static void
g_tls_interaction_init (GTlsInteraction *interaction)
{
interaction->priv = G_TYPE_INSTANCE_GET_PRIVATE (interaction, G_TYPE_TLS_INTERACTION,
GTlsInteractionPrivate);
interaction->priv->context = g_main_context_ref_thread_default ();
}
/**
* g_io_scheduler_push_job:
* @job_func: a #GIOSchedulerJobFunc.
* @user_data: data to pass to @job_func
* @notify: (allow-none): a #GDestroyNotify for @user_data, or %NULL
* @io_priority: the <link linkend="io-priority">I/O priority</link>
* of the request.
* @cancellable: optional #GCancellable object, %NULL to ignore.
*
* Schedules the I/O job to run in another thread.
*
* @notify will be called on @user_data after @job_func has returned,
* regardless whether the job was cancelled or has run to completion.
*
* If @cancellable is not %NULL, it can be used to cancel the I/O job
* by calling g_cancellable_cancel() or by calling
* g_io_scheduler_cancel_all_jobs().
*
* Deprecated: use #GThreadPool or g_task_run_in_thread()
**/
void
g_io_scheduler_push_job (GIOSchedulerJobFunc job_func,
gpointer user_data,
GDestroyNotify notify,
gint io_priority,
GCancellable *cancellable)
{
GIOSchedulerJob *job;
GTask *task;
g_return_if_fail (job_func != NULL);
job = g_slice_new0 (GIOSchedulerJob);
job->job_func = job_func;
job->data = user_data;
job->destroy_notify = notify;
if (cancellable)
job->cancellable = g_object_ref (cancellable);
job->context = g_main_context_ref_thread_default ();
G_LOCK (active_jobs);
active_jobs = g_list_prepend (active_jobs, job);
job->active_link = active_jobs;
G_UNLOCK (active_jobs);
task = g_task_new (NULL, cancellable, NULL, NULL);
g_task_set_task_data (task, job, (GDestroyNotify)g_io_job_free);
g_task_set_priority (task, io_priority);
g_task_run_in_thread (task, io_job_thread);
g_object_unref (task);
}
/**
* gda_worker_submit_job: (skip)
* @worker: a #GdaWorker object
* @callback_context: (allow-none): a #GMainContext, or %NULL (ignored if no setting has been defined with gda_worker_set_callback())
* @func: the function to call from the worker thread
* @data: (allow-none): the data to pass to @func, or %NULL
* @data_destroy_func: (allow-none): a function to destroy @data, or %NULL
* @result_destroy_func: (allow-none): a function to destroy the result, if any, of the execution of @func, or %NULL
* @error: (allow-none): a place to store errors, or %NULL.
*
* Request that the worker thread call @func with the @data argument.
*
* Notes:
* <itemizedlist>
* <listitem><para>if @data_destroy_func is not %NULL, then it will be called to destroy @data when the job is removed,
* which can occur within the context of the worker thread, or within the context of any thread using @worker.</para></listitem>
* <listitem><para>if @result_destroy_func is not %NULL, then it will be called to destroy the result produced by @func.
* Similarly to @data_destroy_func, if it is not %NULL (and if there is a non %NULL result), then that function can be
* called in the context of any thread.</para></listitem>
* <listitem><para>the error here can only report failures while executing gda_worker_submit_job(), not any error which may occur
* while executing @func from the worker thread.</para></listitem>
* <listitem><para>when this function returns, the job may already have been completed, so you should not assume that the job
* is in any specific state.</para></listitem>
* <listitem><para>passing %NULL for @callback_context is similar to passing the result of g_main_context_ref_thread_default()</para></listitem>
* </itemizedlist>
*
* Returns: a job ID, or %0 if an error occurred
*
* Since: 6.0
*/
guint
gda_worker_submit_job (GdaWorker *worker, GMainContext *callback_context, GdaWorkerFunc func,
gpointer data, GDestroyNotify data_destroy_func,
GDestroyNotify result_destroy_func, GError **error)
{
g_return_val_if_fail (worker, 0);
g_return_val_if_fail (func, 0);
if (!worker->callbacks_hash) {
g_warning ("GdaWorker has been destroyed\n");
return 0;
}
DeclaredCallback *dc;
guint jid;
GMainContext *co;
gboolean unref_co = FALSE;
co = callback_context;
if (!co) {
co = g_main_context_ref_thread_default ();
unref_co = TRUE;
}
g_rec_mutex_lock (& worker->rmutex);
dc = g_hash_table_lookup (worker->callbacks_hash, co);
