/**
* pk_backend_get_accepted_eula_string:
*/
gchar *
pk_backend_get_accepted_eula_string (PkBackend *backend)
{
GString *string;
GList *l;
_cleanup_list_free_ GList *keys = NULL;
g_return_val_if_fail (PK_IS_BACKEND (backend), FALSE);
/* optimise for the common case */
if (g_hash_table_size (backend->priv->eulas) == 0)
return NULL;
/* create a string of the accepted EULAs */
string = g_string_new ("");
keys = g_hash_table_get_keys (backend->priv->eulas);
for (l=keys; l != NULL; l=l->next)
g_string_append_printf (string, "%s;", (const gchar *) l->data);
/* remove the trailing ';' */
g_string_set_size (string, string->len -1);
return g_string_free (string, FALSE);
}
/**
* pk_backend_reset_job:
**/
void
pk_backend_reset_job (PkBackend *backend, PkBackendJob *job)
{
g_return_if_fail (PK_IS_BACKEND (backend));
if (!pk_backend_job_get_started (job)) {
g_warning ("trying to reset job, but never started it before");
return;
}
/* optional */
if (backend->priv->desc->job_reset != NULL) {
backend->priv->desc->job_reset (backend, job);
} else {
if (backend->priv->desc->job_stop != NULL)
backend->priv->desc->job_stop (backend, job);
if (backend->priv->desc->job_start != NULL)
backend->priv->desc->job_start (backend, job);
}
/* bubble up */
pk_backend_job_reset (job);
}
/**
* pk_backend_watch_file:
* @func: (scope call):
*/
gboolean
pk_backend_watch_file (PkBackend *backend,
const gchar *filename,
PkBackendFileChanged func,
gpointer data)
{
_cleanup_error_free_ GError *error = NULL;
_cleanup_object_unref_ GFile *file = NULL;
g_return_val_if_fail (PK_IS_BACKEND (backend), FALSE);
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (func != NULL, FALSE);
if (backend->priv->file_changed_func != NULL) {
g_warning ("already set");
return FALSE;
}
/* monitor config files for changes */
file = g_file_new_for_path (filename);
backend->priv->monitor = g_file_monitor_file (file,
G_FILE_MONITOR_NONE,
NULL,
&error);
if (backend->priv->monitor == NULL) {
g_warning ("Failed to set watch on %s: %s",
filename, error->message);
return FALSE;
}
/* success */
g_signal_connect (backend->priv->monitor, "changed",
G_CALLBACK (pk_backend_file_monitor_changed_cb), backend);
backend->priv->file_changed_func = func;
backend->priv->file_changed_data = data;
return TRUE;
}
/**
* pk_backend_finalize:
**/
static void
pk_backend_finalize (GObject *object)
{
PkBackend *backend;
g_return_if_fail (PK_IS_BACKEND (object));
backend = PK_BACKEND (object);
g_free (backend->priv->name);
#ifdef PK_BUILD_DAEMON
g_object_unref (backend->priv->network);
#endif
g_key_file_unref (backend->priv->conf);
g_hash_table_destroy (backend->priv->eulas);
g_mutex_clear (&backend->priv->thread_hash_mutex);
g_hash_table_unref (backend->priv->thread_hash);
if (backend->priv->monitor != NULL)
g_object_unref (backend->priv->monitor);
if (backend->priv->handle != NULL)
g_module_close (backend->priv->handle);
G_OBJECT_CLASS (pk_backend_parent_class)->finalize (object);
}
/**
* pk_backend_repo_remove:
*/
void
pk_backend_repo_remove (PkBackend *backend,
PkBackendJob *job,
PkBitfield transaction_flags,
const gchar *repo_id,
gboolean autoremove)
{
g_return_if_fail (PK_IS_BACKEND (backend));
g_return_if_fail (backend->priv->desc->repo_remove != NULL);
/* final pre-flight checks */
g_assert (pk_backend_job_get_vfunc_enabled (job, PK_BACKEND_SIGNAL_FINISHED));
pk_backend_job_set_role (job, PK_ROLE_ENUM_REPO_REMOVE);
pk_backend_job_set_parameters (job, g_variant_new ("(tsb)",
transaction_flags,
repo_id,
autoremove));
backend->priv->desc->repo_remove (backend,
job,
transaction_flags,
repo_id,
autoremove);
}
/**
* pk_backend_set_user_data:
**/
void
pk_backend_set_user_data (PkBackend *backend, gpointer user_data)
{
g_return_if_fail (PK_IS_BACKEND (backend));
backend->priv->user_data = user_data;
}
/**
* pk_backend_get_user_data:
*
* Return value: (transfer none): Job user data
**/
gpointer
pk_backend_get_user_data (PkBackend *backend)
{
g_return_val_if_fail (PK_IS_BACKEND (backend), NULL);
return backend->priv->user_data;
}
/**
* pk_backend_load:
*
* Responsible for initialising the external backend object.
*
* Typically this will involve taking database locks for exclusive package access.
