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VTCP transport removed

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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
This commit is contained in:
Martin Sustrik 2011-10-31 16:37:20 +01:00
parent ac7717b7b3
commit 626099aa2a
8 changed files with 1 additions and 626 deletions
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13
configure.in
View File

@ -348,19 +348,6 @@ fi
AC_SUBST(pgm_basename)
# VTCP extension
libzmq_vtcp="no"
AC_ARG_WITH([vtcp], [AS_HELP_STRING([--with-vtcp],
[build libzmq with VTCP extension [default=no]])],
[with_vtcp=$withval], [with_vtcp=no])
if test "x$with_vtcp" != "xno"; then
AC_DEFINE(ZMQ_HAVE_VTCP, 1, [Have VTCP extension])
AC_CHECK_LIB(vtcp, vtcp_bind, ,
[AC_MSG_ERROR([cannot link with -lvtcp, install libvtcp.])])
fi
# Set -Wall, -Werror and -pedantic
AC_LANG_PUSH([C++])

4
src/Makefile.am
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@ -67,8 +67,6 @@ libzmq_la_SOURCES = \
tcp_listener.hpp \
thread.hpp \
trie.hpp \
vtcp_connecter.hpp \
vtcp_listener.hpp \
windows.hpp \
wire.hpp \
xpub.hpp \
@ -125,8 +123,6 @@ libzmq_la_SOURCES = \
tcp_listener.cpp \
thread.cpp \
trie.cpp \
vtcp_connecter.cpp \
vtcp_listener.cpp \
xpub.cpp \
xrep.cpp \
xreq.cpp \

13
src/session_base.cpp
View File

@ -27,7 +27,6 @@
#include "likely.hpp"
#include "tcp_connecter.hpp"
#include "ipc_connecter.hpp"
#include "vtcp_connecter.hpp"
#include "pgm_sender.hpp"
#include "pgm_receiver.hpp"
@ -394,18 +393,6 @@ void zmq::session_base_t::start_connecting (bool wait_)
}
#endif
#if defined ZMQ_HAVE_VTCP
if (protocol == "vtcp") {
vtcp_connecter_t *connecter = new (std::nothrow) vtcp_connecter_t (
io_thread, this, options, address.c_str (),
wait_);
alloc_assert (connecter);
launch_child (connecter);
return;
}
#endif
#if defined ZMQ_HAVE_OPENPGM
// Both PGM and EPGM transports are using the same infrastructure.

27
src/socket_base.cpp
View File

@ -37,7 +37,6 @@
#include "socket_base.hpp"
#include "tcp_listener.hpp"
#include "ipc_listener.hpp"
#include "vtcp_listener.hpp"
#include "tcp_connecter.hpp"
#include "io_thread.hpp"
#include "session_base.hpp"
@ -173,8 +172,7 @@ int zmq::socket_base_t::check_protocol (const std::string &protocol_)
{
// First check out whether the protcol is something we are aware of.
if (protocol_ != "inproc" && protocol_ != "ipc" && protocol_ != "tcp" &&
protocol_ != "pgm" && protocol_ != "epgm" && protocol_ != "sys" &&
protocol_ != "vtcp") {
protocol_ != "pgm" && protocol_ != "epgm" && protocol_ != "sys") {
errno = EPROTONOSUPPORT;
return -1;
}
@ -188,14 +186,6 @@ int zmq::socket_base_t::check_protocol (const std::string &protocol_)
}
#endif
// If 0MQ is not compiled with VTCP, vtcp transport is not avaialble.
#if !defined ZMQ_HAVE_VTCP
if (protocol_ == "vtcp") {
errno = EPROTONOSUPPORT;
return -1;
}
#endif
// IPC transport is not available on Windows and OpenVMS.
#if defined ZMQ_HAVE_WINDOWS || defined ZMQ_HAVE_OPENVMS
if (protocol_ == "ipc") {
@ -389,21 +379,6 @@ int zmq::socket_base_t::bind (const char *addr_)
}
#endif
#if defined ZMQ_HAVE_VTCP
if (protocol == "vtcp") {
vtcp_listener_t *listener = new (std::nothrow) vtcp_listener_t (
io_thread, this, options);
alloc_assert (listener);
int rc = listener->set_address (address.c_str ());
if (rc != 0) {
delete listener;
return -1;
}
launch_child (listener);
return 0;
}
#endif
zmq_assert (false);
return -1;
}

