Support handling requests asynchronously

[libs/net.git] / source / server.cpp

diff --git a/source/server.cpp b/source/server.cpp
index 7f159ac8497c10c48019e8f90e81f82dfbfa5e29..04eea524ec895637ae34d7c302a2fe5b621d89a0 100644 (file)
--- a/source/server.cpp
+++ b/source/server.cpp
@@ -26,6 +26,14 @@ Server::Server(unsigned port):
        sock.listen(Net::InetAddr(0, port), 8);
 }
 
+unsigned Server::get_port() const
+{
+       const Net::SockAddr &addr=sock.get_local_address();
+       if(addr.get_family()==Net::INET)
+               return static_cast<const Net::InetAddr &>(addr).get_port();
+       return 0;
+}
+
 void Server::use_event_dispatcher(IO::EventDispatcher *ed)
 {
        if(event_disp)
@@ -43,6 +51,22 @@ void Server::use_event_dispatcher(IO::EventDispatcher *ed)
        }
 }
 
+void Server::delay_response(Response &resp)
+{
+       get_client_by_response(resp).async=true;
+}
+
+void Server::submit_response(Response &resp)
+{
+       Client &cl=get_client_by_response(resp);
+       if(cl.async)
+       {
+               cl.sock->write(resp.str());
+               cl.sock->close();
+               cl.stale=true;
+       }
+}
+
 void Server::data_available()
 {
        Net::StreamSocket *csock=sock.accept();
@@ -74,6 +98,11 @@ void Server::client_data_available(Client &cl)
                        try
                        {
                                cl.request=new Request(Request::parse(cl.in_buf));
+
+                               string addr_str=cl.sock->get_peer_address().str();
+                               unsigned colon=addr_str.find(':');
+                               cl.request->set_header("-Client-Host", addr_str.substr(0, colon));
+
                                if(cl.request->get_method()!="GET")
                                {
                                        response=new Response(NOT_IMPLEMENTED);
@@ -99,15 +128,23 @@ void Server::client_data_available(Client &cl)
                response=new Response(NONE);
                try
                {
+                       cl.response=response.get();
                        signal_request.emit(*cl.request, *response);
-                       if(response->get_status()==NONE)
+                       if(cl.async)
+                               response.release();
+                       else
                        {
-                               response=new Response(NOT_FOUND);
-                               response->add_content("The requested resource was not found");
+                               cl.response=0;
+                               if(response->get_status()==NONE)
+                               {
+                                       response=new Response(NOT_FOUND);
+                                       response->add_content("The requested resource was not found");
+                               }
                        }
                }
                catch(const exception &e)
                {
+                       cl.response=0;
                        response=new Response(INTERNAL_ERROR);
                        response->add_content(e.what());
                }
@@ -126,16 +163,28 @@ void Server::client_end_of_file(Client &cl)
        cl.stale=true;
 }
 
+Server::Client &Server::get_client_by_response(Response &resp)
+{
+       for(list<Client>::iterator i=clients.begin(); i!=clients.end(); ++i)
+               if(i->response==&resp)
+                       return *i;
+
+       throw InvalidParameterValue("Response does not belong to any client");
+}
+
 
 Server::Client::Client(RefPtr<Net::StreamSocket> s):
        sock(s),
        request(0),
+       response(0),
+       async(false),
        stale(false)
 { }
 
 Server::Client::~Client()
 {
        delete request;
+       delete response;
 }
 
 } // namespace Http