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         char *res;
 184         gchar buff[INDICATOR_BUFF_SIZE];
 185
 186         pf = fopen(INDICATOR_PROCFILE, "r");
 187         if (pf == NULL) {
 188                 err("indicator fail to open file(%s), errno(%d)", INDICATOR_PROCFILE, errno);
 189                 return FALSE;
 190         }
 191
 192         res = fgets(buff, sizeof(buff), pf);
 193         if (res == NULL)
 194                 err("fegts fails");
 195         res = fgets(buff, sizeof(buff), pf);
 196         if (res == NULL)
 197                 err("fegts fails");
 198         proc_ver = _indicator_get_proc_ver(buff);
 199
 200         while (fgets(buff, sizeof(buff), pf)) {
 201                 gint result = 0;
 202                 guint64 rx_pkt = 0;
 203                 guint64 tx_pkt = 0;
 204                 gchar *ifname, *entry;
 205
 206                 ifname = buff;
 207                 while (*ifname == ' ')
 208                         ifname++;
 209                 entry = strrchr(ifname, ':');
 210                 *entry++ = 0;
 211
 212                 result = _indicator_get_pkt(entry, proc_ver, &rx_pkt, &tx_pkt);
 213                 if (result <= 0) {
 214                         err("stats fail to get proc field");
 215                         fclose(pf);
 216                         return FALSE;
 217                 }
 218
 219                 if ( g_strcmp0(ifname, indicator_info.devname) == 0 ){
 220                         indicator_info.prev_rx = indicator_info.curr_rx;
 221                         indicator_info.prev_tx = indicator_info.curr_tx;
 222                         indicator_info.curr_rx = rx_pkt;
 223                         indicator_info.curr_tx = tx_pkt;
 224                         break;
 225                 }
 226         }
 227
 228         fclose(pf);
 229         return TRUE;
 230 }
 231
 232 static gboolean _indicator_update(Server *s)
 233 {
 234         gint pkt_state = 0;
 235         Storage *strg_vconf;
 236         gpointer vconf_handle;
 237
 238         strg_vconf = tcore_server_find_storage(s, "vconf");
 239         vconf_handle = tcore_storage_create_handle(strg_vconf, "vconf");
 240         if (!vconf_handle)
 241                 err("fail to create vconf db_handle");
 242
 243         pkt_state  = tcore_storage_get_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE);
 244
 245         if(!indicator_info.active) return FALSE;
 246
 247         if ((indicator_info.curr_rx > indicator_info.prev_rx)
 248                         || (indicator_info.curr_tx > indicator_info.prev_tx)) {
 249                 if(pkt_state != INDICATOR_ONLINE)
 250                         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, INDICATOR_ONLINE);
 251         }
 252         else{ //rx, tx are the same as before
 253                 if(pkt_state != INDICATOR_ON)
 254                         tcore_storage_set_int(strg_vconf, STORAGE_KEY_PACKET_SERVICE_STATE, INDICATOR_ON);
 255         }
 256
 257         return TRUE;
 258 }
 259
 260 static gboolean _indicator_update_callback(gpointer user_data)
 261 {
 262         gboolean rv = FALSE;
 263         Server *s = NULL;
 264
 265         s = (Server *)user_data;
 266
 267         rv = _indicator_get_pktcnt(NULL);
 268         if(!rv){
 269                 src = 0;
 270                 return FALSE;
 271         }
 272
 273         rv = _indicator_update(s);
 274         if(!rv){
 275                 src = 0;
 276                 return FALSE;
 277         }
 278
 279         return TRUE;
 280 }
 281
 282 static enum tcore_hook_return __on_hook_powered(Server *s, CoreObject *source,
 283                 enum tcore_notification_command command, unsigned int data_len, void *data, void *user_data)
 284 {
 285         struct tnoti_modem_power *modem_power = NULL;
 286
 287         dbg("powered event called");
 288         g_return_val_if_fail(data != NULL, TCORE_HOOK_RETURN_STOP_PROPAGATION);
 289
 290         modem_power = (struct tnoti_modem_power *)data;
 291         if ( modem_power->state == MODEM_STATE_ERROR ){
 292                 indicator_info.active = FALSE;
 293                 g_free(indicator_info.devname);
 294                 indicator_info.devname = NULL;
 295                 _indicator_stop_updater(s);
 296         }
 297
 298         return TCORE_HOOK_RETURN_CONTINUE;
 299 }
 300
 301 static enum tcore_hook_return __on_hook_callstatus(Server *s, CoreObject *source,
 302                 enum tcore_notification_command command, unsigned int data_len, void *data,
 303                 void *user_data)
 304 {
 305         unsigned int con_id = 0;
 306         CoreObject *co_ps = NULL, *co_context = NULL;
 307         struct tnoti_ps_call_status *cstatus = NULL;
 308
 309         dbg("call status event");
 310         g_return_val_if_fail(data != NULL, TCORE_HOOK_RETURN_STOP_PROPAGATION);
 311
 312         co_ps = source;
 313         dbg("ps object(%p)", co_ps);
 314         co_context = tcore_ps_ref_context_by_role(co_ps, CONTEXT_ROLE_INTERNET);
 315         con_id = tcore_context_get_id(co_context);
 316         dbg("context(%p) con_id(%d)", co_context, con_id);
 317
 318         cstatus = (struct tnoti_ps_call_status *) data;
 319         dbg("call status event cid(%d) state(%d)", cstatus->context_id, cstatus->state);
 320
 321         if(con_id != cstatus->context_id)
 322                 return TCORE_HOOK_RETURN_CONTINUE;
 323
 324         if (cstatus->state == PS_DATA_CALL_CTX_DEFINED) {
 325                 /* do nothing. */
 326                 dbg("Just noti for PDP define complete, do nothing.");
 327                 return TCORE_HOOK_RETURN_CONTINUE;
 328         }
 329         else if (cstatus->state == PS_DATA_CALL_CONNECTED) {
 330                 indicator_info.active = TRUE;
 331                 indicator_info.devname = tcore_context_get_ipv4_devname(co_context);
 332                 _indicator_start_updater(s);
 333                 return TCORE_HOOK_RETURN_CONTINUE;
 334         }
 335
 336         indicator_info.active = FALSE;
 337         g_free(indicator_info.devname);
 338         indicator_info.devname = NULL;
 339         _indicator_stop_updater(s);
 340
 341         return TCORE_HOOK_RETURN_CONTINUE;
 342 }
 343
 344 static gboolean on_load()
 345 {
 346         dbg("Indicator plugin load!");
 347         return TRUE;
 348 }
 349
 350 static gboolean on_init(TcorePlugin *p)
 351 {
 352         Server *s = NULL;
 353         s = tcore_plugin_ref_server(p);
 354         tcore_server_add_notification_hook(s, TNOTI_MODEM_POWER, __on_hook_powered, NULL);
 355         tcore_server_add_notification_hook(s, TNOTI_PS_CALL_STATUS, __on_hook_callstatus, NULL);
 356         dbg("initialized Indicator plugin!");
 357         return TRUE;
 358 }
 359
 360 static void on_unload(TcorePlugin *p)
 361 {
 362         dbg("i'm unload!");
 363         return;
 364 }
 365
 366 struct tcore_plugin_define_desc plugin_define_desc =
 367 {
 368         .name = "INDICATOR",
 369         .priority = TCORE_PLUGIN_PRIORITY_MID + 2,
 370         .version = 1,
 371         .load = on_load,
 372         .init = on_init,
 373         .unload = on_unload
 374 };