#include "config.h"
#include "Connection.h"
#include <memory>
#include <wtf/CurrentTime.h>
#include <wtf/HashSet.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/RunLoop.h>
#include <wtf/text/WTFString.h>
#include <wtf/threads/BinarySemaphore.h>
namespace IPC {
struct WaitForMessageState {
WaitForMessageState(StringReference messageReceiverName, StringReference messageName, uint64_t destinationID, unsigned waitForMessageFlags)
: messageReceiverName(messageReceiverName)
, messageName(messageName)
, destinationID(destinationID)
, waitForMessageFlags(waitForMessageFlags)
{
}
StringReference messageReceiverName;
StringReference messageName;
uint64_t destinationID;
unsigned waitForMessageFlags;
bool messageWaitingInterrupted = false;
std::unique_ptr<MessageDecoder> decoder;
};
class Connection::SyncMessageState : public ThreadSafeRefCounted<Connection::SyncMessageState> {
public:
static PassRefPtr<SyncMessageState> getOrCreate(RunLoop&);
~SyncMessageState();
void wakeUpClientRunLoop()
{
m_waitForSyncReplySemaphore.signal();
}
bool wait(double absoluteTime)
{
return m_waitForSyncReplySemaphore.wait(absoluteTime);
}
bool processIncomingMessage(Connection*, std::unique_ptr<MessageDecoder>&);
void dispatchMessages(Connection* allowedConnection);
private:
explicit SyncMessageState(RunLoop&);
typedef HashMap<RunLoop*, SyncMessageState*> SyncMessageStateMap;
static SyncMessageStateMap& syncMessageStateMap()
{
static NeverDestroyed<SyncMessageStateMap> syncMessageStateMap;
return syncMessageStateMap;
}
static Mutex& syncMessageStateMapMutex()
{
static NeverDestroyed<Mutex> syncMessageStateMapMutex;
return syncMessageStateMapMutex;
}
void dispatchMessageAndResetDidScheduleDispatchMessagesForConnection(Connection*);
RunLoop& m_runLoop;
BinarySemaphore m_waitForSyncReplySemaphore;
Mutex m_mutex;
HashSet<RefPtr<Connection>> m_didScheduleDispatchMessagesWorkSet;
struct ConnectionAndIncomingMessage {
RefPtr<Connection> connection;
std::unique_ptr<MessageDecoder> message;
};
Vector<ConnectionAndIncomingMessage> m_messagesToDispatchWhileWaitingForSyncReply;
};
class Connection::SecondaryThreadPendingSyncReply {
public:
std::unique_ptr<MessageDecoder> replyDecoder;
BinarySemaphore semaphore;
};
PassRefPtr<Connection::SyncMessageState> Connection::SyncMessageState::getOrCreate(RunLoop& runLoop)
{
MutexLocker locker(syncMessageStateMapMutex());
SyncMessageStateMap::AddResult result = syncMessageStateMap().add(&runLoop, nullptr);
if (!result.isNewEntry) {
ASSERT(result.iterator->value);
return result.iterator->value;
}
RefPtr<SyncMessageState> syncMessageState = adoptRef(new SyncMessageState(runLoop));
result.iterator->value = syncMessageState.get();
return syncMessageState.release();
}
Connection::SyncMessageState::SyncMessageState(RunLoop& runLoop)
: m_runLoop(runLoop)
{
}
Connection::SyncMessageState::~SyncMessageState()
{
MutexLocker locker(syncMessageStateMapMutex());
ASSERT(syncMessageStateMap().contains(&m_runLoop));
syncMessageStateMap().remove(&m_runLoop);
ASSERT(m_messagesToDispatchWhileWaitingForSyncReply.isEmpty());
}
bool Connection::SyncMessageState::processIncomingMessage(Connection* connection, std::unique_ptr<MessageDecoder>& message)
{
if (!message->shouldDispatchMessageWhenWaitingForSyncReply())
return false;
ConnectionAndIncomingMessage connectionAndIncomingMessage;
connectionAndIncomingMessage.connection = connection;
connectionAndIncomingMessage.message = WTF::move(message);
{
MutexLocker locker(m_mutex);
if (m_didScheduleDispatchMessagesWorkSet.add(connection).isNewEntry)
