57 lines
1.9 KiB
C#
57 lines
1.9 KiB
C#
using System;
|
|
|
|
|
|
|
|
namespace BestHTTP
|
|
|
|
{
|
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
public sealed class HTTPRange
|
|
|
|
{
|
|
|
|
/// <summary>
|
|
|
|
/// The first byte's position that the server sent.
|
|
|
|
/// </summary>
|
|
|
|
public long FirstBytePos { get; private set; }
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
/// The last byte's position that the server sent.
|
|
|
|
/// </summary>
|
|
|
|
public long LastBytePos { get; private set; }
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
/// Indicates the total length of the full entity-body on the server, -1 if this length is unknown or difficult to determine.
|
|
|
|
/// </summary>
|
|
|
|
public long ContentLength { get; private set; }
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
///
|
|
|
|
/// </summary>
|
|
|
|
public bool IsValid { get; private set; }
|
|
|
|
|
|
|
|
internal HTTPRange()
|
|
|
|
{
|
|
|
|
this.ContentLength = -1;
|
|
|
|
this.IsValid = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
internal HTTPRange(int contentLength)
|
|
|
|
{
|
|
|
|
this.ContentLength = contentLength;
|
|
|
|
this.IsValid = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
internal HTTPRange(long firstBytePosition, long lastBytePosition, long contentLength)
|
|
|
|
{
|
|
|
|
this.FirstBytePos = firstBytePosition;
|
|
|
|
this.LastBytePos = lastBytePosition;
|
|
|
|
this.ContentLength = contentLength;
|
|
|
|
|
|
|
|
// A byte-content-range-spec with a byte-range-resp-spec whose last-byte-pos value is less than its first-byte-pos value, or whose instance-length value is less than or equal to its last-byte-pos value, is invalid.
|
|
|
|
this.IsValid = this.FirstBytePos <= this.LastBytePos && this.ContentLength > this.LastBytePos;
|
|
|
|
}
|
|
|
|
|
|
|
|
public override string ToString()
|
|
|
|
{
|
|
|
|
return string.Format("{0}-{1}/{2} (valid: {3})", FirstBytePos, LastBytePos, ContentLength, IsValid);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} |