ChannelFind::shared_pointer ChannelProviderLocal::channelFind(
string const & channelName,
ChannelFindRequester::shared_pointer const &channelFindRequester)
{
Lock xx(mutex);
PVRecordPtr pvRecord = pvDatabase->findRecord(channelName);
if(pvRecord) {
channelFindRequester->channelFindResult(
Status::Ok,
channelFinder,
true);
} else {
Status notFoundStatus(Status::STATUSTYPE_ERROR,"pv not found");
channelFindRequester->channelFindResult(
notFoundStatus,
channelFinder,
false);
}
return channelFinder;
}
virtual ChannelFind::shared_pointer channelFind(std::string const & channelName,
ChannelFindRequester::shared_pointer const & channelFindRequester)
{
bool found;
{
Lock guard(m_mutex);
found = (m_services.find(channelName) != m_services.end()) ||
findWildService(channelName);
}
ChannelFind::shared_pointer thisPtr(shared_from_this());
channelFindRequester->channelFindResult(Status::Ok, thisPtr, found);
return thisPtr;
}
ChannelFind::shared_pointer CAChannelProvider::channelFind(
epics::pvData::String const & channelName,
ChannelFindRequester::shared_pointer const & channelFindRequester)
{
if (channelName.empty())
throw std::invalid_argument("empty channel name");
if (!channelFindRequester)
throw std::invalid_argument("null requester");
Status errorStatus(Status::STATUSTYPE_ERROR, "not implemented");
ChannelFind::shared_pointer nullChannelFind;
EXCEPTION_GUARD(channelFindRequester->channelFindResult(errorStatus, nullChannelFind, false));
return nullChannelFind;
}
ChannelFind::shared_pointer DbPvProvider::channelFind(
string const & channelName,
ChannelFindRequester::shared_pointer const &channelFindRequester)
{
struct dbAddr dbAddr;
long result = dbNameToAddr(channelName.c_str(),&dbAddr);
if(result==0) {
channelFindRequester->channelFindResult(
Status::Ok,
channelFinder,
true);
} else {
Status notFoundStatus(Status::STATUSTYPE_ERROR,"pv not found");
channelFindRequester.get()->channelFindResult(
notFoundStatus,
channelFinder,
false);
}
return channelFinder;
}