src/network-clock.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <vconf.h>
  21 #include <vconf-keys.h>
  22
  23 #include "log.h"
  24 #include "util.h"
  25 #include "netdbus.h"
  26 #include "wifi-state.h"
  27
  28 #define NTP_SERVER      "pool.ntp.org"
  29 #define CONNMAN_GLOBAL_SETTING  "/var/lib/connman/settings"
  30
  31 static void __netconfig_clock_clear_timeserver(void)
  32 {
  33         GKeyFile *keyfile = NULL;
  34
  35         keyfile = netconfig_keyfile_load(CONNMAN_GLOBAL_SETTING);
  36
  37         if (keyfile == NULL)
  38                 return;
  39
  40         g_key_file_remove_key(keyfile, "global", "Timeservers", NULL);
  41
  42         netconfig_keyfile_save(keyfile, CONNMAN_GLOBAL_SETTING);
  43         g_key_file_free(keyfile);
  44 }
  45
  46 static gboolean __netconfig_clock_clear_timeserver_timer(gpointer data)
  47 {
  48         INFO("Clear NTP server");
  49
  50         __netconfig_clock_clear_timeserver();
  51
  52         return FALSE;
  53 }
  54
  55 static void __netconfig_clock_set_timeserver(const char *server)
  56 {
  57         GVariant* reply = NULL;
  58         const char param0[] = "Timeservers";
  59         GVariant *params = NULL;
  60         GVariantBuilder *builder;
  61
  62         builder = g_variant_builder_new(G_VARIANT_TYPE("as"));
  63         g_variant_builder_add(builder, "s", server);
  64
  65         params = g_variant_new("(sv)", param0, g_variant_builder_end(builder));
  66         g_variant_builder_unref(builder);
  67
  68         reply = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
  69                         CONNMAN_MANAGER_PATH, CONNMAN_CLOCK_INTERFACE,
  70                         "SetProperty", params);
  71
  72         if (reply == NULL)
  73                 ERR("Failed to configure NTP server");
  74         else
  75                 g_variant_unref(reply);
  76
  77         return;
  78 }
  79
  80 static void __netconfig_clock_unset_timeserver(void)
  81 {
  82         GVariant* reply = NULL;
  83         const char param0[] = "Timeservers";
  84         const char server[] = "";
  85         GVariant *params = NULL;
  86         GVariantBuilder *builder;
  87
  88         builder = g_variant_builder_new(G_VARIANT_TYPE("as"));
  89         g_variant_builder_add(builder, "s", server);
  90
  91         params = g_variant_new("(sv)", param0, g_variant_builder_end(builder));
  92         g_variant_builder_unref(builder);
  93
  94         reply = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
  95                         CONNMAN_MANAGER_PATH, CONNMAN_CLOCK_INTERFACE,
  96                         "SetProperty", params);
  97
  98         if (reply == NULL)
  99                 ERR("Failed to clear NTP server");
 100         else
 101                 g_variant_unref(reply);
 102
 103         return;
 104 }
 105
 106 static void __netconfig_set_timeserver(void)
 107 {
 108         guint timeserver_clear_timer = 0;
 109         int nitz_updated = 0;
 110
 111         netconfig_vconf_get_int(VCONFKEY_TELEPHONY_NITZ_EVENT_GMT, &nitz_updated);
 112
 113         if (nitz_updated != 0)
 114                 return;
 115
 116         __netconfig_clock_set_timeserver((const char *)NTP_SERVER);
 117
 118         netconfig_start_timer_seconds(5, __netconfig_clock_clear_timeserver_timer,
 119                         NULL, &timeserver_clear_timer);
 120 }
 121
 122 static void __network_changed_cb(keynode_t *node, void *user_data)
 123 {
 124         int status = VCONFKEY_NETWORK_OFF;
 125         gboolean automatic_time_update = 0;
 126
 127         if (node != NULL)
 128                 status = vconf_keynode_get_int(node);
 129         else
 130                 netconfig_vconf_get_int(VCONFKEY_NETWORK_STATUS, &status);
 131
 132         if (status == VCONFKEY_NETWORK_OFF)
 133                 return;
 134
 135         netconfig_vconf_get_bool(
 136                         VCONFKEY_SETAPPL_STATE_AUTOMATIC_TIME_UPDATE_BOOL,
 137                         &automatic_time_update);
 138
 139         if (automatic_time_update == FALSE) {
 140                 INFO("Automatic time update is not set (%d)", automatic_time_update);
 141                 return;
 142         }
 143
 144         __netconfig_set_timeserver();
 145 }
 146
 147 static void __automatic_time_update_changed_cb(keynode_t *node, void *user_data)
 148 {
 149         int status = VCONFKEY_NETWORK_OFF;
 150         gboolean automatic_time_update = FALSE;
 151
 152         if (node != NULL)
 153                 automatic_time_update = vconf_keynode_get_bool(node);
 154         else
 155                 netconfig_vconf_get_bool(VCONFKEY_SETAPPL_STATE_AUTOMATIC_TIME_UPDATE_BOOL, &automatic_time_update);
 156
 157         if (automatic_time_update == FALSE) {
 158                 INFO("Automatic time update is changed to 'FALSE'");
 159                 __netconfig_clock_unset_timeserver();
 160                 return;
 161         }
 162
 163         netconfig_vconf_get_int(VCONFKEY_NETWORK_STATUS, &status);
 164
 165          if (status == VCONFKEY_NETWORK_OFF) {
 166                 INFO("There is no connection");
 167                 return;
 168          }
 169
 170         __netconfig_set_timeserver();
 171 }
 172
 173 static void __nitz_event_cb(keynode_t *node, void *user_data)
 174 {
 175         int nitz_updated = 0;
 176
 177         if (node != NULL)
 178                 nitz_updated = vconf_keynode_get_int(node);
 179         else
 180                 netconfig_vconf_get_int(VCONFKEY_TELEPHONY_NITZ_EVENT_GMT, &nitz_updated);
 181
 182         if (nitz_updated != 0) {
 183                 INFO("Time is updated by NITZ");
 184                 __netconfig_clock_unset_timeserver();
 185                 return;
 186         }
 187 }
 188
 189 void netconfig_clock_init(void)
 190 {
 191         INFO("netconfig_clock_init is called");
 192         vconf_notify_key_changed(VCONFKEY_SETAPPL_STATE_AUTOMATIC_TIME_UPDATE_BOOL,
 193                         __automatic_time_update_changed_cb, NULL);
 194         vconf_notify_key_changed(VCONFKEY_TELEPHONY_NITZ_EVENT_GMT,
 195                         __nitz_event_cb, NULL);
 196         vconf_notify_key_changed(VCONFKEY_NETWORK_STATUS,
 197                         __network_changed_cb, NULL);
 198 }
 199
 200 void netconfig_clock_deinit(void)
 201 {
 202         vconf_ignore_key_changed(VCONFKEY_SETAPPL_STATE_AUTOMATIC_TIME_UPDATE_BOOL,
 203                         __automatic_time_update_changed_cb);
 204         vconf_ignore_key_changed(VCONFKEY_TELEPHONY_NITZ_EVENT_GMT,
 205                         __nitz_event_cb);
 206         vconf_ignore_key_changed(VCONFKEY_NETWORK_STATUS,
 207                         __network_changed_cb);
 208 }