[cgutman] 41751: - TCPIP locking rewrite (part 2 of x) - Add locking in places that need it - Eliminate double acquisition of TCPLock for the same request - Next step: Verify that all places that need locking have it
3 Jul
2009
3 Jul
'09
12:57 a.m.
Author: cgutman
Date: Fri Jul 3 04:57:47 2009
New Revision: 41751
URL: http://svn.reactos.org/svn/reactos?rev=41751&view=rev
Log:
- TCPIP locking rewrite (part 2 of x)
- Add locking in places that need it
- Eliminate double acquisition of TCPLock for the same request
- Next step: Verify that all places that need locking have it
Modified:
trunk/reactos/drivers/network/tcpip/tcpip/dispatch.c
trunk/reactos/lib/drivers/ip/transport/tcp/accept.c
trunk/reactos/lib/drivers/ip/transport/tcp/tcp.c
Modified: trunk/reactos/drivers/network/tcpip/tcpip/dispatch.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/tcpip/tcpi…
==============================================================================
--- trunk/reactos/drivers/network/tcpip/tcpip/dispatch.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/network/tcpip/tcpip/dispatch.c [iso-8859-1] Fri Jul 3 04:57:47
2009
@@ -646,15 +646,19 @@
PTDI_REQUEST_KERNEL_QUERY_INFORMATION Parameters;
PTRANSPORT_CONTEXT TranContext;
PIO_STACK_LOCATION IrpSp;
+ NTSTATUS Status;
TI_DbgPrint(DEBUG_IRP, ("Called.\n"));
IrpSp = IoGetCurrentIrpStackLocation(Irp);
Parameters = (PTDI_REQUEST_KERNEL_QUERY_INFORMATION)&IrpSp->Parameters;
+
+ TcpipRecursiveMutexEnter( &TCPLock, TRUE );
TranContext = IrpSp->FileObject->FsContext;
if (!TranContext) {
TI_DbgPrint(MID_TRACE, ("Bad transport context.\n"));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_INVALID_PARAMETER;
}
@@ -672,6 +676,7 @@
(FIELD_OFFSET(TDI_ADDRESS_INFO, Address.Address[0].Address) +
sizeof(TDI_ADDRESS_IP))) {
TI_DbgPrint(MID_TRACE, ("MDL buffer too small.\n"));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_BUFFER_TOO_SMALL;
}
@@ -690,6 +695,7 @@
RtlZeroMemory(
&Address->Address[0].Address[0].sin_zero,
sizeof(Address->Address[0].Address[0].sin_zero));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_SUCCESS;
case TDI_CONNECTION_FILE:
@@ -700,18 +706,22 @@
RtlZeroMemory(
&Address->Address[0].Address[0].sin_zero,
sizeof(Address->Address[0].Address[0].sin_zero));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_SUCCESS;
default:
TI_DbgPrint(MIN_TRACE, ("Invalid transport context\n"));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_INVALID_PARAMETER;
}
if (!AddrFile) {
TI_DbgPrint(MID_TRACE, ("No address file object.\n"));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_INVALID_PARAMETER;
}
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_SUCCESS;
}
@@ -725,6 +735,7 @@
(FIELD_OFFSET(TDI_CONNECTION_INFORMATION, RemoteAddress) +
sizeof(PVOID))) {
TI_DbgPrint(MID_TRACE, ("MDL buffer too small (ptr).\n"));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_BUFFER_TOO_SMALL;
}
@@ -743,18 +754,24 @@
default:
TI_DbgPrint(MIN_TRACE, ("Invalid transport context\n"));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_INVALID_PARAMETER;
}
if (!Endpoint) {
TI_DbgPrint(MID_TRACE, ("No connection object.\n"));
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_INVALID_PARAMETER;
}
- return TCPGetSockAddress( Endpoint, AddressInfo->RemoteAddress, TRUE );
+ Status = TCPGetSockAddress( Endpoint, AddressInfo->RemoteAddress, TRUE );
+
+ TcpipRecursiveMutexLeave(&TCPLock);
+ return Status;
}
}
+ TcpipRecursiveMutexLeave(&TCPLock);
return STATUS_NOT_IMPLEMENTED;
}
Modified: trunk/reactos/lib/drivers/ip/transport/tcp/accept.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/ip/transport/t…
==============================================================================
--- trunk/reactos/lib/drivers/ip/transport/tcp/accept.c [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/ip/transport/tcp/accept.c [iso-8859-1] Fri Jul 3 04:57:47
2009
@@ -142,6 +142,8 @@
Status = TCPServiceListeningSocket( Listener, Connection,
(PTDI_REQUEST_KERNEL)Request );
+ TcpipRecursiveMutexLeave( &TCPLock );
+
if( Status == STATUS_PENDING ) {
Bucket = exAllocatePool( NonPagedPool, sizeof(*Bucket) );
