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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) Crossbar.io Technologies GmbH and contributors and contributors.
//
// Boost Software License - Version 1.0 - August 17th, 2003
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include "exceptions.hpp"
#include "wamp_message.hpp"
#include "wamp_transport_handler.hpp"
#include <boost/asio/buffer.hpp>
#include <boost/asio/placeholders.hpp>
#include <boost/asio/read.hpp>
#include <boost/asio/write.hpp>
#include <system_error>
namespace autobahn {
inline wamp_websocket_transport::wamp_websocket_transport(
const std::string& uri,
bool debug_enabled)
: wamp_transport()
, m_connect()
, m_disconnect()
, m_message_unpacker()
, m_debug_enabled(debug_enabled)
, m_uri(uri)
{
}
inline boost::future<void> wamp_websocket_transport::connect()
{
if (is_open()) {
m_connect.set_exception(boost::copy_exception(network_error("network transport already connected")));
return m_connect.get_future();
}
async_connect(m_uri, m_connect);
return m_connect.get_future();
}
inline boost::future<void> wamp_websocket_transport::disconnect()
{
if (!is_open()) {
throw network_error("network transport already disconnected");
}
close();
m_disconnect.set_value();
return m_disconnect.get_future();
}
inline bool wamp_websocket_transport::is_connected() const
{
return is_open();
}
inline void wamp_websocket_transport::send_message(wamp_message&& message)
{
auto buffer = std::make_shared<msgpack::sbuffer>();
msgpack::packer<msgpack::sbuffer> packer(*buffer);
packer.pack(message.fields());
// Write actual serialized message.
write(buffer->data(), buffer->size());
if (m_debug_enabled) {
std::cerr << "TX message (" << buffer->size() << " octets) ..." << std::endl;
std::cerr << "TX message: " << message << std::endl;
}
}
inline void wamp_websocket_transport::set_pause_handler(pause_handler&& handler)
{
m_pause_handler = std::move(handler);
}
inline void wamp_websocket_transport::set_resume_handler(resume_handler&& handler)
{
m_resume_handler = std::move(handler);
}
inline void wamp_websocket_transport::pause()
{
if (m_pause_handler) {
m_pause_handler();
}
}
inline void wamp_websocket_transport::resume()
{
if (m_resume_handler) {
m_resume_handler();
}
}
inline void wamp_websocket_transport::attach(
const std::shared_ptr<wamp_transport_handler>& handler)
{
if (m_handler) {
throw std::logic_error("handler already attached");
}
m_handler = handler;
m_handler->on_attach(this->shared_from_this());
}
inline void wamp_websocket_transport::detach()
{
if (!m_handler) {
throw std::logic_error("no handler attached");
}
m_handler->on_detach(true, "wamp.error.goodbye");
m_handler.reset();
}
inline bool wamp_websocket_transport::has_handler() const
{
return m_handler != nullptr;
}
inline void wamp_websocket_transport::receive_message(const std::string& msg)
{
if (m_debug_enabled) {
std::cerr << "RX message received." << std::endl;
}
if (m_handler) {
m_message_unpacker.reserve_buffer(msg.size());
memcpy(m_message_unpacker.buffer(), msg.data(), msg.size());
m_message_unpacker.buffer_consumed(msg.size());
msgpack::unpacked result;
while (m_message_unpacker.next(&result)) {
wamp_message::message_fields fields;
result.get().convert(fields);
wamp_message message(std::move(fields), std::move(*(result.zone())));
if (m_debug_enabled) {
std::cerr << "RX message: " << message << std::endl;
}
m_handler->on_message(std::move(message));
}
}
else {
std::cerr << "RX message ignored: no handler attached" << std::endl;
}
}
} //namespace autobahn
|