252
src/vtcp_connecter.cpp
View File

@ -1,252 +0,0 @@
/*
Copyright (c) 2009-2011 250bpm s.r.o.
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_connecter.hpp"
#if defined ZMQ_HAVE_VTCP
#include <new>
#include <string>
#include "stream_engine.hpp"
#include "io_thread.hpp"
#include "platform.hpp"
#include "random.hpp"
#include "likely.hpp"
#include "err.hpp"
#include "ip.hpp"
#if defined ZMQ_HAVE_WINDOWS
#include "windows.hpp"
#else
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/tcp.h>
#include <netinet/in.h>
#include <netdb.h>
#include <fcntl.h>
#ifdef ZMQ_HAVE_OPENVMS
#include <ioctl.h>
#endif
#endif
zmq::vtcp_connecter_t::vtcp_connecter_t (class io_thread_t *io_thread_,
class session_base_t *session_, const options_t &options_,
const char *address_, bool wait_) :
own_t (io_thread_, options_),
io_object_t (io_thread_),
s (retired_fd),
handle_valid (false),
wait (wait_),
session (session_),
current_reconnect_ivl(options.reconnect_ivl)
{
subport = 0;
int rc = set_address (address_);
zmq_assert (rc == 0);
}
zmq::vtcp_connecter_t::~vtcp_connecter_t ()
{
if (wait)
cancel_timer (reconnect_timer_id);
if (handle_valid)
rm_fd (handle);
if (s != retired_fd)
close ();
}
int zmq::vtcp_connecter_t::set_address (const char *addr_)
{
const char *delimiter = strrchr (addr_, '.');
if (!delimiter) {
delimiter = strrchr (addr_, ':');
if (!delimiter) {
errno = EINVAL;
return -1;
}
std::string addr_str (addr_, delimiter - addr_);
addr_str += ":9220";
std::string subport_str (delimiter + 1);
subport = (vtcp_subport_t) atoi (subport_str.c_str ());
int rc = address.resolve (addr_str.c_str (), false, true);
if (rc != 0)
return -1;
}
else {
std::string addr_str (addr_, delimiter - addr_);
std::string subport_str (delimiter + 1);
subport = (vtcp_subport_t) atoi (subport_str.c_str ());
int rc = address.resolve (addr_str.c_str (), false, true);
if (rc != 0)
return -1;
}
return 0;
}
void zmq::vtcp_connecter_t::process_plug ()
{
if (wait)
add_reconnect_timer();
else
start_connecting ();
}
void zmq::vtcp_connecter_t::in_event ()
{
// We are not polling for incomming data, so we are actually called
// because of error here. However, we can get error on out event as well
// on some platforms, so we'll simply handle both events in the same way.
out_event ();
}
void zmq::vtcp_connecter_t::out_event ()
{
fd_t fd = connect ();
rm_fd (handle);
handle_valid = false;
// Handle the error condition by attempt to reconnect.
if (fd == retired_fd) {
close ();
wait = true;
add_reconnect_timer();
return;
}
// Create the engine object for this connection.
stream_engine_t *engine = new (std::nothrow) stream_engine_t (fd, options);
alloc_assert (engine);
// Attach the engine to the corresponding session object.
send_attach (session, engine);
// Shut the connecter down.
terminate ();
}
void zmq::vtcp_connecter_t::timer_event (int id_)
{
zmq_assert (id_ == reconnect_timer_id);
wait = false;
start_connecting ();
}
void zmq::vtcp_connecter_t::start_connecting ()
{
// Open the connecting socket.
int rc = open ();
// Handle error condition by eventual reconnect.
if (unlikely (rc != 0)) {
errno_assert (false);
wait = true;
add_reconnect_timer();
return;
}
// Connection establishment may be dealyed. Poll for its completion.
handle = add_fd (s);
handle_valid = true;
set_pollout (handle);
}
void zmq::vtcp_connecter_t::add_reconnect_timer()
{
add_timer (get_new_reconnect_ivl(), reconnect_timer_id);
}
int zmq::vtcp_connecter_t::get_new_reconnect_ivl ()
{
// The new interval is the current interval + random value.
int this_interval = current_reconnect_ivl +
(generate_random () % options.reconnect_ivl);
// Only change the current reconnect interval if the maximum reconnect
// interval was set and if it's larger than the reconnect interval.
if (options.reconnect_ivl_max > 0 &&
options.reconnect_ivl_max > options.reconnect_ivl) {
// Calculate the next interval
current_reconnect_ivl = current_reconnect_ivl * 2;
if(current_reconnect_ivl >= options.reconnect_ivl_max) {
current_reconnect_ivl = options.reconnect_ivl_max;
}
}
return this_interval;
}
int zmq::vtcp_connecter_t::open ()
{
zmq_assert (s == retired_fd);
// Start the connection procedure.
sockaddr_in *paddr = (sockaddr_in*) address.addr ();
s = vtcp_connect (paddr->sin_addr.s_addr, ntohs (paddr->sin_port));
// Connect was successfull immediately.
if (s != retired_fd)
return 0;
// Asynchronous connect was launched.
if (errno == EINPROGRESS) {
errno = EAGAIN;
return -1;
}
// Error occured.
return -1;
}
zmq::fd_t zmq::vtcp_connecter_t::connect ()
{
int rc = vtcp_acceptc (s, subport);
if (rc != 0) {
int err = errno;
close ();
errno = err;
return retired_fd;
}
tune_tcp_socket (s);
fd_t result = s;
s = retired_fd;
return result;
}
int zmq::vtcp_connecter_t::close ()
{
zmq_assert (s != retired_fd);
int rc = ::close (s);
if (rc != 0)
return -1;
s = retired_fd;
return 0;
}
#endif

