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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 "UpdateDataExchange.h"
#include "qpid/amqp_0_10/Codecs.h"
#include "qpid/broker/Deliverable.h"
#include "qpid/broker/Message.h"
#include "qpid/log/Statement.h"
#include "qpid/management/ManagementAgent.h"
#include "qpid/types/Variant.h"
namespace qpid {
namespace cluster {
const std::string UpdateDataExchange::EXCHANGE_NAME("qpid.cluster-update-data");
const std::string UpdateDataExchange::EXCHANGE_TYPE("qpid.cluster-update-data");
const std::string UpdateDataExchange::MANAGEMENT_AGENTS_KEY("management-agents");
const std::string UpdateDataExchange::MANAGEMENT_SCHEMAS_KEY("management-schemas");
const std::string UpdateDataExchange::MANAGEMENT_DELETED_OBJECTS_KEY("management-deleted-objects");
UpdateDataExchange::UpdateDataExchange(management::Manageable* parent,
management::ManagementAgent* agent_) :
Exchange(EXCHANGE_NAME, parent),
agent(agent_)
{}
void UpdateDataExchange::route(broker::Deliverable& msg, const std::string& routingKey,
const qpid::framing::FieldTable* )
{
std::string data = msg.getMessage().getFrames().getContent();
if (routingKey == MANAGEMENT_AGENTS_KEY)
managementAgents(data);
else if (routingKey == MANAGEMENT_SCHEMAS_KEY)
managementSchemas(data);
else if (routingKey == MANAGEMENT_DELETED_OBJECTS_KEY)
managementDeletedObjects(data);
else
throw Exception(
QPID_MSG("Cluster update-data exchange received unknown routing-key: "
<< routingKey));
}
void UpdateDataExchange::managementAgents(const std::string& data) {
if (!agent)
throw Exception(
QPID_MSG("Received management agent update but management is disabled."));
framing::Buffer buf(const_cast<char*>(data.data()), data.size());
agent->importAgents(buf);
QPID_LOG(debug, " Updated management agents.");
}
void UpdateDataExchange::managementSchemas(const std::string& data) {
if (!agent)
throw Exception(
QPID_MSG("Received management schema update but management is disabled."));
framing::Buffer buf(const_cast<char*>(data.data()), data.size());
agent->importSchemas(buf);
QPID_LOG(debug, " Updated management schemas");
}
void UpdateDataExchange::managementDeletedObjects(const std::string& data) {
using amqp_0_10::ListCodec;
using types::Variant;
if (!agent)
throw Exception(
QPID_MSG("Management agent update but management not enabled."));
Variant::List encoded;
ListCodec::decode(data, encoded);
management::ManagementAgent::DeletedObjectList objects;
for (Variant::List::iterator i = encoded.begin(); i != encoded.end(); ++i) {
objects.push_back(management::ManagementAgent::DeletedObject::shared_ptr(
new management::ManagementAgent::DeletedObject(*i)));
}
agent->importDeletedObjects(objects);
QPID_LOG(debug, " Updated management deleted objects.");
}
}} // namespace qpid::cluster
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