-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathpion_test.cpp
253 lines (224 loc) · 7.98 KB
/
pion_test.cpp
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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
/*
* Copyright 2015, alex at staticlibs.net
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* File: pion_test.cpp
* Author: alex
*
* Created on March 3, 2015, 9:22 AM
*/
#include <iostream>
#include <memory>
#include <utility>
#include <functional>
#include <thread>
#include <fstream>
#include <chrono>
#include <cstdint>
#include "asio.hpp"
#include "staticlib/io.hpp"
#include "staticlib/support.hpp"
#include "staticlib/pion/logger.hpp"
#include "staticlib/pion/http_response_writer.hpp"
#include "staticlib/pion/http_server.hpp"
const uint16_t SECONDS_TO_RUN = 1;
const uint16_t TCP_PORT = 8080;
std::string page = R"(
<html>
<head>
<script>
var ws = null;
function openConn() {
var url = "ws://127.0.0.1:8080/hello";
if (null === ws) {
console.log("Opening: [" + url + "]");
ws = new WebSocket(url);
ws.addEventListener('message', function (event) {
console.log("Receiving: [" + event.data + "]");
var area = document.getElementById("resp");
area.value = event.data;
});
}
}
function sendRequest() {
var input = document.getElementById("req").value;
console.log("Sending: [" + input + "]");
ws.send(input);
}
function closeConn() {
console.log("Closing");
ws.close();
ws = null;
}
</script>
</head>
<body>
<textarea id="req"
rows="7" cols="50">hi</textarea>
<br>
<br>
<textarea id="resp"
rows="7" cols="50"></textarea>
<br>
<br>
<button onclick="openConn();">Connect</button>
<button onclick="sendRequest();">Send</button>
<button onclick="closeConn();">Close</button>
</body>
</html>
)";
void hello_service(sl::pion::http_request_ptr, sl::pion::response_writer_ptr resp) {
resp->write("Hello World!\n");
resp->send(std::move(resp));
}
void hello_service_post(sl::pion::http_request_ptr, sl::pion::response_writer_ptr resp) {
resp->write("Hello POST!\n");
resp->send(std::move(resp));
}
void wspage(sl::pion::http_request_ptr, sl::pion::response_writer_ptr resp) {
resp->write_nocopy(page);
resp->send(std::move(resp));
}
void wsopen(sl::pion::websocket_ptr ws) {
std::cout << "open" << std::endl;
ws->write("open");
ws->send(std::move(ws));
}
void wsmsg(sl::pion::websocket_ptr ws) {
auto src = ws->message_data();
auto sink = sl::io::string_sink();
sl::io::copy_all(src, sink);
ws->write(sink.get_string());
ws->send(std::move(ws));
}
void wsclose(sl::pion::websocket_ptr ws) {
(void) ws;
std::cout << "close" << std::endl;
}
class file_writer {
mutable std::unique_ptr<std::ofstream> stream;
public:
// copy constructor is required due to std::function limitations
// but it doesn't used by server implementation
// move-only payload handlers can use move logic
// instead of copy one (with mutable member fields)
// in MSVC only moved-to instance will be used
// in GCC copy constructor won't be called at all
file_writer(const file_writer& other) :
stream(std::move(other.stream)) { }
file_writer& operator=(const file_writer&) = delete;
file_writer(file_writer&& other) :
stream(std::move(other.stream)) { }
file_writer& operator=(file_writer&&) = delete;
file_writer(const std::string& filename) {
stream = std::unique_ptr<std::ofstream>{new std::ofstream{filename, std::ios::out | std::ios::binary}};
stream->exceptions(std::ofstream::failbit | std::ofstream::badbit);
}
void operator()(const char* s, std::size_t n) {
stream->write(s, n);
}
void close() {
std::cout << "I am closed" << std::endl;
stream->close();
}
};
class file_sender {
sl::pion::response_writer_ptr writer;
std::ifstream stream;
std::array<char, 8192> buf;
public:
file_sender(const std::string& filename, sl::pion::response_writer_ptr writer) :
writer(std::move(writer)),
stream(filename, std::ios::in | std::ios::binary) {
stream.exceptions(std::ifstream::badbit);
}
static void send(std::unique_ptr<file_sender> self) {
std::error_code ec;
handle_write(std::move(self), ec, 0);
}
static void handle_write(std::unique_ptr<file_sender> self,
const std::error_code& ec, std::size_t /* bytes_written */) {
if (!ec) {
self->stream.read(self->buf.data(), self->buf.size());
self->writer->clear();
self->writer->write_nocopy({self->buf.data(), self->stream.gcount()});
if (self->stream) {
auto& wr = self->writer;
auto self_shared = sl::support::make_shared_with_release_deleter(self.release());
wr->send_chunk(
[self_shared](const std::error_code& ec, size_t bt) {
auto self = sl::support::make_unique_from_shared_with_release_deleter(self_shared);
if (self.get()) {
handle_write(std::move(self), ec, bt);
}
});
} else {
self->writer->send_final_chunk(std::move(self->writer));
}
} else {
// make sure it will get closed
self->writer->get_connection()->set_lifecycle(sl::pion::tcp_connection::lifecycle::close);
}
}
};
void file_upload_resource(sl::pion::http_request_ptr req, sl::pion::response_writer_ptr resp) {
auto ph = req->get_payload_handler<file_writer>();
if (ph) {
ph->close();
} else {
std::cout << "No payload handler found in main handler" << std::endl;
}
auto fs = sl::support::make_unique<file_sender>("uploaded.dat", std::move(resp));
fs->send(std::move(fs));
}
file_writer file_upload_payload_handler_creator(sl::pion::http_request_ptr& req) {
(void) req;
return file_writer{"uploaded.dat"};
}
void test_pion() {
// pion
sl::pion::http_server server(4, TCP_PORT);
server.add_handler("GET", "/hello", hello_service);
server.add_handler("POST", "/hello/post", hello_service_post);
server.add_handler("POST", "/fu", file_upload_resource);
server.add_payload_handler("POST", "/fu", file_upload_payload_handler_creator);
server.add_handler("POST", "/fu1", file_upload_resource);
server.get_scheduler().set_thread_stop_hook([]() STATICLIB_NOEXCEPT {
std::cout << "Thread stopped. " << std::endl;
});
server.add_handler("GET", "/wspage.html", wspage);
server.add_websocket_handler("WSOPEN", "/hello", wsopen);
server.add_websocket_handler("WSMESSAGE", "/hello", wsmsg);
server.add_websocket_handler("WSCLOSE", "/hello", wsclose);
server.start();
std::this_thread::sleep_for(std::chrono::seconds(SECONDS_TO_RUN));
// for (size_t i = 0; i < SECONDS_TO_RUN; i++) {
// if (0 == i % 10) {
// auto msg = std::string("ping") + sl::support::to_string(i);
// server.broadcast_websocket("/hello", msg);
// }
// std::this_thread::sleep_for(std::chrono::milliseconds(1000));
// }
server.stop();
}
int main() {
try {
test_pion();
} catch (const std::exception& e) {
std::cout << e.what() << std::endl;
return 1;
}
return 0;
}