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Fix wrong packet writer buffer length calculation.

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This commit is contained in:
Christian Kratky
2018-06-24 19:51:00 +02:00
parent f39589a8c1
commit 211853d519
2 changed files with 33 additions and 4 deletions
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Source/MQTTnet/Serializer/MqttPacketWriter.cs
+8 -4
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@@ -89,6 +89,8 @@ namespace MQTTnet.Serializer
public void Write(byte[] array, int offset, int count)
{
if (array == null) throw new ArgumentNullException(nameof(array));
EnsureAdditionalCapacity(count);
Array.Copy(array, offset, _buffer, _position, count);
@@ -135,17 +137,18 @@ namespace MQTTnet.Serializer
return;
}
EnsureCapacity(additionalCapacity - freeSpace);
EnsureCapacity(_buffer.Length + additionalCapacity - freeSpace);
}
private void EnsureCapacity(int capacity)
{
if (_buffer.Length >= capacity)
var newBufferLength = _buffer.Length;
if (newBufferLength >= capacity)
{
return;
}
var newBufferLength = _buffer.Length;
while (newBufferLength < capacity)
{
newBufferLength *= 2;
@@ -157,6 +160,7 @@ namespace MQTTnet.Serializer
private void IncreasePostition(int length)
{
_position += length;
if (_position > Length)
{
Length = _position;