ROUTER and DEALER sockets removed

To be replaced by new generic socket type

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

6 files changed, 0 insertions, 551 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 9c2fbf1..e78eb1c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -15,7 +15,6 @@ libzmq_la_SOURCES = \
     config.hpp \
     connect_session.hpp \
     ctx.hpp \
-    dealer.hpp \
     decoder.hpp \
     devpoll.hpp \
     dist.hpp \
@@ -56,7 +55,6 @@ libzmq_la_SOURCES = \
     reaper.hpp \
     rep.hpp \
     req.hpp \
-    router.hpp \
     select.hpp \
     semaphore.hpp \
     session.hpp \
@@ -87,7 +85,6 @@ libzmq_la_SOURCES = \
     command.cpp \
     ctx.cpp \
     connect_session.cpp \
-    dealer.cpp \
     decoder.cpp \
     devpoll.cpp \
     dist.cpp \
@@ -121,7 +118,6 @@ libzmq_la_SOURCES = \
     random.cpp \
     rep.cpp \
     req.cpp \
-    router.cpp \
     select.cpp \
     session.cpp \
     signaler.cpp \
diff --git a/src/dealer.cpp b/src/dealer.cpp
deleted file mode 100644
index e1e141f..0000000
--- a/src/dealer.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
-    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 "dealer.hpp"
-#include "err.hpp"
-#include "msg.hpp"
-
-zmq::dealer_t::dealer_t (class ctx_t *parent_, uint32_t tid_) :
-    socket_base_t (parent_, tid_)
-{
-    options.type = ZMQ_XREQ;
-}
-
-zmq::dealer_t::~dealer_t ()
-{
-}
-
-void zmq::dealer_t::xattach_pipe (pipe_t *pipe_, const blob_t &peer_identity_)
-{
-    zmq_assert (pipe_);
-    fq.attach (pipe_);
-    lb.attach (pipe_);
-}
-
-int zmq::dealer_t::xsend (msg_t *msg_, int flags_)
-{
-    return lb.send (msg_, flags_);
-}
-
-int zmq::dealer_t::xrecv (msg_t *msg_, int flags_)
-{
-    return fq.recv (msg_, flags_);
-}
-
-bool zmq::dealer_t::xhas_in ()
-{
-    return fq.has_in ();
-}
-
-bool zmq::dealer_t::xhas_out ()
-{
-    return lb.has_out ();
-}
-
-void zmq::dealer_t::xread_activated (pipe_t *pipe_)
-{
-    fq.activated (pipe_);
-}
-
-void zmq::dealer_t::xwrite_activated (pipe_t *pipe_)
-{
-    lb.activated (pipe_);
-}
-
-void zmq::dealer_t::xterminated (pipe_t *pipe_)
-{
-    fq.terminated (pipe_);
-    lb.terminated (pipe_);
-}
-
diff --git a/src/dealer.hpp b/src/dealer.hpp
deleted file mode 100644
index 4f85c46..0000000
--- a/src/dealer.hpp
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
-    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/>.
-*/
-
-#ifndef __ZMQ_DEALER_HPP_INCLUDED__
-#define __ZMQ_DEALER_HPP_INCLUDED__
-
-#include "socket_base.hpp"
-#include "fq.hpp"
-#include "lb.hpp"
-
-namespace zmq
-{
-
-    class dealer_t :
-        public socket_base_t
-    {
-    public:
-
-        dealer_t (class ctx_t *parent_, uint32_t tid_);
-        ~dealer_t ();
-
-    protected:
-
-        //  Overloads of functions from socket_base_t.
-        void xattach_pipe (class pipe_t *pipe_, const blob_t &peer_identity_);
-        int xsend (class msg_t *msg_, int flags_);
-        int xrecv (class msg_t *msg_, int flags_);
-        bool xhas_in ();
-        bool xhas_out ();
-        void xread_activated (class pipe_t *pipe_);
-        void xwrite_activated (class pipe_t *pipe_);
-        void xterminated (class pipe_t *pipe_);
-
-    private:
-
-        //  Messages are fair-queued from inbound pipes. And load-balanced to
-        //  the outbound pipes.