jid = _gda_worker_submit_job_with_its (worker, dc ? dc->its : NULL,
func, data, data_destroy_func, result_destroy_func, error);
g_rec_mutex_unlock (& worker->rmutex);
if (unref_co)
g_main_context_unref (co);
return jid;
}
GumScriptTask *
gum_script_task_new (GumScriptTaskFunc func,
gpointer source_object,
GCancellable * cancellable,
GAsyncReadyCallback callback,
gpointer callback_data)
{
GumScriptTask * task;
GumScriptTaskPrivate * priv;
task = g_object_new (GUM_TYPE_SCRIPT_TASK, NULL);
priv = task->priv;
priv->func = func;
priv->source_object =
(source_object != NULL) ? g_object_ref (source_object) : NULL;
priv->cancellable =
(cancellable != NULL) ? g_object_ref (cancellable) : NULL;
priv->callback = callback;
priv->callback_data = callback_data;
priv->context = g_main_context_ref_thread_default ();
return task;
}
static void
gst_gl_window_default_run (GstGLWindow * window)
{
GstGLWindowPrivate *priv = window->priv;
if (g_main_context_get_thread_default ()) {
if (priv->main_context)
g_main_context_unref (priv->main_context);
if (priv->loop)
g_main_loop_unref (priv->loop);
priv->main_context = g_main_context_ref_thread_default ();
priv->loop = NULL;
priv->alive = TRUE;
} else {
g_main_context_push_thread_default (priv->main_context);
}
g_main_loop_run (priv->loop);
if (!priv->loop) {
priv->alive = FALSE;
g_main_context_unref (priv->main_context);
priv->main_context = NULL;
} else {
g_main_context_pop_thread_default (priv->main_context);
}
}
static void
cockpit_web_server_init (CockpitWebServer *server)
{
server->requests = g_hash_table_new_full (g_direct_hash, g_direct_equal,
cockpit_request_free, NULL);
server->main_context = g_main_context_ref_thread_default ();
server->ssl_exception_prefix = g_string_new ("");
}
static void
cockpit_stream_init (CockpitStream *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, COCKPIT_TYPE_STREAM, CockpitStreamPrivate);
self->priv->in_buffer = g_byte_array_new ();
self->priv->out_queue = g_queue_new ();
self->priv->context = g_main_context_ref_thread_default ();
}
static void
do_call (Client *client, CallType call_type)
{
GMainContext *current_context;
/* only schedule in idle if we're not in the right thread */
current_context = g_main_context_ref_thread_default ();
if (current_context != client->main_context)
schedule_call_in_idle (client, call_type);
else
actually_do_call (client, client->connection, client->name_owner, call_type);
g_main_context_unref (current_context);
}
static void
cockpit_pipe_init (CockpitPipe *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, COCKPIT_TYPE_PIPE, CockpitPipePrivate);
self->priv->in_buffer = g_byte_array_new ();
self->priv->in_fd = -1;
self->priv->out_queue = g_queue_new ();
self->priv->out_fd = -1;
self->priv->err_fd = -1;
self->priv->status = -1;
self->priv->context = g_main_context_ref_thread_default ();
}
static gboolean
gst_gl_window_default_open (GstGLWindow * window, GError ** error)
{
GstGLWindowPrivate *priv = window->priv;
if (g_main_context_get_thread_default ()) {
if (priv->main_context)
g_main_context_unref (priv->main_context);
if (priv->loop)
g_main_loop_unref (priv->loop);
priv->main_context = g_main_context_ref_thread_default ();
priv->loop = NULL;
priv->alive = TRUE;
} else {
g_main_context_push_thread_default (priv->main_context);
}
return TRUE;
}
/**
* g_bus_watch_name:
* @bus_type: The type of bus to watch a name on.
* @name: The name (well-known or unique) to watch.
* @flags: Flags from the #GBusNameWatcherFlags enumeration.
* @name_appeared_handler: (nullable): Handler to invoke when @name is known to exist or %NULL.
* @name_vanished_handler: (nullable): Handler to invoke when @name is known to not exist or %NULL.
* @user_data: User data to pass to handlers.
* @user_data_free_func: (nullable): Function for freeing @user_data or %NULL.
*
* Starts watching @name on the bus specified by @bus_type and calls
* @name_appeared_handler and @name_vanished_handler when the name is
* known to have a owner respectively known to lose its
* owner. Callbacks will be invoked in the
* [thread-default main context][g-main-context-push-thread-default]
* of the thread you are calling this function from.
