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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"
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 nsACString& 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;
}
mozilla::ipc::IPCResult GMPStorageParent::RecvOpen(
const nsACString& aRecordName) {
LOGD(("GMPStorageParent[%p]::RecvOpen(record='%s')", this,
PromiseFlatCString(aRecordName).get()));
if (mShutdown) {
// Shutdown is an expected state, so we do not IPC_FAIL.
return IPC_OK();
}
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, PromiseFlatCString(aRecordName).get()));
Unused << SendOpenComplete(aRecordName, GMPGenericErr);
return IPC_OK();
}
if (aRecordName.IsEmpty()) {
LOGD((
"GMPStorageParent[%p]::RecvOpen(record='%s') failed; record name empty",
this, PromiseFlatCString(aRecordName).get()));
Unused << SendOpenComplete(aRecordName, GMPGenericErr);
return IPC_OK();
}
if (mStorage->IsOpen(aRecordName)) {
LOGD(("GMPStorageParent[%p]::RecvOpen(record='%s') failed; record in use",
this, PromiseFlatCString(aRecordName).get()));
Unused << SendOpenComplete(aRecordName, GMPRecordInUse);
return IPC_OK();
}
auto err = mStorage->Open(aRecordName);
MOZ_ASSERT(GMP_FAILED(err) || mStorage->IsOpen(aRecordName));
LOGD(("GMPStorageParent[%p]::RecvOpen(record='%s') complete; rv=%d", this,
PromiseFlatCString(aRecordName).get(), err));
Unused << SendOpenComplete(aRecordName, err);
return IPC_OK();
}
mozilla::ipc::IPCResult GMPStorageParent::RecvRead(
const nsACString& aRecordName) {
LOGD(("GMPStorageParent[%p]::RecvRead(record='%s')", this,
PromiseFlatCString(aRecordName).get()));
if (mShutdown) {
// Shutdown is an expected state, so we do not IPC_FAIL.
return IPC_OK();
}
nsTArray<uint8_t> data;
if (!mStorage->IsOpen(aRecordName)) {
LOGD(("GMPStorageParent[%p]::RecvRead(record='%s') failed; record not open",
this, PromiseFlatCString(aRecordName).get()));
Unused << SendReadComplete(aRecordName, GMPClosedErr, data);
} else {
GMPErr rv = mStorage->Read(aRecordName, data);
LOGD(
("GMPStorageParent[%p]::RecvRead(record='%s') read %zu bytes "
"rv=%" PRIu32,
this, PromiseFlatCString(aRecordName).get(), data.Length(),
static_cast<uint32_t>(rv)));
Unused << SendReadComplete(aRecordName, rv, data);
}
return IPC_OK();
}
mozilla::ipc::IPCResult GMPStorageParent::RecvWrite(
const nsACString& aRecordName, nsTArray<uint8_t>&& aBytes) {
LOGD(("GMPStorageParent[%p]::RecvWrite(record='%s') %zu bytes", this,
PromiseFlatCString(aRecordName).get(), aBytes.Length()));
if (mShutdown) {
// Shutdown is an expected state, so we do not IPC_FAIL.
return IPC_OK();
}
if (!mStorage->IsOpen(aRecordName)) {
LOGD(("GMPStorageParent[%p]::RecvWrite(record='%s') failed record not open",
this, PromiseFlatCString(aRecordName).get()));
Unused << SendWriteComplete(aRecordName, GMPClosedErr);
return IPC_OK();
}
if (aBytes.Length() > GMP_MAX_RECORD_SIZE) {
LOGD(("GMPStorageParent[%p]::RecvWrite(record='%s') failed record too big",
this, PromiseFlatCString(aRecordName).get()));
Unused << SendWriteComplete(aRecordName, GMPQuotaExceededErr);
return IPC_OK();
}
GMPErr rv = mStorage->Write(aRecordName, aBytes);
LOGD(("GMPStorageParent[%p]::RecvWrite(record='%s') write complete rv=%d",
this, PromiseFlatCString(aRecordName).get(), rv));
Unused << SendWriteComplete(aRecordName, rv);
return IPC_OK();
}
mozilla::ipc::IPCResult GMPStorageParent::RecvClose(
const nsACString& aRecordName) {
LOGD(("GMPStorageParent[%p]::RecvClose(record='%s')", this,
PromiseFlatCString(aRecordName).get()));
if (mShutdown) {
return IPC_OK();
}
mStorage->Close(aRecordName);
return IPC_OK();
}
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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