src/desc-indicator.c

   1 /*
   2  * tel-plugin-indicator
   3  *
   4  * Copyright (c) 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: DongHoo Park <donghoo.park@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <errno.h>
  26 #include <glib.h>
  27
  28 #include <tcore.h>
  29 #include <server.h>
  30 #include <plugin.h>
  31 #include <storage.h>
  32 #include <co_ps.h>
  33 #include <co_context.h>
  34
  35 #define INDICATOR_UPDATE_INTERVAL       1
  36 #define INDICATOR_PROCFILE              "/proc/net/dev"
  37 #define INDICATOR_BUFF_SIZE             4096
  38 #define NO_RX_PKT_TIMEOUT       30
  39 //enum
  40
  41 typedef enum _cellular_state {
  42         CELLULAR_OFF = 0x00,
  43         CELLULAR_NORMAL_CONNECTED = 0x01,
  44         CELLULAR_SECURE_CONNECTED = 0x02,
  45         CELLULAR_USING = 0x03,
  46 } cellular_state;
  47
  48 typedef enum _indicator_state {
  49         INDICATOR_NORMAL = 0x00,
  50         INDICATOR_RX = 0x01,
  51         INDICATOR_TX = 0x02,
  52         INDICATOR_RXTX = 0x03,
  53 } indicator_state;
  54
  55 struct indicator_device_state {
  56         gchar *devname;
  57         gboolean active;
  58         guint64 prev_rx;
  59         guint64 prev_tx;
  60         guint64 curr_rx;
  61         guint64 curr_tx;
  62 };
  63
  64 //global variable
  65 static struct  indicator_device_state indicator_info = {
  66         NULL,FALSE,0,0,0,0
  67 };
  68
  69 static GSource* src;
  70 static gboolean _indicator_update_callback(gpointer user_data);
  71
  72 static void _indicator_initialize(Server *s)
  73 {
  74         indicator_info.prev_rx = 0;
  75         indicator_info.prev_tx = 0;
  76         indicator_info.curr_rx = 0;
  77         indicator_info.curr_tx = 0;
  78 }
  79
  80 static gboolean _indicator_start_updater(Server *s)
  81 {
  82         Storage *strg_vconf;
  83         gpointer vconf_handle;
  84
  85         dbg("indicator is started");
  86
  87         strg_vconf = tcore_server_find_storage(s, "vconf");
  88         vconf_handle = tcore_storage_create_handle(strg_vconf, "vconf");
  89         if (!vconf_handle)
  90                 err("fail to create vconf db_handle");
  91
  92         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, CELLULAR_NORMAL_CONNECTED);
  93         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_NORMAL);
  94
  95         if(src != 0)
  96                 return FALSE;
  97
  98         _indicator_initialize(s);
  99
 100         src = g_timeout_source_new_seconds(INDICATOR_UPDATE_INTERVAL);
 101         g_source_set_callback(src, _indicator_update_callback, s, NULL);
 102         g_source_set_priority(src, G_PRIORITY_HIGH);
 103         g_source_attach(src, NULL);
 104         g_source_unref(src);
 105
 106         return TRUE;
 107 }
 108
 109 static gboolean _indicator_stop_updater(Server *s)
 110 {
 111         Storage *strg_vconf;
 112         gpointer vconf_handle;
 113         int t_rx = 0, t_tx = 0;
 114
 115         dbg("indicator is stopped");
 116         strg_vconf = tcore_server_find_storage(s, "vconf");
 117         vconf_handle = tcore_storage_create_handle(strg_vconf, "vconf");
 118         if (!vconf_handle)
 119                 err("fail to create vconf db_handle");
 120
 121         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, CELLULAR_OFF);
 122         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_NORMAL);
 123
 124         t_rx = tcore_storage_get_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_TOTAL_RCV);
 125         t_tx = tcore_storage_get_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_TOTAL_SNT);
 126         t_rx += (int)indicator_info.curr_rx;
 127         t_tx += (int)indicator_info.curr_tx;
 128
 129         tcore_storage_set_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_TOTAL_RCV, t_rx);
 130         tcore_storage_set_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_TOTAL_SNT, t_tx);
 131         tcore_storage_set_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_LAST_RCV, (int)indicator_info.curr_rx);
 132         tcore_storage_set_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_LAST_SNT, (int)indicator_info.curr_tx);
 133
 134         if(src == 0)
 135                 return TRUE;
 136
 137         g_source_destroy(src);
 138         src = 0;
 139
 140         return TRUE;
 141 }
 142
 143 static gint _indicator_get_proc_ver(gchar *buff)
 144 {
 145         if (strstr(buff, "compressed")) return 3;
 146         if (strstr(buff, "bytes")) return 2;
