111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
/*
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* Copyright (C) 2017 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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*/
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#define LOG_TAG "hwservicemanager"
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//#define LOG_NDEBUG 0
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#include "Vintf.h"
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#include <android-base/logging.h>
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#include <vintf/parse_string.h>
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#include <vintf/VintfObject.h>
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namespace android {
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namespace hardware {
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vintf::Transport getTransportFromManifest(
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const FQName &fqName, const std::string &instanceName,
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const std::shared_ptr<const vintf::HalManifest>& vm) {
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if (vm == nullptr) {
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return vintf::Transport::EMPTY;
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}
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return vm->getHidlTransport(fqName.package(), fqName.getVersion(),
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fqName.name(), instanceName);
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}
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vintf::Transport getTransport(const std::string &interfaceName, const std::string &instanceName) {
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FQName fqName;
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if (!FQName::parse(interfaceName, &fqName)) {
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LOG(ERROR) << __FUNCTION__ << ": " << interfaceName
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<< " is not a valid fully-qualified name.";
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return vintf::Transport::EMPTY;
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}
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if (!fqName.hasVersion()) {
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LOG(ERROR) << __FUNCTION__ << ": " << fqName.string()
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<< " does not specify a version.";
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return vintf::Transport::EMPTY;
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}
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if (fqName.name().empty()) {
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LOG(ERROR) << __FUNCTION__ << ": " << fqName.string()
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<< " does not specify an interface name.";
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return vintf::Transport::EMPTY;
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}
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vintf::Transport tr = getTransportFromManifest(fqName, instanceName,
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vintf::VintfObject::GetFrameworkHalManifest());
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if (tr != vintf::Transport::EMPTY) {
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return tr;
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}
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tr = getTransportFromManifest(fqName, instanceName,
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vintf::VintfObject::GetDeviceHalManifest());
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if (tr != vintf::Transport::EMPTY) {
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return tr;
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}
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LOG(INFO) << __FUNCTION__ << ": Cannot find entry " << fqName.string() << "/" << instanceName
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<< " in either framework or device VINTF manifest.";
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return vintf::Transport::EMPTY;
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}
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static void insertManifestInstances(const FQName& fqName,
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const std::shared_ptr<const vintf::HalManifest>& manifest,
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const std::string& manifestType,
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std::set<std::string>* toSet) {
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if (manifest == nullptr) {
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LOG(ERROR) << "Device is missing " << manifestType << " manifest.";
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return;
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}
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std::set<std::string> manifestSet = manifest->getHidlInstances(
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fqName.package(), fqName.getVersion(), fqName.name());
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toSet->insert(manifestSet.begin(), manifestSet.end());
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}
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std::set<std::string> getInstances(const std::string& interfaceName) {
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FQName fqName;
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if (!FQName::parse(interfaceName, &fqName) || !fqName.isFullyQualified() ||
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fqName.isValidValueName() || !fqName.isInterfaceName()) {
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LOG(ERROR) << __FUNCTION__ << ": " << interfaceName
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<< " is not a valid fully-qualified name.";
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return {};
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}
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std::set<std::string> ret;
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insertManifestInstances(
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fqName, vintf::VintfObject::GetDeviceHalManifest(), "device", &ret);
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insertManifestInstances(
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fqName, vintf::VintfObject::GetFrameworkHalManifest(), "framework", &ret);
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return ret;
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}
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} // hardware
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} // android
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