internal IdentityUserNamePair(DbConnectionPoolIdentity identity, string userName)
{
Debug.Assert((identity == null && userName != null) ||
(identity != null && userName == null), "Unexpected arguments!");
_identity = identity;
_userName = userName;
}
protected override DbConnectionInternal CreateConnection(DbConnectionOptions options, object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
{
string instanceName;
SqlConnectionString str = (SqlConnectionString)options;
if (str.ContextConnection)
{
return(this.GetContextConnection(str, poolGroupProviderInfo, owningConnection));
}
bool redirectedUserInstance = false;
DbConnectionPoolIdentity current = null;
if (str.IntegratedSecurity)
{
if (pool != null)
{
current = pool.Identity;
}
else
{
current = DbConnectionPoolIdentity.GetCurrent();
}
}
if (!str.UserInstance)
{
goto Label_00F1;
}
redirectedUserInstance = true;
if ((pool == null) || ((pool != null) && (pool.Count <= 0)))
{
using (SqlInternalConnectionTds tds = null)
{
SqlConnectionString connectionOptions = new SqlConnectionString(str, str.DataSource, true, false);
tds = new SqlInternalConnectionTds(current, connectionOptions, null, "", null, false);
instanceName = tds.InstanceName;
if (!instanceName.StartsWith(@"\\.\", StringComparison.Ordinal))
{
throw SQL.NonLocalSSEInstance();
}
if (pool != null)
{
SqlConnectionPoolProviderInfo info2 = (SqlConnectionPoolProviderInfo)pool.ProviderInfo;
info2.InstanceName = instanceName;
}
goto Label_00DB;
}
}
SqlConnectionPoolProviderInfo providerInfo = (SqlConnectionPoolProviderInfo)pool.ProviderInfo;
instanceName = providerInfo.InstanceName;
Label_00DB:
str = new SqlConnectionString(str, instanceName, false, null);
poolGroupProviderInfo = null;
Label_00F1:
return(new SqlInternalConnectionTds(current, str, poolGroupProviderInfo, "", (SqlConnection)owningConnection, redirectedUserInstance));
}
override public bool Equals(object value)
{
bool result = ((this == NoIdentity) || (this == value));
if (!result && (null != value))
{
DbConnectionPoolIdentity that = ((DbConnectionPoolIdentity)value);
result = ((_sidString == that._sidString) && (_isRestricted == that._isRestricted) && (_isNetwork == that._isNetwork));
}
return(result);
}
internal SqlInternalConnectionTds(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, object providerInfo, string newPassword, SqlConnection owningObject, bool redirectedUserInstance) : base(connectionOptions)
{
this._instanceName = string.Empty;
if (connectionOptions.UserInstance && InOutOfProcHelper.InProc)
{
throw SQL.UserInstanceNotAvailableInProc();
}
this._identity = identity;
this._poolGroupProviderInfo = (SqlConnectionPoolGroupProviderInfo)providerInfo;
this._fResetConnection = connectionOptions.ConnectionReset;
if (this._fResetConnection)
{
this._originalDatabase = connectionOptions.InitialCatalog;
this._originalLanguage = connectionOptions.CurrentLanguage;
}
RuntimeHelpers.PrepareConstrainedRegions();
try
{
TimeoutTimer timeout = TimeoutTimer.StartSecondsTimeout(connectionOptions.ConnectTimeout);
this.OpenLoginEnlist(owningObject, timeout, connectionOptions, newPassword, redirectedUserInstance);
}
catch (OutOfMemoryException)
{
base.DoomThisConnection();
throw;
}
catch (StackOverflowException)
{
base.DoomThisConnection();
throw;
}
catch (ThreadAbortException)
{
base.DoomThisConnection();
throw;
}
if (Bid.AdvancedOn)
{
Bid.Trace("<sc.SqlInternalConnectionTds.ctor|ADV> %d#, constructed new TDS internal connection\n", base.ObjectID);
}
}
protected override DbConnectionInternal CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
{
SqlConnectionString opt = (SqlConnectionString)options;
SqlConnectionPoolKey key = (SqlConnectionPoolKey)poolKey;
SqlInternalConnection result = null;
SessionData recoverySessionData = null;
SqlConnection sqlOwningConnection = (SqlConnection)owningConnection;
bool applyTransientFaultHandling = sqlOwningConnection != null ? sqlOwningConnection._applyTransientFaultHandling : false;
SqlConnectionString userOpt = null;
if (userOptions != null)
{
userOpt = (SqlConnectionString)userOptions;
}
else if (sqlOwningConnection != null)
{
userOpt = (SqlConnectionString)(sqlOwningConnection.UserConnectionOptions);
}
if (sqlOwningConnection != null)
{
recoverySessionData = sqlOwningConnection._recoverySessionData;
}
bool redirectedUserInstance = false;
DbConnectionPoolIdentity identity = null;
// Pass DbConnectionPoolIdentity to SqlInternalConnectionTds if using integrated security.
