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