src/network-statistics.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <stdio.h>
  21 #include <vconf.h>
  22 #include <vconf-keys.h>
  23
  24 #include "log.h"
  25 #include "util.h"
  26 #include "netsupplicant.h"
  27 #include "network-statistics.h"
  28
  29 #include "generated-code.h"
  30
  31 #define NETCONFIG_PROCDEV                                       "/proc/net/dev"
  32
  33 static Network_statistics *netconfigstatistics = NULL;
  34
  35 gboolean netconfig_wifi_get_bytes_statistics(guint64 *tx, guint64 *rx)
  36 {
  37         gboolean ret = FALSE;
  38         FILE *fp;
  39         gchar buf[1024];
  40         gchar *p_ifname = NULL, *p_entry = NULL;
  41
  42         *tx = 0;
  43         *rx = 0;
  44
  45         fp = fopen(NETCONFIG_PROCDEV, "r");
  46         if (fp == NULL) {
  47                 ERR("Failed to open %s", NETCONFIG_PROCDEV);
  48                 return FALSE;
  49         }
  50
  51         /* skip the first and second line */
  52         if (fgets(buf, sizeof(buf), fp) == NULL ||
  53                         fgets(buf, sizeof(buf), fp) == NULL)
  54                 goto endline;
  55
  56         while (fgets(buf, sizeof(buf), fp)) {
  57                 long long unsigned int llval;
  58                 gulong lval;
  59
  60                 p_ifname = buf;
  61                 while (*p_ifname == ' ') p_ifname++;
  62                 p_entry = strchr(p_ifname, ':');
  63                 if (p_entry != NULL) {
  64                         *p_entry++ = '\0';
  65
  66                 if (g_strcmp0(p_ifname, WIFI_IFNAME) != 0)
  67                         continue;
  68
  69                 /* read interface statistics */
  70                 sscanf(p_entry,
  71                                 "%llu %llu %lu %lu %lu %lu %lu %lu "
  72                                 "%llu %llu %lu %lu %lu %lu %lu %lu",
  73                                 (long long unsigned int *)rx, /* rx bytes */
  74                                 &llval,         /* rx packet */
  75                                 &lval,          /* rx errors */
  76                                 &lval,          /* rx dropped */
  77                                 &lval,          /* rx fifo errors */
  78                                 &lval,          /* rx frame errors */
  79                                 &lval,          /* rx compressed */
  80                                 &lval,          /* rx multicast */
  81
  82                                 (long long unsigned int *)tx, /* tx bytes */
  83                                 &llval,         /* tx packet */
  84                                 &lval,          /* tx errors */
  85                                 &lval,          /* tx dropped */
  86                                 &lval,          /* tx fifo errors */
  87                                 &lval,          /* collisions */
  88                                 &lval,          /* tx carrier errors */
  89                                 &lval           /* tx compressed */
  90                                 );
  91                 } else {
  92                         ERR("No matched Iface name in proc file");
  93                 }
  94                 ret = TRUE;
  95                 break;
  96         }
  97
  98 endline:
  99         fclose(fp);
 100         return ret;
 101 }
 102
 103 static gboolean handle_get_wifi_total_tx_bytes(
 104                 Network_statistics *object,
 105                 GDBusMethodInvocation *context)
 106 {
 107         guint64 tx = 0, rx = 0;
 108         guint64 tx_bytes = 0;
 109         guint64 total_bytes = 0;
 110         int val = 0;
 111
 112         netconfig_vconf_get_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_SNT, &val);
 113         tx_bytes = (guint64)val;
 114
 115         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE)
 116                 total_bytes = tx + tx_bytes;
 117         else
 118                 total_bytes = tx_bytes;
 119
 120         network_statistics_complete_get_wifi_total_tx_bytes(object, context, total_bytes);
 121         return TRUE;
 122 }
 123
 124 static gboolean handle_get_wifi_total_rx_bytes(
 125                 Network_statistics *object,
 126                 GDBusMethodInvocation *context)
 127 {
 128         guint64 tx = 0, rx = 0;
 129         guint64 rx_bytes = 0;
 130         guint64 total_bytes = 0;
