MessagePortChannel.h [plain text]
#pragma once
#include "MessagePortChannelProvider.h"
#include "MessagePortIdentifier.h"
#include "MessageWithMessagePorts.h"
#include "Process.h"
#include <wtf/HashSet.h>
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class MessagePortChannelRegistry;
class MessagePortChannel : public RefCounted<MessagePortChannel> {
public:
static Ref<MessagePortChannel> create(MessagePortChannelRegistry&, const MessagePortIdentifier& port1, const MessagePortIdentifier& port2);
~MessagePortChannel();
const MessagePortIdentifier& port1() const { return m_ports[0]; }
const MessagePortIdentifier& port2() const { return m_ports[1]; }
WEBCORE_EXPORT std::optional<ProcessIdentifier> processForPort(const MessagePortIdentifier&);
bool includesPort(const MessagePortIdentifier&);
void entanglePortWithProcess(const MessagePortIdentifier&, ProcessIdentifier);
void disentanglePort(const MessagePortIdentifier&);
void closePort(const MessagePortIdentifier&);
bool postMessageToRemote(MessageWithMessagePorts&&, const MessagePortIdentifier& remoteTarget);
void takeAllMessagesForPort(const MessagePortIdentifier&, Function<void(Vector<MessageWithMessagePorts>&&, Function<void()>&&)>&&);
void checkRemotePortForActivity(const MessagePortIdentifier&, CompletionHandler<void(MessagePortChannelProvider::HasActivity)>&& callback);
WEBCORE_EXPORT bool hasAnyMessagesPendingOrInFlight() const;
uint64_t beingTransferredCount();
#ifndef NDEBUG
String logString() const { return makeString(m_ports[0].logString(), ":", m_ports[1].logString()); }
#endif
private:
MessagePortChannel(MessagePortChannelRegistry&, const MessagePortIdentifier& port1, const MessagePortIdentifier& port2);
MessagePortIdentifier m_ports[2];
bool m_isClosed[2] { false, false };
std::optional<ProcessIdentifier> m_processes[2];
RefPtr<MessagePortChannel> m_entangledToProcessProtectors[2];
Vector<MessageWithMessagePorts> m_pendingMessages[2];
HashSet<RefPtr<MessagePortChannel>> m_pendingMessagePortTransfers[2];
RefPtr<MessagePortChannel> m_pendingMessageProtectors[2];
uint64_t m_messageBatchesInFlight { 0 };
MessagePortChannelRegistry& m_registry;
};
}