mirror of https://gitee.com/bigwinds/arangodb
122 lines
4.5 KiB
C++
122 lines
4.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief shard control request handler
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
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/// @author Copyright 2010-2014, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "RestShardHandler.h"
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#include "Basics/ConditionLocker.h"
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#include "Cluster/ServerState.h"
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#include "Cluster/ClusterComm.h"
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#include "Dispatcher/Dispatcher.h"
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#include "HttpServer/HttpServer.h"
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#include "HttpServer/HttpHandlerFactory.h"
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#include "Rest/HttpRequest.h"
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#include "Rest/HttpResponse.h"
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using namespace std;
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using namespace triagens::arango;
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using namespace triagens::rest;
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief constructor
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////////////////////////////////////////////////////////////////////////////////
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RestShardHandler::RestShardHandler (triagens::rest::HttpRequest* request,
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Dispatcher* data)
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: RestBaseHandler(request),
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_dispatcher(data) {
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TRI_ASSERT(_dispatcher != nullptr);
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- Handler methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// {@inheritDoc}
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////////////////////////////////////////////////////////////////////////////////
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bool RestShardHandler::isDirect () const {
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// {@inheritDoc}
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////////////////////////////////////////////////////////////////////////////////
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triagens::rest::HttpHandler::status_t RestShardHandler::execute () {
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// Deactivated to allow for asynchronous cluster internal communication
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// between two DBservers. 30.7.2014 Max.
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#if 0
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ServerState::RoleEnum role = ServerState::instance()->getRole();
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if (role != ServerState::ROLE_COORDINATOR) {
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generateError(triagens::rest::HttpResponse::BAD,
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(int) triagens::rest::HttpResponse::BAD,
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"this API is meant to be called on a coordinator node");
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return status_t(HANDLER_DONE);
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}
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#endif
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bool found;
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char const* _coordinator = _request->header("x-arango-coordinator", found);
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if (! found) {
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generateError(triagens::rest::HttpResponse::BAD,
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(int) triagens::rest::HttpResponse::BAD,
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"header 'X-Arango-Coordinator' is missing");
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return status_t(HANDLER_DONE);
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}
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string coordinatorHeader = _coordinator;
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string result = ClusterComm::instance()->processAnswer(coordinatorHeader,
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stealRequest());
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if (result == "") {
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_response = createResponse(triagens::rest::HttpResponse::ACCEPTED);
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}
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else {
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generateError(triagens::rest::HttpResponse::BAD,
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(int) triagens::rest::HttpResponse::BAD,
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result.c_str());
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}
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return status_t(HANDLER_DONE);
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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