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