fix
[oweals/gnunet.git] / src / fs / gnunet-download.c
index 681608d6bb7b22cf6cf60311222b0e0ddf70164f..a171006cb57e1fb7e98662ba78f3534658d00bff 100644 (file)
@@ -24,9 +24,6 @@
  * @author Krista Bennett
  * @author James Blackwell
  * @author Igor Wronsky
- *
- * TODO:
- * - many command-line options
  */
 #include "platform.h"
 #include "gnunet_fs_service.h"
@@ -41,12 +38,46 @@ static const struct GNUNET_CONFIGURATION_Handle *cfg;
 
 static struct GNUNET_FS_Handle *ctx;
 
+static struct GNUNET_SCHEDULER_Handle *sched;
+
 static struct GNUNET_FS_DownloadContext *dc;
 
 static unsigned int anonymity = 1;
 
+static unsigned int parallelism = 16;
+
+static unsigned int request_parallelism = 4092;
+
+static int do_recursive;
+
 static char *filename;
 
+static int local_only;
+
+static void
+cleanup_task (void *cls,
+             const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  GNUNET_FS_stop (ctx);
+  ctx = NULL;
+}
+
+
+static void
+shutdown_task (void *cls,
+             const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct GNUNET_FS_DownloadContext *d;
+
+  if (dc != NULL)
+    {
+      d = dc;
+      dc = NULL;
+      GNUNET_FS_download_stop (d, delete_incomplete);
+    }
+}
+
+
 /**
  * Called by FS client to give information about the progress of an 
  * operation.
@@ -64,38 +95,55 @@ static void *
 progress_cb (void *cls,
             const struct GNUNET_FS_ProgressInfo *info)
 {
+  char *s;
+  char *t;
+
   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)));
+       {         
+         s = GNUNET_STRINGS_relative_time_to_string(info->value.download.eta);
+         t = GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000LL / (info->value.download.duration.value + 1));
+         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.size,
+                  s,
+                  t);
+         GNUNET_free (s);
+         GNUNET_free (t);
+       }
       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); 
+      GNUNET_SCHEDULER_shutdown (sched);
       break;
     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
+      s = GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000 / (info->value.download.duration.value + 1));
       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)));
+              s);
+      GNUNET_free (s);
       if (info->value.download.dc == dc)
-       GNUNET_FS_file_download_stop (dc, delete_incomplete);
+       GNUNET_SCHEDULER_shutdown (sched);
       break;
     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED: 
       if (info->value.download.dc == dc)
-       GNUNET_FS_stop (ctx);
+       GNUNET_SCHEDULER_add_continuation (sched,
+                                          &cleanup_task,
+                                          NULL,
+                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
       break;      
+    case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
+    case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
+      break;
     default:
       fprintf (stderr,
               _("Unexpected status: %d\n"),
@@ -110,14 +158,14 @@ progress_cb (void *cls,
  * Main function that will be run by the scheduler.
  *
  * @param cls closure
- * @param sched the scheduler to use
+ * @param s the scheduler to use
  * @param args remaining command-line arguments
  * @param cfgfile name of the configuration file used (for saving, can be NULL!)
- * @param cfg configuration
+ * @param c configuration
  */
 static void
 run (void *cls,
-     struct GNUNET_SCHEDULER_Handle *sched,
+     struct GNUNET_SCHEDULER_Handle *s,
      char *const *args,
      const char *cfgfile,
      const struct GNUNET_CONFIGURATION_Handle *c)
@@ -126,7 +174,7 @@ run (void *cls,
   char *emsg;
   enum GNUNET_FS_DownloadOptions options;
 
-  /* FIXME: check arguments */
+  sched = s;
   uri = GNUNET_FS_uri_parse (args[0],
                             &emsg);
   if (NULL == uri)
@@ -161,6 +209,10 @@ run (void *cls,
                         &progress_cb,
                         NULL,
                         GNUNET_FS_FLAGS_NONE,
+                        GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM,
+                        parallelism,
+                        GNUNET_FS_OPTIONS_REQUEST_PARALLELISM,
+                        request_parallelism,
                         GNUNET_FS_OPTIONS_END);
   if (NULL == ctx)
     {
@@ -172,55 +224,34 @@ run (void *cls,
       return;
     }
   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);
+  if (do_recursive)
+    options |= GNUNET_FS_DOWNLOAD_OPTION_RECURSIVE;
+  if (local_only)
+    options |= GNUNET_FS_DOWNLOAD_OPTION_LOOPBACK_ONLY;
+  dc = GNUNET_FS_download_start (ctx,
+                                uri,
+                                NULL,
+                                filename, NULL,
+                                0,
+                                GNUNET_FS_uri_chk_get_file_size (uri),
+                                anonymity,
+                                options,
+                                NULL,
+                                NULL);
   GNUNET_FS_uri_destroy (uri);
+  if (dc == NULL)
+    {
+      GNUNET_FS_stop (ctx);
+      ctx = NULL;
+      return;
+    }
+  GNUNET_SCHEDULER_add_delayed (sched,
+                               GNUNET_TIME_UNIT_FOREVER_REL,
+                               &shutdown_task,
+                               NULL);
 }
 
 
-/**
- * gnunet-download command line options
- */
-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
-};
-
-
 /**
  * The main function to download GNUnet.
  *
@@ -231,6 +262,35 @@ static struct GNUNET_GETOPT_CommandLineOption options[] = {
 int
 main (int argc, char *const *argv)
 {
+  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    {'a', "anonymity", "LEVEL",
+     gettext_noop ("set the desired LEVEL of receiver-anonymity"),
+     1, &GNUNET_GETOPT_set_uint, &anonymity},
+    {'D', "delete-incomplete", NULL,
+     gettext_noop ("delete incomplete downloads (when aborted with CTRL-C)"),
+     0, &GNUNET_GETOPT_set_one, &delete_incomplete},
+    {'n', "no-network", NULL,
+     gettext_noop ("only search the local peer (no P2P network search)"),
+     1, &GNUNET_GETOPT_set_uint, &local_only},
+    {'o', "output", "FILENAME",
+     gettext_noop ("write the file to FILENAME"),
+     1, &GNUNET_GETOPT_set_string, &filename},
+    {'p', "parallelism", "DOWNLOADS",
+     gettext_noop
+     ("set the maximum number of parallel downloads that is allowed"),
+     1, &GNUNET_GETOPT_set_uint, &parallelism},
+    {'r', "request-parallelism", "REQUESTS",
+     gettext_noop
+     ("set the maximum number of parallel requests for blocks that is allowed"),
+     1, &GNUNET_GETOPT_set_uint, &request_parallelism},
+    {'R', "recursive", NULL,
+     gettext_noop ("download a GNUnet directory recursively"),
+     0, &GNUNET_GETOPT_set_one, &do_recursive},
+    {'V', "verbose", NULL,
+     gettext_noop ("be verbose (print progress information)"),
+     0, &GNUNET_GETOPT_set_one, &verbose},
+    GNUNET_GETOPT_OPTION_END
+  };
   return (GNUNET_OK ==
           GNUNET_PROGRAM_run (argc,
                               argv,