| /* |
| * 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. |
| */ |
| |
| #include "VintfObject.h" |
| |
| #include "CompatibilityMatrix.h" |
| #include "parse_string.h" |
| #include "parse_xml.h" |
| #include "utils.h" |
| |
| #include <dirent.h> |
| |
| #include <functional> |
| #include <memory> |
| #include <mutex> |
| |
| #include <android-base/logging.h> |
| |
| using std::placeholders::_1; |
| using std::placeholders::_2; |
| |
| namespace android { |
| namespace vintf { |
| |
| using namespace details; |
| |
| template <typename T> |
| struct LockedSharedPtr { |
| std::shared_ptr<T> object; |
| std::mutex mutex; |
| bool fetchedOnce = false; |
| }; |
| |
| struct LockedRuntimeInfoCache { |
| std::shared_ptr<RuntimeInfo> object; |
| std::mutex mutex; |
| RuntimeInfo::FetchFlags fetchedFlags = RuntimeInfo::FetchFlag::NONE; |
| }; |
| |
| template <typename T, typename F> |
| static std::shared_ptr<const T> Get( |
| LockedSharedPtr<T> *ptr, |
| bool skipCache, |
| const F &fetchAllInformation) { |
| std::unique_lock<std::mutex> _lock(ptr->mutex); |
| if (skipCache || !ptr->fetchedOnce) { |
| ptr->object = std::make_unique<T>(); |
| std::string error; |
| if (fetchAllInformation(ptr->object.get(), &error) != OK) { |
| LOG(WARNING) << error; |
| ptr->object = nullptr; // frees the old object |
| } |
| ptr->fetchedOnce = true; |
| } |
| return ptr->object; |
| } |
| |
| // static |
| std::shared_ptr<const HalManifest> VintfObject::GetDeviceHalManifest(bool skipCache) { |
| static LockedSharedPtr<HalManifest> gVendorManifest; |
| return Get(&gVendorManifest, skipCache, &VintfObject::FetchDeviceHalManifest); |
| } |
| |
| // static |
| std::shared_ptr<const HalManifest> VintfObject::GetFrameworkHalManifest(bool skipCache) { |
| static LockedSharedPtr<HalManifest> gFrameworkManifest; |
| return Get(&gFrameworkManifest, skipCache, &VintfObject::FetchFrameworkHalManifest); |
| } |
| |
| |
| // static |
| std::shared_ptr<const CompatibilityMatrix> VintfObject::GetDeviceCompatibilityMatrix(bool skipCache) { |
| static LockedSharedPtr<CompatibilityMatrix> gDeviceMatrix; |
| return Get(&gDeviceMatrix, skipCache, &VintfObject::FetchDeviceMatrix); |
| } |
| |
| // static |
| std::shared_ptr<const CompatibilityMatrix> VintfObject::GetFrameworkCompatibilityMatrix(bool skipCache) { |
| static LockedSharedPtr<CompatibilityMatrix> gFrameworkMatrix; |
| static LockedSharedPtr<CompatibilityMatrix> gCombinedFrameworkMatrix; |
| static std::mutex gFrameworkCompatibilityMatrixMutex; |
| |
| // To avoid deadlock, get device manifest before any locks. |
| auto deviceManifest = GetDeviceHalManifest(); |
| |
| std::unique_lock<std::mutex> _lock(gFrameworkCompatibilityMatrixMutex); |
| |
| auto combined = |
| Get(&gCombinedFrameworkMatrix, skipCache, |
| std::bind(&VintfObject::GetCombinedFrameworkMatrix, deviceManifest, _1, _2)); |
| if (combined != nullptr) { |
| return combined; |
| } |
| |
| return Get(&gFrameworkMatrix, skipCache, |
| std::bind(&CompatibilityMatrix::fetchAllInformation, _1, kSystemLegacyMatrix, _2)); |
| } |
| |
| status_t VintfObject::GetCombinedFrameworkMatrix( |
| const std::shared_ptr<const HalManifest>& deviceManifest, CompatibilityMatrix* out, |
| std::string* error) { |
| auto matrixFragments = GetAllFrameworkMatrixLevels(error); |
| if (matrixFragments.empty()) { |
| return NAME_NOT_FOUND; |
| } |
| |
| Level deviceLevel = Level::UNSPECIFIED; |
| |
