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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/messaging/amqp/AddressHelper.h"
#include "qpid/messaging/Address.h"
#include <vector>
#include <boost/assign.hpp>
extern "C" {
#include <proton/engine.h>
}
namespace qpid {
namespace messaging {
namespace amqp {
using qpid::types::Variant;
namespace {
//policy types
const std::string CREATE("create");
const std::string ASSERT("assert");
const std::string DELETE("delete");
//policy values
const std::string ALWAYS("always");
const std::string NEVER("never");
const std::string RECEIVER("receiver");
const std::string SENDER("sender");
const std::string NODE("node");
const std::string LINK("link");
const std::string TYPE("type");
const std::string TOPIC("topic");
const std::string QUEUE("queue");
//distribution modes:
const std::string MOVE("move");
const std::string COPY("copy");
const std::string SUPPORTED_DIST_MODES("supported-dist-modes");
const std::vector<std::string> RECEIVER_MODES = boost::assign::list_of<std::string>(ALWAYS) (RECEIVER);
const std::vector<std::string> SENDER_MODES = boost::assign::list_of<std::string>(ALWAYS) (SENDER);
pn_bytes_t convert(const std::string& s)
{
pn_bytes_t result;
result.start = const_cast<char*>(s.data());
result.size = s.size();
return result;
}
bool bind(const Variant::Map& options, const std::string& name, std::string& variable)
{
Variant::Map::const_iterator j = options.find(name);
if (j == options.end()) {
return false;
} else {
variable = j->second.asString();
return true;
}
}
bool bind(const Variant::Map& options, const std::string& name, Variant::Map& variable)
{
Variant::Map::const_iterator j = options.find(name);
if (j == options.end()) {
return false;
} else {
variable = j->second.asMap();
return true;
}
}
bool bind(const Address& address, const std::string& name, std::string& variable)
{
return bind(address.getOptions(), name, variable);
}
bool bind(const Address& address, const std::string& name, Variant::Map& variable)
{
return bind(address.getOptions(), name, variable);
}
bool in(const std::string& value, const std::vector<std::string>& choices)
{
for (std::vector<std::string>::const_iterator i = choices.begin(); i != choices.end(); ++i) {
if (value == *i) return true;
}
return false;
}
}
AddressHelper::AddressHelper(const Address& address)
{
bind(address, CREATE, createPolicy);
bind(address, DELETE, deletePolicy);
bind(address, ASSERT, assertPolicy);
bind(address, NODE, node);
bind(address, LINK, link);
}
bool AddressHelper::createEnabled(CheckMode mode) const
{
return enabled(createPolicy, mode);
}
bool AddressHelper::deleteEnabled(CheckMode mode) const
{
return enabled(deletePolicy, mode);
}
bool AddressHelper::assertEnabled(CheckMode mode) const
{
return enabled(assertPolicy, mode);
}
bool AddressHelper::enabled(const std::string& policy, CheckMode mode) const
{
bool result = false;
switch (mode) {
case FOR_RECEIVER:
result = in(policy, RECEIVER_MODES);
break;
case FOR_SENDER:
result = in(policy, SENDER_MODES);
break;
}
return result;
}
const qpid::types::Variant::Map& AddressHelper::getNodeProperties() const
{
return node;
}
const qpid::types::Variant::Map& AddressHelper::getLinkProperties() const
{
return link;
}
void AddressHelper::setNodeProperties(pn_terminus_t* terminus)
{
pn_terminus_set_dynamic(terminus, true);
//properties for dynamically created node:
pn_data_t* data = pn_terminus_properties(terminus);
if (node.size()) {
pn_data_put_map(data);
pn_data_enter(data);
}
for (qpid::types::Variant::Map::const_iterator i = node.begin(); i != node.end(); ++i) {
if (i->first == TYPE) {
pn_data_put_symbol(data, convert(SUPPORTED_DIST_MODES));
pn_data_put_string(data, convert(i->second == TOPIC ? COPY : MOVE));
} else {
pn_data_put_symbol(data, convert(i->first));
pn_data_put_string(data, convert(i->second.asString()));
}
}
if (node.size()) {
pn_data_exit(data);
}
}
}}} // namespace qpid::messaging::amqp
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