From 279302c5f54ddf8a23b1eaacee63c3158850d9ff Mon Sep 17 00:00:00 2001
From: Martin Sustrik <sustrik@250bpm.com>
Date: Tue, 26 Jul 2011 18:35:40 +0200
Subject: Experimental VTCP listener added

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
---
 src/vtcp_listener.cpp | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 src/vtcp_listener.cpp

(limited to 'src/vtcp_listener.cpp')

diff --git a/src/vtcp_listener.cpp b/src/vtcp_listener.cpp
new file mode 100644
index 0000000..31fb9ac
--- /dev/null
+++ b/src/vtcp_listener.cpp
@@ -0,0 +1,111 @@
+/*
+    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 "vtcp_listener.hpp"
+
+#if defined ZMQ_HAVE_VTCP
+
+#include <string>
+#include <string.h>
+#include <vtcp.h>
+
+#include "tcp_engine.hpp"
+#include "session.hpp"
+#include "stdint.hpp"
+#include "err.hpp"
+
+zmq::vtcp_listener_t::vtcp_listener_t (io_thread_t *io_thread_,
+        socket_base_t *socket_, options_t &options_) :
+    own_t (io_thread_, options_),
+    io_object_t (io_thread_),
+    s (retired_fd),
+    socket (socket_)
+{
+}
+
+zmq::vtcp_listener_t::~vtcp_listener_t ()
+{
+    zmq_assert (s != retired_fd);
+    int rc = ::close (s);
+    errno_assert (rc == 0);
+    s = retired_fd;
+}
+
+int zmq::vtcp_listener_t::set_address (const char *addr_)
+{
+    //  Find the '.' at end that separates NIC name from service.
+    const char *delimiter = strrchr (addr_, '.');
+    if (!delimiter) {
+        errno = EINVAL;
+        return -1;
+    }
+
+    //  Parse port and subport.
+    std::string port_str (addr_, delimiter - addr_);
+    std::string subport_str (delimiter + 1);
+    uint16_t port = (uint16_t) atoi (port_str.c_str ());
+    uint32_t subport = (uint32_t) atoi (subport_str.c_str ());
+
+    //  Srart listening.
+    s = vtcp_bind (port, subport);
+    if (s == retired_fd)
+        return -1;
+
+    return 0;
+}
+
+void zmq::vtcp_listener_t::process_plug ()
+{
+    //  Start polling for incoming connections.
+    handle = add_fd (s);
+    set_pollin (handle);
+}
+
+void zmq::vtcp_listener_t::process_term (int linger_)
+{
+    rm_fd (handle);
+    own_t::process_term (linger_);
+}
+
+void zmq::vtcp_listener_t::in_event ()
+{
+    fd_t fd = vtcp_acceptb (s);
+    if (fd == retired_fd)
+        return;
+
+    //  Create the engine object for this connection.
+    tcp_engine_t *engine = new (std::nothrow) tcp_engine_t (fd, options);
+    alloc_assert (engine);
+
+    //  Choose I/O thread to run connecter in. Given that we are already
+    //  running in an I/O thread, there must be at least one available.
+    io_thread_t *io_thread = choose_io_thread (options.affinity);
+    zmq_assert (io_thread);
+
+    //  Create and launch a session object. 
+    session_t *session = new (std::nothrow)
+        session_t (io_thread, false, socket, options, NULL, NULL);
+    alloc_assert (session);
+    session->inc_seqnum ();
+    launch_child (session);
+    send_attach (session, engine, false);
+}
+
+#endif
-- 
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