mirror of https://gitee.com/bigwinds/arangodb
120 lines
3.4 KiB
C++
120 lines
3.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief front-end configuration 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 2010-2011 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 triAGENS GmbH, Cologne, Germany
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///
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/// @author Achim Brandt
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/// @author Copyright 2010-2011, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "RestAdminFeConfigurationHandler.h"
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#include <Basics/FileUtils.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::basics;
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using namespace triagens::rest;
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// -----------------------------------------------------------------------------
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// private variables
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// -----------------------------------------------------------------------------
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namespace {
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string transientResult;
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}
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namespace triagens {
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namespace admin {
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// -----------------------------------------------------------------------------
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// Handler methods
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// -----------------------------------------------------------------------------
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HttpHandler::status_e RestAdminFeConfigurationHandler::execute () {
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switch (request->requestType()) {
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case HttpRequest::HTTP_REQUEST_GET:
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return executeRead();
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case HttpRequest::HTTP_REQUEST_POST:
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return executeWrite();
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default:
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generateError(HttpResponse::METHOD_NOT_ALLOWED, "expecting GET or POST");
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return HANDLER_DONE;
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}
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return HANDLER_DONE;
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}
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// -----------------------------------------------------------------------------
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// Handler methods
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// -----------------------------------------------------------------------------
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HttpHandler::status_e RestAdminFeConfigurationHandler::executeRead () {
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string result;
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if (_filename.empty()) {
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result = transientResult;
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}
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else {
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try {
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result = FileUtils::slurp(_filename);
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}
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catch (...) {
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LOGGER_INFO << "cannot read configuration '" << _filename << "'";
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}
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}
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if (result.empty()) {
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result = "{}";
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}
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response = new HttpResponse(HttpResponse::OK);
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response->setContentType("application/json");
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response->body().appendText(result);
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return HANDLER_DONE;
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}
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HttpHandler::status_e RestAdminFeConfigurationHandler::executeWrite () {
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if (_filename.empty()) {
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transientResult = request->body().c_str();
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}
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else {
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try {
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FileUtils::spit(_filename, request->body());
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}
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catch (...) {
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generateError(HttpResponse::SERVER_ERROR, "cannot write configuration");
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return HANDLER_DONE;
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}
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}
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response = new HttpResponse(HttpResponse::OK);
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return HANDLER_DONE;
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}
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}
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}
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