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 DATABASE_PATH           "/opt/dbspace/.dnet.db"
  39 #define NO_RX_PKT_TIMEOUT       30
  40 //enum
  41
  42 typedef enum _cellular_state {
  43         CELLULAR_OFF = 0x00,
  44         CELLULAR_NORMAL_CONNECTED = 0x01,
  45         CELLULAR_SECURE_CONNECTED = 0x02,
  46         CELLULAR_USING = 0x03,
  47 } cellular_state;
  48
  49 typedef enum _indicator_state {
  50         INDICATOR_NORMAL = 0x00,
  51         INDICATOR_RX = 0x01,
  52         INDICATOR_TX = 0x02,
  53         INDICATOR_RXTX = 0x03,
  54 } indicator_state;
  55
  56 struct indicator_device_state {
  57         gchar *devname;
  58         gboolean active;
  59         guint64 prev_rx;
  60         guint64 prev_tx;
  61         guint64 curr_rx;
  62         guint64 curr_tx;
  63 };
  64
  65 //global variable
  66 static struct  indicator_device_state indicator_info = {
  67         NULL,FALSE,0,0,0,0
  68 };
  69
  70 static GSource* src;
  71 static gboolean _indicator_update_callback(gpointer user_data);
  72
  73 static void _indicator_initialize(Server *s)
  74 {
  75         indicator_info.prev_rx = 0;
  76         indicator_info.prev_tx = 0;
  77         indicator_info.curr_rx = 0;
  78         indicator_info.curr_tx = 0;
  79 }
  80
  81 static gboolean _indicator_start_updater(Server *s)
  82 {
  83         Storage *strg_vconf;
  84         gpointer vconf_handle;
  85
  86         dbg("indicator is started");
  87
  88         strg_vconf = tcore_server_find_storage(s, "vconf");
  89         vconf_handle = tcore_storage_create_handle(strg_vconf, "vconf");
  90         if (!vconf_handle)
  91                 err("fail to create vconf db_handle");
  92
  93         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, CELLULAR_NORMAL_CONNECTED);
  94         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_NORMAL);
  95
  96         if(src != 0)
  97                 return FALSE;
  98
  99         _indicator_initialize(s);
 100
 101         src = g_timeout_source_new_seconds(INDICATOR_UPDATE_INTERVAL);
 102         g_source_set_callback(src, _indicator_update_callback, s, NULL);
 103         g_source_set_priority(src, G_PRIORITY_HIGH);
 104         g_source_attach(src, NULL);
 105         g_source_unref(src);
 106
 107         return TRUE;
 108 }
 109
 110 static gboolean _indicator_stop_updater(Server *s)
 111 {
 112         Storage *strg_vconf;
 113         gpointer vconf_handle;
 114         int t_rx = 0, t_tx = 0;
 115
 116         dbg("indicator is stopped");
 117         strg_vconf = tcore_server_find_storage(s, "vconf");
 118         vconf_handle = tcore_storage_create_handle(strg_vconf, "vconf");
 119         if (!vconf_handle)
 120                 err("fail to create vconf db_handle");
 121
 122         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, CELLULAR_OFF);
 123         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_NORMAL);
 124
 125         t_rx = tcore_storage_get_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_TOTAL_RCV);
 126         t_tx = tcore_storage_get_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_TOTAL_SNT);
 127         t_rx += (int)indicator_info.curr_rx;
 128         t_tx += (int)indicator_info.curr_tx;
 129
 130         tcore_storage_set_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_TOTAL_RCV, t_rx);
 131         tcore_storage_set_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_TOTAL_SNT, t_tx);
 132         tcore_storage_set_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_LAST_RCV, (int)indicator_info.curr_rx);
 133         tcore_storage_set_int(strg_vconf, STORAGE_KEY_CELLULAR_PKT_LAST_SNT, (int)indicator_info.curr_tx);
 134
 135         if(src == 0)
 136                 return TRUE;
 137
 138         g_source_destroy(src);
 139         src = 0;
 140
 141         return TRUE;
 142 }
 143
 144 static gint _indicator_get_proc_ver(gchar *buff)
 145 {
 146         if (strstr(buff, "compressed")) return 3;
 147         if (strstr(buff, "bytes")) return 2;
 148         return 1;
 149 }
 150
 151 static gint _indicator_get_pkt(gchar *buff, gint proc_ver, guint64 *rx_pkt, guint64 *tx_pkt)
 152 {
 153         gint result = -1;
 154         gchar s_rx[100];
 155         gchar s_tx[100];
 156
 157         memset(s_rx, 0 , 100);
 158         memset(s_tx, 0 , 100);
 159
