mmcli: new Time-specific actions

cli/Makefile.am

@@ -21,6 +21,7 @@ mmcli_SOURCES = \
 	mmcli-modem-simple.c \
 	mmcli-modem-location.c \
 	mmcli-modem-messaging.c \
+	mmcli-modem-time.c \
 	mmcli-bearer.c \
 	mmcli-sim.c \
 	mmcli-sms.c

cli/mmcli-modem-time.c

@@ -0,0 +1,262 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * mmcli -- Control modem status & access information from the command line
+ *
+ * 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 3 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright (C) 2012 Google, Inc.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <locale.h>
+#include <string.h>
+
+#include <glib.h>
+#include <gio/gio.h>
+
+#include <libmm-glib.h>
+
+#include "mmcli.h"
+#include "mmcli-common.h"
+
+/* Context */
+typedef struct {
+    MMManager *manager;
+    GCancellable *cancellable;
+    MMObject *object;
+    MMModemTime *modem_time;
+} Context;
+static Context *ctx;
+
+/* Options */
+static gboolean time_flag;
+
+static GOptionEntry entries[] = {
+    { "time", 0, 0, G_OPTION_ARG_NONE, &time_flag,
+      "Get current network time",
+      NULL
+    },
+    { NULL }
+};
+
+GOptionGroup *
+mmcli_modem_time_get_option_group (void)
+{
+	GOptionGroup *group;
+
+	group = g_option_group_new ("time",
+	                            "Time options",
+	                            "Show Time options",
+	                            NULL,
+	                            NULL);
+	g_option_group_add_entries (group, entries);
+
+	return group;
+}
+
+gboolean
+mmcli_modem_time_options_enabled (void)
+{
+    static guint n_actions = 0;
+    static gboolean checked = FALSE;
+
+    if (checked)
+        return !!n_actions;
+
+    n_actions = (time_flag);
+
+    if (n_actions > 1) {
+        g_printerr ("error: too many Time actions requested\n");
+        exit (EXIT_FAILURE);
+    }
+
+    checked = TRUE;
+    return !!n_actions;
+}
+
+static void
+context_free (Context *ctx)
+{
+    if (!ctx)
+        return;
+
+    if (ctx->cancellable)
+        g_object_unref (ctx->cancellable);
+    if (ctx->modem_time)
+        g_object_unref (ctx->modem_time);
+    if (ctx->object)
+        g_object_unref (ctx->object);
+    if (ctx->manager)
+        g_object_unref (ctx->manager);
+    g_free (ctx);
+}
+
+static void
+ensure_modem_time (void)
+{
+    if (ctx->modem_time)
+        return;
+
+    g_printerr ("error: modem has no time capabilities\n");
+    exit (EXIT_FAILURE);
+}
+
+void
+mmcli_modem_time_shutdown (void)
+{
+    context_free (ctx);
+}
+
+static void
+get_network_time_process_reply (gchar *time_string,
+                                MMNetworkTimezone *timezone,
+                                const GError *error)
+{
+    gchar *offset = NULL;
+    gchar *dst_offset = NULL;
+    gchar *leap_seconds = NULL;
+
+    if (error)
+        g_printerr ("error: couldn't get current network time: '%s'\n",
+                    error->message);
+
+    /* Not the best thing to do, as we may be doing _get() calls twice, but
+     * easiest to maintain */
+#undef VALIDATE
+#define VALIDATE(str) (str ? str : "not available")
+
+    if (timezone) {
+        if (mm_network_timezone_get_offset (timezone) != MM_NETWORK_TIMEZONE_OFFSET_UNKNOWN)
+            offset = g_strdup_printf ("%" G_GINT32_FORMAT, mm_network_timezone_get_offset (timezone));
+
+        if (mm_network_timezone_get_dst_offset (timezone) != MM_NETWORK_TIMEZONE_OFFSET_UNKNOWN)
+            dst_offset = g_strdup_printf ("%" G_GINT32_FORMAT, mm_network_timezone_get_dst_offset (timezone));
+
+        if (mm_network_timezone_get_leap_seconds (timezone) != MM_NETWORK_TIMEZONE_LEAP_SECONDS_UNKNOWN)
+            leap_seconds = g_strdup_printf ("%" G_GINT32_FORMAT, mm_network_timezone_get_leap_seconds (timezone));
+    }
+
+    g_print ("\n"
+             "%s\n"
+             "  ----------------------------\n"
+             "  Time     |      Current: '%s'\n"
+             "  ----------------------------\n"
+             "  Timezone |       Offset: '%s'\n"
+             "           |   DST offset: '%s'\n"
+             "           | Leap seconds: '%s'\n",
+             mm_modem_time_get_path (ctx->modem_time),
+             VALIDATE (time_string),
+             VALIDATE (offset),
+             VALIDATE (dst_offset),
+             VALIDATE (leap_seconds));
+
+    g_free (offset);
+    g_free (dst_offset);
+    g_free (leap_seconds);
+    g_free (time_string);
+
+    if (error)
+        exit (EXIT_FAILURE);
+}
+
+static void
+get_network_time_ready (MMModemTime *modem_time,
+                        GAsyncResult    *result)
+{
+    MMNetworkTimezone *timezone;
+    gchar *time_string;
+    GError *error = NULL;
+
+    time_string = mm_modem_time_get_network_time_finish (modem_time, result, &error);
+    timezone = mm_modem_time_get_network_timezone (modem_time);
+    get_network_time_process_reply (time_string, timezone, error);
+
+    mmcli_async_operation_done ();
+}
+
+static void
+get_modem_ready (GObject      *source,
+                 GAsyncResult *result,
+                 gpointer      none)
+{
+    ctx->object = mmcli_get_modem_finish (result, &ctx->manager);
+    ctx->modem_time = mm_object_get_modem_time (ctx->object);
+
+    ensure_modem_time ();
+
+    /* Request to get network time from the modem? */
+    if (time_flag) {
+        g_debug ("Asynchronously getting network time from the modem...");
+
+        mm_modem_time_get_network_time (ctx->modem_time,
+                                        ctx->cancellable,
+                                        (GAsyncReadyCallback)get_network_time_ready,
+                                        NULL);
+        return;
+    }
+
+    g_warn_if_reached ();
+}
+
+void
+mmcli_modem_time_run_asynchronous (GDBusConnection *connection,
+                                   GCancellable    *cancellable)
+{
+    /* Initialize context */
+    ctx = g_new0 (Context, 1);
+    if (cancellable)
+        ctx->cancellable = g_object_ref (cancellable);
+
+    /* Get proper modem */
+    mmcli_get_modem (connection,
+                     mmcli_get_common_modem_string (),
+                     cancellable,
+                     (GAsyncReadyCallback)get_modem_ready,
+                     NULL);
+}
+
+void
+mmcli_modem_time_run_synchronous (GDBusConnection *connection)
+{
+    GError *error = NULL;
+
+    /* Initialize context */
+    ctx = g_new0 (Context, 1);
+    ctx->object = mmcli_get_modem_sync (connection,
+                                        mmcli_get_common_modem_string (),
+                                        &ctx->manager);
+    ctx->modem_time = mm_object_get_modem_time (ctx->object);
+
+    ensure_modem_time ();
+
+    /* Request to get network time from the modem? */
+    if (time_flag) {
+        gchar *time_string;
+        MMNetworkTimezone *timezone;
+
+        g_debug ("Synchronously getting network time from the modem...");
+
+        time_string = mm_modem_time_get_network_time_sync (ctx->modem_time,
+                                                           NULL,
+                                                           &error);
+        timezone = mm_modem_time_get_network_timezone (ctx->modem_time);
+        get_network_time_process_reply (time_string, timezone, error);
+        return;
+    }
+
+    g_warn_if_reached ();
+}

