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Diffstat (limited to 'qpid/dotnet/client-010/client/transport/network/Frame.cs')
-rw-r--r--qpid/dotnet/client-010/client/transport/network/Frame.cs143
1 files changed, 143 insertions, 0 deletions
diff --git a/qpid/dotnet/client-010/client/transport/network/Frame.cs b/qpid/dotnet/client-010/client/transport/network/Frame.cs
new file mode 100644
index 0000000000..b8ec36d8b6
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+++ b/qpid/dotnet/client-010/client/transport/network/Frame.cs
@@ -0,0 +1,143 @@
+/*
+*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements. See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership. The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License. You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied. See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*
+*/
+using System;
+using System.IO;
+
+namespace org.apache.qpid.transport.network
+{
+ public sealed class Frame : INetworkEvent
+ {
+ internal static int HEADER_SIZE = 12;
+
+ // XXX: enums?
+ public const byte L1 = 0;
+ public const byte L2 = 1;
+ public const byte L3 = 2;
+ public const byte L4 = 3;
+
+ public static byte RESERVED = 0x0;
+
+ public static byte VERSION = 0x0;
+
+ public static byte FIRST_SEG = 0x8;
+ public static byte LAST_SEG = 0x4;
+ public static byte FIRST_FRAME = 0x2;
+ public static byte LAST_FRAME = 0x1;
+
+ private readonly byte flags;
+ private readonly SegmentType type;
+ private readonly byte track;
+ private readonly int channel;
+ private readonly MemoryStream body;
+ private int _bodySize;
+
+
+ public Frame(byte flags, SegmentType type, byte track, int channel, int bodySize,
+ MemoryStream body)
+ {
+ this.flags = flags;
+ this.type = type;
+ this.track = track;
+ this.channel = channel;
+ this.body = body;
+ _bodySize = bodySize;
+ }
+
+ public int BodySize
+ {
+ get { return _bodySize; }
+ }
+
+ public MemoryStream Body
+ {
+ get { return body; }
+ }
+
+ public byte Flags
+ {
+ get { return flags; }
+ }
+
+ public int Channel
+ {
+ get { return channel; }
+ }
+
+ public int Size
+ {
+ get { return (int) body.Length;}
+ }
+
+ public SegmentType Type
+ {
+ get { return type; }
+ }
+
+ public byte Track
+ {
+ get { return track; }
+ }
+
+ private bool Flag(byte mask)
+ {
+ return (flags & mask) != 0;
+ }
+
+ public bool IsFirstSegment()
+ {
+ return Flag(FIRST_SEG);
+ }
+
+ public bool IsLastSegment()
+ {
+ return Flag(LAST_SEG);
+ }
+
+ public bool IsFirstFrame()
+ {
+ return Flag(FIRST_FRAME);
+ }
+
+ public bool IsLastFrame()
+ {
+ return Flag(LAST_FRAME);
+ }
+
+ #region INetworkEvent Methods
+
+ public void ProcessNetworkEvent(INetworkDelegate ndelegate)
+ {
+ ndelegate.Frame(this);
+ }
+
+ #endregion
+
+ public override String ToString()
+ {
+ return String.Format
+ ("[{0:d} {1:d} {2:d} {3} {4}{5}{6}{7}] ", Channel, Size, Track, Type,
+ IsFirstSegment() ? 1 : 0, IsLastSegment() ? 1 : 0,
+ IsFirstFrame() ? 1 : 0, IsLastFrame() ? 1 : 0);
+ }
+
+
+ }
+}