// Used by notifications.
if (opt.IntegratedSecurity)
{
if (pool != null)
{
identity = pool.Identity;
}
else
{
identity = DbConnectionPoolIdentity.GetCurrent();
}
}
// FOLLOWING IF BLOCK IS ENTIRELY FOR SSE USER INSTANCES
// If "user instance=true" is in the connection string, we're using SSE user instances
if (opt.UserInstance)
{
// opt.DataSource is used to create the SSE connection
redirectedUserInstance = true;
string instanceName;
if ((null == pool) ||
(null != pool && pool.Count <= 0))
{ // Non-pooled or pooled and no connections in the pool.
SqlInternalConnectionTds sseConnection = null;
try
{
// We throw an exception in case of a failure
// NOTE: Cloning connection option opt to set 'UserInstance=True' and 'Enlist=False'
// This first connection is established to SqlExpress to get the instance name
// of the UserInstance.
SqlConnectionString sseopt = new SqlConnectionString(opt, opt.DataSource, userInstance: true, setEnlistValue: false);
sseConnection = new SqlInternalConnectionTds(identity, sseopt, key.Credential, null, "", null, false, applyTransientFaultHandling: applyTransientFaultHandling);
// NOTE: Retrieve <UserInstanceName> here. This user instance name will be used below to connect to the Sql Express User Instance.
instanceName = sseConnection.InstanceName;
if (!instanceName.StartsWith("\\\\.\\", StringComparison.Ordinal))
{
throw SQL.NonLocalSSEInstance();
}
if (null != pool)
{ // Pooled connection - cache result
SqlConnectionPoolProviderInfo providerInfo = (SqlConnectionPoolProviderInfo)pool.ProviderInfo;
// No lock since we are already in creation mutex
providerInfo.InstanceName = instanceName;
}
}
finally
{
if (null != sseConnection)
{
sseConnection.Dispose();
}
}
}
else
{ // Cached info from pool.
SqlConnectionPoolProviderInfo providerInfo = (SqlConnectionPoolProviderInfo)pool.ProviderInfo;
// No lock since we are already in creation mutex
instanceName = providerInfo.InstanceName;
}
// NOTE: Here connection option opt is cloned to set 'instanceName=<UserInstanceName>' that was
// retrieved from the previous SSE connection. For this UserInstance connection 'Enlist=True'.
// options immutable - stored in global hash - don't modify
opt = new SqlConnectionString(opt, instanceName, userInstance: false, setEnlistValue: null);
poolGroupProviderInfo = null; // null so we do not pass to constructor below...
}
result = new SqlInternalConnectionTds(identity, opt, key.Credential, poolGroupProviderInfo, "", null, redirectedUserInstance, userOpt, recoverySessionData, applyTransientFaultHandling: applyTransientFaultHandling, key.AccessToken);
return(result);
}
override protected DbConnectionInternal CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
{
SqlConnectionString opt = (SqlConnectionString)options;
SqlConnectionPoolKey key = (SqlConnectionPoolKey)poolKey;
SqlInternalConnection result = null;
SessionData recoverySessionData = null;
SqlConnectionString userOpt = null;
if (userOptions != null)
{
userOpt = (SqlConnectionString)userOptions;
}
else if (owningConnection != null)
{
userOpt = (SqlConnectionString)(((SqlConnection)owningConnection).UserConnectionOptions);
}
if (owningConnection != null)
{
recoverySessionData = ((SqlConnection)owningConnection)._recoverySessionData;
}
if (opt.ContextConnection)
{
result = GetContextConnection(opt, poolGroupProviderInfo);
}
else
{
bool redirectedUserInstance = false;
DbConnectionPoolIdentity identity = null;
// Pass DbConnectionPoolIdentity to SqlInternalConnectionTds if using integrated security.
