示例#1
0
static gboolean datasource_osm_my_traces_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw, DownloadMapOptions *options_unused )
{
    //datasource_osm_my_traces_t *data = (datasource_osm_my_traces_t *)adw->user_data;

    gboolean result;

    gchar *user_pass = osm_get_login();

    DownloadMapOptions options = { FALSE, FALSE, NULL, 2, NULL, user_pass }; // Allow a couple of redirects

    xml_data *xd = g_malloc ( sizeof (xml_data) );
    //xd->xpath = g_string_new ( "" );
    xd->c_cdata = g_string_new ( "" );
    xd->current_tag = tt_unknown;
    xd->current_gpx_meta_data = new_gpx_meta_data_t();
    xd->list_of_gpx_meta_data = NULL;

    gchar *tmpname = a_download_uri_to_tmp_file ( DS_OSM_TRACES_GPX_FILES, &options );
    result = read_gpx_files_metadata_xml ( tmpname, xd );
    // Test already downloaded metadata file: eg:
    //result = read_gpx_files_metadata_xml ( "/tmp/viking-download.GI47PW", xd );

    if ( tmpname ) {
        g_remove ( tmpname );
        g_free ( tmpname );
    }

    if ( ! result )
        return FALSE;

    if ( g_list_length ( xd->list_of_gpx_meta_data ) == 0 ) {
        if (!vik_datasource_osm_my_traces_interface.is_thread)
            none_found ( GTK_WINDOW(adw->vw) );
        return FALSE;
    }

    xd->list_of_gpx_meta_data = g_list_reverse ( xd->list_of_gpx_meta_data );

    set_in_current_view_property ( vtl, adw->user_data, xd->list_of_gpx_meta_data );

    if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_enter();
    GList *selected = select_from_list ( GTK_WINDOW(adw->vw), xd->list_of_gpx_meta_data, "Select GPS Traces", "Select the GPS traces you want to add." );
    if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_leave();

    // If passed in on an existing layer - we will create everything into that.
    //  thus with many differing gpx's - this will combine all waypoints into this single layer!
    // Hence the preference is to create multiple layers
    //  and so this creation of the layers must be managed here

    gboolean create_new_layer = ( !vtl );

    // Only update the screen on the last layer acquired
    VikTrwLayer *vtl_last = vtl;
    gboolean got_something = FALSE;

    GList *selected_iterator = selected;
    while ( selected_iterator ) {

        VikTrwLayer *vtlX = vtl;

        if ( create_new_layer ) {
            // Have data but no layer - so create one
            vtlX = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, vik_window_viewport(adw->vw), NULL, FALSE ) );
            if ( ((gpx_meta_data_t*)selected_iterator->data)->name )
                vik_layer_rename ( VIK_LAYER ( vtlX ), ((gpx_meta_data_t*)selected_iterator->data)->name );
            else
                vik_layer_rename ( VIK_LAYER ( vtlX ), _("My OSM Traces") );
            vik_aggregate_layer_add_layer ( vik_layers_panel_get_top_layer (adw->vlp), VIK_LAYER(vtlX) );
        }

        result = FALSE;
        gint gpx_id = ((gpx_meta_data_t*)selected_iterator->data)->id;
        if ( gpx_id ) {
            gchar *url = g_strdup_printf ( DS_OSM_TRACES_GPX_URL_FMT, gpx_id );

            result = a_babel_convert_from_url ( vtlX, url, "gpx", status_cb, adw, &options );
            // TODO investigate using a progress bar:
            // http://developer.gnome.org/gtk/2.24/GtkProgressBar.html

            got_something = got_something || result;
            // TODO feedback to UI to inform which traces failed
            if ( !result )
                g_warning ( _("Unable to get trace: %s"), url );
        }

        if ( result ) {
            // Move to area of the track
            vik_trw_layer_auto_set_view ( vtlX, vik_window_viewport(adw->vw) );
            vik_layer_post_read ( VIK_LAYER(vtlX), vik_window_viewport(adw->vw), TRUE );
            vtl_last = vtlX;
        }
        else if ( create_new_layer ) {
            // Layer not needed as no data has been acquired
            g_object_unref ( vtlX );
        }

        selected_iterator = g_list_next ( selected_iterator );
    }

    // Free memory
    if ( xd->current_gpx_meta_data )
        free_gpx_meta_data ( xd->current_gpx_meta_data, NULL );
    g_free ( xd->current_gpx_meta_data );
    free_gpx_meta_data_list ( xd->list_of_gpx_meta_data );
    free_gpx_meta_data_list ( selected );
    g_free ( xd );
    g_free ( user_pass );

