* Copyright (C) 2002, 2003 Red Hat Inc.
* Copyright (C) 2002, 2003 CodeFactory AB
*
- * Licensed under the Academic Free License version 1.2
+ * Licensed under the Academic Free License version 2.0
*
* 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
#include "dbus-memory.h"
#include "dbus-list.h"
#include "dbus-message-builder.h"
+#include "dbus-dataslot.h"
#include <string.h>
/**
* @{
*/
-enum
-{
- FIELD_HEADER_LENGTH,
- FIELD_BODY_LENGTH,
- FIELD_CLIENT_SERIAL,
- FIELD_NAME,
- FIELD_SERVICE,
- FIELD_SENDER,
- FIELD_REPLY_SERIAL,
-
- FIELD_LAST
-};
-
-static dbus_bool_t field_is_named[FIELD_LAST] =
-{
- FALSE, /* FIELD_HEADER_LENGTH */
- FALSE, /* FIELD_BODY_LENGTH */
- FALSE, /* FIELD_CLIENT_SERIAL */
- TRUE, /* FIELD_NAME */
- TRUE, /* FIELD_SERVICE */
- TRUE, /* FIELD_SENDER */
- TRUE /* FIELD_REPLY_SERIAL */
-};
-
+/**
+ * Cached information about a header field in the message
+ */
typedef struct
{
- int offset; /**< Offset to start of field (location of name of field
- * for named fields)
- */
+ int name_offset; /**< Offset to name of field */
+ int value_offset; /**< Offset to value of field */
} HeaderField;
+/** Offset to byte order from start of header */
+#define BYTE_ORDER_OFFSET 0
+/** Offset to type from start of header */
+#define TYPE_OFFSET 1
+/** Offset to flags from start of header */
+#define FLAGS_OFFSET 2
+/** Offset to version from start of header */
+#define VERSION_OFFSET 3
+/** Offset to header length from start of header */
+#define HEADER_LENGTH_OFFSET 4
+/** Offset to body length from start of header */
+#define BODY_LENGTH_OFFSET 8
+/** Offset to client serial from start of header */
+#define CLIENT_SERIAL_OFFSET 12
+
+
/**
* @brief Internals of DBusMessage
*
* independently realloc it.
*/
- HeaderField header_fields[FIELD_LAST]; /**< Track the location
- * of each field in "header"
- */
+ HeaderField header_fields[DBUS_HEADER_FIELD_LAST + 1]; /**< Track the location
+ * of each field in "header"
+ */
dbus_uint32_t client_serial; /**< Cached client serial value for speed */
dbus_uint32_t reply_serial; /**< Cached reply serial value for speed */
dbus_uint32_t changed_stamp; /**< Incremented when iterators are invalidated. */
unsigned int locked : 1; /**< Message being sent, no modifications allowed. */
+
+ DBusDataSlotList slot_list; /**< Data stored by allocated integer ID */
+
+ DBusString signature; /**< Signature */
};
enum {
return TRUE;
}
-static void
-adjust_field_offsets (DBusMessage *message,
- int offsets_after,
- int delta)
-{
- int i;
-
- if (delta == 0)
- return;
-
- i = 0;
- while (i < FIELD_LAST)
- {
- if (message->header_fields[i].offset > offsets_after)
- message->header_fields[i].offset += delta;
-
- ++i;
- }
-}
-
#ifdef DBUS_BUILD_TESTS
/* tests-only until it's actually used */
static dbus_int32_t
{
int offset;
- _dbus_assert (field < FIELD_LAST);
+ _dbus_assert (field <= DBUS_HEADER_FIELD_LAST);
- offset = message->header_fields[field].offset;
+ offset = message->header_fields[field].value_offset;
if (offset < 0)
return -1; /* useless if -1 is a valid value of course */
{
int offset;
- _dbus_assert (field < FIELD_LAST);
+ _dbus_assert (field <= DBUS_HEADER_FIELD_LAST);
- offset = message->header_fields[field].offset;
+ offset = message->header_fields[field].value_offset;
if (offset < 0)
- return -1; /* useless if -1 is a valid value of course */
+ return 0; /* useless if 0 is a valid value of course */
return _dbus_demarshal_uint32 (&message->header,
message->byte_order,
int offset;
const char *data;
- offset = message->header_fields[field].offset;
+ offset = message->header_fields[field].value_offset;
- _dbus_assert (field < FIELD_LAST);
+ _dbus_assert (field <= DBUS_HEADER_FIELD_LAST);
if (offset < 0)
return NULL;
return data + (offset + 4);
}
+/* returns FALSE if no memory, TRUE with NULL path if no field */
+static dbus_bool_t
+get_path_field_decomposed (DBusMessage *message,
+ int field,
+ char ***path)
+{
+ int offset;
+
+ offset = message->header_fields[field].value_offset;
+
+ _dbus_assert (field <= DBUS_HEADER_FIELD_LAST);
+
+ if (offset < 0)
+ {
+ *path = NULL;
+ return TRUE;
+ }
+
+ return _dbus_demarshal_object_path (&message->header,
+ message->byte_order,
+ offset,
+ NULL,
+ path, NULL);
+}
+
#ifdef DBUS_BUILD_TESTS
static dbus_bool_t
append_int_field (DBusMessage *message,
int field,
- const char *name,
int value)
{
- int orig_len;
-
_dbus_assert (!message->locked);
clear_header_padding (message);
- orig_len = _dbus_string_get_length (&message->header);
-
- if (!_dbus_string_align_length (&message->header, 4))
- goto failed;
+ message->header_fields[field].name_offset =
+ _dbus_string_get_length (&message->header);
- if (!_dbus_string_append_len (&message->header, name, 4))
+ if (!_dbus_string_append_byte (&message->header, field))
goto failed;
if (!_dbus_string_append_byte (&message->header, DBUS_TYPE_INT32))
if (!_dbus_string_align_length (&message->header, 4))
goto failed;
- message->header_fields[FIELD_REPLY_SERIAL].offset =
+ message->header_fields[field].value_offset =
_dbus_string_get_length (&message->header);
if (!_dbus_marshal_int32 (&message->header, message->byte_order,
return TRUE;
failed:
- message->header_fields[field].offset = -1;
- _dbus_string_set_length (&message->header, orig_len);
+ _dbus_string_set_length (&message->header,
+ message->header_fields[field].name_offset);
+ message->header_fields[field].name_offset = -1;
+ message->header_fields[field].value_offset = -1;
/* this must succeed because it was allocated on function entry and
* DBusString doesn't ever realloc smaller
static dbus_bool_t
append_uint_field (DBusMessage *message,
int field,
- const char *name,
- int value)
+ int value)
{
- int orig_len;
-
_dbus_assert (!message->locked);
clear_header_padding (message);
- orig_len = _dbus_string_get_length (&message->header);
-
- if (!_dbus_string_align_length (&message->header, 4))
- goto failed;
+ message->header_fields[field].name_offset =
+ _dbus_string_get_length (&message->header);
- if (!_dbus_string_append_len (&message->header, name, 4))
+ if (!_dbus_string_append_byte (&message->header, field))
goto failed;
if (!_dbus_string_append_byte (&message->header, DBUS_TYPE_UINT32))
if (!_dbus_string_align_length (&message->header, 4))
goto failed;
- message->header_fields[FIELD_REPLY_SERIAL].offset =
+ message->header_fields[field].value_offset =
_dbus_string_get_length (&message->header);
if (!_dbus_marshal_uint32 (&message->header, message->byte_order,
return TRUE;
failed:
- message->header_fields[field].offset = -1;
- _dbus_string_set_length (&message->header, orig_len);
+ _dbus_string_set_length (&message->header,
+ message->header_fields[field].name_offset);
+ message->header_fields[field].name_offset = -1;
+ message->header_fields[field].value_offset = -1;
/* this must succeed because it was allocated on function entry and
* DBusString doesn't ever realloc smaller
return FALSE;
}
+#define MAX_BYTES_OVERHEAD_TO_APPEND_A_STRING (1 + 1 + 3 + 1 + 8)
static dbus_bool_t
append_string_field (DBusMessage *message,
int field,
- const char *name,
+ int type,
const char *value)
{
- int orig_len;
-
_dbus_assert (!message->locked);
clear_header_padding (message);
- orig_len = _dbus_string_get_length (&message->header);
-
- if (!_dbus_string_align_length (&message->header, 4))
- goto failed;
+ message->header_fields[field].name_offset =
+ _dbus_string_get_length (&message->header);
- if (!_dbus_string_append_len (&message->header, name, 4))
+ if (!_dbus_string_append_byte (&message->header, field))
goto failed;
- if (!_dbus_string_append_byte (&message->header, DBUS_TYPE_STRING))
+ if (!_dbus_string_append_byte (&message->header, type))
goto failed;
if (!_dbus_string_align_length (&message->header, 4))
goto failed;
- message->header_fields[field].offset =
+ message->header_fields[field].value_offset =
_dbus_string_get_length (&message->header);
if (!_dbus_marshal_string (&message->header, message->byte_order,
return TRUE;
failed:
- message->header_fields[field].offset = -1;
- _dbus_string_set_length (&message->header, orig_len);
+ _dbus_string_set_length (&message->header,
+ message->header_fields[field].name_offset);
+ message->header_fields[field].name_offset = -1;
+ message->header_fields[field].value_offset = -1;
/* this must succeed because it was allocated on function entry and
* DBusString doesn't ever realloc smaller
return FALSE;
}
-#ifdef DBUS_BUILD_TESTS
-/* This isn't used, but building it when tests are enabled just to
- * keep it compiling if we need it in future
- */
-static void
-delete_int_or_uint_field (DBusMessage *message,
- int field)
+static int
+get_type_alignment (int type)
{
- int offset = message->header_fields[field].offset;
+ int alignment;
+
+ switch (type)
+ {
+ case DBUS_TYPE_NIL:
+ case DBUS_TYPE_BYTE:
+ case DBUS_TYPE_BOOLEAN:
+ alignment = 0;
+ break;
- _dbus_assert (!message->locked);
- _dbus_assert (field_is_named[field]);
+ case DBUS_TYPE_INT32:
+ case DBUS_TYPE_UINT32:
+ case DBUS_TYPE_STRING:
+ case DBUS_TYPE_OBJECT_PATH:
+ /* These are aligned 4 because they have a length as the
+ * first field;
+ */
+ case DBUS_TYPE_CUSTOM:
+ case DBUS_TYPE_DICT:
+ alignment = 4;
+ break;
+
+ case DBUS_TYPE_INT64:
+ case DBUS_TYPE_UINT64:
+ case DBUS_TYPE_DOUBLE:
+ alignment = 8;
+ break;
+
+ case DBUS_TYPE_ARRAY:
+ _dbus_assert_not_reached ("passed an ARRAY type to get_type_alignment()");
+ break;
+
+ case DBUS_TYPE_INVALID:
+ default:
+ _dbus_assert_not_reached ("passed an invalid or unknown type to get_type_alignment()");
+ break;
+ }
+
+ return alignment;
+}
+
+static dbus_bool_t
+iterate_one_field (const DBusString *str,
+ int byte_order,
+ int name_offset,
+ int *next_offset_p,
+ int *field_name_p,
+ DBusString *append_copy_to,
+ int *copy_name_offset_p,
+ int *copy_value_offset_p)
+{
+ int name, type, array_type;
+ int alignment;
+ int type_len;
+ int type_pos;
+ int value_pos;
+ int value_len;
+ int value_end;
+ int pos;
+
+ _dbus_verbose ("%s: name_offset=%d, append to %p\n",
+ _DBUS_FUNCTION_NAME, name_offset, append_copy_to);
+
+ pos = name_offset;
+
+ name = _dbus_string_get_byte (str, name_offset);
+ pos++;
+
+ type_pos = pos;
+ type = _dbus_string_get_byte (str, type_pos);
+ pos++;
+ type_len = 1;
+
+ array_type = type;
+ /* find out the type of our array */
+ while (array_type == DBUS_TYPE_ARRAY)
+ {
+ pos++;
+ type_len++;
+ array_type = _dbus_string_get_byte (str, pos);
+ }
+
+ _dbus_verbose ("%s: name %d, type '%c' %d at %d len %d, array type '%c' %d\n",
+ _DBUS_FUNCTION_NAME,
+ name, type, type, type_pos, type_len, array_type, array_type);
- if (offset < 0)
- return;
+#ifndef DBUS_DISABLE_ASSERT