@@ -155,8 +157,6 @@
Status = STATUS_NO_MEMORY;
}
- TcpipRecursiveMutexLeave( &TCPLock );
-
TI_DbgPrint(DEBUG_TCP,("TCPAccept finished %x\n", Status));
return Status;
}
Modified: trunk/reactos/lib/drivers/ip/transport/tcp/tcp.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/ip/transport/t…
==============================================================================
--- trunk/reactos/lib/drivers/ip/transport/tcp/tcp.c [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/ip/transport/tcp/tcp.c [iso-8859-1] Fri Jul 3 04:57:47
2009
@@ -332,7 +332,6 @@
"Proto %d\n",
Connection, Family, Type, Proto));
- TcpipRecursiveMutexEnter( &TCPLock, TRUE );
Status = TCPTranslateError( OskitTCPSocket( Connection,
&Connection->SocketContext,
Family,
@@ -343,8 +342,6 @@
TI_DbgPrint(DEBUG_TCP,("Connection->SocketContext %x\n",
Connection->SocketContext));
-
- TcpipRecursiveMutexLeave( &TCPLock );
return Status;
}
@@ -599,11 +596,8 @@
return STATUS_NETWORK_UNREACHABLE;
}
- TcpipRecursiveMutexEnter( &TCPLock, TRUE );
-
if (Connection->State & SEL_FIN)
{
- TcpipRecursiveMutexLeave( &TCPLock );
return STATUS_REMOTE_DISCONNECT;
}
@@ -649,8 +643,6 @@
}
}
- TcpipRecursiveMutexLeave( &TCPLock );
-
return Status;
}
@@ -665,8 +657,6 @@
TI_DbgPrint(DEBUG_TCP,("started\n"));
- TcpipRecursiveMutexEnter( &TCPLock, TRUE );
-
switch( Flags & (TDI_DISCONNECT_ABORT | TDI_DISCONNECT_RELEASE) ) {
case 0:
case TDI_DISCONNECT_ABORT:
@@ -685,8 +675,6 @@
Status = TCPTranslateError
( OskitTCPShutdown( Connection->SocketContext, Flags ) );
- TcpipRecursiveMutexLeave( &TCPLock );
-
TI_DbgPrint(DEBUG_TCP,("finished %x\n", Status));
return Status;
@@ -698,15 +686,11 @@
TI_DbgPrint(DEBUG_TCP,("TCPClose started\n"));
- TcpipRecursiveMutexEnter( &TCPLock, TRUE );
-
/* Make our code remove all pending IRPs */
Connection->State |= SEL_FIN;
DrainSignals();
Status = TCPTranslateError( OskitTCPClose( Connection->SocketContext ) );
-
- TcpipRecursiveMutexLeave( &TCPLock );
TI_DbgPrint(DEBUG_TCP,("TCPClose finished %x\n", Status));
@@ -731,12 +715,9 @@
ASSERT_KM_POINTER(Connection->SocketContext);
- TcpipRecursiveMutexEnter( &TCPLock, TRUE );
-
/* Closing */
if (Connection->State & SEL_FIN)
{
- TcpipRecursiveMutexLeave( &TCPLock );
*BytesReceived = 0;
return STATUS_REMOTE_DISCONNECT;
}
@@ -761,7 +742,6 @@
Bucket = exAllocatePool( NonPagedPool, sizeof(*Bucket) );
if( !Bucket ) {
TI_DbgPrint(DEBUG_TCP,("Failed to allocate bucket\n"));
- TcpipRecursiveMutexLeave( &TCPLock );
return STATUS_NO_MEMORY;
}
@@ -777,8 +757,6 @@
TI_DbgPrint(DEBUG_TCP,("Got status %x, bytes %d\n", Status,
Received));
*BytesReceived = Received;
}
-
- TcpipRecursiveMutexLeave( &TCPLock );
TI_DbgPrint(DEBUG_TCP,("Status %x\n", Status));
@@ -802,8 +780,6 @@
ASSERT_KM_POINTER(Connection->SocketContext);
- TcpipRecursiveMutexEnter( &TCPLock, TRUE );
-
TI_DbgPrint(DEBUG_TCP,("Connection = %x\n", Connection));
TI_DbgPrint(DEBUG_TCP,("Connection->SocketContext = %x\n",
Connection->SocketContext));
@@ -811,7 +787,6 @@
/* Closing */
if (Connection->State & SEL_FIN)
{
- TcpipRecursiveMutexLeave( &TCPLock );
*BytesSent = 0;
return STATUS_REMOTE_DISCONNECT;
}
@@ -829,7 +804,6 @@
Bucket = exAllocatePool( NonPagedPool, sizeof(*Bucket) );
if( !Bucket ) {
TI_DbgPrint(DEBUG_TCP,("Failed to allocate bucket\n"));
- TcpipRecursiveMutexLeave( &TCPLock );
return STATUS_NO_MEMORY;
}
@@ -846,8 +820,6 @@
*BytesSent = Sent;
}
- TcpipRecursiveMutexLeave( &TCPLock );
-
TI_DbgPrint(DEBUG_TCP,("Status %x\n", Status));
return Status;
@@ -880,8 +852,6 @@
OSK_UI16 LocalPort, RemotePort;
PTA_IP_ADDRESS AddressIP = (PTA_IP_ADDRESS)Address;
- TcpipRecursiveMutexEnter( &TCPLock, TRUE );
-
OskitTCPGetAddress
( Connection->SocketContext,
&LocalAddress, &LocalPort,
@@ -892,8 +862,6 @@
AddressIP->Address[0].AddressType = TDI_ADDRESS_TYPE_IP;
AddressIP->Address[0].Address[0].sin_port = GetRemote ? RemotePort : LocalPort;
AddressIP->Address[0].Address[0].in_addr = GetRemote ? RemoteAddress :
LocalAddress;
-
- TcpipRecursiveMutexLeave( &TCPLock );
return STATUS_SUCCESS;
}
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