You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.7 KiB
76 lines
2.7 KiB
/*
|
|
* Copyright (C) 2020 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 <vintf/HostFileSystem.h>
|
|
|
|
#include <android-base/logging.h>
|
|
#include <android-base/strings.h>
|
|
|
|
namespace android::vintf::details {
|
|
|
|
HostFileSystem::HostFileSystem(const Dirmap& dirmap, status_t missingError)
|
|
: HostFileSystem(dirmap, missingError, std::make_unique<FileSystemImpl>()) {}
|
|
|
|
HostFileSystem::HostFileSystem(const Dirmap& dirmap, status_t missingError,
|
|
std::unique_ptr<FileSystem>&& impl)
|
|
: HostFileSystem(dirmap, missingError, impl.get()) {
|
|
mImplUniq = std::move(impl);
|
|
}
|
|
|
|
HostFileSystem::HostFileSystem(const Dirmap& dirmap, status_t missingError, FileSystem* impl)
|
|
: mDirMap(dirmap), mMissingError(missingError), mImpl(impl) {}
|
|
|
|
status_t HostFileSystem::fetch(const std::string& path, std::string* fetched,
|
|
std::string* error) const {
|
|
auto resolved = resolve(path, error);
|
|
if (resolved.empty()) {
|
|
return mMissingError;
|
|
}
|
|
status_t status = mImpl->fetch(resolved, fetched, error);
|
|
LOG(INFO) << "Fetch '" << resolved << "': " << statusToString(status);
|
|
return status;
|
|
}
|
|
|
|
status_t HostFileSystem::listFiles(const std::string& path, std::vector<std::string>* out,
|
|
std::string* error) const {
|
|
auto resolved = resolve(path, error);
|
|
if (resolved.empty()) {
|
|
return mMissingError;
|
|
}
|
|
status_t status = mImpl->listFiles(resolved, out, error);
|
|
LOG(INFO) << "List '" << resolved << "': " << statusToString(status);
|
|
return status;
|
|
}
|
|
|
|
std::string HostFileSystem::resolve(const std::string& path, std::string* error) const {
|
|
for (auto [prefix, mappedPath] : mDirMap) {
|
|
if (path == prefix) {
|
|
return mappedPath;
|
|
}
|
|
if (android::base::StartsWith(path, prefix + "/")) {
|
|
return mappedPath + "/" + path.substr(prefix.size() + 1);
|
|
}
|
|
}
|
|
if (error) {
|
|
*error = "Cannot resolve path " + path;
|
|
} else {
|
|
LOG(mMissingError == NAME_NOT_FOUND ? INFO : ERROR) << "Cannot resolve path " << path;
|
|
}
|
|
return "";
|
|
}
|
|
|
|
} // namespace android::vintf::details
|