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This demonstrate how to use a swagger definition file to create an API. The swagger file demo.json define one api called hello_world, it has both query and path parameters and return an object as a result. The handler implementation simply places the given parameters in the return object. Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/*
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* This file is open source software, licensed to you under the terms
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* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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* distributed with this work for additional information regarding copyright
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* ownership. You may not use this file except in compliance with the License.
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*
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright 2015 Cloudius Systems
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*/
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#include "http/httpd.hh"
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#include "http/handlers.hh"
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#include "http/function_handlers.hh"
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#include "http/file_handler.hh"
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#include "apps/httpd/demo.json.hh"
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namespace bpo = boost::program_options;
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using namespace httpd;
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class handl : public httpd::handler_base {
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public:
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virtual future<std::unique_ptr<reply> > handle(const sstring& path,
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std::unique_ptr<request> req, std::unique_ptr<reply> rep) {
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rep->_content = "hello";
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rep->done("html");
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return make_ready_future<std::unique_ptr<reply>>(std::move(rep));
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}
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};
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void set_routes(routes& r) {
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function_handler* h1 = new function_handler([](const_req req) {
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return "hello";
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});
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r.add(operation_type::GET, url("/"), h1);
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r.add(operation_type::GET, url("/file").remainder("path"),
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new directory_handler("/"));
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demo_json::hello_world.set(r,
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[](const_req req) {
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demo_json::my_object obj;
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obj.var1 = req.param.at("var1");
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obj.var2 = req.param.at("var2");
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demo_json::ns_hello_world::query_enum v = demo_json::ns_hello_world::str2query_enum(req.query_parameters.at("query_enum"));
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// This demonstrate enum conversion
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obj.enum_var = v;
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return obj;
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});
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}
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int main(int ac, char** av) {
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app_template app;
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app.add_options()("port", bpo::value<uint16_t>()->default_value(10000),
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"HTTP Server port");
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return app.run(ac, av,
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[&] {
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auto&& config = app.configuration();
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uint16_t port = config["port"].as<uint16_t>();
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auto server = new distributed<http_server>;
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server->start().then([server = std::move(server), port] () mutable {
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server->invoke_on_all([](http_server& server) {
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set_routes(server._routes);
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});
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server->invoke_on_all(&http_server::listen, ipv4_addr {port});
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}).then([port] {
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std::cout << "Seastar HTTP server listening on port " << port << " ...\n";
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});
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});
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}
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