Exemplo n.º 1
0
void
IceInternal::RouterInfo::addProxy(const ObjectPrx& proxy)
{
    assert(proxy); // Must not be called for null proxies.

    {
        IceUtil::Mutex::Lock sync(*this);
        if(_identities.find(proxy->ice_getIdentity()) != _identities.end())
        {
            //
            // Only add the proxy to the router if it's not already in our local map.
            //
            return;
        }
    }

    ObjectProxySeq proxies;
    proxies.push_back(proxy);
    addAndEvictProxies(proxy, _router->addProxies(proxies));
}
Exemplo n.º 2
0
void
Glacier2::Blobject::invoke(ObjectPrx& proxy, const AMD_Object_ice_invokePtr& amdCB, 
                           const std::pair<const Byte*, const Byte*>& inParams, const Current& current)
{
    //
    // Set the correct facet on the proxy.
    //
    if(!current.facet.empty())
    {
        proxy = proxy->ice_facet(current.facet);
    }

    //
    // Modify the proxy according to the request id. This can
    // be overridden by the _fwd context.
    //
    if(current.requestId == 0)
    {
        if(_alwaysBatch && _requestQueue)
        {
            proxy = proxy->ice_batchOneway();
        }
        else
        {
            proxy = proxy->ice_oneway();
        }
    }
    else if(current.requestId > 0)
    {
        proxy = proxy->ice_twoway();
    }

    //
    // Modify the proxy according to the _fwd context field.
    //
    Context::const_iterator p = current.ctx.find("_fwd");
    if(p != current.ctx.end())
    {
        for(unsigned int i = 0; i < p->second.length(); ++i)
        {
            char option = p->second[i];
            switch(option)
            {
                case 't':
                {
                    proxy = proxy->ice_twoway();
                    break;
                }
                
                case 'o':
                {
                    if(_alwaysBatch && _requestQueue)
                    {
                        proxy = proxy->ice_batchOneway();
                    }
                    else
                    {
                        proxy = proxy->ice_oneway();
                    }
                    break;
                }
                
                case 'd':
                {
                    if(_alwaysBatch && _requestQueue)
                    {
                        proxy = proxy->ice_batchDatagram();
                    }
                    else
                    {
                        proxy = proxy->ice_datagram();
                    }
                    break;
                }
                
                case 'O':
                {
                    if(_requestQueue)
                    {
                        proxy = proxy->ice_batchOneway();
                    }
                    else
                    {
                        proxy = proxy->ice_oneway();
                    }
                    break;
                }
                
                case 'D':
                {
                    if(_requestQueue)
                    {
                        proxy = proxy->ice_batchDatagram();
                    }
                    else
                    {
                        proxy = proxy->ice_datagram();
                    }
                    break;
                }
                
                case 's':
                {
                    proxy = proxy->ice_secure(true);
                    break;
                }
                
                case 'z':
                {
                    proxy = proxy->ice_compress(true);
                    break;
                }
                
                default:
                {
                    Warning out(_instance->logger());
                    out << "unknown forward option `" << option << "'";
                    break;
                }
            }
        }
    }
    
    if(_requestTraceLevel >= 1)
    {
        Trace out(_instance->logger(), "Glacier2");
        if(_reverseConnection)
        {
            out << "reverse ";
        }
        out << "routing";
        if(_requestQueue)
        {
            out << " (buffered)";
        }
        else
        {
            out << " (not buffered)";
        }
        if(_reverseConnection)
        {
            out << "\nidentity = " << _instance->communicator()->identityToString(proxy->ice_getIdentity());
        }
        else
        {
            out << "\nproxy = " << _instance->communicator()->proxyToString(proxy);
        }
        out << "\noperation = " << current.operation;
        out << "\ncontext = ";
        Context::const_iterator q = current.ctx.begin();
        while(q != current.ctx.end())
        {
            out << q->first << '/' << q->second;
            if(++q != current.ctx.end())
            {
                out << ", ";
            }
        }
    }