+ if (!_dbus_type_is_valid (array_type))
+ {
+ _dbus_warn ("type '%c' %d is not valid in %s\n",
+ array_type, array_type, _DBUS_FUNCTION_NAME);
+ _dbus_assert_not_reached ("invalid type");
+ }
+#endif
+
+ alignment = get_type_alignment (array_type);
+
+ if (alignment > 0)
+ pos = _DBUS_ALIGN_VALUE (pos, alignment);
- clear_header_padding (message);
+ _dbus_verbose ("%s: alignment %d value at pos %d\n",
+ _DBUS_FUNCTION_NAME, alignment, pos);
- /* The field typecode and name take up 8 bytes */
- _dbus_string_delete (&message->header,
- offset - 8,
- 12);
+ /* pos now points to our value */
+ if (!_dbus_marshal_get_arg_end_pos (str, byte_order,
+ type, pos, &value_end))
+ _dbus_assert_not_reached ("failed to get the byte after this header");
- message->header_fields[field].offset = -1;
+ value_pos = pos;
+ value_len = value_end - value_pos;
+
+ _dbus_verbose ("%s: value_pos %d value_len %d value_end %d\n",
+ _DBUS_FUNCTION_NAME, value_pos, value_len, value_end);
- adjust_field_offsets (message,
- offset - 8,
- - 12);
+ if (next_offset_p)
+ *next_offset_p = pos + value_len;
+
+ if (field_name_p)
+ *field_name_p = name;
+
+ if (append_copy_to)
+ {
+ int orig_len;
+
+ orig_len = _dbus_string_get_length (append_copy_to);
+
+ if (copy_name_offset_p)
+ *copy_name_offset_p = orig_len;
+
+ if (!_dbus_string_append_byte (append_copy_to, name))
+ goto failed_copy;
+
+ if (!_dbus_string_copy_len (str, type_pos, type_len,
+ append_copy_to,
+ _dbus_string_get_length (append_copy_to)))
+ goto failed_copy;
+
+ if (!_dbus_string_align_length (append_copy_to, alignment))
+ goto failed_copy;
+
+ if (copy_value_offset_p)
+ *copy_value_offset_p = _dbus_string_get_length (append_copy_to);
+
+ if (!_dbus_string_copy_len (str, value_pos, value_len,
+ append_copy_to,
+ _dbus_string_get_length (append_copy_to)))
+ goto failed_copy;
+
+ return TRUE;
- append_header_padding (message);
+ failed_copy:
+ _dbus_verbose ("%s: Failed copying old fields to new string\n",
+ _DBUS_FUNCTION_NAME);
+ _dbus_string_set_length (append_copy_to, orig_len);
+ return FALSE;
+ }
+ else
+ return TRUE;
}
-#endif
+#ifndef DBUS_DISABLE_ASSERT
static void
-delete_string_field (DBusMessage *message,
- int field)
+verify_header_fields (DBusMessage *message)
{
- int offset = message->header_fields[field].offset;
- int len;
- int delete_len;
+ int i;
+ i = 0;
+ while (i < DBUS_HEADER_FIELD_LAST)
+ {
+ if (message->header_fields[i].name_offset >= 0)
+ _dbus_assert (_dbus_string_get_byte (&message->header,
+ message->header_fields[i].name_offset) ==
+ i);
+ ++i;
+ }
+}
+#else /* DBUS_DISABLE_ASSERT */
+#define verify_header_fields(x)
+#endif /* DBUS_DISABLE_ASSERT */
+
+/* In this function we delete one field and re-align all the fields
+ * following it.
+ */
+static dbus_bool_t
+delete_one_and_re_align (DBusMessage *message,
+ int name_offset_to_delete)
+{
+ DBusString copy;
+ int new_fields_front_padding;
+ int next_offset;
+ int field_name;
+ dbus_bool_t retval;
+ HeaderField new_header_fields[DBUS_HEADER_FIELD_LAST];
- _dbus_assert (!message->locked);
- _dbus_assert (field_is_named[field]);
+ _dbus_assert (name_offset_to_delete < _dbus_string_get_length (&message->header));
+ verify_header_fields (message);
+
+ _dbus_verbose ("%s: Deleting one field at offset %d\n",
+ _DBUS_FUNCTION_NAME,
+ name_offset_to_delete);
- if (offset < 0)
- return;
+ retval = FALSE;
clear_header_padding (message);
- get_string_field (message, field, &len);
+ if (!_dbus_string_init_preallocated (©,
+ _dbus_string_get_length (&message->header) -
+ name_offset_to_delete + 8))
+ {
+ _dbus_verbose ("%s: Failed to init string to hold copy of fields\n",
+ _DBUS_FUNCTION_NAME);
+ goto out_0;
+ }
+
+ /* Align the name offset of the first field in the same way it's
+ * aligned in the real header
+ */
+ new_fields_front_padding = name_offset_to_delete % 8;
+
+ if (!_dbus_string_insert_bytes (©, 0, new_fields_front_padding,
+ '\0'))
+ _dbus_assert_not_reached ("Should not have failed to insert bytes into preallocated string\n");
+
+ memcpy (new_header_fields, message->header_fields,
+ sizeof (new_header_fields));
- /* The field typecode and name take up 8 bytes, and the nul
- * termination is 1 bytes, string length integer is 4 bytes
+ /* Now just re-marshal each field in the header to our temporary
+ * buffer, skipping the first one. The tricky part is that the
+ * fields are padded as if for previous_name_offset, but are in fact
+ * at unaligned_name_offset
*/
- delete_len = 8 + 4 + 1 + len;
+
+ if (!iterate_one_field (&message->header,
+ message->byte_order,
+ name_offset_to_delete,
+ &next_offset,
+ &field_name, NULL, NULL, NULL))
+ _dbus_assert_not_reached ("shouldn't have failed to alloc memory to skip the deleted field");
+
+ if (field_name < DBUS_HEADER_FIELD_LAST)
+ {
+ new_header_fields[field_name].name_offset = -1;
+ new_header_fields[field_name].value_offset = -1;
+ }
- _dbus_string_delete (&message->header,
- offset - 8,
- delete_len);
+ while (next_offset < _dbus_string_get_length (&message->header))
+ {
+ int copy_name_offset;
+ int copy_value_offset;
+
+ if (!iterate_one_field (&message->header,
+ message->byte_order,
+ next_offset,
+ &next_offset,
+ &field_name,
+ ©,
+ ©_name_offset,
+ ©_value_offset))
+ {
+ _dbus_verbose ("%s: OOM iterating one field\n",
+ _DBUS_FUNCTION_NAME);
+ goto out_1;
+ }
+
+ if (field_name < DBUS_HEADER_FIELD_LAST)
+ {
+ new_header_fields[field_name].name_offset = copy_name_offset - new_fields_front_padding + name_offset_to_delete;
+ new_header_fields[field_name].value_offset = copy_value_offset - new_fields_front_padding + name_offset_to_delete;
+ }
+ }
- message->header_fields[field].offset = -1;
+ if (!_dbus_string_replace_len (©,
+ new_fields_front_padding,
+ _dbus_string_get_length (©) - new_fields_front_padding,
+ &message->header,
+ name_offset_to_delete,
+ _dbus_string_get_length (&message->header) - name_offset_to_delete))
+ {
+ _dbus_verbose ("%s: OOM moving copy back into header\n",
+ _DBUS_FUNCTION_NAME);
+ goto out_1;
+ }
+
+ memcpy (message->header_fields, new_header_fields,
+ sizeof (new_header_fields));
+ verify_header_fields (message);
- adjust_field_offsets (message,
- offset - 8,
- - delete_len);
+ retval = TRUE;
+
+ out_1:
+ _dbus_string_free (©);
+
+ out_0:
+ if (!append_header_padding (message))
+ _dbus_assert_not_reached ("Failed to re-append header padding in re_align_field_recurse()");
+
+ return retval;
+}
+
+static dbus_bool_t
+delete_field (DBusMessage *message,
+ int field,
+ int prealloc_header_space)
+{
+ int offset;
+
+ _dbus_assert (!message->locked);
+
+ /* Prealloc */
+ if (!_dbus_string_lengthen (&message->header, prealloc_header_space))
+ {
+ _dbus_verbose ("failed to prealloc %d bytes header space\n",
+ prealloc_header_space);
+ return FALSE;
+ }
+ _dbus_string_shorten (&message->header, prealloc_header_space);
+
+ /* Delete */
+ offset = message->header_fields[field].name_offset;
+ if (offset < 0)
+ {
+ _dbus_verbose ("header field didn't exist, no need to delete\n");
+ return TRUE; /* field didn't exist */
+ }
- append_header_padding (message);
+ return delete_one_and_re_align (message, offset);
}
#ifdef DBUS_BUILD_TESTS
int field,
int value)
{
- int offset = message->header_fields[field].offset;
+ int offset = message->header_fields[field].value_offset;
_dbus_assert (!message->locked);
if (offset < 0)
{
/* need to append the field */
-
- switch (field)
- {
- default:
- _dbus_assert_not_reached ("appending an int field we don't support appending");
- return FALSE;
- }
+ return append_int_field (message, field, value);
}
else
{
int field,
dbus_uint32_t value)
{
- int offset = message->header_fields[field].offset;
+ int offset = message->header_fields[field].value_offset;
_dbus_assert (!message->locked);
if (offset < 0)
{
/* need to append the field */
-
- switch (field)
- {
- case FIELD_REPLY_SERIAL:
- return append_uint_field (message, field,
- DBUS_HEADER_FIELD_REPLY,
- value);
- default:
- _dbus_assert_not_reached ("appending a uint field we don't support appending");
- return FALSE;
- }
+ return append_uint_field (message, field, value);
}
else
{
static dbus_bool_t
set_string_field (DBusMessage *message,
int field,
+ int type,
const char *value)
{
- int offset = message->header_fields[field].offset;
-
- _dbus_assert (!message->locked);
- _dbus_assert (value != NULL);
+ int prealloc;
- if (offset < 0)
- {
- /* need to append the field */
-
- switch (field)
- {
- case FIELD_SENDER:
- return append_string_field (message, field,
- DBUS_HEADER_FIELD_SENDER,
- value);
- default:
- _dbus_assert_not_reached ("appending a string field we don't support appending");
- return FALSE;
- }
- }
- else
- {
- DBusString v;
- int old_len;
- int new_len;
- int len;
-
- clear_header_padding (message);
-
- old_len = _dbus_string_get_length (&message->header);
-
- len = strlen (value);
-
- _dbus_string_init_const_len (&v, value,
- len + 1); /* include nul */
- if (!_dbus_marshal_set_string (&message->header,
- message->byte_order,
- offset, &v,
- len))
- goto failed;
-
- new_len = _dbus_string_get_length (&message->header);
-
- adjust_field_offsets (message,
- offset,
- new_len - old_len);
+ _dbus_assert (!message->locked);
- if (!append_header_padding (message))
- goto failed;
-
- return TRUE;
+ /* the prealloc is so the append_string_field()
+ * below won't fail, leaving us in inconsistent state
+ */
+ prealloc = (value ? strlen (value) : 0) + MAX_BYTES_OVERHEAD_TO_APPEND_A_STRING;
- failed:
- /* this must succeed because it was allocated on function entry and
- * DBusString doesn't ever realloc smaller
- */
- if (!append_header_padding (message))
- _dbus_assert_not_reached ("failed to reappend header padding");
+ _dbus_verbose ("set_string_field() field %d prealloc %d\n",
+ field, prealloc);
+
+ if (!delete_field (message, field, prealloc))
+ return FALSE;
- return FALSE;
+ if (value != NULL)
+ {
+ /* need to append the field */
+ if (!append_string_field (message, field, type, value))
+ _dbus_assert_not_reached ("Appending string field shouldn't have failed, due to preallocation");
}
+
+ return TRUE;
}
/**
{
_dbus_assert (!message->locked);
_dbus_assert (dbus_message_get_serial (message) == 0);
-
- set_uint_field (message, FIELD_CLIENT_SERIAL,
- serial);
+
+ _dbus_marshal_set_uint32 (&message->header,
+ message->byte_order,
+ CLIENT_SERIAL_OFFSET,
+ serial);
+
message->client_serial = serial;
}
{
_dbus_assert (!message->locked);
- if (set_uint_field (message, FIELD_REPLY_SERIAL,
+ if (set_uint_field (message,
+ DBUS_HEADER_FIELD_REPLY_SERIAL,
reply_serial))
{
message->reply_serial = reply_serial;
}
/**
- * Returns the serial of a message or -1 if none has been specified.