m_runLoop.dispatch(bind(&SyncMessageState::dispatchMessageAndResetDidScheduleDispatchMessagesForConnection, this, RefPtr<Connection>(connection)));
m_messagesToDispatchWhileWaitingForSyncReply.append(WTF::move(connectionAndIncomingMessage));
}
wakeUpClientRunLoop();
return true;
}
void Connection::SyncMessageState::dispatchMessages(Connection* allowedConnection)
{
ASSERT(&m_runLoop == &RunLoop::current());
Vector<ConnectionAndIncomingMessage> messagesToDispatchWhileWaitingForSyncReply;
{
MutexLocker locker(m_mutex);
m_messagesToDispatchWhileWaitingForSyncReply.swap(messagesToDispatchWhileWaitingForSyncReply);
}
Vector<ConnectionAndIncomingMessage> messagesToPutBack;
for (size_t i = 0; i < messagesToDispatchWhileWaitingForSyncReply.size(); ++i) {
ConnectionAndIncomingMessage& connectionAndIncomingMessage = messagesToDispatchWhileWaitingForSyncReply[i];
if (allowedConnection && allowedConnection != connectionAndIncomingMessage.connection) {
messagesToPutBack.append(WTF::move(connectionAndIncomingMessage));
continue;
}
connectionAndIncomingMessage.connection->dispatchMessage(WTF::move(connectionAndIncomingMessage.message));
}
if (!messagesToPutBack.isEmpty()) {
MutexLocker locker(m_mutex);
for (auto& message : messagesToPutBack)
m_messagesToDispatchWhileWaitingForSyncReply.append(WTF::move(message));
}
}
void Connection::SyncMessageState::dispatchMessageAndResetDidScheduleDispatchMessagesForConnection(Connection* connection)
{
{
MutexLocker locker(m_mutex);
ASSERT(m_didScheduleDispatchMessagesWorkSet.contains(connection));
m_didScheduleDispatchMessagesWorkSet.remove(connection);
}
dispatchMessages(connection);
}
PassRefPtr<Connection> Connection::createServerConnection(Identifier identifier, Client* client, RunLoop& clientRunLoop)
{
return adoptRef(new Connection(identifier, true, client, clientRunLoop));
}
PassRefPtr<Connection> Connection::createClientConnection(Identifier identifier, Client* client, RunLoop& clientRunLoop)
{
return adoptRef(new Connection(identifier, false, client, clientRunLoop));
}
Connection::Connection(Identifier identifier, bool isServer, Client* client, RunLoop& clientRunLoop)
: m_client(client)
, m_isServer(isServer)
, m_syncRequestID(0)
, m_onlySendMessagesAsDispatchWhenWaitingForSyncReplyWhenProcessingSuchAMessage(false)
, m_shouldExitOnSyncMessageSendFailure(false)
, m_didCloseOnConnectionWorkQueueCallback(0)
, m_isConnected(false)
, m_connectionQueue(WorkQueue::create("com.apple.IPC.ReceiveQueue"))
, m_clientRunLoop(clientRunLoop)
, m_inSendSyncCount(0)
, m_inDispatchMessageCount(0)
, m_inDispatchMessageMarkedDispatchWhenWaitingForSyncReplyCount(0)
, m_didReceiveInvalidMessage(false)
, m_waitingForMessage(nullptr)
, m_syncMessageState(SyncMessageState::getOrCreate(clientRunLoop))
, m_shouldWaitForSyncReplies(true)
{
ASSERT(m_client);
platformInitialize(identifier);
}
Connection::~Connection()
{
ASSERT(!isValid());
}
void Connection::setOnlySendMessagesAsDispatchWhenWaitingForSyncReplyWhenProcessingSuchAMessage(bool flag)
{
ASSERT(!m_isConnected);
m_onlySendMessagesAsDispatchWhenWaitingForSyncReplyWhenProcessingSuchAMessage = flag;
}
void Connection::setShouldExitOnSyncMessageSendFailure(bool shouldExitOnSyncMessageSendFailure)
{
ASSERT(!m_isConnected);
m_shouldExitOnSyncMessageSendFailure = shouldExitOnSyncMessageSendFailure;
}
void Connection::addWorkQueueMessageReceiver(StringReference messageReceiverName, WorkQueue* workQueue, WorkQueueMessageReceiver* workQueueMessageReceiver)
{
ASSERT(&RunLoop::current() == &m_clientRunLoop);
ASSERT(!m_isConnected);
RefPtr<Connection> connection(this);
m_connectionQueue->dispatch([connection, messageReceiverName, workQueue, workQueueMessageReceiver] {
