Provided a clean way to run delayed tasks.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@109 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

4 files changed, 406 insertions, 0 deletions

diff --git a/src/glibext/Makefile.am b/src/glibext/Makefile.am
new file mode 100644
index 0000000..334b49a
--- /dev/null
+++ b/src/glibext/Makefile.am
@@ -0,0 +1,17 @@
+
+noinst_LTLIBRARIES  = libglibext.la
+
+libglibext_la_SOURCES =					\
+	delayed-int.h						\
+	delayed.h delayed.c
+
+libglibext_la_LDFLAGS = 
+
+
+INCLUDES = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
+
+AM_CPPFLAGS = 
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
+
+SUBDIRS = 
diff --git a/src/glibext/delayed-int.h b/src/glibext/delayed-int.h
new file mode 100644
index 0000000..7fb8f3a
--- /dev/null
+++ b/src/glibext/delayed-int.h
@@ -0,0 +1,82 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * delayed-int.h - définitions internes pour la gestion des travaux différés
+ *
+ * Copyright (C) 2009 Cyrille Bagard
+ *
+ *  This file is part of OpenIDA.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "delayed.h"
+
+
+#include "../common/dllist.h"
+
+
+
+/* -------------------------- TACHE DIFFEREE DANS LE TEMPS -------------------------- */
+
+
+/* Travail différé (instance) */
+struct _GDelayedWork
+{
+    GObject parent;                         /* A laisser en premier        */
+
+    DL_LIST_ITEM(link);                     /* Lien vers les maillons      */
+
+};
+
+/* Travail différé (classe) */
+struct _GDelayedWorkClass
+{
+    GObjectClass parent;                    /* A laisser en premier        */
+
+};
+
+
+#define delayed_work_list_add_tail(new, head) dl_list_add_tail(new, head, GDelayedWork, link)
+#define delayed_work_list_del(item, head) dl_list_del(item, head, GDelayedWork, link)
+
+
+
+/* ------------------------- TRAITEMENT DE TACHES DIFFEREES ------------------------- */
+
+
+/* Effectue le traitement d'une tâche donnée. */
+typedef void (* process_work_fc) (GWorkQueue *, GDelayedWork *);
+
+
+/* Gestionnaire des travaux différés (instance) */
+struct _GWorkQueue
+{
+    GObject parent;                         /* A laisser en premier        */
+
+    GDelayedWork *works;                    /* Tâches à mener à bien       */
+    GMutex *mutex;                          /* Verrou pour l'accès         */
+    GCond *cond;                            /* Réveil pour un traitement   */
+
+    GThread *thread;                        /* Procédure de traitement     */
+    process_work_fc process;                /* Coeur du traitement         */
+
+};
+
+/* Gestionnaire des travaux différés (classe) */
+struct _GWorkQueueClass
+{
+    GObjectClass parent;                    /* A laisser en premier        */
+
+};
diff --git a/src/glibext/delayed.c b/src/glibext/delayed.c
new file mode 100644
index 0000000..4388b2c
--- /dev/null
+++ b/src/glibext/delayed.c
@@ -0,0 +1,226 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * delayed.c - gestion des travaux différés
+ *
+ * Copyright (C) 2009 Cyrille Bagard
+ *
+ *  This file is part of OpenIDA.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "delayed.h"
+
+
+#include "delayed-int.h"
+
+
+
+/* -------------------------- TACHE DIFFEREE DANS LE TEMPS -------------------------- */
+
+
+/* Initialise la classe des travaux différés. */
+static void g_delayed_work_class_init(GDelayedWorkClass *);
+
+/* Initialise une instance de travail différé. */
+static void g_delayed_work_init(GDelayedWork *);
+
+
+
+/* ------------------------- TRAITEMENT DE TACHES DIFFEREES ------------------------- */
+
+
+/* Initialise la classe des travaux différés. */
+static void g_work_queue_class_init(GWorkQueueClass *);
+
+/* Initialise une instance de gestionnaire de travaux différés. */
+static void g_work_queue_init(GWorkQueue *);
+
+/* Assure le traitement en différé. */
+static void *g_work_queue_process(GWorkQueue *);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                            TACHE DIFFEREE DANS LE TEMPS                            */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour les travaux différés. */
+G_DEFINE_TYPE(GDelayedWork, g_delayed_work, G_TYPE_OBJECT);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des travaux différés.                   *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_delayed_work_class_init(GDelayedWorkClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : work = instance à initialiser.                               *
+*                                                                             *
+*  Description : Initialise une instance de travail différé.                  *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_delayed_work_init(GDelayedWork *work)
+{
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/*                           TRAITEMENT DE TACHES DIFFEREES                           */
+/* ---------------------------------------------------------------------------------- */
+
+
+/* Indique le type défini pour le gestionnaire des travaux différés. */
+G_DEFINE_TYPE(GWorkQueue, g_work_queue, G_TYPE_OBJECT);
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : klass = classe à initialiser.                                *
