[cgutman] 43926: - Rework our oskittcp signalling - SignalledConnectionsList is now only used for connections that have pending requests - Remove another unused member from CONNECTION_ENDPOINT
2 Nov
2009
2 Nov
'09
9:28 p.m.
Author: cgutman
Date: Mon Nov 2 22:28:25 2009
New Revision: 43926
URL: http://svn.reactos.org/svn/reactos?rev=43926&view=rev
Log:
- Rework our oskittcp signalling
- SignalledConnectionsList is now only used for connections that have pending requests
- Remove another unused member from CONNECTION_ENDPOINT
Modified:
trunk/reactos/drivers/network/tcpip/include/tcp.h
trunk/reactos/drivers/network/tcpip/include/titypes.h
trunk/reactos/lib/drivers/ip/transport/tcp/event.c
trunk/reactos/lib/drivers/ip/transport/tcp/tcp.c
Modified: trunk/reactos/drivers/network/tcpip/include/tcp.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/tcpip/incl…
==============================================================================
--- trunk/reactos/drivers/network/tcpip/include/tcp.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/network/tcpip/include/tcp.h [iso-8859-1] Mon Nov 2 22:28:25
2009
@@ -105,6 +105,7 @@
PVOID Context );
/* tcp.c */
+ULONG HandleSignalledConnection( PCONNECTION_ENDPOINT Connection );
PCONNECTION_ENDPOINT TCPAllocateConnectionEndpoint( PVOID ClientContext );
VOID TCPFreeConnectionEndpoint( PCONNECTION_ENDPOINT Connection );
Modified: trunk/reactos/drivers/network/tcpip/include/titypes.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/tcpip/incl…
==============================================================================
--- trunk/reactos/drivers/network/tcpip/include/titypes.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/network/tcpip/include/titypes.h [iso-8859-1] Mon Nov 2 22:28:25
2009
@@ -309,7 +309,6 @@
LIST_ENTRY SignalList; /* Entry in the list of sockets waiting for
* notification service to the client */
UINT SignalState; /* Active signals from oskit */
- BOOLEAN Signalled; /* Are we a member of the signal list */
} CONNECTION_ENDPOINT, *PCONNECTION_ENDPOINT;
Modified: trunk/reactos/lib/drivers/ip/transport/tcp/event.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/ip/transport/t…
==============================================================================
--- trunk/reactos/lib/drivers/ip/transport/tcp/event.c [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/ip/transport/tcp/event.c [iso-8859-1] Mon Nov 2 22:28:25
2009
@@ -15,6 +15,8 @@
void *WhichConnection,
OSK_UINT NewState ) {
PCONNECTION_ENDPOINT Connection = WhichConnection;
+ ULONG OldState;
+ KIRQL OldIrql;
ASSERT_LOCKED(&TCPLock);
@@ -38,14 +40,23 @@
TI_DbgPrint(DEBUG_TCP,("Found socket %x\n", Connection));
}
- TI_DbgPrint(MID_TRACE,("Connection signalled: %d\n",
- Connection->Signalled));
+ OldState = Connection->SignalState;
Connection->SignalState |= NewState;
- if( !Connection->Signalled ) {
- Connection->Signalled = TRUE;
- ExInterlockedInsertTailList( &SignalledConnectionsList,
&Connection->SignalList, &SignalledConnectionsLock );
- }
+
+ NewState = HandleSignalledConnection(Connection);
+
+ KeAcquireSpinLock(&SignalledConnectionsLock, &OldIrql);
+ if ((NewState == 0 || NewState == SEL_FIN) &&
+ (OldState != 0 && OldState != SEL_FIN))
+ {
+ RemoveEntryList(&Connection->SignalList);
+ }
+ else if (NewState != 0 && NewState != SEL_FIN)
+ {
+ InsertTailList(&SignalledConnectionsList, &Connection->SignalList);
+ }
+ KeReleaseSpinLock(&SignalledConnectionsLock, OldIrql);
return 0;
}
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] Mon Nov 2 22:28:25
2009
@@ -22,7 +22,7 @@
RECURSIVE_MUTEX TCPLock;
PORT_SET TCPPorts;
-static VOID HandleSignalledConnection( PCONNECTION_ENDPOINT Connection ) {
+ULONG HandleSignalledConnection( PCONNECTION_ENDPOINT Connection ) {
NTSTATUS Status = STATUS_SUCCESS;
PTCP_COMPLETION_ROUTINE Complete;
PTDI_BUCKET Bucket;
@@ -38,6 +38,7 @@
if( Connection->SignalState & SEL_FIN ) {
TI_DbgPrint(DEBUG_TCP, ("EOF From socket\n"));
+ Connection->SignalState &= ~SEL_READ;
while ((Entry = ExInterlockedRemoveHeadList( &Connection->ReceiveRequest,
&Connection->Lock )) !=
NULL)
{
@@ -49,6 +50,7 @@
exFreePool(Bucket);
}
+ Connection->SignalState &= ~SEL_WRITE;
while ((Entry = ExInterlockedRemoveHeadList( &Connection->SendRequest,
&Connection->Lock )) !=
NULL)
{
@@ -60,6 +62,7 @@
exFreePool(Bucket);
}
+ Connection->SignalState &= ~SEL_ACCEPT;
while ((Entry = ExInterlockedRemoveHeadList( &Connection->ListenRequest,
&Connection->Lock )) !=
NULL)
{
@@ -75,6 +78,7 @@
exFreePool(Bucket);
}
+ Connection->SignalState &= ~SEL_CONNECT;
while ((Entry = ExInterlockedRemoveHeadList( &Connection->ConnectRequest,
&Connection->Lock )) !=
NULL)
{
@@ -85,12 +89,11 @@
exFreePool(Bucket);
}
-
- Connection->SignalState = 0;
}
/* Things that can happen when we try the initial connection */
if( Connection->SignalState & SEL_CONNECT ) {
+ Connection->SignalState &= ~SEL_CONNECT;
while( (Entry = ExInterlockedRemoveHeadList( &Connection->ConnectRequest,
&Connection->Lock )) != NULL
) {
@@ -118,6 +121,7 @@
IsListEmpty(&Connection->ListenRequest) ?
