-fix #2598

[oweals/gnunet.git] / src / fs / gnunet-download.c

diff --git a/src/fs/gnunet-download.c b/src/fs/gnunet-download.c
index bd5b09c0d520b769af0d9e81a203f0a9edc076ba..093dd7bdc5c01616f900ce0324ab393d89ce004c 100644 (file)
--- a/src/fs/gnunet-download.c
+++ b/src/fs/gnunet-download.c
@@ -52,6 +52,7 @@ static char *filename;
 
 static int local_only;
 
+
 static void
 cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
@@ -63,17 +64,52 @@ cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 static void
 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
-  struct GNUNET_FS_DownloadContext *d;
-
-  if (dc != NULL)
+  if (NULL != dc)
   {
-    d = dc;
+    GNUNET_FS_download_stop (dc, delete_incomplete);
     dc = NULL;
-    GNUNET_FS_download_stop (d, delete_incomplete);
   }
 }
 
 
+/**
+ * Display progress bar (if tty).
+ *
+ * @param x current position in the download
+ * @param n total size of the download
+ * @param w desired number of steps in the progress bar
+ */
+static void 
+display_bar (unsigned long long x, 
+            unsigned long long n, 
+            unsigned int w)
+{
+  char buf[w + 20];
+  unsigned int p;
+  unsigned int endeq;
+  float ratio_complete;
+
+#if !WINDOWS
+  if (0 == isatty (1))
+    return;
+#else
+  if (FILE_TYPE_CHAR != GetFileType (GetStdHandle (STD_OUTPUT_HANDLE)))
+    return;
+#endif
+  ratio_complete = x/(float)n;
+  endeq = ratio_complete * w;
+  GNUNET_snprintf (buf, sizeof (buf),
+                  "%3d%% [", (int)(ratio_complete*100) );
+  for (p=0; p<endeq; p++)
+    strcat (buf, "=");
+  for (p=endeq; p<w; p++)
+    strcat (buf, " ");
+  strcat (buf, "]\r");
+  printf ("%s", buf);
+  fflush(stdout);
+}
+
+
 /**
  * Called by FS client to give information about the progress of an
  * operation.
@@ -91,7 +127,7 @@ static void *
 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
 {
   char *s;
-  char *s2;
+  const char *s2;
   char *t;
 
   switch (info->status)
@@ -104,13 +140,15 @@ progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
   case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
     if (verbose)
     {
-      s = GNUNET_STRINGS_relative_time_to_string (info->value.download.eta);
+      s = GNUNET_strdup (GNUNET_STRINGS_relative_time_to_string (info->value.download.eta,
+                                                                GNUNET_YES));
       if (info->value.download.specifics.progress.block_download_duration.rel_value 
           == GNUNET_TIME_UNIT_FOREVER_REL.rel_value)
-        s2 = GNUNET_strdup (_("<unknown time>"));
+        s2 = _("<unknown time>");
       else
         s2 = GNUNET_STRINGS_relative_time_to_string (
-              info->value.download.specifics.progress.block_download_duration);
+                                                    info->value.download.specifics.progress.block_download_duration,
+                                                    GNUNET_YES);
       t = GNUNET_STRINGS_byte_size_fancy (info->value.download.completed *
                                           1000LL /
                                           (info->value.download.
@@ -121,11 +159,23 @@ progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
                (unsigned long long) info->value.download.completed,
                (unsigned long long) info->value.download.size, s, t, s2);
       GNUNET_free (s);
-      GNUNET_free (s2);
       GNUNET_free (t);
     }
+    else
+    {
+      display_bar (info->value.download.completed,
+                  info->value.download.size,
+                  60);
+    }
     break;
   case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
+#if !WINDOWS
+    if (0 != isatty (1))
+      fprintf (stdout, "\n");
+#else
+    if (FILE_TYPE_CHAR == GetFileType (GetStdHandle (STD_OUTPUT_HANDLE)))
+      fprintf (stdout, "\n");
+#endif
     FPRINTF (stderr, _("Error downloading: %s.\n"),
              info->value.download.specifics.error.message);
     GNUNET_SCHEDULER_shutdown ();
@@ -134,6 +184,13 @@ progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
     s = GNUNET_STRINGS_byte_size_fancy (info->value.download.completed * 1000 /
                                         (info->value.download.
                                          duration.rel_value + 1));
+#if !WINDOWS
+    if (0 != isatty (1))
+      fprintf (stdout, "\n");
+#else
+    if (FILE_TYPE_CHAR == GetFileType (GetStdHandle (STD_OUTPUT_HANDLE)))
+      fprintf (stdout, "\n");
+#endif
     FPRINTF (stdout, _("Downloading `%s' done (%s/s).\n"),
              info->value.download.filename, s);
     GNUNET_free (s);