internal SqlCeException ProcessResults(int hr, IntPtr pError, object src)
{
if (hr == 0)
{
return(null);
}
if (NativeMethods.Failed(hr))
{
Exception ex = SqlCeUtil.CreateException(pError, hr);
if (ex is SqlCeException)
{
return((SqlCeException)ex);
}
throw ex;
}
if (base.Events[ADP.EventInfoMessage] != null)
{
SqlCeInfoMessageEventHandler sqlCeInfoMessageEventHandler = (SqlCeInfoMessageEventHandler)base.Events[ADP.EventInfoMessage];
if (sqlCeInfoMessageEventHandler != null)
{
try {
sqlCeInfoMessageEventHandler(this, new SqlCeInfoMessageEventArgs(hr, pError, src));
} catch (Exception e) {
if (!ADP.IsCatchableExceptionType(e))
{
throw;
}
}
}
}
else
{
NativeMethods.ClearErrorInfo(pError);
}
return(null);
}
internal unsafe void Open(bool silent)
{
int num = 0;
int lcidLocale = -1;
int cbBufferPool = -1;
int dwAutoShrinkPercent = -1;
int cMaxPages = -1;
int cMaxTmpPages = -1;
int dwDefaultEscalation = -1;
int dwDefaultTimeout = -1;
int dwFlushInterval = -1;
object obj = null;
string text = null;
string source = null;
string text2 = null;
string value = null;
SEOPENFLAGS dwFlags = SEOPENFLAGS.MODE_READ | SEOPENFLAGS.MODE_WRITE;
bool flag = false;
int num2 = 0;
if (isDisposed)
{
throw new ObjectDisposedException("SqlCeConnection");
}
DateTime utcNow = DateTime.UtcNow;
if (ConnectionString == null || ConnectionString.Length == 0)
{
throw new InvalidOperationException(Res.GetString("ADP_NoConnectionString"));
}
if (dataSource == null || dataSource.Trim().Length == 0)
{
throw new ArgumentException(Res.GetString("ADP_EmptyDatabaseName"));
}
if (isOpened)
{
throw new InvalidOperationException(Res.GetString("ADP_ConnectionAlreadyOpen", ConnectionState.Open.ToString()));
}
MEOPENINFO mEOPENINFO = default(MEOPENINFO);
IntPtr intPtr = Marshal.AllocCoTaskMem(sizeof(MEOPENINFO));
if (IntPtr.Zero == intPtr)
{
throw new OutOfMemoryException();
}
try {
if (ADP.IsEmpty(modifiedConnStr))
{
throw new InvalidOperationException(Res.GetString("ADP_NoConnectionString"));
}
text = ConStringUtil.ReplaceDataDirectory(dataSource);
obj = connTokens["Locale Identifier"];
if (obj != null)
{
lcidLocale = (int)obj;
}
obj = connTokens["Max Buffer Size"];
if (obj != null)
{
cbBufferPool = (int)obj * 1024;
}
obj = connTokens["Autoshrink Threshold"];
if (obj != null)
{
dwAutoShrinkPercent = (int)obj;
}
obj = connTokens["Max Database Size"];
if (obj != null)
{
cMaxPages = (int)obj * 256;
}
obj = connTokens["Temp File Max Size"];
if (obj != null)
{
cMaxTmpPages = (int)obj * 256;
}
obj = connTokens["Flush Interval"];
if (obj != null)
{
dwFlushInterval = (int)obj;
}
obj = connTokens["Default Lock Escalation"];
if (obj != null)
{
dwDefaultEscalation = (int)obj;
}
obj = connTokens["Default Lock Timeout"];
if (obj != null)
{
dwDefaultTimeout = (int)obj;
}
obj = connTokens["Temp File Directory"];
if (obj != null)
{
text2 = (string)obj;
}
obj = connTokens["Encryption Mode"];
if (obj != null)
{
value = (string)obj;
}
obj = connTokens["Password"];
if (obj != null)
{
string text3 = (string)obj;
if (text3.Length > 0)
{
source = text3;
}
}
obj = connTokens["Case Sensitive"];
if (obj != null)
{
flag = (bool)obj;
}
string text4 = null;
obj = connTokens["Mode"];
if (obj != null)
{
text4 = (string)obj;
}
num2 = connTokens.FileAccessRetryTimeout * 1000;
if (text4 != null)
{
switch (text4)