    if(_requestQueue)
    {    
        //
        // If we are in buffered mode, we create a new request and add
        // it to the request queue. If the request is twoway, we use
        // AMI.
        //

        bool override;
        try
        {
            override = _requestQueue->addRequest(new Request(proxy, inParams, current, _forwardContext, _context,
                                                             amdCB));
        }
        catch(const ObjectNotExistException& ex)
Exemplo n.º 3
0
Glacier2::PermissionsVerifierPrx
RegistryI::getPermissionsVerifier(const ObjectAdapterPtr& adapter, 
                                  const IceGrid::LocatorPrx& locator,
                                  const string& verifierProperty,
                                  const string& passwordsProperty)
{
    //
    // Get the permissions verifier, or create a default one if no
    // verifier is specified.
    //

    ObjectPrx verifier;
    string verifierPropertyValue = _communicator->getProperties()->getProperty(verifierProperty);
    if(!verifierPropertyValue.empty())
    {
        try
        {
            try
            {
                verifier = _communicator->propertyToProxy(verifierProperty);
            }
            catch(const ProxyParseException&)
            {
                //
                // Check if the property is just the identity of the null permissions verifier
                // (the identity might contain spaces which would prevent it to be parsed as a
                // proxy).
                //
                if(_communicator->stringToIdentity(verifierPropertyValue) ==
                   _nullPermissionsVerifier->ice_getIdentity())
                {
                    verifier = _communicator->stringToProxy("\"" + verifierPropertyValue + "\"");
                }
            }

            if(!verifier)
            {
                Error out(_communicator->getLogger());
                out << "permissions verifier `" + verifierPropertyValue + "' is invalid";
                return 0;
            }
            assert(_nullPermissionsVerifier);

            if(verifier->ice_getIdentity() == _nullPermissionsVerifier->ice_getIdentity())
            {
                verifier = _nullPermissionsVerifier;
            }
        }
        catch(const LocalException& ex)
        {
            Error out(_communicator->getLogger());
            out << "permissions verifier `" + verifierPropertyValue + "' is invalid:\n" << ex;
            return 0;
        }
    }
    else if(!passwordsProperty.empty())
    {
        //
        // No nativeToUTF8 conversion necessary here, since no string
        // converter is installed by IceGrid the string is UTF-8.
        //
        IceUtilInternal::ifstream passwordFile(passwordsProperty);
        if(!passwordFile)
        {
            Error out(_communicator->getLogger());
            string err = strerror(errno);
            out << "cannot open `" + passwordsProperty + "' for reading: " + err;
            return 0;
        }

        map<string, string> passwords;

        while(true)
        {
            string userId;
            passwordFile >> userId;
            if(!passwordFile)
            {
                break;
            }

            string password;
            passwordFile >> password;
            if(!passwordFile)
            {
                break;
            }

            assert(!userId.empty());
            assert(!password.empty());
            passwords.insert(make_pair(userId, password));
        }

        verifier = adapter->addWithUUID(new CryptPermissionsVerifierI(passwords));
    }
Exemplo n.º 4
0
Glacier2::PermissionsVerifierPrx
RegistryI::getPermissionsVerifier(const ObjectAdapterPtr& adapter, 
                                  const IceGrid::LocatorPrx& locator,
                                  const string& verifierProperty,
                                  const string& passwordsProperty,
                                  bool nowarn)
{
    //
    // Get the permissions verifier, or create a default one if no
    // verifier is specified.
    //

