* Rewrote 'select' based polling in the client and finished the

'epoll' code. The client selects whichever is available on the current
platform.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@510 e378c898-3ddf-0310-93e7-cc216c733640

src/core/poll_manager.h

@@ -0,0 +1,90 @@
+// rTorrent - BitTorrent client
+// Copyright (C) 2005, Jari Sundell
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+// In addition, as a special exception, the copyright holders give
+// permission to link the code of portions of this program with the
+// OpenSSL library under certain conditions as described in each
+// individual source file, and distribute linked combinations
+// including the two.
+//
+// You must obey the GNU General Public License in all respects for
+// all of the code used other than OpenSSL.  If you modify file(s)
+// with this exception, you may extend this exception to your version
+// of the file(s), but you are not obligated to do so.  If you do not
+// wish to do so, delete this exception statement from your version.
+// If you delete this exception statement from all source files in the
+// program, then also delete it here.
+//
+// Contact:  Jari Sundell <jaris@ifi.uio.no>
+//
+//           Skomakerveien 33
+//           3185 Skoppum, NORWAY
+
+#ifndef RTORRENT_CORE_POLL_MANAGER_H
+#define RTORRENT_CORE_POLL_MANAGER_H
+
+#include <sys/select.h>
+#include <sigc++/signal.h>
+
+#include "curl_stack.h"
+#include "utils/timer.h"
+
+namespace torrent {
+  class Poll;
+}
+
+namespace core {
+
+// CurlStack really should be somewhere else, but that won't happen
+// until they add an epoll friendly API.
+
+class PollManager {
+public:
+  typedef sigc::signal0<void> Signal;
+
+  PollManager(int maxOpenSockets);
+  virtual ~PollManager();
+
+  unsigned int        get_max_open_sockets() const { return m_maxOpenSockets; }
+  CurlStack*          get_http_stack()             { return &m_httpStack; }
+
+  virtual torrent::Poll* get_torrent_poll() = 0;
+
+  virtual void        poll(utils::Timer timeout) = 0;
+
+  // Use a signal, connect checking for input and updating the display.
+  Signal&             signal_interrupted()         { return m_signalInterrupted; }
+
+protected:
+  PollManager(const PollManager&);
+  void operator = (const PollManager&);
+
+  void                check_error();
+
+  unsigned int        m_maxOpenSockets;
+  CurlStack           m_httpStack;
+
+  fd_set*             m_readSet;
+  fd_set*             m_writeSet;
+  fd_set*             m_errorSet;
+
+  Signal              m_signalInterrupted;
+};
+
+}
+
+#endif