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Avoid array duplication of an array that is not accesible.

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Avoid extra array allocations with reads that require a byte array. (corrected with the comment of @Inverness)
This commit is contained in:
Andrés Leone
2016-06-25 20:47:29 +02:00
parent a7468f4f1c
commit d14d3e0d2d
2 changed files with 20 additions and 7 deletions
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21
Lidgren.Network/NetBuffer.Read.cs
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@@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.Net;
using System.Threading;
#if !__NOIPENDPOINT__
using NetEndPoint = System.Net.IPEndPoint;
@@ -17,6 +18,8 @@ namespace Lidgren.Network
{
private const string c_readOverflowError = "Trying to read past the buffer size - likely caused by mismatching Write/Reads, different size or order.";
private static byte[] s_buffer;
/// <summary>
/// Reads a boolean value (stored as a single bit) written using Write(bool)
/// </summary>
@@ -352,8 +355,11 @@ namespace Lidgren.Network
return retval;
}
byte[] bytes = ReadBytes(4);
return BitConverter.ToSingle(bytes, 0);
byte[] bytes = Interlocked.Exchange(ref s_buffer, null) ?? new byte[8];
ReadBytes(bytes, 0, 4);
float res = BitConverter.ToSingle(bytes, 0);
s_buffer = bytes;
return res;
}
/// <summary>
@@ -374,8 +380,10 @@ namespace Lidgren.Network
return true;
}
byte[] bytes = ReadBytes(4);
byte[] bytes = Interlocked.Exchange(ref s_buffer, null) ?? new byte[8];
ReadBytes(bytes, 0, 4);
result = BitConverter.ToSingle(bytes, 0);
s_buffer = bytes;
return true;
}
@@ -394,8 +402,11 @@ namespace Lidgren.Network
return retval;
}
byte[] bytes = ReadBytes(8);
return BitConverter.ToDouble(bytes, 0);
byte[] bytes = Interlocked.Exchange(ref s_buffer, null) ?? new byte[8];
ReadBytes(bytes, 0, 8);
double res = BitConverter.ToDouble(bytes, 0);
s_buffer = bytes;
return res;
}
//

6
Lidgren.Network/NetServer.cs
View File

@@ -24,7 +24,8 @@ namespace Lidgren.Network
/// <param name="method">How to deliver the message</param>
public void SendToAll(NetOutgoingMessage msg, NetDeliveryMethod method)
{
var all = this.Connections;
// Modifying m_connections will modify the list of the connections of the NetPeer. Do only reads here
var all = m_connections;
if (all.Count <= 0) {
if (msg.m_isSent == false)
Recycle(msg);
@@ -43,7 +44,8 @@ namespace Lidgren.Network
/// <param name="sequenceChannel">Which sequence channel to use for the message</param>
public void SendToAll(NetOutgoingMessage msg, NetConnection except, NetDeliveryMethod method, int sequenceChannel)
{
var all = this.Connections;
// Modifying m_connections will modify the list of the connections of the NetPeer. Do only reads here
var all = m_connections;
if (all.Count <= 0) {
if (msg.m_isSent == false)
Recycle(msg);