ASSERT(!connection->m_workQueueMessageReceivers.contains(messageReceiverName));
connection->m_workQueueMessageReceivers.add(messageReceiverName, std::make_pair(workQueue, workQueueMessageReceiver));
});
}
void Connection::removeWorkQueueMessageReceiver(StringReference messageReceiverName)
{
ASSERT(&RunLoop::current() == &m_clientRunLoop);
RefPtr<Connection> connection(this);
m_connectionQueue->dispatch([connection, messageReceiverName] {
ASSERT(connection->m_workQueueMessageReceivers.contains(messageReceiverName));
connection->m_workQueueMessageReceivers.remove(messageReceiverName);
});
}
void Connection::dispatchWorkQueueMessageReceiverMessage(WorkQueueMessageReceiver* workQueueMessageReceiver, MessageDecoder* incomingMessageDecoder)
{
std::unique_ptr<MessageDecoder> decoder(incomingMessageDecoder);
if (!decoder->isSyncMessage()) {
workQueueMessageReceiver->didReceiveMessage(this, *decoder);
return;
}
uint64_t syncRequestID = 0;
if (!decoder->decode(syncRequestID) || !syncRequestID) {
decoder->markInvalid();
return;
}
auto replyEncoder = std::make_unique<MessageEncoder>("IPC", "SyncMessageReply", syncRequestID);
workQueueMessageReceiver->didReceiveSyncMessage(this, *decoder, replyEncoder);
ASSERT(!decoder->isInvalid());
if (replyEncoder)
sendSyncReply(WTF::move(replyEncoder));
}
void Connection::setDidCloseOnConnectionWorkQueueCallback(DidCloseOnConnectionWorkQueueCallback callback)
{
ASSERT(!m_isConnected);
m_didCloseOnConnectionWorkQueueCallback = callback;
}
void Connection::invalidate()
{
if (!isValid()) {
return;
}
m_client = 0;
m_connectionQueue->dispatch(WTF::bind(&Connection::platformInvalidate, this));
}
void Connection::markCurrentlyDispatchedMessageAsInvalid()
{
ASSERT(m_inDispatchMessageCount > 0);
m_didReceiveInvalidMessage = true;
}
std::unique_ptr<MessageEncoder> Connection::createSyncMessageEncoder(StringReference messageReceiverName, StringReference messageName, uint64_t destinationID, uint64_t& syncRequestID)
{
auto encoder = std::make_unique<MessageEncoder>(messageReceiverName, messageName, destinationID);
encoder->setIsSyncMessage(true);
syncRequestID = ++m_syncRequestID;
*encoder << syncRequestID;
return encoder;
}
bool Connection::sendMessage(std::unique_ptr<MessageEncoder> encoder, unsigned messageSendFlags)
{
if (!isValid())
return false;
if (messageSendFlags & DispatchMessageEvenWhenWaitingForSyncReply
&& (!m_onlySendMessagesAsDispatchWhenWaitingForSyncReplyWhenProcessingSuchAMessage
|| m_inDispatchMessageMarkedDispatchWhenWaitingForSyncReplyCount))
encoder->setShouldDispatchMessageWhenWaitingForSyncReply(true);
{
MutexLocker locker(m_outgoingMessagesLock);
m_outgoingMessages.append(WTF::move(encoder));
}
m_connectionQueue->dispatch(WTF::bind(&Connection::sendOutgoingMessages, this));
return true;
}
bool Connection::sendSyncReply(std::unique_ptr<MessageEncoder> encoder)
{
return sendMessage(WTF::move(encoder));
}
std::unique_ptr<MessageDecoder> Connection::waitForMessage(StringReference messageReceiverName, StringReference messageName, uint64_t destinationID, std::chrono::milliseconds timeout, unsigned waitForMessageFlags)
{
ASSERT(&m_clientRunLoop == &RunLoop::current());
{
MutexLocker locker(m_incomingMessagesLock);
for (auto it = m_incomingMessages.begin(), end = m_incomingMessages.end(); it != end; ++it) {
std::unique_ptr<MessageDecoder>& message = *it;
if (message->messageReceiverName() == messageReceiverName && message->messageName() == messageName && message->destinationID() == destinationID) {
std::unique_ptr<MessageDecoder> returnedMessage = WTF::move(message);
