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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/broker/SessionHandler.h"
#include "qpid/broker/SessionState.h"
#include "qpid/broker/Connection.h"
#include "qpid/log/Statement.h"
#include <boost/bind.hpp>
namespace qpid {
namespace broker {
using namespace framing;
using namespace std;
using namespace qpid::sys;
SessionHandler::SessionHandler(Connection& c, ChannelId ch)
: amqp_0_10::SessionHandler(&c.getOutput(), ch),
connection(c),
proxy(out),
clusterOrderProxy(c.getClusterOrderOutput() ? new SetChannelProxy(ch, c.getClusterOrderOutput()) : 0)
{}
SessionHandler::~SessionHandler() {}
namespace {
ClassId classId(AMQMethodBody* m) { return m ? m->amqpMethodId() : 0; }
MethodId methodId(AMQMethodBody* m) { return m ? m->amqpClassId() : 0; }
} // namespace
void SessionHandler::connectionException(framing::connection::CloseCode code, const std::string& msg) {
// NOTE: must tell the error listener _before_ calling connection.close()
if (connection.getErrorListener()) connection.getErrorListener()->connectionError(msg);
connection.close(code, msg);
}
void SessionHandler::channelException(framing::session::DetachCode, const std::string& msg) {
if (connection.getErrorListener()) connection.getErrorListener()->sessionError(getChannel(), msg);
}
void SessionHandler::executionException(framing::execution::ErrorCode, const std::string& msg) {
if (connection.getErrorListener()) connection.getErrorListener()->sessionError(getChannel(), msg);
}
ConnectionState& SessionHandler::getConnection() { return connection; }
const ConnectionState& SessionHandler::getConnection() const { return connection; }
void SessionHandler::handleDetach() {
amqp_0_10::SessionHandler::handleDetach();
assert(&connection.getChannel(channel.get()) == this);
if (session.get())
connection.getBroker().getSessionManager().detach(session);
assert(!session.get());
connection.closeChannel(channel.get());
}
void SessionHandler::setState(const std::string& name, bool force) {
assert(!session.get());
SessionId id(connection.getUserId(), name);
session = connection.broker.getSessionManager().attach(*this, id, force);
}
void SessionHandler::detaching()
{
assert(session.get());
session->disableOutput();
}
FrameHandler* SessionHandler::getInHandler() { return session.get() ? &session->in : 0; }
qpid::SessionState* SessionHandler::getState() { return session.get(); }
void SessionHandler::readyToSend() {
if (session.get()) session->readyToSend();
}
/**
* Used by inter-broker bridges to set up session id and attach
*/
void SessionHandler::attachAs(const std::string& name)
{
SessionId id(connection.getUserId(), name);
SessionState::Configuration config = connection.broker.getSessionManager().getSessionConfig();
// Delay creating management object till attached(). In a cluster,
// only the active link broker calls attachAs but all brokers
// receive the subsequent attached() call.
session.reset(new SessionState(connection.getBroker(), *this, id, config, true));
sendAttach(false);
}
/**
* TODO: this is a little ugly, fix it; its currently still relied on
* for 'push' bridges
*/
void SessionHandler::attached(const std::string& name)
{
if (session.get()) {
session->addManagementObject(); // Delayed from attachAs()
amqp_0_10::SessionHandler::attached(name);
} else {
SessionId id(connection.getUserId(), name);
SessionState::Configuration config = connection.broker.getSessionManager().getSessionConfig();
session.reset(new SessionState(connection.getBroker(), *this, id, config));
markReadyToSend();
}
}
}} // namespace qpid::broker
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