client/monitor.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2012  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  *
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <unistd.h>
  30 #include <string.h>
  31 #include <stdint.h>
  32
  33 #include <glib.h>
  34 #include <gdbus.h>
  35
  36 #include "monitor.h"
  37 #include "services.h"
  38 #include "technology.h"
  39 #include "data_manager.h"
  40
  41 static const char *get_service_name(DBusMessage *message, char *dbus_path)
  42 {
  43         DBusMessageIter iter, array;
  44
  45         dbus_message_iter_init(message, &iter);
  46         dbus_message_iter_recurse(&iter, &array);
  47
  48         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
  49                 DBusMessageIter entry, dict;
  50                 struct service_data service;
  51                 char *path;
  52
  53                 dbus_message_iter_recurse(&array, &entry);
  54                 dbus_message_iter_get_basic(&entry, &path);
  55
  56                 if (g_strcmp0(path, dbus_path) == 0) {
  57                         dbus_message_iter_next(&entry);
  58                         dbus_message_iter_recurse(&entry, &dict);
  59                         extract_service_name(&dict, &service);
  60                         return service.name;
  61                 } else {
  62                         dbus_message_iter_next(&array);
  63                 }
  64         }
  65         return NULL;
  66 }
  67
  68 static void extract_tech_signal(DBusMessage *message)
  69 {
  70         DBusMessageIter iter, dict;
  71         char *path;
  72
  73         dbus_message_iter_init(message, &iter);
  74
  75         if (dbus_message_iter_get_arg_type(&iter) == DBUS_TYPE_OBJECT_PATH) {
  76                 dbus_message_iter_get_basic(&iter, &path);
  77                 printf(" { %s }\n", path);
  78         }
  79         dbus_message_iter_next(&iter);
  80
  81         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_INVALID) {
  82                 dbus_message_iter_recurse(&iter, &dict);
  83                 extract_properties(&dict);
  84         }
  85 }
  86
  87 static void extract_signal_args(DBusMessage *message)
  88 {
  89         DBusMessageIter iter, array, dict;
  90         char *string, *value;
  91         uint16_t key_int;
  92         dbus_bool_t bvalue;
  93
  94         value = NULL;
  95         key_int = 0;
  96
  97         dbus_message_iter_init(message, &iter);
  98
  99         while (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_INVALID) {
 100                 if (dbus_message_iter_get_arg_type(&iter) == DBUS_TYPE_STRING) {
 101                         dbus_message_iter_get_basic(&iter, &string);
 102                         printf("\n[%s] = ",
 103                         string);
 104                 }
 105                 dbus_message_iter_next(&iter);
 106                 if (dbus_message_iter_get_arg_type(&iter) !=
 107                                                         DBUS_TYPE_INVALID) {
 108                         dbus_message_iter_recurse(&iter, &array);
 109                         if (dbus_message_iter_get_arg_type(&array) ==
 110                                                         DBUS_TYPE_STRING) {
 111                                 dbus_message_iter_get_basic(&array, &value);
 112                                 printf("%s\n", value);
 113                                 continue;
 114                         } else if (dbus_message_iter_get_arg_type(&array) ==
 115                                                         DBUS_TYPE_BOOLEAN) {
 116                                 dbus_message_iter_get_basic(&array, &bvalue);
 117                                 printf("%s\n", bvalue == TRUE ?