+ * Returns the serial of a message or 0 if none has been specified.
* The message's serial number is provided by the application sending
- * the message and is used to identify replies to this message.
+ * the message and is used to identify replies to this message. All
+ * messages received on a connection will have a serial, but messages
+ * you haven't sent yet may return 0.
*
* @param message the message
* @returns the client serial
}
/**
- * Returns the serial that the message is
- * a reply to or 0 if none.
+ * Returns the serial that the message is a reply to or 0 if none.
*
* @param message the message
* @returns the reply serial
static dbus_bool_t
dbus_message_create_header (DBusMessage *message,
- const char *name,
- const char *service)
+ int type,
+ const char *service,
+ const char *path,
+ const char *interface,
+ const char *member,
+ const char *error_name)
{
unsigned int flags;
+
+ _dbus_assert ((interface && member) ||
+ (error_name) ||
+ !(interface || member || error_name));
if (!_dbus_string_append_byte (&message->header, message->byte_order))
return FALSE;
+ if (!_dbus_string_append_byte (&message->header, type))
+ return FALSE;
+
flags = 0;
if (!_dbus_string_append_byte (&message->header, flags))
return FALSE;
if (!_dbus_string_append_byte (&message->header, DBUS_MAJOR_PROTOCOL_VERSION))
return FALSE;
- if (!_dbus_string_append_byte (&message->header, 0))
- return FALSE;
-
- message->header_fields[FIELD_HEADER_LENGTH].offset = 4;
+ /* header length */
if (!_dbus_marshal_uint32 (&message->header, message->byte_order, 0))
return FALSE;
- message->header_fields[FIELD_BODY_LENGTH].offset = 8;
+ /* body length */
if (!_dbus_marshal_uint32 (&message->header, message->byte_order, 0))
return FALSE;
- message->header_fields[FIELD_CLIENT_SERIAL].offset = 12;
- if (!_dbus_marshal_int32 (&message->header, message->byte_order, -1))
+ /* serial */
+ if (!_dbus_marshal_uint32 (&message->header, message->byte_order, 0))
return FALSE;
- /* Marshal message service */
+ /* Marshal all the fields (Marshall Fields?) */
+
+ if (path != NULL)
+ {
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_PATH,
+ DBUS_TYPE_OBJECT_PATH,
+ path))
+ return FALSE;
+ }
+
if (service != NULL)
{
if (!append_string_field (message,
- FIELD_SERVICE,
DBUS_HEADER_FIELD_SERVICE,
+ DBUS_TYPE_STRING,
service))
return FALSE;
}
- _dbus_assert (name != NULL);
- if (!append_string_field (message,
- FIELD_NAME,
- DBUS_HEADER_FIELD_NAME,
- name))
- return FALSE;
+ if (interface != NULL)
+ {
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_INTERFACE,
+ DBUS_TYPE_STRING,
+ interface))
+ return FALSE;
+ }
+
+ if (member != NULL)
+ {
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_MEMBER,
+ DBUS_TYPE_STRING,
+ member))
+ return FALSE;
+ }
+
+ if (error_name != NULL)
+ {
+ if (!append_string_field (message,
+ DBUS_HEADER_FIELD_ERROR_NAME,
+ DBUS_TYPE_STRING,
+ error_name))
+ return FALSE;
+ }
return TRUE;
}
if (!message->locked)
{
/* Fill in our lengths */
- set_uint_field (message,
- FIELD_HEADER_LENGTH,
- _dbus_string_get_length (&message->header));
+ _dbus_marshal_set_uint32 (&message->header,
+ message->byte_order,
+ HEADER_LENGTH_OFFSET,
+ _dbus_string_get_length (&message->header));
- set_uint_field (message,
- FIELD_BODY_LENGTH,
- _dbus_string_get_length (&message->body));
+ _dbus_marshal_set_uint32 (&message->header,
+ message->byte_order,
+ BODY_LENGTH_OFFSET,
+ _dbus_string_get_length (&message->body));
message->locked = TRUE;
}
message->byte_order = DBUS_COMPILER_BYTE_ORDER;
message->client_serial = 0;
message->reply_serial = 0;
+
+ _dbus_data_slot_list_init (&message->slot_list);
i = 0;
- while (i < FIELD_LAST)
+ while (i <= DBUS_HEADER_FIELD_LAST)
{
- message->header_fields[i].offset = -1;
+ message->header_fields[i].name_offset = -1;
+ message->header_fields[i].value_offset = -1;
++i;
}
dbus_free (message);
return NULL;
}
-
- return message;
-}
-
-/**
- * Constructs a new message. Returns #NULL if memory can't be
- * allocated for the message. The service may be #NULL in which case
- * no service is set; this is appropriate when using D-BUS in a
- * peer-to-peer context (no message bus).
- *
- * @todo reverse the arguments, first 'name' then 'service'
- * as 'name' is more fundamental
+ if (!_dbus_string_init_preallocated (&message->signature, 4))
+ {
+ _dbus_string_free (&message->header);
+ _dbus_string_free (&message->body);
+ dbus_free (message);
+ return NULL;
+ }
+
+ return message;
+}
+
+/**
+ * Constructs a new message of the given message type.
+ * Types include #DBUS_MESSAGE_TYPE_METHOD_CALL,
+ * #DBUS_MESSAGE_TYPE_SIGNAL, and so forth.
*
- * @param name name of the message
- * @param destination_service service that the message should be sent to or #NULL
+ * @param message_type type of message
+ * @returns new message or #NULL If no memory
+ */
+DBusMessage*
+dbus_message_new (int message_type)
+{
+ DBusMessage *message;
+
+ _dbus_return_val_if_fail (message_type != DBUS_MESSAGE_TYPE_INVALID, NULL);
+
+ message = dbus_message_new_empty_header ();
+ if (message == NULL)
+ return NULL;
+
+ if (!dbus_message_create_header (message,
+ message_type,
+ NULL, NULL, NULL, NULL, NULL))
+ {
+ dbus_message_unref (message);
+ return NULL;
+ }
+
+ return message;
+}
+
+/**
+ * Constructs a new message to invoke a method on a remote
+ * object. Returns #NULL if memory can't be allocated for the
+ * message. The service may be #NULL in which case no service is set;
+ * this is appropriate when using D-BUS in a peer-to-peer context (no
+ * message bus). The interface may be #NULL, which means that
+ * if multiple methods with the given name exist it is undefined
+ * which one will be invoked.
+ *
+ * @param service service that the message should be sent to or #NULL
+ * @param path object path the message should be sent to
+ * @param interface interface to invoke method on
+ * @param method method to invoke
+ *
* @returns a new DBusMessage, free with dbus_message_unref()
* @see dbus_message_unref()
*/
DBusMessage*
-dbus_message_new (const char *name,
- const char *destination_service)
+dbus_message_new_method_call (const char *service,
+ const char *path,
+ const char *interface,
+ const char *method)
{
DBusMessage *message;
- _dbus_return_val_if_fail (name != NULL, NULL);
+ _dbus_return_val_if_fail (path != NULL, NULL);
+ _dbus_return_val_if_fail (method != NULL, NULL);
message = dbus_message_new_empty_header ();
if (message == NULL)
return NULL;
- if (!dbus_message_create_header (message, name, destination_service))
+ if (!dbus_message_create_header (message,
+ DBUS_MESSAGE_TYPE_METHOD_CALL,
+ service, path, interface, method, NULL))
{
dbus_message_unref (message);
return NULL;
}
/**
- * Constructs a message that is a reply to some other
- * message. Returns #NULL if memory can't be allocated
- * for the message.
+ * Constructs a message that is a reply to a method call. Returns
+ * #NULL if memory can't be allocated for the message.
*
- * @param original_message the message which the created
+ * @param method_call the message which the created
* message is a reply to.
* @returns a new DBusMessage, free with dbus_message_unref()
- * @see dbus_message_new(), dbus_message_unref()
+ * @see dbus_message_new_method_call(), dbus_message_unref()
*/
DBusMessage*
-dbus_message_new_reply (DBusMessage *original_message)
+dbus_message_new_method_return (DBusMessage *method_call)
{
DBusMessage *message;
- const char *sender, *name;
-
- _dbus_return_val_if_fail (original_message != NULL, NULL);
-
- sender = get_string_field (original_message,
- FIELD_SENDER, NULL);
- name = get_string_field (original_message,
- FIELD_NAME, NULL);
+ const char *sender;
- /* sender is allowed to be null here in peer-to-peer case */
+ _dbus_return_val_if_fail (method_call != NULL, NULL);
- message = dbus_message_new (name, sender);
+ sender = get_string_field (method_call,
+ DBUS_HEADER_FIELD_SENDER_SERVICE,
+ NULL);
+ /* sender is allowed to be null here in peer-to-peer case */
+
+ message = dbus_message_new_empty_header ();
if (message == NULL)
return NULL;
+
+ if (!dbus_message_create_header (message,
+ DBUS_MESSAGE_TYPE_METHOD_RETURN,
+ sender, NULL, NULL, NULL, NULL))
+ {
+ dbus_message_unref (message);
+ return NULL;
+ }
+
+ dbus_message_set_no_reply (message, TRUE);
if (!dbus_message_set_reply_serial (message,
- dbus_message_get_serial (original_message)))
+ dbus_message_get_serial (method_call)))
+ {
+ dbus_message_unref (message);
+ return NULL;
+ }
+
+ return message;
+}
+
+/**
+ * Constructs a new message representing a signal emission. Returns
+ * #NULL if memory can't be allocated for the message.
+ * A signal is identified by its originating interface, and
+ * the name of the signal.
+ *
+ * @param path the path to the object emitting the signal
+ * @param interface the interface the signal is emitted from
+ * @param name name of the signal
+ * @returns a new DBusMessage, free with dbus_message_unref()
+ * @see dbus_message_unref()
+ */
+DBusMessage*
+dbus_message_new_signal (const char *path,
+ const char *interface,
+ const char *name)
+{
+ DBusMessage *message;
+
+ _dbus_return_val_if_fail (path != NULL, NULL);
+ _dbus_return_val_if_fail (interface != NULL, NULL);
+ _dbus_return_val_if_fail (name != NULL, NULL);
+
+ message = dbus_message_new_empty_header ();
+ if (message == NULL)
+ return NULL;
+
+ if (!dbus_message_create_header (message,
+ DBUS_MESSAGE_TYPE_SIGNAL,
+ NULL, path, interface, name, NULL))
{
dbus_message_unref (message);
return NULL;
}
+ dbus_message_set_no_reply (message, TRUE);
+
return message;
}
/**
* Creates a new message that is an error reply to a certain message.
+ * Error replies are possible in response to method calls primarily.
*
- * @param original_message the original message
+ * @param reply_to the original message
* @param error_name the error name
* @param error_message the error message string or #NULL for none
* @returns a new error message
*/
DBusMessage*
-dbus_message_new_error_reply (DBusMessage *original_message,
- const char *error_name,
- const char *error_message)
+dbus_message_new_error (DBusMessage *reply_to,
+ const char *error_name,
+ const char *error_message)
{
DBusMessage *message;
const char *sender;
DBusMessageIter iter;
- _dbus_return_val_if_fail (original_message != NULL, NULL);
+ _dbus_return_val_if_fail (reply_to != NULL, NULL);
_dbus_return_val_if_fail (error_name != NULL, NULL);
- sender = get_string_field (original_message,
- FIELD_SENDER, NULL);
+ sender = get_string_field (reply_to,
+ DBUS_HEADER_FIELD_SENDER_SERVICE,
+ NULL);
/* sender may be NULL for non-message-bus case or
* when the message bus is dealing with an unregistered
* connection.
