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