"empty" : "nonempty"));
+ Connection->SignalState &= ~SEL_ACCEPT;
while( (Entry = ExInterlockedRemoveHeadList( &Connection->ListenRequest,
&Connection->Lock )) != NULL
) {
PIO_STACK_LOCATION IrpSp;
@@ -137,6 +141,7 @@
TI_DbgPrint(DEBUG_TCP,("Socket: Status: %x\n"));
if( Status == STATUS_PENDING ) {
+ Connection->SignalState |= SEL_ACCEPT;
ExInterlockedInsertHeadList( &Connection->ListenRequest,
&Bucket->Entry, &Connection->Lock );
break;
} else {
@@ -152,6 +157,7 @@
IsListEmpty(&Connection->ReceiveRequest) ?
"empty" : "nonempty"));
+ Connection->SignalState &= ~SEL_READ;
while( (Entry = ExInterlockedRemoveHeadList( &Connection->ReceiveRequest,
&Connection->Lock )) != NULL
) {
OSK_UINT RecvLen = 0, Received = 0;
@@ -197,6 +203,7 @@
} else if( Status == STATUS_PENDING ) {
ExInterlockedInsertHeadList
( &Connection->ReceiveRequest, &Bucket->Entry,
&Connection->Lock );
+ Connection->SignalState |= SEL_READ;
break;
} else {
TI_DbgPrint(DEBUG_TCP,
@@ -212,6 +219,7 @@
IsListEmpty(&Connection->SendRequest) ?
"empty" : "nonempty"));
+ Connection->SignalState &= ~SEL_WRITE;
while( (Entry = ExInterlockedRemoveHeadList( &Connection->SendRequest,
&Connection->Lock )) != NULL
) {
OSK_UINT SendLen = 0, Sent = 0;
@@ -256,6 +264,7 @@
} else if( Status == STATUS_PENDING ) {
ExInterlockedInsertHeadList
( &Connection->SendRequest, &Bucket->Entry,
&Connection->Lock );
+ Connection->SignalState |= SEL_WRITE;
break;
} else {
TI_DbgPrint(DEBUG_TCP,
@@ -267,20 +276,35 @@
}
}
- Connection->SignalState = 0;
- Connection->Signalled = FALSE;
-}
-
-VOID DrainSignals() {
+ return Connection->SignalState;
+}
+
+static VOID DrainSignals() {
PCONNECTION_ENDPOINT Connection;
- PLIST_ENTRY ListEntry;
-
- while( (ListEntry = ExInterlockedRemoveHeadList(&SignalledConnectionsList,
- &SignalledConnectionsLock)) !=
NULL) {
- Connection = CONTAINING_RECORD( ListEntry, CONNECTION_ENDPOINT,
+ PLIST_ENTRY CurrentEntry, NextEntry;
+ ULONG NewState;
+ KIRQL OldIrql;
+
+ KeAcquireSpinLock(&SignalledConnectionsLock, &OldIrql);
+ CurrentEntry = SignalledConnectionsList.Flink;
+ while (CurrentEntry != &SignalledConnectionsList)
+ {
+ NextEntry = CurrentEntry->Flink;
+ Connection = CONTAINING_RECORD( CurrentEntry, CONNECTION_ENDPOINT,
SignalList );
- HandleSignalledConnection( Connection );
- }
+
+ KeReleaseSpinLock(&SignalledConnectionsLock, OldIrql);
+ NewState = HandleSignalledConnection(Connection);
+ KeAcquireSpinLock(&SignalledConnectionsLock, &OldIrql);
+
+ if (NewState == SEL_FIN || NewState == 0)
+ {
+ RemoveEntryList(CurrentEntry);
+ }
+
+ CurrentEntry = NextEntry;
+ }
+ KeReleaseSpinLock(&SignalledConnectionsLock, OldIrql);
}
PCONNECTION_ENDPOINT TCPAllocateConnectionEndpoint( PVOID ClientContext ) {
@@ -353,8 +377,6 @@
OskitTCPReceiveDatagram( IPPacket->Header,
IPPacket->TotalSize,
IPPacket->HeaderSize );
-
- DrainSignals();
TcpipRecursiveMutexLeave( &TCPLock );
}
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