*/
-
- message = dbus_message_new (error_name, sender);
-
+ message = dbus_message_new_empty_header ();
if (message == NULL)
return NULL;
+
+ if (!dbus_message_create_header (message,
+ DBUS_MESSAGE_TYPE_ERROR,
+ sender, NULL, NULL, NULL, error_name))
+ {
+ dbus_message_unref (message);
+ return NULL;
+ }
+ dbus_message_set_no_reply (message, TRUE);
+
if (!dbus_message_set_reply_serial (message,
- dbus_message_get_serial (original_message)))
+ dbus_message_get_serial (reply_to)))
{
dbus_message_unref (message);
return NULL;
return NULL;
}
}
-
- dbus_message_set_is_error (message, TRUE);
return message;
}
retval->header_padding = message->header_padding;
retval->locked = FALSE;
- if (!_dbus_string_init (&retval->header))
+ if (!_dbus_string_init_preallocated (&retval->header,
+ _dbus_string_get_length (&message->header)))
{
dbus_free (retval);
return NULL;
}
- if (!_dbus_string_init (&retval->body))
+ if (!_dbus_string_init_preallocated (&retval->body,
+ _dbus_string_get_length (&message->body)))
{
_dbus_string_free (&retval->header);
dbus_free (retval);
return NULL;
}
- if (!_dbus_string_copy (&message->header, 0,
- &retval->header, 0))
+ if (!_dbus_string_init_preallocated (&retval->signature,
+ _dbus_string_get_length (&message->signature)))
{
_dbus_string_free (&retval->header);
_dbus_string_free (&retval->body);
dbus_free (retval);
-
return NULL;
}
+
+ if (!_dbus_string_copy (&message->header, 0,
+ &retval->header, 0))
+ goto failed_copy;
if (!_dbus_string_copy (&message->body, 0,
&retval->body, 0))
- {
- _dbus_string_free (&retval->header);
- _dbus_string_free (&retval->body);
- dbus_free (retval);
-
- return NULL;
- }
+ goto failed_copy;
- for (i = 0; i < FIELD_LAST; i++)
+ if (!_dbus_string_copy (&message->signature, 0,
+ &retval->signature, 0))
+ goto failed_copy;
+
+ for (i = 0; i <= DBUS_HEADER_FIELD_LAST; i++)
{
- retval->header_fields[i].offset = message->header_fields[i].offset;
+ retval->header_fields[i] = message->header_fields[i];
}
return retval;
+
+ failed_copy:
+ _dbus_string_free (&retval->header);
+ _dbus_string_free (&retval->body);
+ _dbus_string_free (&retval->signature);
+ dbus_free (retval);
+
+ return NULL;
}
* Increments the reference count of a DBusMessage.
*
* @param message The message
+ * @returns the message
* @see dbus_message_unref
*/
-void
+DBusMessage *
dbus_message_ref (DBusMessage *message)
{
dbus_int32_t old_refcount;
- _dbus_return_if_fail (message != NULL);
+ _dbus_return_val_if_fail (message != NULL, NULL);
old_refcount = _dbus_atomic_inc (&message->refcount);
_dbus_assert (old_refcount >= 1);
+
+ return message;
}
static void
if (old_refcount == 1)
{
+ /* This calls application callbacks! */
+ _dbus_data_slot_list_free (&message->slot_list);
+
_dbus_list_foreach (&message->size_counters,
free_size_counter, message);
_dbus_list_clear (&message->size_counters);
_dbus_string_free (&message->header);
_dbus_string_free (&message->body);
+ _dbus_string_free (&message->signature);
dbus_free (message);
}
}
/**
- * Gets the name of a message.
+ * Gets the type of a message. Types include
+ * DBUS_MESSAGE_TYPE_METHOD_CALL, DBUS_MESSAGE_TYPE_METHOD_RETURN,
+ * DBUS_MESSAGE_TYPE_ERROR, DBUS_MESSAGE_TYPE_SIGNAL, but other types
+ * are allowed and all code must silently ignore messages of unknown
+ * type. DBUS_MESSAGE_TYPE_INVALID will never be returned, however.
+ *
+ *
+ * @param message the message
+ * @returns the type of the message
+ */
+int
+dbus_message_get_type (DBusMessage *message)
+{
+ int type;
+
+ type = _dbus_string_get_byte (&message->header, 1);
+ _dbus_assert (type != DBUS_MESSAGE_TYPE_INVALID);
+
+ return type;
+}
+
+/**
+ * Sets the object path this message is being sent to (for
+ * DBUS_MESSAGE_TYPE_METHOD_CALL) or the one a signal is being
+ * emitted from (for DBUS_MESSAGE_TYPE_SIGNAL).
+ *
+ * @param message the message
+ * @param object_path the path
+ * @returns #FALSE if not enough memory
+ */
+dbus_bool_t
+dbus_message_set_path (DBusMessage *message,
+ const char *object_path)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_PATH,
+ DBUS_TYPE_OBJECT_PATH,
+ object_path);
+}
+
+/**
+ * Gets the object path this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted
+ * from (for DBUS_MESSAGE_TYPE_SIGNAL).
+ *
+ * @param message the message
+ * @returns the path (should not be freed)
+ */
+const char*
+dbus_message_get_path (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
+
+ return get_string_field (message, DBUS_HEADER_FIELD_PATH, NULL);
+}
+
+/**
+ * Gets the object path this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted
+ * from (for DBUS_MESSAGE_TYPE_SIGNAL) in a decomposed
+ * format (one array element per path component).
+ * Free the returned array with dbus_free_string_array().
+ *
+ * An empty but non-NULL path array means the path "/".
+ * So the path "/foo/bar" becomes { "foo", "bar", NULL }
+ * and the path "/" becomes { NULL }.
+ *
+ * @param message the message
+ * @param path place to store allocated array of path components; #NULL set here if no path field exists
+ * @returns #FALSE if no memory to allocate the array
+ */
+dbus_bool_t
+dbus_message_get_path_decomposed (DBusMessage *message,
+ char ***path)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (path != NULL, FALSE);
+
+ return get_path_field_decomposed (message,
+ DBUS_HEADER_FIELD_PATH,
+ path);
+}
+
+/**
+ * Sets the interface this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or
+ * the interface a signal is being emitted from
+ * (for DBUS_MESSAGE_TYPE_SIGNAL).
+ *
+ * @param message the message
+ * @param interface the interface
+ * @returns #FALSE if not enough memory
+ */
+dbus_bool_t
+dbus_message_set_interface (DBusMessage *message,
+ const char *interface)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_INTERFACE,
+ DBUS_TYPE_STRING,
+ interface);
+}
+
+/**
+ * Gets the interface this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted
+ * from (for DBUS_MESSAGE_TYPE_SIGNAL).
+ * The interface name is fully-qualified (namespaced).
+ *
+ * @param message the message
+ * @returns the message interface (should not be freed)
+ */
+const char*
+dbus_message_get_interface (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
+
+ return get_string_field (message, DBUS_HEADER_FIELD_INTERFACE, NULL);
+}
+
+/**
+ * Sets the interface member being invoked
+ * (DBUS_MESSAGE_TYPE_METHOD_CALL) or emitted
+ * (DBUS_MESSAGE_TYPE_SIGNAL).
+ * The interface name is fully-qualified (namespaced).
+ *
+ * @param message the message
+ * @param member the member
+ * @returns #FALSE if not enough memory
+ */
+dbus_bool_t
+dbus_message_set_member (DBusMessage *message,
+ const char *member)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_MEMBER,
+ DBUS_TYPE_STRING,
+ member);
+}
+
+/**
+ * Gets the interface member being invoked
+ * (DBUS_MESSAGE_TYPE_METHOD_CALL) or emitted
+ * (DBUS_MESSAGE_TYPE_SIGNAL).
+ *
+ * @param message the message
+ * @returns the member name (should not be freed)
+ */
+const char*
+dbus_message_get_member (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
+
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_MEMBER,
+ NULL);
+}
+
+/**
+ * Sets the name of the error (DBUS_MESSAGE_TYPE_ERROR).
+ * The name is fully-qualified (namespaced).
*
* @param message the message
- * @returns the message name (should not be freed)
+ * @param error_name the name
+ * @returns #FALSE if not enough memory
+ */
+dbus_bool_t
+dbus_message_set_error_name (DBusMessage *message,
+ const char *error_name)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_ERROR_NAME,
+ DBUS_TYPE_STRING,
+ error_name);
+}
+
+/**
+ * Gets the error name (DBUS_MESSAGE_TYPE_ERROR only).
+ *
+ * @param message the message
+ * @returns the error name (should not be freed)
*/
const char*
-dbus_message_get_name (DBusMessage *message)
+dbus_message_get_error_name (DBusMessage *message)
{
_dbus_return_val_if_fail (message != NULL, NULL);
- return get_string_field (message, FIELD_NAME, NULL);
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_ERROR_NAME,
+ NULL);
+}
+
+/**
+ * Sets the message's destination service.
+ *
+ * @param message the message
+ * @param destination the destination service name
+ * @returns #FALSE if not enough memory
+ */
+dbus_bool_t
+dbus_message_set_destination (DBusMessage *message,
+ const char *destination)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (!message->locked, FALSE);
+
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_SERVICE,
+ DBUS_TYPE_STRING,
+ destination);
}
/**
{
_dbus_return_val_if_fail (message != NULL, NULL);
- return get_string_field (message, FIELD_SERVICE, NULL);
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_SERVICE,
+ NULL);
}
/**
* followed by the value to add. Array values are specified by an int
* typecode followed by a pointer to the array followed by an int
* giving the length of the array. The argument list must be
- * terminated with DBUS_TYPE_INVALID.
+ * terminated with #DBUS_TYPE_INVALID.
*
* This function doesn't support dicts or non-fundamental arrays.
*
dbus_message_append_iter_init (message, &iter);
- while (type != 0)
+ while (type != DBUS_TYPE_INVALID)
{
switch (type)
{
if (!dbus_message_iter_append_nil (&iter))
goto errorout;
break;
+ case DBUS_TYPE_BYTE:
+ if (!dbus_message_iter_append_byte (&iter, va_arg (var_args, unsigned char)))
+ goto errorout;
+ break;
case DBUS_TYPE_BOOLEAN:
if (!dbus_message_iter_append_boolean (&iter, va_arg (var_args, dbus_bool_t)))
goto errorout;
if (!dbus_message_iter_append_string (&iter, va_arg (var_args, const char *)))
goto errorout;
break;
- case DBUS_TYPE_NAMED:
+ case DBUS_TYPE_OBJECT_PATH:
+
+ break;
+ case DBUS_TYPE_CUSTOM:
{
const char *name;
unsigned char *data;
data = va_arg (var_args, unsigned char *);
len = va_arg (var_args, int);
- if (!dbus_message_iter_append_named (&iter, name, data, len))
+ if (!dbus_message_iter_append_custom (&iter, name, data, len))
goto errorout;
break;
}
break;
case DBUS_TYPE_NIL:
case DBUS_TYPE_ARRAY:
- case DBUS_TYPE_NAMED:
+ case DBUS_TYPE_CUSTOM:
case DBUS_TYPE_DICT:
_dbus_warn ("dbus_message_append_args_valist doesn't support recursive arrays\n");
goto errorout;
* Gets arguments from a message given a variable argument list.
* The variable argument list should contain the type of the
* argumen followed by a pointer to where the value should be
- * stored. The list is terminated with 0.
+ * stored. The list is terminated with #DBUS_TYPE_INVALID.
