1 files changed, 98 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Event/ECG_Simple_Mcast_EH.cpp b/TAO/orbsvcs/orbsvcs/Event/ECG_Simple_Mcast_EH.cpp
new file mode 100644
index 00000000000..fa40043a50f
--- /dev/null
+++ b/TAO/orbsvcs/orbsvcs/Event/ECG_Simple_Mcast_EH.cpp
@@ -0,0 +1,98 @@
+// $Id$
+
+#include "orbsvcs/Event/ECG_Simple_Mcast_EH.h"
+#include "ace/Log_Msg.h"
+#include "ace/Reactor.h"
+#include "ace/os_include/os_fcntl.h"
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+TAO_ECG_Simple_Mcast_EH::TAO_ECG_Simple_Mcast_EH (TAO_ECG_Dgram_Handler *recv)
+  : receiver_ (recv)
+{
+  ACE_ASSERT (this->receiver_);
+}
+
+TAO_ECG_Simple_Mcast_EH::~TAO_ECG_Simple_Mcast_EH (void)
+{
+}
+
+int
+TAO_ECG_Simple_Mcast_EH::open (const char * mcast_addr,
+                               const ACE_TCHAR *net_if)
+{
+  // Check that we haven't been closed already.
+  if (!this->receiver_)
+    return -1;
+
+  if (mcast_addr == 0)
+    return -1;
+
+  ACE_INET_Addr mcast_group;
+  if (mcast_group.set (mcast_addr) != 0)
+    ACE_ERROR_RETURN ((LM_ERROR,
+                       "Unable to open mcast handler: "
+                       "error using specified address %s "
+                       "in ACE_INET.set ().\n",
+                       mcast_addr),
+                      -1);
+
+  if (this->dgram_.subscribe (mcast_group, 1, net_if) != 0)
+    ACE_ERROR_RETURN ((LM_ERROR,
+                      "Unable to open mcast handler: error "
+                      "subscribing to %s\n",
+                       mcast_addr),
+                      -1);
+
+  (void) dgram_.enable(ACE_NONBLOCK);
+
+  if (!this->reactor ()
+      || 0 != this->reactor ()->register_handler (this->dgram_.get_handle (),
+                                                  this,
+                                                  ACE_Event_Handler::READ_MASK))
+    {
+      this->dgram_.close ();
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "Cannot register handler with reactor.\n"),
+                        -1);
+    }
+
+  return 0;
+}
+
+int
+TAO_ECG_Simple_Mcast_EH::shutdown (void)
+{
+  // Already shut down.
+  if (!this->receiver_)
+    return -1;
+
+  int result = 0;
+  if (this->reactor ())
+    {
+      result = this->reactor ()->remove_handler (this->dgram_.get_handle (),
+                                                 ACE_Event_Handler::READ_MASK);
+    }
+  if (result != 0)
+    ACE_ERROR ((LM_ERROR,
+                "Unable to deregister handler from reactor "
+                "on shutdown.\n"));
+
+  result = this->dgram_.close ();
+  if (result != 0)
+    ACE_ERROR ((LM_ERROR,
+                "Unable to close mcast receiving dgram "
+                "on shutdown.\n"));
+
+  this->receiver_ = 0;
+
+  return result;
+}
+
+int
+TAO_ECG_Simple_Mcast_EH::handle_input (ACE_HANDLE /* fd */)
+{
+  return this->receiver_->handle_input (this->dgram_);
+}
+
+TAO_END_VERSIONED_NAMESPACE_DECL