| if (deviceManifest != nullptr) { |
| deviceLevel = deviceManifest->level(); |
| } |
| |
| // TODO(b/70628538): Do not infer from Shipping API level. |
| if (deviceLevel == Level::UNSPECIFIED) { |
| auto shippingApi = getPropertyFetcher().getUintProperty("ro.product.first_api_level", 0u); |
| if (shippingApi != 0u) { |
| deviceLevel = details::convertFromApiLevel(shippingApi); |
| } |
| } |
| |
| if (deviceLevel == Level::UNSPECIFIED) { |
| // Cannot infer FCM version. Combine all matrices by assuming |
| // Shipping FCM Version == min(all supported FCM Versions in the framework) |
| for (auto&& pair : matrixFragments) { |
| Level fragmentLevel = pair.object.level(); |
| if (fragmentLevel != Level::UNSPECIFIED && deviceLevel > fragmentLevel) { |
| deviceLevel = fragmentLevel; |
| } |
| } |
| } |
| |
| if (deviceLevel == Level::UNSPECIFIED) { |
| // None of the fragments specify any FCM version. Should never happen except |
| // for inconsistent builds. |
| if (error) { |
| *error = "No framework compatibility matrix files under " + kSystemVintfDir + |
| " declare FCM version."; |
| } |
| return NAME_NOT_FOUND; |
| } |
| |
| CompatibilityMatrix* combined = |
| CompatibilityMatrix::combine(deviceLevel, &matrixFragments, error); |
| if (combined == nullptr) { |
| return BAD_VALUE; |
| } |
| *out = std::move(*combined); |
| return OK; |
| } |
| |
| // Priority for loading vendor manifest: |
| // 1. /vendor/etc/vintf/manifest.xml + ODM manifest |
| // 2. /vendor/etc/vintf/manifest.xml |
| // 3. ODM manifest |
| // 4. /vendor/manifest.xml |
| // where: |
| // A + B means adding <hal> tags from B to A (so that <hal>s from B can override A) |
| status_t VintfObject::FetchDeviceHalManifest(HalManifest* out, std::string* error) { |
| status_t vendorStatus = FetchOneHalManifest(kVendorManifest, out, error); |
| if (vendorStatus != OK && vendorStatus != NAME_NOT_FOUND) { |
| return vendorStatus; |
| } |
| |
| HalManifest odmManifest; |
| status_t odmStatus = FetchOdmHalManifest(&odmManifest, error); |
| if (odmStatus != OK && odmStatus != NAME_NOT_FOUND) { |
| return odmStatus; |
| } |
| |
| if (vendorStatus == OK) { |
| if (odmStatus == OK) { |
| out->addAllHals(&odmManifest); |
| } |
| return OK; |
| } |
| |
| // vendorStatus != OK, "out" is not changed. |
| if (odmStatus == OK) { |
| *out = std::move(odmManifest); |
| return OK; |
| } |
| |
| // Use legacy /vendor/manifest.xml |
| return out->fetchAllInformation(kVendorLegacyManifest, error); |
| } |
| |
| // "out" is written to iff return status is OK. |
| // Priority: |
| // 1. if {sku} is defined, /odm/etc/vintf/manifest_{sku}.xml |
| // 2. /odm/etc/vintf/manifest.xml |
| // 3. if {sku} is defined, /odm/etc/manifest_{sku}.xml |
| // 4. /odm/etc/manifest.xml |
| // where: |
| // {sku} is the value of ro.boot.product.hardware.sku |
| status_t VintfObject::FetchOdmHalManifest(HalManifest* out, std::string* error) { |
| status_t status; |
| |
| std::string productModel; |
| productModel = getPropertyFetcher().getProperty("ro.boot.product.hardware.sku", ""); |
| |
| if (!productModel.empty()) { |
| status = |
| FetchOneHalManifest(kOdmVintfDir + "manifest_" + productModel + ".xml", out, error); |
| if (status == OK || status != NAME_NOT_FOUND) { |
| return status; |
| } |
| } |
| |
| status = FetchOneHalManifest(kOdmManifest, out, error); |
| if (status == OK || status != NAME_NOT_FOUND) { |
| return status; |
| } |
| |
| if (!productModel.empty()) { |
