start PDB integration

2016-03-02 10:49:06 -05:00
parent 48824ec333
commit 229f681d5c
8 changed files with 441 additions and 0 deletions
--- a/common/pvahelper.h
+++ b/common/pvahelper.h
@ -0,0 +1,116 @@
+#ifndef PVAHELPER_H
+#define PVAHELPER_H
+
+#include <epicsGuard.h>
+
+#include <pv/pvAccess.h>
+
+struct BaseChannel : public epics::pvAccess::Channel
+{
+    BaseChannel(const std::string& name,
+                const std::tr1::shared_ptr<epics::pvAccess::ChannelProvider>& prov,
+                const epics::pvAccess::ChannelRequester::shared_pointer& req,
+                const epics::pvData::StructureConstPtr& dtype
+                )
+        :pvname(name), provider(prov), requester(req), fielddesc(dtype)
+    {}
+    virtual ~BaseChannel() {}
+
+    epicsMutex lock;
+    typedef epicsGuard<epicsMutex> guard_t;
+    const std::string pvname;
+    std::tr1::shared_ptr<epics::pvAccess::ChannelProvider> provider;
+    epics::pvAccess::ChannelRequester::shared_pointer requester;
+    const epics::pvData::StructureConstPtr fielddesc;
+
+    // assume Requester methods not called after destory()
+    virtual std::string getRequesterName() { guard_t G(lock); return requester->getRequesterName(); }
+
+    virtual void destroy() { guard_t G(lock); provider.reset(); requester.reset(); }
+
+    virtual std::tr1::shared_ptr<epics::pvAccess::ChannelProvider> getProvider() { guard_t G(lock); return provider; }
+    virtual std::string getRemoteAddress() { guard_t G(lock); return requester->getRequesterName(); }
+    virtual ConnectionState getConnectionState() { return epics::pvAccess::Channel::CONNECTED; }
+    virtual std::string getChannelName() { return pvname; }
+    virtual std::tr1::shared_ptr<epics::pvAccess::ChannelRequester> getChannelRequester() { guard_t G(lock); return requester; }
+    virtual bool isConnected() { return getConnectionState()==epics::pvAccess::Channel::CONNECTED; }
+
+    virtual void getField(epics::pvAccess::GetFieldRequester::shared_pointer const & requester,std::string const & subField)
+    { requester->getDone(epics::pvData::Status(), fielddesc); }
+
+
+    virtual epics::pvAccess::ChannelProcess::shared_pointer createChannelProcess(
+            epics::pvAccess::ChannelProcessRequester::shared_pointer const & requester,
+            epics::pvData::PVStructure::shared_pointer const & pvRequest)
+    {
+        epics::pvAccess::ChannelProcess::shared_pointer ret;
+        requester->channelProcessConnect(epics::pvData::Status(epics::pvData::Status::STATUSTYPE_FATAL, "Not implemented"), ret);
+        return ret;
+    }
+
+    virtual epics::pvAccess::ChannelGet::shared_pointer createChannelGet(
+            epics::pvAccess::ChannelGetRequester::shared_pointer const & requester,
+            epics::pvData::PVStructure::shared_pointer const & pvRequest)
+    {
+        epics::pvAccess::ChannelGet::shared_pointer ret;
+        requester->channelGetConnect(epics::pvData::Status(epics::pvData::Status::STATUSTYPE_FATAL, "Not implemented"),
+                                     ret, epics::pvData::StructureConstPtr());
+        return ret;
+    }
+
+    virtual epics::pvAccess::ChannelPut::shared_pointer createChannelPut(
+            epics::pvAccess::ChannelPutRequester::shared_pointer const & requester,
+            epics::pvData::PVStructure::shared_pointer const & pvRequest)
+    {
+        epics::pvAccess::ChannelPut::shared_pointer ret;
+        requester->channelPutConnect(epics::pvData::Status(epics::pvData::Status::STATUSTYPE_FATAL, "Not implemented"),
+                                     ret, epics::pvData::StructureConstPtr());
+        return ret;
+    }
+
+    virtual epics::pvAccess::ChannelPutGet::shared_pointer createChannelPutGet(
+            epics::pvAccess::ChannelPutGetRequester::shared_pointer const & requester,
+            epics::pvData::PVStructure::shared_pointer const & pvRequest)
+    {
+        epics::pvAccess::ChannelPutGet::shared_pointer ret;
+        requester->channelPutGetConnect(epics::pvData::Status(epics::pvData::Status::STATUSTYPE_FATAL, "Not implemented"),
+                                        ret, epics::pvData::StructureConstPtr(), epics::pvData::StructureConstPtr());
+        return ret;
+    }
+
+    virtual epics::pvAccess::ChannelRPC::shared_pointer createChannelRPC(
+            epics::pvAccess::ChannelRPCRequester::shared_pointer const & requester,
+            epics::pvData::PVStructure::shared_pointer const & pvRequest)
+    {
+        epics::pvAccess::ChannelRPC::shared_pointer ret;
+        requester->channelRPCConnect(epics::pvData::Status(epics::pvData::Status::STATUSTYPE_FATAL, "Not implemented"), ret);
+        return ret;
+    }
+
+    virtual epics::pvData::Monitor::shared_pointer createMonitor(
+            epics::pvData::MonitorRequester::shared_pointer const & requester,
+            epics::pvData::PVStructure::shared_pointer const & pvRequest)
+    {
+        epics::pvData::Monitor::shared_pointer ret;
+        requester->monitorConnect(epics::pvData::Status(epics::pvData::Status::STATUSTYPE_FATAL, "Not implemented"),
+                                  ret, epics::pvData::StructureConstPtr());
+        return ret;
+    }
+
+    virtual epics::pvAccess::ChannelArray::shared_pointer createChannelArray(
+            epics::pvAccess::ChannelArrayRequester::shared_pointer const & requester,
+            epics::pvData::PVStructure::shared_pointer const & pvRequest)
+    {
+        epics::pvAccess::ChannelArray::shared_pointer ret;
+        requester->channelArrayConnect(epics::pvData::Status(epics::pvData::Status::STATUSTYPE_FATAL, "Not implemented"),
+                                       ret, epics::pvData::Array::const_shared_pointer());
+        return ret;
+    }
+
+    virtual void printInfo() { printInfo(std::cout); }
+    virtual void printInfo(std::ostream& out) {
+        out<<"Channel '"<<pvname<<"' "<<getRemoteAddress()<<"\n";
+    }
+};
+
+#endif // PVAHELPER_H