private async Task RequestHandler(HttpContext context)
{
var requestHandlerContext = new RequestHandlerContext
{
HttpContext = context
};
Exception exception = null;
Stopwatch sp = null;
try
{
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.Headers["Content-Type"] = "application/json; charset=utf-8";
context.Response.Headers[Constants.Headers.ServerVersion] = RavenVersionAttribute.Instance.AssemblyVersion;
if (_server.ServerStore.Initialized == false)
{
await _server.ServerStore.InitializationCompleted.WaitAsync();
}
sp = Stopwatch.StartNew();
await _router.HandlePath(requestHandlerContext);
sp.Stop();
}
catch (Exception e)
{
sp?.Stop();
exception = e;
CheckVersionAndWrapException(context, ref e);
MaybeSetExceptionStatusCode(context, _server.ServerStore, e);
if (context.RequestAborted.IsCancellationRequested)
{
return;
}
using (_server.ServerStore.ContextPool.AllocateOperationContext(out JsonOperationContext ctx))
{
var djv = new DynamicJsonValue
{
[nameof(ExceptionDispatcher.ExceptionSchema.Url)] = $"{context.Request.Path}{context.Request.QueryString}",
[nameof(ExceptionDispatcher.ExceptionSchema.Type)] = e.GetType().FullName,
[nameof(ExceptionDispatcher.ExceptionSchema.Message)] = e.Message,
[nameof(ExceptionDispatcher.ExceptionSchema.Error)] = e.ToString()
};
#if EXCEPTION_ERROR_HUNT
var f = Guid.NewGuid() + ".error";
File.WriteAllText(f,
$"{context.Request.Path}{context.Request.QueryString}" + Environment.NewLine + errorString);
#endif
MaybeAddAdditionalExceptionData(djv, e);
await using (var writer = new AsyncBlittableJsonTextWriter(ctx, context.Response.Body))
{
var json = ctx.ReadObject(djv, "exception");
writer.WriteObject(json);
}
#if EXCEPTION_ERROR_HUNT
File.Delete(f);
#endif
}
}
finally
{
// check if TW has clients
if (TrafficWatchManager.HasRegisteredClients)
{
var database = requestHandlerContext.Database?.Name;
LogTrafficWatch(context, sp?.ElapsedMilliseconds ?? 0, database);
}
if (sp != null && requestHandlerContext.HttpContext.Response.StatusCode != (int)HttpStatusCode.SwitchingProtocols) // exclude web sockets
{
var requestDuration = sp.ElapsedMilliseconds;
requestHandlerContext.RavenServer?.Metrics.Requests.UpdateDuration(requestDuration);
requestHandlerContext.Database?.Metrics.Requests.UpdateDuration(requestDuration);
}
if (_logger.IsInfoEnabled && SkipHttpLogging == false)
{
_logger.Info($"{context.Request.Method} {context.Request.Path.Value}{context.Request.QueryString.Value} - {context.Response.StatusCode} - {(sp?.ElapsedMilliseconds ?? 0):#,#;;0} ms", exception);
}
}
}
private async Task RequestHandler(HttpContext context)
{
string database = null;
try
{
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.Headers["Content-Type"] = "application/json; charset=utf-8";
var sp = Stopwatch.StartNew();
database = await _router.HandlePath(context, context.Request.Method, context.Request.Path.Value);
sp.Stop();
if (_logger.IsInfoEnabled && SkipHttpLogging == false)
{
_logger.Info($"{context.Request.Method} {context.Request.Path.Value}?{context.Request.QueryString.Value} - {context.Response.StatusCode} - {sp.ElapsedMilliseconds:#,#;;0} ms");
}
if (TrafficWatchManager.HasRegisteredClients)
{
LogTrafficWatch(context, sp.ElapsedMilliseconds, database);
}
}
catch (Exception e)
{
if (TrafficWatchManager.HasRegisteredClients)
{
LogTrafficWatch(context, 0, database ?? "N/A");
}
if (context.RequestAborted.IsCancellationRequested)
{
return;
}
//TODO: special handling for argument exception (400 bad request)
//TODO: operation canceled (timeout)
//TODO: Invalid data exception 422
//TODO: Proper json output, not like this
MaybeSetExceptionStatusCode(context, e);
using (_server.ServerStore.ContextPool.AllocateOperationContext(out JsonOperationContext ctx))
{
var djv = new DynamicJsonValue
{
[nameof(ExceptionDispatcher.ExceptionSchema.Url)] = $"{context.Request.Path}{context.Request.QueryString}",
[nameof(ExceptionDispatcher.ExceptionSchema.Type)] = e.GetType().FullName,
[nameof(ExceptionDispatcher.ExceptionSchema.Message)] = e.Message
