diff options
Diffstat (limited to 'src/connect_session.cpp')
-rw-r--r-- | src/connect_session.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/connect_session.cpp b/src/connect_session.cpp new file mode 100644 index 0000000..da46568 --- /dev/null +++ b/src/connect_session.cpp @@ -0,0 +1,117 @@ +/* + Copyright (c) 2007-2010 iMatix Corporation + + 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 "connect_session.hpp" +#include "zmq_connecter.hpp" +#include "pgm_sender.hpp" +#include "pgm_receiver.hpp" + +zmq::connect_session_t::connect_session_t (class io_thread_t *io_thread_, + class socket_base_t *socket_, const options_t &options_, + const char *protocol_, const char *address_) : + session_t (io_thread_, socket_, options_), + protocol (protocol_), + address (address_) +{ +} + +zmq::connect_session_t::~connect_session_t () +{ +} + +void zmq::connect_session_t::process_plug () +{ + // Start connection process immediately. + start_connecting (); +} + +void zmq::connect_session_t::start_connecting () +{ + // 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 the connecter object. + + // Both TCP and IPC transports are using the same infrastructure. + if (protocol == "tcp" || protocol == "ipc") { + + zmq_connecter_t *connecter = new (std::nothrow) zmq_connecter_t ( + io_thread, this, options, protocol.c_str (), address.c_str ()); + zmq_assert (connecter); + launch_child (connecter); + return; + } + +#if defined ZMQ_HAVE_OPENPGM + + // Both PGM and EPGM transports are using the same infrastructure. + if (protocol == "pgm" || protocol == "epgm") { + + // For EPGM transport with UDP encapsulation of PGM is used. + bool udp_encapsulation = (protocol == "epgm"); + + // At this point we'll create message pipes to the session straight + // away. There's no point in delaying it as no concept of 'connect' + // exists with PGM anyway. + if (options.requires_out) { + + // PGM sender. + pgm_sender_t *pgm_sender = new (std::nothrow) pgm_sender_t ( + io_thread, options); + zmq_assert (pgm_sender); + + int rc = pgm_sender->init (udp_encapsulation, address.c_str ()); + zmq_assert (rc == 0); + + send_attach (this, pgm_sender, blob_t ()); + } + else if (options.requires_in) { + + // PGM receiver. + pgm_receiver_t *pgm_receiver = new (std::nothrow) pgm_receiver_t ( + io_thread, options); + zmq_assert (pgm_receiver); + + int rc = pgm_receiver->init (udp_encapsulation, address.c_str ()); + zmq_assert (rc == 0); + + send_attach (this, pgm_receiver, blob_t ()); + } + else + zmq_assert (false); + + return; + } +#endif + + zmq_assert (false); +} + +void zmq::connect_session_t::attached (const blob_t &peer_identity_) +{ +} + +void zmq::connect_session_t::detached () +{ + // Reconnect. + start_connecting (); +} + |