responder.h
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1 /*
2  * Copyright (C) 2011 by Tommi Meakitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 #ifndef CXXTOOLS_JSON_RESPONDER_H
29 #define CXXTOOLS_JSON_RESPONDER_H
30 
32 #include <cxxtools/json/scanner.h>
33 #include <cxxtools/json/formatter.h>
35 #include <cxxtools/textstream.h>
36 
37 namespace cxxtools
38 {
39 
40 class ServiceProcedure;
41 class IComposer;
42 class IDecomposer;
43 
44 namespace json
45 {
46 
47 class ServiceRegistry;
48 
49 class Responder : public http::Responder
50 {
51 
52  public:
53  explicit Responder(ServiceRegistry& service);
54 
55  ~Responder();
56 
57  void beginRequest(net::TcpSocket& socket, std::istream& in, http::Request& request);
58 
59  std::size_t readBody(std::istream& is);
60 
61  void replyError(std::ostream& os, http::Request& request,
62  http::Reply& reply, const std::exception& ex);
63 
64  void reply(std::ostream& os, http::Request& request, http::Reply& reply);
65 
66  private:
67  ServiceRegistry& _serviceRegistry;
68 
69  JsonDeserializer _deserializer;
70 
71  ServiceProcedure* _proc;
72  IComposer** _args;
73  IDecomposer* _result;
74  RemoteException _fault;
75 };
76 
77 }
78 
79 }
80 
81 #endif