| 1 | /*************************************************************************** |
| 2 | nullchan.h |
| 3 | |
| 4 | Copyright (c) 2002-2003 Vladimir Toncar |
| 5 | |
| 6 | The contents of this file are subject to the Mozilla Public License |
| 7 | Version 1.1 (the "License"); you may not use this file except in |
| 8 | compliance with the License. You may obtain a copy of the License at |
| 9 | http://www.mozilla.org/MPL/ |
| 10 | |
| 11 | Software distributed under the License is distributed on an "AS IS" |
| 12 | basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing rights and |
| 14 | limitations under the License. |
| 15 | |
| 16 | The Original Code is oh323tut. |
| 17 | |
| 18 | The Initial Developer of the Original Code is Vladimir Toncar. |
| 19 | All Rights Reserved. |
| 20 | |
| 21 | Contributor(s): ______________________________________. |
| 22 | |
| 23 | ***************************************************************************/ |
| 24 | |
| 25 | #ifndef _NULLCHAN_H |
| 26 | #define _NULLCHAN_H |
| 27 | |
| 28 | #include <ptlib.h> |
| 29 | #include <h323.h> |
| 30 | #include <ptclib/pwavfile.h> |
| 31 | #include <ptclib/delaychan.h> |
| 32 | |
| 33 | |
| 34 | // *********************************************************************** |
| 35 | |
| 36 | class NullChannel: public PIndirectChannel |
| 37 | { |
| 38 | PCLASSINFO(NullChannel, PIndirectChannel); |
| 39 | PAdaptiveDelay writeDelay; |
| 40 | PAdaptiveDelay readDelay; |
| 41 | bool isOpen; |
| 42 | public: |
| 43 | NullChannel(); |
| 44 | ~NullChannel(); |
| 45 | virtual BOOL Close(); |
| 46 | virtual BOOL IsOpen() const { return isOpen; }; |
| 47 | virtual BOOL Read(void *buf, PINDEX len); |
| 48 | virtual BOOL Write(const void *buf, PINDEX len); |
| 49 | }; |
| 50 | |
| 51 | |
| 52 | #endif |
| 53 |