private void CheckSQLDebugOnConnect()
{
string str;
uint currentProcessId = (uint) SafeNativeMethods.GetCurrentProcessId();
if (ADP.IsPlatformNT5)
{
str = @"Global\SqlClientSSDebug";
}
else
{
str = "SqlClientSSDebug";
}
str = str + currentProcessId.ToString(CultureInfo.InvariantCulture);
IntPtr hFileMappingObject = System.Data.Common.NativeMethods.OpenFileMappingA(4, false, str);
if (ADP.PtrZero != hFileMappingObject)
{
IntPtr ptr2 = System.Data.Common.NativeMethods.MapViewOfFile(hFileMappingObject, 4, 0, 0, IntPtr.Zero);
if (ADP.PtrZero != ptr2)
{
SqlDebugContext sdc = new SqlDebugContext {
hMemMap = hFileMappingObject,
pMemMap = ptr2,
pid = currentProcessId
};
this.CheckSQLDebug(sdc);
this._sdc = sdc;
}
}
}
private static void RefreshMemoryMappedData(SqlDebugContext sdc)
{
MEMMAP memmap = (MEMMAP) Marshal.PtrToStructure(sdc.pMemMap, typeof(MEMMAP));
sdc.dbgpid = memmap.dbgpid;
sdc.fOption = memmap.fOption == 1;
Encoding encoding = Encoding.GetEncoding(0x4e4);
sdc.machineName = encoding.GetString(memmap.rgbMachineName, 0, memmap.rgbMachineName.Length);
sdc.sdiDllName = encoding.GetString(memmap.rgbDllName, 0, memmap.rgbDllName.Length);
sdc.data = memmap.rgbData;
}
public override void Close()
{
IntPtr ptr;
Bid.ScopeEnter(out ptr, "<sc.SqlConnection.Close|API> %d#", this.ObjectID);
try
{
SqlStatistics statistics = null;
SNIHandle target = null;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
target = SqlInternalConnection.GetBestEffortCleanupTarget(this);
statistics = SqlStatistics.StartTimer(this.Statistics);
lock (this.InnerConnection)
{
this.InnerConnection.CloseConnection(this, this.ConnectionFactory);
}
if (this.Statistics != null)
{
ADP.TimerCurrent(out this._statistics._closeTimestamp);
}
}
catch (OutOfMemoryException exception3)
{
this.Abort(exception3);
throw;
}
catch (StackOverflowException exception2)
{
this.Abort(exception2);
throw;
}
catch (ThreadAbortException exception)
{
this.Abort(exception);
SqlInternalConnection.BestEffortCleanup(target);
throw;
}
finally
{
SqlStatistics.StopTimer(statistics);
}
}
finally
{
SqlDebugContext context = this._sdc;
this._sdc = null;
Bid.ScopeLeave(ref ptr);
if (context != null)
{
context.Dispose();
}
}
}
private void CheckSQLDebug(SqlDebugContext sdc)
{
uint currentThreadId = (uint) AppDomain.GetCurrentThreadId();
RefreshMemoryMappedData(sdc);
if (!sdc.active && sdc.fOption)
{
sdc.active = true;
sdc.tid = currentThreadId;
try
{
this.IssueSQLDebug(1, sdc.machineName, sdc.pid, sdc.dbgpid, sdc.sdiDllName, sdc.data);
sdc.tid = 0;
}
catch
{
sdc.active = false;
throw;
}
}
if (sdc.active)
{
if (!sdc.fOption)
{
sdc.Dispose();
this.IssueSQLDebug(0, null, 0, 0, null, null);
}
else if (sdc.tid != currentThreadId)
{
sdc.tid = currentThreadId;
try
{
this.IssueSQLDebug(2, null, sdc.pid, sdc.tid, null, null);
}
catch
{
sdc.tid = 0;
throw;
}
}
}
}