| status = FetchOneHalManifest(kOdmLegacyVintfDir + "manifest_" + productModel + ".xml", out, |
| error); |
| if (status == OK || status != NAME_NOT_FOUND) { |
| return status; |
| } |
| } |
| |
| status = FetchOneHalManifest(kOdmLegacyManifest, out, error); |
| if (status == OK || status != NAME_NOT_FOUND) { |
| return status; |
| } |
| |
| return NAME_NOT_FOUND; |
| } |
| |
| // Fetch one manifest.xml file. "out" is written to iff return status is OK. |
| // Returns NAME_NOT_FOUND if file is missing. |
| status_t VintfObject::FetchOneHalManifest(const std::string& path, HalManifest* out, |
| std::string* error) { |
| HalManifest ret; |
| status_t status = ret.fetchAllInformation(path, error); |
| if (status == OK) { |
| *out = std::move(ret); |
| } |
| return status; |
| } |
| |
| status_t VintfObject::FetchDeviceMatrix(CompatibilityMatrix* out, std::string* error) { |
| CompatibilityMatrix etcMatrix; |
| if (etcMatrix.fetchAllInformation(kVendorMatrix, error) == OK) { |
| *out = std::move(etcMatrix); |
| return OK; |
| } |
| return out->fetchAllInformation(kVendorLegacyMatrix, error); |
| } |
| |
| status_t VintfObject::FetchFrameworkHalManifest(HalManifest* out, std::string* error) { |
| HalManifest etcManifest; |
| if (etcManifest.fetchAllInformation(kSystemManifest, error) == OK) { |
| *out = std::move(etcManifest); |
| return OK; |
| } |
| return out->fetchAllInformation(kSystemLegacyManifest, error); |
| } |
| |
| std::vector<Named<CompatibilityMatrix>> VintfObject::GetAllFrameworkMatrixLevels( |
| std::string* error) { |
| std::vector<std::string> fileNames; |
| std::vector<Named<CompatibilityMatrix>> results; |
| |
| if (details::gFetcher->listFiles(kSystemVintfDir, &fileNames, error) != OK) { |
| return {}; |
| } |
| for (const std::string& fileName : fileNames) { |
| std::string path = kSystemVintfDir + fileName; |
| |
| std::string content; |
| std::string fetchError; |
| status_t status = details::gFetcher->fetch(path, content, &fetchError); |
| if (status != OK) { |
| if (error) { |
| *error += "Framework Matrix: Ignore file " + path + ": " + fetchError + "\n"; |
| } |
| continue; |
| } |
| |
| auto it = results.emplace(results.end()); |
| if (!gCompatibilityMatrixConverter(&it->object, content, error)) { |
| if (error) { |
| *error += "Framework Matrix: Ignore file " + path + ": " + *error + "\n"; |
| } |
| results.erase(it); |
| continue; |
| } |
| } |
| |
| if (results.empty()) { |
| if (error) { |
| *error = "No framework matrices under " + kSystemVintfDir + |
| " can be fetched or parsed.\n" + *error; |
| } |
| } else { |
| if (error && !error->empty()) { |
| LOG(WARNING) << *error; |
| *error = ""; |
| } |
| } |
| |
| return results; |
| } |
| |
| // static |
| std::shared_ptr<const RuntimeInfo> VintfObject::GetRuntimeInfo(bool skipCache, |
| RuntimeInfo::FetchFlags flags) { |
| static LockedRuntimeInfoCache gDeviceRuntimeInfo; |
| std::unique_lock<std::mutex> _lock(gDeviceRuntimeInfo.mutex); |
| |
| if (!skipCache) { |
| flags &= (~gDeviceRuntimeInfo.fetchedFlags); |
| } |
| |
| if (gDeviceRuntimeInfo.object == nullptr) { |
| gDeviceRuntimeInfo.object = details::gRuntimeInfoFactory->make_shared(); |
| } |
| |
| status_t status = gDeviceRuntimeInfo.object->fetchAllInformation(flags); |
| if (status != OK) { |
| gDeviceRuntimeInfo.fetchedFlags &= (~flags); // mark the fields as "not fetched" |
| return nullptr; |
| } |
| |