cli/mmcli.c

@@ -192,6 +192,8 @@ main (gint argc, gchar **argv)
 	                            mmcli_modem_location_get_option_group ());
 	g_option_context_add_group (context,
 	                            mmcli_modem_messaging_get_option_group ());
+	g_option_context_add_group (context,
+	                            mmcli_modem_time_get_option_group ());
 	g_option_context_add_group (context,
 	                            mmcli_sim_get_option_group ());
 	g_option_context_add_group (context,
@@ -295,6 +297,13 @@ main (gint argc, gchar **argv)
         else
             mmcli_modem_messaging_run_synchronous (connection);
     }
+    /* Modem Time options? */
+    else if (mmcli_modem_time_options_enabled ()) {
+        if (async_flag)
+            mmcli_modem_time_run_asynchronous (connection, cancellable);
+        else
+            mmcli_modem_time_run_synchronous (connection);
+    }
     /* Modem options?
      * NOTE: let this check be always the last one, as other groups also need
      * having a modem specified, and therefore if -m is set, modem options
@@ -327,6 +336,8 @@ main (gint argc, gchar **argv)
         mmcli_modem_location_shutdown ();
     } else if (mmcli_modem_messaging_options_enabled ()) {
         mmcli_modem_messaging_shutdown ();
+    } else if (mmcli_modem_time_options_enabled ()) {
+        mmcli_modem_time_shutdown ();
     }  else if (mmcli_sim_options_enabled ()) {
         mmcli_sim_shutdown ();
     } else if (mmcli_bearer_options_enabled ()) {

cli/mmcli.h

@@ -84,6 +84,14 @@ void          mmcli_modem_messaging_run_asynchronous   (GDBusConnection *connect
 void          mmcli_modem_messaging_run_synchronous    (GDBusConnection *connection);
 void          mmcli_modem_messaging_shutdown           (void);
 
+/* Time group */
+GOptionGroup *mmcli_modem_time_get_option_group   (void);
+gboolean      mmcli_modem_time_options_enabled    (void);
+void          mmcli_modem_time_run_asynchronous   (GDBusConnection *connection,
+                                                   GCancellable    *cancellable);
+void          mmcli_modem_time_run_synchronous    (GDBusConnection *connection);
+void          mmcli_modem_time_shutdown           (void);
+
 /* Bearer group */
 GOptionGroup *mmcli_bearer_get_option_group   (void);
 gboolean      mmcli_bearer_options_enabled    (void);