101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/***
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* ==++==
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ==--==
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* =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
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*
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* HTTP Library: exposes the entry points to the http server transport apis.
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*
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* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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****/
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#pragma once
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#if _WIN32_WINNT < _WIN32_WINNT_VISTA
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#error "Error: http server APIs are not supported in XP"
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#endif //_WIN32_WINNT < _WIN32_WINNT_VISTA
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#include <memory>
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#include "cpprest/http_listener.h"
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namespace web { namespace http
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{
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namespace experimental {
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namespace details
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{
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class http_server;
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/// <summary>
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/// Singleton class used to register for http requests and send responses.
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///
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/// The lifetime is tied to http listener registration. When the first listener registers an instance is created
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/// and when the last one unregisters the receiver stops and is destroyed. It can be started back up again if
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/// listeners are again registered.
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/// </summary>
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class http_server_api
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{
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public:
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/// <summary>
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/// Returns whether or not any listeners are registered.
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/// </summary>
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static bool __cdecl has_listener();
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/// <summary>
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/// Registers a HTTP server API.
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/// </summary>
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static void __cdecl register_server_api(std::unique_ptr<http_server> server_api);
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/// <summary>
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/// Clears the http server API.
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/// </summary>
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static void __cdecl unregister_server_api();
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/// <summary>
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/// Registers a listener for HTTP requests and starts receiving.
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/// </summary>
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static pplx::task<void> __cdecl register_listener(_In_ web::http::experimental::listener::details::http_listener_impl *pListener);
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/// <summary>
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/// Unregisters the given listener and stops listening for HTTP requests.
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/// </summary>
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static pplx::task<void> __cdecl unregister_listener(_In_ web::http::experimental::listener::details::http_listener_impl *pListener);
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/// <summary>
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/// Gets static HTTP server API. Could be null if no registered listeners.
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/// </summary>
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static http_server * __cdecl server_api();
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private:
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/// Used to lock access to the server api registration
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static pplx::extensibility::critical_section_t s_lock;
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/// Registers a server API set -- this assumes the lock has already been taken
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static void unsafe_register_server_api(std::unique_ptr<http_server> server_api);
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// Static instance of the HTTP server API.
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static std::unique_ptr<http_server> s_server_api;
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/// Number of registered listeners;
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static pplx::details::atomic_long s_registrations;
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// Static only class. No creation.
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http_server_api();
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};
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}}}} // namespaces
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