1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*
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 "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 (false);
}
void zmq::connect_session_t::start_connecting (bool wait_)
{
// 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 (),
wait_);
alloc_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.type == ZMQ_PUB || options.type == ZMQ_XPUB) {
// PGM sender.
pgm_sender_t *pgm_sender = new (std::nothrow) pgm_sender_t (
io_thread, options);
alloc_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.type == ZMQ_SUB || options.type == ZMQ_XSUB) {
// PGM receiver.
pgm_receiver_t *pgm_receiver = new (std::nothrow) pgm_receiver_t (
io_thread, options);
alloc_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 (true);
}
|
