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arangodb/arangod/Agency/RestAgencyPrivHandler.h

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////////////////////////////////////////////////////////////////////////////////
/// 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 Kaveh Vahedipour
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_REST_HANDLER_REST_AGENCY_PRIV_HANDLER_H
#define ARANGOD_REST_HANDLER_REST_AGENCY_PRIV_HANDLER_H 1
#include "Agency/Agent.h"
#include "RestHandler/RestBaseHandler.h"
namespace arangodb {
////////////////////////////////////////////////////////////////////////////////
/// @brief REST handler for private agency communication
/// (vote, appendentries, notify)
////////////////////////////////////////////////////////////////////////////////
class RestAgencyPrivHandler : public arangodb::RestBaseHandler {
public:
RestAgencyPrivHandler(GeneralRequest*, GeneralResponse*, consensus::Agent*);
public:
char const* name() const override final { return "RestAgencyPrivHandler"; }
bool isDirect() const override;
bool needsOwnThread() const { return true; }
RestStatus execute() override;
private:
template <class T>
inline bool readValue(char const* name, T& val) const {
bool found = true;
std::string const& val_str = _request->value(name, found);
if (!found) {
LOG_TOPIC(WARN, Logger::AGENCY) << "Mandatory query string " << name
<< " missing.";
return false;
} else {
try {
val = std::stoul(val_str);
} catch (std::invalid_argument const&) {
LOG_TOPIC(WARN, Logger::AGENCY)
<< "Value for query string " << name
<< " cannot be converted to integral type";
return false;
}
}
return true;
}
RestStatus reportErrorEmptyRequest();
RestStatus reportTooManySuffices();
RestStatus reportBadQuery(std::string const& message = "bad parameter");
RestStatus reportMethodNotAllowed();
RestStatus reportGone();
consensus::Agent* _agent;
};
template <>
inline bool RestAgencyPrivHandler::readValue(char const* name,
std::string& val) const {
bool found = true;
val = _request->value(name, found);
if (!found) {
LOG_TOPIC(WARN, Logger::AGENCY) << "Mandatory query string " << name
<< " missing.";
return false;
}
return true;
}
}
#endif