// Used by notifications.
if (opt.IntegratedSecurity)
{
if (pool != null)
{
identity = pool.Identity;
}
else
{
identity = DbConnectionPoolIdentity.GetCurrent();
}
}
// FOLLOWING IF BLOCK IS ENTIRELY FOR SSE USER INSTANCES
// If "user instance=true" is in the connection string, we're using SSE user instances
if (opt.UserInstance)
{
// opt.DataSource is used to create the SSE connection
redirectedUserInstance = true;
string instanceName;
if ((null == pool) ||
(null != pool && pool.Count <= 0)) // Non-pooled or pooled and no connections in the pool.
{
SqlInternalConnectionTds sseConnection = null;
try {
// What about a failure - throw? YES!
//
SqlConnectionString sseopt = new SqlConnectionString(opt, opt.DataSource, true /* user instance=true */, false /* set Enlist = false */);
sseConnection = new SqlInternalConnectionTds(identity, sseopt, key.Credential, null, "", null, false);
// NOTE: Retrieve <UserInstanceName> here. This user instance name will be used below to connect to the Sql Express User Instance.
instanceName = sseConnection.InstanceName;
if (!instanceName.StartsWith("\\\\.\\", StringComparison.Ordinal))
{
throw SQL.NonLocalSSEInstance();
}
if (null != pool) // Pooled connection - cache result
{
SqlConnectionPoolProviderInfo providerInfo = (SqlConnectionPoolProviderInfo)pool.ProviderInfo;
// No lock since we are already in creation mutex
providerInfo.InstanceName = instanceName;
}
}
finally {
if (null != sseConnection)
{
sseConnection.Dispose();
}
}
}
else // Cached info from pool.
{
SqlConnectionPoolProviderInfo providerInfo = (SqlConnectionPoolProviderInfo)pool.ProviderInfo;
// No lock since we are already in creation mutex
instanceName = providerInfo.InstanceName;
}
// NOTE: Here connection option opt is cloned to set 'instanceName=<UserInstanceName>' that was
// retrieved from the previous SSE connection. For this UserInstance connection 'Enlist=True'.
// options immutable - stored in global hash - don't modify
opt = new SqlConnectionString(opt, instanceName, false /* user instance=false */, null /* do not modify the Enlist value */);
poolGroupProviderInfo = null; // null so we do not pass to constructor below...
}
result = new SqlInternalConnectionTds(identity, opt, key.Credential, poolGroupProviderInfo, "", null, redirectedUserInstance, userOpt, recoverySessionData);
}
return(result);
}
override protected DbConnectionInternal CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
{
SqlConnectionString opt = (SqlConnectionString)options;
SqlConnectionPoolKey key = (SqlConnectionPoolKey)poolKey;
SqlInternalConnection result = null;
SessionData recoverySessionData = null;
SqlConnection sqlOwningConnection = owningConnection as SqlConnection;
bool applyTransientFaultHandling = sqlOwningConnection != null ? sqlOwningConnection._applyTransientFaultHandling : false;
SqlConnectionString userOpt = null;
if (userOptions != null)
{
userOpt = (SqlConnectionString)userOptions;
}
else if (sqlOwningConnection != null)
{
userOpt = (SqlConnectionString)(sqlOwningConnection.UserConnectionOptions);
}
if (sqlOwningConnection != null)
{
recoverySessionData = sqlOwningConnection._recoverySessionData;
}
if (opt.ContextConnection)
{
result = GetContextConnection(opt, poolGroupProviderInfo);
}
else
{
bool redirectedUserInstance = false;
DbConnectionPoolIdentity identity = null;
// Pass DbConnectionPoolIdentity to SqlInternalConnectionTds if using integrated security.
