Source/ProtocolClient.h

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2013, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import <Foundation/Foundation.h>
  18
  19 #import "MessageQueue.h"
  20
  21 @protocol ProtocolClientDelegate;
  22
  23 // ProtocolClient sends string commands to a DBGP <http://www.xdebug.org/docs-dbgp.php>
  24 // debugger engine and receives XML packets in response. This class ensures
  25 // proper sequencing of the messages.
  26 @interface ProtocolClient : NSObject<MessageQueueDelegate> {
  27  //@private
  28   MessageQueue* _messageQueue;
  29
  30   NSRecursiveLock* _lock;
  31   NSInteger _nextID;
  32
  33   NSInteger _lastReadID;
  34   NSInteger _lastWrittenID;
  35
  36   NSObject<ProtocolClientDelegate>* _delegate;
  37   NSThread* _delegateThread;
  38 }
  39
  40 - (id)initWithDelegate:(NSObject<ProtocolClientDelegate>*)delegate;
  41
  42 - (BOOL)isConnected;
  43
  44 - (void)connectOnPort:(NSUInteger)port;
  45 - (void)disconnect;
  46
  47 // This sends the given command format to the debugger. This method is thread
  48 // safe and schedules the request on the |runLoop_|.
  49 - (NSNumber*)sendCommandWithFormat:(NSString*)format, ...;
  50
  51 // Sends a command to the debugger. The command must have a substring |{txn}|
  52 // within it, which will be replaced with the transaction ID. Use this if
  53 // |-sendCommandWithFormat:|'s insertion of the transaction ID is incorrect.
  54 - (NSNumber*)sendCustomCommandWithFormat:(NSString*)format, ...;
  55
  56 - (NSInteger)transactionIDFromResponse:(NSXMLDocument*)response;
  57 - (NSInteger)transactionIDFromCommand:(NSString*)command;
  58
  59 @end
  60
  61 // Delegate ////////////////////////////////////////////////////////////////////
  62
  63 // All methods of the protocol client are dispatched to the thread on which the
  64 // ProtocolClient was created.
  65 @protocol ProtocolClientDelegate
  66 - (void)debuggerEngineConnected:(ProtocolClient*)client;
  67 - (void)debuggerEngineDisconnected:(ProtocolClient*)client;
  68
  69 - (void)debuggerEngine:(ProtocolClient*)client receivedMessage:(NSXMLDocument*)message;
  70 @end