shared-qmi: new interface to handle common QMI implementations

This new interface will include implementations that are shared
between the MMBroadbandModemQmi and the MMBroadbandModemMbim.

For now, it just provides a way to implement the common client
allocation methods.

1 files changed, 84 insertions, 0 deletions

diff --git a/src/mm-shared-qmi.c b/src/mm-shared-qmi.c
new file mode 100644
index 00000000..84ec75d4
--- /dev/null
+++ b/src/mm-shared-qmi.c
@@ -0,0 +1,84 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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:
+ *
+ * Copyright (C) 2018 Aleksander Morgado <aleksander@aleksander.es>
+ */
+
+#include <config.h>
+#include <arpa/inet.h>
+
+#include <glib-object.h>
+#include <gio/gio.h>
+
+#define _LIBMM_INSIDE_MM
+#include <libmm-glib.h>
+
+#include <libqmi-glib.h>
+
+#include "mm-iface-modem.h"
+#include "mm-shared-qmi.h"
+
+/*****************************************************************************/
+
+QmiClient *
+mm_shared_qmi_peek_client (MMSharedQmi    *self,
+                           QmiService      service,
+                           MMPortQmiFlag   flag,
+                           GError        **error)
+{
+    g_assert (MM_SHARED_QMI_GET_INTERFACE (self)->peek_client);
+    return MM_SHARED_QMI_GET_INTERFACE (self)->peek_client (self, service, flag, error);
+}
+
+gboolean
+mm_shared_qmi_ensure_client (MMSharedQmi          *self,
+                             QmiService            service,
+                             QmiClient           **o_client,
+                             GAsyncReadyCallback   callback,
+                             gpointer              user_data)
+{
+    GError    *error = NULL;
+    QmiClient *client;
+
+    client = mm_shared_qmi_peek_client (self, service, MM_PORT_QMI_FLAG_DEFAULT, &error);
+    if (!client) {
+        g_task_report_error (self, callback, user_data, mm_shared_qmi_ensure_client, error);
+        return FALSE;
+    }
+
+    *o_client = client;
+    return TRUE;
+}
+
+static void
+shared_qmi_init (gpointer g_iface)
+{
+}
+
+GType
+mm_shared_qmi_get_type (void)
+{
+    static GType shared_qmi_type = 0;
+
+    if (!G_UNLIKELY (shared_qmi_type)) {
+        static const GTypeInfo info = {
+            sizeof (MMSharedQmi),  /* class_size */
+            shared_qmi_init,       /* base_init */
+            NULL,                  /* base_finalize */
+        };
+
+        shared_qmi_type = g_type_register_static (G_TYPE_INTERFACE, "MMSharedQmi", &info, 0);
+        g_type_interface_add_prerequisite (shared_qmi_type, MM_TYPE_IFACE_MODEM);
+    }
+
+    return shared_qmi_type;
+}