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Make it possible to separate start and stop lludp packet processing from the console for debug processes.

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This is controlled via the "debug lludp start <in|out|all>" and "debug lludp stop <in|out|all>" region console commands.
The command "debug lludp status" will show current status.
This commit is contained in:
Justin Clark-Casey (justincc)
2012-10-16 21:55:00 +01:00
parent 8459b98f68
commit db4ca57590
2 changed files with 129 additions and 31 deletions
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44
OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs
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@@ -58,11 +58,12 @@ namespace OpenMetaverse
/// <summary>Flag to process packets asynchronously or synchronously</summary>
private bool m_asyncPacketHandling;
/// <summary>The all important shutdown flag</summary>
private volatile bool m_shutdownFlag = true;
/// <summary>Returns true if the server is currently listening for inbound packets, otherwise false</summary>
public bool IsRunningInbound { get; private set; }
/// <summary>Returns true if the server is currently listening, otherwise false</summary>
public bool IsRunning { get { return !m_shutdownFlag; } }
/// <summary>Returns true if the server is currently sending outbound packets, otherwise false</summary>
/// <remarks>If IsRunningOut = false, then any request to send a packet is simply dropped.</remarks>
public bool IsRunningOutbound { get; private set; }
/// <summary>
/// Default constructor
@@ -76,7 +77,7 @@ namespace OpenMetaverse
}
/// <summary>
/// Start the UDP server
/// Start inbound UDP packet handling.
/// </summary>
/// <param name="recvBufferSize">The size of the receive buffer for
/// the UDP socket. This value is passed up to the operating system
@@ -91,11 +92,11 @@ namespace OpenMetaverse
/// manner (not throwing an exception when the remote side resets the
/// connection). This call is ignored on Mono where the flag is not
/// necessary</remarks>
public void Start(int recvBufferSize, bool asyncPacketHandling)
public void StartInbound(int recvBufferSize, bool asyncPacketHandling)
{
m_asyncPacketHandling = asyncPacketHandling;
if (m_shutdownFlag)
if (!IsRunningInbound)
{
const int SIO_UDP_CONNRESET = -1744830452;
@@ -127,8 +128,7 @@ namespace OpenMetaverse
m_udpSocket.Bind(ipep);
// we're not shutting down, we're starting up
m_shutdownFlag = false;
IsRunningInbound = true;
// kick off an async receive. The Start() method will return, the
// actual receives will occur asynchronously and will be caught in
@@ -138,28 +138,38 @@ namespace OpenMetaverse
}
/// <summary>
/// Stops the UDP server
/// Start outbound UDP packet handling.
/// </summary>
public void Stop()
public void StartOutbound()
{
if (!m_shutdownFlag)
IsRunningOutbound = true;
}
public void StopInbound()
{
if (IsRunningInbound)
{
// wait indefinitely for a writer lock. Once this is called, the .NET runtime
// will deny any more reader locks, in effect blocking all other send/receive
// threads. Once we have the lock, we set shutdownFlag to inform the other
// threads. Once we have the lock, we set IsRunningInbound = false to inform the other
// threads that the socket is closed.
m_shutdownFlag = true;
IsRunningInbound = false;
m_udpSocket.Close();
}
}
public void StopOutbound()
{
IsRunningOutbound = false;
}
private void AsyncBeginReceive()
{
// allocate a packet buffer
//WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut();
UDPPacketBuffer buf = new UDPPacketBuffer();
if (!m_shutdownFlag)
if (IsRunningInbound)
{
try
{
@@ -212,7 +222,7 @@ namespace OpenMetaverse
{
// Asynchronous receive operations will complete here through the call
// to AsyncBeginReceive
if (!m_shutdownFlag)
if (IsRunningInbound)
{
// Asynchronous mode will start another receive before the
// callback for this packet is even fired. Very parallel :-)
@@ -252,7 +262,7 @@ namespace OpenMetaverse
public void AsyncBeginSend(UDPPacketBuffer buf)
{
if (!m_shutdownFlag)
if (IsRunningOutbound)
{
try
{