m_incomingMessages.remove(it);
return returnedMessage;
}
}
}
WaitForMessageState waitingForMessage(messageReceiverName, messageName, destinationID, waitForMessageFlags);
{
std::lock_guard<std::mutex> lock(m_waitForMessageMutex);
ASSERT(!m_waitingForMessage);
m_waitingForMessage = &waitingForMessage;
}
while (true) {
std::unique_lock<std::mutex> lock(m_waitForMessageMutex);
if (m_waitingForMessage->decoder) {
auto decoder = WTF::move(m_waitingForMessage->decoder);
m_waitingForMessage = nullptr;
return decoder;
}
std::cv_status status = m_waitForMessageCondition.wait_for(lock, timeout);
if (status == std::cv_status::timeout || m_waitingForMessage->messageWaitingInterrupted)
break;
}
m_waitingForMessage = nullptr;
return nullptr;
}
std::unique_ptr<MessageDecoder> Connection::sendSyncMessage(uint64_t syncRequestID, std::unique_ptr<MessageEncoder> encoder, std::chrono::milliseconds timeout, unsigned syncSendFlags)
{
if (&RunLoop::current() != &m_clientRunLoop) {
ASSERT(!syncSendFlags);
return sendSyncMessageFromSecondaryThread(syncRequestID, WTF::move(encoder), timeout);
}
if (!isValid()) {
didFailToSendSyncMessage();
return nullptr;
}
{
MutexLocker locker(m_syncReplyStateMutex);
if (!m_shouldWaitForSyncReplies) {
didFailToSendSyncMessage();
return nullptr;
}
m_pendingSyncReplies.append(PendingSyncReply(syncRequestID));
}
++m_inSendSyncCount;
sendMessage(WTF::move(encoder), DispatchMessageEvenWhenWaitingForSyncReply);
Ref<Connection> protect(*this);
std::unique_ptr<MessageDecoder> reply = waitForSyncReply(syncRequestID, timeout, syncSendFlags);
--m_inSendSyncCount;
{
MutexLocker locker(m_syncReplyStateMutex);
ASSERT(m_pendingSyncReplies.last().syncRequestID == syncRequestID);
m_pendingSyncReplies.removeLast();
}
if (!reply)
didFailToSendSyncMessage();
return reply;
}
std::unique_ptr<MessageDecoder> Connection::sendSyncMessageFromSecondaryThread(uint64_t syncRequestID, std::unique_ptr<MessageEncoder> encoder, std::chrono::milliseconds timeout)
{
ASSERT(&RunLoop::current() != &m_clientRunLoop);
if (!isValid())
return nullptr;
SecondaryThreadPendingSyncReply pendingReply;
{
MutexLocker locker(m_syncReplyStateMutex);
if (!m_shouldWaitForSyncReplies)
return nullptr;
ASSERT(!m_secondaryThreadPendingSyncReplyMap.contains(syncRequestID));
m_secondaryThreadPendingSyncReplyMap.add(syncRequestID, &pendingReply);
}
sendMessage(WTF::move(encoder), 0);
pendingReply.semaphore.wait(currentTime() + (timeout.count() / 1000.0));
{
MutexLocker locker(m_syncReplyStateMutex);
ASSERT(m_secondaryThreadPendingSyncReplyMap.contains(syncRequestID));
m_secondaryThreadPendingSyncReplyMap.remove(syncRequestID);
}
return WTF::move(pendingReply.replyDecoder);
}
std::unique_ptr<MessageDecoder> Connection::waitForSyncReply(uint64_t syncRequestID, std::chrono::milliseconds timeout, unsigned syncSendFlags)
{
double absoluteTime = currentTime() + (timeout.count() / 1000.0);
willSendSyncMessage(syncSendFlags);
bool timedOut = false;
while (!timedOut) {
m_syncMessageState->dispatchMessages(0);
{
MutexLocker locker(m_syncReplyStateMutex);
ASSERT(!m_pendingSyncReplies.isEmpty());
PendingSyncReply& pendingSyncReply = m_pendingSyncReplies.last();
ASSERT_UNUSED(syncRequestID, pendingSyncReply.syncRequestID == syncRequestID);
if (pendingSyncReply.didReceiveReply || !m_shouldWaitForSyncReplies) {
didReceiveSyncReply(syncSendFlags);
return WTF::move(pendingSyncReply.replyDecoder);
}
}
if (!isValid()) {
didReceiveSyncReply(syncSendFlags);
return nullptr;
}
if (syncSendFlags & SpinRunLoopWhileWaitingForReply) {
#if PLATFORM(COCOA)
RunLoop::current().runForDuration(1e10);