 131         int val = 0;
 132
 133         netconfig_vconf_get_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_RCV, &val);
 134         rx_bytes = (guint64)val;
 135
 136         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE)
 137                 total_bytes = rx + rx_bytes;
 138         else
 139                 total_bytes = rx_bytes;
 140
 141         network_statistics_complete_get_wifi_total_rx_bytes(object, context, total_bytes);
 142         return TRUE;
 143 }
 144
 145 static gboolean handle_get_wifi_last_tx_bytes(
 146                 Network_statistics *object,
 147                 GDBusMethodInvocation *context)
 148 {
 149         guint64 tx = 0, rx = 0;
 150         guint64 tx_bytes = 0;
 151         guint64 last_bytes = 0;
 152         int val = 0;
 153
 154         netconfig_vconf_get_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_SNT, &val);
 155         tx_bytes = (guint64)val;
 156
 157         if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 158                 last_bytes = tx_bytes;
 159                 network_statistics_complete_get_wifi_last_tx_bytes(object, context, last_bytes);
 160                 return TRUE;
 161         }
 162
 163         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE)
 164                 last_bytes = tx < tx_bytes ? 0 : tx - tx_bytes;
 165         else
 166                 last_bytes = tx_bytes;
 167
 168         network_statistics_complete_get_wifi_last_tx_bytes(object, context, last_bytes);
 169         return TRUE;
 170 }
 171
 172 static gboolean handle_get_wifi_last_rx_bytes(
 173                 Network_statistics *object,
 174                 GDBusMethodInvocation *context)
 175 {
 176         guint64 tx = 0, rx = 0;
 177         guint64 rx_bytes = 0;
 178         guint64 last_bytes = 0;
 179         int val = 0;
 180
 181         netconfig_vconf_get_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_RCV, &val);
 182         rx_bytes = (guint64)val;
 183
 184         if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 185                 last_bytes = rx_bytes;
 186                 network_statistics_complete_get_wifi_last_rx_bytes(object, context, last_bytes);
 187                 return TRUE;
 188         }
 189
 190         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE)
 191                 last_bytes = rx < rx_bytes ? 0 : rx - rx_bytes;
 192         else
 193                 last_bytes = rx_bytes;
 194
 195         network_statistics_complete_get_wifi_last_rx_bytes(object, context, last_bytes);
 196         return TRUE;
 197 }
 198
 199 static gboolean handle_reset_cellular_total_tx_bytes(
 200                 Network_statistics *object,
 201                 GDBusMethodInvocation *context)
 202 {
 203         netconfig_set_vconf_int(VCONFKEY_NETWORK_CELLULAR_PKT_TOTAL_SNT, 0);
 204         network_statistics_complete_reset_cellular_total_tx_bytes(object, context);
 205         return TRUE;
 206 }
 207
 208 static gboolean handle_reset_cellular_total_rx_bytes(
 209                 Network_statistics *object,
 210                 GDBusMethodInvocation *context)
 211 {
 212         netconfig_set_vconf_int(VCONFKEY_NETWORK_CELLULAR_PKT_TOTAL_RCV, 0);
 213         network_statistics_complete_reset_cellular_total_rx_bytes(object, context);
 214         return TRUE;
 215 }
 216
 217 static gboolean handle_reset_cellular_last_tx_bytes(
 218                 Network_statistics *object,
 219                 GDBusMethodInvocation *context)
 220 {
 221         netconfig_set_vconf_int(VCONFKEY_NETWORK_CELLULAR_PKT_LAST_SNT, 0);
 222         network_statistics_complete_reset_cellular_last_tx_bytes(object, context);
 223         return TRUE;
 224 }
 225
 226 static gboolean handle_reset_cellular_last_rx_bytes(
 227                 Network_statistics *object,
 228                 GDBusMethodInvocation *context)
 229 {
 230         netconfig_set_vconf_int(VCONFKEY_NETWORK_CELLULAR_PKT_LAST_RCV, 0);
 231         network_statistics_complete_reset_cellular_last_rx_bytes(object, context);
 232         return TRUE;
 233 }
 234
 235 static gboolean handle_reset_wifi_total_tx_bytes(
 236                 Network_statistics *object,
 237                 GDBusMethodInvocation *context)
 238 {
 239         guint64 tx = 0, rx = 0;
 240
 241         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE)
