+++ /dev/null
-#!/bin/sh
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# Copyright (C) 2012-4 Michael D. Taht, Toke Høiland-Jørgensen, Sebastian Moeller
-
-
-. /lib/functions.sh
-
-STOP=
-ACTIVE_STATE_PREFIX="SQM_active_on_"
-ACTIVE_STATE_FILE_DIR="/var/run/SQM"
-mkdir -p ${ACTIVE_STATE_FILE_DIR}
-
-
-START_ON_IF=$2 # only process this interface
-# TODO if $2 is empty select all interfaces with running sqm instance
-if [ -z ${START_ON_IF} ] ;
-then
- # find all interfaces with active sqm instance
- logger -t SQM -s "Trying to start/stop SQM on all interfaces."
- PROTO_STATE_FILE_LIST=$( ls ${ACTIVE_STATE_FILE_DIR}/${ACTIVE_STATE_PREFIX}* 2> /dev/null )
-else
- # only try to restart the just hotplugged interface, so reduce the list of interfaces to stop to the specified one
- logger -t SQM -s "Trying to start/stop SQM on interface ${START_ON_IF}"
- PROTO_STATE_FILE_LIST=${ACTIVE_STATE_FILE_DIR}/${ACTIVE_STATE_PREFIX}${START_ON_IF}
-fi
-
-
-
-
-case ${1} in
- start)
- # just run through, same as passing no argument
- ;;
- stop)
- logger -t SQM -s "run.sh stop"
- STOP=$1
- ;;
-esac
-
-
-
-
-
-
-# the current uci config file does not necessarily contain sections for all interfaces with active
-# SQM instances, so use the ACTIVE_STATE_FILES to detect the interfaces on which to stop SQM.
-# Currently the .qos scripts start with stopping any existing traffic shaping so this should not
-# effectively change anything...
-for STATE_FILE in ${PROTO_STATE_FILE_LIST} ; do
- if [ -f ${STATE_FILE} ] ;
- then
- STATE_FILE_BASE_NAME=$( basename ${STATE_FILE} )
- CURRENT_INTERFACE=${STATE_FILE_BASE_NAME:${#ACTIVE_STATE_PREFIX}:$(( ${#STATE_FILE_BASE_NAME} - ${#ACTIVE_STATE_PREFIX} ))}
- logger -t SQM -s "${0} Stopping SQM on interface: ${CURRENT_INTERFACE}"
- /usr/lib/sqm/stop.sh ${CURRENT_INTERFACE}
- rm ${STATE_FILE} # well, we stop it so it is not running anymore and hence no active state file needed...
- fi
-done
-
-config_load sqm
-
-run_simple_qos() {
- local section="$1"
- export IFACE=$(config_get "$section" interface)
-
- # If called explicitly for one interface only , so ignore anything else
- [ -n "${START_ON_IF}" -a "$START_ON_IF" != "$IFACE" ] && return
- #logger -t SQM -s "marching on..."
-
- ACTIVE_STATE_FILE_FQN="${ACTIVE_STATE_FILE_DIR}/${ACTIVE_STATE_PREFIX}${IFACE}" # this marks interfaces as active with SQM
- [ -f "${ACTIVE_STATE_FILE_FQN}" ] && logger -t SQM -s "Uh, oh, ${ACTIVE_STATE_FILE_FQN} should already be stopped." # Not supposed to happen
-
- if [ $(config_get "$section" enabled) -ne 1 ];
- then
- if [ -f "${ACTIVE_STATE_FILE_FQN}" ];
- then
- # this should not be possible, delete after testing
- local SECTION_STOP="stop" # it seems the user just de-selected enable, so stop the active SQM
- else
- logger -t SQM -s "${0} SQM for interface ${IFACE} is not enabled, skipping over..."
- return 0 # since SQM is not active on the current interface nothing to do here
- fi
- fi
-
- export UPLINK=$(config_get "$section" upload)
- export DOWNLINK=$(config_get "$section" download)
- export LLAM=$(config_get "$section" linklayer_adaptation_mechanism)
- export LINKLAYER=$(config_get "$section" linklayer)
- export OVERHEAD=$(config_get "$section" overhead)
- export STAB_MTU=$(config_get "$section" tcMTU)
- export STAB_TSIZE=$(config_get "$section" tcTSIZE)
- export STAB_MPU=$(config_get "$section" tcMPU)
- export ILIMIT=$(config_get "$section" ilimit)
- export ELIMIT=$(config_get "$section" elimit)
- export ITARGET=$(config_get "$section" itarget)
- export ETARGET=$(config_get "$section" etarget)
- export IECN=$(config_get "$section" ingress_ecn)
- export EECN=$(config_get "$section" egress_ecn)
- export IQDISC_OPTS=$(config_get "$section" iqdisc_opts)
- export EQDISC_OPTS=$(config_get "$section" eqdisc_opts)
- export TARGET=$(config_get "$section" target)
- export SQUASH_DSCP=$(config_get "$section" squash_dscp)
- export SQUASH_INGRESS=$(config_get "$section" squash_ingress)
-
- export QDISC=$(config_get "$section" qdisc)
- export SCRIPT=/usr/lib/sqm/$(config_get "$section" script)
-
-# # there should be nothing left to stop, so just avoid calling the script
- if [ "$STOP" == "stop" -o "$SECTION_STOP" == "stop" ];
- then
-# /usr/lib/sqm/stop.sh
-# [ -f ${ACTIVE_STATE_FILE_FQN} ] && rm ${ACTIVE_STATE_FILE_FQN} # conditional to avoid errors ACTIVE_STATE_FILE_FQN does not exist anymore
-# $(config_set "$section" enabled 0) # this does not save to the config file only to the loaded memory representation
- logger -t SQM -s "${0} SQM qdiscs on ${IFACE} removed"
- return 0
- fi
- # in case of spurious hotplug events, try double check whether the interface is really up
- if [ ! -d /sys/class/net/${IFACE} ] ;
- then
- echo "${IFACE} does currently not exist, not even trying to start SQM on nothing." > /dev/kmsg
- logger -t SQM -s "${IFACE} does currently not exist, not even trying to start SQM on nothing."
- return 0
- fi
-
- logger -t SQM -s "${0} Queue Setup Script: ${SCRIPT}"
- [ -x "$SCRIPT" ] && { $SCRIPT ; touch ${ACTIVE_STATE_FILE_FQN}; }
-}
-
-config_foreach run_simple_qos
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