*
* You are guaranteed that one of the handlers will be invoked after
* calling this function. When you are done watching the name, just
* call g_bus_unwatch_name() with the watcher id this function
* returns.
*
* If the name vanishes or appears (for example the application owning
* the name could restart), the handlers are also invoked. If the
* #GDBusConnection that is used for watching the name disconnects, then
* @name_vanished_handler is invoked since it is no longer
* possible to access the name.
*
* Another guarantee is that invocations of @name_appeared_handler
* and @name_vanished_handler are guaranteed to alternate; that
* is, if @name_appeared_handler is invoked then you are
* guaranteed that the next time one of the handlers is invoked, it
* will be @name_vanished_handler. The reverse is also true.
*
* This behavior makes it very simple to write applications that want
* to take action when a certain [name exists][gdbus-watching-names].
* Basically, the application should create object proxies in
* @name_appeared_handler and destroy them again (if any) in
* @name_vanished_handler.
*
* Returns: An identifier (never 0) that an be used with
* g_bus_unwatch_name() to stop watching the name.
*
* Since: 2.26
*/
guint
g_bus_watch_name (GBusType bus_type,
const gchar *name,
GBusNameWatcherFlags flags,
GBusNameAppearedCallback name_appeared_handler,
GBusNameVanishedCallback name_vanished_handler,
gpointer user_data,
GDestroyNotify user_data_free_func)
{
Client *client;
g_return_val_if_fail (g_dbus_is_name (name), 0);
G_LOCK (lock);
client = g_new0 (Client, 1);
client->ref_count = 1;
client->id = g_atomic_int_add (&next_global_id, 1); /* TODO: uh oh, handle overflow */
client->name = g_strdup (name);
client->flags = flags;
client->name_appeared_handler = name_appeared_handler;
client->name_vanished_handler = name_vanished_handler;
client->user_data = user_data;
client->user_data_free_func = user_data_free_func;
client->main_context = g_main_context_ref_thread_default ();
if (map_id_to_client == NULL)
{
map_id_to_client = g_hash_table_new (g_direct_hash, g_direct_equal);
}
g_hash_table_insert (map_id_to_client,
GUINT_TO_POINTER (client->id),
client);
g_bus_get (bus_type,
NULL,
connection_get_cb,
client_ref (client));
G_UNLOCK (lock);
return client->id;
}
/**
* g_bus_watch_name_on_connection:
* @connection: A #GDBusConnection.
* @name: The name (well-known or unique) to watch.
* @flags: Flags from the #GBusNameWatcherFlags enumeration.
* @name_appeared_handler: (allow-none): Handler to invoke when @name is known to exist or %NULL.
* @name_vanished_handler: (allow-none): Handler to invoke when @name is known to not exist or %NULL.
* @user_data: User data to pass to handlers.
* @user_data_free_func: (allow-none): Function for freeing @user_data or %NULL.
*
* Like g_bus_watch_name() but takes a #GDBusConnection instead of a
* #GBusType.
*
* Returns: An identifier (never 0) that an be used with
* g_bus_unwatch_name() to stop watching the name.
*
* Since: 2.26
*/
guint g_bus_watch_name_on_connection (GDBusConnection *connection,
const gchar *name,
GBusNameWatcherFlags flags,
GBusNameAppearedCallback name_appeared_handler,
GBusNameVanishedCallback name_vanished_handler,
gpointer user_data,
GDestroyNotify user_data_free_func)
{
Client *client;
g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), 0);
g_return_val_if_fail (g_dbus_is_name (name), 0);
G_LOCK (lock);
client = g_new0 (Client, 1);
client->ref_count = 1;
client->id = next_global_id++; /* TODO: uh oh, handle overflow */
client->name = g_strdup (name);
client->flags = flags;
client->name_appeared_handler = name_appeared_handler;
client->name_vanished_handler = name_vanished_handler;
client->user_data = user_data;
client->user_data_free_func = user_data_free_func;
client->main_context = g_main_context_ref_thread_default ();
if (map_id_to_client == NULL)
map_id_to_client = g_hash_table_new (g_direct_hash, g_direct_equal);
g_hash_table_insert (map_id_to_client,
GUINT_TO_POINTER (client->id),
client);
client->connection = g_object_ref (connection);
G_UNLOCK (lock);
has_connection (client);
return client->id;
}
static void
dasom_server_init (DasomServer *server)
{
g_debug (G_STRLOC ": %s", G_STRFUNC);
GSettings *settings = g_settings_new ("org.freedesktop.Dasom");
gchar **hotkeys = g_settings_get_strv (settings, "hotkeys");
server->hotkeys = dasom_key_newv ((const gchar **) hotkeys);
g_object_unref (settings);
g_strfreev (hotkeys);
server->candidate = dasom_candidate_new ();
server->module_manager = dasom_module_manager_get_default ();
server->instances = dasom_server_create_module_instances (server);
server->main_context = g_main_context_ref_thread_default ();
server->connections = g_hash_table_new_full (g_direct_hash,
g_direct_equal,
NULL,
(GDestroyNotify) g_object_unref);
server->agents_list = NULL;
}
/** Set up the main context the session will be executing in.