*
* @param message the message
* @param error error to be filled in on failure
break;
}
- case DBUS_TYPE_NAMED:
+ case DBUS_TYPE_CUSTOM:
{
char **name;
unsigned char **data;
data = va_arg (var_args, unsigned char **);
len = va_arg (var_args, int *);
- if (!dbus_message_iter_get_named (iter, name, data, len))
+ if (!dbus_message_iter_get_custom (iter, name, data, len))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto out;
{
void **data;
int *len, type;
+ dbus_bool_t err = FALSE;
type = va_arg (var_args, int);
data = va_arg (var_args, void *);
len = va_arg (var_args, int *);
+ _dbus_return_val_if_fail (data != NULL, FALSE);
+ _dbus_return_val_if_fail (len != NULL, FALSE);
+
if (dbus_message_iter_get_array_type (iter) != type)
{
dbus_set_error (error, DBUS_ERROR_INVALID_ARGS,
switch (type)
{
case DBUS_TYPE_BYTE:
- if (!dbus_message_iter_get_byte_array (iter, (unsigned char **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
+ err = !dbus_message_iter_get_byte_array (iter, (unsigned char **)data, len);
break;
case DBUS_TYPE_BOOLEAN:
- if (!dbus_message_iter_get_boolean_array (iter, (unsigned char **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
+ err = !dbus_message_iter_get_boolean_array (iter, (unsigned char **)data, len);
break;
case DBUS_TYPE_INT32:
- if (!dbus_message_iter_get_int32_array (iter, (dbus_int32_t **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
+ err = !dbus_message_iter_get_int32_array (iter, (dbus_int32_t **)data, len);
break;
case DBUS_TYPE_UINT32:
- if (!dbus_message_iter_get_uint32_array (iter, (dbus_uint32_t **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
+ err = !dbus_message_iter_get_uint32_array (iter, (dbus_uint32_t **)data, len);
break;
#ifdef DBUS_HAVE_INT64
case DBUS_TYPE_INT64:
- if (!dbus_message_iter_get_int64_array (iter, (dbus_int64_t **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
+ err = !dbus_message_iter_get_int64_array (iter, (dbus_int64_t **)data, len);
break;
case DBUS_TYPE_UINT64:
- if (!dbus_message_iter_get_uint64_array (iter, (dbus_uint64_t **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
+ err = !dbus_message_iter_get_uint64_array (iter, (dbus_uint64_t **)data, len);
break;
#endif /* DBUS_HAVE_INT64 */
case DBUS_TYPE_DOUBLE:
- if (!dbus_message_iter_get_double_array (iter, (double **)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
+ err = !dbus_message_iter_get_double_array (iter, (double **)data, len);
break;
case DBUS_TYPE_STRING:
- if (!dbus_message_iter_get_string_array (iter, (char ***)data, len))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto out;
- }
+ err = !dbus_message_iter_get_string_array (iter, (char ***)data, len);
break;
case DBUS_TYPE_NIL:
case DBUS_TYPE_ARRAY:
- case DBUS_TYPE_NAMED:
+ case DBUS_TYPE_CUSTOM:
case DBUS_TYPE_DICT:
_dbus_warn ("dbus_message_get_args_valist doesn't support recursive arrays\n");
dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED, NULL);
goto out;
}
+ if (err)
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ goto out;
+ }
}
break;
case DBUS_TYPE_DICT:
return pos;
}
+/* FIXME what are these _dbus_type_is_valid() checks for?
+ * haven't we validated the message?
+ */
static int
dbus_message_iter_get_data_start (DBusMessageRealIter *iter, int *type)
{
case DBUS_MESSAGE_ITER_TYPE_MESSAGE:
data = _dbus_string_get_const_data_len (&iter->message->body,
iter->pos, 1);
- if (*data > DBUS_TYPE_INVALID && *data <= DBUS_TYPE_LAST)
+ if (_dbus_type_is_valid (*data))
*type = *data;
else
*type = DBUS_TYPE_INVALID;
case DBUS_MESSAGE_ITER_TYPE_ARRAY:
data = _dbus_string_get_const_data_len (&iter->message->body,
iter->array_type_pos, 1);
- if (*data > DBUS_TYPE_INVALID && *data <= DBUS_TYPE_LAST)
+ if (_dbus_type_is_valid (*data))
*type = *data;
else
*type = DBUS_TYPE_INVALID;
data = _dbus_string_get_const_data_len (&iter->message->body,
pos, 1);
- if (*data > DBUS_TYPE_INVALID && *data <= DBUS_TYPE_LAST)
+ if (_dbus_type_is_valid (*data))
*type = *data;
else
*type = DBUS_TYPE_INVALID;
_dbus_return_val_if_fail (dbus_message_iter_check (real), DBUS_TYPE_INVALID);
if (real->pos >= real->end)
- return DBUS_TYPE_INVALID;
+ {
+ _dbus_verbose (" iterator at or beyond end of message\n");
+ return DBUS_TYPE_INVALID;
+ }
pos = dbus_message_iter_get_data_start (real, &type);
return type;
}
+/* FIXME why do we validate the typecode in here, hasn't the message
+ * already been verified?
+ */
static int
iter_get_array_type (DBusMessageRealIter *iter, int *array_type_pos)
{
data = _dbus_string_get_const_data_len (&iter->message->body,
_array_type_pos, 1);
- if (*data > DBUS_TYPE_INVALID && *data <= DBUS_TYPE_LAST)
+ if (_dbus_type_is_valid (*data))
return *data;
return DBUS_TYPE_INVALID;
pos, NULL);
}
+#if 0
+/**
+ * @todo FIXME to finish this _dbus_demarshal_object_path() needs
+ * to not explode the path.
+ *
+ * Returns the object path value that an iterator may point to.
+ * Note that you need to check that the iterator points to
+ * an object path value before using this function.
+ *
+ * @see dbus_message_iter_get_arg_type
+ * @param iter the message iter
+ * @returns the path
+ */
+char *
+dbus_message_iter_get_object_path (DBusMessageIter *iter)
+{
+ DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
+ int type, pos;
+
+ _dbus_return_val_if_fail (dbus_message_iter_check (real), NULL);
+
+ pos = dbus_message_iter_get_data_start (real, &type);
+
+ _dbus_assert (type == DBUS_TYPE_OBJECT_PATH);
+
+ return _dbus_demarshal_object_path (&real->message->body, real->message->byte_order,
+ pos, NULL);
+}
+#endif
+
/**
- * Returns the name and data from a named type that an
- * iterator may point to. Note that you need to check that
- * the iterator points to a named type before using this
- * function.
+ * Returns the name and data from a custom type that an iterator may
+ * point to. Note that you need to check that the iterator points to a
+ * custom type before using this function.
*
* @see dbus_message_iter_get_arg_type
* @param iter the message iter
- * @param name return location for the name
+ * @param name return location for the name of the custom type
* @param value return location for data
* @param len return location for length of data
* @returns TRUE if get succeed
*
*/
dbus_bool_t
-dbus_message_iter_get_named (DBusMessageIter *iter,
- char **name,
- unsigned char **value,
- int *len)
+dbus_message_iter_get_custom (DBusMessageIter *iter,
+ char **name,
+ unsigned char **value,
+ int *len)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
int type, pos;
pos = dbus_message_iter_get_data_start (real, &type);
- _dbus_assert (type == DBUS_TYPE_NAMED);
+ _dbus_assert (type == DBUS_TYPE_CUSTOM);
_name = _dbus_demarshal_string (&real->message->body, real->message->byte_order,
pos, &pos);
return FALSE;
if (!_dbus_demarshal_byte_array (&real->message->body, real->message->byte_order,
- pos + 1, NULL, value, len))
+ pos, NULL, value, len))
{
dbus_free (_name);
return FALSE;
* @param iter the iterator
* @param array_iter pointer to an iterator to initialize
* @param array_type gets set to the type of the array elements
- * @returns #TRUE on success
*/
-dbus_bool_t
+void
dbus_message_iter_init_array_iterator (DBusMessageIter *iter,
DBusMessageIter *array_iter,
int *array_type)
int type, pos, len_pos, len, array_type_pos;
int _array_type;
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
+ _dbus_return_if_fail (dbus_message_iter_check (real));
pos = dbus_message_iter_get_data_start (real, &type);
if (array_type != NULL)
*array_type = _array_type;
-
- return TRUE;
}
*
* @param iter the iterator
* @param dict_iter pointer to an iterator to initialize
- * @returns #TRUE on success
*/
-dbus_bool_t
+void
dbus_message_iter_init_dict_iterator (DBusMessageIter *iter,
DBusMessageIter *dict_iter)
{
DBusMessageRealIter *dict_real = (DBusMessageRealIter *)dict_iter;
int type, pos, len_pos, len;
- _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
+ _dbus_return_if_fail (dbus_message_iter_check (real));
pos = dbus_message_iter_get_data_start (real, &type);
dict_real->container_start = pos;
dict_real->container_length_pos = len_pos;
dict_real->wrote_dict_key = 0;
-
- return TRUE;
}
/**
/**
* Returns the string array that the iterator may point to.
* Note that you need to check that the iterator points
- * to a byte array prior to using this function.
+ * to a string array prior to using this function.
*
* The returned value is a #NULL-terminated array of strings.
* Each string is a separate malloc block, and the array
return TRUE;
}
+#if 0
+/**
+ * @todo FIXME to implement this _dbus_demarshal_object_path_array()
+ * needs implementing
+ *
+ * Returns the object path array that the iterator may point to.
+ * Note that you need to check that the iterator points
+ * to an object path array prior to using this function.
+ *
+ * The returned value is a #NULL-terminated array of strings.
+ * Each string is a separate malloc block, and the array
+ * itself is a malloc block. You can free this type of
+ * array with dbus_free_string_array().
+ *
+ * @param iter the iterator
+ * @param value return location for string values
+ * @param len return location for length of byte array
+ * @returns #TRUE on success
+ */
+dbus_bool_t
+dbus_message_iter_get_object_path_array (DBusMessageIter *iter,
+ char ***value,
+ int *len)
+{
+ DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
+ int type, pos;
+
+ _dbus_return_val_if_fail (dbus_message_iter_check (real), FALSE);
+
+ pos = dbus_message_iter_get_data_start (real, &type);
+
+ _dbus_assert (type == DBUS_TYPE_ARRAY);
+
+ type = iter_get_array_type (real, NULL);
+ _dbus_assert (type == DBUS_TYPE_OBJECT_PATH);
+
+ if (!_dbus_demarshal_object_path_array (&real->message->body, real->message->byte_order,
+ pos, NULL, value, len))
+ return FALSE;
+ else
+ return TRUE;
+}
+#endif
+
/**
* Returns the key name fot the dict entry that an iterator
* may point to. Note that you need to check that the iterator
switch (iter->type)
{
case DBUS_MESSAGE_ITER_TYPE_MESSAGE:
+ if (!_dbus_string_append_byte (&iter->message->signature, type))
+ return FALSE;
+
if (!_dbus_string_append_byte (&iter->message->body, type))
- return FALSE;
+ {
+ _dbus_string_shorten (&iter->message->signature, 1);
+ return FALSE;
+ }
break;
case DBUS_MESSAGE_ITER_TYPE_ARRAY:
}
if (!_dbus_string_append_byte (&iter->message->body, type))
- return FALSE;
+ return FALSE;
break;
/**
* Appends a UTF-8 string to the message.
*
+ * @todo add return_val_if_fail(UTF-8 is valid)
+ *
* @param iter an iterator pointing to the end of the message
* @param value the string
* @returns #TRUE on success
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
+
if (!dbus_message_iter_append_type (real, DBUS_TYPE_STRING))
return FALSE;
}
/**
- * Appends a named type data chunk to the message. A named
+ * Appends a custom type data chunk to the message. A custom
* type is simply an arbitrary UTF-8 string used as a type
* tag, plus an array of arbitrary bytes to be interpreted
* according to the type tag.
