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mirror of https://github.com/lidgren/lidgren-network-gen3.git synced 2026-05-06 02:11:06 +09:00

major update; gen 3.5

This commit is contained in:
lidgren
2010-10-19 17:45:55 +00:00
parent baaa5926f8
commit 609bc1afe2
167 changed files with 4065 additions and 9640 deletions

View File

@@ -21,6 +21,7 @@ using System;
using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;
using System.Diagnostics;
namespace Lidgren.Network
{
@@ -45,34 +46,35 @@ namespace Lidgren.Network
float loss = m_configuration.m_loss;
if (loss > 0.0f)
{
if (NetRandom.Instance.Chance(m_configuration.m_loss))
if ((float)NetRandom.Instance.NextDouble() < loss)
{
//LogVerbose("Sending packet " + numBytes + " bytes - SIMULATED LOST!");
LogVerbose("Sending packet " + numBytes + " bytes - SIMULATED LOST!");
return; // packet "lost"
}
}
m_statistics.PacketSent(numBytes, numMessages);
// simulate latency
float m = m_configuration.m_minimumOneWayLatency;
float r = m_configuration.m_randomOneWayLatency;
if (m == 0.0f && r == 0.0f)
{
// no latency simulation
//LogVerbose("Sending packet " + numBytes + " bytes");
ActuallySendPacket(m_sendBuffer, numBytes, target, out connectionReset);
// LogVerbose("Sending packet " + numBytes + " bytes");
bool wasSent = ActuallySendPacket(m_sendBuffer, numBytes, target, out connectionReset);
// TODO: handle wasSent == false?
return;
}
int num = 1;
if (m_configuration.m_duplicates > 0.0f && NetRandom.Instance.Chance(m_configuration.m_duplicates))
if (m_configuration.m_duplicates > 0.0f && NetRandom.Instance.NextSingle() < m_configuration.m_duplicates)
num++;
float delay = 0;
for (int i = 0; i < num; i++)
{
delay = m_configuration.m_minimumOneWayLatency + (NetRandom.Instance.NextFloat() * m_configuration.m_randomOneWayLatency);
delay = m_configuration.m_minimumOneWayLatency + (NetRandom.Instance.NextSingle() * m_configuration.m_randomOneWayLatency);
// Enqueue delayed packet
DelayedPacket p = new DelayedPacket();
@@ -108,7 +110,7 @@ namespace Lidgren.Network
}
}
internal void ActuallySendPacket(byte[] data, int numBytes, IPEndPoint target, out bool connectionReset)
internal bool ActuallySendPacket(byte[] data, int numBytes, IPEndPoint target, out bool connectionReset)
{
connectionReset = false;
try
@@ -122,6 +124,56 @@ namespace Lidgren.Network
}
catch (SocketException sx)
{
if (sx.SocketErrorCode == SocketError.WouldBlock)
{
// send buffer full?
LogWarning("Socket threw exception; would block - send buffer full? Increase in NetPeerConfiguration");
return false;
}
if (sx.SocketErrorCode == SocketError.ConnectionReset)
{
// connection reset by peer, aka connection forcibly closed aka "ICMP port unreachable"
connectionReset = true;
return false;
}
LogError("Failed to send packet: " + sx);
}
catch (Exception ex)
{
LogError("Failed to send packet: " + ex);
}
finally
{
if (target.Address == IPAddress.Broadcast)
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, false);
}
return true;
}
#else
//
// Release - just send the packet straight away
//
internal void SendPacket(int numBytes, IPEndPoint target, int numMessages, out bool connectionReset)
{
connectionReset = false;
try
{
if (target.Address == IPAddress.Broadcast)
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
int bytesSent = m_socket.SendTo(m_sendBuffer, 0, numBytes, SocketFlags.None, target);
if (numBytes != bytesSent)
LogWarning("Failed to send the full " + numBytes + "; only " + bytesSent + " bytes sent in packet!");
}
catch (SocketException sx)
{
if (sx.SocketErrorCode == SocketError.WouldBlock)
{
// send buffer full?
LogWarning("Socket threw exception; would block - send buffer full? Increase in NetPeerConfiguration");
return;
}
if (sx.SocketErrorCode == SocketError.ConnectionReset)
{
// connection reset by peer, aka connection forcibly closed aka "ICMP port unreachable"
@@ -139,35 +191,13 @@ namespace Lidgren.Network
if (target.Address == IPAddress.Broadcast)
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, false);
}
return;
}
#else
//
// Release - just send the packet straight away
//
internal void SendPacket(int numBytes, IPEndPoint target, int numMessages, out bool connectionReset)
private void SendCallBack(IAsyncResult res)
{
connectionReset = false;
try
{
int bytesSent = m_socket.SendTo(m_sendBuffer, 0, numBytes, SocketFlags.None, target);
if (numBytes != bytesSent)
LogWarning("Failed to send the full " + numBytes + "; only " + bytesSent + " bytes sent in packet!");
}
catch (SocketException sx)
{
if (sx.SocketErrorCode == SocketError.ConnectionReset)
{
// connection reset by peer, aka connection forcibly closed aka "ICMP port unreachable"
connectionReset = true;
return;
}
LogError("Failed to send packet: " + sx);
}
catch (Exception ex)
{
LogError("Failed to send packet: " + ex);
}
NetException.Assert(res.IsCompleted == true);
m_socket.EndSendTo(res);
}
#endif
}