 242                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_SNT, -(int)tx);
 243         else
 244                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_SNT, 0);
 245
 246         network_statistics_complete_reset_wifi_total_tx_bytes(object, context);
 247
 248         return TRUE;
 249 }
 250
 251 static gboolean handle_reset_wifi_total_rx_bytes(
 252                 Network_statistics *object,
 253                 GDBusMethodInvocation *context)
 254 {
 255         guint64 tx = 0, rx = 0;
 256
 257         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE)
 258                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_RCV, -(int)rx);
 259         else
 260                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_RCV, 0);
 261
 262         network_statistics_complete_reset_wifi_total_rx_bytes(object, context);
 263         return TRUE;
 264 }
 265
 266 static gboolean handle_reset_wifi_last_tx_bytes(
 267                 Network_statistics *object,
 268                 GDBusMethodInvocation *context)
 269 {
 270         guint64 tx = 0, rx = 0;
 271
 272         if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 273                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_SNT, 0);
 274                 network_statistics_complete_reset_wifi_last_tx_bytes(object, context);
 275                 return TRUE;
 276         }
 277
 278         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE)
 279                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_SNT, (int)tx);
 280         else
 281                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_SNT, 0);
 282
 283         network_statistics_complete_reset_wifi_last_tx_bytes(object, context);
 284
 285         return TRUE;
 286 }
 287
 288 static gboolean handle_reset_wifi_last_rx_bytes(
 289                 Network_statistics *object,
 290                 GDBusMethodInvocation *context)
 291 {
 292         guint64 tx = 0, rx = 0;
 293
 294         if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 295                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_RCV, 0);
 296                 network_statistics_complete_reset_wifi_last_rx_bytes(object, context);
 297                 return TRUE;
 298         }
 299
 300         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE)
 301                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_RCV, (int)rx);
 302         else
 303                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_RCV, 0);
 304
 305         network_statistics_complete_reset_wifi_last_rx_bytes(object, context);
 306
 307         return TRUE;
 308 }
 309
 310 void netconfig_wifi_statistics_update_powered_off(void)
 311 {
 312         guint64 cur_tx = 0, cur_rx = 0;
 313         guint64 prev_tx = 0, prev_rx = 0;
 314         guint64 total_tx = 0, total_rx = 0;
 315         int val = 0;
 316
 317         if (netconfig_wifi_get_bytes_statistics(&cur_tx, &cur_rx) != TRUE)
 318                 return;
 319
 320         netconfig_vconf_get_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_SNT, &val);
 321         prev_tx = (guint64)val;
 322
 323         netconfig_vconf_get_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_RCV, &val);
 324         prev_rx = (guint64)val;
 325
 326         total_tx = prev_tx + cur_tx;
 327         total_rx = prev_rx + cur_rx;
 328
 329         netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_SNT, (int)total_tx);
 330         netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_TOTAL_RCV, (int)total_rx);
 331 }
 332
 333 static void wifi_statistics_update_state(wifi_service_state_e state, void *user_data)
 334 {
 335         guint64 tx = 0, rx = 0;
 336         guint64 last_tx = 0, last_rx = 0;
 337         int val = 0;
 338         static wifi_service_state_e prev_state = NETCONFIG_WIFI_UNKNOWN;
 339
 340         if (prev_state == NETCONFIG_WIFI_UNKNOWN) {
 341                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_SNT, 0);
 342                 netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_RCV, 0);
 343
 344                 prev_state = NETCONFIG_WIFI_IDLE;
 345                 return;
 346         }
 347
 348         if (netconfig_wifi_get_bytes_statistics(&tx, &rx) != TRUE)
 349                 return;
 350
 351         if (state == NETCONFIG_WIFI_CONNECTED) {
