1 // This source code is dual-licensed under the Apache License, version
2 // 2.0, and the Mozilla Public License, version 1.1.
6 //---------------------------------------------------------------------------
7 // Copyright (C) 2007-2009 LShift Ltd., Cohesive Financial
8 // Technologies LLC., and Rabbit Technologies Ltd.
10 // Licensed under the Apache License, Version 2.0 (the "License");
11 // you may not use this file except in compliance with the License.
12 // You may obtain a copy of the License at
14 // http://www.apache.org/licenses/LICENSE-2.0
16 // Unless required by applicable law or agreed to in writing, software
17 // distributed under the License is distributed on an "AS IS" BASIS,
18 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 // See the License for the specific language governing permissions and
20 // limitations under the License.
21 //---------------------------------------------------------------------------
25 //---------------------------------------------------------------------------
26 // The contents of this file are subject to the Mozilla Public License
27 // Version 1.1 (the "License"); you may not use this file except in
28 // compliance with the License. You may obtain a copy of the License at
29 // http://www.rabbitmq.com/mpl.html
31 // Software distributed under the License is distributed on an "AS IS"
32 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
33 // License for the specific language governing rights and limitations
36 // The Original Code is The RabbitMQ .NET Client.
38 // The Initial Developers of the Original Code are LShift Ltd,
39 // Cohesive Financial Technologies LLC, and Rabbit Technologies Ltd.
41 // Portions created before 22-Nov-2008 00:00:00 GMT by LShift Ltd,
42 // Cohesive Financial Technologies LLC, or Rabbit Technologies Ltd
43 // are Copyright (C) 2007-2008 LShift Ltd, Cohesive Financial
44 // Technologies LLC, and Rabbit Technologies Ltd.
46 // Portions created by LShift Ltd are Copyright (C) 2007-2009 LShift
47 // Ltd. Portions created by Cohesive Financial Technologies LLC are
48 // Copyright (C) 2007-2009 Cohesive Financial Technologies
49 // LLC. Portions created by Rabbit Technologies Ltd are Copyright
50 // (C) 2007-2009 Rabbit Technologies Ltd.
52 // All Rights Reserved.
54 // Contributor(s): ______________________________________.
56 //---------------------------------------------------------------------------
60 namespace RabbitMQ.Util {
62 /// Subclass of BinaryWriter that writes integers etc in correct network order.
67 /// Kludge to compensate for .NET's broken little-endian-only BinaryWriter.
69 /// See also NetworkBinaryReader.
72 public class NetworkBinaryWriter: BinaryWriter {
74 /// Construct a NetworkBinaryWriter over the given input stream.
76 public NetworkBinaryWriter(Stream output): base(output) {}
79 /// Construct a NetworkBinaryWriter over the given input
80 /// stream, reading strings using the given encoding.
82 public NetworkBinaryWriter(Stream output, Encoding encoding): base(output, encoding) {}
85 /// Override BinaryWriter's method for network-order.
87 public override void Write(short i) {
88 Write((byte) ((i & 0xFF00) >> 8));
89 Write((byte) (i & 0x00FF));
93 /// Override BinaryWriter's method for network-order.
95 public override void Write(ushort i) {
96 Write((byte) ((i & 0xFF00) >> 8));
97 Write((byte) (i & 0x00FF));
101 /// Override BinaryWriter's method for network-order.
103 public override void Write(int i) {
104 Write((byte) ((i & 0xFF000000) >> 24));
105 Write((byte) ((i & 0x00FF0000) >> 16));
106 Write((byte) ((i & 0x0000FF00) >> 8));
107 Write((byte) (i & 0x000000FF));
111 /// Override BinaryWriter's method for network-order.
113 public override void Write(uint i) {
114 Write((byte) ((i & 0xFF000000) >> 24));
115 Write((byte) ((i & 0x00FF0000) >> 16));
116 Write((byte) ((i & 0x0000FF00) >> 8));
117 Write((byte) (i & 0x000000FF));
121 /// Override BinaryWriter's method for network-order.
123 public override void Write(long i) {
124 uint i1 = (uint) (i >> 32);
131 /// Override BinaryWriter's method for network-order.
133 public override void Write(ulong i) {
134 uint i1 = (uint) (i >> 32);
141 /// Override BinaryWriter's method for network-order.
143 public override void Write(float f) {
144 BinaryWriter w = TemporaryBinaryWriter(4);
146 byte[] wrongBytes = TemporaryContents(w);
147 Write(wrongBytes[3]);
148 Write(wrongBytes[2]);
149 Write(wrongBytes[1]);
150 Write(wrongBytes[0]);
154 /// Override BinaryWriter's method for network-order.
156 public override void Write(double d) {
157 BinaryWriter w = TemporaryBinaryWriter(8);
159 byte[] wrongBytes = TemporaryContents(w);
160 Write(wrongBytes[7]);
161 Write(wrongBytes[6]);
162 Write(wrongBytes[5]);
163 Write(wrongBytes[4]);
164 Write(wrongBytes[3]);
165 Write(wrongBytes[2]);
166 Write(wrongBytes[1]);
167 Write(wrongBytes[0]);
170 ///<summary>Helper method for constructing a temporary
171 ///BinaryWriter streaming into a fresh MemoryStream
172 ///provisioned with the given initialSize.</summary>
173 public static BinaryWriter TemporaryBinaryWriter(int initialSize) {
174 return new BinaryWriter(new MemoryStream(initialSize));
177 ///<summary>Helper method for extracting the byte[] contents
178 ///of a BinaryWriter over a MemoryStream, such as constructed
179 ///by TemporaryBinaryWriter.</summary>
180 public static byte[] TemporaryContents(BinaryWriter w) {
181 return ((MemoryStream) w.BaseStream).ToArray();