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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <Glacier2/FilterManager.h>
#include <Glacier2/RoutingTable.h>
#include <Glacier2/RouterI.h>
#include <Glacier2/Session.h>
#include<random>
using namespace std;
using namespace Ice;
using namespace Glacier2;
Glacier2::RouterI::RouterI(shared_ptr<Instance> instance, shared_ptr<Connection> connection,
const string& userId, shared_ptr<SessionPrx> session,
const Identity& controlId, shared_ptr<FilterManager> filters,
const Context& context) :
_instance(move(instance)),
_routingTable(make_shared<RoutingTable>(_instance->communicator(), _instance->proxyVerifier())),
_clientBlobject(make_shared<ClientBlobject>(_instance, move(filters), context, _routingTable)),
_clientBlobjectBuffered(_instance->clientRequestQueueThread()),
_serverBlobjectBuffered(_instance->serverRequestQueueThread()),
_connection(move(connection)),
_userId(userId),
_session(move(session)),
_controlId(controlId),
_context(context),
_timestamp(chrono::steady_clock::now())
{
//
// If Glacier2 will be used with pre 3.2 clients, then the client proxy must be set.
// Otherwise getClientProxy just needs to return a nil proxy.
//
if(_instance->properties()->getPropertyAsInt("Glacier2.ReturnClientProxy") > 0)
{
const_cast<shared_ptr<ObjectPrx>&>(_clientProxy) =
_instance->clientObjectAdapter()->createProxy(stringToIdentity("dummy"));
}
if(_instance->serverObjectAdapter())
{
Identity ident = { "dummy", "" };
random_device rd;
mt19937 gen(rd());
uniform_int_distribution<> dist(33, 126); // We use ASCII 33-126 (from ! to ~, w/o space).
for(unsigned int i = 0; i < 20; ++i)
{
ident.category.push_back(static_cast<char>(dist(gen)));
}
const_cast<shared_ptr<ObjectPrx>&>(_serverProxy) = _instance->serverObjectAdapter()->createProxy(ident);
shared_ptr<ServerBlobject>& serverBlobject = const_cast<shared_ptr<ServerBlobject>&>(_serverBlobject);
serverBlobject = make_shared<ServerBlobject>(_instance, _connection);
}
if(_instance->getObserver())
{
updateObserver(_instance->getObserver());
}
}
void
Glacier2::RouterI::destroy(function<void(exception_ptr)> error)
{
if(_session)
{
if(_instance->serverObjectAdapter())
{
try
{
//
// Remove the session control object.
//
_instance->serverObjectAdapter()->remove(_controlId);
}
catch(const NotRegisteredException&)
{
}
catch(const ObjectAdapterDeactivatedException&)
{
//
// Expected if the router has been shutdown.
//
}
}
if(_context.size() > 0)
{
_session->destroyAsync(nullptr, move(error), nullptr, _context);
}
else
{
_session->destroyAsync(nullptr, move(error), nullptr);
}
}
_clientBlobject->destroy();
if(_serverBlobject)
{
_serverBlobject->destroy();
}
_routingTable->destroy();
}
shared_ptr<ObjectPrx>
Glacier2::RouterI::getClientProxy(Ice::optional<bool>& hasRoutingTable, const Current&) const
{
// No mutex lock necessary, _clientProxy is immutable and is never destroyed.
hasRoutingTable = true;
return _clientProxy;
}
shared_ptr<ObjectPrx>
Glacier2::RouterI::getServerProxy(const Current&) const
{
// No mutex lock necessary, _serverProxy is immutable and is never destroyed.
return _serverProxy;
}
ObjectProxySeq
Glacier2::RouterI::addProxies(ObjectProxySeq proxies, const Current& current)
{
return _routingTable->add(move(proxies), current);
}
string
Glacier2::RouterI::getCategoryForClient(const Current&) const
{
assert(false); // Must not be called in this router implementation.
return 0;
}
void
Glacier2::RouterI::createSessionAsync(string, string,
function<void(const shared_ptr<SessionPrx>& returnValue)>,
function<void(exception_ptr)>, const Current&)
{
assert(false); // Must not be called in this router implementation.
}
void
Glacier2::RouterI::createSessionFromSecureConnectionAsync(function<void(const shared_ptr<SessionPrx>& returnValue)>,
function<void(exception_ptr)>, const Current&)
{
assert(false); // Must not be called in this router implementation.
}
void
Glacier2::RouterI::refreshSessionAsync(function<void()>, function<void(exception_ptr)>, const Current&)
{
assert(false); // Must not be called in this router implementation.
}
void
Glacier2::RouterI::destroySession(const Current&)
{
assert(false); // Must not be called in this router implementation.
}
Long
Glacier2::RouterI::getSessionTimeout(const Current&) const
{
assert(false); // Must not be called in this router implementation.
return 0;
}
Int
Glacier2::RouterI::getACMTimeout(const Current&) const
{
assert(false); // Must not be called in this router implementation.
return 0;
}
shared_ptr<ClientBlobject>
Glacier2::RouterI::getClientBlobject() const
{
// Can only be called with the SessionRouterI mutex locked
if(!_clientBlobjectBuffered && _observer)
{
_observer->forwarded(true);
}
return _clientBlobject;
}
shared_ptr<ServerBlobject>
Glacier2::RouterI::getServerBlobject() const
{
// Can only be called with the SessionRouterI mutex locked
if(!_serverBlobjectBuffered && _observer)
{
_observer->forwarded(false);
}
return _serverBlobject;
}
shared_ptr<SessionPrx>
Glacier2::RouterI::getSession() const
{
return _session; // No mutex lock necessary, _session is immutable.
}
chrono::steady_clock::time_point
Glacier2::RouterI::getTimestamp() const
{
// Can only be called with the SessionRouterI mutex locked
return _timestamp;
}
void
Glacier2::RouterI::updateTimestamp() const
{
// Can only be called with the SessionRouterI mutex locked
_timestamp = chrono::steady_clock::now();
}
void
Glacier2::RouterI::updateObserver(const shared_ptr<Glacier2::Instrumentation::RouterObserver>& observer)
{
// Can only be called with the SessionRouterI mutex locked
_observer = _routingTable->updateObserver(observer, _userId, _connection);
_clientBlobject->updateObserver(_observer);
if(_serverBlobject)
{
_serverBlobject->updateObserver(_observer);
}
}
string
Glacier2::RouterI::toString() const
{
ostringstream out;
out << "id = " << _userId << '\n';
if(_serverProxy)
{
out << "category = " << _serverProxy->ice_getIdentity().category << '\n';
}
out << _connection->toString();
return out.str();
}
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