#include <exception>
+#include <typeinfo>
#include <msp/core/maputils.h>
#include <msp/core/refptr.h>
+#include <msp/debug/demangle.h>
#include <msp/net/inet.h>
#include <msp/net/resolve.h>
#include <msp/net/streamsocket.h>
#include <msp/strings/format.h>
+#include <msp/strings/utils.h>
#include "request.h"
#include "response.h"
#include "server.h"
namespace Msp {
namespace Http {
+Server::Server():
+ sock(Net::INET6),
+ event_disp(0)
+{ }
+
Server::Server(unsigned port):
- sock(Net::INET),
+ sock(Net::INET6),
event_disp(0)
{
- sock.signal_data_available.connect(sigc::mem_fun(this, &Server::data_available));
- RefPtr<Net::SockAddr> addr = Net::resolve("*", format("%d", port));
- sock.listen(*addr, 8);
+ listen(port);
}
// Avoid emitting sigc::signal destructor in files including server.h
{
}
+void Server::listen(unsigned port)
+{
+ RefPtr<Net::SockAddr> addr = Net::resolve("*", format("%d", port), Net::INET6);
+ sock.listen(*addr, 8);
+ sock.signal_data_available.connect(sigc::mem_fun(this, &Server::data_available));
+}
+
unsigned Server::get_port() const
{
const Net::SockAddr &addr = sock.get_local_address();
if(event_disp)
{
event_disp->remove(sock);
- for(list<Client>::iterator i=clients.begin(); i!=clients.end(); ++i)
- event_disp->remove(*i->sock);
+ for(Client &c: clients)
+ event_disp->remove(*c.sock);
}
event_disp = ed;
if(event_disp)
{
event_disp->add(sock);
- for(list<Client>::iterator i=clients.begin(); i!=clients.end(); ++i)
- event_disp->add(*i->sock);
+ for(Client &c: clients)
+ event_disp->add(*c.sock);
}
}
send_response(cl, *cl.response);
}
+void Server::cancel_keepalive(Response &resp)
+{
+ get_client_by_response(resp).keepalive = false;
+}
+
+void Server::close_connections(const Time::TimeDelta &timeout)
+{
+ IO::Poller poller;
+ for(Client &c: clients)
+ {
+ c.sock->shutdown(IO::M_WRITE);
+ poller.set_object(*c.sock, IO::P_INPUT);
+ }
+
+ while(!clients.empty() && poller.poll(timeout))
+ {
+ for(const IO::Poller::PolledObject &p: poller.get_result())
+ for(auto j=clients.begin(); j!=clients.end(); ++j)
+ if(j->sock.get()==p.object)
+ {
+ poller.set_object(*j->sock, IO::P_NONE);
+ clients.erase(j);
+ break;
+ }
+ }
+}
+
void Server::data_available()
{
Net::StreamSocket *csock = sock.accept();
void Server::client_data_available(Client &cl)
{
- for(list<Client>::iterator i=clients.begin(); i!=clients.end(); ++i)
+ for(auto i=clients.begin(); i!=clients.end(); ++i)
if(i->stale && &*i!=&cl)
{
clients.erase(i);
break;
}
- char rbuf[4096];
- unsigned len = cl.sock->read(rbuf, sizeof(rbuf));
- if(cl.stale)
+ try
+ {
+ char rbuf[4096];
+ unsigned len = cl.sock->read(rbuf, sizeof(rbuf));
+ if(cl.stale)
+ return;
+ cl.in_buf.append(rbuf, len);
+ }
+ catch(const exception &)
+ {
+ cl.stale = true;
return;
- cl.in_buf.append(rbuf, len);
+ }
RefPtr<Response> response;
if(!cl.request)
cl.request = new Request(Request::parse(cl.in_buf));
string addr_str = cl.sock->get_peer_address().str();
- unsigned colon = addr_str.find(':');
+ string::size_type colon = addr_str.find(':');
cl.request->set_header("-Client-Host", addr_str.substr(0, colon));
if(cl.request->get_method()!="GET" && cl.request->get_method()!="POST")
catch(const exception &e)
{
response = new Response(BAD_REQUEST);
- response->add_content(e.what());
+ response->add_content(format("An error occurred while parsing request headers:\ntype: %s\nwhat: %s",
+ Debug::demangle(typeid(e).name()), e.what()));
}
cl.in_buf = string();
}
}
else
{
- len = cl.request->parse_content(cl.in_buf);
+ unsigned len = cl.request->parse_content(cl.in_buf);
cl.in_buf.erase(0, len);
}
{
cl.keepalive = false;
if(cl.request->has_header("Connection"))
- cl.keepalive = (cl.request->get_header("Connection")=="keep-alive");
+ cl.keepalive = !strcasecmp(cl.request->get_header("Connection"), "keep-alive");
response = new Response(NONE);
try
responses.erase(cl.response);
cl.response = 0;
response = new Response(INTERNAL_ERROR);
- response->add_content(e.what());
+ response->add_content(format("An error occurred while processing the request:\ntype: %s\nwhat: %s",
+ Debug::demangle(typeid(e).name()), e.what()));
}
}
void Server::send_response(Client &cl, Response &resp)
{
- cl.sock->write(resp.str());
+ if(cl.keepalive)
+ resp.set_header("Connection", "keep-alive");
+
+ try
+ {
+ cl.sock->write(resp.str());
+ }
+ catch(const exception &)
+ {
+ cl.stale = true;
+ return;
+ }
+
cl.async = false;
if(cl.keepalive)
{