From 923eacd28a725a6b32de588fe7a54dbe252d84aa Mon Sep 17 00:00:00 2001
From: Martin Sustrik <sustrik@250bpm.com>
Date: Sat, 13 Feb 2010 09:09:40 +0100
Subject: Multi-hop REQ/REP, part VI., session 'name' renamed to
 'peer_identity'

---
 src/session.cpp  | 16 ++++++++--------
 src/session.hpp  | 14 +++++++++-----
 src/zmq_init.cpp |  7 ++++---
 3 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/src/session.cpp b/src/session.cpp
index 07971e1..c92fb0c 100644
--- a/src/session.cpp
+++ b/src/session.cpp
@@ -42,23 +42,23 @@ zmq::session_t::session_t (object_t *parent_, socket_base_t *owner_,
 }
 
 zmq::session_t::session_t (object_t *parent_, socket_base_t *owner_,
-      const options_t &options_, const char *name_) :
+      const options_t &options_, unsigned char peer_identity_size_,
+      unsigned char *peer_identity_) :
     owned_t (parent_, owner_),
     in_pipe (NULL),
     active (true),
     out_pipe (NULL),
     engine (NULL),
+    ordinal (0),
     options (options_)
 {
-    if (name_) {
+    if (peer_identity_size_) {
         type = named;
-        name = name_;
-        ordinal = 0;
+        peer_identity.assign ((char*) peer_identity_, peer_identity_size_);
     }
     else {
         type = transient;
         //  TODO: Generate unique name here.
-        ordinal = 0;
     }
 }
 
@@ -169,8 +169,8 @@ void zmq::session_t::revive (reader_t *pipe_)
 void zmq::session_t::process_plug ()
 {
     //  Register the session with the socket.
-    if (!name.empty ()) {
-        bool ok = owner->register_session (name.c_str (), this);
+    if (!peer_identity.empty ()) {
+        bool ok = owner->register_session (peer_identity.c_str (), this);
 
         //  There's already a session with the specified identity.
         //  We should syslog it and drop the session. TODO
@@ -213,7 +213,7 @@ void zmq::session_t::process_unplug ()
     if (type == unnamed)
         owner->unregister_session (ordinal);
     else if (type == named)
-        owner->unregister_session (name.c_str ());
+        owner->unregister_session (peer_identity.c_str ());
 
     //  Ask associated pipes to terminate.
     if (in_pipe) {
diff --git a/src/session.hpp b/src/session.hpp
index 2c6b462..9f8d5a8 100644
--- a/src/session.hpp
+++ b/src/session.hpp
@@ -41,7 +41,8 @@ namespace zmq
         //  Creates named session. If name is NULL, transient session with
         //  auto-generated name is created.
         session_t (object_t *parent_, socket_base_t *owner_,
-            const options_t &options_, const char *name_);
+            const options_t &options_, unsigned char peer_identity_size_,
+            unsigned char *peer_identity_);
 
         //  i_inout interface implementation.
         bool read (::zmq_msg_t *msg_);
@@ -86,12 +87,15 @@ namespace zmq
             unnamed
         } type;
 
-        //  Ordinal of the session (if any).
+        //  Session is identified by ordinal in the case when it was created
+        //  before connection to the peer was established and thus we are
+        //  unaware of peer's identity.
         uint64_t ordinal;
 
-        //  The name of the session. One that is used to register it with
-        //  socket-level repository of sessions.
-        std::string name;
+        //  Identity of the peer. If the peer is anonymous, unique name is
+        //  generated instead. Peer identity (or the generated name) is used
+        //  register the session with socket-level repository of sessions.
+        std::string peer_identity;
 
         //  Inherited socket options.
         options_t options;
diff --git a/src/zmq_init.cpp b/src/zmq_init.cpp
index 6baa88f..b853a64 100644
--- a/src/zmq_init.cpp
+++ b/src/zmq_init.cpp
@@ -168,7 +168,8 @@ void zmq::zmq_init_t::finalise ()
             if (!session) {
                 session = new (std::nothrow) session_t (
                     choose_io_thread (options.affinity), owner, options,
-                    peer_identity.c_str ());
+                    (unsigned char) peer_identity.size (),
+                    (unsigned char*) peer_identity.c_str ());
                 zmq_assert (session);
                 send_plug (session);
                 send_own (owner, session);
@@ -182,7 +183,7 @@ void zmq::zmq_init_t::finalise ()
         //  transient session.
         else {
             session = new (std::nothrow) session_t (
-                choose_io_thread (options.affinity), owner, options, NULL);
+                choose_io_thread (options.affinity), owner, options, 0, NULL);
             zmq_assert (session);
             send_plug (session);
             send_own (owner, session);
@@ -191,7 +192,7 @@ void zmq::zmq_init_t::finalise ()
             session->inc_seqnum ();
         }
 
-        //  No need to increment seqnum as it was laready incremented above.
+        //  No need to increment seqnum as it was already incremented above.
         send_attach (session, engine, (unsigned char) peer_identity.size (),
             (unsigned char*) peer_identity.data (), false);
 
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