};
#if EXCEPTION_ERROR_HUNT
var f = Guid.NewGuid() + ".error";
File.WriteAllText(f,
$"{context.Request.Path}{context.Request.QueryString}" + Environment.NewLine + errorString);
#endif
djv[nameof(ExceptionDispatcher.ExceptionSchema.Error)] = e.ToString();
MaybeAddAdditionalExceptionData(djv, e);
var response = context.Response;
using (var writer = new BlittableJsonTextWriter(ctx, response.Body))
{
var json = ctx.ReadObject(djv, "exception");
writer.WriteObject(json);
}
#if EXCEPTION_ERROR_HUNT
File.Delete(f);
#endif
}
}
}
private async Task RequestHandler(HttpContext context)
{
try
{
context.Response.StatusCode = 200;
var sp = Stopwatch.StartNew();
var tenant = await _router.HandlePath(context, context.Request.Method, context.Request.Path.Value);
sp.Stop();
if (_logger.IsInfoEnabled)
{
_logger.Info($"{context.Request.Method} {context.Request.Path.Value}?{context.Request.QueryString.Value} - {context.Response.StatusCode} - {sp.ElapsedMilliseconds:#,#;;0} ms");
}
if (TrafficWatchManager.HasRegisteredClients)
{
var requestId = Interlocked.Increment(ref _requestId);
var twn = new TrafficWatchNotification
{
TimeStamp = DateTime.UtcNow,
RequestId = requestId, // counted only for traffic watch
HttpMethod = context.Request.Method ?? "N/A", // N/A ?
ElapsedMilliseconds = sp.ElapsedMilliseconds,
ResponseStatusCode = context.Response.StatusCode,
RequestUri = context.Request.GetEncodedUrl(),
AbsoluteUri = $@"{context.Request.Scheme}://{context.Request.Host}",
TenantName = tenant ?? "N/A",
CustomInfo = "", // TODO: Implement
InnerRequestsCount = 0, // TODO: Implement
QueryTimings = null, // TODO: Implement
};
TrafficWatchManager.DispatchMessage(twn);
}
}
catch (Exception e)
{
if (context.RequestAborted.IsCancellationRequested)
{
return;
}
//TODO: special handling for argument exception (400 bad request)
//TODO: database not found (503)
//TODO: operaton cancelled (timeout)
//TODO: Invalid data exception 422
//TODO: Proper json output, not like this
var response = context.Response;
var documentConflictException = e as DocumentConflictException;
if (response.HasStarted == false)
{
if (documentConflictException != null)
{
response.StatusCode = 409;
}
else if (response.StatusCode < 400)
{
response.StatusCode = 500;
}
}
JsonOperationContext ctx;
using (_server.ServerStore.ContextPool.AllocateOperationContext(out ctx))
{
var djv = new DynamicJsonValue
{
["Url"] = $"{context.Request.Path}?{context.Request.QueryString}",
["Type"] = e.GetType().FullName,
["Message"] = e.Message
};
string errorString;
try
{
errorString = e.ToAsyncString();
}
catch (Exception)
{
errorString = e.ToString();
}
djv["Error"] = errorString;
var indexCompilationException = e as IndexCompilationException;
if (indexCompilationException != null)
{
djv[nameof(IndexCompilationException.IndexDefinitionProperty)] =
indexCompilationException.IndexDefinitionProperty;
djv[nameof(IndexCompilationException.ProblematicText)] =
indexCompilationException.ProblematicText;
}
if (documentConflictException != null)
{
djv["ConflictInfo"] = ReplicationUtils.GetJsonForConflicts(
documentConflictException.DocId,
documentConflictException.Conflicts);
}
using (var writer = new BlittableJsonTextWriter(ctx, response.Body))
{
var json = ctx.ReadObject(djv, "exception");
writer.WriteObject(json);
}
}
}
}
private async Task RequestHandler(HttpContext context)
{
string database = null;
try
{
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.Headers["Content-Type"] = "application/json; charset=utf-8";
var sp = Stopwatch.StartNew();
database = await _router.HandlePath(context, context.Request.Method, context.Request.Path.Value);
sp.Stop();
if (_logger.IsInfoEnabled && SkipHttpLogging == false)
{
_logger.Info($"{context.Request.Method} {context.Request.Path.Value}?{context.Request.QueryString.Value} - {context.Response.StatusCode} - {sp.ElapsedMilliseconds:#,#;;0} ms");
}
if (TrafficWatchManager.HasRegisteredClients)
{
LogTrafficWatch(context, sp.ElapsedMilliseconds, database);
}
}
catch (Exception e)
