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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 "MessageHandler.h"
#include "EventHandler.h"
#include "Core.h"
#include "types.h"
#include "qpid/framing/Buffer.h"
#include "qpid/framing/AMQFrame.h"
#include "qpid/framing/AllInvoker.h"
#include "qpid/broker/Broker.h"
#include "qpid/log/Statement.h"
namespace qpid {
namespace cluster {
EventHandler::EventHandler(Core& c) :
core(c),
cpg(*this), // FIXME aconway 2010-10-20: belongs on Core.
dispatcher(cpg, core.getBroker().getPoller(), boost::bind(&Core::fatal, &core)),
self(cpg.self()),
messageHandler(new MessageHandler(*this))
{
dispatcher.start(); // FIXME aconway 2010-10-20: later in initialization?
}
EventHandler::~EventHandler() {}
// Deliver CPG message.
void EventHandler::deliver(
cpg_handle_t /*handle*/,
const cpg_name* /*group*/,
uint32_t nodeid,
uint32_t pid,
void* msg,
int msg_len)
{
sender = MemberId(nodeid, pid);
framing::Buffer buf(static_cast<char*>(msg), msg_len);
framing::AMQFrame frame;
while (buf.available()) {
frame.decode(buf);
assert(frame.getBody());
QPID_LOG(trace, "cluster deliver: " << *frame.getBody());
try {
invoke(*frame.getBody());
}
catch (const std::exception& e) {
// Note: exceptions are assumed to be survivable,
// fatal errors should log a message and call Core::fatal.
QPID_LOG(error, e.what());
}
}
}
void EventHandler::invoke(const framing::AMQBody& body) {
if (framing::invoke(*messageHandler, body).wasHandled()) return;
}
// CPG config-change callback.
void EventHandler::configChange (
cpg_handle_t /*handle*/,
const cpg_name */*group*/,
const cpg_address */*members*/, int /*nMembers*/,
const cpg_address */*left*/, int /*nLeft*/,
const cpg_address */*joined*/, int /*nJoined*/)
{
// FIXME aconway 2010-10-20: TODO
}
}} // namespace qpid::cluster
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