*
* Must be called just before the session starts, by the thread which
* will execute the session main loop. Once acquired, the main context
* pointer is immutable for the duration of the session run.
*/
static int set_main_context(struct sr_session *session)
{
GMainContext *main_context;
g_mutex_lock(&session->main_mutex);
/* May happen if sr_session_start() is called a second time
* while the session is still running.
*/
if (session->main_context) {
sr_err("Main context already set.");
g_mutex_unlock(&session->main_mutex);
return SR_ERR;
}
main_context = g_main_context_ref_thread_default();
/*
* Try to use an existing main context if possible, but only if we
* can make it owned by the current thread. Otherwise, create our
* own main context so that event source callbacks can execute in
* the session thread.
*/
if (g_main_context_acquire(main_context)) {
g_main_context_release(main_context);
sr_dbg("Using thread-default main context.");
} else {
g_main_context_unref(main_context);
sr_dbg("Creating our own main context.");
main_context = g_main_context_new();
}
session->main_context = main_context;
g_mutex_unlock(&session->main_mutex);
return SR_OK;
}
gboolean
ostree_repo_pull (OstreeRepo *self,
const char *remote_name,
char **refs_to_fetch,
OstreeRepoPullFlags flags,
OstreeAsyncProgress *progress,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
GHashTableIter hash_iter;
gpointer key, value;
gboolean tls_permissive = FALSE;
OstreeFetcherConfigFlags fetcher_flags = 0;
gs_free char *remote_key = NULL;
gs_free char *path = NULL;
gs_free char *baseurl = NULL;
gs_free char *summary_data = NULL;
gs_unref_hashtable GHashTable *requested_refs_to_fetch = NULL;
gs_unref_hashtable GHashTable *updated_refs = NULL;
gs_unref_hashtable GHashTable *commits_to_fetch = NULL;
gs_free char *remote_mode_str = NULL;
GSource *queue_src = NULL;
OtPullData pull_data_real = { 0, };
OtPullData *pull_data = &pull_data_real;
SoupURI *summary_uri = NULL;
GKeyFile *config = NULL;
GKeyFile *remote_config = NULL;
char **configured_branches = NULL;
guint64 bytes_transferred;
guint64 start_time;
guint64 end_time;
pull_data->async_error = error;
pull_data->main_context = g_main_context_ref_thread_default ();
pull_data->loop = g_main_loop_new (pull_data->main_context, FALSE);
pull_data->flags = flags;
pull_data->repo = self;
pull_data->progress = progress;
pull_data->scanned_metadata = g_hash_table_new_full (ostree_hash_object_name, g_variant_equal,
(GDestroyNotify)g_variant_unref, NULL);
pull_data->requested_content = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free, NULL);
pull_data->requested_metadata = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free, NULL);
start_time = g_get_monotonic_time ();
pull_data->remote_name = g_strdup (remote_name);
config = ostree_repo_get_config (self);
remote_key = g_strdup_printf ("remote \"%s\"", pull_data->remote_name);
if (!repo_get_string_key_inherit (self, remote_key, "url", &baseurl, error))
goto out;
pull_data->base_uri = soup_uri_new (baseurl);
#ifdef HAVE_GPGME
if (!ot_keyfile_get_boolean_with_default (config, remote_key, "gpg-verify",
TRUE, &pull_data->gpg_verify, error))
goto out;
#else
pull_data->gpg_verify = FALSE;
#endif
if (!ot_keyfile_get_boolean_with_default (config, remote_key, "tls-permissive",
FALSE, &tls_permissive, error))
goto out;
if (tls_permissive)
fetcher_flags |= OSTREE_FETCHER_FLAGS_TLS_PERMISSIVE;
pull_data->fetcher = ostree_fetcher_new (pull_data->repo->tmp_dir,
fetcher_flags);
if (!pull_data->base_uri)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to parse url '%s'", baseurl);
goto out;
}
if (!load_remote_repo_config (pull_data, &remote_config, cancellable, error))
goto out;
if (!ot_keyfile_get_value_with_default (remote_config, "core", "mode", "bare",