{
if (TrafficWatchManager.HasRegisteredClients)
{
LogTrafficWatch(context, 0, database ?? "N/A");
}
if (context.RequestAborted.IsCancellationRequested)
{
return;
}
if (context.Request.Headers.TryGetValue(Constants.Headers.ClientVersion, out var versions))
{
var version = versions.ToString();
if (version.Length > 0 && version[0] != RavenVersionAttribute.Instance.MajorVersionAsChar)
{
e = new ClientVersionMismatchException($"RavenDB does not support interaction between Client API and Server when major version does not match. Client: {version}. Server: {RavenVersionAttribute.Instance.AssemblyVersion}", e);
}
}
MaybeSetExceptionStatusCode(context, e);
using (_server.ServerStore.ContextPool.AllocateOperationContext(out JsonOperationContext ctx))
{
var djv = new DynamicJsonValue
{
[nameof(ExceptionDispatcher.ExceptionSchema.Url)] = $"{context.Request.Path}{context.Request.QueryString}",
[nameof(ExceptionDispatcher.ExceptionSchema.Type)] = e.GetType().FullName,
[nameof(ExceptionDispatcher.ExceptionSchema.Message)] = e.Message,
[nameof(ExceptionDispatcher.ExceptionSchema.Error)] = e.ToString()
};
#if EXCEPTION_ERROR_HUNT
var f = Guid.NewGuid() + ".error";
File.WriteAllText(f,
$"{context.Request.Path}{context.Request.QueryString}" + Environment.NewLine + errorString);
#endif
MaybeAddAdditionalExceptionData(djv, e);
using (var writer = new BlittableJsonTextWriter(ctx, context.Response.Body))
{
var json = ctx.ReadObject(djv, "exception");
writer.WriteObject(json);
}
#if EXCEPTION_ERROR_HUNT
File.Delete(f);
#endif
}
}
}
private async Task RequestHandler(HttpContext context)
{
try
{
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.Headers["Content-Type"] = "application/json; charset=utf-8";
var sp = Stopwatch.StartNew();
var database = await _router.HandlePath(context, context.Request.Method, context.Request.Path.Value);
sp.Stop();
if (_logger.IsInfoEnabled && SkipHttpLogging == false)
{
_logger.Info($"{context.Request.Method} {context.Request.Path.Value}?{context.Request.QueryString.Value} - {context.Response.StatusCode} - {sp.ElapsedMilliseconds:#,#;;0} ms");
}
if (TrafficWatchManager.HasRegisteredClients)
{
var requestId = Interlocked.Increment(ref _requestId);
var twn = new TrafficWatchChange
{
TimeStamp = DateTime.UtcNow,
RequestId = requestId, // counted only for traffic watch
HttpMethod = context.Request.Method ?? "N/A", // N/A ?
ElapsedMilliseconds = sp.ElapsedMilliseconds,
ResponseStatusCode = context.Response.StatusCode,
RequestUri = context.Request.GetEncodedUrl(),
AbsoluteUri = $@"{context.Request.Scheme}://{context.Request.Host}",
DatabaseName = database ?? "N/A",
CustomInfo = "", // TODO: Implement
InnerRequestsCount = 0, // TODO: Implement
QueryTimings = null // TODO: Implement
};
TrafficWatchManager.DispatchMessage(twn);
}
}
catch (Exception e)
{
if (context.RequestAborted.IsCancellationRequested)
{
return;
}
//TODO: special handling for argument exception (400 bad request)
//TODO: operation canceled (timeout)
//TODO: Invalid data exception 422
//TODO: Proper json output, not like this
var response = context.Response;
MaybeSetExceptionStatusCode(response, e);
using (_server.ServerStore.ContextPool.AllocateOperationContext(out JsonOperationContext ctx))
{
var djv = new DynamicJsonValue
{
[nameof(ExceptionDispatcher.ExceptionSchema.Url)] = $"{context.Request.Path}{context.Request.QueryString}",
[nameof(ExceptionDispatcher.ExceptionSchema.Type)] = e.GetType().FullName,
[nameof(ExceptionDispatcher.ExceptionSchema.Message)] = e.Message
};
#if EXCEPTION_ERROR_HUNT
var f = Guid.NewGuid() + ".error";
File.WriteAllText(f,
$"{context.Request.Path}{context.Request.QueryString}" + Environment.NewLine + errorString);
#endif
djv[nameof(ExceptionDispatcher.ExceptionSchema.Error)] = e.ToString();
MaybeAddAdditionalExceptionData(djv, e);
using (var writer = new BlittableJsonTextWriter(ctx, response.Body))
{
var json = ctx.ReadObject(djv, "exception");
writer.WriteObject(json);
}
#if EXCEPTION_ERROR_HUNT
File.Delete(f);
#endif
}
}
}
