2007-04-03 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Connect to a peer actively when download speed is lower than 
specified
	speed in torrent download:
	* src/ActivePeerConnectionCommand.h: New class.

1 files changed, 68 insertions, 0 deletions

diff --git a/src/ActivePeerConnectionCommand.cc b/src/ActivePeerConnectionCommand.cc
new file mode 100644
index 00000000..508e65ef
--- /dev/null
+++ b/src/ActivePeerConnectionCommand.cc
@@ -0,0 +1,68 @@
+/* <!-- copyright */
+/*
+ * aria2 - The high speed download utility
+ *
+ * Copyright (C) 2006 Tatsuhiro Tsujikawa
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  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.
+ */
+/* copyright --> */
+#include "ActivePeerConnectionCommand.h"
+#include "PeerInitiateConnectionCommand.h"
+
+bool ActivePeerConnectionCommand::execute() {
+  if(btRuntime->isHalt()) {
+    return true;
+  }
+  if(checkPoint.elapsed(interval)) {
+    checkPoint.reset();
+
+    TransferStat tstat = peerStorage->calculateStat();
+    if(tstat.getDownloadSpeed() < _lowestSpeedLimit) {
+      for(int i = 0; i < _numNewConnection && peerStorage->isPeerAvailable(); ++i) {
+	PeerHandle peer = peerStorage->getUnusedPeer();
+	connectToPeer(peer);
+      }
+    }
+  }
+  e->commands.push_back(this);
+  return false;
+}
+
+void ActivePeerConnectionCommand::connectToPeer(const PeerHandle& peer)
+{
+  if(peer.isNull()) {
+    return;
+  }
+  peer->cuid = btRuntime->getNewCuid();
+  PeerInitiateConnectionCommand* command =
+    new PeerInitiateConnectionCommand(peer->cuid, peer, e, btContext);
+  e->commands.push_back(command);
+  logger->info("CUID#%d - Active Connect to the peer %s",
+	       cuid, peer->ipaddr.c_str());
+}