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