mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-19 13:07:55 +00:00
130 lines
3.7 KiB
C++
130 lines
3.7 KiB
C++
/*
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* ZeroTier One - Global Peer to Peer Ethernet
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* Copyright (C) 2012-2013 ZeroTier Networks LLC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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#ifndef _ZT_HTTP_HPP
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#define _ZT_HTTP_HPP
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#include <map>
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#include <string>
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#include <stdexcept>
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#include "Thread.hpp"
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#include "../ext/http-parser/http_parser.h"
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namespace ZeroTier {
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class Http
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{
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public:
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/**
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* HTTP request methods
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*/
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enum Method
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{
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HTTP_METHOD_GET,
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HTTP_METHOD_HEAD
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};
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/**
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* An empty headers map for convenience
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*/
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static const std::map<std::string,std::string> EMPTY_HEADERS;
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/**
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* HTTP request
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*/
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class Request : protected Thread
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{
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public:
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/**
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* Create and issue an HTTP request
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*
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* The supplied handler is called when the request is
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* complete or if an error occurs. A code of zero indicates
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* that the server could not be reached, and a description
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* of the error will be in 'body'. If the handler returns
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* false the Request object deletes itself. Otherwise the
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* object must be deleted by other code.
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*
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* @param m Request method
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* @param url Destination URL
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* @param rh Request headers
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* @param rb Request body or empty string for none (currently unused)
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* @param handler Request handler function
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* @param arg First argument to request handler
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*/
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Request(
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Http::Method m,
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const std::string &url,
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const std::map<std::string,std::string> &rh,
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const std::string &rb,
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bool (*handler)(Request *,void *,const std::string &,int,const std::map<std::string,std::string> &,const std::string &),
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void *arg);
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/**
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* Destruction cancels any in-progress request
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*/
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virtual ~Request();
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protected:
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virtual void main()
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throw();
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private:
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// HTTP parser handlers
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static int _http_on_message_begin(http_parser *parser);
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static int _http_on_url(http_parser *parser,const char *data,size_t length);
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static int _http_on_status_complete(http_parser *parser);
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static int _http_on_header_field(http_parser *parser,const char *data,size_t length);
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static int _http_on_header_value(http_parser *parser,const char *data,size_t length);
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static int _http_on_headers_complete(http_parser *parser);
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static int _http_on_body(http_parser *parser,const char *data,size_t length);
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static int _http_on_message_complete(http_parser *parser);
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http_parser _parser;
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std::string _url;
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std::map<std::string,std::string> _requestHeaders;
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std::map<std::string,std::string> _responseHeaders;
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std::string _currentHeaderField;
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std::string _responseBody;
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bool (*_handler)(Request *,void *,const std::string &,int,const std::map<std::string,std::string> &,const std::string &);
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void *_arg;
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Http::Method _method;
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int _responseStatusCode;
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bool _messageComplete;
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volatile int _fd;
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};
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};
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} // namespace ZeroTier
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#endif
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