X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fdata.c;h=9878bdc2278c0eb17ba95a2baea505d0002430f2;hp=d57a8c713c706b8a4fbadfe95d69413860ad5f34;hb=5ffc3c31ece77d1debfc619a1e5817b7398209e8;hpb=678a6fa08ee7cdc98a631b9b6a6fef87be63deab diff --git a/src/data.c b/src/data.c index d57a8c7..9878bdc 100644 --- a/src/data.c +++ b/src/data.c @@ -16,84 +16,76 @@ */ #include +#include #include -#include +#include #include "data.h" typedef struct { AWeatherCacheDoneCallback callback; - GFile *src; - GFile *dst; - gchar *user_data; + gpointer user_data; + gchar *local; + FILE *fp; } cache_file_end_t; -static goffset g_file_get_size(GFile *file) +/* + * Open a file, creating parent directories if needed + */ +static FILE *fopen_p(const gchar *path, const gchar *mode) { - 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); - g_error_free(error); - } - goffset size = g_file_info_get_size(info); - g_file_info_remove_attribute(info, G_FILE_ATTRIBUTE_STANDARD_SIZE); - g_object_unref(info); - return size; + 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(GObject *source_object, GAsyncResult *res, gpointer _info) +static void cache_file_cb(SoupSession *session, SoupMessage *message, gpointer _info) { - g_debug("data: cache_file_cb"); cache_file_end_t *info = _info; - char *url = g_file_get_path(info->src); - char *local = g_file_get_path(info->dst); - GError *error = NULL; - g_file_copy_finish(G_FILE(source_object), res, &error); - if (error) { - g_warning("data: error copying file ([%s]->[%s]): %s", - url, local, error->message); - g_error_free(error); + 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(local, TRUE, 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_object_unref(info->src); - g_object_unref(info->dst); - g_free(info); - g_free(url); - g_free(local); + g_free(uri); + g_free(info->local); + g_object_unref(session); } -static void do_cache(GFile *src, GFile *dst, char *reason, +static void do_cache(gchar *uri, gchar *local, gboolean truncate, gchar *reason, AWeatherCacheDoneCallback callback, gpointer user_data) { - char *name = g_file_get_basename(dst); + char *name = g_path_get_basename(uri); g_debug("data: do_cache - Caching file %s: %s", name, reason); g_free(name); - GFile *parent = g_file_get_parent(dst); - if (!g_file_query_exists(parent, NULL)) { - char *path = g_file_get_path(parent); - g_mkdir_with_parents(path, 0755); - g_free(path); - } - g_object_unref(parent); - cache_file_end_t *info = g_malloc0(sizeof(cache_file_end_t)); info->callback = callback; - info->src = src; - info->dst = dst; info->user_data = user_data; - g_file_copy_async(src, dst, - G_FILE_COPY_OVERWRITE, // GFileCopyFlags flags, - G_PRIORITY_DEFAULT_IDLE, // int io_priority, - NULL, // GCancellable *cancellable, - NULL, // GFileProgressCallback progress_callback, - NULL, // gpointer progress_callback_data, - cache_file_cb, // GAsyncReadyCallback callback, - info); // gpointer user_data - return; + 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); } /* @@ -101,28 +93,27 @@ static void do_cache(GFile *src, GFile *dst, char *reason, * \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, AWeatherPolicyType update, +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 (update == AWEATHER_ALWAYS) - return do_cache(src, dst, "cache forced", callback, user_data); + if (update == AWEATHER_REFRESH) + return do_cache(uri, local, TRUE, "cache forced", + callback, user_data); - if (!g_file_test(local, G_FILE_TEST_EXISTS)) - return do_cache(src, dst, "local does not exist", callback, user_data); + if (update == AWEATHER_UPDATE) + return do_cache(uri, local, FALSE, "attempting updating", + callback, user_data); - if (update == AWEATHER_AUTOMATIC && g_file_get_size(src) != g_file_get_size(dst)) - return do_cache(src, dst, "size mismatch", 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_object_unref(src); - g_object_unref(dst); g_free(local); - g_free(url); + g_free(uri); return; }