* This method should only be called from the engine, unless the backend object
* is used in self-check code, in which case the lock and unlock will have to
* be done manually.
**/
gboolean
pk_backend_load (PkBackend *backend, GError **error)
{
GModule *handle;
gboolean ret = FALSE;
gpointer func = NULL;
_cleanup_free_ gchar *backend_name = NULL;
_cleanup_free_ gchar *path = NULL;
g_return_val_if_fail (PK_IS_BACKEND (backend), FALSE);
/* already loaded */
if (backend->priv->loaded) {
g_set_error (error, 1, 0,
"already set name to %s",
backend->priv->name);
return FALSE;
}
/* can we load it? */
backend_name = g_key_file_get_string (backend->priv->conf,
"Daemon",
"DefaultBackend",
error);
if (backend_name == NULL)
return FALSE;
/* the "hawkey" backend was renamed to "hif" */
if (g_strcmp0 (backend_name, "hawkey") == 0) {
g_free (backend_name);
backend_name = g_strdup ("hif");
}
g_debug ("Trying to load : %s", backend_name);
path = pk_backend_build_library_path (backend, backend_name);
handle = g_module_open (path, 0);
if (handle == NULL) {
g_set_error (error, 1, 0, "opening module %s failed : %s",
backend_name, g_module_error ());
return FALSE;
}
/* then check for the new style exported functions */
ret = g_module_symbol (handle, "pk_backend_get_description", (gpointer *)&func);
if (ret) {
PkBackendDesc *desc;
PkBackendGetCompatStringFunc backend_vfunc;
desc = g_new0 (PkBackendDesc, 1);
/* connect up exported methods */
g_module_symbol (handle, "pk_backend_cancel", (gpointer *)&desc->cancel);
g_module_symbol (handle, "pk_backend_destroy", (gpointer *)&desc->destroy);
g_module_symbol (handle, "pk_backend_download_packages", (gpointer *)&desc->download_packages);
g_module_symbol (handle, "pk_backend_get_categories", (gpointer *)&desc->get_categories);
g_module_symbol (handle, "pk_backend_depends_on", (gpointer *)&desc->depends_on);
g_module_symbol (handle, "pk_backend_get_details", (gpointer *)&desc->get_details);
g_module_symbol (handle, "pk_backend_get_details_local", (gpointer *)&desc->get_details_local);
g_module_symbol (handle, "pk_backend_get_files_local", (gpointer *)&desc->get_files_local);
g_module_symbol (handle, "pk_backend_get_distro_upgrades", (gpointer *)&desc->get_distro_upgrades);
g_module_symbol (handle, "pk_backend_get_files", (gpointer *)&desc->get_files);
g_module_symbol (handle, "pk_backend_get_filters", (gpointer *)&desc->get_filters);
g_module_symbol (handle, "pk_backend_get_groups", (gpointer *)&desc->get_groups);
g_module_symbol (handle, "pk_backend_get_mime_types", (gpointer *)&desc->get_mime_types);
g_module_symbol (handle, "pk_backend_supports_parallelization", (gpointer *)&desc->supports_parallelization);
g_module_symbol (handle, "pk_backend_get_packages", (gpointer *)&desc->get_packages);
g_module_symbol (handle, "pk_backend_get_repo_list", (gpointer *)&desc->get_repo_list);
g_module_symbol (handle, "pk_backend_required_by", (gpointer *)&desc->required_by);
g_module_symbol (handle, "pk_backend_get_roles", (gpointer *)&desc->get_roles);
g_module_symbol (handle, "pk_backend_get_provides", (gpointer *)&desc->get_provides);
g_module_symbol (handle, "pk_backend_get_update_detail", (gpointer *)&desc->get_update_detail);
g_module_symbol (handle, "pk_backend_get_updates", (gpointer *)&desc->get_updates);
g_module_symbol (handle, "pk_backend_initialize", (gpointer *)&desc->initialize);
g_module_symbol (handle, "pk_backend_install_files", (gpointer *)&desc->install_files);
g_module_symbol (handle, "pk_backend_install_packages", (gpointer *)&desc->install_packages);
g_module_symbol (handle, "pk_backend_install_signature", (gpointer *)&desc->install_signature);
g_module_symbol (handle, "pk_backend_refresh_cache", (gpointer *)&desc->refresh_cache);
g_module_symbol (handle, "pk_backend_remove_packages", (gpointer *)&desc->remove_packages);
g_module_symbol (handle, "pk_backend_repo_enable", (gpointer *)&desc->repo_enable);
g_module_symbol (handle, "pk_backend_repo_set_data", (gpointer *)&desc->repo_set_data);
g_module_symbol (handle, "pk_backend_repo_remove", (gpointer *)&desc->repo_remove);
g_module_symbol (handle, "pk_backend_resolve", (gpointer *)&desc->resolve);
g_module_symbol (handle, "pk_backend_search_details", (gpointer *)&desc->search_details);
g_module_symbol (handle, "pk_backend_search_files", (gpointer *)&desc->search_files);
g_module_symbol (handle, "pk_backend_search_groups", (gpointer *)&desc->search_groups);
g_module_symbol (handle, "pk_backend_search_names", (gpointer *)&desc->search_names);
g_module_symbol (handle, "pk_backend_start_job", (gpointer *)&desc->job_start);
g_module_symbol (handle, "pk_backend_stop_job", (gpointer *)&desc->job_stop);
g_module_symbol (handle, "pk_backend_reset_job", (gpointer *)&desc->job_reset);
g_module_symbol (handle, "pk_backend_update_packages", (gpointer *)&desc->update_packages);
