protected override IMemcachedRequest CreateRequest()
{
var builder = new BinaryRequestBuilder(allocator, 0)
{
Operation = OpCode.Stat
};
try
{
if (!String.IsNullOrEmpty(type))
{
using var data = allocator.Rent(type.Length);
var span = data.Memory.Span;
var count = Encoding.ASCII.GetBytes(type.AsSpan(), span);
builder.SetKeyRaw(span.Take(count));
}
builder.Commit();
}
catch
{
builder.Dispose();
throw;
}
return(builder);
}
protected BinaryItemOperation(MemoryPool <byte> allocator, string key, IKeyFormatter keyFormatter, byte extraLength = 0)
{
Allocator = allocator;
try
{
Request = new BinaryRequestBuilder(allocator, extraLength);
Key = Request.SetKey(keyFormatter, key);
}
catch
{
Request?.Dispose();
throw;
}
}
/*
* Request:
*
* MAY have extras.
* MUST NOT have key.
* MUST NOT have value.
* Extra data for flush:
*
* Byte/ 0 | 1 | 2 | 3 |
* / | | | |
|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|
+---------------+---------------+---------------+---------------+
* 0| Expiration |
+---------------+---------------+---------------+---------------+
* Total 4 bytes
*
*/
protected override IMemcachedRequest CreateRequest()
{
const byte NoExtra = 0;
const byte HasExtra = 4;
var builder = new BinaryRequestBuilder(allocator, When.IsNever ? NoExtra : HasExtra)
{
Operation = OpCode.Flush
};
if (!When.IsNever)
{
BinaryPrimitives.WriteUInt32BigEndian(builder.GetExtraBuffer(), When.Value);
}
builder.Commit();
return(builder);
}