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
|
/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. 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.
*/
/*
* Copyright 2015 Cloudius Systems
*/
#include <seastar/http/httpd.hh>
#include <seastar/http/handlers.hh>
#include <seastar/http/function_handlers.hh>
#include <seastar/http/file_handler.hh>
#include "demo.json.hh"
#include <seastar/http/api_docs.hh>
namespace bpo = boost::program_options;
using namespace seastar;
using namespace httpd;
class handl : public httpd::handler_base {
public:
virtual future<std::unique_ptr<reply> > handle(const sstring& path,
std::unique_ptr<request> req, std::unique_ptr<reply> rep) {
rep->_content = "hello";
rep->done("html");
return make_ready_future<std::unique_ptr<reply>>(std::move(rep));
}
};
void set_routes(routes& r) {
function_handler* h1 = new function_handler([](const_req req) {
return "hello";
});
function_handler* h2 = new function_handler([](std::unique_ptr<request> req) {
return make_ready_future<json::json_return_type>("json-future");
});
r.add(operation_type::GET, url("/"), h1);
r.add(operation_type::GET, url("/jf"), h2);
r.add(operation_type::GET, url("/file").remainder("path"),
new directory_handler("/"));
demo_json::hello_world.set(r, [] (const_req req) {
demo_json::my_object obj;
obj.var1 = req.param.at("var1");
obj.var2 = req.param.at("var2");
demo_json::ns_hello_world::query_enum v = demo_json::ns_hello_world::str2query_enum(req.query_parameters.at("query_enum"));
// This demonstrate enum conversion
obj.enum_var = v;
return obj;
});
}
int main(int ac, char** av) {
app_template app;
app.add_options()("port", bpo::value<uint16_t>()->default_value(10000),
"HTTP Server port");
return app.run_deprecated(ac, av, [&] {
auto&& config = app.configuration();
uint16_t port = config["port"].as<uint16_t>();
auto server = new http_server_control();
auto rb = make_shared<api_registry_builder>("apps/httpd/");
server->start().then([server] {
return server->set_routes(set_routes);
}).then([server, rb]{
return server->set_routes([rb](routes& r){rb->set_api_doc(r);});
}).then([server, rb]{
return server->set_routes([rb](routes& r) {rb->register_function(r, "demo", "hello world application");});
}).then([server, port] {
return server->listen(port);
}).then([server, port] {
std::cout << "Seastar HTTP server listening on port " << port << " ...\n";
engine().at_exit([server] {
return server->stop();
});
});
});
}
|