g_module_symbol (handle, "pk_backend_what_provides", (gpointer *)&desc->what_provides);
g_module_symbol (handle, "pk_backend_repair_system", (gpointer *)&desc->repair_system);
/* get old static string data */
ret = g_module_symbol (handle, "pk_backend_get_author", (gpointer *)&backend_vfunc);
if (ret)
desc->author = backend_vfunc (backend);
ret = g_module_symbol (handle, "pk_backend_get_description", (gpointer *)&backend_vfunc);
if (ret)
desc->description = backend_vfunc (backend);
/* make available */
backend->priv->desc = desc;
} else {
g_module_close (handle);
g_set_error (error, 1, 0,
"could not find description in plugin %s, not loading",
backend_name);
return FALSE;
}
/* save the backend name and handle */
g_free (backend->priv->name);
backend->priv->name = g_strdup (backend_name);
backend->priv->handle = handle;
/* initialize if we can */
if (backend->priv->desc->initialize != NULL) {
backend->priv->during_initialize = TRUE;
backend->priv->desc->initialize (backend->priv->conf, backend);
backend->priv->during_initialize = FALSE;
}
backend->priv->loaded = TRUE;
return TRUE;
}
/**
* pk_backend_get_roles:
**/
PkBitfield
pk_backend_get_roles (PkBackend *backend)
{
PkBitfield roles = backend->priv->roles;
PkBackendDesc *desc;
g_return_val_if_fail (PK_IS_BACKEND (backend), PK_ROLE_ENUM_UNKNOWN);
g_return_val_if_fail (backend->priv->loaded, PK_ROLE_ENUM_UNKNOWN);
/* optimise - we only skip here if we already loaded backend settings,
* so we don't override preexisting settings (e.g. by plugins) */
if (backend->priv->backend_roles_set)
goto out;
/* not compulsory, but use it if we've got it */
if (backend->priv->desc->get_roles != NULL) {
backend->priv->roles = backend->priv->desc->get_roles (backend);
pk_bitfield_add (backend->priv->roles, PK_ROLE_ENUM_GET_OLD_TRANSACTIONS);
goto out;
}
/* lets reduce pointer dereferences... */
desc = backend->priv->desc;
if (desc->cancel != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_CANCEL);
if (desc->depends_on != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_DEPENDS_ON);
if (desc->get_details != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_DETAILS);
if (desc->get_details_local != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_DETAILS_LOCAL);
if (desc->get_files_local != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_FILES_LOCAL);
if (desc->get_files != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_FILES);
if (desc->required_by != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_REQUIRED_BY);
if (desc->get_packages != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_PACKAGES);
if (desc->what_provides != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_WHAT_PROVIDES);
if (desc->get_updates != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_UPDATES);
if (desc->get_update_detail != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_UPDATE_DETAIL);
if (desc->install_packages != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_INSTALL_PACKAGES);
if (desc->install_signature != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_INSTALL_SIGNATURE);
if (desc->install_files != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_INSTALL_FILES);
if (desc->refresh_cache != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_REFRESH_CACHE);
if (desc->remove_packages != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_REMOVE_PACKAGES);
if (desc->download_packages != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_DOWNLOAD_PACKAGES);
if (desc->resolve != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_RESOLVE);
if (desc->search_details != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_SEARCH_DETAILS);
if (desc->search_files != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_SEARCH_FILE);
if (desc->search_groups != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_SEARCH_GROUP);
if (desc->search_names != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_SEARCH_NAME);
if (desc->update_packages != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_UPDATE_PACKAGES);
if (desc->get_repo_list != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_REPO_LIST);
if (desc->repo_enable != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_REPO_ENABLE);
if (desc->repo_set_data != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_REPO_SET_DATA);
if (desc->repo_remove != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_REPO_REMOVE);
if (desc->get_distro_upgrades != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_DISTRO_UPGRADES);
if (desc->get_categories != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_CATEGORIES);
if (desc->repair_system != NULL)
pk_bitfield_add (roles, PK_ROLE_ENUM_REPAIR_SYSTEM);
pk_bitfield_add (roles, PK_ROLE_ENUM_GET_OLD_TRANSACTIONS);
backend->priv->roles = roles;
backend->priv->backend_roles_set = TRUE;
out:
return backend->priv->roles;
}