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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* 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.
*/
#ifndef COMMUNICATION_PROTOCOL_HPP
#define COMMUNICATION_PROTOCOL_HPP
#include <string>
#include <map>
#include <set>
#include "query.h"
#include "../UI/GraphDataSource.h"
#include "websocket-server.h"
enum ProtocolVersion
{
CONTROL_PROTOCOL_V1 = 1,
CONTROL_PROTOCOL_V2 = 2
};
typedef struct ProtocolDetails {
static std::set<std::string> AllowedObjectName;
static std::set<std::string> AllowedFields;
static std::set<std::string> AllowedActions;
// static std::list<std::string> AllowedParameters; // Per action
static std::set<std::string> AllowedFilters;
static std::set<std::string> AllowedOperands; // Per filter
} ProtocolDetails;
class CommunicationProtocol
{
public:
CommunicationProtocol(ProtocolVersion version = ProtocolVersion::CONTROL_PROTOCOL_V1);
bool
checkFilter(const std::vector<std::string> &filter);
bool
checkFields(const std::string &field);
bool
checkObjectName(const std::string &objectName);
bool
checkParameters(const std::string ¶meter);
bool
checkAction(const std::string &action);
std::string
evaluateFilters(const std::list<std::vector<std::string>> &filters);
void
processQuery(Server *s, websocketpp::connection_hdl hdl, message_ptr msg,
Query query);
Query
makeReplyQuery(const Query &request);
void
setGraphDataSource(GraphDataSource *graphDataSource);
static std::function<void(const boost::system::error_code&)> timerCallback;
private:
GraphDataSource *graphDataSource;
ProtocolVersion version;
std::shared_ptr<boost::asio::deadline_timer> subscribeTimer;
};
#endif //COMMUNICATION_PROTOCOL_HPP
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