| 1 | /*************************************************************************** |
| 2 | nullchan.cxx |
| 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 | #include "nullchan.h" |
| 26 | |
| 27 | |
| 28 | // *********************************************************************** |
| 29 | |
| 30 | NullChannel::NullChannel(): isOpen(true) |
| 31 | { |
| 32 | PTRACE(1, "Creating NULL channel"); |
| 33 | } |
| 34 | |
| 35 | |
| 36 | // *********************************************************************** |
| 37 | |
| 38 | NullChannel::~NullChannel() |
| 39 | { |
| 40 | PTRACE(1, "Deleting NULL channel"); |
| 41 | } |
| 42 | |
| 43 | |
| 44 | // *********************************************************************** |
| 45 | |
| 46 | BOOL NullChannel::Close() |
| 47 | { |
| 48 | isOpen = false; |
| 49 | return true; |
| 50 | } |
| 51 | |
| 52 | |
| 53 | // *********************************************************************** |
| 54 | |
| 55 | BOOL NullChannel::Write(const void *buf, PINDEX len) |
| 56 | { |
| 57 | lastWriteCount = len; |
| 58 | writeDelay.Delay(len/2/8); |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | |
| 63 | // *********************************************************************** |
| 64 | |
| 65 | BOOL NullChannel::Read(void *buf, PINDEX len) |
| 66 | { |
| 67 | memset(buf, 0, len); |
| 68 | lastReadCount = len; |
| 69 | readDelay.Delay(len/2/8); |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | |
| 74 | // *********************************************************************** |
| 75 |