void
RemoteRegistrator::redoRegistration()
{
NFD_LOG_INFO("redo " << m_regEntries.size()
<< " registration when new Hub connection is built.");
for (auto&& entry : m_regEntries)
{
// make copies to avoid unreasonable overwrite.
ControlParameters parameters = m_controlParameters;
CommandOptions options = m_commandOptions;
startRegistration(parameters.setName(entry.first),
options.setSigningIdentity(entry.first),
m_nRetries);
}
}
void
RemoteRegistrator::unregisterPrefix(const Name& prefix)
{
if (prefix == REMOTE_HUB_PREFIX)
{
NFD_LOG_INFO("disconnected to hub with prefix: " << prefix);
// for phase 1: suppose there is at most one hub connected.
// if the hub prefix has been unregistered locally, there may
// be no connected hub.
m_hasConnectedHub = false;
clearRefreshEvents();
return;
}
if (!m_hasConnectedHub)
{
NFD_LOG_INFO("no hub connected when unregistering " << prefix);
return;
}
std::pair<Name, size_t> identity = findIdentityForRegistration(prefix);
if (0 == identity.second)
{
NFD_LOG_INFO("no proper identity found for unregistering " << prefix);
return;
}
Name prefixForRegistration;
if (identity.first.size() == identity.second)
{
prefixForRegistration = identity.first;
}
else
{
prefixForRegistration = identity.first.getPrefix(-1);
}
RegisteredEntryIt iRegEntry = m_regEntries.find(prefixForRegistration);
if (m_regEntries.end() == iRegEntry)
{
NFD_LOG_INFO("no existing entry found when unregistering " << prefix);
return;
}
for (auto&& entry : m_rib)
{
if (prefixForRegistration.isPrefixOf(entry.first) &&
findIdentityForRegistration(entry.first) == identity)
{
NFD_LOG_INFO("this identity should be kept for other rib entry: "
<< entry.first);
return;
}
}
scheduler::cancel(iRegEntry->second);
m_regEntries.erase(iRegEntry);
// make copies of m_controlParameters and m_commandOptions to
// avoid unreasonable overwriting during concurrent registration
// and unregistration.
ControlParameters parameters = m_controlParameters;
CommandOptions options = m_commandOptions;
startUnregistration(parameters.setName(prefixForRegistration).unsetCost(),
options.setSigningIdentity(identity.first),
m_nRetries);
}
void
RemoteRegistrator::registerPrefix(const Name& prefix)
{
if (LOCAL_REGISTRATION_PREFIX.isPrefixOf(prefix))
{
NFD_LOG_INFO("local registration only for " << prefix);
return;
}
bool isHubPrefix = prefix == REMOTE_HUB_PREFIX;
if (isHubPrefix)
{
NFD_LOG_INFO("this is a prefix registered by some hub: " << prefix);
m_hasConnectedHub = true;
redoRegistration();
return;
}
if (!m_hasConnectedHub)
{
NFD_LOG_INFO("no hub connected when registering " << prefix);
return;
}
std::pair<Name, size_t> identity = findIdentityForRegistration(prefix);
if (0 == identity.second)
{
NFD_LOG_INFO("no proper identity found for registering " << prefix);
return;
}
Name prefixForRegistration;
if (identity.first.size() == identity.second)
{
prefixForRegistration = identity.first;
}
else
{
prefixForRegistration = identity.first.getPrefix(-1);
}
if (m_regEntries.find(prefixForRegistration) != m_regEntries.end())
{
NFD_LOG_INFO("registration already in process for " << prefix);
return;
}
// make copies of m_controlParameters and m_commandOptions to
// avoid unreasonable overwriting during concurrent registration
// and unregistration.
ControlParameters parameters = m_controlParameters;
CommandOptions options = m_commandOptions;
startRegistration(parameters.setName(prefixForRegistration),
options.setSigningIdentity(identity.first),
m_nRetries);
}
