public StreamLogWriter(System.IO.Stream stream, INewLineStrategy newLineStrategy, IMessageFormatStrategy messageFormatStrategy)
{
if (stream == null || stream.Equals(System.IO.Stream.Null))
{
throw new ArgumentNullException(nameof(stream), "not available to operate with a null stream");
}
this.NewLineStrategy = newLineStrategy;
this.MessageFormatStrategy = messageFormatStrategy;
this._writer = new StreamWriter(stream);
this._writer.AutoFlush = true;
this.Items = new LogCollection();
}
public static bool StreamEquals(this Stream stream1, Stream stream2)
{
if (stream1 == null && stream2 != null)
{
return(false);
}
if (stream1 != null && stream2 == null)
{
return(false);
}
if (stream1.Equals(stream2))
{
return(true);
}
stream1.Position = 0;
stream2.Position = 0;
try
{
using (var buffer1 = MemoryPool <byte> .GetBuffer())
using (var buffer2 = MemoryPool <byte> .GetBuffer())
{
var bufferSize = buffer1.Length;
while (true)
{
var count1 = stream1.Read(buffer1, 0, bufferSize);
// Check the case where stream1 and stream2 use the same
// underlying stream.
if (stream1.Position == stream2.Position)
{
return(true);
}
var count2 = stream2.Read(buffer2, 0, bufferSize);
if (count1 != count2)
{
return(false);
}
if (count1 == 0)
{
return(true);
}
if (count1 != bufferSize)
{
for (int i = 0; i < count1; i++)
{
if (buffer1[i] != buffer2[i])
{
return(false);
}
}
}
else
{
if (!ArrayExtensions.ContentEquals(buffer1, buffer2))
{
return(false);
}
}
}
}
}
finally
{
stream1.Position = 0;
stream2.Position = 0;
}
}
/// <inheritdoc />
public override bool Equals(object obj)
{
return(_stream.Equals(obj));
}
