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#!/bin/bash
# Copyright 2014 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Some simple helper functions for writing bash scripts.
function Info {
echo -e -n '\e[7m'
echo "$@"
echo -e -n '\e[0m'
}
function Error {
echo -e -n '\e[41m'
echo "$@"
echo -e -n '\e[0m'
}
function Kill {
KILLCMD="${KILLCMD-killall}"
sudo "$KILLCMD" "$@" 2>/dev/null >/dev/null
}
function Running {
Kill -0 "$1"
}
function ReallyKill {
if Running "$1"; then
Info "Killing '$1'"
Kill "$1"
sleep 5
fi
if Running "$1"; then
Info "Killing '$1' again"
Kill "$1"
sleep 5
fi
if Running "$1"; then
Error "Killing '$1' with fire"
Kill -9 "$1"
sleep 1
fi
}
function InstallPackage {
Info "Checking for package '$1'"
if ! dpkg -s $1 >/dev/null 2>/dev/null; then
Info "Have to install package $1"
sudo apt-get install $1
fi
}
function SetCapabilities {
sudo setcap 'CAP_NET_RAW+ep CAP_NET_ADMIN+ep CAP_IPC_LOCK+ep' "$1"
}
function Sleep {
Info "Sleeping until $(date --date "$1 sec")"
sleep $1
}
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