// Used by notifications.
if (opt.IntegratedSecurity || opt.UsesCertificate || opt.Authentication == SqlAuthenticationMethod.ActiveDirectoryIntegrated)
{
if (pool != null)
{
identity = pool.Identity;
}
else
{
identity = DbConnectionPoolIdentity.GetCurrent();
}
}
// FOLLOWING IF BLOCK IS ENTIRELY FOR SSE USER INSTANCES
// If "user instance=true" is in the connection string, we're using SSE user instances
if (opt.UserInstance)
{
// opt.DataSource is used to create the SSE connection
redirectedUserInstance = true;
string instanceName;
if ((null == pool) ||
(null != pool && pool.Count <= 0)) // Non-pooled or pooled and no connections in the pool.
{
SqlInternalConnectionTds sseConnection = null;
try {
// What about a failure - throw? YES!
// BUG (VSTFDevDiv) 479687: Using TransactionScope with Linq2SQL against user instances fails with "connection has been broken" message
// NOTE: Cloning connection option opt to set 'UserInstance=True' and 'Enlist=False'
// This first connection is established to SqlExpress to get the instance name
// of the UserInstance.
SqlConnectionString sseopt = new SqlConnectionString(opt, opt.DataSource, true /* user instance=true */, false /* set Enlist = false */);
sseConnection = new SqlInternalConnectionTds(identity, sseopt, key.Credential, null, "", null, false, applyTransientFaultHandling: applyTransientFaultHandling);
// NOTE: Retrieve <UserInstanceName> here. This user instance name will be used below to connect to the Sql Express User Instance.
instanceName = sseConnection.InstanceName;
if (!instanceName.StartsWith("\\\\.\\", StringComparison.Ordinal))
{
throw SQL.NonLocalSSEInstance();
}
if (null != pool) // Pooled connection - cache result
{
SqlConnectionPoolProviderInfo providerInfo = (SqlConnectionPoolProviderInfo)pool.ProviderInfo;
// No lock since we are already in creation mutex
providerInfo.InstanceName = instanceName;
}
}
finally {
if (null != sseConnection)
{
sseConnection.Dispose();
}
}
}
else // Cached info from pool.
{
SqlConnectionPoolProviderInfo providerInfo = (SqlConnectionPoolProviderInfo)pool.ProviderInfo;
// No lock since we are already in creation mutex
instanceName = providerInfo.InstanceName;
}
// NOTE: Here connection option opt is cloned to set 'instanceName=<UserInstanceName>' that was
// retrieved from the previous SSE connection. For this UserInstance connection 'Enlist=True'.
// options immutable - stored in global hash - don't modify
opt = new SqlConnectionString(opt, instanceName, false /* user instance=false */, null /* do not modify the Enlist value */);
poolGroupProviderInfo = null; // null so we do not pass to constructor below...
}
result = new SqlInternalConnectionTds(identity, opt, key.Credential, poolGroupProviderInfo, "", null, redirectedUserInstance, userOpt, recoverySessionData, key.ServerCertificateValidationCallback, key.ClientCertificateRetrievalCallback, pool, key.AccessToken, key.OriginalNetworkAddressInfo, applyTransientFaultHandling: applyTransientFaultHandling);
}
return(result);
}
internal static bool Stop(string connectionString, string queue, bool useDefaults, bool startFailed)
{
if (string.IsNullOrEmpty(connectionString))
{
if (null == connectionString)
{
throw ADP.ArgumentNull(nameof(connectionString));
}
else
{
throw ADP.Argument(nameof(connectionString));
}
}
if (!useDefaults && string.IsNullOrEmpty(queue))
{ // If specified but null or empty, use defaults.
useDefaults = true;
queue = null; // Force to null - for proper hashtable comparison for default case.
}
// End duplicate Start/Stop logic.
bool result = false;
lock (s_startStopLock)
{
if (null != s_processDispatcher)
{ // If _processDispatcher null, no Start has been called.
try
{
string server = null;
DbConnectionPoolIdentity identity = null;
string user = null;
string database = null;
string service = null;
if (useDefaults)
{
bool appDomainStop = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{ // CER to ensure that if Stop succeeds we remove from hash completing teardown.
// Start using process wide default service/queue & database from connection string.
result = s_processDispatcher.Stop(
connectionString,
out server,
out identity,
out user,
out database,
ref service,
s_appDomainKey,
out appDomainStop);
}
finally
{
if (appDomainStop && !startFailed)
{ // If success, remove from hashtable.
