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#include "TestOffMainThreadPainting.h"
#include "IPDLUnitTests.h" // fail etc.
#include "mozilla/Unused.h"
#include <prinrval.h>
#include <prthread.h>
namespace mozilla {
namespace _ipdltest {
TestOffMainThreadPaintingParent::TestOffMainThreadPaintingParent()
: mAsyncMessages(0), mSyncMessages(0) {}
TestOffMainThreadPaintingParent::~TestOffMainThreadPaintingParent() {}
void TestOffMainThreadPaintingParent::Main() {
ipc::Endpoint<PTestPaintThreadParent> parentPipe;
ipc::Endpoint<PTestPaintThreadChild> childPipe;
nsresult rv = PTestPaintThread::CreateEndpoints(
base::GetCurrentProcId(), OtherPid(), &parentPipe, &childPipe);
if (NS_FAILED(rv)) {
fail("create pipes");
}
mPaintActor = new TestPaintThreadParent(this);
if (!mPaintActor->Bind(std::move(parentPipe))) {
fail("bind parent pipe");
}
if (!SendStartTest(std::move(childPipe))) {
fail("sending Start");
}
}
ipc::IPCResult TestOffMainThreadPaintingParent::RecvFinishedLayout(
const uint64_t& aTxnId) {
if (!mPaintedTxn || mPaintedTxn.value() != aTxnId) {
fail("received transaction before receiving paint");
}
mPaintedTxn = Nothing();
mCompletedTxn = Some(aTxnId);
return IPC_OK();
}
void TestOffMainThreadPaintingParent::NotifyFinishedPaint(
const uint64_t& aTxnId) {
if (mCompletedTxn && mCompletedTxn.value() >= aTxnId) {
fail("received paint after receiving transaction");
}
if (mPaintedTxn) {
fail("painted again before completing previous transaction");
}
mPaintedTxn = Some(aTxnId);
}
ipc::IPCResult TestOffMainThreadPaintingParent::RecvAsyncMessage(
const uint64_t& aTxnId) {
if (!mCompletedTxn || mCompletedTxn.value() != aTxnId) {
fail("sync message received out of order");
return IPC_FAIL_NO_REASON(this);
}
mAsyncMessages++;
return IPC_OK();
}
ipc::IPCResult TestOffMainThreadPaintingParent::RecvSyncMessage(
const uint64_t& aTxnId) {
if (!mCompletedTxn || mCompletedTxn.value() != aTxnId) {
fail("sync message received out of order");
return IPC_FAIL_NO_REASON(this);
}
if (mSyncMessages >= mAsyncMessages) {
fail("sync message received before async message");
return IPC_FAIL_NO_REASON(this);
}
mSyncMessages++;
return IPC_OK();
}
ipc::IPCResult TestOffMainThreadPaintingParent::RecvEndTest() {
if (!mCompletedTxn || mCompletedTxn.value() != 1) {
fail("expected to complete a transaction");
}
if (mAsyncMessages != 1) {
fail("expected to get 1 async message");
}
if (mSyncMessages != 1) {
fail("expected to get 1 sync message");
}
passed("ok");
mPaintActor->Close();
Close();
return IPC_OK();
}
void TestOffMainThreadPaintingParent::ActorDestroy(ActorDestroyReason aWhy) {
if (aWhy != NormalShutdown) {
fail("child process aborted");
}
QuitParent();
}
/**************************
* PTestLayoutThreadChild *
**************************/
TestOffMainThreadPaintingChild::TestOffMainThreadPaintingChild()
: mNextTxnId(1) {}
TestOffMainThreadPaintingChild::~TestOffMainThreadPaintingChild() {}
ipc::IPCResult TestOffMainThreadPaintingChild::RecvStartTest(
ipc::Endpoint<PTestPaintThreadChild>&& aEndpoint) {
mPaintThread = MakeUnique<base::Thread>("PaintThread");
if (!mPaintThread->Start()) {
