client/technology.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 <stdint.h>
  30 #include <string.h>
  31 #include <errno.h>
  32
  33 #include <glib.h>
  34
  35 #include "technology.h"
  36 #include "dbus.h"
  37
  38 void extract_properties(DBusMessageIter *dict)
  39 {
  40         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
  41                 DBusMessageIter entry, value;
  42                 const char *key, *sdata;
  43                 dbus_bool_t bdata;
  44
  45                 dbus_message_iter_recurse(dict, &entry);
  46                 dbus_message_iter_get_basic(&entry, &key);
  47                 printf("  [%s] = ", key);
  48
  49                 dbus_message_iter_next(&entry);
  50
  51                 dbus_message_iter_recurse(&entry, &value);
  52
  53                 if (dbus_message_iter_get_arg_type(&value) ==
  54                                                         DBUS_TYPE_BOOLEAN) {
  55                         dbus_message_iter_get_basic(&value, &bdata);
  56                         printf("%s\n", bdata ? "True" : "False");
  57                 } else if (dbus_message_iter_get_arg_type(&value) ==
  58                                                         DBUS_TYPE_STRING) {
  59                         dbus_message_iter_get_basic(&value, &sdata);
  60                         printf("%s\n", sdata);
  61                 }
  62                 dbus_message_iter_next(dict);
  63         }
  64 }
  65
  66 void match_tech_name(DBusMessage *message, char *tech_name,
  67                                                 struct tech_data *tech)
  68 {
  69         DBusMessageIter iter, array;
  70
  71         dbus_message_iter_init(message, &iter);
  72         dbus_message_iter_recurse(&iter, &array);
  73         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
  74                 DBusMessageIter entry;
  75                 const char *path;
  76                 const char *name;
  77
  78                 dbus_message_iter_recurse(&array, &entry);
  79                 dbus_message_iter_get_basic(&entry, &path);
  80                 tech->path = g_strdup(path);
  81                 name = strrchr(path, '/') + 1;
  82                 tech->name = g_strdup(name);
  83                 if (g_strcmp0(tech_name, tech->name) == 0) {
  84                         printf("    %-20s { %s } exists\n", tech->name,
  85                                                                 tech->path);
  86                         break;
  87                 } else
  88                         dbus_message_iter_next(&array);
  89         }
  90
  91 }
  92
  93 void extract_tech(DBusMessage *message)
  94 {
  95         DBusMessageIter iter, array;
  96
  97         dbus_message_iter_init(message, &iter);
  98         dbus_message_iter_recurse(&iter, &array);
  99         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 100                 DBusMessageIter entry, dict;
 101
 102                 const char *path;
 103
 104                 dbus_message_iter_recurse(&array, &entry);
 105                 dbus_message_iter_get_basic(&entry, &path);
 106
 107                 printf("{ %s }\n", path);
 108
 109                 dbus_message_iter_next(&entry);
 110
 111                 dbus_message_iter_recurse(&entry, &dict);
 112                 extract_properties(&dict);
 113
 114                 dbus_message_iter_next(&array);
 115         }
 116 }
 117
 118 int scan_technology(DBusConnection *connection, DBusMessage *message,
 119                                                                 char *tech)
 120 {
 121         DBusMessage *message_send;
 122         struct tech_data technology;
 123         DBusError err;
 124
 125         match_tech_name(message, tech, &technology);
 126         if (g_strcmp0(tech, technology.name) != 0) {
 127                 fprintf(stderr, "%s does not exist on the system\n", tech);
 128                 fprintf(stderr, "Use the 'tech' command to find available "
 129                                         "technologies on your system.\n");
 130                 return -ENXIO;
 131         }
 132
 133         message_send = dbus_message_new_method_call("net.connman",
 134                                                 technology.path,
 135                                                 "net.connman.Technology",
 136                                                 "Scan");
 137         if (message_send == NULL)
 138                 return -ENOMEM;
 139
 140         dbus_error_init(&err);
 141         dbus_connection_send_with_reply_and_block(connection, message_send, -1,
 142                                                                         &err);
 143
 144         if (dbus_error_is_set(&err)) {
 145                 printf("Scan failed; error: '%s'\n", err.message);
 146                 return -EINVAL;
 147         }
 148
 149         dbus_message_unref(message_send);
 150         printf("Scanned for new services on %s.\n", technology.name);
 151         g_free(technology.name);
 152         g_free(technology.path);
 153
 154         return 0;
 155 }
 156
 157 int set_technology(DBusConnection *connection, DBusMessage *message, char *key,
 158                                                 char *tech, dbus_bool_t value)
 159 {
 160         DBusMessage *message_send;
 161         DBusMessageIter iter;
 162         struct tech_data technology;
 163
 164         match_tech_name(message, tech, &technology);
 165         if (g_strcmp0(tech, technology.name) != 0) {
 166                 fprintf(stderr, "%s does not exist on the system\n", tech);
 167                 fprintf(stderr, "Use the 'tech' command to find available "
 168                                         "technologies on your system.\n");
 169                 return -ENXIO;
 170         }
 171
 172         message_send = dbus_message_new_method_call("net.connman",
 173                                                         technology.path,
 174                                                         "net.connman.Technology",
 175                                                         "SetProperty");
 176         if (message_send == NULL)
 177                 return -ENOMEM;
 178
 179         dbus_message_iter_init_append(message_send, &iter);
 180         dbus_property_append_basic(&iter, (const char *) key,
 181                                                 DBUS_TYPE_BOOLEAN, &value);
 182         dbus_connection_send(connection, message_send, NULL);
 183         dbus_connection_flush(connection);
 184         dbus_message_unref(message_send);
 185         g_free(technology.name);
 186         g_free(technology.path);
 187
 188         return 0;
 189 }