    ObjectPrx verifier;
    string verifierPropertyValue = _communicator->getProperties()->getProperty(verifierProperty);
    if(!verifierPropertyValue.empty())
    {
        try
        {
            verifier = _communicator->propertyToProxy(verifierProperty);
            if(!verifier)
            {
                Error out(_communicator->getLogger());
                out << "permissions verifier `" + verifierPropertyValue + "' is invalid";
                return 0;
            }
            assert(_nullPermissionsVerifier);
            if(verifier->ice_getIdentity() == _nullPermissionsVerifier->ice_getIdentity())
            {
                verifier = _nullPermissionsVerifier;
            }
        }
        catch(const LocalException& ex)
        {
            Error out(_communicator->getLogger());
            out << "permissions verifier `" + verifierPropertyValue + "' is invalid:\n" << ex;
            return 0;
        }
    }
    else if(!passwordsProperty.empty())
    {
        ifstream passwordFile(passwordsProperty.c_str());
        if(!passwordFile)
        {
            Error out(_communicator->getLogger());
            string err = strerror(errno);
            out << "cannot open `" + passwordsProperty + "' for reading: " + err;
            return 0;
        }

        map<string, string> passwords;

        while(true)
        {
            string userId;
            passwordFile >> userId;
            if(!passwordFile)
            {
                break;
            }

            string password;
            passwordFile >> password;
            if(!passwordFile)
            {
                break;
            }

            assert(!userId.empty());
            assert(!password.empty());
            passwords.insert(make_pair(userId, password));
        }

        verifier = adapter->addWithUUID(new CryptPermissionsVerifierI(passwords));
    }
Exemplo n.º 5
0
ObjectProxySeq
Glacier2::RoutingTable::add(const ObjectProxySeq& unfiltered, const Current& current)
{
    IceUtil::Mutex::Lock sync(*this);

    size_t sz = _map.size();

    //
    // We 'pre-scan' the list, applying our validation rules. The
    // ensures that our state is not modified if this operation results
    // in a rejection.
    //
    ObjectProxySeq proxies; 
    for(ObjectProxySeq::const_iterator prx = unfiltered.begin(); prx != unfiltered.end(); ++prx)
    {
        if(!*prx) // We ignore null proxies.
        {
            continue;
        }

        if(!_verifier->verify(*prx))
        {
            current.con->close(true);
            throw ObjectNotExistException(__FILE__, __LINE__);
        }
        ObjectPrx proxy = (*prx)->ice_twoway()->ice_secure(false)->ice_facet(""); // We add proxies in default form.
        proxies.push_back(proxy);
    }

    ObjectProxySeq evictedProxies;
    for(ObjectProxySeq::const_iterator prx = proxies.begin(); prx != proxies.end(); ++prx)
    {
        ObjectPrx proxy = *prx;
        EvictorMap::iterator p = _map.find(proxy->ice_getIdentity());
        
        if(p == _map.end())
        {
            if(_traceLevel == 1 || _traceLevel >= 3)
            {
                Trace out(_communicator->getLogger(), "Glacier2");
                out << "adding proxy to routing table:\n" << _communicator->proxyToString(proxy);
            }
            
            EvictorEntryPtr entry = new EvictorEntry;
            p = _map.insert(_map.begin(), pair<const Identity, EvictorEntryPtr>(proxy->ice_getIdentity(), entry));
            EvictorQueue::iterator q = _queue.insert(_queue.end(), p);
            entry->proxy = proxy;
            entry->pos = q;
        }
        else
        {
            if(_traceLevel == 1 || _traceLevel >= 3)
            {
                Trace out(_communicator->getLogger(), "Glacier2");
                out << "proxy already in routing table:\n" << _communicator->proxyToString(proxy);
            }
            
            EvictorEntryPtr entry = p->second;
            _queue.erase(entry->pos);
            EvictorQueue::iterator q = _queue.insert(_queue.end(), p);
            entry->pos = q;
        }
        
        while(static_cast<int>(_map.size()) > _maxSize)
        {
            p = _queue.front();
            
            if(_traceLevel >= 2)
            {
                Trace out(_communicator->getLogger(), "Glacier2");
                out << "evicting proxy from routing table:\n" << _communicator->proxyToString(p->second->proxy);
            }
            
            evictedProxies.push_back(p->second->proxy);

            _map.erase(p);
            _queue.pop_front();
        }
    }

    if(_observer)
    {
        _observer->routingTableSize(static_cast<Ice::Int>(_map.size()) - static_cast<Ice::Int>(sz));
    }

    return evictedProxies;
}