435 lines
10 KiB
C
435 lines
10 KiB
C
/***************************************************************************
|
|
|
|
dbus_print_message.c
|
|
|
|
(c) 2000-2017 Benoît Minisini <gambas@users.sourceforge.net>
|
|
|
|
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, 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.
|
|
|
|
***************************************************************************/
|
|
|
|
/* -*- 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 "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)
|
|
fprintf(stderr, " "); /* INDENT spaces. */
|
|
}
|
|
|
|
static void
|
|
print_hex (unsigned char *bytes, unsigned int len, int depth)
|
|
{
|
|
int i, columns;
|
|
|
|
fprintf(stderr, "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)
|
|
{
|
|
fprintf(stderr, "%02x", bytes[i]);
|
|
i++;
|
|
|
|
if (i != len)
|
|
{
|
|
if (i % columns == 0)
|
|
{
|
|
fprintf(stderr, "\n");
|
|
indent (depth + 1);
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, " ");
|
|
}
|
|
}
|
|
}
|
|
|
|
fprintf(stderr, "\n");
|
|
indent (depth);
|
|
fprintf(stderr, "]\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 char *new_bytes;
|
|
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;
|
|
new_bytes = realloc (bytes, max + 1);
|
|
if (!new_bytes)
|
|
break;
|
|
bytes = new_bytes;
|
|
}
|
|
|
|
dbus_message_iter_next (iter);
|
|
}
|
|
|
|
if (all_ascii)
|
|
{
|
|
bytes[len] = '\0';
|
|
fprintf(stderr, "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)
|
|
fprintf(stderr, "string \"");
|
|
fprintf(stderr, "%s", val);
|
|
if (!literal)
|
|
fprintf(stderr, "\"\n");
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_SIGNATURE:
|
|
{
|
|
char *val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
if (!literal)
|
|
fprintf(stderr, "signature \"");
|
|
fprintf(stderr, "%s", val);
|
|
if (!literal)
|
|
fprintf(stderr, "\"\n");
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_OBJECT_PATH:
|
|
{
|
|
char *val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
if (!literal)
|
|
fprintf(stderr, "object path \"");
|
|
fprintf(stderr, "%s", val);
|
|
if (!literal)
|
|
fprintf(stderr, "\"\n");
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_INT16:
|
|
{
|
|
dbus_int16_t val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
fprintf(stderr, "int16 %d\n", val);
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_UINT16:
|
|
{
|
|
dbus_uint16_t val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
fprintf(stderr, "uint16 %u\n", val);
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_INT32:
|
|
{
|
|
dbus_int32_t val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
fprintf(stderr, "int32 %d\n", val);
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_UINT32:
|
|
{
|
|
dbus_uint32_t val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
fprintf(stderr, "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
|
|
fprintf(stderr, "int64 %" DBUS_INT64_PRINTF_MODIFIER "d\n", val);
|
|
#else
|
|
fprintf(stderr, "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
|
|
fprintf(stderr, "uint64 %" DBUS_INT64_PRINTF_MODIFIER "u\n", val);
|
|
#else
|
|
fprintf(stderr, "uint64 (omitted)\n");
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_DOUBLE:
|
|
{
|
|
double val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
fprintf(stderr, "double %g\n", val);
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_BYTE:
|
|
{
|
|
unsigned char val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
fprintf(stderr, "byte %d\n", val);
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_BOOLEAN:
|
|
{
|
|
dbus_bool_t val;
|
|
dbus_message_iter_get_basic (iter, &val);
|
|
fprintf(stderr, "boolean %s\n", val ? "true" : "false");
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_VARIANT:
|
|
{
|
|
DBusMessageIter subiter;
|
|
|
|
dbus_message_iter_recurse (iter, &subiter);
|
|
|
|
fprintf(stderr, "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;
|
|
}
|
|
|
|
fprintf(stderr, "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)
|
|
fprintf(stderr, ",");
|
|
}
|
|
indent(depth);
|
|
fprintf(stderr, "]\n");
|
|
break;
|
|
}
|
|
case DBUS_TYPE_DICT_ENTRY:
|
|
{
|
|
DBusMessageIter subiter;
|
|
|
|
dbus_message_iter_recurse (iter, &subiter);
|
|
|
|
fprintf(stderr, "dict entry(\n");
|
|
print_iter (&subiter, literal, depth+1);
|
|
dbus_message_iter_next (&subiter);
|
|
print_iter (&subiter, literal, depth+1);
|
|
indent(depth);
|
|
fprintf(stderr, ")\n");
|
|
break;
|
|
}
|
|
|
|
case DBUS_TYPE_STRUCT:
|
|
{
|
|
int current_type;
|
|
DBusMessageIter subiter;
|
|
|
|
dbus_message_iter_recurse (iter, &subiter);
|
|
|
|
fprintf(stderr, "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)
|
|
fprintf(stderr, ",");
|
|
}
|
|
indent(depth);
|
|
fprintf(stderr, "}\n");
|
|
break;
|
|
}
|
|
|
|
default:
|
|
fprintf(stderr, " (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)
|
|
{
|
|
fprintf(stderr, "%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:
|
|
fprintf(stderr, " 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:
|
|
fprintf(stderr, " reply_serial=%u\n",
|
|
dbus_message_get_reply_serial (message));
|
|
break;
|
|
|
|
case DBUS_MESSAGE_TYPE_ERROR:
|
|
fprintf(stderr, " error_name=%s reply_serial=%u\n",
|
|
dbus_message_get_error_name (message),
|
|
dbus_message_get_reply_serial (message));
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr, "\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
dbus_message_iter_init (message, &iter);
|
|
print_iter (&iter, literal, 1);
|
|
fflush (stdout);
|
|
|
|
}
|
|
|