added bittorrent support(experimental)

1 files changed, 132 insertions, 0 deletions

diff --git a/src/TorrentConsoleDownloadEngine.cc b/src/TorrentConsoleDownloadEngine.cc
new file mode 100644
index 00000000..8a793e91
--- /dev/null
+++ b/src/TorrentConsoleDownloadEngine.cc
@@ -0,0 +1,132 @@
+/* <!-- copyright */
+/*
+ * aria2 - a simple utility for downloading files faster
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+/* copyright --> */
+#include "TorrentConsoleDownloadEngine.h"
+#include "Util.h"
+
+TorrentConsoleDownloadEngine::TorrentConsoleDownloadEngine() {}
+
+TorrentConsoleDownloadEngine::~TorrentConsoleDownloadEngine() {}
+
+void TorrentConsoleDownloadEngine::printStatistics() {
+  printf("\r                                                                            ");
+  printf("\r");
+  printf("%s/%sB %d%% DW:%.2f UP:%.2f(%s) %dpeers",
+	 Util::llitos(torrentMan->getDownloadedSize(), true).c_str(),
+	 Util::llitos(torrentMan->totalSize, true).c_str(),
+	 (torrentMan->totalSize == 0 ?
+	  0 : (int)((torrentMan->getDownloadedSize()*100)/torrentMan->totalSize)),
+	 downloadSpeed/1000.0,
+	 uploadSpeed/1000.0,
+	 Util::llitos(torrentMan->getUploadedSize(), true).c_str(),
+	 torrentMan->connections);
+  fflush(stdout);	 
+}
+
+void TorrentConsoleDownloadEngine::initStatistics() {
+  /*
+  gettimeofday(&cp, NULL);
+  */
+  downloadSpeed = 0;
+  uploadSpeed = 0;
+  /*
+  sessionDownloadSize = 0;
+  sessionUploadSize = 0;
+  */
+  lastElapsed = 0;
+  gettimeofday(&cp[0], NULL);
+  gettimeofday(&cp[1], NULL);
+  sessionDownloadSize[0] = 0;
+  sessionDownloadSize[1] = 0;
+  sessionUploadSize[0] = 0;
+  sessionUploadSize[1] = 0;
+  currentCp = 0;
+}
+
+/*
+int TorrentConsoleDownloadEngine::calculateSpeed(int deltaSize, long long int elapsed, int prevSpeed) {
+  int nowSpeed = (int)(deltaSize/(elapsed/1000000.0));
+  return (nowSpeed+prevSpeed)/2;
+}
+*/
+int TorrentConsoleDownloadEngine::calculateSpeed(long long int sessionSize, long long int elapsed) {
+  int nowSpeed = (int)(sessionSize/(elapsed/1000000.0));
+  return nowSpeed;
+}
+
+void TorrentConsoleDownloadEngine::calculateStatistics() {
+  /*
+  struct timeval now;
+  gettimeofday(&now, NULL);
+  long long int elapsed = Util::difftv(now, cp);
+  sessionDownloadSize += torrentMan->getDeltaDownload();
+  sessionUploadSize += torrentMan->getDeltaUpload();
+  
+  downloadSpeed = calculateSpeed(sessionDownloadSize, elapsed);
+  uploadSpeed = calculateSpeed(sessionUploadSize, elapsed);
+  torrentMan->resetDeltaDownload();
+  torrentMan->resetDeltaUpload();
+  if(elapsed-lastElapsed >= 1000000) {
+    printStatistics();
+    lastElapsed = elapsed;
+  }
+  */
+  struct timeval now;
+  gettimeofday(&now, NULL);
+  long long int elapsed = Util::difftv(now, cp[currentCp]);
+
+  sessionDownloadSize[0] += torrentMan->getDeltaDownload();
+  sessionUploadSize[0] += torrentMan->getDeltaUpload();
+  sessionDownloadSize[1] += torrentMan->getDeltaDownload();
+  sessionUploadSize[1] += torrentMan->getDeltaUpload();
+
+  downloadSpeed = calculateSpeed(sessionDownloadSize[currentCp], elapsed);
+  uploadSpeed = calculateSpeed(sessionUploadSize[currentCp], elapsed);
+
+  torrentMan->resetDeltaDownload();
+  torrentMan->resetDeltaUpload();
+
+  if(elapsed-lastElapsed >= 1000000) {
+    printStatistics();
+    lastElapsed = elapsed;
+  }
+
+  if(elapsed > 15*1000000) {
+    sessionDownloadSize[currentCp] = 0;
+    sessionUploadSize[currentCp] = 0;
+    cp[currentCp] = now;
+    lastElapsed = 0;
+    currentCp = currentCp ? 0 : 1;
+  }
+
+    /*
+    if(elapsed >= 1000000) {
+      downloadSpeed = calculateSpeed(torrentMan->getDeltaDownload(),
+				     elapsed, downloadSpeed);
+      uploadSpeed = calculateSpeed(torrentMan->getDeltaUpload(),
+				   elapsed, uploadSpeed);
+      torrentMan->resetDeltaDownload();
+      torrentMan->resetDeltaUpload();
+      cp = now;
+      printStatistics();
+    }
+    */
+}