Move all under modules/ca

modules/ca/src/client/netSubscription.cpp

@@ -0,0 +1,189 @@
+/*************************************************************************\
+* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
+*     National Laboratory.
+* Copyright (c) 2002 The Regents of the University of California, as
+*     Operator of Los Alamos National Laboratory.
+* EPICS BASE Versions 3.13.7
+* and higher are distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution. 
+\*************************************************************************/
+/*
+ *
+ *                    L O S  A L A M O S
+ *              Los Alamos National Laboratory
+ *               Los Alamos, New Mexico 87545
+ *
+ *  Copyright, 1986, The Regents of the University of California.
+ *
+ *  Author: Jeff Hill
+ */
+
+#include <string>
+#include <stdexcept>
+
+#include "errlog.h"
+
+#define epicsAssertAuthor "Jeff Hill johill@lanl.gov"
+
+#define epicsExportSharedSymbols
+#include "iocinf.h"
+#include "nciu.h"
+#include "cac.h"
+#include "db_access.h" // for dbf_type_to_text
+#include "caerr.h"
+
+netSubscription::netSubscription ( 
+        privateInterfaceForIO & chanIn, 
+        unsigned typeIn, arrayElementCount countIn, 
+        unsigned maskIn, cacStateNotify & notifyIn ) :
+    count ( countIn ), privateChanForIO ( chanIn ),
+    notify ( notifyIn ), type ( typeIn ), mask ( maskIn ),
+    subscribed ( false )
+{
+    if ( ! dbr_type_is_valid ( typeIn ) ) {
+        throw cacChannel::badType ();
+    }
+    if ( this->mask == 0u ) {
+        throw cacChannel::badEventSelection ();
+    }
+}
+
+netSubscription::~netSubscription () 
+{
+}
+
+void netSubscription::destroy ( 
+    epicsGuard < epicsMutex > & guard, cacRecycle & recycle )
+{
+    this->~netSubscription ();
+    recycle.recycleSubscription ( guard, *this );
+}
+
+class netSubscription * netSubscription::isSubscription ()
+{
+    return this;
+}
+
+void netSubscription::show ( unsigned /* level */ ) const
+{
+    ::printf ( "event subscription IO at %p, type %s, element count %lu, mask %u\n", 
+        static_cast < const void * > ( this ), 
+        dbf_type_to_text ( static_cast < int > ( this->type ) ), 
+        this->count, this->mask );
+}
+
+void netSubscription::show ( 
+    epicsGuard < epicsMutex > &, unsigned level ) const
+{
+    this->show ( level );
+}
+
+void netSubscription::completion ( 
+    epicsGuard < epicsMutex > &, cacRecycle & )
+{
+    errlogPrintf ( "subscription update w/o data ?\n" );
+}
+
+void netSubscription::exception ( 
+    epicsGuard < epicsMutex > & guard, cacRecycle & recycle, 
+    int status, const char * pContext )
+{
+    if ( status == ECA_DISCONN ) {
+        this->subscribed = false;
+    }
+    if ( status == ECA_CHANDESTROY ) {
+        this->privateChanForIO.ioCompletionNotify ( guard, *this );
+        this->notify.exception ( 
+            guard, status, pContext, UINT_MAX, 0 );
+        this->~netSubscription ();
+        recycle.recycleSubscription ( guard, *this );
+    }
+    else {
+        // guard.assertIdenticalMutex ( this->mutex );
+        if ( this->privateChanForIO.connected ( guard )  ) {
+            this->notify.exception ( 
+                guard, status, pContext, UINT_MAX, 0 );
+        }
+    }
+}
+
+void netSubscription::exception ( 
+    epicsGuard < epicsMutex > & guard, 
+    cacRecycle & recycle, int status, const char * pContext, 
+    unsigned typeIn, arrayElementCount countIn )
+{
+    if ( status == ECA_DISCONN ) {
+        this->subscribed = false;
+    }
+    if ( status == ECA_CHANDESTROY ) {
+        this->privateChanForIO.ioCompletionNotify ( guard, *this );
+        this->notify.exception ( 
+            guard, status, pContext, UINT_MAX, 0 );
+        this->~netSubscription ();
+        recycle.recycleSubscription ( guard, *this );
+    }
+    else {
+        //guard.assertIdenticalMutex ( this->mutex );
+        if ( this->privateChanForIO.connected ( guard ) ) {
+            this->notify.exception ( 
+                guard, status, pContext, typeIn, countIn );
+        }
+    }
+}
+
+void netSubscription::completion ( 
+    epicsGuard < epicsMutex > & guard, cacRecycle &,
+    unsigned typeIn, arrayElementCount countIn, 
+    const void * pDataIn )
+{
+    // guard.assertIdenticalMutex ( this->mutex );
+    if ( this->privateChanForIO.connected ( guard )  ) {
+        this->notify.current ( 
+            guard, typeIn, countIn, pDataIn );
+    }
+}
+
+void netSubscription::subscribeIfRequired (
+    epicsGuard < epicsMutex > & guard, nciu & chan )
+{
+    if ( ! this->subscribed ) {
+        chan.getPIIU(guard)->subscriptionRequest ( 
+            guard, chan, *this );
+        this->subscribed = true;
+    }
+}
+
+void netSubscription::unsubscribeIfRequired ( 
+    epicsGuard < epicsMutex > & guard, nciu & chan )
+{
+    if ( this->subscribed ) {
+        chan.getPIIU(guard)->subscriptionCancelRequest ( 
+            guard, chan, *this );
+        this->subscribed = false;
+    }
+}
+
+void netSubscription::forceSubscriptionUpdate (
+    epicsGuard < epicsMutex > & guard, nciu & chan )
+{
+    chan.getPIIU(guard)->subscriptionUpdateRequest ( 
+        guard, chan, *this );
+}
+
+void netSubscription::operator delete ( void * )
+{
+    // Visual C++ .net appears to require operator delete if
+    // placement operator delete is defined? I smell a ms rat
+    // because if I declare placement new and delete, but
+    // comment out the placement delete definition there are
+    // no undefined symbols.
+    errlogPrintf ( "%s:%d this compiler is confused about placement delete - memory was probably leaked",
+        __FILE__, __LINE__ );
+}
+
+
+
+
+
+
+