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

START=99
USE_PROCD=1

CONF="rtp2httpd"
PROG="/usr/bin/$CONF"

append_param_arg() {
	eval "local val=\"\${$1}\""
	[ -n "$val" ] && procd_append_param command "--${1//_/-}" "$val"
}

append_param_bool() {
	eval "local val=\"\${$1}\""
	[ "$val" -eq "1" ] && procd_append_param command "--${1//_/-}"
}

validate_rtp2httpd_section() {
	uci_load_validate "$CONF" "instance" "$1" "$2" \
		'enabled:bool:0' \
		'listen:string' \
		\
		'verbose:uinteger' \
		'noudpxy:uinteger' \
		\
		'upstream_interface:string' \
		'upstream_interface_fcc:string' \
		'upstream_interface_http:string' \
		'upstream_interface_multicast:string' \
		'upstream_interface_rtsp:string' \
		\
		'fcc_listen_port_range:or(port,portrange)' \
		'http_proxy_user_agent:string' \
		'mcast_rejoin_interval:and(uinteger, range(0,86400))' \
		'rtsp_stun_server:string' \
		'rtsp_user_agent:string' \
		\
		'maxclients:and(uinteger, range(1,5000))' \
		'workers:and(uinteger, range(1,64))' \
		'buffer_pool_max_size:and(uinteger, range(1024,1048576))' \
		'udp_rcvbuf_size:and(uinteger, range(65536,16777216))' \
		'zerocopy_on_send:bool' \
		\
		'hostname:host' \
		'r2h_token:string' \
		'cors_allow_origin:string' \
		'xff:bool' \
		'app_path_prefix:string' \
		'player_page_path:string' \
		'status_page_path:string' \
		'external_m3u:string' \
		'external_m3u_update_interval:uinteger' \
		'use_relative_path_in_m3u:bool' \
		\
		'access_log:string' \
		'log_format:string' \
		\
		'ffmpeg_path:string' \
		'ffmpeg_args:string' \
		'video_snapshot:bool'
}

start_instance() {
	local section="$1"

	[ "$2" -eq "0" ] || { logger -p daemon.err -t "$CONF" "$section Validation failed."; return 1; }
	[ "$enabled" -eq "1" ] || return 1

	procd_open_instance "$section"
	procd_set_param command "$PROG"
	procd_append_param command -C

	for addr in $listen; do
		procd_append_param command --listen "$addr"
	done

	append_param_arg verbose
	append_param_bool noudpxy

	append_param_arg upstream_interface
	append_param_arg upstream_interface_fcc
	append_param_arg upstream_interface_http
	append_param_arg upstream_interface_multicast
	append_param_arg upstream_interface_rtsp

	append_param_arg fcc_listen_port_range
	append_param_arg http_proxy_user_agent
	append_param_arg mcast_rejoin_interval
	append_param_arg rtsp_stun_server
	append_param_arg rtsp_user_agent

	append_param_arg maxclients
	append_param_arg workers
	append_param_arg buffer_pool_max_size
	append_param_arg udp_rcvbuf_size
	append_param_bool zerocopy_on_send

	append_param_arg hostname
	append_param_arg r2h_token
	append_param_arg cors_allow_origin
	append_param_bool xff
	append_param_arg app_path_prefix
	append_param_arg player_page_path
	append_param_arg status_page_path
	append_param_arg external_m3u
	if [ -n "$external_m3u" ]; then
		append_param_arg external_m3u_update_interval
		append_param_bool use_relative_path_in_m3u
	fi

	append_param_arg access_log
	append_param_arg log_format

	append_param_arg ffmpeg_path
	append_param_arg ffmpeg_args
	append_param_bool video_snapshot

	procd_set_param limits core="unlimited"
	procd_set_param limits nofile="1000000 1000000"
	procd_set_param respawn
	procd_set_param stdout 1
	procd_set_param stderr 1

	procd_close_instance
}

start_service() {
	config_load "$CONF"

	config_foreach validate_rtp2httpd_section "instance" start_instance
}

service_triggers() {
	procd_add_reload_trigger "$CONF"
}