src/network/progress.h

   1 #ifndef EL__NETWORK_PROGRESS_H
   2 #define EL__NETWORK_PROGRESS_H
   3
   4 #include "main/timer.h" /* timer_id_T */
   5 #include "util/time.h"
   6
   7 #define CURRENT_SPD_SEC         50      /* number of seconds */
   8
   9 struct progress {
  10         timeval_T elapsed;
  11         timeval_T last_time;
  12         timeval_T dis_b;
  13         timeval_T estimated_time;
  14
  15         int average_speed;      /* bytes/second */
  16         int current_speed;      /* bytes/second */
  17
  18         unsigned int valid:1;
  19         off_t size;
  20         off_t loaded, last_loaded;
  21         off_t cur_loaded;
  22
  23         /* This is offset where the download was resumed possibly */
  24         /* progress->start == -1 means normal session, not download
  25          *            ==  0 means download
  26          *             >  0 means resume
  27          * --witekfl */
  28         off_t start;
  29         /* This is absolute position in the stream
  30          * (relative_position = pos - start) (maybe our fictional
  31          * relative_position is equiv to loaded, but I'd rather not rely on it
  32          * --pasky). */
  33         off_t pos;
  34         /* If this is non-zero, it indicates that we should seek in the
  35          * stream to the value inside before the next write (and zero this
  36          * counter then, obviously). */
  37         off_t seek;
  38
  39         timer_id_T timer;
  40         void (*timer_func)(void *);
  41         void *timer_func_data;
  42
  43         int data_in_secs[CURRENT_SPD_SEC];
  44 };
  45
  46 struct progress *init_progress(off_t start);
  47 void done_progress(struct progress *progress);
  48 void update_progress(struct progress *progress, off_t loaded, off_t size, off_t pos);
  49 void start_update_progress(struct progress *progress, void (*timer_func)(void *), void *timer_func_data);
  50
  51 int has_progress(struct progress *progress);
  52
  53 #endif