Debug.Assert(!string.IsNullOrEmpty(server) && !string.IsNullOrEmpty(database), "Server or Database null/Empty upon successfull Stop()!");
IdentityUserNamePair identityUser = new IdentityUserNamePair(identity, user);
DatabaseServicePair databaseService = new DatabaseServicePair(database, service);
RemoveFromServerUserHash(server, identityUser, databaseService);
}
}
}
else
{
result = s_processDispatcher.Stop(
connectionString,
out server,
out identity,
out user,
out database,
ref queue,
s_appDomainKey,
out bool ignored);
// No need to call RemoveFromServerDatabaseHash since if not using default queue user is required
// to provide options themselves.
}
}
catch (Exception e)
{
if (!ADP.IsCatchableExceptionType(e))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(e); // Discard failure, but trace for now.
}
}
}
return(result);
}
internal static bool Start(string connectionString, string queue, bool useDefaults)
{
if (string.IsNullOrEmpty(connectionString))
{
if (null == connectionString)
{
throw ADP.ArgumentNull(nameof(connectionString));
}
else
{
throw ADP.Argument(nameof(connectionString));
}
}
if (!useDefaults && string.IsNullOrEmpty(queue))
{ // If specified but null or empty, use defaults.
useDefaults = true;
queue = null; // Force to null - for proper hashtable comparison for default case.
}
// End duplicate Start/Stop logic.
bool errorOccurred = false;
bool result = false;
lock (s_startStopLock)
{
try
{
if (null == s_processDispatcher)
{ // Ensure _processDispatcher reference is present - inside lock.
s_processDispatcher = SqlDependencyProcessDispatcher.SingletonProcessDispatcher;
}
if (useDefaults)
{ // Default listener.
string server = null;
DbConnectionPoolIdentity identity = null;
string user = null;
string database = null;
string service = null;
bool appDomainStart = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{ // CER to ensure that if Start succeeds we add to hash completing setup.
// Start using process wide default service/queue & database from connection string.
result = s_processDispatcher.StartWithDefault(
connectionString,
out server,
out identity,
out user,
out database,
ref service,
s_appDomainKey,
SqlDependencyPerAppDomainDispatcher.SingletonInstance,
out errorOccurred,
out appDomainStart);
}
finally
{
if (appDomainStart && !errorOccurred)
{ // If success, add to hashtable.
IdentityUserNamePair identityUser = new IdentityUserNamePair(identity, user);
DatabaseServicePair databaseService = new DatabaseServicePair(database, service);
if (!AddToServerUserHash(server, identityUser, databaseService))
{
try
{
Stop(connectionString, queue, useDefaults, true);
}
catch (Exception e)
{ // Discard stop failure!
if (!ADP.IsCatchableExceptionType(e))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(e); // Discard failure, but trace for now.
}
throw SQL.SqlDependencyDuplicateStart();
}
}
}
}
else
{ // Start with specified service/queue & database.
result = s_processDispatcher.Start(
connectionString,
queue,
s_appDomainKey,
SqlDependencyPerAppDomainDispatcher.SingletonInstance);
// No need to call AddToServerDatabaseHash since if not using default queue user is required
// to provide options themselves.
}
}
catch (Exception e)
{
if (!ADP.IsCatchableExceptionType(e))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(e); // Discard failure, but trace for now.
