mirror of
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95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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* Copyright (c) 2014 Netflix, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETFLIX, INC. AND CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NETFLIX OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DIALDISCOVERY_H
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#define DIALDISCOVERY_H
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#include "DialServer.h"
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#include <map>
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using namespace std;
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class DialDiscovery
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{
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public:
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/**
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* Create a singleton
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*/
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static DialDiscovery* create(void);
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/**
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* Get a pointer to the singleton
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*/
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static DialDiscovery* instance(void);
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~DialDiscovery();
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/**
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* Initialize the discover object. This will kick off a periodic
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* worker thread that will poll for DIAL servers.
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*
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*/
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void init();
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/**
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* Get the list of servers that have been discovered.
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*
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* @param[out] list List of DIAL servers. Returns an empty list if there
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* are no servers.
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*/
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void getServerList(vector<DialServer*>& list);
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/**
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* Get a DIAL server based on friendly name
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*
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* @param[in] friendlyName Friendly name of DIAL server
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* @param[out] server Server object (if successful)
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*
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* @return true if successful, false otherwise
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*/
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bool getServer(
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const string& friendlyName,
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DialServer &server );
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private:
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DialDiscovery();
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void updateServerList(string& server);
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static void *receiveResponses(void *p);
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static void *send_mcast(void *p);
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void processServer(char *pResponse);
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void cleanServerList();
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void resetDiscovery();
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pthread_t _mcastThread;
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pthread_t _responseThread;
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typedef map<string, DialServer*> ServerMap;
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ServerMap mServerMap;
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static DialDiscovery* sDiscovery;
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};
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#endif // DIALDISCOVERY_H
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