| gDeviceRuntimeInfo.fetchedFlags |= flags; |
| return gDeviceRuntimeInfo.object; |
| } |
| |
| namespace details { |
| |
| enum class ParseStatus { |
| OK, |
| PARSE_ERROR, |
| DUPLICATED_FWK_ENTRY, |
| DUPLICATED_DEV_ENTRY, |
| }; |
| |
| static std::string toString(ParseStatus status) { |
| switch(status) { |
| case ParseStatus::OK: return "OK"; |
| case ParseStatus::PARSE_ERROR: return "parse error"; |
| case ParseStatus::DUPLICATED_FWK_ENTRY: return "duplicated framework"; |
| case ParseStatus::DUPLICATED_DEV_ENTRY: return "duplicated device"; |
| } |
| return ""; |
| } |
| |
| template<typename T> |
| static ParseStatus tryParse(const std::string &xml, const XmlConverter<T> &parse, |
| std::shared_ptr<T> *fwk, std::shared_ptr<T> *dev) { |
| std::shared_ptr<T> ret = std::make_shared<T>(); |
| if (!parse(ret.get(), xml, nullptr /* error */)) { |
| return ParseStatus::PARSE_ERROR; |
| } |
| if (ret->type() == SchemaType::FRAMEWORK) { |
| if (fwk->get() != nullptr) { |
| return ParseStatus::DUPLICATED_FWK_ENTRY; |
| } |
| *fwk = std::move(ret); |
| } else if (ret->type() == SchemaType::DEVICE) { |
| if (dev->get() != nullptr) { |
| return ParseStatus::DUPLICATED_DEV_ENTRY; |
| } |
| *dev = std::move(ret); |
| } |
| return ParseStatus::OK; |
| } |
| |
| template<typename T, typename GetFunction> |
| static status_t getMissing(const std::shared_ptr<T>& pkg, bool mount, |
| std::function<status_t(void)> mountFunction, |
| std::shared_ptr<const T>* updated, |
| GetFunction getFunction) { |
| if (pkg != nullptr) { |
| *updated = pkg; |
| } else { |
| if (mount) { |
| (void)mountFunction(); // ignore mount errors |
| } |
| *updated = getFunction(); |
| } |
| return OK; |
| } |
| |
| #define ADD_MESSAGE(__error__) \ |
| if (error != nullptr) { \ |
| *error += (__error__); \ |
| } \ |
| |
| struct PackageInfo { |
| struct Pair { |
| std::shared_ptr<HalManifest> manifest; |
| std::shared_ptr<CompatibilityMatrix> matrix; |
| }; |
| Pair dev; |
| Pair fwk; |
| }; |
| |
| struct UpdatedInfo { |
| struct Pair { |
| std::shared_ptr<const HalManifest> manifest; |
| std::shared_ptr<const CompatibilityMatrix> matrix; |
| }; |
| Pair dev; |
| Pair fwk; |
| std::shared_ptr<const RuntimeInfo> runtimeInfo; |
| }; |
| |
| // Checks given compatibility info against info on the device. If no |
| // compatability info is given then the device info will be checked against |
| // itself. |
| int32_t checkCompatibility(const std::vector<std::string>& xmls, bool mount, |
| const PartitionMounter& mounter, std::string* error, |
| DisabledChecks disabledChecks) { |
| status_t status; |
| ParseStatus parseStatus; |
| PackageInfo pkg; // All information from package. |
| UpdatedInfo updated; // All files and runtime info after the update. |
| |
| // parse all information from package |
| for (const auto &xml : xmls) { |
| parseStatus = tryParse(xml, gHalManifestConverter, &pkg.fwk.manifest, &pkg.dev.manifest); |
| if (parseStatus == ParseStatus::OK) { |
| continue; // work on next one |
| } |
| if (parseStatus != ParseStatus::PARSE_ERROR) { |
| ADD_MESSAGE(toString(parseStatus) + " manifest"); |
| return ALREADY_EXISTS; |
| } |
| parseStatus = tryParse(xml, gCompatibilityMatrixConverter, &pkg.fwk.matrix, &pkg.dev.matrix); |
| if (parseStatus == ParseStatus::OK) { |
| continue; // work on next one |
| } |
| if (parseStatus != ParseStatus::PARSE_ERROR) { |
| ADD_MESSAGE(toString(parseStatus) + " matrix"); |
| return ALREADY_EXISTS; |