 147         return 1;
 148 }
 149
 150 static gint _indicator_get_pkt(gchar *buff, gint proc_ver, guint64 *rx_pkt, guint64 *tx_pkt)
 151 {
 152         gint result = -1;
 153         gchar s_rx[100];
 154         gchar s_tx[100];
 155
 156         memset(s_rx, 0 , 100);
 157         memset(s_tx, 0 , 100);
 158
 159         if (buff == NULL)
 160                 return result;
 161
 162         switch (proc_ver) {
 163         case 3:
 164                 result = sscanf(buff,
 165                                 "%s %*s %*s %*s %*s %*s %*s %*s %s %*s %*s %*s %*s %*s %*s %*s",
 166                                 s_rx, s_tx);
 167                 break;
 168         case 2:
 169                 result = sscanf(buff,
 170                                 "%s %*s %*s %*s %*s %*s %*s %*s %s %*s %*s %*s %*s %*s %*s %*s",
 171                                 s_rx, s_tx);
 172                 break;
 173         case 1:
 174                 result = sscanf(buff,
 175                                 "%s %*s %*s %*s %*s %*s %*s %*s %s %*s %*s %*s %*s %*s %*s %*s",
 176                                 s_rx, s_tx);
 177                 break;
 178         default:
 179                 dbg("stats unknown version");
 180                 break;
 181         }
 182
 183         *rx_pkt = g_ascii_strtoull(s_rx, NULL, 10);
 184         *tx_pkt = g_ascii_strtoull(s_tx, NULL, 10);
 185
 186         return result;
 187 }
 188
 189 static gboolean _indicator_get_pktcnt(gpointer user_data)
 190 {
 191         FILE *pf = NULL;
 192         gint proc_ver = 0;
 193         char *res;
 194         gchar buff[INDICATOR_BUFF_SIZE];
 195
 196         pf = fopen(INDICATOR_PROCFILE, "r");
 197         if (pf == NULL) {
 198                 err("indicator fail to open file(%s), errno(%d)", INDICATOR_PROCFILE, errno);
 199                 return FALSE;
 200         }
 201
 202         res = fgets(buff, sizeof(buff), pf);
 203         if (res == NULL)
 204                 err("fegts fails");
 205         res = fgets(buff, sizeof(buff), pf);
 206         if (res == NULL)
 207                 err("fegts fails");
 208         proc_ver = _indicator_get_proc_ver(buff);
 209
 210         while (fgets(buff, sizeof(buff), pf)) {
 211                 gint result = 0;
 212                 guint64 rx_pkt = 0;
 213                 guint64 tx_pkt = 0;
 214                 gchar *ifname, *entry;
 215
 216                 ifname = buff;
 217                 while (*ifname == ' ')
 218                         ifname++;
 219                 entry = strrchr(ifname, ':');
 220                 *entry++ = 0;
 221
 222                 result = _indicator_get_pkt(entry, proc_ver, &rx_pkt, &tx_pkt);
 223                 if (result <= 0) {
 224                         err("stats fail to get proc field");
 225                         fclose(pf);
 226                         return FALSE;
 227                 }
 228
 229                 if ( g_strcmp0(ifname, indicator_info.devname) == 0 ){
 230                         indicator_info.prev_rx = indicator_info.curr_rx;
 231                         indicator_info.prev_tx = indicator_info.curr_tx;
 232                         indicator_info.curr_rx = rx_pkt;
 233                         indicator_info.curr_tx = tx_pkt;
 234                         break;
 235                 }
 236         }
 237
 238         fclose(pf);
 239         return TRUE;
 240 }
 241
 242 static gboolean _indicator_update(Server *s)
 243 {
 244         guint64 rx_changes = 0;
 245         guint64 tx_changes = 0;
 246         Storage *strg_vconf;
 247         gpointer vconf_handle;
 248
 249         strg_vconf = tcore_server_find_storage(s, "vconf");
 250         vconf_handle = tcore_storage_create_handle(strg_vconf, "vconf");
 251         if (!vconf_handle)
 252                 err("fail to create vconf db_handle");
 253
 254         if(!indicator_info.active) return FALSE;
 255
 256         rx_changes = indicator_info.curr_rx - indicator_info.prev_rx;
 257         tx_changes = indicator_info.curr_tx - indicator_info.prev_tx;
 258
 259         if (rx_changes != 0 || tx_changes != 0)
 260                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, CELLULAR_USING);
 261         else
 262                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, CELLULAR_NORMAL_CONNECTED);
 263
 264         if (rx_changes > 0 && tx_changes > 0)
 265                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_RXTX);
 266         else if (rx_changes > 0 && tx_changes == 0)
