164 lines
6.2 KiB
Bash
164 lines
6.2 KiB
Bash
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#!/bin/bash
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# Copyright (C) 2020 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This script is used to update audio policy configuration files
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# to comply with the updated audio_policy_configuration.xsd from V7.0.
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#
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# The main difference is the separator used in lists for attributes.
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# Since the XML Schema Definition standard only allows space to be
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# used as a separator (see https://www.w3.org/TR/xmlschema11-2/#list-datatypes)
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# the previous versions used a regular expression to validate lists
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# in attribute values. E.g. the channel masks were validated using
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# the following regexp: [_A-Z][_A-Z0-9]*(,[_A-Z][_A-Z0-9]*)*
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# This has an obvious drawback of missing typos in the config file.
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#
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# The V7.0 has shifted to defining most of the frequently changed
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# types in the XSD schema only. This allows for verifying all the values
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# in lists, but in order to comply with XML Schema requirements
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# list elements must be separated by space.
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#
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# Since the APM config files typically use include directives,
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# the script must be pointed to the main APM config file and will
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# take care all the included files automatically.
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# If the included file is a shared version from 'frameworks/av',
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# instead of updating it the script checks if there is a newer
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# version with the corresponding name suffix (e.g.
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# 'a2dp_audio_policy_configuration_7_0.xml') and updates the include
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# path instead.
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set -euo pipefail
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if (echo "$@" | grep -qe "^-h"); then
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echo "This script will update Audio Policy Manager config file"
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echo "to the format required by V7.0 XSD schema from a previous"
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echo "version."
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echo
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echo "USAGE: $0 [APM_XML_FILE] [OLD_VERSION]"
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echo " APM_XML_FILE specifies the path to audio_policy_configuration.xml"
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echo " relative to Android repository root"
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echo " OLD_VERSION specifies the version of schema currently used"
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echo
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echo "Example: $0 device/generic/goldfish/audio/policy/audio_policy_configuration.xml 6.0"
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exit
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fi
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readonly HAL_DIRECTORY=hardware/interfaces/audio
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readonly SHARED_CONFIGS_DIRECTORY=frameworks/av/services/audiopolicy/config
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readonly OLD_VERSION=${2:-$(ls ${ANDROID_BUILD_TOP}/${HAL_DIRECTORY} | grep -E '[0-9]+\.[0-9]+' |
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sort -n | tail -n1)}
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readonly NEW_VERSION=7.0
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readonly NEW_VERSION_UNDERSCORE=7_0
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readonly SOURCE_CONFIG=${ANDROID_BUILD_TOP}/$1
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# First, validate the input using the schema of the current version
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echo Validating the source against the $OLD_VERSION schema
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xmllint --noout --xinclude \
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--nofixup-base-uris --path "$ANDROID_BUILD_TOP/$SHARED_CONFIGS_DIRECTORY" \
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--schema ${ANDROID_BUILD_TOP}/${HAL_DIRECTORY}/${OLD_VERSION}/config/audio_policy_configuration.xsd \
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${SOURCE_CONFIG}
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if [ $? -ne 0 ]; then
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echo
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echo "Config file fails validation for the specified version $OLD_VERSION--unsafe to update"
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exit 1
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fi
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# Find all the source files recursively
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SOURCE_FILES=${SOURCE_CONFIG}
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SHARED_FILES=
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findIncludes() {
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local FILES_TO_CHECK=
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for F in $1; do
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local FOUND_INCLUDES=$(grep -Po '<xi:include href="\K[^"]+(?="\/>)' ${F})
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for I in ${FOUND_INCLUDES}; do
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SOURCE_FULL_PATH=$(dirname ${F})/${I}
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SHARED_FULL_PATH=${ANDROID_BUILD_TOP}/${SHARED_CONFIGS_DIRECTORY}/${I}
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if [ -f "$SOURCE_FULL_PATH" ]; then
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# Device-specific file.
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SOURCE_FILES+=$'\n'${SOURCE_FULL_PATH}
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FILES_TO_CHECK+=$'\n'${SOURCE_FULL_PATH}
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elif [ -f "$SHARED_FULL_PATH" ]; then
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# Shared file from the frameworks repo.
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SHARED_FILES+=$'\n'${I}
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FILES_TO_CHECK+=$'\n'${SHARED_FULL_PATH}
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else
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echo
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echo "Include file not found: $I"
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exit 1
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fi
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done
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done
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if [ "$FILES_TO_CHECK" ]; then
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findIncludes "$FILES_TO_CHECK"
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fi
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}
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findIncludes ${SOURCE_FILES}
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echo "Will update $1 and included device-specific files in place."
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echo "Will update paths to shared included files."
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echo "Press Ctrl-C to cancel, Enter to continue"
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read
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# Update 'audioPolicyConfiguration version="1.0"' -> 7.0 in the main file
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sed -i -r -e 's/(audioPolicyConfiguration version=")1.0/\17.0/' ${SOURCE_CONFIG}
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updateFile() {
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FILE=$1
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ATTR=$2
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SEPARATOR=$3
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SRC_LINES=$(grep -nPo "$ATTR=\"[^\"]+\"" ${FILE} || true)
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for S in $SRC_LINES; do
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# Prepare instruction for 'sed' for in-place editing of specified line
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R=$(echo ${S} | sed -e 's/^[0-9]\+:/\//' | sed -e "s/$SEPARATOR/ /g")
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S=$(echo ${S} | sed -e 's/:/s\//')${R}/
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echo ${S} | sed -i -f - ${FILE}
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done
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}
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for F in $SOURCE_FILES; do
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updateFile ${F} "channelMasks" ","
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updateFile ${F} "samplingRates" ","
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updateFile ${F} "flags" "|"
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done;
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updateIncludes() {
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FILE=$1
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for I in $SHARED_FILES; do
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NEW_VERSION_I=${I%.*}_${NEW_VERSION_UNDERSCORE}.${I##*.}
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if [ -e "$ANDROID_BUILD_TOP/$SHARED_CONFIGS_DIRECTORY/$NEW_VERSION_I" ]; then
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echo "s/$I/$NEW_VERSION_I/g" | sed -i -f - ${FILE}
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fi
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done
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}
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for F in $SOURCE_FILES; do
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updateIncludes ${F}
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done
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# Validate the results against the new schema
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echo Validating the result against the $NEW_VERSION schema
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xmllint --noout --xinclude \
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--nofixup-base-uris --path "$ANDROID_BUILD_TOP/$SHARED_CONFIGS_DIRECTORY" \
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--schema ${ANDROID_BUILD_TOP}/${HAL_DIRECTORY}/${NEW_VERSION}/config/audio_policy_configuration.xsd \
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${SOURCE_CONFIG}
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if [ $? -ne 0 ]; then
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echo
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echo "Config file fails validation for the specified version $NEW_VERSION--please check the changes"
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exit 1
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fi
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echo
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echo "Please check the diff and update path to APM shared files in the device makefile!"
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