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authorMartin Lucina <martin@lucina.net>2012-01-23 08:53:35 +0100
committerMartin Lucina <martin@lucina.net>2012-01-23 08:53:35 +0100
commite645fc2693acc796304498909786b7b47005b429 (patch)
tree4118cd4c7b9eba3ba1d6892800c79669ea94c4e9 /src/named_session.cpp
parent2c416a793ea781273a5da6742211f5f01af13a2b (diff)
Imported Upstream version 2.1.3upstream/2.1.3
Diffstat (limited to 'src/named_session.cpp')
-rw-r--r--src/named_session.cpp85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/named_session.cpp b/src/named_session.cpp
new file mode 100644
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+++ 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.
+}
+