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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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 "test_tools.h"
#include "unit_test.h"
#include "ForkedBroker.h"
#include "BrokerFixture.h"
#include "qpid/cluster/Cpg.h"
#include "qpid/cluster/Cluster.h"
#include "qpid/framing/AMQBody.h"
#include "qpid/client/Connection.h"
#include "qpid/client/Session.h"
#include "qpid/framing/Uuid.h"
#include <boost/bind.hpp>
#include <boost/ptr_container/ptr_vector.hpp>
#include <string>
#include <iostream>
#include <iterator>
#include <vector>
#include <algorithm>
namespace qpid {
namespace cluster {
boost::intrusive_ptr<Cluster> getGlobalCluster(); // Defined in qpid/cluster/ClusterPlugin.cpp
}} // namespace qpid::cluster
QPID_AUTO_TEST_SUITE(CpgTestSuite)
using namespace std;
using namespace qpid;
using namespace qpid::cluster;
using namespace qpid::framing;
using namespace qpid::client;
using qpid::broker::Broker;
using boost::ptr_vector;
using qpid::cluster::Cluster;
using qpid::cluster::getGlobalCluster;
/** Cluster fixture is a vector of ports for the replicas.
* Replica 0 is in the current process, all others are forked as children.
*/
struct ClusterFixture : public vector<uint16_t> {
string name;
Broker::Options opts;
std::auto_ptr<BrokerFixture> broker0;
boost::ptr_vector<ForkedBroker> forkedBrokers;
ClusterFixture(size_t n);
void add(size_t n) { for (size_t i=0; i < n; ++i) add(); }
void add();
void setup();
};
ClusterFixture::ClusterFixture(size_t n) : name(Uuid(true).str()) {
add(n);
// Wait for all n members to join the cluster
int retry=20; // TODO aconway 2008-07-16: nasty sleeps, clean this up.
while (retry && getGlobalCluster()->size() != n) {
::sleep(1);
--retry;
}
BOOST_REQUIRE_EQUAL(n, getGlobalCluster()->size());
}
void ClusterFixture::add() {
std::ostringstream os;
os << "broker" << size();
std::string prefix = os.str();
const char* argv[] = {
"qpidd " __FILE__ ,
"--load-module=../.libs/libqpidcluster.so",
"--cluster-name", name.c_str(),
"--auth=no", "--no-data-dir",
"--log-prefix", prefix.c_str(),
};
size_t argc = sizeof(argv)/sizeof(argv[0]);
if (size()) { // Not the first broker, fork.
forkedBrokers.push_back(new ForkedBroker(argc, argv));
push_back(forkedBrokers.back().getPort());
}
else { // First broker, run in this process.
Broker::Options opts;
Plugin::addOptions(opts); // Pick up cluster options.
opts.parse(argc, argv, "", true); // Allow-unknown for --load-module
broker0.reset(new BrokerFixture(opts));
push_back(broker0->getPort());
}
}
// For debugging: op << for CPG types.
ostream& operator<<(ostream& o, const cpg_name* n) {
return o << qpid::cluster::Cpg::str(*n);
}
ostream& operator<<(ostream& o, const cpg_address& a) {
return o << "(" << a.nodeid <<","<<a.pid<<","<<a.reason<<")";
}
template <class T>
ostream& operator<<(ostream& o, const pair<T*, int>& array) {
o << "{ ";
ostream_iterator<cpg_address> i(o, " ");
copy(array.first, array.first+array.second, i);
o << "}";
return o;
}
struct Callback : public Cpg::Handler {
Callback(const string group_) : group(group_) {}
string group;
vector<string> delivered;
vector<int> configChanges;
void deliver (
cpg_handle_t /*handle*/,
struct cpg_name *grp,
uint32_t /*nodeid*/,
uint32_t /*pid*/,
void* msg,
int msg_len)
{
BOOST_CHECK_EQUAL(group, Cpg::str(*grp));
delivered.push_back(string((char*)msg,msg_len));
}
void configChange(
cpg_handle_t /*handle*/,
struct cpg_name *grp,
struct cpg_address */*members*/, int nMembers,
struct cpg_address */*left*/, int nLeft,
struct cpg_address */*joined*/, int nJoined
)
{
BOOST_CHECK_EQUAL(group, Cpg::str(*grp));
configChanges.push_back(nMembers);
BOOST_MESSAGE("configChange: "<<
nLeft<<" left "<<
nJoined<<" joined "<<
nMembers<<" members.");
}
};
QPID_AUTO_TEST_CASE(testForkedBroker) {
// Verify the ForkedBroker works as expected.
