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getme example minor

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This commit is contained in:
Michael Davidsaver
2017-06-20 18:19:53 +02:00
parent 9a9896042a
commit 67c07aa979
1 changed files with 10 additions and 7 deletions
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17
examples/getme.cpp
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@ -70,6 +70,8 @@ struct ChanReq : public pva::ChannelRequester
struct GetReq : public pva::ChannelGetRequester struct GetReq : public pva::ChannelGetRequester
{ {
const std::string name;
GetReq(const std::string& name) :name(name) {}
virtual ~GetReq() {} virtual ~GetReq() {}
virtual std::string getRequesterName() { return "GetReq"; } virtual std::string getRequesterName() { return "GetReq"; }
@ -81,18 +83,18 @@ struct GetReq : public pva::ChannelGetRequester
{ {
// Called each time get operation becomes "ready" (channel connected) // Called each time get operation becomes "ready" (channel connected)
if(status.isSuccess()) { if(status.isSuccess()) {
std::cout<<"Get execute "<<channelGet->getChannel()->getChannelName()<<"\n"; std::cout<<"Get execute "<<name<<"\n";
// can now execute the get operation // can now execute the get operation
channelGet->get(); channelGet->get();
} else { } else {
std::cout<<"Oops GetConnect: "<<channelGet->getChannel()->getChannelName()<<" "<<status<<"\n"; std::cout<<"Oops GetConnect: "<<name<<" "<<status<<"\n";
} }
} }
virtual void channelDisconnect(bool destroy) { virtual void channelDisconnect(bool destroy) {
// Called each time operation becomes no "ready" (channel disconnected) // Called each time operation becomes no "ready" (channel disconnected)
// same as channelStateChange() for DISCONNECTED and DESTROYED // same as channelStateChange() for DISCONNECTED and DESTROYED
std::cout<<"Get disconnected\n"; std::cout<<name<<"Get disconnected\n";
} }
virtual void getDone( virtual void getDone(
@ -106,9 +108,9 @@ struct GetReq : public pva::ChannelGetRequester
pvd::PVFieldPtr valfld(pvStructure->getSubField("value")); pvd::PVFieldPtr valfld(pvStructure->getSubField("value"));
if(!valfld) if(!valfld)
valfld = pvStructure; valfld = pvStructure;
std::cout<<channelGet->getChannel()->getChannelName()<<" : "<<*valfld<<"\n"; std::cout<<name<<" : "<<*valfld<<"\n";
} else { } else {
std::cout<<"Oops Get: "<<status<<"\n"; std::cout<<name<<"Oops Get: "<<status<<"\n";
} }
} }
}; };
@ -176,14 +178,15 @@ int main(int argc, char *argv[]) {
typedef std::set<pva::ChannelGet::shared_pointer> gets_t; typedef std::set<pva::ChannelGet::shared_pointer> gets_t;
gets_t gets; gets_t gets;
// as we have no channel or operation specific data, // as we have no channel specific data,
// use the same requesters for all PVs // use the same requesters for all PVs
pva::ChannelRequester::shared_pointer chanreq(new ChanReq); pva::ChannelRequester::shared_pointer chanreq(new ChanReq);
pva::ChannelGetRequester::shared_pointer getreq(new GetReq);
for(pvs_t::const_iterator it=pvs.begin(); it!=pvs.end(); ++it) { for(pvs_t::const_iterator it=pvs.begin(); it!=pvs.end(); ++it) {
const std::string& pv = *it; const std::string& pv = *it;
pva::ChannelGetRequester::shared_pointer getreq(new GetReq(pv));
pva::Channel::shared_pointer chan(provider->createChannel(pv, chanreq)); pva::Channel::shared_pointer chan(provider->createChannel(pv, chanreq));
// if !chan then channelCreated() called with error status // if !chan then channelCreated() called with error status
if(!chan) continue; if(!chan) continue;