Split plain_mechanism into client and server part

src/plain_server.hpp

@@ -0,0 +1,80 @@
+/*
+    Copyright (c) 2007-2014 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/>.
+*/
+
+#ifndef __ZMQ_PLAIN_SERVER_HPP_INCLUDED__
+#define __ZMQ_PLAIN_SERVER_HPP_INCLUDED__
+
+#include "mechanism.hpp"
+#include "options.hpp"
+
+namespace zmq
+{
+
+    class msg_t;
+    class session_base_t;
+
+    class plain_server_t : public mechanism_t
+    {
+    public:
+
+        plain_server_t (session_base_t *session_,
+                        const std::string &peer_address_,
+                        const options_t &options_);
+        virtual ~plain_server_t ();
+
+        // mechanism implementation
+        virtual int next_handshake_command (msg_t *msg_);
+        virtual int process_handshake_command (msg_t *msg_);
+        virtual int zap_msg_available ();
+        virtual status_t status () const;
+
+    private:
+
+        enum state_t {
+            waiting_for_hello,
+            sending_welcome,
+            waiting_for_initiate,
+            sending_ready,
+            waiting_for_zap_reply,
+            ready
+        };
+
+        session_base_t * const session;
+
+        const std::string peer_address;
+
+        //  True iff we are awaiting reply from ZAP reply.
+        bool expecting_zap_reply;
+
+        state_t state;
+
+        int produce_welcome (msg_t *msg_) const;
+        int produce_ready (msg_t *msg_) const;
+
+        int process_hello (msg_t *msg_);
+        int process_initiate (msg_t *msg_);
+
+        void send_zap_request (const std::string &username,
+                               const std::string &password);
+        int receive_and_process_zap_reply ();
+    };
+
+}
+
+#endif