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dont copy on send

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This commit is contained in:
JohnCorby 2025-02-24 15:57:54 -08:00
parent 83a912e7c4
commit d711202dae
3 changed files with 9 additions and 10 deletions
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7
SteamTransport/Client.cs
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@ -69,13 +69,12 @@ public class Client
public void Send(ArraySegment<byte> segment, int channelId) public void Send(ArraySegment<byte> segment, int channelId)
{ {
var data = new byte[segment.Count]; // use pointer to managed array instead of making copy. is this okay?
Array.Copy(segment.Array, segment.Offset, data, 0, data.Length);
unsafe unsafe
{ {
fixed (byte* pData = data) fixed (byte* pData = segment.Array)
{ {
var result = SteamNetworkingSockets.SendMessageToConnection(_conn, (IntPtr)pData, (uint)data.Length, Util.MirrorChannel2SendFlag(channelId), out _); var result = SteamNetworkingSockets.SendMessageToConnection(_conn, (IntPtr)(pData + segment.Offset), (uint)segment.Count, Util.MirrorChannel2SendFlag(channelId), out _);
_transport.OnClientDataSent?.Invoke(segment, channelId); _transport.OnClientDataSent?.Invoke(segment, channelId);
} }
} }

4
SteamTransport/Program.cs
View File

@ -92,7 +92,7 @@ public static class Program
running = false; running = false;
break; break;
case 's': case 's':
transport.ServerSend(theConn, new ArraySegment<byte>(new byte[] { 1, 2, 3 })); transport.ServerSend(theConn, new ArraySegment<byte>(new byte[] { 1, 2, 3, 4, 5 }, 1, 5 - 1));
break; break;
case 'd': case 'd':
transport.ServerDisconnect(theConn); transport.ServerDisconnect(theConn);
@ -136,7 +136,7 @@ public static class Program
running = false; running = false;
break; break;
case 's': case 's':
transport.ClientSend(new ArraySegment<byte>(new byte[] { 1, 2, 3 })); transport.ClientSend(new ArraySegment<byte>(new byte[] { 1, 2, 3, 4, 5 }, 1, 5 - 1));
break; break;
} }
} }

8
SteamTransport/Server.cs
View File

@ -46,6 +46,7 @@ public class Server
public bool IsListening; public bool IsListening;
private HSteamListenSocket _listenSocket; private HSteamListenSocket _listenSocket;
// connection id is derived from uint to int cast here. is that okay???
private readonly List<HSteamNetConnection> _conns = new(); private readonly List<HSteamNetConnection> _conns = new();
public void StartListening() public void StartListening()
@ -62,13 +63,12 @@ public class Server
{ {
var conn = new HSteamNetConnection((uint)connectionId); var conn = new HSteamNetConnection((uint)connectionId);
var data = new byte[segment.Count]; // use pointer to managed array instead of making copy. is this okay?
Array.Copy(segment.Array, segment.Offset, data, 0, data.Length);
unsafe unsafe
{ {
fixed (byte* pData = data) fixed (byte* pData = segment.Array)
{ {
var result = SteamNetworkingSockets.SendMessageToConnection(conn, (IntPtr)pData, (uint)data.Length, Util.MirrorChannel2SendFlag(channelId), out _); var result = SteamNetworkingSockets.SendMessageToConnection(conn, (IntPtr)(pData + segment.Offset), (uint)segment.Count, Util.MirrorChannel2SendFlag(channelId), out _);
_transport.OnServerDataSent?.Invoke(connectionId, segment, channelId); _transport.OnServerDataSent?.Invoke(connectionId, segment, channelId);
} }
} }