93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
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// Copyright 2012 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_MESSAGE_LOOP_MESSAGE_PUMP_IO_IOS_H_
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#define BASE_MESSAGE_LOOP_MESSAGE_PUMP_IO_IOS_H_
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#include "base/base_export.h"
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#include "base/mac/scoped_cffiledescriptorref.h"
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#include "base/mac/scoped_cftyperef.h"
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#include "base/memory/weak_ptr.h"
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#include "base/message_loop/message_pump_mac.h"
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#include "base/message_loop/watchable_io_message_pump_posix.h"
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#include "base/threading/thread_checker.h"
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namespace base {
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// This file introduces a class to monitor sockets and issue callbacks when
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// sockets are ready for I/O on iOS.
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class BASE_EXPORT MessagePumpIOSForIO : public MessagePumpNSRunLoop,
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public WatchableIOMessagePumpPosix {
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public:
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class FdWatchController : public FdWatchControllerInterface {
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public:
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explicit FdWatchController(const Location& from_here);
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FdWatchController(const FdWatchController&) = delete;
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FdWatchController& operator=(const FdWatchController&) = delete;
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// Implicitly calls StopWatchingFileDescriptor.
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~FdWatchController() override;
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// FdWatchControllerInterface:
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bool StopWatchingFileDescriptor() override;
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private:
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friend class MessagePumpIOSForIO;
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friend class MessagePumpIOSForIOTest;
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// Called by MessagePumpIOSForIO, ownership of |fdref| and |fd_source|
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// is transferred to this object.
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void Init(CFFileDescriptorRef fdref,
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CFOptionFlags callback_types,
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CFRunLoopSourceRef fd_source,
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bool is_persistent);
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void set_pump(base::WeakPtr<MessagePumpIOSForIO> pump) { pump_ = pump; }
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const base::WeakPtr<MessagePumpIOSForIO>& pump() const { return pump_; }
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void set_watcher(FdWatcher* watcher) { watcher_ = watcher; }
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void OnFileCanReadWithoutBlocking(int fd, MessagePumpIOSForIO* pump);
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void OnFileCanWriteWithoutBlocking(int fd, MessagePumpIOSForIO* pump);
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bool is_persistent_ = false; // false if this event is one-shot.
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base::mac::ScopedCFFileDescriptorRef fdref_;
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CFOptionFlags callback_types_ = 0;
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base::ScopedCFTypeRef<CFRunLoopSourceRef> fd_source_;
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base::WeakPtr<MessagePumpIOSForIO> pump_;
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FdWatcher* watcher_ = nullptr;
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};
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MessagePumpIOSForIO();
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MessagePumpIOSForIO(const MessagePumpIOSForIO&) = delete;
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MessagePumpIOSForIO& operator=(const MessagePumpIOSForIO&) = delete;
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~MessagePumpIOSForIO() override;
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bool WatchFileDescriptor(int fd,
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bool persistent,
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int mode,
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FdWatchController* controller,
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FdWatcher* delegate);
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void RemoveRunLoopSource(CFRunLoopSourceRef source);
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private:
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friend class MessagePumpIOSForIOTest;
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static void HandleFdIOEvent(CFFileDescriptorRef fdref,
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CFOptionFlags callback_types,
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void* context);
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ThreadChecker watch_file_descriptor_caller_checker_;
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base::WeakPtrFactory<MessagePumpIOSForIO> weak_factory_;
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};
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} // namespace base
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#endif // BASE_MESSAGE_LOOP_MESSAGE_PUMP_IO_IOS_H_
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