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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "GMPStorageParent.h"
#include "GMPParent.h"
#include "gmp-storage.h"
#include "mozilla/Unused.h"
#include "mozIGeckoMediaPluginService.h"
namespace mozilla {
#ifdef LOG
#undef LOG
#endif
extern LogModule* GetGMPLog();
#define LOGD(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Debug, msg)
#define LOG(level, msg) MOZ_LOG(GetGMPLog(), (level), msg)
namespace gmp {
GMPStorageParent::GMPStorageParent(const nsCString& aNodeId,
GMPParent* aPlugin)
: mNodeId(aNodeId)
, mPlugin(aPlugin)
, mShutdown(true)
{
}
nsresult
GMPStorageParent::Init()
{
LOGD(("GMPStorageParent[%p]::Init()", this));
if (NS_WARN_IF(mNodeId.IsEmpty())) {
return NS_ERROR_FAILURE;
}
RefPtr<GeckoMediaPluginServiceParent> mps(GeckoMediaPluginServiceParent::GetSingleton());
if (NS_WARN_IF(!mps)) {
return NS_ERROR_FAILURE;
}
bool persistent = false;
if (NS_WARN_IF(NS_FAILED(mps->IsPersistentStorageAllowed(mNodeId, &persistent)))) {
return NS_ERROR_FAILURE;
}
if (persistent) {
mStorage = CreateGMPDiskStorage(mNodeId, mPlugin->GetPluginBaseName());
} else {
mStorage = mps->GetMemoryStorageFor(mNodeId);
}
if (!mStorage) {
return NS_ERROR_FAILURE;
}
mShutdown = false;
return NS_OK;
}
bool
GMPStorageParent::RecvOpen(const nsCString& aRecordName)
{
LOGD(("GMPStorageParent[%p]::RecvOpen(record='%s')",
this, aRecordName.get()));
if (mShutdown) {
return false;
}
if (mNodeId.EqualsLiteral("null")) {
// Refuse to open storage if the page is opened from local disk,
// or shared across origin.
LOGD(("GMPStorageParent[%p]::RecvOpen(record='%s') failed; null nodeId",
this, aRecordName.get()));
Unused << SendOpenComplete(aRecordName, GMPGenericErr);
return true;
}
if (aRecordName.IsEmpty()) {
LOGD(("GMPStorageParent[%p]::RecvOpen(record='%s') failed; record name empty",
this, aRecordName.get()));
Unused << SendOpenComplete(aRecordName, GMPGenericErr);
return true;
}
if (mStorage->IsOpen(aRecordName)) {
LOGD(("GMPStorageParent[%p]::RecvOpen(record='%s') failed; record in use",
this, aRecordName.get()));
Unused << SendOpenComplete(aRecordName, GMPRecordInUse);
return true;
}
auto err = mStorage->Open(aRecordName);
MOZ_ASSERT(GMP_FAILED(err) || mStorage->IsOpen(aRecordName));
LOGD(("GMPStorageParent[%p]::RecvOpen(record='%s') complete; rv=%d",
this, aRecordName.get(), err));
Unused << SendOpenComplete(aRecordName, err);
return true;
}
bool
GMPStorageParent::RecvRead(const nsCString& aRecordName)
{
LOGD(("GMPStorageParent[%p]::RecvRead(record='%s')",
this, aRecordName.get()));
if (mShutdown) {
return false;
}
nsTArray<uint8_t> data;
if (!mStorage->IsOpen(aRecordName)) {
LOGD(("GMPStorageParent[%p]::RecvRead(record='%s') failed; record not open",
this, aRecordName.get()));
Unused << SendReadComplete(aRecordName, GMPClosedErr, data);
} else {
GMPErr rv = mStorage->Read(aRecordName, data);
LOGD(("GMPStorageParent[%p]::RecvRead(record='%s') read %d bytes rv=%d",
this, aRecordName.get(), data.Length(), rv));
Unused << SendReadComplete(aRecordName, rv, data);
}
return true;
}
bool
GMPStorageParent::RecvWrite(const nsCString& aRecordName,
InfallibleTArray<uint8_t>&& aBytes)
{
LOGD(("GMPStorageParent[%p]::RecvWrite(record='%s') %d bytes",
this, aRecordName.get(), aBytes.Length()));
if (mShutdown) {
return false;
}
if (!mStorage->IsOpen(aRecordName)) {
LOGD(("GMPStorageParent[%p]::RecvWrite(record='%s') failed record not open",
this, aRecordName.get()));
Unused << SendWriteComplete(aRecordName, GMPClosedErr);
return true;
}
if (aBytes.Length() > GMP_MAX_RECORD_SIZE) {
LOGD(("GMPStorageParent[%p]::RecvWrite(record='%s') failed record too big",
this, aRecordName.get()));
Unused << SendWriteComplete(aRecordName, GMPQuotaExceededErr);
return true;
}
GMPErr rv = mStorage->Write(aRecordName, aBytes);
LOGD(("GMPStorageParent[%p]::RecvWrite(record='%s') write complete rv=%d",
this, aRecordName.get(), rv));
Unused << SendWriteComplete(aRecordName, rv);
return true;
}
bool
GMPStorageParent::RecvGetRecordNames()
{
if (mShutdown) {
return true;
}
nsTArray<nsCString> recordNames;
GMPErr status = mStorage->GetRecordNames(recordNames);
LOGD(("GMPStorageParent[%p]::RecvGetRecordNames() status=%d numRecords=%d",
this, status, recordNames.Length()));
Unused << SendRecordNames(recordNames, status);
return true;
}
bool
GMPStorageParent::RecvClose(const nsCString& aRecordName)
{
LOGD(("GMPStorageParent[%p]::RecvClose(record='%s')",
this, aRecordName.get()));
if (mShutdown) {
return true;
}
mStorage->Close(aRecordName);
return true;
}
void
GMPStorageParent::ActorDestroy(ActorDestroyReason aWhy)
{
LOGD(("GMPStorageParent[%p]::ActorDestroy(reason=%d)", this, aWhy));
Shutdown();
}
void
GMPStorageParent::Shutdown()
{
LOGD(("GMPStorageParent[%p]::Shutdown()", this));
if (mShutdown) {
return;
}
mShutdown = true;
Unused << SendShutdown();
mStorage = nullptr;
}
} // namespace gmp
} // namespace mozilla
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