 160         if (buff == NULL)
 161                 return result;
 162
 163         switch (proc_ver) {
 164         case 3:
 165                 result = sscanf(buff,
 166                                 "%s %*s %*s %*s %*s %*s %*s %*s %s %*s %*s %*s %*s %*s %*s %*s",
 167                                 s_rx, s_tx);
 168                 break;
 169         case 2:
 170                 result = sscanf(buff,
 171                                 "%s %*s %*s %*s %*s %*s %*s %*s %s %*s %*s %*s %*s %*s %*s %*s",
 172                                 s_rx, s_tx);
 173                 break;
 174         case 1:
 175                 result = sscanf(buff,
 176                                 "%s %*s %*s %*s %*s %*s %*s %*s %s %*s %*s %*s %*s %*s %*s %*s",
 177                                 s_rx, s_tx);
 178                 break;
 179         default:
 180                 dbg("stats unknown version");
 181                 break;
 182         }
 183
 184         *rx_pkt = g_ascii_strtoull(s_rx, NULL, 10);
 185         *tx_pkt = g_ascii_strtoull(s_tx, NULL, 10);
 186
 187         return result;
 188 }
 189
 190 static gboolean _indicator_get_pktcnt(gpointer user_data)
 191 {
 192         FILE *pf = NULL;
 193         gint proc_ver = 0;
 194         char *res;
 195         gchar buff[INDICATOR_BUFF_SIZE];
 196
 197         pf = fopen(INDICATOR_PROCFILE, "r");
 198         if (pf == NULL) {
 199                 err("indicator fail to open file(%s), errno(%d)", INDICATOR_PROCFILE, errno);
 200                 return FALSE;
 201         }
 202
 203         res = fgets(buff, sizeof(buff), pf);
 204         if (res == NULL)
 205                 err("fegts fails");
 206         res = fgets(buff, sizeof(buff), pf);
 207         if (res == NULL)
 208                 err("fegts fails");
 209         proc_ver = _indicator_get_proc_ver(buff);
 210
 211         while (fgets(buff, sizeof(buff), pf)) {
 212                 gint result = 0;
 213                 guint64 rx_pkt = 0;
 214                 guint64 tx_pkt = 0;
 215                 gchar *ifname, *entry;
 216
 217                 ifname = buff;
 218                 while (*ifname == ' ')
 219                         ifname++;
 220                 entry = strrchr(ifname, ':');
 221                 *entry++ = 0;
 222
 223                 result = _indicator_get_pkt(entry, proc_ver, &rx_pkt, &tx_pkt);
 224                 if (result <= 0) {
 225                         err("stats fail to get proc field");
 226                         fclose(pf);
 227                         return FALSE;
 228                 }
 229
 230                 if ( g_strcmp0(ifname, indicator_info.devname) == 0 ){
 231                         indicator_info.prev_rx = indicator_info.curr_rx;
 232                         indicator_info.prev_tx = indicator_info.curr_tx;
 233                         indicator_info.curr_rx = rx_pkt;
 234                         indicator_info.curr_tx = tx_pkt;
 235                         break;
 236                 }
 237         }
 238
 239         fclose(pf);
 240         return TRUE;
 241 }
 242
 243 static gboolean _indicator_update(Server *s)
 244 {
 245         guint64 rx_changes = 0;
 246         guint64 tx_changes = 0;
 247         Storage *strg_vconf;
 248         gpointer vconf_handle;
 249
 250         strg_vconf = tcore_server_find_storage(s, "vconf");
 251         vconf_handle = tcore_storage_create_handle(strg_vconf, "vconf");
 252         if (!vconf_handle)
 253                 err("fail to create vconf db_handle");
 254
 255         if(!indicator_info.active) return FALSE;
 256
 257         rx_changes = indicator_info.curr_rx - indicator_info.prev_rx;
 258         tx_changes = indicator_info.curr_tx - indicator_info.prev_tx;
 259
 260         if (rx_changes != 0 || tx_changes != 0)
 261                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, CELLULAR_USING);
 262         else
 263                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, CELLULAR_NORMAL_CONNECTED);
 264
 265         if (rx_changes > 0 && tx_changes > 0)
 266                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_RXTX);
 267         else if (rx_changes > 0 && tx_changes == 0)
 268                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_RX);
 269         else if (rx_changes == 0 && tx_changes > 0)