timedOut = currentTime() >= absoluteTime;
#endif
} else
timedOut = !m_syncMessageState->wait(absoluteTime);
}
didReceiveSyncReply(syncSendFlags);
return nullptr;
}
void Connection::processIncomingSyncReply(std::unique_ptr<MessageDecoder> decoder)
{
MutexLocker locker(m_syncReplyStateMutex);
for (size_t i = m_pendingSyncReplies.size(); i > 0; --i) {
PendingSyncReply& pendingSyncReply = m_pendingSyncReplies[i - 1];
if (pendingSyncReply.syncRequestID != decoder->destinationID())
continue;
ASSERT(!pendingSyncReply.replyDecoder);
pendingSyncReply.replyDecoder = WTF::move(decoder);
pendingSyncReply.didReceiveReply = true;
if (i == m_pendingSyncReplies.size())
m_syncMessageState->wakeUpClientRunLoop();
return;
}
SecondaryThreadPendingSyncReplyMap::iterator secondaryThreadReplyMapItem = m_secondaryThreadPendingSyncReplyMap.find(decoder->destinationID());
if (secondaryThreadReplyMapItem != m_secondaryThreadPendingSyncReplyMap.end()) {
SecondaryThreadPendingSyncReply* reply = secondaryThreadReplyMapItem->value;
ASSERT(!reply->replyDecoder);
reply->replyDecoder = WTF::move(decoder);
reply->semaphore.signal();
}
}
void Connection::processIncomingMessage(std::unique_ptr<MessageDecoder> message)
{
ASSERT(!message->messageReceiverName().isEmpty());
ASSERT(!message->messageName().isEmpty());
if (message->messageReceiverName() == "IPC" && message->messageName() == "SyncMessageReply") {
processIncomingSyncReply(WTF::move(message));
return;
}
if (!m_workQueueMessageReceivers.isValidKey(message->messageReceiverName())) {
if (message->messageReceiverName().isEmpty() && message->messageName().isEmpty()) {
CString messageReceiverName = "<unknown message>";
CString messageName = String::format("<message length: %zu bytes>", message->length()).utf8();
m_clientRunLoop.dispatch(bind(&Connection::dispatchDidReceiveInvalidMessage, this, messageReceiverName, messageName));
return;
}
m_clientRunLoop.dispatch(bind(&Connection::dispatchDidReceiveInvalidMessage, this, message->messageReceiverName().toString(), message->messageName().toString()));
return;
}
auto it = m_workQueueMessageReceivers.find(message->messageReceiverName());
if (it != m_workQueueMessageReceivers.end()) {
it->value.first->dispatch(bind(&Connection::dispatchWorkQueueMessageReceiverMessage, this, it->value.second, message.release()));
return;
}
if (m_syncMessageState->processIncomingMessage(this, message))
return;
{
std::lock_guard<std::mutex> lock(m_waitForMessageMutex);
if (m_waitingForMessage && m_waitingForMessage->messageReceiverName == message->messageReceiverName() && m_waitingForMessage->messageName == message->messageName() && m_waitingForMessage->destinationID == message->destinationID()) {
m_waitingForMessage->decoder = WTF::move(message);
ASSERT(m_waitingForMessage->decoder);
m_waitForMessageCondition.notify_one();
return;
}
if (m_waitingForMessage && (m_waitingForMessage->waitForMessageFlags & InterruptWaitingIfSyncMessageArrives) && message->isSyncMessage()) {
m_waitingForMessage->messageWaitingInterrupted = true;
m_waitForMessageCondition.notify_one();
}
}
enqueueIncomingMessage(WTF::move(message));
}
void Connection::postConnectionDidCloseOnConnectionWorkQueue()
{
RefPtr<Connection> connection(this);
m_connectionQueue->dispatch([connection] {
connection->connectionDidClose();
});
}
void Connection::connectionDidClose()
{
platformInvalidate();
{
MutexLocker locker(m_syncReplyStateMutex);
ASSERT(m_shouldWaitForSyncReplies);
m_shouldWaitForSyncReplies = false;
if (!m_pendingSyncReplies.isEmpty())
m_syncMessageState->wakeUpClientRunLoop();