+*                                                                             *
+*  Description : Initialise la classe des travaux différés.                   *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_work_queue_class_init(GWorkQueueClass *klass)
+{
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : queue = instance à initialiser.                              *
+*                                                                             *
+*  Description : Initialise une instance de gestionnaire de travaux différés. *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void g_work_queue_init(GWorkQueue *queue)
+{
+    GError *error;                          /* Bilan de création de thread */
+
+    queue->mutex = g_mutex_new();
+    if (queue->mutex == NULL)
+        goto gwqi_error;
+
+    queue->cond = g_cond_new();
+    if (queue->cond == NULL)
+        goto gwqi_error;
+
+    queue->thread = g_thread_create((GThreadFunc)g_work_queue_process, queue, FALSE, &error);
+    if (!queue->thread)
+        goto gwqi_error;
+
+ gwqi_error:
+
+    /* TODO */ return;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : queue = gestionnaire des actions à mener.                    *
+*                                                                             *
+*  Description : Assure le traitement en différé.                             *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static void *g_work_queue_process(GWorkQueue *queue)
+{
+    GDelayedWork *work;                     /* Traitement à mener          */
+
+    while (1)
+    {
+        g_mutex_lock(queue->mutex);
+
+        if (dl_list_empty(queue->works))
+            g_cond_wait(queue->cond, queue->mutex);
+
+        work = queue->works;
+        delayed_work_list_del(work, &queue->works);
+
+        g_mutex_unlock(queue->mutex);
+
+        queue->process(queue, work);
+
+        /* TODO : delete work */
+
+    }
+
+    return NULL;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : queu = gestionnaire des actions à mener.                     *
+*                work = nouvelle tâche à programmer, puis effectuer.          *
+*                                                                             *
+*  Description : Place une nouvelle tâche en attente.                         *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void g_delayed_queue_schedule_work(GWorkQueue *queue, GDelayedWork *work)
+{
+    g_mutex_lock(queue->mutex);
+
+    delayed_work_list_add_tail(work, &queue->works);
+
+    g_cond_signal(queue->cond);
+
+    g_mutex_unlock(queue->mutex);
+
+}
diff --git a/src/glibext/delayed.h b/src/glibext/delayed.h
new file mode 100644
index 0000000..d1e3967
--- /dev/null
+++ b/src/glibext/delayed.h
@@ -0,0 +1,81 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * delayed.h - prototypes pour la gestion des travaux différés
+ *
+ * Copyright (C) 2009 Cyrille Bagard
+ *
+ *  This file is part of OpenIDA.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _GLIBEXT_DELAYED_H
+#define _GLIBEXT_DELAYED_H
+
+
+#include <glib-object.h>
+
+
+
+/* -------------------------- TACHE DIFFEREE DANS LE TEMPS -------------------------- */
+
+
+#define G_TYPE_DELAYED_WORK               g_delayed_work_get_type()
+#define G_DELAYED_WORK(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_delayed_work_get_type(), GDelayedWork))
+#define G_IS_DELAYED_WORK(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_delayed_work_get_type()))
+#define G_DELAYED_WORK_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_DELAYED_WORK, GDelayedWorkClass))
+#define G_IS_DELAYED_WORK_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_DELAYED_WORK))
+#define G_DELAYED_WORK_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_DELAYED_WORK, GDelayedWorkClass))
+
+
+/* Travail différé (instance) */
+typedef struct _GDelayedWork GDelayedWork;
+
+/* Travail différé (classe) */
+typedef struct _GDelayedWorkClass GDelayedWorkClass;
+
+
+/* Indique le type défini pour les travaux différés. */
+GType g_delayed_work_get_type(void);
+
+
+
+/* ------------------------- TRAITEMENT DE TACHES DIFFEREES ------------------------- */
+
+
+#define G_TYPE_WORK_QUEUE               g_work_queue_get_type()
+#define G_WORK_QUEUE(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_work_queue_get_type(), GWorkQueue))
+#define G_IS_WORK_QUEUE(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_work_queue_get_type()))
+#define G_WORK_QUEUE_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_WORK_QUEUE, GWorkQueueClass))
+#define G_IS_WORK_QUEUE_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_WORK_QUEUE))
+#define G_WORK_QUEUE_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_WORK_QUEUE, GWorkQueueClass))
+
+
+/* Gestionnaire des travaux différés (instance) */
+typedef struct _GWorkQueue GWorkQueue;
+
+/* Gestionnaire des travaux différés (classe) */
+typedef struct _GWorkQueueClass GWorkQueueClass;
+
+
+/* Indique le type défini pour le gestionnaire des travaux différés. */
+GType g_work_queue_get_type(void);
+
+/* Place une nouvelle tâche en attente. */
+void g_delayed_queue_schedule_work(GWorkQueue *, GDelayedWork *);
+
+
+
+#endif  /* _GLIBEXT_DELAYED_H */