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arangodb/arangod/Cluster/RestAgencyCallbacksHandler.cpp

84 lines
3.0 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2018 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 Andreas Streichardt
////////////////////////////////////////////////////////////////////////////////
#include "RestAgencyCallbacksHandler.h"
#include "Cluster/AgencyCallbackRegistry.h"
#include "Rest/HttpRequest.h"
#include "Rest/HttpResponse.h"
#include "Scheduler/Scheduler.h"
#include "Scheduler/SchedulerFeature.h"
using namespace arangodb;
using namespace arangodb::rest;
RestAgencyCallbacksHandler::RestAgencyCallbacksHandler(GeneralRequest* request,
GeneralResponse* response,
arangodb::AgencyCallbackRegistry* agencyCallbackRegistry)
: RestVocbaseBaseHandler(request, response),
_agencyCallbackRegistry(agencyCallbackRegistry) {}
RestStatus RestAgencyCallbacksHandler::execute() {
std::vector<std::string> const& suffixes = _request->decodedSuffixes();
if (suffixes.size() != 1) {
generateError(rest::ResponseCode::BAD, TRI_ERROR_HTTP_BAD_PARAMETER,
"invalid callback");
return RestStatus::DONE;
}
// extract the sub-request type
auto const type = _request->requestType();
if (type != rest::RequestType::POST) {
generateError(rest::ResponseCode::METHOD_NOT_ALLOWED, TRI_ERROR_HTTP_METHOD_NOT_ALLOWED);
return RestStatus::DONE;
}
bool parseSuccess = true;
VPackSlice body = this->parseVPackBody(parseSuccess);
if (!parseSuccess || body.isNone()) {
generateError(rest::ResponseCode::BAD, TRI_ERROR_HTTP_BAD_PARAMETER,
"invalid JSON");
return RestStatus::DONE;
}
uint32_t index = basics::StringUtils::uint32(suffixes.at(0));
auto cb = _agencyCallbackRegistry->getCallback(index);
if (cb.get() == nullptr) {
// no entry by this id!
resetResponse(arangodb::rest::ResponseCode::NOT_FOUND);
} else {
LOG_TOPIC("76a8a", DEBUG, Logger::CLUSTER)
<< "Agency callback has been triggered. refetching!";
try {
cb->refetchAndUpdate(true, false);
} catch (arangodb::basics::Exception const& e) {
LOG_TOPIC("c3910", WARN, Logger::AGENCYCOMM) << "Error executing callback: " << e.message();
}
resetResponse(arangodb::rest::ResponseCode::ACCEPTED);
}
return RestStatus::DONE;
}