Support for restarting a persistent cluster.

Option --cluster-size=N: members wait for N members before recovering store.
Stores marked as clean/dirty. Automatically recover from clean store on restart.
Stores marked with UUID to detect errors.

Not yet implemented: consistency checks, manual recovery from all dirty stores.


git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@883842 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 13 insertions, 8 deletions

diff --git a/cpp/src/qpid/cluster/Multicaster.cpp b/cpp/src/qpid/cluster/Multicaster.cpp
index 72fc1533f8..229d7edb1e 100644
--- a/cpp/src/qpid/cluster/Multicaster.cpp
+++ b/cpp/src/qpid/cluster/Multicaster.cpp
@@ -33,36 +33,41 @@ Multicaster::Multicaster(Cpg& cpg_,
                          boost::function<void()> onError_) :
     onError(onError_), cpg(cpg_), 
     queue(boost::bind(&Multicaster::sendMcast, this, _1), poller),
-    holding(true)
+    ready(false)
 {
     queue.start();
 }
 
 void Multicaster::mcastControl(const framing::AMQBody& body, const ConnectionId& id) {
-    QPID_LOG(trace, "MCAST " << id << ": " << body);
     mcast(Event::control(body, id));
 }
 
 void Multicaster::mcastControl(const framing::AMQFrame& frame, const ConnectionId& id) {
-    QPID_LOG(trace, "MCAST " << id << ": " << frame);
     mcast(Event::control(frame, id));
 }
 
 void Multicaster::mcastBuffer(const char* data, size_t size, const ConnectionId& id) {
     Event e(DATA, id, size);
     memcpy(e.getData(), data, size);
-    QPID_LOG(trace, "MCAST " << e);
     mcast(e);
 }
 
 void Multicaster::mcast(const Event& e) {
     {
         sys::Mutex::ScopedLock l(lock);
-        if (e.isConnection() && holding) {
-            holdingQueue.push_back(e); 
+        if (!ready) {
+            if (e.isConnection()) holdingQueue.push_back(e);
+            else {
+                iovec iov = e.toIovec();
+                // FIXME aconway 2009-11-23: configurable retry --cluster-retry
+                if (!cpg.mcast(&iov, 1))
+                    throw Exception("CPG flow control error during initialization");
+                QPID_LOG(trace, "MCAST (direct) " << e);
+            }
             return;
         }
     }
+    QPID_LOG(trace, "MCAST " << e);
     queue.push(e);
 }
 
@@ -88,9 +93,9 @@ Multicaster::PollableEventQueue::Batch::const_iterator Multicaster::sendMcast(co
     }
 }
 
-void Multicaster::release() {
+void Multicaster::setReady() {
     sys::Mutex::ScopedLock l(lock);
-    holding = false;
+    ready = true;
     std::for_each(holdingQueue.begin(), holdingQueue.end(), boost::bind(&Multicaster::mcast, this, _1));
     holdingQueue.clear();
 }