throw;
}
}
return(result);
}
internal static bool Stop(string connectionString, string queue, bool useDefaults, bool startFailed)
{
bool flag2;
IntPtr ptr;
Bid.NotificationsScopeEnter(out ptr, "<sc.SqlDependency.Stop|DEP> AppDomainKey: '%ls', queue: '%ls'", AppDomainKey, queue);
try
{
if (InOutOfProcHelper.InProc)
{
throw SQL.SqlDepCannotBeCreatedInProc();
}
if (ADP.IsEmpty(connectionString))
{
if (connectionString == null)
{
throw ADP.ArgumentNull("connectionString");
}
throw ADP.Argument("connectionString");
}
if (!useDefaults && ADP.IsEmpty(queue))
{
useDefaults = true;
queue = null;
}
new SqlConnectionString(connectionString).DemandPermission();
bool flag = false;
lock (_startStopLock)
{
if (_processDispatcher != null)
{
try
{
string server = null;
DbConnectionPoolIdentity identity = null;
string user = null;
string database = null;
string queueService = null;
if (useDefaults)
{
bool flag3 = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
flag = _processDispatcher.Stop(connectionString, out server, out identity, out user, out database, ref queueService, _appDomainKey, out flag3);
goto Label_0121;
}
finally
{
if (flag3 && !startFailed)
{
IdentityUserNamePair identityUser = new IdentityUserNamePair(identity, user);
DatabaseServicePair databaseService = new DatabaseServicePair(database, queueService);
RemoveFromServerUserHash(server, identityUser, databaseService);
}
}
}
bool appDomainStop = false;
flag = _processDispatcher.Stop(connectionString, out server, out identity, out user, out database, ref queue, _appDomainKey, out appDomainStop);
}
catch (Exception exception)
{
if (!ADP.IsCatchableExceptionType(exception))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(exception);
}
}
Label_0121 :;
}
flag2 = flag;
}
finally
{
Bid.ScopeLeave(ref ptr);
}
return(flag2);
}
internal static bool Start(string connectionString, string queue, bool useDefaults)
{
bool flag2;
IntPtr ptr;
Bid.NotificationsScopeEnter(out ptr, "<sc.SqlDependency.Start|DEP> AppDomainKey: '%ls', queue: '%ls'", AppDomainKey, queue);
try
{
if (InOutOfProcHelper.InProc)
{
throw SQL.SqlDepCannotBeCreatedInProc();
}
if (ADP.IsEmpty(connectionString))
{
if (connectionString == null)
{
throw ADP.ArgumentNull("connectionString");
}
throw ADP.Argument("connectionString");
}
if (!useDefaults && ADP.IsEmpty(queue))
{
useDefaults = true;
queue = null;
}
new SqlConnectionString(connectionString).DemandPermission();
bool errorOccurred = false;
bool flag = false;
lock (_startStopLock)
{
try
{
if (_processDispatcher == null)
{
ObtainProcessDispatcher();
}
if (useDefaults)
{
string server = null;
DbConnectionPoolIdentity identity = null;
string user = null;
string database = null;
string service = null;
bool appDomainStart = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
flag = _processDispatcher.StartWithDefault(connectionString, out server, out identity, out user, out database, ref service, _appDomainKey, SqlDependencyPerAppDomainDispatcher.SingletonInstance, out errorOccurred, out appDomainStart);
Bid.NotificationsTrace("<sc.SqlDependency.Start|DEP> Start (defaults) returned: '%d', with service: '%ls', server: '%ls', database: '%ls'\n", flag, service, server, database);
goto Label_0183;
}
finally
{
if (appDomainStart && !errorOccurred)
{
IdentityUserNamePair identityUser = new IdentityUserNamePair(identity, user);
DatabaseServicePair databaseService = new DatabaseServicePair(database, service);
if (!AddToServerUserHash(server, identityUser, databaseService))
{
try
{
Stop(connectionString, queue, useDefaults, true);
}
catch (Exception exception2)
{
if (!ADP.IsCatchableExceptionType(exception2))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(exception2);
Bid.NotificationsTrace("<sc.SqlDependency.Start|DEP|ERR> Exception occurred from Stop() after duplicate was found on Start().\n");
}
throw SQL.SqlDependencyDuplicateStart();
}
}
}
}
flag = _processDispatcher.Start(connectionString, queue, _appDomainKey, SqlDependencyPerAppDomainDispatcher.SingletonInstance);
Bid.NotificationsTrace("<sc.SqlDependency.Start|DEP> Start (user provided queue) returned: '%d'\n", flag);
}
catch (Exception exception)
{
if (!ADP.IsCatchableExceptionType(exception))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(exception);
Bid.NotificationsTrace("<sc.SqlDependency.Start|DEP|ERR> Exception occurred from _processDispatcher.Start(...), calling Invalidate(...).\n");
throw;
}
Label_0183 :;
}
flag2 = flag;
}
finally
{
Bid.ScopeLeave(ref ptr);
}
return(flag2);
}
internal IdentityUserNamePair(DbConnectionPoolIdentity identity, string userName)
{
this._identity = identity;
this._userName = userName;
}