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/*
* Copyright (C) 2013 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if ENABLE(REMOTE_INSPECTOR)
#ifndef RemoteInspectorDebuggableConnection_h
#define RemoteInspectorDebuggableConnection_h
#import "InspectorFrontendChannel.h"
#import "RemoteInspectorDebuggable.h"
#import <dispatch/dispatch.h>
#import <mutex>
#import <wtf/RetainPtr.h>
#import <wtf/ThreadSafeRefCounted.h>
OBJC_CLASS NSString;
namespace Inspector {
class RemoteInspectorBlock {
public:
RemoteInspectorBlock(void (^task)())
: m_task(Block_copy(task))
{
}
RemoteInspectorBlock(const RemoteInspectorBlock& other)
: m_task(Block_copy(other.m_task))
{
}
~RemoteInspectorBlock()
{
Block_release(m_task);
}
RemoteInspectorBlock& operator=(const RemoteInspectorBlock& other)
{
void (^oldTask)() = m_task;
m_task = Block_copy(other.m_task);
Block_release(oldTask);
return *this;
}
void operator()() const
{
m_task();
}
private:
void (^m_task)();
};
typedef Vector<RemoteInspectorBlock> RemoteInspectorQueue;
class RemoteInspectorDebuggableConnection final : public ThreadSafeRefCounted<RemoteInspectorDebuggableConnection>, public InspectorFrontendChannel {
public:
RemoteInspectorDebuggableConnection(RemoteInspectorDebuggable*, NSString *connectionIdentifier, NSString *destination, RemoteInspectorDebuggable::DebuggableType);
virtual ~RemoteInspectorDebuggableConnection();
NSString *destination() const;
NSString *connectionIdentifier() const;
unsigned identifier() const { return m_identifier; }
bool setup();
void close();
void closeFromDebuggable();
void sendMessageToBackend(NSString *);
virtual bool sendMessageToFrontend(const String&) override;
std::mutex& queueMutex() { return m_queueMutex; }
RemoteInspectorQueue queue() const { return m_queue; }
void clearQueue() { m_queue.clear(); }
private:
void dispatchAsyncOnDebuggable(void (^block)());
void setupRunLoop();
void teardownRunLoop();
void queueTaskOnPrivateRunLoop(void (^block)());
// This connection from the RemoteInspector singleton to the Debuggable
// can be used on multiple threads. So any access to the debuggable
// itself must take this mutex to ensure m_debuggable is valid.
std::mutex m_debuggableMutex;
// If a debuggable has a specific run loop it wants to evaluate on
// we setup our run loop sources on that specific run loop.
RetainPtr<CFRunLoopRef> m_runLoop;
RetainPtr<CFRunLoopSourceRef> m_runLoopSource;
RemoteInspectorQueue m_queue;
std::mutex m_queueMutex;
RemoteInspectorDebuggable* m_debuggable;
RetainPtr<NSString> m_connectionIdentifier;
RetainPtr<NSString> m_destination;
unsigned m_identifier;
bool m_connected;
};
} // namespace Inspector
#endif // RemoteInspectorDebuggableConnection_h
#endif // ENABLE(REMOTE_INSPECTOR)
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