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[libs/net.git] / source / http / client.h
1 #ifndef MSP_HTTP_CLIENT_H_
2 #define MSP_HTTP_CLIENT_H_
3
4 #include <string>
5 #include <sigc++/signal.h>
6 #include <msp/io/eventdispatcher.h>
7 #include <msp/net/resolve.h>
8 #include <msp/net/streamsocket.h>
9
10 namespace Msp {
11 namespace Http {
12
13 class Request;
14 class Response;
15
16 class Client
17 {
18 public:
19         sigc::signal<void, const Response &> signal_response_complete;
20         sigc::signal<void, const std::exception &> signal_socket_error;
21
22 private:
23         struct ResolveListener: public sigc::trackable
24         {
25                 Client &client;
26
27                 ResolveListener(Client &);
28
29                 void address_resolved(unsigned, const Net::SockAddr &);
30                 void resolve_failed(unsigned, const std::exception &);
31         };
32
33         Net::StreamSocket *sock = 0;
34         IO::EventDispatcher *event_disp = 0;
35         Net::Resolver *resolver = 0;
36         ResolveListener *resolve_listener = 0;
37         unsigned resolve_tag = 0;
38         std::string user_agent = "libmspnet/1.0";
39         Request *request = 0;
40         Response *response = 0;
41         std::string in_buf;
42
43         Client(const Client &);
44         Client &operator=(const Client &);
45 public:
46         ~Client();
47
48         void use_event_dispatcher(IO::EventDispatcher *);
49         void use_resolver(Net::Resolver *);
50         void set_user_agent(const std::string &);
51         void start_request(const Request &);
52         const Response *get_url(const std::string &);
53         void tick();
54         void wait_response();
55         void abort();
56         const Request *get_request() const { return request; }
57         const Response *get_response() const { return response; }
58 private:
59         void address_resolved(unsigned, const Net::SockAddr &);
60         void resolve_failed(unsigned, const std::exception &);
61         void connect_finished(const std::exception *);
62         void data_available();
63 };
64
65 } // namespace Http
66 } // namespace Msp
67
68 #endif