Jeff Hill
139 lines
4.2 KiB
C++
139 lines
4.2 KiB
C++
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/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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#ifndef casStrmClienth
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#define casStrmClienth
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#include "casClient.h"
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enum xBlockingStatus { xIsBlocking, xIsntBlocking };
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//
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// casStrmClient
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//
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class casStrmClient :
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public casClient,
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public tsDLNode < casStrmClient > {
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public:
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casStrmClient ( caServerI &, clientBufMemoryManager & );
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virtual ~casStrmClient();
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void show ( unsigned level ) const;
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void flush ();
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//
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// one function for each CA request type that has
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// asynchronous completion
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//
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virtual caStatus createChanResponse (
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const caHdrLargeArray &, const pvAttachReturn & );
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caStatus readResponse ( casChannelI * pChan, const caHdrLargeArray & msg,
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const gdd & desc, const caStatus status );
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caStatus readNotifyResponse ( casChannelI *pChan, const caHdrLargeArray & msg,
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const gdd & desc, const caStatus status );
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caStatus writeResponse ( casChannelI &,
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const caHdrLargeArray & msg, const caStatus status );
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caStatus writeNotifyResponse ( casChannelI &,
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const caHdrLargeArray &, const caStatus status );
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caStatus monitorResponse ( casChannelI & chan, const caHdrLargeArray & msg,
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const gdd & desc, const caStatus status );
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caStatus enumPostponedCreateChanResponse ( casChannelI & chan,
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const caHdrLargeArray & hdr, unsigned dbrType );
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caStatus channelCreateFailedResp ( const caHdrLargeArray &,
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const caStatus createStatus );
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caStatus disconnectChan ( caResId id );
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unsigned getDebugLevel () const;
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virtual void hostName ( char * pBuf, unsigned bufSize ) const = 0;
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void userName ( char * pBuf, unsigned bufSize ) const;
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private:
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chronIntIdResTable < casChannelI > chanTable;
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tsDLList < casChannelI > chanList;
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char * pUserName;
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char * pHostName;
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//
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// createChannel()
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//
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caStatus createChannel ( const char *pName );
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//
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// verify read/write requests
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//
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caStatus verifyRequest ( casChannelI * & pChan );
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//
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// one function for each CA request type
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//
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caStatus uknownMessageAction ();
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caStatus eventAddAction ();
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caStatus eventCancelAction ();
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caStatus readAction ();
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caStatus readNotifyAction ();
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caStatus writeAction ();
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caStatus eventsOffAction ();
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caStatus eventsOnAction ();
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caStatus readSyncAction ();
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caStatus clearChannelAction ();
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caStatus claimChannelAction ();
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caStatus writeNotifyAction ();
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caStatus clientNameAction ();
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caStatus hostNameAction ();
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//
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// accessRightsResponse()
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//
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caStatus accessRightsResponse ( casChannelI * pciu );
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//
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// these prepare the gdd based on what is in the ca hdr
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//
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caStatus read ( const gdd * & pDesc );
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caStatus write ();
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caStatus writeArrayData();
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caStatus writeScalarData();
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caStatus writeString();
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//
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// io independent send/recv
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//
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outBufClient::flushCondition xSend ( char * pBuf, bufSizeT nBytesAvailableToSend,
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bufSizeT nBytesNeedToBeSent, bufSizeT & nBytesSent );
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inBufClient::fillCondition xRecv ( char * pBuf, bufSizeT nBytesToRecv,
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inBufClient::fillParameter parm, bufSizeT & nByesRecv );
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virtual xBlockingStatus blockingState () const = 0;
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virtual outBufClient::flushCondition osdSend ( const char *pBuf, bufSizeT nBytesReq,
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bufSizeT & nBytesActual ) = 0;
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virtual inBufClient::fillCondition osdRecv ( char *pBuf, bufSizeT nBytesReq,
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bufSizeT &nBytesActual ) = 0;
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caStatus readNotifyFailureResponse ( const caHdrLargeArray & msg,
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const caStatus ECA_XXXX );
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caStatus monitorFailureResponse ( const caHdrLargeArray & msg,
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const caStatus ECA_XXXX );
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caStatus writeNotifyResponseECA_XXX ( const caHdrLargeArray &msg,
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const caStatus status );
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caStatus casMonitorCallBack ( casMonitor &,
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const gdd & );
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casStrmClient ( const casStrmClient & );
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casStrmClient & operator = ( const casStrmClient & );
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};
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#endif // casStrmClienth
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