| } |
| ADD_MESSAGE(toString(parseStatus)); // parse error |
| return BAD_VALUE; |
| } |
| |
| // get missing info from device |
| // use functions instead of std::bind because std::bind doesn't work well with mock objects |
| auto mountSystem = [&mounter] { return mounter.mountSystem(); }; |
| auto mountVendor = [&mounter] { return mounter.mountVendor(); }; |
| if ((status = getMissing( |
| pkg.fwk.manifest, mount, mountSystem, &updated.fwk.manifest, |
| std::bind(VintfObject::GetFrameworkHalManifest, true /* skipCache */))) != OK) { |
| return status; |
| } |
| if ((status = getMissing( |
| pkg.dev.manifest, mount, mountVendor, &updated.dev.manifest, |
| std::bind(VintfObject::GetDeviceHalManifest, true /* skipCache */))) != OK) { |
| return status; |
| } |
| if ((status = getMissing( |
| pkg.fwk.matrix, mount, mountSystem, &updated.fwk.matrix, |
| std::bind(VintfObject::GetFrameworkCompatibilityMatrix, true /* skipCache */))) != |
| OK) { |
| return status; |
| } |
| if ((status = getMissing( |
| pkg.dev.matrix, mount, mountVendor, &updated.dev.matrix, |
| std::bind(VintfObject::GetDeviceCompatibilityMatrix, true /* skipCache */))) != OK) { |
| return status; |
| } |
| |
| if (mount) { |
| (void)mounter.umountSystem(); // ignore errors |
| (void)mounter.umountVendor(); // ignore errors |
| } |
| |
| if ((disabledChecks & DISABLE_RUNTIME_INFO) == 0) { |
| updated.runtimeInfo = VintfObject::GetRuntimeInfo(true /* skipCache */); |
| } |
| |
| // null checks for files and runtime info after the update |
| if (updated.fwk.manifest == nullptr) { |
| ADD_MESSAGE("No framework manifest file from device or from update package"); |
| return NO_INIT; |
| } |
| if (updated.dev.manifest == nullptr) { |
| ADD_MESSAGE("No device manifest file from device or from update package"); |
| return NO_INIT; |
| } |
| if (updated.fwk.matrix == nullptr) { |
| ADD_MESSAGE("No framework matrix file from device or from update package"); |
| return NO_INIT; |
| } |
| if (updated.dev.matrix == nullptr) { |
| ADD_MESSAGE("No device matrix file from device or from update package"); |
| return NO_INIT; |
| } |
| |
| if ((disabledChecks & DISABLE_RUNTIME_INFO) == 0) { |
| if (updated.runtimeInfo == nullptr) { |
| ADD_MESSAGE("No runtime info from device"); |
| return NO_INIT; |
| } |
| } |
| |
| // compatiblity check. |
| if (!updated.dev.manifest->checkCompatibility(*updated.fwk.matrix, error)) { |
| if (error) { |
| error->insert(0, |
| "Device manifest and framework compatibility matrix are incompatible: "); |
| } |
| return INCOMPATIBLE; |
| } |
| if (!updated.fwk.manifest->checkCompatibility(*updated.dev.matrix, error)) { |
| if (error) { |
| error->insert(0, |
| "Framework manifest and device compatibility matrix are incompatible: "); |
| } |
| return INCOMPATIBLE; |
| } |
| |
| if ((disabledChecks & DISABLE_RUNTIME_INFO) == 0) { |
| if (!updated.runtimeInfo->checkCompatibility(*updated.fwk.matrix, error, disabledChecks)) { |
| if (error) { |
| error->insert(0, |
| "Runtime info and framework compatibility matrix are incompatible: "); |
| } |
| return INCOMPATIBLE; |
| } |
| } |
| |
| return COMPATIBLE; |
| } |
| |
| const std::string kSystemVintfDir = "/system/etc/vintf/"; |
| const std::string kVendorVintfDir = "/vendor/etc/vintf/"; |
| const std::string kOdmVintfDir = "/odm/etc/vintf/"; |
| |
| const std::string kVendorManifest = kVendorVintfDir + "manifest.xml"; |
