566293d228
start all mwan3mon and mwan3track instances on mwan3 start if an interface is down when mwan3track starts, it waits for a signal from the hotplug script to start procd can then handle stopping all of the scripts when mwan3 is halted Signed-off-by: Aaron Goodman <aaronjg@stanford.edu>
97 lines
2.9 KiB
Bash
97 lines
2.9 KiB
Bash
#!/bin/sh
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. /lib/functions.sh
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. /lib/functions/network.sh
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. /lib/mwan3/mwan3.sh
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. /usr/share/libubox/jshn.sh
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. /lib/mwan3/common.sh
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SCRIPTNAME="mwan3-hotplug"
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[ "$ACTION" = "ifup" ] || [ "$ACTION" = "ifdown" ] || [ "$ACTION" = "connected" ] || [ "$ACTION" = "disconnected" ] || exit 1
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[ -n "$INTERFACE" ] || exit 2
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[ "$FIRSTCONNECT" = "1" ] || [ "$MWAN3_SHUTDOWN" = "1" ] && exit 0
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if { [ "$ACTION" = "ifup" ] || [ "$ACTION" = "connected" ] ; } && [ -z "$DEVICE" ]; then
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LOG notice "$ACTION called on $INTERFACE with no device set"
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exit 3
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fi
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[ "$MWAN3_STARTUP" = 1 ] || mwan3_lock "$ACTION" "$INTERFACE"
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config_load mwan3
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/etc/init.d/mwan3 running || {
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[ "$MWAN3_STARTUP" = 1 ] || mwan3_unlock "$ACTION" "$INTERFACE"
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LOG notice "mwan3 hotplug $ACTION on $INTERFACE not called because globally disabled"
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mwan3_flush_conntrack "$INTERFACE" "$ACTION"
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exit 0
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}
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$IPT4 -S mwan3_hook &>/dev/null || {
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mwan3_unlock "$ACTION" "$INTERFACE"
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LOG warn "hotplug called on $INTERFACE before mwan3 has been set up"
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exit 0
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}
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mwan3_init
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[ "$MWAN3_STARTUP" = 1 ] || {
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config_get family $INTERFACE family ipv4
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mwan3_set_connected_${family}
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}
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if [ "$MWAN3_STARTUP" != 1 ] && [ "$ACTION" = "ifup" ]; then
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mwan3_set_user_iface_rules $INTERFACE $DEVICE
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fi
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config_get_bool enabled $INTERFACE 'enabled' '0'
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[ "${enabled}" -eq 1 ] || {
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[ "$MWAN3_STARTUP" = 1 ] || mwan3_unlock "$ACTION" "$INTERFACE"
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LOG notice "mwan3 hotplug on $INTERFACE not called because interface disabled"
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exit 0
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}
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config_get initial_state $INTERFACE initial_state "online"
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if [ "$initial_state" = "offline" ]; then
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status=$(cat $MWAN3TRACK_STATUS_DIR/$INTERFACE/STATUS 2>/dev/null || echo unknown)
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[ "$status" = "online" ] || status=offline
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else
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status=online
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fi
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if [ "$ACTION" = ifup ] || [ "$ACTION" = ifdown ]; then
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initscript=/etc/init.d/mwan3
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. /lib/functions/procd.sh
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fi
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LOG notice "Execute $ACTION event on interface $INTERFACE (${DEVICE:-unknown})"
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case "$ACTION" in
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connected)
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mwan3_set_iface_hotplug_state $INTERFACE "online"
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mwan3_set_policies_iptables
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;;
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ifup)
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mwan3_create_iface_iptables $INTERFACE $DEVICE
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mwan3_create_iface_rules $INTERFACE $DEVICE
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mwan3_set_iface_hotplug_state $INTERFACE "$status"
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if [ "$MWAN3_STARTUP" != 1 ]; then
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mwan3_create_iface_route $INTERFACE $DEVICE
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[ "$status" = "online" ] && mwan3_set_policies_iptables
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fi
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[ "$ACTION" = ifup ] && procd_running mwan3 "track_$INTERFACE" && procd_send_signal mwan3 "track_$INTERFACE" USR2
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;;
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disconnected)
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mwan3_set_iface_hotplug_state $INTERFACE "offline"
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mwan3_set_policies_iptables
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;;
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ifdown)
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mwan3_set_iface_hotplug_state $INTERFACE "offline"
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mwan3_delete_iface_ipset_entries $INTERFACE
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mwan3_delete_iface_rules $INTERFACE
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mwan3_delete_iface_route $INTERFACE
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mwan3_delete_iface_iptables $INTERFACE
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procd_running mwan3 "track_$INTERFACE" && procd_send_signal mwan3 "track_$INTERFACE" USR1
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mwan3_set_policies_iptables
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;;
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esac
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[ "$MWAN3_STARTUP" = 1 ] || mwan3_unlock "$ACTION" "$INTERFACE"
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exit 0
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