responder.h
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1 /*
2  * Copyright (C) 2009 by Dr. Marc Boris Duerner
3  * Copyright (C) 2009 by Tommi Meakitalo
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * As a special exception, you may use this file as part of a free
11  * software library without restriction. Specifically, if other files
12  * instantiate templates or use macros or inline functions from this
13  * file, or you compile this file and link it with other files to
14  * produce an executable, this file does not by itself cause the
15  * resulting executable to be covered by the GNU General Public
16  * License. This exception does not however invalidate any other
17  * reasons why the executable file might be covered by the GNU Library
18  * General Public License.
19  *
20  * This library is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23  * Lesser General Public License for more details.
24  *
25  * You should have received a copy of the GNU Lesser General Public
26  * License along with this library; if not, write to the Free Software
27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
28  */
29 #ifndef cxxtools_xmlrpc_Responder_h
30 #define cxxtools_xmlrpc_Responder_h
31 
35 #include <cxxtools/xml/xmlreader.h>
36 #include <cxxtools/xml/xmlwriter.h>
38 #include <cxxtools/deserializer.h>
39 #include <cxxtools/textstream.h>
40 
41 namespace cxxtools
42 {
43 
44 class ServiceProcedure;
45 class IComposer;
46 class IDecomposer;
47 
48 namespace xmlrpc
49 {
50 
51 class Service;
52 
54 {
55  enum State
56  {
57  OnBegin,
58  OnMethodCallBegin,
59  OnMethodNameBegin,
60  OnMethodName,
61  OnMethodNameEnd,
62  OnParams,
63  OnParam,
64  OnParamsEnd,
65  OnMethodCallEnd
66  };
67 
68  public:
69  explicit XmlRpcResponder(Service& service);
70 
72 
73  void beginRequest(net::TcpSocket& socket, std::istream& in, http::Request& request);
74 
75  std::size_t readBody(std::istream& is);
76 
77  void replyError(std::ostream& os, http::Request& request,
78  http::Reply& reply, const std::exception& ex);
79 
80  void reply(std::ostream& os, http::Request& request, http::Reply& reply);
81 
82  protected:
83  void advance(const cxxtools::xml::Node& node);
84 
85  private:
86  State _state;
87  TextIStream _ts;
88  xml::XmlReader _reader;
89  xml::XmlWriter _writer;
90  Scanner _scanner;
91  Formatter _formatter;
92  Deserializer _deserializer;
93  Service* _service;
94  ServiceProcedure* _proc;
95  IComposer** _args;
96  RemoteException _fault;
97 };
98 
99 }
100 
101 }
102 
103 #endif