* @returns #TRUE on success
*/
dbus_bool_t
-dbus_message_iter_append_named (DBusMessageIter *iter,
- const char *name,
- const unsigned char *data,
- int len)
+dbus_message_iter_append_custom (DBusMessageIter *iter,
+ const char *name,
+ const unsigned char *data,
+ int len)
{
DBusMessageRealIter *real = (DBusMessageRealIter *)iter;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
- if (!dbus_message_iter_append_type (real, DBUS_TYPE_NAMED))
+ if (!dbus_message_iter_append_type (real, DBUS_TYPE_CUSTOM))
return FALSE;
if (!_dbus_marshal_string (&real->message->body, real->message->byte_order, name))
if (real->wrote_dict_key)
{
- _dbus_warn ("Appendinging multiple dict key names\n");
+ _dbus_warn ("Appending multiple dict key names\n");
return FALSE;
}
{
if (array_type_pos != NULL)
*array_type_pos = _dbus_string_get_length (&real->message->body);
+
+
+ if (!_dbus_string_append_byte (&real->message->signature, element_type))
+ {
+ _dbus_string_set_length (&real->message->body, real->pos);
+ return FALSE;
+ }
/* Append element type */
if (!_dbus_string_append_byte (&real->message->body, element_type))
{
+ _dbus_string_shorten (&real->message->signature, 1);
_dbus_string_set_length (&real->message->body, real->pos);
return FALSE;
}
if (element_type != DBUS_TYPE_ARRAY &&
!array_iter_type_mark_done (real))
- return FALSE;
+ {
+ _dbus_string_shorten (&real->message->signature, 1);
+ return FALSE;
+ }
}
return TRUE;
int len_pos;
_dbus_return_val_if_fail (dbus_message_iter_append_check (real), FALSE);
-
+
if (!dbus_message_iter_append_type (real, DBUS_TYPE_DICT))
- return FALSE;
-
+ return FALSE;
+
len_pos = _DBUS_ALIGN_VALUE (_dbus_string_get_length (&real->message->body), sizeof (dbus_uint32_t));
/* Empty length for now, backfill later */
dbus_message_iter_append_done (dict_real);
+ real->wrote_dict_key = FALSE;
+
return TRUE;
}
_dbus_return_val_if_fail (message != NULL, FALSE);
_dbus_return_val_if_fail (!message->locked, FALSE);
- if (sender == NULL)
- {
- delete_string_field (message, FIELD_SENDER);
- return TRUE;
- }
- else
- {
- return set_string_field (message,
- FIELD_SENDER,
- sender);
- }
+ return set_string_field (message,
+ DBUS_HEADER_FIELD_SENDER_SERVICE,
+ DBUS_TYPE_STRING,
+ sender);
}
/**
- * Sets a flag indicating that the message is an error reply
- * message, i.e. an "exception" rather than a normal response.
+ * Sets a flag indicating that the message does not want a reply; if
+ * this flag is set, the other end of the connection may (but is not
+ * required to) optimize by not sending method return or error
+ * replies. If this flag is set, there is no way to know whether the
+ * message successfully arrived at the remote end.
*
* @param message the message
- * @param is_error_reply #TRUE if this is an error message.
+ * @param no_reply #TRUE if no reply is desired
*/
void
-dbus_message_set_is_error (DBusMessage *message,
- dbus_bool_t is_error_reply)
+dbus_message_set_no_reply (DBusMessage *message,
+ dbus_bool_t no_reply)
{
char *header;
_dbus_return_if_fail (message != NULL);
_dbus_return_if_fail (!message->locked);
- header = _dbus_string_get_data_len (&message->header, 1, 1);
+ header = _dbus_string_get_data_len (&message->header, FLAGS_OFFSET, 1);
- if (is_error_reply)
- *header |= DBUS_HEADER_FLAG_ERROR;
+ if (no_reply)
+ *header |= DBUS_HEADER_FLAG_NO_REPLY_EXPECTED;
else
- *header &= ~DBUS_HEADER_FLAG_ERROR;
+ *header &= ~DBUS_HEADER_FLAG_NO_REPLY_EXPECTED;
}
/**
- * Returns #TRUE if the message is an error
- * reply to some previous message we sent.
+ * Returns #TRUE if the message does not expect
+ * a reply.
*
* @param message the message
- * @returns #TRUE if the message is an error
+ * @returns #TRUE if the message sender isn't waiting for a reply
*/
dbus_bool_t
-dbus_message_get_is_error (DBusMessage *message)
+dbus_message_get_no_reply (DBusMessage *message)
+{
+ const char *header;
+
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+
+ header = _dbus_string_get_const_data_len (&message->header, FLAGS_OFFSET, 1);
+
+ return (*header & DBUS_HEADER_FLAG_NO_REPLY_EXPECTED) != 0;
+}
+
+void
+dbus_message_set_auto_activation (DBusMessage *message,
+ dbus_bool_t auto_activation)
+{
+ char *header;
+
+ _dbus_return_if_fail (message != NULL);
+ _dbus_return_if_fail (!message->locked);
+
+ header = _dbus_string_get_data_len (&message->header, FLAGS_OFFSET, 1);
+
+ if (auto_activation)
+ *header |= DBUS_HEADER_FLAG_AUTO_ACTIVATION;
+ else
+ *header &= ~DBUS_HEADER_FLAG_AUTO_ACTIVATION;
+}
+
+dbus_bool_t
+dbus_message_get_auto_activation (DBusMessage *message)
{
const char *header;
_dbus_return_val_if_fail (message != NULL, FALSE);
- header = _dbus_string_get_const_data_len (&message->header, 1, 1);
+ header = _dbus_string_get_const_data_len (&message->header, FLAGS_OFFSET, 1);
- return (*header & DBUS_HEADER_FLAG_ERROR) != 0;
+ return (*header & DBUS_HEADER_FLAG_AUTO_ACTIVATION) != 0;
}
/**
{
_dbus_return_val_if_fail (message != NULL, NULL);
- return get_string_field (message, FIELD_SENDER, NULL);
+ return get_string_field (message,
+ DBUS_HEADER_FIELD_SENDER_SERVICE,
+ NULL);
}
/**
- * Checks whether the message has the given name.
- * If the message has no name or has a different
- * name, returns #FALSE.
+ * Gets the type signature of the message, i.e. the arguments in the
+ * message payload. The signature includes only "in" arguments for
+ * #DBUS_MESSAGE_TYPE_METHOD_CALL and only "out" arguments for
+ * #DBUS_MESSAGE_TYPE_METHOD_RETURN, so is slightly different from
+ * what you might expect (it does not include the signature of the
+ * entire C++-style method).
*
+ * The signature is a string made up of type codes such
+ * as #DBUS_TYPE_STRING. The string is terminated with nul
+ * (nul is also the value of #DBUS_TYPE_INVALID).
+ *
* @param message the message
- * @param name the name to check (must not be #NULL)
+ * @returns the type signature
+ */
+const char*
+dbus_message_get_signature (DBusMessage *message)
+{
+ _dbus_return_val_if_fail (message != NULL, NULL);
+
+ return _dbus_string_get_const_data (&message->signature);
+}
+
+static dbus_bool_t
+_dbus_message_has_type_interface_member (DBusMessage *message,
+ int type,
+ const char *interface,
+ const char *method)
+{
+ const char *n;
+
+ _dbus_assert (message != NULL);
+ _dbus_assert (interface != NULL);
+ _dbus_assert (method != NULL);
+
+ if (dbus_message_get_type (message) != type)
+ return FALSE;
+
+ /* Optimize by checking the short method name first
+ * instead of the longer interface name
+ */
+
+ n = dbus_message_get_member (message);
+
+ if (n && strcmp (n, method) == 0)
+ {
+ n = dbus_message_get_interface (message);
+
+ if (n && strcmp (n, interface) == 0)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/**
+ * Checks whether the message is a method call with the given
+ * interface and member fields. If the message is not
+ * #DBUS_MESSAGE_TYPE_METHOD_CALL, or has a different interface or member field,
+ * returns #FALSE.
+ *
+ * @param message the message
+ * @param interface the name to check (must not be #NULL)
+ * @param method the name to check (must not be #NULL)
*
- * @returns #TRUE if the message has the given name
+ * @returns #TRUE if the message is the specified method call
*/
dbus_bool_t
-dbus_message_has_name (DBusMessage *message,
- const char *name)
+dbus_message_is_method_call (DBusMessage *message,
+ const char *interface,
+ const char *method)
{
- const char *n;
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (interface != NULL, FALSE);
+ _dbus_return_val_if_fail (method != NULL, FALSE);
+
+ return _dbus_message_has_type_interface_member (message,
+ DBUS_MESSAGE_TYPE_METHOD_CALL,
+ interface, method);
+}
+/**
+ * Checks whether the message is a signal with the given
+ * interface and member fields. If the message is not
+ * #DBUS_MESSAGE_TYPE_SIGNAL, or has a different interface or member field,
+ * returns #FALSE.
+ *
+ * @param message the message
+ * @param interface the name to check (must not be #NULL)
+ * @param signal_name the name to check (must not be #NULL)
+ *
+ * @returns #TRUE if the message is the specified signal
+ */
+dbus_bool_t
+dbus_message_is_signal (DBusMessage *message,
+ const char *interface,
+ const char *signal_name)
+{
_dbus_return_val_if_fail (message != NULL, FALSE);
- _dbus_return_val_if_fail (name != NULL, FALSE);
+ _dbus_return_val_if_fail (interface != NULL, FALSE);
+ _dbus_return_val_if_fail (signal_name != NULL, FALSE);
+
+ return _dbus_message_has_type_interface_member (message,
+ DBUS_MESSAGE_TYPE_SIGNAL,
+ interface, signal_name);
+}
+
+/**
+ * Checks whether the message is an error reply with the given error
+ * name. If the message is not #DBUS_MESSAGE_TYPE_ERROR, or has a
+ * different name, returns #FALSE.
+ *
+ * @param message the message
+ * @param error_name the name to check (must not be #NULL)
+ *
+ * @returns #TRUE if the message is the specified error
+ */
+dbus_bool_t
+dbus_message_is_error (DBusMessage *message,
+ const char *error_name)
+{
+ const char *n;
- n = dbus_message_get_name (message);
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (error_name != NULL, FALSE);
- if (n && strcmp (n, name) == 0)
+ if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_ERROR)
+ return FALSE;
+
+ n = dbus_message_get_error_name (message);
+
+ if (n && strcmp (n, error_name) == 0)
return TRUE;
else
return FALSE;
{
const char *s;
- _dbus_assert (service != NULL);
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (service != NULL, FALSE);
s = dbus_message_get_sender (message);
}
/**
+ * Checks whether the message has the given signature;
+ * see dbus_message_get_signature() for more details on
+ * what the signature looks like.
+ *
+ * @param message the message
+ * @param signature typecode array
+ * @returns #TRUE if message has the given signature
+*/
+dbus_bool_t
+dbus_message_has_signature (DBusMessage *message,
+ const char *signature)
+{
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (signature != NULL, FALSE);
+
+ return _dbus_string_equal_c_str (&message->signature, signature);
+}
+
+/**
* Sets a #DBusError based on the contents of the given
* message. The error is only set if the message
- * is an error message, as in dbus_message_get_is_error().
+ * is an error message, as in DBUS_MESSAGE_TYPE_ERROR.
* The name of the error is set to the name of the message,
* and the error message is set to the first argument
* if the argument exists and is a string.
_dbus_return_val_if_fail (message != NULL, FALSE);
_dbus_return_val_if_error_is_set (error, FALSE);
- if (!dbus_message_get_is_error (message))
+ if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_ERROR)
return FALSE;
str = NULL;
DBUS_TYPE_STRING, &str,
DBUS_TYPE_INVALID);
- dbus_set_error (error, dbus_message_get_name (message),
+ dbus_set_error (error, dbus_message_get_error_name (message),
str ? "%s" : NULL, str);
dbus_free (str);
* Increments the reference count of the loader.
*
* @param loader the loader.
