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panda/src/downloader/downloader.I

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+// Filename: downloader.I
+// Created by:  mike (09Jan97)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
+//
+// All use of this software is subject to the terms of the Panda 3d
+// Software license.  You should have received a copy of this license
+// along with this source code; you will also find a current copy of
+// the license at http://www.panda3d.org/license.txt .
+//
+// To contact the maintainers of this program write to
+// panda3d@yahoogroups.com .
+//
+////////////////////////////////////////////////////////////////////
+
+#include "config_downloader.h"
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::get_file_size
+//       Access: Published
+//  Description: Returns the size of the file currently being
+//               downloaded, in bytes, if it is known.  Returns 0 if
+//               the file size is not known.
+//
+//               After a call to initiate(), this will return 0; at
+//               some later point, when the first response from the
+//               server is read, it may return the actual size of the
+//               file if the server told us.  It is possible the
+//               server will not tell us the size of the file, in
+//               which case this will always return 0.
+////////////////////////////////////////////////////////////////////
+INLINE int Downloader::
+get_file_size() const {
+  return _file_size;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::set_frequency
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE void Downloader::
+set_frequency(float frequency) {
+  nassertv(frequency > 0.0);
+  if (_frequency != frequency) {
+    _frequency = frequency;
+    _recompute_buffer = true;
+  }
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::get_frequency
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE float Downloader::
+get_frequency(void) const {
+  return _frequency;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::set_byte_rate
+//       Access: Public
+//  Description: Note: modem speeds are reported in bits, so you
+//               need to convert!
+////////////////////////////////////////////////////////////////////
+INLINE void Downloader::
+set_byte_rate(float bytes) {
+  nassertv(bytes > 0.0);
+  if (_byte_rate != bytes) {
+    _byte_rate = bytes;
+    _recompute_buffer = true;
+  }
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::get_byte_rate
+//       Access: Public
+//  Description: Returns byte rate in bytes.
+////////////////////////////////////////////////////////////////////
+INLINE float Downloader::
+get_byte_rate(void) const {
+  return _byte_rate;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::set_disk_write_frequency
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE void Downloader::
+set_disk_write_frequency(int frequency) {
+  nassertv(frequency > 0);
+  if (_disk_write_frequency != frequency) {
+    _disk_write_frequency = frequency;
+    _recompute_buffer = true;
+  }
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::get_disk_write_frequency
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE int Downloader::
+get_disk_write_frequency(void) const {
+  return _disk_write_frequency;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::get_bytes_written
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE int Downloader::
+get_bytes_written(void) const {
+  if (_ever_initiated == false) {
+    downloader_cat.warning()
+      << "Downloader::get_bytes_written() - Download has not been "
+      << "initiated" << endl;
+    return 0;
+  }
+  if (_current_status != NULL)
+    return _current_status->_total_bytes_written;
+  else
+    return _total_bytes_written;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::get_bytes_requested
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE int Downloader::
+get_bytes_requested(void) const {
+  if (_ever_initiated == false) {
+    downloader_cat.warning()
+      << "Downloader::get_bytes_requested() - Download has not been "
+      << "initiated" << endl;
+    return 0;
+  }
+  if (_current_status != NULL)
+    return _current_status->_total_bytes_requested;
+  else
+    return _total_bytes_requested;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: Downloader::get_bytes_per_second
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE float Downloader::
+get_bytes_per_second(void) const {
+  if (_ever_initiated == false) {
+    downloader_cat.warning()
+      << "Downloader::get_bytes_per_second() - Download has not been "
+      << "initiated" << endl;
+    return 0.0;
+  }
+  nassertr(_tlast - _tfirst > 0.0, 0.0);
+  nassertr(_current_status != NULL, 0.0);
+  return (float)((double)_current_status->_total_bytes / (_tlast - _tfirst));
+}