| const std::string kSystemManifest = kSystemVintfDir + "manifest.xml"; |
| const std::string kVendorMatrix = kVendorVintfDir + "compatibility_matrix.xml"; |
| const std::string kOdmManifest = kOdmVintfDir + "manifest.xml"; |
| |
| const std::string kVendorLegacyManifest = "/vendor/manifest.xml"; |
| const std::string kVendorLegacyMatrix = "/vendor/compatibility_matrix.xml"; |
| const std::string kSystemLegacyManifest = "/system/manifest.xml"; |
| const std::string kSystemLegacyMatrix = "/system/compatibility_matrix.xml"; |
| const std::string kOdmLegacyVintfDir = "/odm/etc/"; |
| const std::string kOdmLegacyManifest = kOdmLegacyVintfDir + "manifest.xml"; |
| |
| std::vector<std::string> dumpFileList() { |
| return { |
| kSystemVintfDir, kVendorVintfDir, kOdmVintfDir, kOdmLegacyVintfDir, |
| |
| kVendorLegacyManifest, kVendorLegacyMatrix, kSystemLegacyManifest, kSystemLegacyMatrix, |
| }; |
| } |
| |
| } // namespace details |
| |
| // static |
| int32_t VintfObject::CheckCompatibility(const std::vector<std::string>& xmls, std::string* error, |
| DisabledChecks disabledChecks) { |
| return details::checkCompatibility(xmls, false /* mount */, *details::gPartitionMounter, error, |
| disabledChecks); |
| } |
| |
| bool VintfObject::isHalDeprecated(const MatrixHal& oldMatrixHal, |
| const CompatibilityMatrix& targetMatrix, |
| const ListInstances& listInstances, std::string* error) { |
| bool isDeprecated = false; |
| oldMatrixHal.forEachInstance([&](const MatrixInstance& oldMatrixInstance) { |
| if (isInstanceDeprecated(oldMatrixInstance, targetMatrix, listInstances, error)) { |
| isDeprecated = true; |
| } |
| return !isDeprecated; // continue if no deprecated instance is found. |
| }); |
| return isDeprecated; |
| } |
| |
| // Let oldMatrixInstance = package@x.y-w::interface with instancePattern. |
| // If any "servedInstance" in listInstances(package@x.y::interface) matches instancePattern, return |
| // true iff: |
| // 1. package@x.?::interface/servedInstance is not in targetMatrix; OR |
| // 2. package@x.z::interface/servedInstance is in targetMatrix but |
| // servedInstance is not in listInstances(package@x.z::interface) |
| bool VintfObject::isInstanceDeprecated(const MatrixInstance& oldMatrixInstance, |
| const CompatibilityMatrix& targetMatrix, |
| const ListInstances& listInstances, std::string* error) { |
| const std::string& package = oldMatrixInstance.package(); |
| const Version& version = oldMatrixInstance.versionRange().minVer(); |
| const std::string& interface = oldMatrixInstance.interface(); |
| |
| std::vector<std::string> instanceHint; |
| if (!oldMatrixInstance.isRegex()) { |
| instanceHint.push_back(oldMatrixInstance.exactInstance()); |
| } |
| |
| auto list = listInstances(package, version, interface, instanceHint); |
| for (const auto& pair : list) { |
| const std::string& servedInstance = pair.first; |
| Version servedVersion = pair.second; |
| if (!oldMatrixInstance.matchInstance(servedInstance)) { |
| continue; |
| } |
| |
| // Find any package@x.? in target matrix, and check if instance is in target matrix. |
| bool foundInstance = false; |
| Version targetMatrixMinVer; |
| targetMatrix.forEachInstanceOfPackage(package, [&](const auto& targetMatrixInstance) { |
| if (targetMatrixInstance.versionRange().majorVer == version.majorVer && |
| targetMatrixInstance.interface() == interface && |
| targetMatrixInstance.matchInstance(servedInstance)) { |