return IPC_FAIL_NO_REASON(this);
}
mPaintActor = new TestPaintThreadChild(GetIPCChannel());
RefPtr<Runnable> task =
NewRunnableMethod<ipc::Endpoint<PTestPaintThreadChild>&&>(
"TestPaintthreadChild::Bind", mPaintActor,
&TestPaintThreadChild::Bind, std::move(aEndpoint));
mPaintThread->message_loop()->PostTask(task.forget());
IssueTransaction();
return IPC_OK();
}
void TestOffMainThreadPaintingChild::ActorDestroy(ActorDestroyReason aWhy) {
RefPtr<Runnable> task = NewRunnableMethod(
"TestPaintThreadChild::Close", mPaintActor, &TestPaintThreadChild::Close);
mPaintThread->message_loop()->PostTask(task.forget());
mPaintThread = nullptr;
QuitChild();
}
void TestOffMainThreadPaintingChild::ProcessingError(Result aCode,
const char* aReason) {
MOZ_CRASH("Aborting child due to IPC error");
}
void TestOffMainThreadPaintingChild::IssueTransaction() {
GetIPCChannel()->BeginPostponingSends();
uint64_t txnId = mNextTxnId++;
// Start painting before we send the message.
RefPtr<Runnable> task = NewRunnableMethod<uint64_t>(
"TestPaintThreadChild::BeginPaintingForTxn", mPaintActor,
&TestPaintThreadChild::BeginPaintingForTxn, txnId);
mPaintThread->message_loop()->PostTask(task.forget());
// Simulate some gecko main thread stuff.
SendFinishedLayout(txnId);
SendAsyncMessage(txnId);
SendSyncMessage(txnId);
SendEndTest();
}
/**************************
* PTestPaintThreadParent *
**************************/
TestPaintThreadParent::TestPaintThreadParent(
TestOffMainThreadPaintingParent* aMainBridge)
: mMainBridge(aMainBridge) {}
TestPaintThreadParent::~TestPaintThreadParent() {}
bool TestPaintThreadParent::Bind(
ipc::Endpoint<PTestPaintThreadParent>&& aEndpoint) {
if (!aEndpoint.Bind(this)) {
return false;
}
AddRef();
return true;
}
ipc::IPCResult TestPaintThreadParent::RecvFinishedPaint(
const uint64_t& aTxnId) {
mMainBridge->NotifyFinishedPaint(aTxnId);
return IPC_OK();
}
void TestPaintThreadParent::ActorDestroy(ActorDestroyReason aWhy) {}
void TestPaintThreadParent::DeallocPTestPaintThreadParent() { Release(); }
/*************************
* PTestPaintThreadChild *
*************************/
TestPaintThreadChild::TestPaintThreadChild(MessageChannel* aMainChannel)
: mCanSend(false), mMainChannel(aMainChannel) {}
TestPaintThreadChild::~TestPaintThreadChild() {}
void TestPaintThreadChild::Bind(
ipc::Endpoint<PTestPaintThreadChild>&& aEndpoint) {
if (!aEndpoint.Bind(this)) {
MOZ_CRASH("could not bind paint child endpoint");
}
AddRef();
mCanSend = true;
}
void TestPaintThreadChild::BeginPaintingForTxn(uint64_t aTxnId) {
MOZ_RELEASE_ASSERT(!NS_IsMainThread());
// Sleep for some time to simulate painting being slow.
PR_Sleep(PR_MillisecondsToInterval(500));
SendFinishedPaint(aTxnId);
mMainChannel->StopPostponingSends();
}
void TestPaintThreadChild::ActorDestroy(ActorDestroyReason aWhy) {
mCanSend = false;
}
void TestPaintThreadChild::Close() {
MOZ_RELEASE_ASSERT(!NS_IsMainThread());
if (mCanSend) {
PTestPaintThreadChild::Close();
}
}
void TestPaintThreadChild::DeallocPTestPaintThreadChild() { Release(); }
} // namespace _ipdltest
} // namespace mozilla
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