+ * @returns the loader
*/
-void
+DBusMessageLoader *
_dbus_message_loader_ref (DBusMessageLoader *loader)
{
loader->refcount += 1;
+
+ return loader;
}
/**
*/
#define DBUS_MINIMUM_HEADER_SIZE 16
-/** Pack four characters as in "abcd" into a uint32 */
-#define FOUR_CHARS_TO_UINT32(a, b, c, d) \
- ((((dbus_uint32_t)a) << 24) | \
- (((dbus_uint32_t)b) << 16) | \
- (((dbus_uint32_t)c) << 8) | \
- ((dbus_uint32_t)d))
-
-/** DBUS_HEADER_FIELD_NAME packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_NAME_AS_UINT32 \
- FOUR_CHARS_TO_UINT32 ('n', 'a', 'm', 'e')
-
-/** DBUS_HEADER_FIELD_SERVICE packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_SERVICE_AS_UINT32 \
- FOUR_CHARS_TO_UINT32 ('s', 'r', 'v', 'c')
-
-/** DBUS_HEADER_FIELD_REPLY packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_REPLY_AS_UINT32 \
- FOUR_CHARS_TO_UINT32 ('r', 'p', 'l', 'y')
-
-/** DBUS_HEADER_FIELD_SENDER Packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_SENDER_AS_UINT32 \
- FOUR_CHARS_TO_UINT32 ('s', 'n', 'd', 'r')
-
static dbus_bool_t
decode_string_field (const DBusString *data,
- HeaderField fields[FIELD_LAST],
+ int field,
+ HeaderField *header_field,
+ DBusString *field_data,
int pos,
- int type,
- int field,
- const char *field_name)
+ int type)
{
- DBusString tmp;
int string_data_pos;
+
+ _dbus_assert (header_field != NULL);
+ _dbus_assert (field_data != NULL);
- if (fields[field].offset >= 0)
+ if (header_field->name_offset >= 0)
{
_dbus_verbose ("%s field provided twice\n",
- field_name);
+ _dbus_header_field_to_string (field));
return FALSE;
}
if (type != DBUS_TYPE_STRING)
{
_dbus_verbose ("%s field has wrong type %s\n",
- field_name, _dbus_type_to_string (type));
+ _dbus_header_field_to_string (field),
+ _dbus_type_to_string (type));
return FALSE;
}
string_data_pos = _DBUS_ALIGN_VALUE (pos, 4) + 4;
_dbus_assert (string_data_pos < _dbus_string_get_length (data));
- _dbus_string_init_const (&tmp,
+ _dbus_string_init_const (field_data,
_dbus_string_get_const_data (data) + string_data_pos);
- if (field == FIELD_NAME)
- {
- if (!_dbus_string_validate_name (&tmp, 0, _dbus_string_get_length (&tmp)))
- {
- _dbus_verbose ("%s field has invalid content \"%s\"\n",
- field_name, _dbus_string_get_const_data (&tmp));
- return FALSE;
- }
-
- if (_dbus_string_starts_with_c_str (&tmp,
- DBUS_NAMESPACE_LOCAL_MESSAGE))
- {
- _dbus_verbose ("Message is in the local namespace\n");
- return FALSE;
- }
- }
- else
- {
- if (!_dbus_string_validate_service (&tmp, 0, _dbus_string_get_length (&tmp)))
- {
- _dbus_verbose ("%s field has invalid content \"%s\"\n",
- field_name, _dbus_string_get_const_data (&tmp));
- return FALSE;
- }
- }
-
- fields[field].offset = _DBUS_ALIGN_VALUE (pos, 4);
+ header_field->name_offset = pos;
+ header_field->value_offset = _DBUS_ALIGN_VALUE (pos, 4);
#if 0
- _dbus_verbose ("Found field %s name at offset %d\n",
- field_name, fields[field].offset);
+ _dbus_verbose ("Found field %s at offset %d\n",
+ _dbus_header_field_to_string (field),
+ header_field->value_offset);
#endif
return TRUE;
}
+/* FIXME because the service/interface/member/error names are already
+ * validated to be in the particular ASCII subset, UTF-8 validating
+ * them could be skipped as a probably-interesting optimization.
+ * The UTF-8 validation definitely shows up in profiles.
+ */
static dbus_bool_t
decode_header_data (const DBusString *data,
int header_len,
int byte_order,
- HeaderField fields[FIELD_LAST],
+ int message_type,
+ HeaderField fields[DBUS_HEADER_FIELD_LAST + 1],
int *message_padding)
{
- const char *field;
+ DBusString field_data;
int pos, new_pos;
int i;
+ int field;
int type;
if (header_len < 16)
- return FALSE;
+ {
+ _dbus_verbose ("Header length %d is too short\n", header_len);
+ return FALSE;
+ }
i = 0;
- while (i < FIELD_LAST)
+ while (i <= DBUS_HEADER_FIELD_LAST)
{
- fields[i].offset = -1;
+ fields[i].name_offset = -1;
+ fields[i].value_offset = -1;
++i;
}
- fields[FIELD_HEADER_LENGTH].offset = 4;
- fields[FIELD_BODY_LENGTH].offset = 8;
- fields[FIELD_CLIENT_SERIAL].offset = 12;
-
- /* Now handle the named fields. A real named field is at least 4
- * bytes for the name, plus a type code (1 byte) plus padding. So
- * if we have less than 8 bytes left, it must be alignment padding,
- * not a field. While >= 8 bytes can't be entirely alignment
- * padding.
- */
pos = 16;
- while ((pos + 7) < header_len)
+ while (pos < header_len)
{
- pos = _DBUS_ALIGN_VALUE (pos, 4);
-
- if ((pos + 4) > header_len)
- return FALSE;
-
- field =_dbus_string_get_const_data_len (data, pos, 4);
- pos += 4;
+ field = _dbus_string_get_byte (data, pos);
+ if (field == DBUS_HEADER_FIELD_INVALID)
+ break; /* Must be padding */
+ pos++;
- _dbus_assert (_DBUS_ALIGN_ADDRESS (field, 4) == field);
-
if (!_dbus_marshal_validate_type (data, pos, &type, &pos))
{
- _dbus_verbose ("Failed to validate type of named header field\n");
+ _dbus_verbose ("Failed to validate type of named header field pos = %d\n",
+ pos);
return FALSE;
}
if (!_dbus_marshal_validate_arg (data, byte_order, 0, type, -1, pos, &new_pos))
{
- _dbus_verbose ("Failed to validate argument to named header field\n");
+ _dbus_verbose ("Failed to validate argument to named header field pos = %d\n",
+ pos);
return FALSE;
}
return FALSE;
}
- switch (DBUS_UINT32_FROM_BE (*(int*)field))
+ switch (field)
{
- case DBUS_HEADER_FIELD_SERVICE_AS_UINT32:
- if (!decode_string_field (data, fields, pos, type,
- FIELD_SERVICE,
- DBUS_HEADER_FIELD_SERVICE))
+ case DBUS_HEADER_FIELD_SERVICE:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
+ return FALSE;
+
+ if (!_dbus_string_validate_service (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("service field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+ break;
+
+ case DBUS_HEADER_FIELD_INTERFACE:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
+ return FALSE;
+
+ if (!_dbus_string_validate_interface (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("interface field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+
+ if (_dbus_string_equal_c_str (&field_data,
+ DBUS_INTERFACE_ORG_FREEDESKTOP_LOCAL))
+ {
+ _dbus_verbose ("Message is on the local interface\n");
+ return FALSE;
+ }
+ break;
+
+ case DBUS_HEADER_FIELD_MEMBER:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
+ return FALSE;
+
+ if (!_dbus_string_validate_member (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("member field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+ break;
+
+ case DBUS_HEADER_FIELD_ERROR_NAME:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
return FALSE;
+
+ if (!_dbus_string_validate_error_name (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("error-name field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
break;
+
+ case DBUS_HEADER_FIELD_SENDER_SERVICE:
+ if (!decode_string_field (data, field, &fields[field],
+ &field_data, pos, type))
+ return FALSE;
+
+ if (!_dbus_string_validate_service (&field_data, 0,
+ _dbus_string_get_length (&field_data)))
+ {
+ _dbus_verbose ("sender-service field has invalid content \"%s\"\n",
+ _dbus_string_get_const_data (&field_data));
+ return FALSE;
+ }
+ break;
+
+ case DBUS_HEADER_FIELD_PATH:
+
+ /* Path was already validated as part of standard
+ * type validation, since there's an OBJECT_PATH
+ * type.
+ */
+
+ if (fields[field].name_offset >= 0)
+ {
+ _dbus_verbose ("path field provided twice\n");
+ return FALSE;
+ }
+ if (type != DBUS_TYPE_OBJECT_PATH)
+ {
+ _dbus_verbose ("path field has wrong type\n");
+ return FALSE;
+ }
+
+ fields[field].name_offset = pos;
+ fields[field].value_offset = _DBUS_ALIGN_VALUE (pos, 4);
+
+ /* No forging signals from the local path */
+ {
+ const char *s;
+ s = _dbus_string_get_const_data_len (data,
+ fields[field].value_offset,
+ _dbus_string_get_length (data) -
+ fields[field].value_offset);
+ if (strcmp (s, DBUS_PATH_ORG_FREEDESKTOP_LOCAL) == 0)
+ {
+ _dbus_verbose ("Message is on the local path\n");
+ return FALSE;
+ }
+ }
+
+ _dbus_verbose ("Found path at offset %d\n",
+ fields[field].value_offset);
+ break;
+
+ case DBUS_HEADER_FIELD_REPLY_SERIAL:
+ if (fields[field].name_offset >= 0)
+ {
+ _dbus_verbose ("reply field provided twice\n");
+ return FALSE;
+ }
+
+ if (type != DBUS_TYPE_UINT32)
+ {
+ _dbus_verbose ("reply field has wrong type\n");
+ return FALSE;
+ }
+
+ fields[field].name_offset = pos;
+ fields[field].value_offset = _DBUS_ALIGN_VALUE (pos, 4);
+
+ _dbus_verbose ("Found reply serial %u at offset %d\n",
+ _dbus_demarshal_uint32 (data,
+ byte_order,
+ fields[field].value_offset,
+ NULL),
+ fields[field].value_offset);
+ break;
+
+ default:
+ _dbus_verbose ("Ignoring an unknown header field: %d at offset %d\n",
+ field, pos);
+ }
+
+ pos = new_pos;
+ }
+
+ if (pos < header_len)
+ {
+ /* Alignment padding, verify that it's nul */
+ if ((header_len - pos) >= 8)
+ {
+ _dbus_verbose ("too much header alignment padding\n");
+ return FALSE;
+ }
+
+ if (!_dbus_string_validate_nul (data,
+ pos, (header_len - pos)))
+ {
+ _dbus_verbose ("header alignment padding is not nul\n");
+ return FALSE;
+ }
+ }
+
+ /* Depending on message type, enforce presence of certain fields. */
+ switch (message_type)
+ {
+ case DBUS_MESSAGE_TYPE_SIGNAL:
+ case DBUS_MESSAGE_TYPE_METHOD_CALL:
+ if (fields[DBUS_HEADER_FIELD_PATH].value_offset < 0)
+ {
+ _dbus_verbose ("No path field provided\n");
+ return FALSE;
+ }
+ /* FIXME make this optional, only for method calls */
+ if (fields[DBUS_HEADER_FIELD_INTERFACE].value_offset < 0)
+ {
+ _dbus_verbose ("No interface field provided\n");
+ return FALSE;
+ }
+ if (fields[DBUS_HEADER_FIELD_MEMBER].value_offset < 0)
+ {
+ _dbus_verbose ("No member field provided\n");
+ return FALSE;
+ }
+ break;
+ case DBUS_MESSAGE_TYPE_ERROR:
+ if (fields[DBUS_HEADER_FIELD_ERROR_NAME].value_offset < 0)
+ {
+ _dbus_verbose ("No error-name field provided\n");
+ return FALSE;
+ }
+ if (fields[DBUS_HEADER_FIELD_REPLY_SERIAL].value_offset < 0)
+ {
+ _dbus_verbose ("No reply serial field provided in error\n");
+ return FALSE;
+ }
+ break;
+ case DBUS_MESSAGE_TYPE_METHOD_RETURN:
+ if (fields[DBUS_HEADER_FIELD_REPLY_SERIAL].value_offset < 0)
+ {
+ _dbus_verbose ("No reply serial field provided in method return\n");
+ return FALSE;
+ }
+ break;
+ default:
+ /* An unknown type, spec requires us to ignore it */
+ break;
+ }
+
+ if (message_padding)
+ *message_padding = header_len - pos;
+
+ return TRUE;
+}
+
+/**
+ * Returns a buffer obtained from _dbus_message_loader_get_buffer(),
+ * indicating to the loader how many bytes of the buffer were filled
+ * in. This function must always be called, even if no bytes were
+ * successfully read.
+ *
+ * @param loader the loader.
+ * @param buffer the buffer.
+ * @param bytes_read number of bytes that were read into the buffer.