for (SecondaryThreadPendingSyncReplyMap::iterator iter = m_secondaryThreadPendingSyncReplyMap.begin(); iter != m_secondaryThreadPendingSyncReplyMap.end(); ++iter)
iter->value->semaphore.signal();
}
{
std::lock_guard<std::mutex> lock(m_waitForMessageMutex);
if (m_waitingForMessage)
m_waitingForMessage->messageWaitingInterrupted = true;
}
m_waitForMessageCondition.notify_all();
if (m_didCloseOnConnectionWorkQueueCallback)
m_didCloseOnConnectionWorkQueueCallback(this);
RefPtr<Connection> connection(this);
m_clientRunLoop.dispatch([connection] {
if (!connection->m_client)
return;
Client* client = connection->m_client;
connection->m_client = nullptr;
client->didClose(connection.get());
});
}
bool Connection::canSendOutgoingMessages() const
{
return m_isConnected && platformCanSendOutgoingMessages();
}
void Connection::sendOutgoingMessages()
{
if (!canSendOutgoingMessages())
return;
while (true) {
std::unique_ptr<MessageEncoder> message;
{
MutexLocker locker(m_outgoingMessagesLock);
if (m_outgoingMessages.isEmpty())
break;
message = m_outgoingMessages.takeFirst();
}
if (!sendOutgoingMessage(WTF::move(message)))
break;
}
}
void Connection::dispatchSyncMessage(MessageDecoder& decoder)
{
ASSERT(decoder.isSyncMessage());
uint64_t syncRequestID = 0;
if (!decoder.decode(syncRequestID) || !syncRequestID) {
decoder.markInvalid();
return;
}
auto replyEncoder = std::make_unique<MessageEncoder>("IPC", "SyncMessageReply", syncRequestID);
m_client->didReceiveSyncMessage(this, decoder, replyEncoder);
ASSERT(!decoder.isInvalid());
if (replyEncoder)
sendSyncReply(WTF::move(replyEncoder));
}
void Connection::dispatchDidReceiveInvalidMessage(const CString& messageReceiverNameString, const CString& messageNameString)
{
ASSERT(&RunLoop::current() == &m_clientRunLoop);
if (!m_client)
return;
m_client->didReceiveInvalidMessage(this, StringReference(messageReceiverNameString.data(), messageReceiverNameString.length()), StringReference(messageNameString.data(), messageNameString.length()));
}
void Connection::didFailToSendSyncMessage()
{
if (!m_shouldExitOnSyncMessageSendFailure)
return;
exit(0);
}
void Connection::enqueueIncomingMessage(std::unique_ptr<MessageDecoder> incomingMessage)
{
{
MutexLocker locker(m_incomingMessagesLock);
m_incomingMessages.append(WTF::move(incomingMessage));
}
m_clientRunLoop.dispatch(WTF::bind(&Connection::dispatchOneMessage, this));
}
void Connection::dispatchMessage(MessageDecoder& decoder)
{
m_client->didReceiveMessage(this, decoder);
}
void Connection::dispatchMessage(std::unique_ptr<MessageDecoder> message)
{
if (!m_client)
return;
m_inDispatchMessageCount++;
if (message->shouldDispatchMessageWhenWaitingForSyncReply())
m_inDispatchMessageMarkedDispatchWhenWaitingForSyncReplyCount++;
bool oldDidReceiveInvalidMessage = m_didReceiveInvalidMessage;
m_didReceiveInvalidMessage = false;
if (message->isSyncMessage())
dispatchSyncMessage(*message);
else
dispatchMessage(*message);
m_didReceiveInvalidMessage |= message->isInvalid();
m_inDispatchMessageCount--;
if (message->shouldDispatchMessageWhenWaitingForSyncReply())
m_inDispatchMessageMarkedDispatchWhenWaitingForSyncReplyCount--;
if (m_didReceiveInvalidMessage && m_client)
m_client->didReceiveInvalidMessage(this, message->messageReceiverName(), message->messageName());
m_didReceiveInvalidMessage = oldDidReceiveInvalidMessage;
}
void Connection::dispatchOneMessage()
{
std::unique_ptr<MessageDecoder> message;
{
MutexLocker locker(m_incomingMessagesLock);
if (m_incomingMessages.isEmpty())
return;
message = m_incomingMessages.takeFirst();
}
dispatchMessage(WTF::move(message));
}
void Connection::wakeUpRunLoop()
{
m_clientRunLoop.wakeUp();
}
}