&remote_mode_str, error))
goto out;
if (!ostree_repo_mode_from_string (remote_mode_str, &pull_data->remote_mode, error))
goto out;
if (pull_data->remote_mode != OSTREE_REPO_MODE_ARCHIVE_Z2)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Can't pull from archives with mode \"%s\"",
remote_mode_str);
goto out;
}
requested_refs_to_fetch = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
updated_refs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
commits_to_fetch = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
if (refs_to_fetch != NULL)
{
char **strviter;
for (strviter = refs_to_fetch; *strviter; strviter++)
{
const char *branch = *strviter;
char *contents;
if (ostree_validate_checksum_string (branch, NULL))
{
char *key = g_strdup (branch);
g_hash_table_insert (commits_to_fetch, key, key);
}
else
{
if (!fetch_ref_contents (pull_data, branch, &contents, cancellable, error))
goto out;
/* Transfer ownership of contents */
g_hash_table_insert (requested_refs_to_fetch, g_strdup (branch), contents);
}
}
}
else
{
GError *temp_error = NULL;
gboolean fetch_all_refs;
configured_branches = g_key_file_get_string_list (config, remote_key, "branches", NULL, &temp_error);
if (configured_branches == NULL && temp_error != NULL)
{
if (g_error_matches (temp_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND))
{
g_clear_error (&temp_error);
fetch_all_refs = TRUE;
}
else
{
g_propagate_error (error, temp_error);
goto out;
}
}
else
fetch_all_refs = FALSE;
if (fetch_all_refs)
{
summary_uri = soup_uri_copy (pull_data->base_uri);
path = g_build_filename (soup_uri_get_path (summary_uri), "refs", "summary", NULL);
soup_uri_set_path (summary_uri, path);
if (!fetch_uri_contents_utf8_sync (pull_data, summary_uri, &summary_data, cancellable, error))
goto out;
if (!parse_ref_summary (summary_data, &requested_refs_to_fetch, error))
goto out;
}
else
{
char **branches_iter = configured_branches;
if (!(branches_iter && *branches_iter))
g_print ("No configured branches for remote %s\n", pull_data->remote_name);
for (;branches_iter && *branches_iter; branches_iter++)
{
const char *branch = *branches_iter;
char *contents;
if (!fetch_ref_contents (pull_data, branch, &contents, cancellable, error))
goto out;
/* Transfer ownership of contents */
g_hash_table_insert (requested_refs_to_fetch, g_strdup (branch), contents);
}
}
}
if (!ostree_repo_prepare_transaction (pull_data->repo, &pull_data->transaction_resuming,
cancellable, error))
goto out;
pull_data->metadata_objects_to_fetch = ot_waitable_queue_new ();
pull_data->metadata_objects_to_scan = ot_waitable_queue_new ();
pull_data->metadata_thread = g_thread_new ("metadatascan", metadata_thread_main, pull_data);
g_hash_table_iter_init (&hash_iter, commits_to_fetch);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *commit = value;
ot_waitable_queue_push (pull_data->metadata_objects_to_scan,
pull_worker_message_new (PULL_MSG_SCAN,
ostree_object_name_serialize (commit, OSTREE_OBJECT_TYPE_COMMIT)));
}
g_hash_table_iter_init (&hash_iter, requested_refs_to_fetch);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *ref = key;
const char *sha256 = value;
ot_waitable_queue_push (pull_data->metadata_objects_to_scan,
pull_worker_message_new (PULL_MSG_SCAN,
ostree_object_name_serialize (sha256, OSTREE_OBJECT_TYPE_COMMIT)));
g_hash_table_insert (updated_refs, g_strdup (ref), g_strdup (sha256));
}
{
queue_src = ot_waitable_queue_create_source (pull_data->metadata_objects_to_fetch);
g_source_set_callback (queue_src, (GSourceFunc)on_metadata_objects_to_fetch_ready, pull_data, NULL);
g_source_attach (queue_src, pull_data->main_context);
g_source_unref (queue_src);
}
/* Prime the message queue */
pull_data->idle_serial++;
ot_waitable_queue_push (pull_data->metadata_objects_to_scan,
