Imported Upstream version 2.1.3upstream/2.1.3

1 files changed, 85 insertions, 0 deletions

diff --git a/src/named_session.cpp b/src/named_session.cpp
new file mode 100644
index 0000000..2532c5a
--- /dev/null
+++ b/src/named_session.cpp
@@ -0,0 +1,85 @@
+/*
+    Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "named_session.hpp"
+#include "socket_base.hpp"
+
+zmq::named_session_t::named_session_t (class io_thread_t *io_thread_,
+      socket_base_t *socket_, const options_t &options_,
+      const blob_t &name_) :
+    session_t (io_thread_, socket_, options_),
+    name (name_)
+{
+    //  Make double sure that the session has valid name.
+    zmq_assert (!name.empty ());
+    zmq_assert (name [0] != 0);
+
+    if (!socket_->register_session (name, this)) {
+
+        //  TODO: There's already a session with the specified
+        //  identity. We should log the error and drop the
+        //  session.
+        zmq_assert (false);
+    }
+}
+
+zmq::named_session_t::~named_session_t ()
+{
+    //  Unregister the session from the global list of named sessions.
+    if (!name.empty ())
+        unregister_session (name);
+}
+
+void zmq::named_session_t::attached (const blob_t &peer_identity_)
+{
+    if (!name.empty ()) {
+
+        //  If both IDs are temporary, no checking is needed.
+        //  TODO: Old ID should be reused in this case...
+        if (name.empty () || name [0] != 0 ||
+            peer_identity_.empty () || peer_identity_ [0] != 0) {
+
+            //  If we already know the peer name do nothing, just check whether
+            //  it haven't changed.
+            zmq_assert (name == peer_identity_);
+        }
+    }
+    else if (!peer_identity_.empty ()) {
+
+        //  Store the peer identity.
+        name = peer_identity_;
+
+        //  Register the session using the peer name.
+        if (!register_session (name, this)) {
+
+            //  TODO: There's already a session with the specified
+            //  identity. We should presumably syslog it and drop the
+            //  session.
+            zmq_assert (false);
+        }
+    }
+}
+
+void zmq::named_session_t::detached ()
+{
+    //  Do nothing. Named sessions are never destroyed because of disconnection,
+    //  neither they have to actively reconnect.
+}
+