* Added missing files.

* Inserted more error-checking in kqueue and fixed some potential bugs.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@1066 e378c898-3ddf-0310-93e7-cc216c733640

src/core/curl_socket.cc

@@ -0,0 +1,127 @@
+// rTorrent - BitTorrent client
+// Copyright (C) 2005-2008, 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
+
+#include "config.h"
+
+#include <curl/curl.h>
+#include <curl/multi.h>
+
+#include <torrent/poll.h>
+#include <torrent/exceptions.h>
+
+#include "control.h"
+
+#include "curl_socket.h"
+#include "curl_stack.h"
+
+namespace core {
+
+int
+CurlSocket::receive_socket(void* easy_handle, curl_socket_t fd, int what, void* userp, void* socketp) {
+  CurlStack* stack = (CurlStack*)userp;
+  CurlSocket* socket = (CurlSocket*)socketp;
+
+  if (what == CURL_POLL_REMOVE) {
+    // We also probably need the special code here as we're not
+    // guaranteed that the fd will be closed, afaik.
+    if (socket != NULL)
+      socket->close();
+
+    // TODO: Consider the possibility that we'll need to set the
+    // fd-associated pointer curl holds to NULL.
+
+    delete socket;
+    return 0;
+  }
+
+  if (socket == NULL) {
+    socket = stack->new_socket(fd);
+    control->poll()->open(socket);
+
+    // No interface for libcurl to signal when it's interested in error events.
+    // Assume that hence it must always be interested in them.
+    control->poll()->insert_error(socket);
+  } 
+
+  if (what == CURL_POLL_NONE || what == CURL_POLL_OUT)
+    control->poll()->remove_read(socket);
+  else
+    control->poll()->insert_read(socket);
+
+  if (what == CURL_POLL_NONE || what == CURL_POLL_IN)
+    control->poll()->remove_write(socket);
+  else
+    control->poll()->insert_write(socket);
+
+  return 0;
+}
+
+CurlSocket::~CurlSocket() {
+  if (m_fileDesc != -1)
+    throw torrent::internal_error("CurlSocket::~CurlSocket() m_fileDesc != -1.");
+}
+
+void
+CurlSocket::close() {
+  if (m_fileDesc == -1)
+    throw torrent::internal_error("CurlSocket::close() m_fileDesc == -1.");
+
+  // Extra cleanup to avoid leaving dangling polling events in case
+  // libcurl decides to leave the fd open for reuse.
+  control->poll()->remove_read(this);
+  control->poll()->remove_write(this);
+  control->poll()->remove_error(this);
+
+  control->poll()->closed(this);
+  m_fileDesc = -1;
+}
+
+void
+CurlSocket::event_read() {
+  return m_stack->receive_action(this, CURL_CSELECT_IN);
+}
+
+void
+CurlSocket::event_write() {
+  return m_stack->receive_action(this, CURL_CSELECT_OUT);
+}
+
+void
+CurlSocket::event_error() {
+  return m_stack->receive_action(this, CURL_CSELECT_ERR);
+}
+
+}