pull_worker_message_new (PULL_MSG_MAIN_IDLE, GUINT_TO_POINTER (pull_data->idle_serial)));
/* Now await work completion */
if (!run_mainloop_monitor_fetcher (pull_data))
goto out;
g_hash_table_iter_init (&hash_iter, updated_refs);
while (g_hash_table_iter_next (&hash_iter, &key, &value))
{
const char *ref = key;
const char *checksum = value;
gs_free char *remote_ref = NULL;
gs_free char *original_rev = NULL;
remote_ref = g_strdup_printf ("%s/%s", pull_data->remote_name, ref);
if (!ostree_repo_resolve_rev (pull_data->repo, remote_ref, TRUE, &original_rev, error))
goto out;
if (original_rev && strcmp (checksum, original_rev) == 0)
{
g_print ("remote %s is unchanged from %s\n", remote_ref, original_rev);
}
else
{
ostree_repo_transaction_set_ref (pull_data->repo, pull_data->remote_name, ref, checksum);
g_print ("remote %s is now %s\n", remote_ref, checksum);
}
}
if (!ostree_repo_commit_transaction (pull_data->repo, NULL, cancellable, error))
goto out;
end_time = g_get_monotonic_time ();
bytes_transferred = ostree_fetcher_bytes_transferred (pull_data->fetcher);
if (bytes_transferred > 0)
{
guint shift;
if (bytes_transferred < 1024)
shift = 1;
else
shift = 1024;
g_print ("%u metadata, %u content objects fetched; %" G_GUINT64_FORMAT " %s transferred in %u seconds\n",
pull_data->n_fetched_metadata, pull_data->n_fetched_content,
(guint64)(bytes_transferred / shift),
shift == 1 ? "B" : "KiB",
(guint) ((end_time - start_time) / G_USEC_PER_SEC));
}
ret = TRUE;
out:
if (pull_data->main_context)
g_main_context_unref (pull_data->main_context);
if (pull_data->loop)
g_main_loop_unref (pull_data->loop);
g_strfreev (configured_branches);
g_clear_object (&pull_data->fetcher);
g_free (pull_data->remote_name);
if (pull_data->base_uri)
soup_uri_free (pull_data->base_uri);
if (queue_src)
g_source_destroy (queue_src);
if (pull_data->metadata_thread)
{
ot_waitable_queue_push (pull_data->metadata_objects_to_scan,
pull_worker_message_new (PULL_MSG_QUIT, NULL));
g_thread_join (pull_data->metadata_thread);
}
g_clear_pointer (&pull_data->metadata_objects_to_scan, (GDestroyNotify) ot_waitable_queue_unref);
g_clear_pointer (&pull_data->metadata_objects_to_fetch, (GDestroyNotify) ot_waitable_queue_unref);
g_clear_pointer (&pull_data->scanned_metadata, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&pull_data->requested_content, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&pull_data->requested_metadata, (GDestroyNotify) g_hash_table_unref);
g_clear_pointer (&remote_config, (GDestroyNotify) g_key_file_unref);
if (summary_uri)
soup_uri_free (summary_uri);
return ret;
}
/**
* gda_worker_do_job: (skip)
* @worker: a #GdaWorker object
* @context: (allow-none): a #GMainContext to execute a main loop in (while waiting), or %NULL
* @timeout_ms: the maximum number of milisecons to wait before returning, or %0 for unlimited wait
* @out_result: (allow-none): a place to store the result, if any, of @func's execution, or %NULL
* @out_job_id: (allow-none): a place to store the ID of the job having been submitted, or %NULL
* @func: the function to call from the worker thread
* @data: (allow-none): the data to pass to @func, or %NULL
* @data_destroy_func: (allow-none): a function to destroy @data, or %NULL
* @result_destroy_func: (allow-none): a function to destroy the result, if any, of @func's execution, or %NULL
* @error: (allow-none): a place to store errors, or %NULL.
*
* Request that the worker thread call @func with the @data argument, much like gda_worker_submit_job(),
* but waits (starting a #GMainLoop) for a maximum of @timeout_ms miliseconds for @func to be executed.
*
* If this function is called from within @worker's worker thread, then this function simply calls @func with @data and does not
* use @context.
