/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-print-message.h Utility function to print out a message
*
* Copyright (C) 2003 Philip Blundell <philb@gnu.org>
* Copyright (C) 2003 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <config.h>
#include "dbus-print-message.h"
#include <stdlib.h>
#include "config.h"
static const char*
type_to_name (int message_type)
{
switch (message_type)
{
case DBUS_MESSAGE_TYPE_SIGNAL:
return "signal";
case DBUS_MESSAGE_TYPE_METHOD_CALL:
return "method call";
case DBUS_MESSAGE_TYPE_METHOD_RETURN:
return "method return";
case DBUS_MESSAGE_TYPE_ERROR:
return "error";
default:
return "(unknown message type)";
}
}
#define INDENT 3
static void
indent (int depth)
{
while (depth-- > 0)
printf (" "); /* INDENT spaces. */
}
static void
print_hex (unsigned char *bytes, unsigned int len, int depth)
{
unsigned int i, columns;
printf ("array of bytes [\n");
indent (depth + 1);
/* Each byte takes 3 cells (two hexits, and a space), except the last one. */
columns = (80 - ((depth + 1) * INDENT)) / 3;
if (columns < 8)
columns = 8;
i = 0;
while (i < len)
{
printf ("%02x", bytes[i]);
i++;
if (i != len)
{
if (i % columns == 0)
{
printf ("\n");
indent (depth + 1);
}
else
{
printf (" ");
}
}
}
printf ("\n");
indent (depth);
printf ("]\n");
}
#define DEFAULT_SIZE 100
static void
print_ay (DBusMessageIter *iter, int depth)
{
/* Not using DBusString because it's not public API. It's 2009, and I'm
* manually growing a string chunk by chunk.
*/
unsigned char *bytes = malloc (DEFAULT_SIZE + 1);
unsigned int len = 0;
unsigned int max = DEFAULT_SIZE;
dbus_bool_t all_ascii = TRUE;
int current_type;
while ((current_type = dbus_message_iter_get_arg_type (iter))
!= DBUS_TYPE_INVALID)
{
unsigned char val;
dbus_message_iter_get_basic (iter, &val);
bytes[len] = val;
len++;
if (val < 32 || val > 126)
all_ascii = FALSE;
if (len == max)
{
max *= 2;
bytes = realloc (bytes, max + 1);
}
dbus_message_iter_next (iter);
}
if (all_ascii)
{
bytes[len] = '\0';
printf ("array of bytes \"%s\"\n", bytes);
}
else
{
print_hex (bytes, len, depth);
}
free (bytes);
}
static void
print_iter (DBusMessageIter *iter, dbus_bool_t literal, int depth)
{
do
{
int type = dbus_message_iter_get_arg_type (iter);
if (type == DBUS_TYPE_INVALID)
break;
indent(depth);
switch (type)
{
case DBUS_TYPE_STRING:
{
char *val;
dbus_message_iter_get_basic (iter, &val);
if (!literal)
printf ("string \"");
printf ("%s", val);
if (!literal)
printf ("\"\n");
break;
}
case DBUS_TYPE_SIGNATURE:
{
char *val;
dbus_message_iter_get_basic (iter, &val);
if (!literal)
printf ("signature \"");
printf ("%s", val);
if (!literal)
printf ("\"\n");
break;
}
case DBUS_TYPE_OBJECT_PATH:
{
char *val;
dbus_message_iter_get_basic (iter, &val);
if (!literal)
printf ("object path \"");
printf ("%s", val);
if (!literal)
printf ("\"\n");
break;
}
case DBUS_TYPE_INT16:
{
dbus_int16_t val;
dbus_message_iter_get_basic (iter, &val);
printf ("int16 %d\n", val);
break;
}
case DBUS_TYPE_UINT16:
{
dbus_uint16_t val;
dbus_message_iter_get_basic (iter, &val);
printf ("uint16 %u\n", val);
break;
}
case DBUS_TYPE_INT32:
{
dbus_int32_t val;
dbus_message_iter_get_basic (iter, &val);
printf ("int32 %d\n", val);
break;
}
case DBUS_TYPE_UINT32:
{
dbus_uint32_t val;
dbus_message_iter_get_basic (iter, &val);
printf ("uint32 %u\n", val);
break;
}
case DBUS_TYPE_INT64:
{
dbus_int64_t val;
dbus_message_iter_get_basic (iter, &val);
#ifdef DBUS_INT64_PRINTF_MODIFIER
