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// $Id$
#include "GroupInfoPublisher.h"
#include "../Utils/resolve_init.h"
#include "IOGR_Maker.h"
#include "Identification_Service.h"
#include "FTEC_Become_Primary_Listener.h"
#include "../Utils/Log.h"
ACE_RCSID (EventChannel,
GroupInfoPublisher,
"$Id$")
GroupInfoPublisherBase::GroupInfoPublisherBase()
: info_(new Info)
{
info_->primary = false;
}
void
GroupInfoPublisherBase::subscribe(TAO_FTEC_Become_Primary_Listener* listener)
{
subscribers_.push_back(listener);
}
void GroupInfoPublisherBase::set_naming_context(CosNaming::NamingContext_var naming_context)
{
naming_context_ = naming_context;
}
bool
GroupInfoPublisherBase::is_primary() const
{
return info_->primary;
}
CORBA::Object_var
GroupInfoPublisherBase::group_reference() const
{
return info_->iogr;
}
FtRtecEventChannelAdmin::EventChannel_var
GroupInfoPublisherBase::successor() const
{
return info_->successor;
}
const GroupInfoPublisherBase::BackupList&
GroupInfoPublisherBase::backups() const
{
return info_->backups;
}
GroupInfoPublisherBase::Info_ptr
GroupInfoPublisherBase::setup_info(const FTRT::ManagerInfoList & info_list,
int my_position
ACE_ENV_ARG_DECL)
{
Info_ptr result(new Info);
result->primary = (my_position == 0);
/// create the object group
size_t len = info_list.length();
TAO_IOP::TAO_IOR_Manipulation::IORList iors;
iors.length(len);
size_t i;
for (i = 0; i < len; ++i) {
iors[i] = CORBA::Object::_duplicate(info_list[i].ior.in());
}
CORBA::Object_var obj =
IOGR_Maker::instance()->make_iogr(iors ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
result->iogr =
::FtRtecEventChannelAdmin::EventChannel::_narrow(obj.in()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
/// check if sucessor changed
size_t successors_length = info_list.length() - my_position -1;
if (successors_length != info_->backups.length()) {
// successor changed, update successor
iors.length(successors_length);
for (i = 0; i < successors_length; ++i) {
iors[i] = CORBA::Object::_duplicate(info_list[i+ my_position+1].ior.in());
}
obj = IOGR_Maker::instance()->merge_iors(iors
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
result->successor =
FtRtecEventChannelAdmin::EventChannel::_narrow(obj.in()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
else {
result->successor = info_->successor;
}
// update backups
result->backups.length(successors_length);
for (i = 0; i < successors_length; ++i) {
result->backups[i] =
FtRtecEventChannelAdmin::EventChannel::_narrow(
info_list[i+ my_position+1].ior.in()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
return result;
}
void
GroupInfoPublisherBase::update_info(GroupInfoPublisherBase::Info_ptr info)
{
if (info->primary) {
if (!info_->primary) {
// now we become the primary, notify the subscribers
for (size_t i = 0; i < subscribers_.size(); ++i)
subscribers_[i]->become_primary();
}
if (!CORBA::is_nil(naming_context_.in())) {
TAO_FTRTEC::Log(1, "Registering to the Name Service\n");
ACE_TRY_NEW_ENV {
naming_context_->rebind(FTRTEC::Identification_Service::instance()->name(),
info->iogr.in() ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHALL {
/// there's nothing we can do if the naming service is down
}
ACE_ENDTRY;
}
}
info_ = info;
}
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