 352                 last_tx = tx;
 353                 last_rx = rx;
 354         } else {
 355                 if (prev_state != NETCONFIG_WIFI_CONNECTED)
 356                         return;
 357
 358                 netconfig_vconf_get_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_SNT, &val);
 359                 last_tx = (guint64)val;
 360
 361                 netconfig_vconf_get_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_RCV, &val);
 362                 last_rx = (guint64)val;
 363
 364                 last_tx = tx < last_tx ? 0 : tx - last_tx;
 365                 last_rx = rx < last_rx ? 0 : rx - last_rx;
 366         }
 367
 368         netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_SNT, (int)last_tx);
 369         netconfig_set_vconf_int(VCONFKEY_NETWORK_WIFI_PKT_LAST_RCV, (int)last_rx);
 370
 371         prev_state = state;
 372 }
 373
 374 static wifi_state_notifier state_notifier = {
 375                 .wifi_state_changed = wifi_statistics_update_state,
 376                 .user_data = NULL,
 377 };
 378
 379 void statistics_object_create_and_init(void)
 380 {
 381         DBG("Creating statistics object");
 382         GDBusInterfaceSkeleton *interface_statistics = NULL;
 383         GDBusConnection *connection = NULL;
 384         GDBusObjectManagerServer *server = netdbus_get_statistics_manager();
 385         if (server == NULL)
 386                 return;
 387
 388         connection = netdbus_get_connection();
 389         g_dbus_object_manager_server_set_connection(server, connection);
 390
 391         /*Interface netconfig.network_statistics*/
 392         netconfigstatistics = network_statistics_skeleton_new();
 393
 394         interface_statistics = G_DBUS_INTERFACE_SKELETON(netconfigstatistics);
 395         g_signal_connect(netconfigstatistics, "handle-get-wifi-last-rx-bytes",
 396                                 G_CALLBACK(handle_get_wifi_last_rx_bytes), NULL);
 397         g_signal_connect(netconfigstatistics, "handle-get-wifi-last-tx-bytes",
 398                                 G_CALLBACK(handle_get_wifi_last_tx_bytes), NULL);
 399         g_signal_connect(netconfigstatistics, "handle-get-wifi-total-rx-bytes",
 400                                 G_CALLBACK(handle_get_wifi_total_rx_bytes), NULL);
 401         g_signal_connect(netconfigstatistics, "handle-get-wifi-total-tx-bytes",
 402                                 G_CALLBACK(handle_get_wifi_total_tx_bytes), NULL);
 403         g_signal_connect(netconfigstatistics, "handle-reset-cellular-last-rx-bytes",
 404                                 G_CALLBACK(handle_reset_cellular_last_rx_bytes), NULL);
 405         g_signal_connect(netconfigstatistics, "handle-reset-cellular-last-tx-bytes",
 406                                 G_CALLBACK(handle_reset_cellular_last_tx_bytes), NULL);
 407         g_signal_connect(netconfigstatistics, "handle-reset-cellular-total-rx-bytes",
 408                                 G_CALLBACK(handle_reset_cellular_total_rx_bytes), NULL);
 409         g_signal_connect(netconfigstatistics, "handle-reset-cellular-total-tx-bytes",
 410                                 G_CALLBACK(handle_reset_cellular_total_tx_bytes), NULL);
 411         g_signal_connect(netconfigstatistics, "handle-reset-wifi-last-rx-bytes",
 412                                 G_CALLBACK(handle_reset_wifi_last_rx_bytes), NULL);
 413         g_signal_connect(netconfigstatistics, "handle-reset-wifi-last-tx-bytes",
 414                                 G_CALLBACK(handle_reset_wifi_last_tx_bytes), NULL);
 415         g_signal_connect(netconfigstatistics, "handle-reset-wifi-total-rx-bytes",
 416                                 G_CALLBACK(handle_reset_wifi_total_rx_bytes), NULL);
 417         g_signal_connect(netconfigstatistics, "handle-reset-wifi-total-tx-bytes",
 418                                 G_CALLBACK(handle_reset_wifi_total_tx_bytes), NULL);
 419
 420         if (!g_dbus_interface_skeleton_export(interface_statistics, connection,
 421                         NETCONFIG_NETWORK_STATISTICS_PATH, NULL)) {
 422                 ERR("Export with path failed");
 423         }
 424
 425         wifi_statistics_update_state(NETCONFIG_WIFI_IDLE, NULL);
 426         wifi_state_notifier_register(&state_notifier);
 427
 428         return;
 429 }
 430
 431 void statistics_object_deinit(void)
 432 {
 433         g_object_unref(netconfigstatistics);
 434 }