printf ("int64 %" DBUS_INT64_PRINTF_MODIFIER "d\n", val);
#else
printf ("int64 (omitted)\n");
#endif
break;
}
case DBUS_TYPE_UINT64:
{
dbus_uint64_t val;
dbus_message_iter_get_basic (iter, &val);
#ifdef DBUS_INT64_PRINTF_MODIFIER
printf ("uint64 %" DBUS_INT64_PRINTF_MODIFIER "u\n", val);
#else
printf ("uint64 (omitted)\n");
#endif
break;
}
case DBUS_TYPE_DOUBLE:
{
double val;
dbus_message_iter_get_basic (iter, &val);
printf ("double %g\n", val);
break;
}
case DBUS_TYPE_BYTE:
{
unsigned char val;
dbus_message_iter_get_basic (iter, &val);
printf ("byte %d\n", val);
break;
}
case DBUS_TYPE_BOOLEAN:
{
dbus_bool_t val;
dbus_message_iter_get_basic (iter, &val);
printf ("boolean %s\n", val ? "true" : "false");
break;
}
case DBUS_TYPE_VARIANT:
{
DBusMessageIter subiter;
dbus_message_iter_recurse (iter, &subiter);
printf ("variant ");
print_iter (&subiter, literal, depth+1);
break;
}
case DBUS_TYPE_ARRAY:
{
int current_type;
DBusMessageIter subiter;
dbus_message_iter_recurse (iter, &subiter);
current_type = dbus_message_iter_get_arg_type (&subiter);
if (current_type == DBUS_TYPE_BYTE)
{
print_ay (&subiter, depth);
break;
}
printf("array [\n");
while (current_type != DBUS_TYPE_INVALID)
{
print_iter (&subiter, literal, depth+1);
dbus_message_iter_next (&subiter);
current_type = dbus_message_iter_get_arg_type (&subiter);
if (current_type != DBUS_TYPE_INVALID)
printf (",");
}
indent(depth);
printf("]\n");
break;
}
case DBUS_TYPE_DICT_ENTRY:
{
DBusMessageIter subiter;
dbus_message_iter_recurse (iter, &subiter);
printf("dict entry(\n");
print_iter (&subiter, literal, depth+1);
dbus_message_iter_next (&subiter);
print_iter (&subiter, literal, depth+1);
indent(depth);
printf(")\n");
break;
}
case DBUS_TYPE_STRUCT:
{
int current_type;
DBusMessageIter subiter;
dbus_message_iter_recurse (iter, &subiter);
printf("struct {\n");
while ((current_type = dbus_message_iter_get_arg_type (&subiter)) != DBUS_TYPE_INVALID)
{
print_iter (&subiter, literal, depth+1);
dbus_message_iter_next (&subiter);
if (dbus_message_iter_get_arg_type (&subiter) != DBUS_TYPE_INVALID)
printf (",");
}
indent(depth);
printf("}\n");
break;
}
default:
printf (" (dbus-monitor too dumb to decipher arg type '%c')\n", type);
break;
}
} while (dbus_message_iter_next (iter));
}
void
print_message (DBusMessage *message, dbus_bool_t literal)
{
DBusMessageIter iter;
const char *sender;
const char *destination;
int message_type;
message_type = dbus_message_get_type (message);
sender = dbus_message_get_sender (message);
destination = dbus_message_get_destination (message);
if (!literal)
{
printf ("%s sender=%s -> dest=%s",
type_to_name (message_type),
sender ? sender : "(null sender)",
destination ? destination : "(null destination)");
switch (message_type)
{
case DBUS_MESSAGE_TYPE_METHOD_CALL:
case DBUS_MESSAGE_TYPE_SIGNAL:
printf (" serial=%u path=%s; interface=%s; member=%s\n",
dbus_message_get_serial (message),
dbus_message_get_path (message),
dbus_message_get_interface (message),
dbus_message_get_member (message));
break;
case DBUS_MESSAGE_TYPE_METHOD_RETURN:
printf (" reply_serial=%u\n",
dbus_message_get_reply_serial (message));
break;
case DBUS_MESSAGE_TYPE_ERROR:
printf (" error_name=%s reply_serial=%u\n",
dbus_message_get_error_name (message),
dbus_message_get_reply_serial (message));
break;
default:
printf ("\n");
break;
}
}
dbus_message_iter_init (message, &iter);
print_iter (&iter, literal, 1);
fflush (stdout);
}