const char* argv[] = { "", "--auth=no", "--no-data-dir", "--log-prefix=testForkedBroker" };
ForkedBroker broker(sizeof(argv)/sizeof(argv[0]), argv);
Client c(broker.getPort());
BOOST_CHECK_EQUAL("direct", c.session.exchangeQuery("amq.direct").getType());
}
QPID_AUTO_TEST_CASE(testWiringReplication) {
ClusterFixture cluster(3);
Client c0(cluster[0]);
BOOST_CHECK(c0.session.queueQuery("q").getQueue().empty());
BOOST_CHECK(c0.session.exchangeQuery("ex").getType().empty());
c0.session.queueDeclare("q");
c0.session.exchangeDeclare("ex", arg::type="direct");
c0.session.close();
c0.connection.close();
// Verify all brokers get wiring update.
for (size_t i = 0; i < cluster.size(); ++i) {
BOOST_MESSAGE("i == "<< i);
Client c(cluster[i]);
BOOST_CHECK_EQUAL("q", c.session.queueQuery("q").getQueue());
BOOST_CHECK_EQUAL("direct", c.session.exchangeQuery("ex").getType());
}
}
QPID_AUTO_TEST_CASE(testMessageEnqueue) {
// Enqueue on one broker, dequeue on another.
ClusterFixture cluster(2);
Client c0(cluster[0]);
c0.session.queueDeclare("q");
c0.session.messageTransfer(arg::content=TransferContent("foo", "q"));
c0.session.messageTransfer(arg::content=TransferContent("bar", "q"));
c0.session.close();
Client c1(cluster[1]);
Message msg;
BOOST_CHECK(c1.subs.get(msg, "q", qpid::sys::TIME_SEC));
BOOST_CHECK_EQUAL(string("foo"), msg.getData());
BOOST_CHECK(c1.subs.get(msg, "q", qpid::sys::TIME_SEC));
BOOST_CHECK_EQUAL(string("bar"), msg.getData());
}
QPID_AUTO_TEST_CASE(testMessageDequeue) {
// Enqueue on one broker, dequeue on two others.
ClusterFixture cluster (3);
Client c0(cluster[0]);
c0.session.queueDeclare("q");
c0.session.messageTransfer(arg::content=TransferContent("foo", "q"));
c0.session.messageTransfer(arg::content=TransferContent("bar", "q"));
Message msg;
// Dequeue on 2 others, ensure correct order.
Client c1(cluster[1]);
BOOST_CHECK(c1.subs.get(msg, "q"));
BOOST_CHECK_EQUAL("foo", msg.getData());
Client c2(cluster[2]);
BOOST_CHECK(c1.subs.get(msg, "q"));
BOOST_CHECK_EQUAL("bar", msg.getData());
// Queue should be empty on all cluster members.
BOOST_CHECK_EQUAL(0u, c0.session.queueQuery("q").getMessageCount());
BOOST_CHECK_EQUAL(0u, c1.session.queueQuery("q").getMessageCount());
BOOST_CHECK_EQUAL(0u, c2.session.queueQuery("q").getMessageCount());
}
QPID_AUTO_TEST_CASE(testDequeueWaitingSubscription) {
ClusterFixture cluster(3);
// First start a subscription.
Client c0(cluster[0]);
c0.session.queueDeclare("q");
c0.subs.subscribe(c0.lq, "q", FlowControl::messageCredit(2));
// Now send messages
Client c1(cluster[1]);
c1.session.messageTransfer(arg::content=TransferContent("foo", "q"));
c1.session.messageTransfer(arg::content=TransferContent("bar", "q"));
// Check they arrived
Message m;
BOOST_CHECK(c0.lq.get(m, sys::TIME_SEC));
BOOST_CHECK_EQUAL("foo", m.getData());
BOOST_CHECK(c0.lq.get(m, sys::TIME_SEC));
BOOST_CHECK_EQUAL("bar", m.getData());
// Queue should be empty on all cluster members.
Client c2(cluster[2]);
BOOST_CHECK_EQUAL(0u, c0.session.queueQuery("q").getMessageCount());
BOOST_CHECK_EQUAL(0u, c1.session.queueQuery("q").getMessageCount());
BOOST_CHECK_EQUAL(0u, c2.session.queueQuery("q").getMessageCount());
}
QPID_AUTO_TEST_SUITE_END()
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