QPID-1438: Before registering the rdma daemon transport plugin check

whether there are any rdma devices - if not don't register


git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@712182 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 7 insertions, 1 deletions

diff --git a/cpp/src/qpid/sys/RdmaIOPlugin.cpp b/cpp/src/qpid/sys/RdmaIOPlugin.cpp
index 4316d7b582..3c1d57480a 100644
--- a/cpp/src/qpid/sys/RdmaIOPlugin.cpp
+++ b/cpp/src/qpid/sys/RdmaIOPlugin.cpp
@@ -214,12 +214,18 @@ static class RdmaIOPlugin : public Plugin {
     }
     
     void initialize(Target& target) {
+        // Check whether we actually have any rdma devices
+        if ( Rdma::deviceCount() == 0 ) {
+            QPID_LOG(info, "Rdma: Disabled: no rdma devices found");
+            return;
+        }
+
         broker::Broker* broker = dynamic_cast<broker::Broker*>(&target);
         // Only provide to a Broker
         if (broker) {
             const broker::Broker::Options& opts = broker->getOptions();
             ProtocolFactory::shared_ptr protocol(new RdmaIOProtocolFactory(opts.port, opts.connectionBacklog));
-            QPID_LOG(info, "Listening on RDMA port " << protocol->getPort());
+            QPID_LOG(info, "Rdma: Listening on RDMA port " << protocol->getPort());
             broker->registerProtocolFactory("rdma", protocol);
         }
     }