| targetMatrixMinVer = targetMatrixInstance.versionRange().minVer(); |
| foundInstance = true; |
| } |
| return !foundInstance; // continue if not found |
| }); |
| if (!foundInstance) { |
| if (error) { |
| *error = toFQNameString(package, servedVersion, interface, servedInstance) + |
| " is deprecated in compatibility matrix at FCM Version " + |
| to_string(targetMatrix.level()) + "; it should not be served."; |
| } |
| return true; |
| } |
| |
| // Assuming that targetMatrix requires @x.u-v, require that at least @x.u is served. |
| bool targetVersionServed = false; |
| for (const auto& newPair : |
| listInstances(package, targetMatrixMinVer, interface, instanceHint)) { |
| if (newPair.first == servedInstance) { |
| targetVersionServed = true; |
| break; |
| } |
| } |
| |
| if (!targetVersionServed) { |
| if (error) { |
| *error += toFQNameString(package, servedVersion, interface, servedInstance) + |
| " is deprecated; requires at least " + to_string(targetMatrixMinVer) + |
| "\n"; |
| } |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| int32_t VintfObject::CheckDeprecation(const ListInstances& listInstances, std::string* error) { |
| auto matrixFragments = GetAllFrameworkMatrixLevels(error); |
| if (matrixFragments.empty()) { |
| if (error && error->empty()) |
| *error = "Cannot get framework matrix for each FCM version for unknown error."; |
| return NAME_NOT_FOUND; |
| } |
| auto deviceManifest = GetDeviceHalManifest(); |
| if (deviceManifest == nullptr) { |
| if (error) *error = "No device manifest."; |
| return NAME_NOT_FOUND; |
| } |
| Level deviceLevel = deviceManifest->level(); |
| if (deviceLevel == Level::UNSPECIFIED) { |
| if (error) *error = "Device manifest does not specify Shipping FCM Version."; |
| return BAD_VALUE; |
| } |
| |
| const CompatibilityMatrix* targetMatrix = nullptr; |
| for (const auto& namedMatrix : matrixFragments) { |
| if (namedMatrix.object.level() == deviceLevel) { |
| targetMatrix = &namedMatrix.object; |
| } |
| } |
| if (targetMatrix == nullptr) { |
| if (error) |
| *error = "Cannot find framework matrix at FCM version " + to_string(deviceLevel) + "."; |
| return NAME_NOT_FOUND; |
| } |
| |
| bool hasDeprecatedHals = false; |
| for (const auto& namedMatrix : matrixFragments) { |
| if (namedMatrix.object.level() == Level::UNSPECIFIED) continue; |
| if (namedMatrix.object.level() >= deviceLevel) continue; |
| |
| const auto& oldMatrix = namedMatrix.object; |
| for (const MatrixHal& hal : oldMatrix.getHals()) { |
| hasDeprecatedHals |= isHalDeprecated(hal, *targetMatrix, listInstances, error); |
| } |
| } |
| |
| return hasDeprecatedHals ? DEPRECATED : NO_DEPRECATED_HALS; |
| } |
| |
| int32_t VintfObject::CheckDeprecation(std::string* error) { |
| using namespace std::placeholders; |
| auto deviceManifest = GetDeviceHalManifest(); |
| ListInstances inManifest = |
| [&deviceManifest](const std::string& package, Version version, const std::string& interface, |
| const std::vector<std::string>& /* hintInstances */) { |
| std::vector<std::pair<std::string, Version>> ret; |
| deviceManifest->forEachInstanceOfInterface( |
| package, version, interface, [&ret](const ManifestInstance& manifestInstance) { |
| ret.push_back( |
| std::make_pair(manifestInstance.instance(), manifestInstance.version())); |
| return true; |
| }); |
| return ret; |
| }; |
| return CheckDeprecation(inManifest, error); |
| } |
| |
| } // namespace vintf |
| } // namespace android |
