92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
/*
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* beaconHandler.h
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*/
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#ifndef BEACONHANDLER_H
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#define BEACONHANDLER_H
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#include "remote.h"
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#include "inetAddressUtil.h"
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#include "pvAccess.h"
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#include <timeStamp.h>
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#include <osiSock.h>
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#include <lock.h>
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#include <iostream>
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using namespace epics::pvData;
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namespace epics { namespace pvAccess {
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//TODO delete this
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class ClientContextImpl;
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/**
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* BeaconHandler
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*/
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class BeaconHandler
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{
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public:
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/**
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* Constructor.
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* @param transport transport to be used to send beacons.
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* @param context CA context.
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*/
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BeaconHandler(const ClientContextImpl* context, const osiSockAddr* responseFrom);
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/**
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* Test Constructor (for testing)
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* @param transport transport to be used to send beacons.
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*/
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BeaconHandler(const osiSockAddr* responseFrom);
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virtual ~BeaconHandler();
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/**
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* Update beacon period and do analitical checks (server restared, routing problems, etc.)
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* @param from who is notifying.
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* @param remoteTransportRevision encoded (major, minor) revision.
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* @param timestamp time when beacon was received.
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* @param startupTime server (reported) startup time.
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* @param sequentalID sequential ID.
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* @param data server status data, can be <code>NULL</code>.
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*/
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void beaconNotify(osiSockAddr* from, int8 remoteTransportRevision,
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int64 timestamp, TimeStamp* startupTime, int32 sequentalID,
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PVFieldPtr data);
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private:
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/**
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* Context instance.
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*/
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const ClientContextImpl* _context;
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/**
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* Remote address.
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*/
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const osiSockAddr* _responseFrom;
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/**
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* Server startup timestamp.
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*/
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TimeStamp* _serverStartupTime;
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/**
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* Mutex
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*/
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Mutex _mutex;
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/**
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* Update beacon.
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* @param remoteTransportRevision encoded (major, minor) revision.
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* @param timestamp time when beacon was received.
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* @param sequentalID sequential ID.
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* @return network change (server restarted) detected.
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*/
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bool updateBeacon(int8 remoteTransportRevision, int64 timestamp,
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TimeStamp* startupTime, int32 sequentalID);
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/**
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* Notify transport about beacon arrival.
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*/
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void beaconArrivalNotify();
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/**
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* Changed transport (server restarted) notify.
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*/
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void changedTransport();
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};
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}}
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#endif /* INTROSPECTIONREGISTRY_H */
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