/// <summary>
/// Register a description of all the request methods supported by the RPC server
/// </summary>
public void RegisterRequestMethod(RequestType requestType, RequestHandler requestHandler)
{
requestMethods.Add(requestType.Method, new RequestMethod() { Type = requestType, HandleRequest = requestHandler });
}
public ResponseWaitState(RequestType requestType, string requestId, TaskCompletionSource<ResponseResultOrError> taskCompletionSource)
{
this.RequestType = requestType;
this.RequestId = requestId;
this.TaskCompletionSource = taskCompletionSource;
}
public ResponseWaitState(RequestType requestType, string requestId, TaskCompletionSource <ResponseResultOrError> taskCompletionSource)
{
this.RequestType = requestType;
this.RequestId = requestId;
this.TaskCompletionSource = taskCompletionSource;
}
/// <summary>
/// Send an async request to the client and await later for the response or error
/// </summary>
public Task<ResponseResultOrError> SendRequest(RequestType requestType, object parameters)
{
JObject jsonMessage = new JObject();
PrepareJsonPRCMessage(jsonMessage);
// Generate a unique id for the request
int id = Interlocked.Increment(ref sequenceNumber);
string requestId = id.ToString();
jsonMessage["id"] = requestId;
jsonMessage["method"] = requestType.Method;
if (parameters != null)
{
jsonMessage["params"] = JToken.FromObject(parameters);
}
// Send text message
messageServer.SendMessage(jsonMessage.ToString(Formatting.None));
// Remember all elements which will be needed to handle correctly the response to the request
TaskCompletionSource<ResponseResultOrError> taskCompletionSource = new TaskCompletionSource<ResponseResultOrError>();
ResponseWaitState responseWaitState = new ResponseWaitState(requestType, requestId, taskCompletionSource);
responsesExpected.Add(requestId, responseWaitState);
// The completion of the task will be signaled later, when the response arrives
return taskCompletionSource.Task;
}
private ResponseResultOrError CallSignatureHelp(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
SignatureHelp result = OnSignatureHelp((TextDocumentIdentifier)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
private ResponseResultOrError CallWorkspaceSymbol(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
List<SymbolInformation> result = OnWorkspaceSymbol((WorkspaceSymbolParams)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
private ResponseResultOrError CallRename(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
WorkspaceEdit result = OnRename((RenameParams)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
private ResponseResultOrError CallShutdown(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
shutdownReceived = true;
OnShutdown();
resultOrError = new ResponseResultOrError() { result = null };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
private ResponseResultOrError CallInitialize(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
InitializeResult result = OnInitialize((InitializeParams)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message, data = new InitializeError() { retry = false } };
}
return resultOrError;
}
private ResponseResultOrError CallReferences(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
List<Location> result = OnReferences((ReferenceParams)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
private ResponseResultOrError CallHoverRequest(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
Hover result = OnHover((TextDocumentPosition)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
private ResponseResultOrError CallDocumentSymbol(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
List<SymbolInformation> result = OnDocumentSymbol((TextDocumentIdentifier)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
private ResponseResultOrError CallDocumentRangeFormatting(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
List<TextEdit> result = OnDocumentRangeFormatting((DocumentRangeFormattingParams)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
private ResponseResultOrError CallCompletionResolve(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
CompletionItem result = OnCompletionResolve((CompletionItem)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch (Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
// --- Generic notification and request handlers ---
private ResponseResultOrError CallCodeAction(RequestType requestType, object parameters)
{
ResponseResultOrError resultOrError = null;
try
{
List<Command> result = OnCodeAction((CodeActionParams)parameters);
resultOrError = new ResponseResultOrError() { result = result };
}
catch(Exception e)
{
resultOrError = new ResponseResultOrError() { code = ErrorCodes.InternalError, message = e.Message };
}
return resultOrError;
}