121
src/vtcp_connecter.hpp
View File

@ -1,121 +0,0 @@
/*
Copyright (c) 2009-2011 250bpm s.r.o.
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 __VTCP_CONNECTER_HPP_INCLUDED__
#define __VTCP_CONNECTER_HPP_INCLUDED__
#include "platform.hpp"
#if defined ZMQ_HAVE_VTCP
#include <vtcp.h>
#include "fd.hpp"
#include "own.hpp"
#include "stdint.hpp"
#include "io_object.hpp"
#include "tcp_address.hpp"
namespace zmq
{
class vtcp_connecter_t : public own_t, public io_object_t
{
public:
// If 'delay' is true connecter first waits for a while, then starts
// connection process.
vtcp_connecter_t (class io_thread_t *io_thread_,
class session_base_t *session_, const options_t &options_,
const char *address_, bool delay_);
~vtcp_connecter_t ();
private:
// ID of the timer used to delay the reconnection.
enum {reconnect_timer_id = 1};
// Handlers for incoming commands.
void process_plug ();
// Handlers for I/O events.
void in_event ();
void out_event ();
void timer_event (int id_);
// Internal function to start the actual connection establishment.
void start_connecting ();
// Internal function to add a reconnect timer
void add_reconnect_timer();
// Internal function to return a reconnect backoff delay.
// Will modify the current_reconnect_ivl used for next call
// Returns the currently used interval
int get_new_reconnect_ivl ();
// Set address to connect to.
int set_address (const char *addr_);
// Open TCP connecting socket. Returns -1 in case of error,
// 0 if connect was successfull immediately and 1 if async connect
// was launched.
int open ();
// Close the connecting socket.
int close ();
// Get the file descriptor of newly created connection. Returns
// retired_fd if the connection was unsuccessfull.
fd_t connect ();
// Address to connect to.
tcp_address_t address;
vtcp_subport_t subport;
// Underlying socket.
fd_t s;
// Handle corresponding to the listening socket.
handle_t handle;
// If true file descriptor is registered with the poller and 'handle'
// contains valid value.
bool handle_valid;
// If true, connecter is waiting a while before trying to connect.
bool wait;
// Reference to the session we belong to.
class session_base_t *session;
// Current reconnect ivl, updated for backoff strategy
int current_reconnect_ivl;
vtcp_connecter_t (const vtcp_connecter_t&);
const vtcp_connecter_t &operator = (const vtcp_connecter_t&);
};
}
#endif
#endif

125
src/vtcp_listener.cpp
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@ -1,125 +0,0 @@
/*
Copyright (c) 2009-2011 250bpm s.r.o.
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 "stream_engine.hpp"
#include "session_base.hpp"
#include "stdint.hpp"
#include "err.hpp"
#include "ip.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 ()
{
if (s != retired_fd) {
int rc = ::close (s);
errno_assert (rc == 0);
s = retired_fd;
}
}
int zmq::vtcp_listener_t::set_address (const char *addr_)
{
// VTCP doesn't allow for binding to a specific interface. Connection
// string has to begin with *: (INADDR_ANY).
if (strlen (addr_) < 2 || addr_ [0] != '*' || addr_ [1] != ':') {
errno = EADDRNOTAVAIL;
return -1;
}
// Parse port and subport.
uint16_t port;
uint32_t subport;
const char *delimiter = strrchr (addr_, '.');
if (!delimiter) {
port = 9220;
subport = (uint32_t) atoi (addr_ + 2);
}
else {
std::string port_str (addr_ + 2, delimiter - addr_ - 2);
std::string subport_str (delimiter + 1);
port = (uint16_t) atoi (port_str.c_str ());
subport = (uint32_t) atoi (subport_str.c_str ());
}
// Start 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;
tune_tcp_socket (fd);
// Create the engine object for this connection.
stream_engine_t *engine = new (std::nothrow) stream_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_base_t *session = session_base_t::create (io_thread, false, socket,
options, NULL, NULL);
alloc_assert (session);
session->inc_seqnum ();
launch_child (session);
send_attach (session, engine, false);
}
#endif

72
src/vtcp_listener.hpp
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@ -1,72 +0,0 @@
/*
Copyright (c) 2009-2011 250bpm s.r.o.
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_VTCP_LISTENER_HPP_INCLUDED__
#define __ZMQ_VTCP_LISTENER_HPP_INCLUDED__
#include "platform.hpp"
#if defined ZMQ_HAVE_VTCP
#include "own.hpp"
#include "io_object.hpp"
#include "fd.hpp"
namespace zmq
{
class vtcp_listener_t : public own_t, public io_object_t
{
public:
vtcp_listener_t (class io_thread_t *io_thread_,
class socket_base_t *socket_, class options_t &options_);
~vtcp_listener_t ();
int set_address (const char *addr_);
private:
// Handlers for incoming commands.
void process_plug ();
void process_term (int linger_);
// Handlers for I/O events.
void in_event ();
// VTCP listener socket.
fd_t s;
// Handle corresponding to the listening socket.
handle_t handle;
// Socket the listerner belongs to.
class socket_base_t *socket;
vtcp_listener_t (const vtcp_listener_t&);
const vtcp_listener_t &operator = (const vtcp_listener_t&);
};
}
#endif
#endif