    // Would prefer to keep the update in acquire.c,
    //  however since we may create the layer - need to do the update here
    if ( got_something )
        vik_layer_emit_update ( VIK_LAYER(vtl_last) );

    // ATM The user is only informed if all getting *all* of the traces failed
    if ( selected )
        result = got_something;
    else
        // Process was cancelled but need to return that it proceeded as expected
        result = TRUE;

    return result;
}
示例#2
0
/*
 * Upload a file
 * returns a basic status:
 *   < 0  : curl error
 *   == 0 : OK
 *   > 0  : HTTP error
 *   1001 : URL signing error
 */
static gint osm_traces_upload_file(const char *user,
				   const char *password,
				   const char *file,
				   const char *filename,
				   const char *description,
				   const char *tags,
				   const OsmTraceVis_t *vistype)
{
  CURL *curl;
  CURLcode res;
  char curl_error_buffer[CURL_ERROR_SIZE];
  struct curl_slist *headers = NULL;
  struct curl_httppost *post=NULL;
  struct curl_httppost *last=NULL;

  gchar *trace_url = NULL;
  if ( !a_settings_get_string ( VIK_SETTINGS_OSM_TRACE_URL, &trace_url ) )
    trace_url = g_strdup ( OSM_GPX_UPLOAD_URL );

  gchar *user_pass = osm_get_login();
#ifdef HAVE_OAUTH_H
  char *base_url = osm_oauth_sign_url ( trace_url, "POST" );
  if ( !base_url ) {
      g_free ( trace_url );
      return 1001;
  }
#else
  char *base_url = trace_url;
#endif
  gint result = 0; // Default to it worked!

  g_debug("%s: %s %s %s %s %s %s %s", __FUNCTION__,
          base_url, user, password, file, filename, description, tags);

  /* Init CURL */
  curl = curl_easy_init();

  /* Filling the form */
  curl_formadd(&post, &last,
               CURLFORM_COPYNAME, "description",
               CURLFORM_COPYCONTENTS, description, CURLFORM_END);
  curl_formadd(&post, &last,
               CURLFORM_COPYNAME, "tags",
               CURLFORM_COPYCONTENTS, tags, CURLFORM_END);
  curl_formadd(&post, &last,
               CURLFORM_COPYNAME, "visibility",
               CURLFORM_COPYCONTENTS, vistype->apistr, CURLFORM_END);
  curl_formadd(&post, &last,
               CURLFORM_COPYNAME, "file",
               CURLFORM_FILE, file,
               CURLFORM_FILENAME, filename,
	       CURLFORM_CONTENTTYPE, "text/xml", CURLFORM_END);

  /* Prepare request */
  /* As explained in http://wiki.openstreetmap.org/index.php/User:LA2 */
  /* Expect: header seems to produce incompatibilites between curl and httpd */
  headers = curl_slist_append(headers, "Expect: ");
  curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
  curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
  curl_easy_setopt(curl, CURLOPT_URL, base_url);
#ifndef HAVE_OAUTH_H
    curl_easy_setopt(curl, CURLOPT_USERPWD, user_pass);
    curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
#else
    if ( osm_use_basic_auth() ) {
      curl_easy_setopt(curl, CURLOPT_USERPWD, user_pass);
      curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
    }
#endif
  curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_error_buffer);
  curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
  curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 3L);
  if (vik_verbose)
    curl_easy_setopt ( curl, CURLOPT_VERBOSE, 1 );

  /* Execute request */
  res = curl_easy_perform(curl);
  if (res == CURLE_OK)
  {
    long code;
    res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
    if (res == CURLE_OK)
    {
      g_debug("received valid curl response: %ld", code);
      if (code != 200) {
        g_warning(_("failed to upload data: HTTP response is %ld"), code);
	result = code;
      }
    }
    else {
      g_critical(_("curl_easy_getinfo failed: %d"), res);
      result = -1;
    }
  }
  else {
    g_warning(_("curl request failed: %s"), curl_error_buffer);
    result = -2;
  }

  /* Memory */
  g_free(base_url);
  g_free(user_pass); user_pass = NULL;
  g_free(base_url);

  curl_formfree(post);
  curl_easy_cleanup(curl);
  return result;
}