1 #include <msp/core/except.h>
2 #include <msp/core/refptr.h>
3 #include <msp/net/resolve.h>
4 #include <msp/time/timedelta.h>
21 void Client::use_event_dispatcher(IO::EventDispatcher *ed)
23 if(event_disp && sock)
24 event_disp->remove(*sock);
26 if(event_disp && sock)
27 event_disp->add(*sock);
30 void Client::use_resolver(Net::Resolver *r)
34 delete resolve_listener;
35 resolve_listener = nullptr;
40 resolve_listener = new ResolveListener(*this);
43 void Client::start_request(const Request &r)
46 throw invalid_state("already processing a request");
51 request = new Request(r);
52 if(!user_agent.empty())
53 request->set_header("User-Agent", user_agent);
59 string host = r.get_header("Host");
60 if(host.find(':')==string::npos)
63 resolve_tag = resolver->resolve(host);
66 RefPtr<Net::SockAddr> addr = Net::resolve(host);
67 address_resolved(resolve_tag, *addr);
71 const Response *Client::get_url(const std::string &url)
73 start_request(Request::from_url(url));
83 while(IO::PollEvent ev = IO::poll(*sock, sock->get_events(), Time::zero))
86 if(response && response->is_complete())
88 signal_response_complete.emit(*response);
97 void Client::wait_response()
99 while(request && (!response || !response->is_complete()))
111 void Client::address_resolved(unsigned tag, const Net::SockAddr &addr)
117 sock = new Net::StreamSocket(addr.get_family());
118 sock->set_block(false);
120 sock->signal_data_available.connect(sigc::mem_fun(this, &Client::data_available));
121 sock->signal_connect_finished.connect(sigc::mem_fun(this, &Client::connect_finished));
123 event_disp->add(*sock);
128 void Client::resolve_failed(unsigned tag, const exception &err)
137 if(signal_socket_error.empty())
139 signal_socket_error.emit(err);
142 void Client::connect_finished(const exception *err)
149 if(signal_socket_error.empty())
151 signal_socket_error.emit(*err);
157 sock->write(request->str());
159 catch(const exception &e)
161 if(signal_socket_error.empty())
163 signal_socket_error.emit(e);
169 void Client::data_available()
175 len = sock->read(rbuf, sizeof(rbuf));
177 catch(const exception &e)
179 if(signal_socket_error.empty())
181 signal_socket_error.emit(e);
187 in_buf.append(rbuf, len);
191 if(in_buf.find("\r\n\r\n")!=string::npos || in_buf.find("\n\n")!=string::npos)
193 response = new Response(Response::parse(in_buf));
194 response->set_user_data(request->get_user_data());
200 len = response->parse_content(in_buf);
201 in_buf.erase(0, len);
204 if(response && response->is_complete())
206 signal_response_complete.emit(*response);
214 Client::ResolveListener::ResolveListener(Client &c):
217 client.resolver->signal_address_resolved.connect(sigc::mem_fun(this, &ResolveListener::address_resolved));
218 client.resolver->signal_resolve_failed.connect(sigc::mem_fun(this, &ResolveListener::resolve_failed));
221 void Client::ResolveListener::address_resolved(unsigned tag, const Net::SockAddr &addr)
223 client.address_resolved(tag, addr);
226 void Client::ResolveListener::resolve_failed(unsigned tag, const exception &err)
228 client.resolve_failed(tag, err);