types
[oweals/gnunet.git] / src / fs / gnunet-download.c
index c6bb7c115bcca096ce85acca755446a7a9542469..681608d6bb7b22cf6cf60311222b0e0ddf70164f 100644 (file)
  * @author Igor Wronsky
  *
  * TODO:
- * - all
+ * - many command-line options
  */
 #include "platform.h"
 #include "gnunet_fs_service.h"
 
 static int ret;
 
+static int verbose;
+
+static int delete_incomplete;
+
 static const struct GNUNET_CONFIGURATION_Handle *cfg;
 
 static struct GNUNET_FS_Handle *ctx;
 
-static struct GNUNET_TIME_Absolute start_time;
+static struct GNUNET_FS_DownloadContext *dc;
 
 static unsigned int anonymity = 1;
 
+static char *filename;
 
 /**
  * Called by FS client to give information about the progress of an 
@@ -59,6 +64,44 @@ static void *
 progress_cb (void *cls,
             const struct GNUNET_FS_ProgressInfo *info)
 {
+  switch (info->status)
+    {
+    case GNUNET_FS_STATUS_DOWNLOAD_START:
+      break;
+    case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
+      if (verbose)
+       fprintf (stdout,
+                _("Downloading `%s' at %llu/%llu (%s remaining, %s/s)\n"),
+                info->value.download.filename,
+                (unsigned long long) info->value.download.completed,
+                (unsigned long long) info->value.download.length,
+                GNUNET_STRINGS_relative_time_to_string(info->value.download.eta),
+                GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000 / (info->value.download.duration.value + 1)));
+      break;
+    case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
+      fprintf (stderr,
+              _("Error downloading: %s.\n"),
+              info->value.download.specifics.error.message);
+      GNUNET_FS_file_download_stop (dc, delete_incomplete); 
+      break;
+    case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
+      fprintf (stdout,
+              _("Downloading `%s' done (%s/s).\n"),
+              info->value.download.filename,
+              GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000 / (info->value.download.duration.value + 1)));
+      if (info->value.download.dc == dc)
+       GNUNET_FS_file_download_stop (dc, delete_incomplete);
+      break;
+    case GNUNET_FS_STATUS_DOWNLOAD_STOPPED: 
+      if (info->value.download.dc == dc)
+       GNUNET_FS_stop (ctx);
+      break;      
+    default:
+      fprintf (stderr,
+              _("Unexpected status: %d\n"),
+              info->status);
+      break;
+    }
   return NULL;
 }
 
@@ -79,23 +122,66 @@ run (void *cls,
      const char *cfgfile,
      const struct GNUNET_CONFIGURATION_Handle *c)
 {
+  struct GNUNET_FS_Uri *uri;
+  char *emsg;
+  enum GNUNET_FS_DownloadOptions options;
+
   /* FIXME: check arguments */
+  uri = GNUNET_FS_uri_parse (args[0],
+                            &emsg);
+  if (NULL == uri)
+    {
+      fprintf (stderr,
+              _("Failed to parse URI: %s\n"),
+              emsg);
+      GNUNET_free (emsg);
+      ret = 1;
+      return;
+    }
+  if (! GNUNET_FS_uri_test_chk (uri))
+    {
+      fprintf (stderr,
+              "Only CHK URIs supported right now.\n");
+      ret = 1;
+      GNUNET_FS_uri_destroy (uri);
+      return;           
+    }
+  if (NULL == filename)
+    {
+      fprintf (stderr,
+              "Target filename must be specified.\n");
+      ret = 1;
+      GNUNET_FS_uri_destroy (uri);
+      return;           
+    }
   cfg = c;
   ctx = GNUNET_FS_start (sched,
                         cfg,
                         "gnunet-download",
                         &progress_cb,
-                        NULL);
+                        NULL,
+                        GNUNET_FS_FLAGS_NONE,
+                        GNUNET_FS_OPTIONS_END);
   if (NULL == ctx)
     {
       fprintf (stderr,
               _("Could not initialize `%s' subsystem.\n"),
               "FS");
+      GNUNET_FS_uri_destroy (uri);
       ret = 1;
       return;
     }
-  start_time = GNUNET_TIME_absolute_get ();
-  // FIXME: start download
+  options = GNUNET_FS_DOWNLOAD_OPTION_NONE;
+  dc = GNUNET_FS_file_download_start (ctx,
+                                     uri,
+                                     NULL,
+                                     filename,
+                                     0,
+                                     GNUNET_FS_uri_chk_get_file_size (uri),
+                                     anonymity,
+                                     options,
+                                     NULL);
+  GNUNET_FS_uri_destroy (uri);
 }
 
 
@@ -106,7 +192,31 @@ static struct GNUNET_GETOPT_CommandLineOption options[] = {
   {'a', "anonymity", "LEVEL",
    gettext_noop ("set the desired LEVEL of receiver-anonymity"),
    1, &GNUNET_GETOPT_set_uint, &anonymity},
+#if 0
   // FIXME: options!
+  {'d', "directory", NULL,
+   gettext_noop
+   ("download a GNUnet directory that has already been downloaded.  Requires that a filename of an existing file is specified instead of the URI.  The download will only download the top-level files in the directory unless the `-R' option is also specified."),
+   0, &GNUNET_getopt_configure_set_one, &do_directory},
+  {'D', "delete-incomplete", NULL,
+   gettext_noop ("delete incomplete downloads (when aborted with CTRL-C)"),
+   0, &GNUNET_getopt_configure_set_one, &do_delete_incomplete},
+#endif
+  {'o', "output", "FILENAME",
+   gettext_noop ("write the file to FILENAME"),
+   1, &GNUNET_GETOPT_set_string, &filename},
+#if 0
+  {'p', "parallelism", "DOWNLOADS",
+   gettext_noop
+   ("set the maximum number of parallel downloads that are allowed"),
+   1, &GNUNET_getopt_configure_set_uint, &parallelism},
+  {'R', "recursive", NULL,
+   gettext_noop ("download a GNUnet directory recursively"),
+   0, &GNUNET_getopt_configure_set_one, &do_recursive},
+#endif
+  {'V', "verbose", NULL,
+   gettext_noop ("be verbose (print progress information)"),
+   0, &GNUNET_GETOPT_set_one, &verbose},
   GNUNET_GETOPT_OPTION_END
 };