opt"
}
start_instance() {
local cfg="$1"
local aux
config_get_bool aux "$cfg" 'disabled' '0'
[ "$aux" = 1 ] && return 1
procd_open_instance
procd_set_param command /usr/bin/rtl_tcp
append_arg "$cfg" device_index "-d"
append_arg "$cfg" address "-a"
append_arg "$cfg" port "-p"
append_arg "$cfg" frequency "-f"
append_arg "$cfg" gain "-g"
append_arg "$cfg" samplerate "-s"
append_arg "$cfg" buffers "-b"
append_arg "$cfg" num_linked_lists "-n"
append_arg "$cfg" ppm_error "-P"
config_get_bool aux "$cfg" 'respawn' '0'
[ "$aux" = 1 ] && procd_set_param respawn
procd_close_instance
}
service_triggers() {
procd_add_reload_trigger "rtl_tcp"
}
start_service() {
config_load rtl_tcp
config_foreach start_instance rtl_tcp
}