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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "qpid/cluster/ConnectionCodec.h"
#include "qpid/cluster/Connection.h"
#include "qpid/cluster/Cluster.h"
#include "qpid/cluster/ProxyInputHandler.h"
#include "qpid/broker/Connection.h"
#include "qpid/framing/ConnectionCloseBody.h"
#include "qpid/framing/ConnectionCloseOkBody.h"
#include "qpid/log/Statement.h"
#include "qpid/memory.h"
#include <stdexcept>
#include <boost/utility/in_place_factory.hpp>
namespace qpid {
namespace cluster {
using namespace framing;
sys::ConnectionCodec*
ConnectionCodec::Factory::create(ProtocolVersion v, sys::OutputControl& out,
const std::string& id,
const qpid::sys::SecuritySettings& external)
{
broker::Broker& broker = cluster.getBroker();
if (broker.getConnectionCounter().allowConnection())
{
QPID_LOG(error, "Client max connection count limit exceeded: "
<< broker.getOptions().maxConnections << " connection refused");
return 0;
}
if (v == ProtocolVersion(0, 10))
return new ConnectionCodec(v, out, id, cluster, false, false, external);
else if (v == ProtocolVersion(0x80 + 0, 0x80 + 10)) // Catch-up connection
return new ConnectionCodec(v, out, id, cluster, true, false, external);
return 0;
}
// Used for outgoing Link connections
sys::ConnectionCodec*
ConnectionCodec::Factory::create(sys::OutputControl& out, const std::string& logId,
const qpid::sys::SecuritySettings& external) {
return new ConnectionCodec(ProtocolVersion(0,10), out, logId, cluster, false, true, external);
}
ConnectionCodec::ConnectionCodec(
const ProtocolVersion& v, sys::OutputControl& out,
const std::string& logId, Cluster& cluster, bool catchUp, bool isLink, const qpid::sys::SecuritySettings& external
) : codec(out, logId, isLink),
interceptor(new Connection(cluster, codec, logId, cluster.getId(), catchUp, isLink, external))
{
cluster.addLocalConnection(interceptor);
std::auto_ptr<sys::ConnectionInputHandler> ih(new ProxyInputHandler(interceptor));
codec.setInputHandler(ih);
codec.setVersion(v);
}
ConnectionCodec::~ConnectionCodec() {}
size_t ConnectionCodec::decode(const char* buffer, size_t size) {
return interceptor->decode(buffer, size);
}
bool ConnectionCodec::isClosed() const { return codec.isClosed(); }
size_t ConnectionCodec::encode(const char* buffer, size_t size) { return codec.encode(buffer, size); }
bool ConnectionCodec::canEncode() { return codec.canEncode(); }
void ConnectionCodec::closed() { codec.closed(); }
ProtocolVersion ConnectionCodec::getVersion() const { return codec.getVersion(); }
}} // namespace qpid::cluster
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