248 lines
5.9 KiB
Bash
248 lines
5.9 KiB
Bash
#!/bin/sh /etc/rc.common
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# Copyright (C) 2006-2011 OpenWrt.org
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START=80
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USE_PROCD=1
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BIN=/usr/sbin/apinger
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APINGER_RRD=/apinger/rrd
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. /lib/functions/network.sh
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set_config_file() {
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export CONFIG_FILE="/var/run/apinger-$instance.conf"
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}
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set_status_file() {
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export STATUS_FILE="/var/run/apinger-$instance.status"
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}
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write_config_block() {
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local cfg_var="CONFIG_BLOCK_$instance"
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eval echo -e "\$$cfg_var" >> "$CONFIG_FILE"
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}
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start_config_block() {
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eval "export CONFIG_BLOCK_$instance=''"
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append CONFIG_BLOCK_$instance "$* {" "\n"
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}
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close_config_block() {
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append CONFIG_BLOCK_$instance "}" "\n"
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}
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append_config_line() {
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append CONFIG_BLOCK_$instance "\t$*" "\n"
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}
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append_target() {
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local target=$1
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local interface address probe_interval srcip
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local avg_delay_samples avg_loss_samples avg_loss_delay_samples
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local alarm_down alarm_delay alarm_loss alarms rrd
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config_get interface "$target" interface wan
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[ "$interface" != "$instance" ] && return 0
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config_get address "$target" address
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config_get probe_interval "$target" probe_interval
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config_get avg_delay_samples "$target" avg_delay_samples
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config_get avg_loss_samples "$target" avg_loss_samples
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config_get avg_loss_delay_samples "$target" avg_loss_delay_samples
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config_get alarm_down "$target" alarm_down
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config_get alarm_delay "$target" alarm_delay
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config_get alarm_loss "$target" alarm_loss
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config_get_bool rrd "$target" rrd 0
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[ -z "$address" ] && return 0
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if [ -z $(echo "$address"|sed "/:/d") ]; then
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srcip=$(uci_get network "$interface" ip6addr)
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[ -z "$srcip"] && network_get_ipaddr6 srcip "$interface"
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srcip="${srcip:-::}"
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else
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srcip=$(uci_get network "$interface" ipaddr)
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[ -z "$srcip"] && network_get_ipaddr srcip "$interface"
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srcip="${srcip:-0.0.0.0}"
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fi
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alarms=${alarm_down:+\"${alarm_down}\"}
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alarms=${alarm_delay:+${alarms:+${alarms}, }}${alarm_delay:+\"${alarm_delay}\"}
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alarms=${alarm_loss:+${alarms:+${alarms}, }}${alarm_loss:+\"${alarm_loss}\"}
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start_config_block "target \"$address\""
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append_config_line "srcip \"$srcip\""
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append_config_line "description \"$target\""
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[ -n "$probe_interval" ] && append_config_line "interval ${probe_interval}s"
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[ -n "$avg_delay_samples" ] && append_config_line "avg_delay_samples ${avg_delay_samples}"
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[ -n "$avg_loss_samples" ] && append_config_line "avg_loss_samples ${avg_loss_samples}"
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[ -n "$avg_loss_delay_samples" ] && append_config_line "avg_loss_delay_samples ${avg_loss_delay_samples}"
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[ -n "$alarms" ] && append_config_line "alarms override ${alarms}"
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[ "$rrd" = "1" ] && append_config_line "rrd file \"$APINGER_RRD/apinger-target-$target.rrd\""
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close_config_block
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write_config_block
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}
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append_alarm_down() {
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local alarm=$1
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local time
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config_get time "$alarm" time 5
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[ -z "$time" ] && return
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start_config_block "alarm down \"$alarm\""
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append_config_line "time ${time}s"
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close_config_block
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write_config_block
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}
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append_alarm_delay() {
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local alarm=$1
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local delay_low delay_high
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config_get delay_low "$alarm" delay_low
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config_get delay_high "$alarm" delay_high
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if [ -z "$delay_low" ] || [ -z "$delay_high" ]; then
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return
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fi
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start_config_block "alarm delay \"$alarm\""
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append_config_line "delay_low ${delay_low}ms"
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append_config_line "delay_high ${delay_high}ms"
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close_config_block
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write_config_block
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}
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append_alarm_loss() {
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local alarm=$1
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local percent_low percent_high
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config_get percent_low "$alarm" percent_low
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config_get percent_high "$alarm" percent_high
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if [ -z "$percent_low" ] || [ -z "$percent_high" ]; then
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return
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fi
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start_config_block "alarm loss \"$alarm\""
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append_config_line "percent_low ${percent_low}"
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append_config_line "percent_high ${percent_high}"
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close_config_block
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write_config_block
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}
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init_apinger_config() {
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local debug status_interval rrd_interval instance
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instance=$1
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config_get_bool debug "$instance" debug 0
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config_get status_interval "$instance" status_interval 1
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config_get rrd_interval "$instance" rrd_interval 30
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[ "$debug" = "1" ] && debug=on || debug=off
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set_config_file
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set_status_file
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cat << EOF > "$CONFIG_FILE"
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user "root"
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group "root"
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debug ${debug}
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rrd interval ${rrd_interval}s
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status {
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scriptformat on
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file "$STATUS_FILE"
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interval ${status_interval}s
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}
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alarm down "down" {
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time 30s
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}
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alarm delay "delay" {
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delay_low 5ms
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delay_high 20ms
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}
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alarm loss "loss" {
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percent_low 3
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percent_high 5
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}
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alarm default {
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command on "/usr/libexec/apinger-hotplug up $instance '%t' '%i' '%T' '%a' '%A' '%r' '%p' '%P' '%l' '%d' '%s'"
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command off "/usr/libexec/apinger-hotplug down $instance '%t' '%i' '%T' '%a' '%A' '%r' '%p' '%P' '%l' '%d' '%s'"
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}
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target default {
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interval 1s
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avg_delay_samples 10
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avg_loss_samples 50
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avg_loss_delay_samples 20
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alarms "down", "delay", "loss"
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}
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EOF
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}
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start_instance() {
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export instance=$1
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local enabled
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config_get_bool enabled "$instance" enabled 1
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[ "$enabled" != "1" ] && return 0
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init_apinger_config "$instance"
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config_foreach append_alarm_down alarm_down
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config_foreach append_alarm_delay alarm_delay
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config_foreach append_alarm_loss alarm_loss
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config_foreach append_target target
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procd_open_instance "$instance"
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procd_set_param command $BIN -f -c $CONFIG_FILE
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procd_set_param stderr 1
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procd_close_instance
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}
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start_service() {
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local instance=$1
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config_load apinger
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[ ! -d "$APINGER_RRD" ] && mkdir -p "$APINGER_RRD"
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if [ -n "$instance" ]; then
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start_instance "$instance"
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else
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config_foreach start_instance interface
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fi
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}
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service_triggers() {
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procd_add_reload_trigger apinger
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}
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clean_instance() {
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local instance=$1
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set_config_file
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set_status_file
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[ -e $CONFIG_FILE ] && rm -f $CONFIG_FILE
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[ -e $STATUS_FILE ] && rm -f $STATUS_FILE
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}
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service_stopped() {
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local instance=$1
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config_load apinger
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if [ -n "$instance" ]; then
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clean_instance "$instance"
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else
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config_foreach clean_instance interface
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fi
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}
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reload_service() {
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restart
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}
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