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arangodb/arangod/Actions/RestActionHandler.cpp

118 lines
3.4 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#include "RestActionHandler.h"
#include "Actions/actions.h"
#include "Basics/StringUtils.h"
#include "Basics/tri-strings.h"
#include "Rest/HttpRequest.h"
#include "VocBase/vocbase.h"
using namespace arangodb;
using namespace arangodb::basics;
using namespace arangodb::rest;
RestActionHandler::RestActionHandler(HttpRequest* request)
: RestVocbaseBaseHandler(request),
_action(nullptr),
_dataLock(),
_data(nullptr) {
_action = TRI_LookupActionVocBase(request);
}
bool RestActionHandler::isDirect() const { return _action == nullptr; }
RestHandler::status RestActionHandler::execute() {
TRI_action_result_t result;
// check the request path
if (_request->databaseName() == "_system") {
if (StringUtils::isPrefix(_request->requestPath(), "/_admin/aardvark")) {
requestStatisticsAgentSetIgnore();
}
}
// need an action
if (_action == nullptr) {
generateNotImplemented(_request->requestPath());
}
// execute
else {
// extract the sub-request type
GeneralRequest::RequestType type = _request->requestType();
// execute one of the HTTP methods
switch (type) {
case GeneralRequest::RequestType::GET:
case GeneralRequest::RequestType::POST:
case GeneralRequest::RequestType::PUT:
case GeneralRequest::RequestType::DELETE_REQ:
case GeneralRequest::RequestType::HEAD:
case GeneralRequest::RequestType::OPTIONS:
case GeneralRequest::RequestType::PATCH: {
result = executeAction();
break;
}
default:
result.isValid = true;
generateNotImplemented("METHOD");
break;
}
}
// handler has finished, generate result
return result.isValid ? RestHandler::status::DONE
: RestHandler::status::FAILED;
}
bool RestActionHandler::cancel() { return _action->cancel(&_dataLock, &_data); }
////////////////////////////////////////////////////////////////////////////////
/// @brief executes an action
////////////////////////////////////////////////////////////////////////////////
TRI_action_result_t RestActionHandler::executeAction() {
TRI_action_result_t result =
_action->execute(_vocbase, _request, &_dataLock, &_data);
if (result.isValid) {
_response = result.response;
result.response = nullptr;
} else if (result.canceled) {
result.isValid = true;
generateCanceled();
} else {
result.isValid = true;
generateNotImplemented(_action->_url);
}
if (result.response != nullptr) {
delete result.response;
}
return result;
}