1/* 2 * Copyright (C) 2013 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#if ENABLE(REMOTE_INSPECTOR) 27 28#ifndef RemoteInspectorXPCConnection_h 29#define RemoteInspectorXPCConnection_h 30 31#import <dispatch/dispatch.h> 32#import <mutex> 33#import <wtf/ThreadSafeRefCounted.h> 34#import <xpc/xpc.h> 35 36OBJC_CLASS NSDictionary; 37OBJC_CLASS NSString; 38 39namespace Inspector { 40 41class RemoteInspectorXPCConnection : public ThreadSafeRefCounted<RemoteInspectorXPCConnection> { 42public: 43 class Client { 44 public: 45 virtual ~Client() { } 46 virtual void xpcConnectionReceivedMessage(RemoteInspectorXPCConnection*, NSString *messageName, NSDictionary *userInfo) = 0; 47 virtual void xpcConnectionFailed(RemoteInspectorXPCConnection*) = 0; 48 virtual void xpcConnectionUnhandledMessage(RemoteInspectorXPCConnection*, xpc_object_t) = 0; 49 }; 50 51 RemoteInspectorXPCConnection(xpc_connection_t, dispatch_queue_t, Client*); 52 virtual ~RemoteInspectorXPCConnection(); 53 54 void close(); 55 void closeFromMessage(); 56 void sendMessage(NSString *messageName, NSDictionary *userInfo); 57 58private: 59 NSDictionary *deserializeMessage(xpc_object_t); 60 void handleEvent(xpc_object_t); 61 void closeOnQueue(); 62 63 // We handle XPC events on the queue, but a client may call close() on any queue. 64 // We make sure that m_client is thread safe and immediately cleared in close(). 65 std::mutex m_mutex; 66 67 xpc_connection_t m_connection; 68 dispatch_queue_t m_queue; 69 Client* m_client; 70 bool m_closed; 71}; 72 73} // namespace Inspector 74 75#endif // RemoteInspectorXPCConnection_h 76 77#endif // ENABLE(REMOTE_INSPECTOR) 78