 118                                                         "True" : "False");
 119                                 continue;
 120                         } else if (dbus_message_iter_get_arg_type(&array) ==
 121                                                         DBUS_TYPE_ARRAY)
 122                                 dbus_message_iter_recurse(&array, &dict);
 123                         if (dbus_message_iter_get_arg_type(&dict) ==
 124                                                 DBUS_TYPE_DICT_ENTRY) {
 125                                 iterate_dict(&dict, value, key_int);
 126                                 printf("\n");
 127                         } else {
 128                                 iterate_array(&array);
 129                                 printf("\n");
 130                         }
 131                         dbus_message_iter_next(&iter);
 132                 }
 133         }
 134 }
 135
 136 int monitor_connman(DBusConnection *connection, char *interface,
 137                                 char *signal_name)
 138 {
 139         char *rule = g_strdup_printf("type='signal',interface='net.connman.%s',"
 140                                         "member='%s'", interface, signal_name);
 141         DBusError err;
 142
 143         dbus_error_init(&err);
 144         g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, &err);
 145         if (dbus_error_is_set(&err)) {
 146                 fprintf(stderr, "Bus setup error:%s\n", err.message);
 147                 return -1;
 148         }
 149         dbus_bus_add_match(connection, rule, &err);
 150
 151         if (dbus_error_is_set(&err)) {
 152                 fprintf(stderr, "Match Error: %s\n", err.message);
 153                 return -1;
 154         }
 155         return 0;
 156 }
 157
 158 DBusHandlerResult service_property_changed(DBusConnection *connection,
 159                                                 DBusMessage *message,
 160                                                 void *user_data)
 161 {
 162         DBusMessage *service_message;
 163         struct service_data service;
 164
 165         if (dbus_message_is_signal(message, "net.connman.Service",
 166                                             "PropertyChanged")) {
 167                 service_message = get_message(connection, "GetServices");
 168                 if (service_message == NULL)
 169                         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 170
 171                 service.name = get_service_name(service_message,
 172                                 (char *) dbus_message_get_path(message));
 173                 printf("\n");
 174                 g_message("Path = %s, Interface = %s\nService = %s",
 175                                 dbus_message_get_path(message),
 176                                 dbus_message_get_interface(message),
 177                                 service.name);
 178                 extract_signal_args(message);
 179
 180                 dbus_message_unref(service_message);
 181         }
 182
 183         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 184 }
 185
 186 DBusHandlerResult tech_property_changed(DBusConnection *connection,
 187                                         DBusMessage *message, void *user_data)
 188 {
 189         if (dbus_message_is_signal(message, "net.connman.Technology",
 190                                             "PropertyChanged")) {
 191                 printf("\n");
 192                 g_message("Path = %s, Interface = %s",
 193                                 dbus_message_get_path(message),
 194                                 dbus_message_get_interface(message));
 195                 extract_signal_args(message);
 196         }
 197         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 198 }
 199
 200 DBusHandlerResult tech_added_removed(DBusConnection *connection,
 201                                         DBusMessage *message, void *user_data)
 202 {
 203         if (dbus_message_is_signal(message, "net.connman.Manager",
 204                                             "TechnologyAdded")) {
 205                 printf("\n");
 206                 g_message("Path = %s, Interface = %s",
 207                                 dbus_message_get_path(message),
 208                                 dbus_message_get_interface(message));
 209                 printf("New technology added:\n");
 210                 extract_tech_signal(message);
 211         } else if (dbus_message_is_signal(message, "net.connman.Manager",
 212                                                    "TechnologyRemoved")) {
 213                 printf("\n");
 214                 g_message("Path = %s, Interface = %s",
 215                                 dbus_message_get_path(message),
 216                                 dbus_message_get_interface(message));
 217                 printf("Technology was removed:\n");
 218                 extract_tech_signal(message);
 219         }
 220
 221         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 222 }
 223
 224 DBusHandlerResult manager_services_changed(DBusConnection *connection,
 225                                 DBusMessage *message, void *user_data)
 226 {
 227         if (dbus_message_is_signal(message, "net.connman.Manager",
 228                                                 "ServicesChanged")) {
 229                 printf("\n");
 230                 g_message("Path = %s, Interface = %s",
 231                                 dbus_message_get_path(message),
 232                                 dbus_message_get_interface(message));
 233                 printf("Services Changed, displaying updated "
 234                                                         "list of services:\n");
 235                 list_properties(connection, "GetServices", NULL);
 236         }
 237
 238         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 239 }
 240
 241 DBusHandlerResult manager_property_changed(DBusConnection *connection,
 242                                 DBusMessage *message, void *user_data)
 243 {
 244         if (dbus_message_is_signal(message, "net.connman.Manager",
 245                                             "PropertyChanged")) {
 246                 printf("\n");
 247                 g_message("Path = %s, Interface = %s",
 248                                 dbus_message_get_path(message),
 249                                 dbus_message_get_interface(message));
 250                 extract_signal_args(message);
 251         }
 252
 253         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 254 }