48 lines
1.2 KiB
C#
48 lines
1.2 KiB
C#
using System;
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using System.IO;
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using System.Text;
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namespace NamedPipes
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{
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// Defines the data protocol for reading and writing strings on our stream.
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public class StreamString
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{
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private readonly Stream ioStream;
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private readonly UnicodeEncoding streamEncoding;
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public StreamString(Stream ioStream)
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{
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this.ioStream = ioStream;
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streamEncoding = new UnicodeEncoding();
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}
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public string ReadString()
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{
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int len;
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len = ioStream.ReadByte() * 256;
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len += ioStream.ReadByte();
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var inBuffer = new byte[len];
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ioStream.Read(inBuffer, 0, len);
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return streamEncoding.GetString(inBuffer);
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}
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public int WriteString(string outString)
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{
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byte[] outBuffer = streamEncoding.GetBytes(outString);
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int len = outBuffer.Length;
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if (len > UInt16.MaxValue)
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{
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len = (int)UInt16.MaxValue;
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}
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ioStream.WriteByte((byte)(len / 256));
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ioStream.WriteByte((byte)(len & 255));
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ioStream.Write(outBuffer, 0, len);
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ioStream.Flush();
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return outBuffer.Length + 2;
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}
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}
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}
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