private static void Validate(int bufferSize, int dataSize)
{
if (bufferSize < dataSize)
{
throw new AmqpException(AmqpError.DecodeError, SRAmqp.AmqpInsufficientBufferSize(dataSize, bufferSize));
}
}
public void Decode(ByteBuffer buffer)
{
if (buffer.Length < this.EncodeSize)
{
throw AmqpEncoding.GetEncodingException(SRAmqp.AmqpInsufficientBufferSize(this.EncodeSize, buffer.Length));
}
if (AmqpBitConverter.ReadUInt(buffer) != 1095586128)
{
throw AmqpEncoding.GetEncodingException("ProtocolName");
}
this.protocolId = (Microsoft.ServiceBus.Messaging.Amqp.ProtocolId)AmqpBitConverter.ReadUByte(buffer);
this.version = new AmqpVersion(AmqpBitConverter.ReadUByte(buffer), AmqpBitConverter.ReadUByte(buffer), AmqpBitConverter.ReadUByte(buffer));
}
public void Validate(bool write, int dataSize)
{
ByteBuffer.ManagedBuffer managedBuffer;
bool length = false;
if (!write)
{
length = this.Length >= dataSize;
}
else
{
if (this.Size < dataSize && this.autoGrow)
{
if (this.references != 1)
{
throw new InvalidOperationException("Cannot grow the current buffer because it has more than one references");
}
int num = Math.Max(this.Capacity * 2, this.Capacity + dataSize);
managedBuffer = (this.bufferManager == null ? new ByteBuffer.ManagedBuffer(new byte[num], null) : ByteBuffer.AllocateBuffer(num, this.bufferManager));
System.Buffer.BlockCopy(this.buffer, this.start, managedBuffer.Buffer, 0, this.Capacity);
int num1 = this.read - this.start;
int num2 = this.write - this.start;
this.start = 0;
this.read = num1;
this.write = num2;
this.end = num;
if (this.bufferManager != null)
{
this.bufferManager.ReturnBuffer(this.buffer);
}
this.buffer = managedBuffer.Buffer;
this.bufferManager = managedBuffer.BufferManager;
}
length = this.Size >= dataSize;
}
if (!length)
{
throw new AmqpException(AmqpError.DecodeError, SRAmqp.AmqpInsufficientBufferSize(dataSize, (write ? this.Size : this.Length)));
}
}