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Avoid throwing exception when receiving invalid SqlNotificationInfo value #1378

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Nov 17, 2021
Merged

Avoid throwing exception when receiving invalid SqlNotificationInfo value #1378

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48 changes: 18 additions & 30 deletions src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependencyListener.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1131,37 +1131,25 @@ internal static SqlNotification ProcessMessage(SqlXml xmlMessage)
messageAttributes |= MessageAttributes.Source;
break;
case InfoAttribute:
try
{
string value = xmlReader.Value;
// 3 of the server info values do not match client values - map.
switch (value)
{
case "set options":
info = SqlNotificationInfo.Options;
break;
case "previous invalid":
info = SqlNotificationInfo.PreviousFire;
break;
case "query template limit":
info = SqlNotificationInfo.TemplateLimit;
break;
default:
SqlNotificationInfo temp = (SqlNotificationInfo)Enum.Parse(typeof(SqlNotificationInfo), value, true);
if (Enum.IsDefined(typeof(SqlNotificationInfo), temp))
{
info = temp;
}
break;
}
}
catch (Exception e)
string value = xmlReader.Value;
// 3 of the server info values do not match client values - map.
switch (value)
{
if (!ADP.IsCatchableExceptionType(e))
{
throw;
}
ADP.TraceExceptionWithoutRethrow(e); // Discard failure, if it should occur.
case "set options":
info = SqlNotificationInfo.Options;
break;
case "previous invalid":
info = SqlNotificationInfo.PreviousFire;
break;
case "query template limit":
info = SqlNotificationInfo.TemplateLimit;
break;
default:
if (Enum.TryParse(value, true, out SqlNotificationInfo temp) && Enum.IsDefined(typeof(SqlNotificationInfo), temp))
{
info = temp;
}
break;
}
messageAttributes |= MessageAttributes.Info;
break;
Expand Down