otbr-agent.init

#!/bin/sh /etc/rc.common

# Copyright (c) 2026 Project CHIP Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

START=90

USE_PROCD=1
AGENT_PROG=/usr/sbin/otbr-agent
RCP_PROG=/usr/sbin/otbr-rcp

validate_section_otbr()
{
	uci_load_validate otbr-agent otbr-agent "$1" "$2" \
		'thread_if_name:string' \
		'infra_if_name:string' \
		'uart_device:string:any' \
		'uart_baudrate:uinteger:0' \
		'uart_flow_control:bool:1' \
		'rcp_hotplug:bool:1' \
		'rcp_firmware_update:bool:1'
}

otbr_instance()
{
	local cfg="$1"
	if [ "$2" != 0 ]; then
		echo "validation failed"
		return 1
	fi
	if [ -z "$infra_if_name" ]; then
		echo "missing infra_if_name"
		return 1
	fi

	local radio_url
	if [ "${uart_device#/dev/}" != "${uart_device}" ]; then
		# Directly run otbr-agent with the specified /dev/* device
		set -- "$AGENT_PROG"
		radio_url="spinel+hdlc+uart://${uart_device}"
	else
		# Use the otbr-rcp wrapper to locate the device
		set -- "$RCP_PROG"
		[ "$rcp_hotplug" -eq 0 ] || set -- "$@" --wait
		[ "$rcp_firmware_update" -eq 0 ] || set -- "$@" --update
		set -- "$@" "$uart_device" --
		radio_url="%rcpurl%"
	fi
	radio_url="${radio_url}?uart-exclusive"
	[ "$uart_baudrate" -eq 0 ] || radio_url="${radio_url}&uart-baudrate=${uart_baudrate}"
	[ "$uart_flow_control" -eq 0 ] || radio_url="${radio_url}&uart-flow-control"

	local model="$(jsonfilter -q -i /etc/board.json -e @.model.name)"

	procd_open_instance
	procd_set_param command "$@" -I "${thread_if_name:-$cfg}" -B "$infra_if_name" --model-name "${model:-BorderRouter}" "${radio_url}" "trel://${infra_if_name}"
	procd_set_param respawn
	procd_close_instance
}

start_service()
{
	config_load otbr-agent
	config_foreach validate_section_otbr otbr-agent otbr_instance
}