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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/fuchsia/system_info.h"
#include <fuchsia/buildinfo/cpp/fidl.h>
#include <fuchsia/hwinfo/cpp/fidl.h>
#include <lib/sys/cpp/component_context.h>
#include "base/check.h"
#include "base/fuchsia/fuchsia_logging.h"
#include "base/fuchsia/process_context.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/no_destructor.h"
#include "base/threading/scoped_blocking_call.h"
namespace base {
namespace {
// Returns this process's cached object for `BuildInfo`.
fuchsia::buildinfo::BuildInfo& CachedBuildInfo() {
static NoDestructor<fuchsia::buildinfo::BuildInfo> build_info;
return *build_info;
}
// Synchronously fetches BuildInfo from the system and caches it for use in this
// process.
// Returns whether the system info was successfully cached.
bool FetchAndCacheBuildInfo() {
DCHECK(CachedBuildInfo().IsEmpty()) << "Only call once per process";
fuchsia::buildinfo::ProviderSyncPtr provider_sync;
ComponentContextForProcess()->svc()->Connect(provider_sync.NewRequest());
zx_status_t status = provider_sync->GetBuildInfo(&CachedBuildInfo());
ZX_DLOG_IF(ERROR, status != ZX_OK, status);
DLOG_IF(ERROR, CachedBuildInfo().IsEmpty()) << "Received empty BuildInfo";
return status == ZX_OK && !CachedBuildInfo().IsEmpty();
}
} // namespace
bool FetchAndCacheSystemInfo() {
ScopedBlockingCall scoped_blocking_call(FROM_HERE, BlockingType::WILL_BLOCK);
return FetchAndCacheBuildInfo();
}
const fuchsia::buildinfo::BuildInfo& GetCachedBuildInfo() {
DCHECK(!CachedBuildInfo().IsEmpty())
<< "FetchAndCacheSystemInfo() has not been called in this process";
return CachedBuildInfo();
}
// Synchronously fetches ProductInfo from the system
fuchsia::hwinfo::ProductInfo GetProductInfo() {
ScopedBlockingCall scoped_blocking_call(FROM_HERE, BlockingType::WILL_BLOCK);
fuchsia::hwinfo::ProductSyncPtr provider_sync;
ComponentContextForProcess()->svc()->Connect(provider_sync.NewRequest());
fuchsia::hwinfo::ProductInfo product_info;
[[maybe_unused]] zx_status_t status = provider_sync->GetInfo(&product_info);
ZX_DLOG_IF(ERROR, status != ZX_OK, status);
return product_info;
}
void ClearCachedSystemInfoForTesting() {
CachedBuildInfo() = {};
}
} // namespace base
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