-        fq_t fq;
-        lb_t lb;
-
-        dealer_t (const dealer_t&);
-        const dealer_t &operator = (const dealer_t&);
-    };
-
-}
-
-#endif
diff --git a/src/router.cpp b/src/router.cpp
deleted file mode 100644
index 0d1b77e..0000000
--- a/src/router.cpp
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
-    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 "router.hpp"
-#include "pipe.hpp"
-#include "err.hpp"
-
-zmq::router_t::router_t (class ctx_t *parent_, uint32_t tid_) :
-    socket_base_t (parent_, tid_),
-    current_in (0),
-    prefetched (false),
-    more_in (false),
-    current_out (NULL),
-    more_out (false)
-{
-    options.type = ZMQ_XREP;
-
-    //  On connect, pipes are created only after initial handshaking.
-    //  That way we are aware of the peer's identity when binding to the pipes.
-    options.immediate_connect = false;
-}
-
-zmq::router_t::~router_t ()
-{
-    zmq_assert (inpipes.empty ());
-    zmq_assert (outpipes.empty ());
-}
-
-void zmq::router_t::xattach_pipe (pipe_t *pipe_, const blob_t &peer_identity_)
-{
-    zmq_assert (pipe_);
-
-    //  Add the pipe to the map out outbound pipes.
-    //  TODO: What if new connection has same peer identity as the old one?
-    outpipe_t outpipe = {pipe_, true};
-    bool ok = outpipes.insert (outpipes_t::value_type (
-        peer_identity_, outpipe)).second;
-    zmq_assert (ok);
-
-    //  Add the pipe to the list of inbound pipes.
-    inpipe_t inpipe = {pipe_, peer_identity_, true};
-    inpipes.push_back (inpipe);
-}
-
-void zmq::router_t::xterminated (pipe_t *pipe_)
-{
-    for (inpipes_t::iterator it = inpipes.begin (); it != inpipes.end ();
-          ++it) {
-        if (it->pipe == pipe_) {
-            if ((inpipes_t::size_type) (it - inpipes.begin ()) < current_in)
-                current_in--;
-            inpipes.erase (it);
-            if (current_in >= inpipes.size ())
-                current_in = 0;
-            goto clean_outpipes;
-        }
-    }
-    zmq_assert (false);
-
-clean_outpipes:
-    for (outpipes_t::iterator it = outpipes.begin ();
-          it != outpipes.end (); ++it) {
-        if (it->second.pipe == pipe_) {
-            outpipes.erase (it);
-            if (pipe_ == current_out)
-                current_out = NULL;
-            return;
-        }
-    }
-    zmq_assert (false);
-}
-
-void zmq::router_t::xread_activated (pipe_t *pipe_)
-{
-    for (inpipes_t::iterator it = inpipes.begin (); it != inpipes.end ();
-          ++it) {
-        if (it->pipe == pipe_) {
-            zmq_assert (!it->active);
-            it->active = true;
-            return;
-        }
-    }
-    zmq_assert (false);
-}
-
-void zmq::router_t::xwrite_activated (pipe_t *pipe_)
-{
-    for (outpipes_t::iterator it = outpipes.begin ();
-          it != outpipes.end (); ++it) {
-        if (it->second.pipe == pipe_) {
-            zmq_assert (!it->second.active);
-            it->second.active = true;
-            return;
-        }
-    }
-    zmq_assert (false);
-}
-
-int zmq::router_t::xsend (msg_t *msg_, int flags_)
-{
-    //  If this is the first part of the message it's the identity of the
-    //  peer to send the message to.
-    if (!more_out) {
-        zmq_assert (!current_out);
-
-        //  If we have malformed message (prefix with no subsequent message)
-        //  then just silently ignore it.
-        //  TODO: The connections should be killed instead.
-        if (msg_->flags () & msg_t::label) {
-
-            more_out = true;
-
-            //  Find the pipe associated with the identity stored in the prefix.
-            //  If there's no such pipe just silently ignore the message.
