dbus-send.c revision fc5e3a06cf4876fb10d0205a626e51109f29eb82 
1/* -*- mode: C; c-file-style: "gnu" -*- */
2/* dbus-send.c  Utility program to send messages from the command line
3 *
4 * Copyright (C) 2003 Philip Blundell <philb@gnu.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 *
20 */
21
22#include <stdio.h>
23#include <stdlib.h>
24#include <string.h>
25
26#include <dbus/dbus.h>
27
28#include "dbus-print-message.h"
29
30static void
31usage (char *name, int ecode)
32{
33  fprintf (stderr, "Usage: %s [--help] [--session] [--dest=SERVICE] [--print-reply] <message type> [contents ...]\n", name);
34  exit (ecode);
35}
36
37int
38main (int argc, char *argv[])
39{
40  DBusConnection *connection;
41  DBusError error;
42  DBusMessage *message;
43  int print_reply;
44  DBusMessageIter iter;
45  int i;
46  DBusBusType type = DBUS_BUS_SESSION;
47  char *dest = DBUS_SERVICE_BROADCAST;
48  char *name = NULL;
49
50  if (argc < 2)
51    usage (argv[0], 1);
52
53  print_reply = FALSE;
54
55  for (i = 1; i < argc && name == NULL; i++)
56    {
57      char *arg = argv[i];
58
59      if (strcmp (arg, "--system") == 0)
60	type = DBUS_BUS_SYSTEM;
61      else if (strcmp (arg, "--print-reply") == 0)
62        print_reply = TRUE;
63      else if (strstr (arg, "--dest=") == arg)
64	dest = strchr (arg, '=') + 1;
65      else if (!strcmp(arg, "--help"))
66	usage (argv[0], 0);
67      else if (arg[0] == '-')
68	usage (argv[0], 1);
69      else
70	name = arg;
71    }
72
73  if (name == NULL)
74    usage (argv[0], 1);
75
76  dbus_error_init (&error);
77  connection = dbus_bus_get (type, &error);
78  if (connection == NULL)
79    {
80      fprintf (stderr, "Failed to open connection to %s message bus: %s\n",
81	       (type == DBUS_BUS_SYSTEM) ? "system" : "session",
82               error.message);
83      dbus_error_free (&error);
84      exit (1);
85    }
86
87  message = dbus_message_new (name, dest);
88  if (message == NULL)
89    {
90      fprintf (stderr, "Couldn't allocate D-BUS message\n");
91      exit (1);
92    }
93
94  dbus_message_append_iter_init (message, &iter);
95
96  while (i < argc)
97    {
98      char *arg;
99      char *c;
100      int type;
101      dbus_uint32_t uint32;
102      dbus_int32_t int32;
103      double d;
104      unsigned char byte;
105
106      type = DBUS_TYPE_INVALID;
107      arg = argv[i++];
108      c = strchr (arg, ':');
109
110      if (c == NULL)
111	{
112	  fprintf (stderr, "%s: Data item \"%s\" is badly formed\n", argv[0], arg);
113	  exit (1);
114	}
115
116      *(c++) = 0;
117
118      if (arg[0] == 0 || !strcmp (arg, "string"))
119	type = DBUS_TYPE_STRING;
120      else if (!strcmp (arg, "int32"))
121	type = DBUS_TYPE_INT32;
122      else if (!strcmp (arg, "uint32"))
123	type = DBUS_TYPE_UINT32;
124      else if (!strcmp (arg, "double"))
125	type = DBUS_TYPE_DOUBLE;
126      else if (!strcmp (arg, "byte"))
127	type = DBUS_TYPE_BYTE;
128      else if (!strcmp (arg, "boolean"))
129	type = DBUS_TYPE_BOOLEAN;
130      else
131	{
132	  fprintf (stderr, "%s: Unknown type \"%s\"\n", argv[0], arg);
133	  exit (1);
134	}
135
136      switch (type)
137	{
138	case DBUS_TYPE_BYTE:
139	  byte = strtoul (c, NULL, 0);
140	  dbus_message_iter_append_byte (&iter, byte);
141	  break;
142
143	case DBUS_TYPE_DOUBLE:
144	  d = strtod (c, NULL);
145	  dbus_message_iter_append_double (&iter, d);
146	  break;
147
148	case DBUS_TYPE_INT32:
149	  int32 = strtol (c, NULL, 0);
150	  dbus_message_iter_append_int32 (&iter, int32);
151	  break;
152
153	case DBUS_TYPE_UINT32:
154	  uint32 = strtoul (c, NULL, 0);
155	  dbus_message_iter_append_uint32 (&iter, uint32);
156	  break;
157
158	case DBUS_TYPE_STRING:
159	  dbus_message_iter_append_string (&iter, c);
160	  break;
161
162	default:
163	  fprintf (stderr, "%s: Unsupported data type\n", argv[0]);
164	  exit (1);
165	}
166    }
167
168  if (print_reply)
169    {
170      DBusMessage *reply;
171
172      dbus_error_init (&error);
173      reply = dbus_connection_send_with_reply_and_block (connection,
174                                                         message, -1,
175                                                         &error);
176      if (dbus_error_is_set (&error))
177        {
178          fprintf (stderr, "Error: %s\n",
179                   error.message);
180          exit (1);
181        }
182
183      if (reply)
184        {
185          print_message (reply);
186          dbus_message_unref (reply);
187        }
188    }
189  else
190    {
191      dbus_connection_send (connection, message, NULL);
192      dbus_connection_flush (connection);
193    }
194
195  dbus_message_unref (message);
196
197  dbus_connection_disconnect (connection);
198
199  exit (0);
200}
201