 270                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_TX);
 271         else
 272                 tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_INDICATOR_STATE, INDICATOR_NORMAL);
 273
 274         return TRUE;
 275 }
 276
 277 static gboolean _indicator_update_callback(gpointer user_data)
 278 {
 279         gboolean rv = FALSE;
 280         Server *s = NULL;
 281
 282         s = (Server *)user_data;
 283
 284         rv = _indicator_get_pktcnt(NULL);
 285         if(!rv){
 286                 src = 0;
 287                 return FALSE;
 288         }
 289
 290         rv = _indicator_update(s);
 291         if(!rv){
 292                 src = 0;
 293                 return FALSE;
 294         }
 295
 296         return TRUE;
 297 }
 298
 299 static enum tcore_hook_return __on_hook_powered(Server *s, CoreObject *source,
 300                 enum tcore_notification_command command, unsigned int data_len, void *data, void *user_data)
 301 {
 302         struct tnoti_modem_power *modem_power = NULL;
 303
 304         dbg("powered event called");
 305         g_return_val_if_fail(data != NULL, TCORE_HOOK_RETURN_STOP_PROPAGATION);
 306
 307         modem_power = (struct tnoti_modem_power *)data;
 308         if ( modem_power->state == MODEM_STATE_ERROR ){
 309                 indicator_info.active = FALSE;
 310                 g_free(indicator_info.devname);
 311                 indicator_info.devname = NULL;
 312                 _indicator_stop_updater(s);
 313         }
 314
 315         return TCORE_HOOK_RETURN_CONTINUE;
 316 }
 317
 318 static enum tcore_hook_return __on_hook_callstatus(Server *s, CoreObject *source,
 319                 enum tcore_notification_command command, unsigned int data_len, void *data,
 320                 void *user_data)
 321 {
 322         unsigned int con_id = 0;
 323         CoreObject *co_ps = NULL, *co_context = NULL;
 324         struct tnoti_ps_call_status *cstatus = NULL;
 325
 326         dbg("call status event");
 327         g_return_val_if_fail(data != NULL, TCORE_HOOK_RETURN_STOP_PROPAGATION);
 328
 329         co_ps = source;
 330         dbg("ps object(%p)", co_ps);
 331         co_context = tcore_ps_ref_context_by_role(co_ps, CONTEXT_ROLE_INTERNET);
 332         con_id = tcore_context_get_id(co_context);
 333         dbg("context(%p) con_id(%d)", co_context, con_id);
 334
 335         cstatus = (struct tnoti_ps_call_status *) data;
 336         dbg("call status event cid(%d) state(%d)", cstatus->context_id, cstatus->state);
 337
 338         if(con_id != cstatus->context_id)
 339                 return TCORE_HOOK_RETURN_CONTINUE;
 340
 341         if (cstatus->state == PS_DATA_CALL_CTX_DEFINED) {
 342                 /* do nothing. */
 343                 dbg("Just noti for PDP define complete, do nothing.");
 344                 return TCORE_HOOK_RETURN_CONTINUE;
 345         }
 346         else if (cstatus->state == PS_DATA_CALL_CONNECTED) {
 347                 indicator_info.active = TRUE;
 348                 indicator_info.devname = tcore_context_get_ipv4_devname(co_context);
 349                 _indicator_start_updater(s);
 350                 return TCORE_HOOK_RETURN_CONTINUE;
 351         }
 352
 353         indicator_info.active = FALSE;
 354         g_free(indicator_info.devname);
 355         indicator_info.devname = NULL;
 356         _indicator_stop_updater(s);
 357
 358         return TCORE_HOOK_RETURN_CONTINUE;
 359 }
 360
 361 static gboolean on_load()
 362 {
 363         dbg("Indicator plugin load!");
 364         return TRUE;
 365 }
 366
 367 static gboolean on_init(TcorePlugin *p)
 368 {
 369         Server *s = NULL;
 370         s = tcore_plugin_ref_server(p);
 371         tcore_server_add_notification_hook(s, TNOTI_MODEM_POWER, __on_hook_powered, NULL);
 372         tcore_server_add_notification_hook(s, TNOTI_PS_CALL_STATUS, __on_hook_callstatus, NULL);
 373         dbg("initialized Indicator plugin!");
 374         return TRUE;
 375 }
 376
 377 static void on_unload(TcorePlugin *p)
 378 {
 379         dbg("i'm unload!");
 380         return;
 381 }
 382
 383 struct tcore_plugin_define_desc plugin_define_desc =
 384 {
 385         .name = "INDICATOR",
 386         .priority = TCORE_PLUGIN_PRIORITY_MID + 2,
 387         .version = 1,
 388         .load = on_load,
 389         .init = on_init,
 390         .unload = on_unload
 391 };