*
* The following cases are possible if this function is not called from within @worker's worker thread:
* <itemizedlist>
* <listitem><para>the call to @func took less than @timeout_ms miliseconds: the return value is %TRUE and
* @out_result contains the result of the @func's execution, and @out_job_id contains %NULL. Note in this
* case that @error may still contain an error code if @func's execution produced an error. Also note that in this case
* any setting defined by gda_worker_set_callback() is not applied (as the result is immediately returned)</para></listitem>
* <listitem><para>The call to @func takes more then @timeout_ms miliseconds: the return value is %TRUE and
* @out_result is %NULL and @out_job_id contains the ID of the job as if it had been submitted using gda_worker_submit_job().
* If @out_job_id is %NULL, and if no setting has been defined using gda_worker_set_callback(), then the job will be discarded
* (as if gda_worker_forget_job() had been called).
* </para></listitem>
* <listitem><para>The call to @func could not be done (some kind of plumbing error for instance): the returned value is %FALSE
* and @out_result and @out_job_id are set to %NULL (if they are not %NULL)</para></listitem>
* </itemizedlist>
*
* Notes:
* <itemizedlist>
* <listitem><para>@result_destroy_func is needed in case @out_result is %NULL (to avoid memory leaks)</para></listitem>
* <listitem><para>passing %NULL for @context is similar to passing the result of g_main_context_ref_thread_default()</para></listitem>
* </itemizedlist>
*
* Returns: %TRUE if no error occurred
*
* Since: 6.0
*/
gboolean
gda_worker_do_job (GdaWorker *worker, GMainContext *context, gint timeout_ms,
gpointer *out_result, guint *out_job_id,
GdaWorkerFunc func, gpointer data, GDestroyNotify data_destroy_func,
GDestroyNotify result_destroy_func,
GError **error)
{
if (out_result)
*out_result = NULL;
if (out_job_id)
*out_job_id = 0;
g_return_val_if_fail (worker, FALSE);
g_return_val_if_fail (func, FALSE);
if (!worker->callbacks_hash || !worker->jobs_hash) {
g_warning ("GdaWorker has been destroyed\n");
return FALSE;
}
if (gda_worker_thread_is_worker (worker)) {
/* we are called from within the worker thread => call the function directly */
gpointer result;
result = func (data, error);
if (data_destroy_func)
data_destroy_func (data);
if (out_result)
*out_result = result;
else if (result && result_destroy_func)
result_destroy_func (result);
return TRUE;
}
guint jid, itsid, timer = 0;
/* determine which GMainContext to use */
GMainContext *co;
gboolean unref_co = FALSE;
co = context;
if (!co) {
co = g_main_context_ref_thread_default ();
unref_co = TRUE;
}
/* prepare main loop */
GMainLoop *loop;
loop = g_main_loop_new (co, FALSE);
/* prepare ITSignaler to be notified */
ITSignaler *its;
its = itsignaler_new ();
itsid = itsignaler_add (its, co, (ITSignalerFunc) do_itsignaler_cb,
g_main_loop_ref (loop), (GDestroyNotify) g_main_loop_unref);
/* push job */
g_rec_mutex_lock (& worker->rmutex); /* required to call _gda_worker_submit_job_with_its() */
jid = _gda_worker_submit_job_with_its (worker, its,
func, data, data_destroy_func, result_destroy_func, error);
g_rec_mutex_unlock (& worker->rmutex);
if (jid == 0) {
/* an error occurred */
g_assert (itsignaler_remove (its, co, itsid));
itsignaler_unref (its);
g_main_loop_unref (loop);
if (unref_co)
g_main_context_unref (co);
return FALSE;
}
/* check if result is already here */
WorkerJob *job;
job = itsignaler_pop_notification (its, 0);
if (!job) {
if (timeout_ms > 0) {
/* start timer to limit waiting time */
GSource *timer_src;
timer_src = g_timeout_source_new (timeout_ms);
g_source_set_callback (timer_src, (GSourceFunc) do_timer_cb, loop, NULL);
timer = g_source_attach (timer_src, co);
g_source_unref (timer_src);
}
g_main_loop_run (loop);
/* either timer has arrived or job has been done */
job = itsignaler_pop_notification (its, 0);
}
g_main_loop_unref (loop);
g_assert (itsignaler_remove (its, co, itsid));
itsignaler_unref (its);
if (job) {
/* job done before the timer, if any, elapsed */
if (timer > 0)
g_assert (g_source_remove (timer));
g_assert (gda_worker_fetch_job_result (worker, jid, out_result, error));
}
else {
/* timer came first, job is not yet finished */
/* apply settings from gda_worker_set_callback(), if any */
g_rec_mutex_lock (&worker->rmutex);
DeclaredCallback *dc;
dc = g_hash_table_lookup (worker->callbacks_hash, co);
if (dc) {
job = g_hash_table_lookup (worker->jobs_hash, &jid);
g_assert (job);
g_assert (!job->reply_its);
job->reply_its = itsignaler_ref (dc->its);
}
g_rec_mutex_unlock (& worker->rmutex);
/* cleanups */
if (out_job_id)
*out_job_id = jid;
else if (!dc)
/* forget all about the job */
gda_worker_forget_job (worker, jid);
}
if (unref_co)
g_main_context_unref (co);
return TRUE;
}
static void
g_dbus_server_init (GDBusServer *server)
{
server->main_context_at_construction = g_main_context_ref_thread_default ();
}
/**
* gda_worker_set_callback: (skip)
* @worker: a #GdaWorker object
* @context: (allow-none): a #GMainContext, or %NULL
* @callback: (allow-none): the function to call when a job submitted from within the calling thread using gda_worker_submit_job() has finished being processed.
