322 lines
8.5 KiB
C
322 lines
8.5 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* mmcli -- Control modem status & access information from the command line
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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 3 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright (C) 2011 Aleksander Morgado <aleksander@gnu.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 <string.h>
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#include <glib.h>
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#include <gio/gio.h>
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#include "libmm-glib.h"
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#include "mmcli.h"
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/* Context */
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typedef struct {
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MMManager *manager;
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} Context;
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static Context ctxt;
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/* Options */
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static gboolean list_modems_flag;
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static gboolean monitor_modems_flag;
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static gboolean scan_modems_flag;
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static gchar *set_logging_str;
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static GOptionEntry entries[] = {
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{ "set-logging", 'L', 0, G_OPTION_ARG_STRING, &set_logging_str,
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"Set logging level in the ModemManager daemon",
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"[ERR,WARN,INFO,DEBUG]",
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},
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{ "list-modems", 'l', 0, G_OPTION_ARG_NONE, &list_modems_flag,
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"List available modems",
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NULL
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},
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{ "monitor-modems", 'm', 0, G_OPTION_ARG_NONE, &monitor_modems_flag,
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"List available modems and monitor additions and removals",
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NULL
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},
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{ "scan-modems", 's', 0, G_OPTION_ARG_NONE, &scan_modems_flag,
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"Request to re-scan looking for modems",
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NULL
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},
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{ NULL }
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};
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GOptionGroup *
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mmcli_manager_get_option_group (void)
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{
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GOptionGroup *group;
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/* Status options */
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group = g_option_group_new ("manager",
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"Manager options",
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"Show manager options",
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NULL,
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NULL);
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g_option_group_add_entries (group, entries);
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return group;
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}
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gboolean
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mmcli_manager_options_enabled (void)
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{
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guint n_actions;
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n_actions = (list_modems_flag +
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monitor_modems_flag +
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scan_modems_flag +
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(set_logging_str ? 1 : 0));
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if (n_actions > 1) {
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g_printerr ("error, too many manager actions requested\n");
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exit (EXIT_FAILURE);
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}
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return !!n_actions;
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}
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static void
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init (GDBusConnection *connection)
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{
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GError *error = NULL;
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/* Create new manager */
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ctxt.manager = mm_manager_new (connection, NULL, &error);
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if (!ctxt.manager) {
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g_printerr ("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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}
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void
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mmcli_manager_shutdown (void)
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{
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g_object_unref (ctxt.manager);
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}
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static void
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scan_devices_process_reply (gboolean result,
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const GError *error)
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{
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if (!result) {
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g_printerr ("couldn't request to scan devices: '%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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g_print ("successfully requested to scan devices\n");
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}
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static void
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scan_devices_ready (MMManager *manager,
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GAsyncResult *result,
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gpointer nothing)
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{
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gboolean operation_result;
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GError *error = NULL;
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operation_result = mm_manager_scan_devices_finish (manager,
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result,
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&error);
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scan_devices_process_reply (operation_result, error);
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mmcli_async_operation_done ();
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}
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static void
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enumerate_devices_process_reply (const GStrv paths,
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const GError *error)
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{
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if (error) {
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g_printerr ("error: couldn't enumerate devices: '%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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g_print ("\n");
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if (!paths) {
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g_print ("No modems were found");
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} else {
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guint i;
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for (i = 0; paths[i]; i++) {
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g_print ("%s: '%s'\n",
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"Found modem",
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paths[i]);
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}
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}
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g_print ("\n");
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}
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static void
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enumerate_devices_ready (MMManager *manager,
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GAsyncResult *result,
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gpointer nothing)
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{
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GStrv paths;
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GError *error = NULL;
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paths = mm_manager_enumerate_devices_finish (manager, result, &error);
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enumerate_devices_process_reply (paths, error);
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g_strfreev (paths);
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mmcli_async_operation_done ();
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}
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static void
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device_added (MMManager *manager,
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const gchar *path)
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{
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g_print ("%s: '%s'\n",
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"Added modem",
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path);
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fflush (stdout);
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}
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static void
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device_removed (MMManager *manager,
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const gchar *path)
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{
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g_print ("%s: '%s'\n",
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"Removed modem",
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path);
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fflush (stdout);
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}
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gboolean
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mmcli_manager_run_asynchronous (GDBusConnection *connection,
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GCancellable *cancellable)
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{
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gboolean keep_loop = FALSE;
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if (set_logging_str) {
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g_printerr ("error: logging level cannot be set asynchronously\n");
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exit (EXIT_FAILURE);
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}
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/* Initialize context */
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init (connection);
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/* Request to scan modems? */
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if (scan_modems_flag) {
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mm_manager_scan_devices_async (ctxt.manager,
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cancellable,
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(GAsyncReadyCallback)scan_devices_ready,
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NULL);
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return keep_loop;
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}
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/* Request to monitor modems? */
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if (monitor_modems_flag) {
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g_signal_connect (ctxt.manager,
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"device-added",
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G_CALLBACK (device_added),
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NULL);
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g_signal_connect (ctxt.manager,
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"device-removed",
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G_CALLBACK (device_removed),
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NULL);
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/* We need to keep the loop */
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keep_loop = TRUE;
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}
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/* Request to list modems? */
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if (monitor_modems_flag || list_modems_flag) {
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mm_manager_enumerate_devices_async (ctxt.manager,
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cancellable,
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(GAsyncReadyCallback)enumerate_devices_ready,
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NULL);
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return keep_loop;
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}
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g_warn_if_reached ();
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return FALSE;
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}
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void
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mmcli_manager_run_synchronous (GDBusConnection *connection)
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{
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GError *error = NULL;
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if (monitor_modems_flag) {
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g_printerr ("error: monitoring modems cannot be done synchronously\n");
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exit (EXIT_FAILURE);
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}
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/* Initialize context */
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init (connection);
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/* Request to set log level? */
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if (set_logging_str) {
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MMLogLevel level;
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if (g_strcmp0 (set_logging_str, "ERR") == 0)
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level = MM_LOG_LEVEL_ERROR;
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else if (g_strcmp0 (set_logging_str, "WARN") == 0)
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level = MM_LOG_LEVEL_WARNING;
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else if (g_strcmp0 (set_logging_str, "INFO") == 0)
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level = MM_LOG_LEVEL_INFO;
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else if (g_strcmp0 (set_logging_str, "DEBUG") == 0)
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level = MM_LOG_LEVEL_DEBUG;
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else {
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g_printerr ("couldn't set unknown logging level: '%s'\n",
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set_logging_str);
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exit (EXIT_FAILURE);
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}
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if (mm_manager_set_logging (ctxt.manager, level, &error)) {
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g_printerr ("couldn't set logging level: '%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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g_print ("successfully set log level '%s'\n", set_logging_str);
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return;
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}
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/* Request to scan modems? */
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if (scan_modems_flag) {
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gboolean result;
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result = mm_manager_scan_devices (ctxt.manager, &error);
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scan_devices_process_reply (result, error);
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return;
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}
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/* Request to list modems? */
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if (list_modems_flag) {
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GStrv paths;
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paths = mm_manager_enumerate_devices (ctxt.manager, &error);
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enumerate_devices_process_reply (paths, error);
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g_strfreev (paths);
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return;
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}
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g_warn_if_reached ();
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}
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