public override bool SetupRequestToProperDatabase(RequestManager rm)
{
var tenantId = DatabaseName;
if (string.IsNullOrWhiteSpace(tenantId) || tenantId == "<system>")
{
landlord.LastRecentlyUsed.AddOrUpdate("System", SystemTime.UtcNow, (s, time) => SystemTime.UtcNow);
var args = new BeforeRequestWebApiEventArgs
{
Controller = this,
IgnoreRequest = false,
TenantId = "System",
Database = landlord.SystemDatabase
};
rm.OnBeforeRequest(args);
if (args.IgnoreRequest)
return false;
return true;
}
Task<DocumentDatabase> resourceStoreTask;
bool hasDb;
try
{
hasDb = landlord.TryGetOrCreateResourceStore(tenantId, out resourceStoreTask);
}
catch (Exception e)
{
var msg = "Could not open database named: " + tenantId;
Logger.WarnException(msg, e);
throw new HttpException(503, msg, e);
}
if (hasDb)
{
try
{
if (resourceStoreTask.Wait(TimeSpan.FromSeconds(30)) == false)
{
var msg = "The database " + tenantId +
" is currently being loaded, but after 30 seconds, this request has been aborted. Please try again later, database loading continues.";
Logger.Warn(msg);
throw new TimeoutException(msg);
}
var args = new BeforeRequestWebApiEventArgs()
{
Controller = this,
IgnoreRequest = false,
TenantId = tenantId,
Database = resourceStoreTask.Result
};
rm.OnBeforeRequest(args);
if (args.IgnoreRequest)
return false;
}
catch (Exception e)
{
string exceptionMessage = e.Message;
var aggregateException = e as AggregateException;
if (aggregateException != null)
{
exceptionMessage = aggregateException.ExtractSingleInnerException().Message;
}
var msg = "Could not open database named: " + tenantId + Environment.NewLine + exceptionMessage;
Logger.WarnException(msg, e);
throw new HttpException(503, msg, e);
}
landlord.LastRecentlyUsed.AddOrUpdate(tenantId, SystemTime.UtcNow, (s, time) => SystemTime.UtcNow);
}
else
{
var msg = "Could not find a database named: " + tenantId;
Logger.Warn(msg);
throw new HttpException(503, msg);
}
return true;
}
public override bool SetupRequestToProperDatabase(RequestManager rm)
{
var tenantId = CountersName;
if (string.IsNullOrWhiteSpace(tenantId))
{
throw new HttpException(503, "Could not find a counter with no name");
}
Task<CounterStorage> resourceStoreTask;
bool hasDb;
try
{
hasDb = landlord.TryGetOrCreateResourceStore(tenantId, out resourceStoreTask);
}
catch (Exception e)
{
var msg = "Could open counter named: " + tenantId;
Logger.WarnException(msg, e);
throw new HttpException(503, msg, e);
}
if (hasDb)
{
try
{
if (resourceStoreTask.Wait(TimeSpan.FromSeconds(30)) == false)
{
var msg = "The counter " + tenantId +
" is currently being loaded, but after 30 seconds, this request has been aborted. Please try again later, file system loading continues.";
Logger.Warn(msg);
throw new HttpException(503, msg);
}
var args = new BeforeRequestWebApiEventArgs
{
Controller = this,
IgnoreRequest = false,
TenantId = tenantId,
Counters = resourceStoreTask.Result
};
rm.OnBeforeRequest(args);
if (args.IgnoreRequest)
return false;
}
catch (Exception e)
{
var msg = "Could open counters named: " + tenantId;
Logger.WarnException(msg, e);
throw new HttpException(503, msg, e);
}
landlord.LastRecentlyUsed.AddOrUpdate(tenantId, SystemTime.UtcNow, (s, time) => SystemTime.UtcNow);
}
else
{
var msg = "Could not find a counter named: " + tenantId;
Logger.Warn(msg);
throw new HttpException(503, msg);
}
return true;
}
public override bool SetupRequestToProperDatabase(RequestManager rm)
{
var tenantId = this.DatabaseName;
var landlord = this.DatabasesLandlord;
if (string.IsNullOrWhiteSpace(tenantId) || tenantId == "<system>")
{
landlord.LastRecentlyUsed.AddOrUpdate("System", SystemTime.UtcNow, (s, time) => SystemTime.UtcNow);
var args = new BeforeRequestWebApiEventArgs
{
Controller = this,
IgnoreRequest = false,
TenantId = "System",
Database = landlord.SystemDatabase
};
rm.OnBeforeRequest(args);
if (args.IgnoreRequest)
return false;
return true;
}
Task<DocumentDatabase> resourceStoreTask;
bool hasDb;
try
{
hasDb = landlord.TryGetOrCreateResourceStore(tenantId, out resourceStoreTask);
}
catch (Exception e)
{
var msg = "Could not open database named: " + tenantId + " " + e.Message;
Logger.WarnException(msg, e);
throw new HttpException(503, msg, e);
}
if (hasDb)
{
try
{
int TimeToWaitForDatabaseToLoad = MaxSecondsForTaskToWaitForDatabaseToLoad;
if (resourceStoreTask.IsCompleted == false && resourceStoreTask.IsFaulted == false)
{
if (MaxNumberOfThreadsForDatabaseToLoad.Wait(0) == false)
{
var msg = string.Format("The database {0} is currently being loaded, but there are too many requests waiting for database load. Please try again later, database loading continues.", tenantId);
Logger.Warn(msg);
throw new TimeoutException(msg);
}
try
{
if (resourceStoreTask.Wait(TimeSpan.FromSeconds(TimeToWaitForDatabaseToLoad)) == false)
{
var msg = string.Format("The database {0} is currently being loaded, but after {1} seconds, this request has been aborted. Please try again later, database loading continues.", tenantId, TimeToWaitForDatabaseToLoad);
Logger.Warn(msg);
throw new TimeoutException(msg);
}
}
finally
{
MaxNumberOfThreadsForDatabaseToLoad.Release();
}
}
var args = new BeforeRequestWebApiEventArgs()
{
Controller = this,
IgnoreRequest = false,
TenantId = tenantId,
Database = resourceStoreTask.Result
};
rm.OnBeforeRequest(args);
if (args.IgnoreRequest)
return false;
}
catch (Exception e)
{
var msg = "Could not open database named: " + tenantId + Environment.NewLine + e;
Logger.WarnException(msg, e);
throw new HttpException(503, msg,e);
}
landlord.LastRecentlyUsed.AddOrUpdate(tenantId, SystemTime.UtcNow, (s, time) => SystemTime.UtcNow);
}
else
{
var msg = "Could not find a database named: " + tenantId;
Logger.Warn(msg);
throw new HttpException(503, msg);
}
return true;
}
