From d6901e52ab3ee9c40eddc4ad3b4787127c36d874 Mon Sep 17 00:00:00 2001
From: Alan Conway <aconway@apache.org>
Date: Thu, 9 Oct 2008 19:36:51 +0000
Subject: 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
---
 cpp/src/qpid/client/ConnectionImpl.cpp | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

(limited to 'cpp/src/qpid/client/ConnectionImpl.cpp')

diff --git a/cpp/src/qpid/client/ConnectionImpl.cpp b/cpp/src/qpid/client/ConnectionImpl.cpp
index d9ac65c1b3..910c908ee2 100644
--- a/cpp/src/qpid/client/ConnectionImpl.cpp
+++ b/cpp/src/qpid/client/ConnectionImpl.cpp
@@ -22,8 +22,10 @@
 #include "Connector.h"
 #include "ConnectionSettings.h"
 #include "SessionImpl.h"
+#include "FailoverListener.h"
 
 #include "qpid/log/Statement.h"
+#include "qpid/Url.h"
 #include "qpid/framing/enum.h"
 #include "qpid/framing/reply_exceptions.h"
 
@@ -40,7 +42,9 @@ using namespace qpid::framing::connection;//for connection error codes
 ConnectionImpl::ConnectionImpl(framing::ProtocolVersion v, const ConnectionSettings& settings)
     : Bounds(settings.maxFrameSize * settings.bounds),
       handler(settings, v),
-      version(v)
+      failover(new FailoverListener()),
+      version(v),
+      nextChannel(1)
 {
     QPID_LOG(debug, "ConnectionImpl created for " << version);
     handler.in = boost::bind(&ConnectionImpl::incoming, this, _1);
@@ -56,12 +60,14 @@ ConnectionImpl::~ConnectionImpl() {
     // Important to close the connector first, to ensure the
     // connector thread does not call on us while the destructor
     // is running.
-    if (connector) connector->close(); 
+    failover.reset();
+    if (connector) connector->close();
 }
 
-void ConnectionImpl::addSession(const boost::shared_ptr<SessionImpl>& session)
+void ConnectionImpl::addSession(const boost::shared_ptr<SessionImpl>& session, uint16_t channel)
 {
     Mutex::ScopedLock l(lock);
+    session->setChannel(channel ? channel : nextChannel++);
     boost::weak_ptr<SessionImpl>& s = sessions[session->getChannel()];
     if (s.lock()) throw SessionBusyException();
     s = session;
@@ -102,7 +108,9 @@ void ConnectionImpl::open()
     connector->setShutdownHandler(this);
     connector->connect(host, port);
     connector->init();
-    handler.waitForOpen();    
+    handler.waitForOpen();
+
+    if (failover.get()) failover->start(shared_from_this());
 }
 
 void ConnectionImpl::idleIn()
@@ -162,3 +170,16 @@ const ConnectionSettings& ConnectionImpl::getNegotiatedSettings()
     return handler;
 }
     
+std::vector<qpid::Url> ConnectionImpl::getKnownBrokers() {
+    // FIXME aconway 2008-10-08: initialize failover list from openOk or settings
+    return failover ? failover->getKnownBrokers() : std::vector<qpid::Url>();
+}
+
+boost::shared_ptr<SessionImpl>  ConnectionImpl::newSession(const std::string& name, uint32_t timeout, uint16_t channel) {
+    boost::shared_ptr<SessionImpl> simpl(new SessionImpl(name, shared_from_this()));
+    addSession(simpl, channel);
+    simpl->open(timeout);
+    return simpl;
+}
+
+void ConnectionImpl::stopFailoverListener() { failover.reset(); }
-- 
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