* @user_data: argument passed to @callback
* @error: (allow-none): a place to store errors, or %NULL
*
* Declare a callback function to be called when a job has been processed. If @callback is %NULL, then any previously
* effect of this function is removed. If the same function is called with a different @callback value, then the previous one
* is simply replaced.
*
* Since this function adds a new source of events to the specified #GMainContext (or the default one if @context is %NULL),
*
* Notes:
* <itemizedlist>
* <listitem><para>before calling this function, @worker internally gets rid of the job, so the @jib_id passed
* to @callback does not actually designate a known job ID, and so calling gda_worker_fetch_job_result() for that
* job ID will fail</para></listitem>
* <listitem><para>the job's result, if any, has to be freed by @callback (@worker does not do it)</para></listitem>
* <listitem><para>any call to this function will only be honored for the jobs submitted _after_ calling it, the ones
* submitted before are not affected</para></listitem>
* <listitem><para>passing %NULL for @context is similar to passing the result of g_main_context_ref_thread_default()</para></listitem>
* </itemizedlist>
*
* Returns: %TRUE if no error occurred.
*
* Since: 6.0
*/
gboolean
gda_worker_set_callback (GdaWorker *worker, GMainContext *context, GdaWorkerCallback callback,
gpointer user_data, GError **error)
{
g_return_val_if_fail (worker, FALSE);
g_return_val_if_fail (callback, FALSE);
if (!worker->callbacks_hash) {
g_warning ("GdaWorker has been destroyed\n");
return FALSE;
}
GMainContext *co;
gboolean unref_co = FALSE;
co = context;
if (!co) {
co = g_main_context_ref_thread_default ();
unref_co = TRUE;
}
#ifdef DEBUG_NOTIFICATION
g_print ("[W] %s() GMainContext=%p, thread=%p\n", __FUNCTION__, co, g_thread_self());
#endif
g_rec_mutex_lock (& worker->rmutex);
gboolean retval = TRUE;
DeclaredCallback *dc = NULL;
dc = g_hash_table_lookup (worker->callbacks_hash, co);
if (dc) {
if (callback) {
/* change callback's attributes */
dc->callback = callback;
dc->user_data = user_data;
}
else {
/* remove callback */
g_hash_table_remove (worker->callbacks_hash, co);
}
}
if (!dc) {
if (callback) {
/* add callback */
dc = declared_callback_new (worker, co, callback, user_data);
if (!dc) {
g_set_error (error, GDA_WORKER_ERROR, GDA_WORKER_INTER_THREAD_ERROR,
_("Cannot build inter thread communication device"));
g_rec_mutex_unlock (& worker->rmutex);
return FALSE;
}
g_hash_table_insert (worker->callbacks_hash, co, dc);
dc->source_sig_id = itsignaler_add (dc->its, co, (ITSignalerFunc) dc_callback, dc, NULL);
if (dc->source_sig_id == 0) {
g_hash_table_remove (worker->callbacks_hash, co);
g_set_error (error, GDA_WORKER_ERROR, GDA_WORKER_INTER_THREAD_ERROR,
_("GdaWorker internal error"));
retval = FALSE;
}
}
else {
/* nothing to do */
}
}
g_rec_mutex_unlock (& worker->rmutex);
if (unref_co)
g_main_context_unref (co);
return retval;
}
