client/main.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2012  Intel Corporation. All rights reserved.
   6  *
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License version 2 as
  10  *  published by the Free Software Foundation.
  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 <getopt.h>
  31 #include <string.h>
  32 #include <errno.h>
  33 #include <readline/readline.h>
  34
  35 #include <glib.h>
  36 #include <gdbus.h>
  37
  38 #include "data_manager.h"
  39 #include "services.h"
  40 #include "technology.h"
  41 #include "interactive.h"
  42
  43 static GMainLoop *main_loop;
  44 DBusConnection *connection;
  45
  46 static gboolean timeout_wait(gpointer data)
  47 {
  48         static int i;
  49         i++;
  50         /* Set to whatever number of retries is wanted/needed */
  51         if (i == 1) {
  52                 g_main_loop_quit(data);
  53                 return FALSE;
  54         }
  55         return TRUE;
  56 }
  57
  58 static void rl_handler(char *input)
  59 {
  60
  61         if (input == NULL)
  62                 exit(EXIT_FAILURE);
  63         else
  64                 printf("Use ctrl-d to exit\n");
  65 }
  66
  67 static gboolean readmonitor(GIOChannel *channel, GIOCondition condition,
  68                                                 gpointer user_data){
  69         rl_callback_read_char();
  70         return TRUE;
  71 }
  72
  73 int main(int argc, char *argv[])
  74 {
  75         DBusError err;
  76         int events, error;
  77         GIOChannel *gchan;
  78         main_loop = g_main_loop_new(NULL, FALSE);
  79
  80         dbus_error_init(&err);
  81
  82         connection = g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, &err);
  83
  84         if (dbus_error_is_set(&err)) {
  85                 fprintf(stderr, "Connection Error: %s\n", err.message);
  86                 dbus_error_free(&err);
  87         }
  88
  89         if (connection == NULL) {
  90                 fprintf(stderr, "Could not connect to system bus...exiting\n");
  91                 exit(EXIT_FAILURE);
  92         }
  93
  94         if (argc < 2)
  95                 show_interactive(connection, main_loop);
  96
  97         error = commands(connection, argv + 1, argc -1);
  98
  99         if (error == -1) {
 100                 char *help = "help";
 101
 102                 printf("Usage: connmanctl [[command] [args]]\n");
 103                 commands(connection, &help, 1);
 104                 printf("\nNote: arguments and output are considered "
 105                                 "EXPERIMENTAL for now.\n\n");
 106                 return -EINVAL;
 107         }
 108
 109         if (error < 0)
 110                 return error;
 111
 112         gchan = g_io_channel_unix_new(fileno(stdin));
 113         events = G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL;
 114         g_io_add_watch(gchan, events, readmonitor, NULL);
 115         rl_callback_handler_install("", rl_handler);
 116
 117         if (strcmp(argv[1], "monitor") != 0)
 118                 g_timeout_add_full(G_PRIORITY_DEFAULT, 100, timeout_wait,
 119                                                                main_loop, NULL);
 120         g_main_loop_run(main_loop);
 121         rl_callback_handler_remove();
 122         g_io_channel_unref(gchan);
 123         if (main_loop != NULL)
 124                 g_main_loop_unref(main_loop);
 125         return 0;
 126 }