{
case "Read Only":
dwFlags = SEOPENFLAGS.MODE_READ;
break;
case "Read Write":
dwFlags = (SEOPENFLAGS.MODE_READ | SEOPENFLAGS.MODE_WRITE);
break;
case "Exclusive":
dwFlags = (SEOPENFLAGS.MODE_READ | SEOPENFLAGS.MODE_WRITE | SEOPENFLAGS.MODE_SHARE_DENY_READ | SEOPENFLAGS.MODE_SHARE_DENY_WRITE);
break;
case "Shared Read":
dwFlags = (SEOPENFLAGS.MODE_READ | SEOPENFLAGS.MODE_WRITE | SEOPENFLAGS.MODE_SHARE_DENY_WRITE);
break;
}
}
FileIOPermissionAccess fileIOPermissionAccess = FileIOPermissionAccess.Read;
if (!string.IsNullOrEmpty(text4) && !text4.Equals("Read Only", StringComparison.OrdinalIgnoreCase))
{
fileIOPermissionAccess = (fileIOPermissionAccess | FileIOPermissionAccess.Write | FileIOPermissionAccess.Append);
}
SqlCeUtil.DemandForPermission(text, fileIOPermissionAccess);
if (!string.IsNullOrEmpty(text2))
{
SqlCeUtil.DemandForPermission(text2, FileIOPermissionAccess.AllAccess);
}
mEOPENINFO.pwszFileName = NativeMethods.MarshalStringToLPWSTR(text);
mEOPENINFO.pwszPassword = NativeMethods.MarshalStringToLPWSTR(source);
mEOPENINFO.pwszTempPath = NativeMethods.MarshalStringToLPWSTR(text2);
mEOPENINFO.lcidLocale = lcidLocale;
mEOPENINFO.cbBufferPool = cbBufferPool;
mEOPENINFO.dwAutoShrinkPercent = dwAutoShrinkPercent;
mEOPENINFO.dwFlushInterval = dwFlushInterval;
mEOPENINFO.cMaxPages = cMaxPages;
mEOPENINFO.cMaxTmpPages = cMaxTmpPages;
mEOPENINFO.dwDefaultTimeout = dwDefaultTimeout;
mEOPENINFO.dwDefaultEscalation = dwDefaultEscalation;
mEOPENINFO.dwFlags = dwFlags;
mEOPENINFO.dwEncryptionMode = ConStringUtil.MapEncryptionMode(value);
mEOPENINFO.dwLocaleFlags = 0;
if (flag)
{
mEOPENINFO.dwLocaleFlags &= 1;
}
flushFailureEventHandler = OnFlushFailure;
Marshal.StructureToPtr((object)mEOPENINFO, intPtr, false);
num = NativeMethods.OpenStore(intPtr, Marshal.GetFunctionPointerForDelegate((Delegate)flushFailureEventHandler), ref pStoreService, ref pStoreServer, ref pQpServices, ref pSeStore, ref pTx, ref pQpDatabase, ref pQpSession, ref pStoreEvents, ref pError);
SqlCeException ex = ProcessResults(num, pError, this);
if (ex != null)
{
if (ex.NativeError != 25035 || num2 == 0)
{
throw ex;
}
int num3 = 100;
int num4 = 1;
DateTime utcNow2 = DateTime.UtcNow;
TimeSpan timeSpan = utcNow2 - utcNow;
while (ex != null && ex.NativeError == 25035 && utcNow <= utcNow2 && timeSpan.TotalMilliseconds < num2 && num4 <= 10)
{
int num5 = num2 - (int)timeSpan.TotalMilliseconds;
if (num5 < num3)
{
num3 = num5;
}
Thread.Sleep(num3);
num3 *= 2;
num = NativeMethods.OpenStore(intPtr, Marshal.GetFunctionPointerForDelegate((Delegate)flushFailureEventHandler), ref pStoreService, ref pStoreServer, ref pQpServices, ref pSeStore, ref pTx, ref pQpDatabase, ref pQpSession, ref pStoreEvents, ref pError);
ex = ProcessResults(num, pError, this);
num4++;
utcNow2 = DateTime.UtcNow;
timeSpan = utcNow2 - utcNow;
}
if (ex != null)
{
throw ex;
}
}
removePwd = true;
state = ConnectionState.Open;
isOpened = true;
} finally {
Marshal.FreeCoTaskMem(mEOPENINFO.pwszFileName);
Marshal.FreeCoTaskMem(mEOPENINFO.pwszPassword);
Marshal.FreeCoTaskMem(mEOPENINFO.pwszTempPath);
Marshal.FreeCoTaskMem(intPtr);
if (ConnectionState.Open != state)
{
Close();
removePwd = false;
state = ConnectionState.Closed;
}
}
if (!silent)
{
OnStateChange(ConnectionState.Closed, ConnectionState.Open);
}
}
