Track is shadowsocks is up or not

omr-tracker/files/bin/omr-tracker-ss

@@ -0,0 +1,31 @@
+#!/bin/sh
+# vim: set noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 :
+
+name=$0
+basename="$(basename $0)"
+
+log() {
+	logger -p daemon.info -t "${basename}" "$@"
+}
+
+timeout=$OMR_TRACKER_TIMEOUT
+interval=$OMR_TRACKER_INTERVAL
+retry=$OMR_TRACKER_TRIES
+proxy=$OMR_TRACKER_PROXY
+
+last=0
+
+while true; do
+	host=${OMR_TRACKER_HOSTS%% *}
+	if curl -s --socks5 "${proxy}" --max-time "${timeout}" --retry "${retry}" "$host" &>/dev/null ; then
+		[ ${last} = 0 ] && log "Shadowsocks is up"
+		/etc/init.d/shadowsocks-libev rules_up 2> /dev/null
+		last=1
+	else
+		[ ${last} = 1 ] && log "Shadowsocks is down"
+		/etc/init.d/shadowsocks-libev rules_down 2> /dev/null
+		last=0
+	fi
+
+	sleep "${interval}"
+done

omr-tracker/files/etc/config/omr-tracker

@@ -10,6 +10,14 @@ config defaults 'defaults'
         list hosts '80.67.169.40'
         option timeout '1'
         option tries '4'
-        option interval '2'
+        option interval '4'
         option type 'ping'
         option options ''
+
+config defaults 'shadowsocks'
+	option enabled '1'
+	list hosts 'google.com'
+	list hosts 'bing.com'
+	option timeout '1'
+	option tries '2'
+	option interval '10'

omr-tracker/files/etc/init.d/omr-tracker

@@ -18,7 +18,7 @@ _validate_section() {
 		'timeout:uinteger'  \
 		'tries:uinteger'    \
 		'interval:uinteger' \
-		'type:string'       \
+		'type:string:ping'  \
 		'enabled:bool:1'    \
 		'options:string'
 
@@ -36,10 +36,7 @@ _launch_tracker() {
 		loopback|lan*|if0*|tun*) return;;
 	esac
 
-	local interface_type
-	config_get interface_type "$1" type
-
-	local hosts timeout tries interval options type
+	local hosts timeout tries interval options type enabled
 	_validate_section "defaults" "defaults"
 	_validate_section "interface" "$1"
 
@@ -50,7 +47,6 @@ _launch_tracker() {
 
 	[ -z "$ifname" ] || [ -z "$multipath" ] || [ "$multipath" = "off" ] && [ "$1" != "glorytun" ] && return
 	[ $enabled = 0 ] && return
-	[ -z "$type" ] && type="ping"
 
 	procd_open_instance
 	# shellcheck disable=SC2086
@@ -69,9 +65,70 @@ _launch_tracker() {
 	procd_close_instance
 }
 
+_initialize_shadowsocks_tracker() {
+	local redir_tcp server tracker_server
+	config_get redir_tcp ss_rules redir_tcp
+	config_get server $redir_tcp server
+	config_get tracker_server "tracker" server
+	[ "$server" = "$tracker_server" ] || {
+		[ -z "$tracker_server" ] && {
+			uci -q batch <<-EOF >/dev/null
+			    set shadowsocks-libev.tracker=ss_local
+			    set shadowsocks-libev.tracker.server=$server
+			    set shadowsocks-libev.tracker.local_address="127.0.0.1"
+			    set shadowsocks-libev.tracker.local_port=1111
+			    set shadowsocks-libev.tracker.mode=tcp_and_udp
+			    set shadowsocks-libev.tracker.timeout=60
+			    set shadowsocks-libev.tracker.fast_open=1
+			    set shadowsocks-libev.tracker.reuse_port=1
+			    set shadowsocks-libev.tracker.mptcp=1
+			    set shadowsocks-libev.tracker.verbose=0
+			    commit shadowsocks-libev
+			EOF
+		} || {
+			uci -q set shadowsocks-libev.tracker.server=$server
+		}
+		/etc/init.d/shadowsocks-libev restart
+	}
+}
+
+_launch_shadowsocks_tracker() {
+	local hosts timeout tries interval local_port enabled
+	
+	[ "$1" = "tracker" ] || return
+	
+	_validate_section "defaults" "shadowsocks"
+	
+	config_get local_port "$1" local_port
+	local disabled
+	config_get disabled "$1" disabled 0
+
+	[ $enabled = 0 ] && return
+	[ $disabled = 1 ] && return
+
+	procd_open_instance
+	# shellcheck disable=SC2086
+	procd_set_param command /bin/omr-tracker-ss "$1"
+	procd_append_param env "OMR_TRACKER_HOSTS=$hosts"
+	procd_append_param env "OMR_TRACKER_TIMEOUT=$timeout"
+	procd_append_param env "OMR_TRACKER_TRIES=$tries"
+	procd_append_param env "OMR_TRACKER_INTERVAL=$interval"
+	procd_append_param env "OMR_TRACKER_PROXY=127.0.0.1:$local_port"
+	procd_set_param limits nofile="51200 51200"
+	procd_set_param respawn 0 10 0
+	procd_set_param stderr 1
+	procd_close_instance
+}
+
 start_service() {
+	config_load shadowsocks-libev
+	_initialize_shadowsocks_tracker
+
 	config_load network
 	config_foreach _launch_tracker interface
+
+	config_load shadowsocks-libev
+	config_foreach _launch_shadowsocks_tracker ss_local
 }
 
 service_triggers() {