Client-side support for amq.faiover exchange. Connection::getKnownBrokers provides latest list.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@703237 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 24 insertions, 44 deletions

diff --git a/cpp/src/tests/cluster_test.cpp b/cpp/src/tests/cluster_test.cpp
index 5cfcbc262d..5b9657c2c7 100644
--- a/cpp/src/tests/cluster_test.cpp
+++ b/cpp/src/tests/cluster_test.cpp
@@ -22,6 +22,7 @@
 #include "BrokerFixture.h"
 
 #include "qpid/client/Connection.h"
+#include "qpid/client/ConnectionAccess.h"
 #include "qpid/client/Session.h"
 #include "qpid/client/FailoverListener.h"
 #include "qpid/cluster/Cluster.h"
@@ -176,47 +177,14 @@ template <class C> set<uint16_t> makeSet(const C& c) {
     return s;
 }
 
-std::set<uint16_t> portsFromFailoverArray(const framing::Array& urlArray) {
-    std::set<uint16_t> ports;
-    for (framing::Array::ValueVector::const_iterator i = urlArray.begin(); i < urlArray.end(); ++i ) {
-        Url url((*i)->get<std::string>());
-        BOOST_REQUIRE(url.size() > 0);
-        BOOST_REQUIRE(url[0].get<TcpAddress>());
-        ports.insert(url[0].get<TcpAddress>()->port);
-    }
-    return ports;
-}
-
-std::set<uint16_t> portsFromFailoverMessage(const Message& m) {
-    framing::Array urlArray;
-    m.getHeaders().getArray("amq.failover", urlArray);
-    return portsFromFailoverArray(urlArray);
-}
-
-QPID_AUTO_TEST_CASE(FailoverExchange) {
-    ClusterFixture cluster(2);
-    Client c0(cluster[0], "c0");
-    c0.session.queueDeclare("q");
-    c0.session.exchangeBind(arg::queue="q", arg::exchange="amq.failover");
-
-    Message m;
-    BOOST_CHECK_EQUAL(1u, c0.subs.get(m, "q", TIME_SEC));
-    BOOST_CHECK_EQUAL(makeSet(cluster), portsFromFailoverMessage(m));
-
-    cluster.add();
-    BOOST_CHECK_EQUAL(1u, c0.subs.get(m, "q", TIME_SEC));
-    BOOST_CHECK_EQUAL(makeSet(cluster),portsFromFailoverMessage(m));
-}
-
-std::set<uint16_t> portsFromFailoverListener(const FailoverListener& fl, size_t n) {
-    // Wait till there are n ports in the list.
-    vector<Url> kb = fl.getKnownBrokers();
-    for (size_t retry=1000; kb.size() != n && retry != 0; --retry) {
+template <class T>  std::set<uint16_t> knownBrokerPorts(T& source, size_t n) {
+    vector<Url> urls = source.getKnownBrokers();
+    for (size_t retry=1000; urls.size() != n && retry != 0; --retry) {
         ::usleep(1000);
-        kb = fl.getKnownBrokers();
+        urls = source.getKnownBrokers();
     }
     set<uint16_t> s;
-    for (vector<Url>::const_iterator i = kb.begin(); i != kb.end(); ++i) {
+    for (vector<Url>::const_iterator i = urls.begin(); i != urls.end(); ++i) {
         BOOST_MESSAGE("Failover URL: " << *i);      
         BOOST_CHECK(i->size() >= 1);
         BOOST_CHECK((*i)[0].get<TcpAddress>());
@@ -226,17 +194,29 @@ std::set<uint16_t> portsFromFailoverListener(const FailoverListener& fl, size_t
 }
 
 QPID_AUTO_TEST_CASE(testFailoverListener) {
-    ClusterFixture cluster(1);
+    ClusterFixture cluster(2);
     Client c0(cluster[0], "c0");
-    FailoverListener fl(c0.connection);
+    FailoverListener fl;
+    fl.start(ConnectionAccess::getImpl(c0.connection));
+    set<uint16_t> set0=makeSet(cluster);
 
+    BOOST_CHECK_EQUAL(set0, knownBrokerPorts(fl, 2));
+    cluster.add();
+    BOOST_CHECK_EQUAL(makeSet(cluster), knownBrokerPorts(fl, 3));
+    cluster.kill(2);
+    BOOST_CHECK_EQUAL(set0, knownBrokerPorts(fl, 2));
+}
+
+QPID_AUTO_TEST_CASE(testConnectionKnownHosts) {
+    ClusterFixture cluster(2);
+    Client c0(cluster[0], "c0");
     set<uint16_t> set0=makeSet(cluster);
 
-    BOOST_CHECK_EQUAL(set0, portsFromFailoverListener(fl, 1));
+    BOOST_CHECK_EQUAL(set0, knownBrokerPorts(c0.connection, 2));
     cluster.add();
-    BOOST_CHECK_EQUAL(makeSet(cluster), portsFromFailoverListener(fl, 2));
-    cluster.kill(1);
-    BOOST_CHECK_EQUAL(set0, portsFromFailoverListener(fl, 1));
+    BOOST_CHECK_EQUAL(makeSet(cluster), knownBrokerPorts(c0.connection, 3));
+    cluster.kill(2);
+    BOOST_CHECK_EQUAL(set0, knownBrokerPorts(c0.connection, 2));
 }
 
 QPID_AUTO_TEST_CASE(DumpConsumers) {