-            blob_t identity ((unsigned char*) msg_->data (), msg_->size ());
-            outpipes_t::iterator it = outpipes.find (identity);
-
-            if (it != outpipes.end ()) {
-                current_out = it->second.pipe;
-                msg_t empty;
-                int rc = empty.init ();
-                errno_assert (rc == 0);
-                if (!current_out->check_write (&empty)) {
-                    it->second.active = false;
-                    more_out = false;
-                    current_out = NULL;
-                    rc = empty.close ();
-                    errno_assert (rc == 0);
-                    errno = EAGAIN;
-                    return -1;
-                }
-                rc = empty.close ();
-                errno_assert (rc == 0);
-            }
-        }
-
-        int rc = msg_->close ();
-        errno_assert (rc == 0);
-        rc = msg_->init ();
-        errno_assert (rc == 0);
-        return 0;
-    }
-
-    //  Check whether this is the last part of the message.
-    more_out = msg_->flags () & (msg_t::more | msg_t::label) ? true : false;
-
-    //  Push the message into the pipe. If there's no out pipe, just drop it.
-    if (current_out) {
-        bool ok = current_out->write (msg_);
-        zmq_assert (ok);
-        if (!more_out) {
-            current_out->flush ();
-            current_out = NULL;
-        }
-    }
-    else {
-        int rc = msg_->close ();
-        errno_assert (rc == 0);
-    }
-
-    //  Detach the message from the data buffer.
-    int rc = msg_->init ();
-    errno_assert (rc == 0);
-
-    return 0;
-}
-
-int zmq::router_t::xrecv (msg_t *msg_, int flags_)
-{
-    //  If there is a prefetched message, return it.
-    if (prefetched) {
-        int rc = msg_->move (prefetched_msg);
-        errno_assert (rc == 0);
-        more_in = msg_->flags () & (msg_t::more | msg_t::label) ? true : false;
-        prefetched = false;
-        return 0;
-    }
-
-    //  Deallocate old content of the message.
-    int rc = msg_->close ();
-    errno_assert (rc == 0);
-
-    //  If we are in the middle of reading a message, just grab next part of it.
-    if (more_in) {
-        zmq_assert (inpipes [current_in].active);
-        bool fetched = inpipes [current_in].pipe->read (msg_);
-        zmq_assert (fetched);
-        more_in = msg_->flags () & (msg_t::more | msg_t::label) ? true : false;
-        if (!more_in) {
-            current_in++;
-            if (current_in >= inpipes.size ())
-                current_in = 0;
-        }
-        return 0;
-    }
-
-    //  Round-robin over the pipes to get the next message.
-    for (inpipes_t::size_type count = inpipes.size (); count != 0; count--) {
-
-        //  Try to fetch new message.
-        if (inpipes [current_in].active)
-            prefetched = inpipes [current_in].pipe->read (&prefetched_msg);
-
-        //  If we have a message, create a prefix and return it to the caller.
-        if (prefetched) {
-            int rc = msg_->init_size (inpipes [current_in].identity.size ());
-            errno_assert (rc == 0);
-            memcpy (msg_->data (), inpipes [current_in].identity.data (),
-                msg_->size ());
-            msg_->set_flags (msg_t::label);
-            return 0;
-        }
-
-        //  If me don't have a message, mark the pipe as passive and
-        //  move to next pipe.
-        inpipes [current_in].active = false;
-        current_in++;
-        if (current_in >= inpipes.size ())
-            current_in = 0;
-    }
-
-    //  No message is available. Initialise the output parameter
-    //  to be a 0-byte message.
-    rc = msg_->init ();
-    errno_assert (rc == 0);
-    errno = EAGAIN;
-    return -1;
-}
-
-int zmq::router_t::rollback (void)
-{
-    if (current_out) {
-        current_out->rollback ();
-        current_out = NULL;
-        more_out = false;
-    }
-    return 0;
-}
-
-bool zmq::router_t::xhas_in ()
-{
-    //  There are subsequent parts of the partly-read message available.
-    if (prefetched || more_in)
-        return true;
-
-    //  Note that messing with current doesn't break the fairness of fair
-    //  queueing algorithm. If there are no messages available current will
-    //  get back to its original value. Otherwise it'll point to the first
-    //  pipe holding messages, skipping only pipes with no messages available.
