*/
#include <config.h>
+#include <stdio.h>
#include <glib.h>
-#include <gio/gio.h>
+#include <libsoup/soup.h>
#include "data.h"
typedef struct {
AWeatherCacheDoneCallback callback;
- gchar *src;
- gchar *dst;
- gchar *user_data;
+ gpointer user_data;
+ gchar *local;
+ FILE *fp;
} cache_file_end_t;
-static void cache_file_cb(GObject *source_object, GAsyncResult *res, gpointer _info)
+/*
+ * Open a file, creating parent directories if needed
+ */
+static FILE *fopen_p(const gchar *path, const gchar *mode)
+{
+ gchar *parent = g_path_get_dirname(path);
+ if (!g_file_test(parent, G_FILE_TEST_EXISTS))
+ g_mkdir_with_parents(path, 0755);
+ g_free(parent);
+ return fopen(path, mode);
+}
+
+static void cache_file_cb(SoupSession *session, SoupMessage *message, gpointer _info)
{
cache_file_end_t *info = _info;
- GError *error = NULL;
- g_file_copy_finish(G_FILE(source_object), res, &error);
- if (error) {
- g_message("error copying file ([%s]->[%s]): %s",
- info->src, info->dst, error->message);
+ gchar *uri = soup_uri_to_string(soup_message_get_uri(message), FALSE);
+ g_debug("data: cache_file_cb ([%s]->[%s])", uri, info->local);
+
+ if (!SOUP_STATUS_IS_SUCCESSFUL(message->status_code)) {
+ g_warning("data: error copying file ([%s]->[%s])", uri, info->local);
} else {
- info->callback(info->dst, info->user_data);
+ gint wrote = fwrite(message->response_body->data, 1,
+ message->response_body->length, info->fp);
+ g_debug("data: status=%u wrote=%d/%lld",
+ message->status_code,
+ wrote, message->response_body->length);
+ fclose(info->fp);
+ info->callback(info->local, TRUE, info->user_data);
}
- g_free(info->src);
- g_free(info->dst);
- g_free(info);
+ g_free(uri);
+ g_free(info->local);
+ g_object_unref(session);
}
-static goffset g_file_get_size(GFile *file)
+static void do_cache(gchar *uri, gchar *local, gboolean truncate, gchar *reason,
+ AWeatherCacheDoneCallback callback, gpointer user_data)
{
- GError *error = NULL;
- GFileInfo *info = g_file_query_info(file, G_FILE_ATTRIBUTE_STANDARD_SIZE, 0, NULL, &error);
- if (error)
- g_warning("unable to get file size: %s", error->message);
- return g_file_info_get_size(info);
+ char *name = g_path_get_basename(uri);
+ g_debug("data: do_cache - Caching file %s: %s", name, reason);
+ g_free(name);
+
+ cache_file_end_t *info = g_malloc0(sizeof(cache_file_end_t));
+ info->callback = callback;
+ info->user_data = user_data;
+ info->local = local;
+
+ if (truncate) info->fp = fopen_p(local, "w");
+ else info->fp = fopen_p(local, "a");
+ long bytes = ftell(info->fp);
+
+ SoupSession *session = soup_session_async_new();
+ SoupMessage *message = soup_message_new("GET", uri);
+ if (message == NULL)
+ g_error("message is null, cannot parse uri");
+ if (bytes != 0)
+ soup_message_headers_set_range(message->request_headers, bytes, -1);
+ soup_session_queue_message(session, message, cache_file_cb, info);
}
-/**
+/*
* Cache a image from Ridge to the local disk
* \param path Path to the Ridge file, starting after /ridge/
* \return The local path to the cached image
*/
-void cache_file(char *base, char *path, AWeatherCacheDoneCallback callback, gpointer user_data)
+void cache_file(char *base, char *path, AWeatherCacheType update,
+ AWeatherCacheDoneCallback callback, gpointer user_data)
{
- gchar *url = g_strconcat(base, path, NULL);
+ gchar *uri = g_strconcat(base, path, NULL);
gchar *local = g_build_filename(g_get_user_cache_dir(), PACKAGE, path, NULL);
- GFile *src = g_file_new_for_uri(url);
- GFile *dst = g_file_new_for_path(local);
- if (!g_file_test(local, G_FILE_TEST_EXISTS))
- g_message("Caching file: local does not exist - %s", local);
- else if (g_file_get_size(src) != g_file_get_size(dst))
- g_message("Caching file: sizes mismatch - %lld != %lld",
- g_file_get_size(src), g_file_get_size(dst));
- else
- return callback(local, user_data);
+ if (update == AWEATHER_REFRESH)
+ return do_cache(uri, local, TRUE, "cache forced",
+ callback, user_data);
- if (!g_file_test(g_path_get_dirname(local), G_FILE_TEST_IS_DIR))
- g_mkdir_with_parents(g_path_get_dirname(local), 0755);
- cache_file_end_t *info = g_malloc0(sizeof(cache_file_end_t));
- info->callback = callback;
- info->src = url;
- info->dst = local;
- info->user_data = user_data;
- g_file_copy_async(src, dst,
- G_FILE_COPY_OVERWRITE, // GFileCopyFlags flags,
- 0, // int io_priority,
- NULL, // GCancellable *cancellable,
- NULL, // GFileProgressCallback progress_callback,
- NULL, // gpointer progress_callback_data,
- cache_file_cb, // GAsyncReadyCallback callback,
- info); // gpointer user_data
+ if (update == AWEATHER_UPDATE)
+ return do_cache(uri, local, FALSE, "attempting updating",
+ callback, user_data);
+
+ if (update == AWEATHER_ONCE && !g_file_test(local, G_FILE_TEST_EXISTS))
+ return do_cache(uri, local, TRUE, "local does not exist",
+ callback, user_data);
+
+ /* No nead to cache, run the callback now and clean up */
+ callback(local, FALSE, user_data);
+ g_free(local);
+ g_free(uri);
+ return;
}