client/main.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <stdio.h>
  27 #include <errno.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include <dbus/dbus.h>
  32
  33 #define CONNMAN_SERVICE                 "net.connman"
  34
  35 #define CONNMAN_MANAGER_INTERFACE       CONNMAN_SERVICE ".Manager"
  36 #define CONNMAN_MANAGER_PATH            "/"
  37
  38 struct service_data {
  39         const char *path;
  40         const char *name;
  41         dbus_bool_t favorite;
  42 };
  43
  44 static DBusMessage *get_services(DBusConnection *connection)
  45 {
  46         DBusMessage *message, *reply;
  47         DBusError error;
  48
  49         message = dbus_message_new_method_call(CONNMAN_SERVICE,
  50                                                 CONNMAN_MANAGER_PATH,
  51                                                 CONNMAN_MANAGER_INTERFACE,
  52                                                         "GetServices");
  53         if (message == NULL)
  54                 return NULL;
  55
  56         dbus_error_init(&error);
  57
  58         reply = dbus_connection_send_with_reply_and_block(connection,
  59                                                         message, -1, &error);
  60         if (reply == NULL) {
  61                 if (dbus_error_is_set(&error) == TRUE) {
  62                         fprintf(stderr, "%s\n", error.message);
  63                         dbus_error_free(&error);
  64                 } else
  65                         fprintf(stderr, "Failed to get properties\n");
  66                 dbus_message_unref(message);
  67                 return NULL;
  68         }
  69
  70         dbus_message_unref(message);
  71
  72         return reply;
  73 }
  74
  75 static DBusMessage *lookup_service(DBusConnection *connection,
  76                                                         const char *pattern)
  77 {
  78         DBusMessage *message, *reply;
  79         DBusError error;
  80
  81         message = dbus_message_new_method_call(CONNMAN_SERVICE,
  82                                                 CONNMAN_MANAGER_PATH,
  83                                                 CONNMAN_MANAGER_INTERFACE,
  84                                                         "LookupService");
  85         if (message == NULL)
  86                 return NULL;
  87
  88         dbus_message_append_args(message, DBUS_TYPE_STRING, &pattern,
  89                                                         DBUS_TYPE_INVALID);
  90
  91         dbus_error_init(&error);
  92
  93         reply = dbus_connection_send_with_reply_and_block(connection,
  94                                                         message, -1, &error);
  95         if (reply == NULL) {
  96                 if (dbus_error_is_set(&error) == TRUE) {
  97                         fprintf(stderr, "%s\n", error.message);
  98                         dbus_error_free(&error);
  99                 } else
 100                         fprintf(stderr, "Failed to get properties\n");
 101                 dbus_message_unref(message);
 102                 return NULL;
 103         }
 104
 105         dbus_message_unref(message);
 106
 107         return reply;
 108 }
 109
 110 static void extract_properties(DBusMessageIter *dict,
 111                                         struct service_data *service)
 112 {
 113         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 114                 DBusMessageIter entry, value;
 115                 const char *key;
 116
 117                 dbus_message_iter_recurse(dict, &entry);
 118                 dbus_message_iter_get_basic(&entry, &key);
 119
 120                 dbus_message_iter_next(&entry);
 121
 122                 dbus_message_iter_recurse(&entry, &value);
 123
 124                 //type = dbus_message_iter_get_arg_type(&value);
 125                 //dbus_message_iter_get_basic(&value, &val);
 126
 127                 if (strcmp(key, "Name") == 0)
 128                         dbus_message_iter_get_basic(&value, &service->name);
 129                 else if (strcmp(key, "Favorite") == 0)
 130                         dbus_message_iter_get_basic(&value, &service->favorite);
 131
 132                 dbus_message_iter_next(dict);
 133         }
 134 }
 135
 136 static void extract_services(DBusMessage *message)
 137 {
 138         DBusMessageIter iter, array;
 139
 140         dbus_message_iter_init(message, &iter);
 141         dbus_message_iter_recurse(&iter, &array);
 142
 143         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 144                 DBusMessageIter entry, dict;
 145                 struct service_data service;
 146                 const char *path;
 147
 148                 dbus_message_iter_recurse(&array, &entry);
 149                 dbus_message_iter_get_basic(&entry, &path);
 150
 151                 service.path = strrchr(path, '/') + 1;
 152
 153                 dbus_message_iter_next(&entry);
 154
 155                 dbus_message_iter_recurse(&entry, &dict);
 156                 extract_properties(&dict, &service);
 157
 158                 printf("%c %-20s { %-50s }\n",
 159                                 service.favorite == TRUE ? '*' : ' ',
 160                                                 service.name, service.path);
 161
 162                 dbus_message_iter_next(&array);
 163         }
 164 }
 165
 166 static int cmd_list_services(DBusConnection *connection)
 167 {
 168         DBusMessage *message;
 169
 170         message = get_services(connection);
 171         if (message == NULL)
 172                 return -1;
 173
 174         extract_services(message);
 175
 176         dbus_message_unref(message);
 177
 178         return 0;
 179 }
 180
 181 static int cmd_show_service(DBusConnection *connection, const char *pattern)
 182 {
 183         DBusMessage *message;
 184         const char *path;
 185
 186         message = lookup_service(connection, pattern);
 187         if (message == NULL)
 188                 return -1;
 189
 190         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 191                                                         DBUS_TYPE_INVALID);
 192
 193         printf("Service: %s\n", path);
 194
 195         dbus_message_unref(message);
 196
 197         return 0;
 198 }
 199
 200 static void usage(const char *program)
 201 {
 202         printf("ConnMan utility ver %s\n\n", VERSION);
 203
 204         printf("Usage:\n"
 205                 "\t%s <command> [options]\n\n", program);
 206
 207         printf("Commands:\n"
 208                 "\thelp\n"
 209                 "\tlist\n"
 210                 "\tshow <service>\n"
 211                 "\n");
 212 }
 213
 214 int main(int argc, char *argv[])
 215 {
 216         DBusConnection *conn;
 217
 218         if (argc > 1 && strcmp(argv[1], "help") == 0) {
 219                 usage(argv[0]);
 220                 exit(0);
 221         }
 222
 223         conn = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
 224         if (!conn) {
 225                 fprintf(stderr, "Can't get on system bus\n");
 226                 exit(1);
 227         }
 228
 229         if (argc > 1) {
 230                 if (strcmp(argv[1], "list") == 0)
 231                         cmd_list_services(conn);
 232                 else if (strcmp(argv[1], "show") == 0) {
 233                         if (argc > 2)
 234                                 cmd_show_service(conn, argv[2]);
 235                         else
 236                                 usage(argv[0]);
 237                 }
 238         } else
 239                 usage(argv[0]);
 240
 241         dbus_connection_unref(conn);
 242
 243         return 0;
 244 }