-    for (inpipes_t::size_type count = inpipes.size (); count != 0; count--) {
-        if (inpipes [current_in].active &&
-              inpipes [current_in].pipe->check_read ())
-            return true;
-
-        //  If me don't have a message, mark the pipe as passive and
-        //  move to next pipe.
-        inpipes [current_in].active = false;
-        current_in++;
-        if (current_in >= inpipes.size ())
-            current_in = 0;
-    }
-
-    return false;
-}
-
-bool zmq::router_t::xhas_out ()
-{
-    //  In theory, XREP socket is always ready for writing. Whether actual
-    //  attempt to write succeeds depends on whitch pipe the message is going
-    //  to be routed to.
-    return true;
-}
-
-
-
diff --git a/src/router.hpp b/src/router.hpp
deleted file mode 100644
index 9655bba..0000000
--- a/src/router.hpp
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
-    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/>.
-*/
-
-#ifndef __ZMQ_ROUTER_HPP_INCLUDED__
-#define __ZMQ_ROUTER_HPP_INCLUDED__
-
-#include <map>
-#include <vector>
-
-#include "socket_base.hpp"
-#include "blob.hpp"
-#include "msg.hpp"
-
-namespace zmq
-{
-
-    //  TODO: This class uses O(n) scheduling. Rewrite it to use O(1) algorithm.
-    class router_t :
-        public socket_base_t
-    {
-    public:
-
-        router_t (class ctx_t *parent_, uint32_t tid_);
-        ~router_t ();
-
-        //  Overloads of functions from socket_base_t.
-        void xattach_pipe (class pipe_t *pipe_, const blob_t &peer_identity_);
-        int xsend (class msg_t *msg_, int flags_);
-        int xrecv (class msg_t *msg_, int flags_);
-        bool xhas_in ();
-        bool xhas_out ();
-        void xread_activated (class pipe_t *pipe_);
-        void xwrite_activated (class pipe_t *pipe_);
-        void xterminated (class pipe_t *pipe_);
-
-    protected:
-
-        //  Rollback any message parts that were sent but not yet flushed.
-        int rollback ();
-
-    private:
-
-        struct inpipe_t
-        {
-            class pipe_t *pipe;
-            blob_t identity;
-            bool active;
-        };
-
-        //  Inbound pipes with the names of corresponging peers.
-        typedef std::vector <inpipe_t> inpipes_t;
-        inpipes_t inpipes;
-
-        //  The pipe we are currently reading from.
-        inpipes_t::size_type current_in;
-
-        //  Have we prefetched a message.
-        bool prefetched;
-
-        //  Holds the prefetched message.
-        msg_t prefetched_msg;
-
-        //  If true, more incoming message parts are expected.
-        bool more_in;
-
-        struct outpipe_t
-        {
-            class pipe_t *pipe;
-            bool active;
-        };
-
-        //  Outbound pipes indexed by the peer names.
-        typedef std::map <blob_t, outpipe_t> outpipes_t;
-        outpipes_t outpipes;
-
-        //  The pipe we are currently writing to.
-        class pipe_t *current_out;
-
-        //  If true, more outgoing message parts are expected.
-        bool more_out;
-
-        router_t (const router_t&);
-        const router_t &operator = (const router_t&);
-    };
-
-}
-
-#endif
diff --git a/src/socket_base.cpp b/src/socket_base.cpp
index 6541661..98268de 100644
--- a/src/socket_base.cpp
+++ b/src/socket_base.cpp
@@ -59,8 +59,6 @@
 #include "xrep.hpp"
 #include "xpub.hpp"
 #include "xsub.hpp"
-#include "router.hpp"
-#include "dealer.hpp"
 
 bool zmq::socket_base_t::check_tag ()
 {
@@ -106,12 +104,6 @@ zmq::socket_base_t *zmq::socket_base_t::create (int type_, class ctx_t *parent_,
     case ZMQ_XSUB:
         s = new (std::nothrow) xsub_t (parent_, tid_);
         break;
-    case ZMQ_ROUTER:
-        s = new (std::nothrow) router_t (parent_, tid_);
-        break;
-    case ZMQ_DEALER:
-        s = new (std::nothrow) dealer_t (parent_, tid_);
-        break;
     default:
         errno = EINVAL;
         return NULL;