VOID
Primary_Dereference (
IN PPRIMARY Primary
)
{
LONG result;
result = InterlockedDecrement (&Primary->ReferenceCount);
ASSERT (result >= 0);
if (result == 0)
{
int i;
LfsDereference (Primary->Lfs);
//ASSERT(Primary->LfsDeviceExtQueue.Flink == &Primary->LfsDeviceExtQueue);
for(i=0; i<MAX_SOCKETLPX_INTERFACE; i++)
ASSERT(Primary->PrimarySessionQueue[i].Flink == &Primary->PrimarySessionQueue[i]);
ExFreePoolWithTag(
Primary,
LFS_ALLOC_TAG
);
SPY_LOG_PRINT( LFS_DEBUG_PRIMARY_INFO,
("Primary_Dereference: Primary is Freed Primary = %p\n", Primary));
}
}
VOID
LfsTable_Dereference (
IN PLFS_TABLE LfsTable
)
{
LONG result;
result = InterlockedDecrement (&LfsTable->ReferenceCount);
ASSERT (result >= 0);
if (result == 0)
{
ASSERT(LfsTable->EntryCount == 0);
LfsDereference (LfsTable->Lfs);
ExFreePoolWithTag(
LfsTable,
LFS_ALLOC_TAG
);
SPY_LOG_PRINT( LFS_DEBUG_TABLE_INFO,
("LfsTable_Dereference: Lfs Table is Freed\n"));
}
}
PLFS_TABLE
LfsTable_Create(
IN PLFS Lfs
)
{
PLFS_TABLE lfsTable;
LfsReference (Lfs);
lfsTable = ExAllocatePoolWithTag(
NonPagedPool,
sizeof(LFS_TABLE),
LFS_ALLOC_TAG
);
if (lfsTable == NULL)
{
ASSERT(LFS_INSUFFICIENT_RESOURCES);
LfsDereference (Lfs);
return NULL;
}
RtlZeroMemory(
lfsTable,
sizeof(LFS_TABLE)
);
KeInitializeSpinLock(&lfsTable->SpinLock);
InitializeListHead(&lfsTable->LfsTabPartitionList) ;
lfsTable->ReferenceCount = 1;
lfsTable->Lfs = Lfs;
return lfsTable;
}
PPRIMARY
Primary_Create (
IN PLFS Lfs
)
{
PPRIMARY primary;
OBJECT_ATTRIBUTES objectAttributes;
LONG i;
NTSTATUS ntStatus;
LARGE_INTEGER timeOut;
SPY_LOG_PRINT( LFS_DEBUG_PRIMARY_INFO,
("Primary_Create: Entered\n"));
LfsReference (Lfs);
primary = ExAllocatePoolWithTag(
NonPagedPool,
sizeof(PRIMARY),
LFS_ALLOC_TAG
);
if (primary == NULL)
{
ASSERT(LFS_INSUFFICIENT_RESOURCES);
LfsDereference (Lfs);
return NULL;
}
RtlZeroMemory(
primary,
sizeof(PRIMARY)
);
KeInitializeSpinLock(&primary->SpinLock);
primary->ReferenceCount = 1;
primary->Lfs = Lfs;
// InitializeListHead(&primary->LfsDeviceExtQueue);
// KeInitializeSpinLock(&primary->LfsDeviceExtQSpinLock);
for(i=0; i<MAX_SOCKETLPX_INTERFACE; i++)
{
InitializeListHead(&primary->PrimarySessionQueue[i]);
KeInitializeSpinLock(&primary->PrimarySessionQSpinLock[i]);
}
primary->Agent.ThreadHandle = 0;
primary->Agent.ThreadObject = NULL;
primary->Agent.Flags = 0;
KeInitializeEvent(&primary->Agent.ReadyEvent, NotificationEvent, FALSE);
InitializeListHead(&primary->Agent.RequestQueue);
KeInitializeSpinLock(&primary->Agent.RequestQSpinLock);
KeInitializeEvent(&primary->Agent.RequestEvent, NotificationEvent, FALSE);
primary->Agent.ListenPort = DEFAULT_PRIMARY_PORT;
primary->Agent.ActiveListenSocketCount = 0;
InitializeObjectAttributes(&objectAttributes, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
ntStatus = PsCreateSystemThread(
&primary->Agent.ThreadHandle,
THREAD_ALL_ACCESS,
&objectAttributes,
NULL,
NULL,
PrimaryAgentThreadProc,
primary
);
if(!NT_SUCCESS(ntStatus))
{
ASSERT(LFS_UNEXPECTED);
Primary_Close(primary);
return NULL;
}
ntStatus = ObReferenceObjectByHandle(
primary->Agent.ThreadHandle,
FILE_READ_DATA,
NULL,
KernelMode,
&primary->Agent.ThreadObject,
NULL
);
if(!NT_SUCCESS(ntStatus))
{
ASSERT(LFS_INSUFFICIENT_RESOURCES);
Primary_Close(primary);
return NULL;
}
timeOut.QuadPart = - LFS_TIME_OUT; // 10 sec
ntStatus = KeWaitForSingleObject(
&primary->Agent.ReadyEvent,
Executive,
KernelMode,
FALSE,
&timeOut
);
ASSERT(ntStatus == STATUS_SUCCESS);
KeClearEvent(&primary->Agent.ReadyEvent);
if(ntStatus != STATUS_SUCCESS)
{
ASSERT(LFS_BUG);
Primary_Close(primary);
return NULL;
}
SPY_LOG_PRINT( LFS_DEBUG_PRIMARY_INFO,
("Primary_Create: primary = %p\n", primary));
return primary;
}