 267                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_RX);
 268         else if (rx_changes == 0 && tx_changes > 0)
 269                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_TX);
 270         else
 271                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_NORMAL);
 272
 273         return TRUE;
 274 }
 275
 276 static gboolean _indicator_update_callback(gpointer user_data)
 277 {
 278         gboolean rv = FALSE;
 279         Server *s = NULL;
 280
 281         s = (Server *)user_data;
 282
 283         rv = _indicator_get_pktcnt(NULL);
 284         if(!rv){
 285                 src = 0;
 286                 return FALSE;
 287         }
 288
 289         rv = _indicator_update(s);
 290         if(!rv){
 291                 src = 0;
 292                 return FALSE;
 293         }
 294
 295         return TRUE;
 296 }
 297
 298 static enum tcore_hook_return __on_hook_powered(Server *s, CoreObject *source,
 299                 enum tcore_notification_command command, unsigned int data_len, void *data, void *user_data)
 300 {
 301         struct tnoti_modem_power *modem_power = NULL;
 302
 303         dbg("powered event called");
 304         g_return_val_if_fail(data != NULL, TCORE_HOOK_RETURN_STOP_PROPAGATION);
 305
 306         modem_power = (struct tnoti_modem_power *)data;
 307         if ( modem_power->state == MODEM_STATE_ERROR ){
 308                 indicator_info.active = FALSE;
 309                 g_free(indicator_info.devname);
 310                 indicator_info.devname = NULL;
 311                 _indicator_stop_updater(s);
 312         }
 313
 314         return TCORE_HOOK_RETURN_CONTINUE;
 315 }
 316
 317 static enum tcore_hook_return __on_hook_callstatus(Server *s, CoreObject *source,
 318                 enum tcore_notification_command command, unsigned int data_len, void *data,
 319                 void *user_data)
 320 {
 321         unsigned int con_id = 0;
 322         CoreObject *co_ps = NULL, *co_context = NULL;
 323         struct tnoti_ps_call_status *cstatus = NULL;
 324
 325         dbg("call status event");
 326         g_return_val_if_fail(data != NULL, TCORE_HOOK_RETURN_STOP_PROPAGATION);
 327
 328         co_ps = source;
 329         dbg("ps object(%p)", co_ps);
 330         co_context = tcore_ps_ref_context_by_role(co_ps, CONTEXT_ROLE_INTERNET);
 331         con_id = tcore_context_get_id(co_context);
 332         dbg("context(%p) con_id(%d)", co_context, con_id);
 333
 334         cstatus = (struct tnoti_ps_call_status *) data;
 335         dbg("call status event cid(%d) state(%d)", cstatus->context_id, cstatus->state);
 336
 337         if(con_id != cstatus->context_id)
 338                 return TCORE_HOOK_RETURN_CONTINUE;
 339
 340         if (cstatus->state == PS_DATA_CALL_CTX_DEFINED) {
 341                 /* do nothing. */
 342                 dbg("Just noti for PDP define complete, do nothing.");
 343                 return TCORE_HOOK_RETURN_CONTINUE;
 344         }
 345         else if (cstatus->state == PS_DATA_CALL_CONNECTED) {
 346                 indicator_info.active = TRUE;
 347                 indicator_info.devname = tcore_context_get_ipv4_devname(co_context);
 348                 _indicator_start_updater(s);
 349                 return TCORE_HOOK_RETURN_CONTINUE;
 350         }
 351
 352         indicator_info.active = FALSE;
 353         g_free(indicator_info.devname);
 354         indicator_info.devname = NULL;
 355         _indicator_stop_updater(s);
 356
 357         return TCORE_HOOK_RETURN_CONTINUE;
 358 }
 359
 360 static gboolean on_load()
 361 {
 362         dbg("Indicator plugin load!");
 363         return TRUE;
 364 }
 365
 366 static gboolean on_init(TcorePlugin *p)
 367 {
 368         Server *s = NULL;
 369         s = tcore_plugin_ref_server(p);
 370         tcore_server_add_notification_hook(s, TNOTI_MODEM_POWER, __on_hook_powered, NULL);
 371         tcore_server_add_notification_hook(s, TNOTI_PS_CALL_STATUS, __on_hook_callstatus, NULL);
 372         dbg("initialized Indicator plugin!");
 373         return TRUE;
 374 }
 375
 376 static void on_unload(TcorePlugin *p)
 377 {
 378         dbg("i'm unload!");
 379         return;
 380 }
 381
 382 struct tcore_plugin_define_desc plugin_define_desc =
 383 {
 384         .name = "INDICATOR",
 385         .priority = TCORE_PLUGIN_PRIORITY_MID + 2,
 386         .version = 1,
 387         .load = on_load,
 388         .init = on_init,
 389         .unload = on_unload
 390 };