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author | Melanie Thielker | 2008-08-08 12:19:11 +0000 |
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committer | Melanie Thielker | 2008-08-08 12:19:11 +0000 |
commit | b5a9b904dc198b64bcf2ab785a2c9386492a9dd4 (patch) | |
tree | 85c7a825865a9213522b0d8e4540a43fa8c6c79e /OpenSim/Framework/ProxyCodec.cs | |
parent | * Removed unused m_bAvailable (diff) | |
download | opensim-SC-b5a9b904dc198b64bcf2ab785a2c9386492a9dd4.zip opensim-SC-b5a9b904dc198b64bcf2ab785a2c9386492a9dd4.tar.gz opensim-SC-b5a9b904dc198b64bcf2ab785a2c9386492a9dd4.tar.bz2 opensim-SC-b5a9b904dc198b64bcf2ab785a2c9386492a9dd4.tar.xz |
Sorry, thoughtI had added that :/
Missing file from pervious commit
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Framework/ProxyCodec.cs | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/OpenSim/Framework/ProxyCodec.cs b/OpenSim/Framework/ProxyCodec.cs new file mode 100644 index 0000000..cdba93d --- /dev/null +++ b/OpenSim/Framework/ProxyCodec.cs | |||
@@ -0,0 +1,77 @@ | |||
1 | /* | ||
2 | * Copyright (c) Contributors, http://opensimulator.org/ | ||
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions are met: | ||
7 | * * Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * * 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 | * * Neither the name of the OpenSim Project nor the | ||
13 | * names of its contributors may be used to endorse or promote products | ||
14 | * derived from this software without specific prior written permission. | ||
15 | * | ||
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY | ||
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | */ | ||
27 | |||
28 | using System; | ||
29 | using System.Collections; | ||
30 | using System.Net; | ||
31 | using libsecondlife; | ||
32 | using libsecondlife.Packets; | ||
33 | |||
34 | namespace OpenSim.Framework | ||
35 | { | ||
36 | public sealed class ProxyCodec | ||
37 | { | ||
38 | public static void EncodeProxyMessage(byte[] bytes, ref int numBytes, EndPoint trueEP) | ||
39 | { | ||
40 | if (numBytes > 4090) // max UPD size = 4096 | ||
41 | { | ||
42 | throw new Exception("ERROR: No space to encode the proxy EP"); | ||
43 | } | ||
44 | |||
45 | ushort port = (ushort) ((IPEndPoint) trueEP).Port; | ||
46 | bytes[numBytes++] = (byte) (port % 256); | ||
47 | bytes[numBytes++] = (byte) (port / 256); | ||
48 | |||
49 | foreach (byte b in ((IPEndPoint) trueEP).Address.GetAddressBytes()) | ||
50 | { | ||
51 | bytes[numBytes++] = b; | ||
52 | } | ||
53 | |||
54 | int x = numBytes; | ||
55 | |||
56 | DecodeProxyMessage(bytes, ref numBytes); | ||
57 | |||
58 | numBytes = x; | ||
59 | } | ||
60 | |||
61 | public static EndPoint DecodeProxyMessage(byte[] bytes, ref int numBytes) | ||
62 | { | ||
63 | // IPv4 Only | ||
64 | byte[] addr = new byte[4]; | ||
65 | |||
66 | addr[3] = bytes[--numBytes]; | ||
67 | addr[2] = bytes[--numBytes]; | ||
68 | addr[1] = bytes[--numBytes]; | ||
69 | addr[0] = bytes[--numBytes]; | ||
70 | |||
71 | ushort port = (ushort) (bytes[--numBytes] * 256); | ||
72 | port += (ushort) bytes[--numBytes]; | ||
73 | |||
74 | return (EndPoint) new IPEndPoint(new IPAddress(addr), (int) port); | ||
75 | } | ||
76 | } | ||
77 | } | ||