tests: Add cbm monitor
Listen for new CBMs and dump their content on the console. Signed-off-by: Guido Günther <agx@sigxcpu.org>
This commit is contained in:
Guido Günther
committed by
Aleksander Morgado
Aleksander Morgado
parent
0e4bc1b6ea
commit
502e0c920f
@@ -2,6 +2,7 @@
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# Copyright (C) 2021 Iñigo Martinez <inigomartinez@gmail.com>
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test_units = {
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'mmcbmmonitor': libhelpers_dep,
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'mmrules': libkerneldevice_dep,
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'mmsmsmonitor': libhelpers_dep,
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'mmsmspdu': libhelpers_dep,
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@@ -0,0 +1,207 @@
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details:
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*
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* Copyright (C) 2019 Aleksander Morgado <aleksander@aleksander.es>*
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* Copyright (C) 2024 Guido Günther <agx@sigxcpu.org>
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <locale.h>
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#include <glib.h>
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#include <glib-unix.h>
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#include <gio/gio.h>
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#include <libmm-glib.h>
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#define PROGRAM_NAME "mmcbmmonitor"
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#define PROGRAM_VERSION PACKAGE_VERSION
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/* Globals */
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static GMainLoop *loop;
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static GList *monitored_cbm_list;
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/* Context */
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static gboolean version_flag;
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static GOptionEntry main_entries[] = {
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{ "version", 'V', 0, G_OPTION_ARG_NONE, &version_flag,
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"Print version",
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NULL
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},
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{ NULL }
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};
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static gboolean
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signals_handler (void)
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{
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if (loop && g_main_loop_is_running (loop)) {
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g_printerr ("%s\n",
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"cancelling the main loop...\n");
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g_main_loop_quit (loop);
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}
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return TRUE;
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}
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static void
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print_version_and_exit (void)
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{
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g_print ("\n"
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PROGRAM_NAME " " PROGRAM_VERSION "\n"
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"Copyright (2019) Aleksander Morgado\n"
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" (2024) Guido Günther\n"
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"License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>\n"
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"This is free software: you are free to change and redistribute it.\n"
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"There is NO WARRANTY, to the extent permitted by law.\n"
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"\n");
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exit (EXIT_SUCCESS);
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}
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static void
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print_cbm (MMCbm *cbm)
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{
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g_print ("[%s] new cbm: %s\n",
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mm_cbm_get_path (cbm),
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mm_cbm_state_get_string (mm_cbm_get_state (cbm)));
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if (mm_cbm_get_state (cbm) == MM_CBM_STATE_RECEIVED)
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g_print(" %u: %s\n", mm_cbm_get_channel (cbm), mm_cbm_get_text (cbm));
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}
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static void
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cbm_state_updated (MMCbm *cbm)
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{
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print_cbm (cbm);
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}
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static gboolean
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cbm_added (MMModemCellBroadcast *modem_cell_broadcast,
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const gchar *cbm_path)
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{
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g_autolist (MMObject) cbm_list = NULL;
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GList *l;
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MMCbm *new_cbm = NULL;
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cbm_list = mm_modem_cell_broadcast_list_sync (modem_cell_broadcast, NULL, NULL);
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for (l = cbm_list; l && !new_cbm; l = g_list_next (l)) {
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MMCbm *l_cbm = MM_CBM (l->data);
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if (g_strcmp0 (mm_cbm_get_path (l_cbm), cbm_path) == 0)
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new_cbm = l_cbm;
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}
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g_assert (new_cbm);
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print_cbm (new_cbm);
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g_signal_connect (new_cbm, "notify::state", G_CALLBACK (cbm_state_updated), NULL);
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monitored_cbm_list = g_list_append (monitored_cbm_list, g_object_ref (new_cbm));
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return TRUE;
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}
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static void
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list_all_cbm_found (MMModemCellBroadcast *modem_cell_broadcast)
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{
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g_autolist (MMObject) cbm_list= NULL;
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GList *l;
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cbm_list = mm_modem_cell_broadcast_list_sync (modem_cell_broadcast, NULL, NULL);
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for (l = cbm_list; l; l = g_list_next (l)) {
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MMCbm *l_cbm = MM_CBM (l->data);
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print_cbm (l_cbm);
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g_signal_connect (l_cbm, "notify::state", G_CALLBACK (cbm_state_updated), NULL);
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monitored_cbm_list = g_list_append (monitored_cbm_list, g_object_ref (l_cbm));
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}
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}
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static void
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on_modem_added (MMManager *manager,
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MMObject *object,
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gpointer unused)
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{
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MMModemCellBroadcast *modem_cell_broadcast;
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g_print ("Modem found at path: %s\n", mm_object_get_path (object));
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modem_cell_broadcast = MM_MODEM_CELL_BROADCAST (mm_object_peek_modem_cell_broadcast (object));
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g_signal_connect (modem_cell_broadcast, "added", G_CALLBACK (cbm_added), NULL);
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list_all_cbm_found (modem_cell_broadcast);
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}
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int main (int argc, char **argv)
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{
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g_autoptr (GOptionContext) context = NULL;
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g_autoptr (GDBusConnection) connection = NULL;
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g_autoptr (MMManager) manager = NULL;
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g_autofree gchar *name_owner = NULL;
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g_autoptr (GError) error = NULL;
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g_autolist (MMObject) modem_list = NULL;
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GList *l;
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setlocale (LC_ALL, "");
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/* Setup option context, process it and destroy it */
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context = g_option_context_new ("- ModemManager CBM monitor");
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g_option_context_add_main_entries (context, main_entries, NULL);
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g_option_context_parse (context, &argc, &argv, NULL);
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if (version_flag)
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print_version_and_exit ();
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/* Setup dbus connection to use */
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connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
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if (!connection) {
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g_printerr ("error: couldn't get bus: %s\n",
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error ? error->message : "unknown error");
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exit (EXIT_FAILURE);
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}
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manager = mm_manager_new_sync (connection,
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G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_DO_NOT_AUTO_START,
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NULL,
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&error);
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if (!manager) {
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g_printerr ("error: couldn't create manager: %s\n",
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error ? error->message : "unknown error");
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exit (EXIT_FAILURE);
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}
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name_owner = g_dbus_object_manager_client_get_name_owner (G_DBUS_OBJECT_MANAGER_CLIENT (manager));
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if (!name_owner) {
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g_printerr ("error: couldn't find the ModemManager process in the bus\n");
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exit (EXIT_FAILURE);
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}
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modem_list = g_dbus_object_manager_get_objects (G_DBUS_OBJECT_MANAGER (manager));
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for (l = modem_list; l; l = g_list_next (l))
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on_modem_added (manager, MM_OBJECT (l->data), NULL);
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g_signal_connect (manager, "object-added", G_CALLBACK (on_modem_added), NULL);
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g_unix_signal_add (SIGINT, (GSourceFunc) signals_handler, NULL);
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g_unix_signal_add (SIGHUP, (GSourceFunc) signals_handler, NULL);
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g_unix_signal_add (SIGTERM, (GSourceFunc) signals_handler, NULL);
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/* Setup main loop and shedule start in idle */
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loop = g_main_loop_new (NULL, FALSE);
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g_main_loop_run (loop);
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/* Cleanup */
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g_list_free_full (monitored_cbm_list, g_object_unref);
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g_main_loop_unref (loop);
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return EXIT_SUCCESS;
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}
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