+ */
+void
+_dbus_message_loader_return_buffer (DBusMessageLoader *loader,
+ DBusString *buffer,
+ int bytes_read)
+{
+ _dbus_assert (loader->buffer_outstanding);
+ _dbus_assert (buffer == &loader->data);
+
+ loader->buffer_outstanding = FALSE;
+}
+
+static dbus_bool_t
+load_one_message (DBusMessageLoader *loader,
+ int byte_order,
+ int message_type,
+ int header_len,
+ int body_len)
+{
+ DBusMessage *message;
+ HeaderField fields[DBUS_HEADER_FIELD_LAST + 1];
+ int i;
+ int next_arg;
+ dbus_bool_t oom;
+ int header_padding;
+
+ message = NULL;
+ oom = FALSE;
+
+#if 0
+ _dbus_verbose_bytes_of_string (&loader->data, 0, header_len /* + body_len */);
+#endif
+
+ if (!decode_header_data (&loader->data,
+ header_len, byte_order,
+ message_type,
+ fields, &header_padding))
+ {
+ _dbus_verbose ("Header was invalid\n");
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ next_arg = header_len;
+ while (next_arg < (header_len + body_len))
+ {
+ int type;
+ int prev = next_arg;
+
+ if (!_dbus_marshal_validate_type (&loader->data, next_arg,
+ &type, &next_arg))
+ {
+ _dbus_verbose ("invalid typecode at offset %d\n", prev);
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ if (!_dbus_marshal_validate_arg (&loader->data,
+ byte_order,
+ 0,
+ type, -1,
+ next_arg,
+ &next_arg))
+ {
+ _dbus_verbose ("invalid type data at %d, next_arg\n", next_arg);
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ _dbus_assert (next_arg > prev);
+ }
+
+ if (next_arg > (header_len + body_len))
+ {
+ _dbus_verbose ("end of last arg at %d but message has len %d+%d=%d\n",
+ next_arg, header_len, body_len,
+ header_len + body_len);
+ loader->corrupted = TRUE;
+ goto failed;
+ }
+
+ message = dbus_message_new_empty_header ();
+ if (message == NULL)
+ {
+ _dbus_verbose ("Failed to allocate empty message\n");
+ oom = TRUE;
+ goto failed;
+ }
+
+ message->byte_order = byte_order;
+ message->header_padding = header_padding;
+
+ /* Copy in the offsets we found */
+ i = 0;
+ while (i <= DBUS_HEADER_FIELD_LAST)
+ {
+ message->header_fields[i] = fields[i];
+ ++i;
+ }
+
+ if (!_dbus_list_append (&loader->messages, message))
+ {
+ _dbus_verbose ("Failed to append new message to loader queue\n");
+ oom = TRUE;
+ goto failed;
+ }
+
+ _dbus_assert (_dbus_string_get_length (&message->header) == 0);
+ _dbus_assert (_dbus_string_get_length (&message->body) == 0);
+
+ _dbus_assert (_dbus_string_get_length (&loader->data) >=
+ (header_len + body_len));
+
+ if (!_dbus_string_move_len (&loader->data, 0, header_len, &message->header, 0))
+ {
+ _dbus_verbose ("Failed to move header into new message\n");
+ oom = TRUE;
+ goto failed;
+ }
+
+ if (!_dbus_string_move_len (&loader->data, 0, body_len, &message->body, 0))
+ {
+ _dbus_verbose ("Failed to move body into new message\n");
+
+ oom = TRUE;
+ goto failed;
+ }
- case DBUS_HEADER_FIELD_NAME_AS_UINT32:
- if (!decode_string_field (data, fields, pos, type,
- FIELD_NAME,
- DBUS_HEADER_FIELD_NAME))
- return FALSE;
- break;
+ _dbus_assert (_dbus_string_get_length (&message->header) == header_len);
+ _dbus_assert (_dbus_string_get_length (&message->body) == body_len);
- case DBUS_HEADER_FIELD_SENDER_AS_UINT32:
- if (!decode_string_field (data, fields, pos, type,
- FIELD_SENDER,
- DBUS_HEADER_FIELD_SENDER))
- return FALSE;
- break;
+ /* Fill in caches (we checked the types of these fields
+ * earlier)
+ */
+ message->reply_serial = get_uint_field (message,
+ DBUS_HEADER_FIELD_REPLY_SERIAL);
+
+ message->client_serial = _dbus_demarshal_uint32 (&message->header,
+ message->byte_order,
+ CLIENT_SERIAL_OFFSET,
+ NULL);
+ if (message->client_serial == 0 ||
+ (message->header_fields[DBUS_HEADER_FIELD_REPLY_SERIAL].value_offset >= 0 && message->reply_serial == 0))
+ {
+ _dbus_verbose ("client_serial = %d reply_serial = %d, one of these no good\n",
+ message->client_serial,
+ message->reply_serial);
+
+ loader->corrupted = TRUE;
+ goto failed;
+ }
- case DBUS_HEADER_FIELD_REPLY_AS_UINT32:
- if (fields[FIELD_REPLY_SERIAL].offset >= 0)
- {
- _dbus_verbose ("%s field provided twice\n",
- DBUS_HEADER_FIELD_REPLY);
- return FALSE;
- }
+ /* Fill in signature (FIXME should do this during validation,
+ * but I didn't want to spend time on it since we want to change
+ * the wire format to contain the signature anyway)
+ */
+ {
+ DBusMessageIter iter;
- if (type != DBUS_TYPE_UINT32)
- {
- _dbus_verbose ("%s field has wrong type\n", DBUS_HEADER_FIELD_REPLY);
- return FALSE;
- }
+ dbus_message_iter_init (message, &iter);
+
+ do
+ {
+ int t;
+
+ t = dbus_message_iter_get_arg_type (&iter);
+ if (t == DBUS_TYPE_INVALID)
+ break;
+
+ if (!_dbus_string_append_byte (&message->signature,
+ t))
+ {
+ _dbus_verbose ("failed to append type byte to signature\n");
+ oom = TRUE;
+ goto failed;
+ }
+
+ if (t == DBUS_TYPE_ARRAY)
+ {
+ DBusMessageIter child_iter;
+ int array_type = t;
+
+ child_iter = iter;
+
+ while (array_type == DBUS_TYPE_ARRAY)
+ {
+ DBusMessageIter parent_iter = child_iter;
+ dbus_message_iter_init_array_iterator (&parent_iter,
+ &child_iter,
+ &array_type);
+
+ if (!_dbus_string_append_byte (&message->signature,
+ array_type))
+ {
+ _dbus_verbose ("failed to append array type byte to signature\n");
+
+ oom = TRUE;
+ goto failed;
+ }
+ }
+ }
+ }
+ while (dbus_message_iter_next (&iter));
+ }
- fields[FIELD_REPLY_SERIAL].offset = _DBUS_ALIGN_VALUE (pos, 4);
+ _dbus_verbose ("Loaded message %p\n", message);
- _dbus_verbose ("Found reply serial at offset %d\n",
- fields[FIELD_REPLY_SERIAL].offset);
- break;
+ _dbus_assert (!oom);
+ _dbus_assert (!loader->corrupted);
- default:
- _dbus_verbose ("Ignoring an unknown header field: %c%c%c%c at offset %d\n",
- field[0], field[1], field[2], field[3], pos);
- }
-
- pos = new_pos;
- }
+ return TRUE;
- if (pos < header_len)
+ failed:
+
+ /* Clean up */
+
+ if (message != NULL)
{
- /* Alignment padding, verify that it's nul */
- _dbus_assert ((header_len - pos) < 8);
-
- if (!_dbus_string_validate_nul (data,
- pos, (header_len - pos)))
+ /* Put the data back so we can try again later if it was an OOM issue */
+ if (_dbus_string_get_length (&message->body) > 0)
{
- _dbus_verbose ("header alignment padding is not nul\n");
- return FALSE;
+ dbus_bool_t result;
+
+ result = _dbus_string_copy_len (&message->body, 0, body_len,
+ &loader->data, 0);
+
+ _dbus_assert (result); /* because DBusString never reallocs smaller */
+ }
+
+ if (_dbus_string_get_length (&message->header) > 0)
+ {
+ dbus_bool_t result;
+
+ result = _dbus_string_copy_len (&message->header, 0, header_len,
+ &loader->data, 0);
+
+ _dbus_assert (result); /* because DBusString never reallocs smaller */
}
- }
- /* Name field is mandatory */
- if (fields[FIELD_NAME].offset < 0)
- {
- _dbus_verbose ("No %s field provided\n",
- DBUS_HEADER_FIELD_NAME);
- return FALSE;
- }
-
- if (message_padding)
- *message_padding = header_len - pos;
-
- return TRUE;
-}
+ /* does nothing if the message isn't in the list */
+ _dbus_list_remove_last (&loader->messages, message);
-/**
- * Returns a buffer obtained from _dbus_message_loader_get_buffer(),
- * indicating to the loader how many bytes of the buffer were filled
- * in. This function must always be called, even if no bytes were
- * successfully read.
- *
- * @param loader the loader.
- * @param buffer the buffer.
- * @param bytes_read number of bytes that were read into the buffer.
- */
-void
-_dbus_message_loader_return_buffer (DBusMessageLoader *loader,
- DBusString *buffer,
- int bytes_read)
-{
- _dbus_assert (loader->buffer_outstanding);
- _dbus_assert (buffer == &loader->data);
+ dbus_message_unref (message);
+ }
- loader->buffer_outstanding = FALSE;
+
+ return !oom;
}
/**
* Converts buffered data into messages.
*
+ * @todo we need to check that the proper named header fields exist
+ * for each message type.
+ *
+ * @todo If a message has unknown type, we should probably eat it
+ * right here rather than passing it out to applications. However
+ * it's not an error to see messages of unknown type.
+ *
* @param loader the loader.
* @returns #TRUE if we had enough memory to finish.
*/
dbus_bool_t
_dbus_message_loader_queue_messages (DBusMessageLoader *loader)
{
- if (loader->corrupted)
- return TRUE;
-
- while (_dbus_string_get_length (&loader->data) >= 16)
+ while (!loader->corrupted && _dbus_string_get_length (&loader->data) >= 16)
{
- DBusMessage *message;
const char *header_data;
- int byte_order, header_len, body_len, header_padding;
+ int byte_order, message_type, header_len, body_len;
dbus_uint32_t header_len_unsigned, body_len_unsigned;
header_data = _dbus_string_get_const_data_len (&loader->data, 0, 16);
_dbus_assert (_DBUS_ALIGN_ADDRESS (header_data, 4) == header_data);
- if (header_data[2] != DBUS_MAJOR_PROTOCOL_VERSION)
+ if (header_data[VERSION_OFFSET] != DBUS_MAJOR_PROTOCOL_VERSION)
{
_dbus_verbose ("Message has protocol version %d ours is %d\n",
- (int) header_data[2], DBUS_MAJOR_PROTOCOL_VERSION);
+ (int) header_data[VERSION_OFFSET], DBUS_MAJOR_PROTOCOL_VERSION);
loader->corrupted = TRUE;
return TRUE;
}
- byte_order = header_data[0];
+ byte_order = header_data[BYTE_ORDER_OFFSET];
if (byte_order != DBUS_LITTLE_ENDIAN &&
byte_order != DBUS_BIG_ENDIAN)
return TRUE;
}
+ /* Unknown types are ignored, but INVALID is
+ * disallowed
+ */
+ message_type = header_data[TYPE_OFFSET];
+ if (message_type == DBUS_MESSAGE_TYPE_INVALID)
+ {
+ _dbus_verbose ("Message with bad type '%d' received\n",
+ message_type);
+ loader->corrupted = TRUE;
+ return TRUE;
+ }
+
header_len_unsigned = _dbus_unpack_uint32 (byte_order, header_data + 4);
body_len_unsigned = _dbus_unpack_uint32 (byte_order, header_data + 8);
if (_dbus_string_get_length (&loader->data) >= (header_len + body_len))
{
- HeaderField fields[FIELD_LAST];
- int i;
- int next_arg;
-
-#if 0
- _dbus_verbose_bytes_of_string (&loader->data, 0, header_len + body_len);
-#endif
- if (!decode_header_data (&loader->data, header_len, byte_order,
- fields, &header_padding))
- {
- _dbus_verbose ("Header was invalid\n");
- loader->corrupted = TRUE;
- return TRUE;
- }
-
- next_arg = header_len;
- while (next_arg < (header_len + body_len))
- {
- int type;
- int prev = next_arg;
-
- if (!_dbus_marshal_validate_type (&loader->data, next_arg,
- &type, &next_arg))
- {
- _dbus_verbose ("invalid typecode at offset %d\n", prev);
- loader->corrupted = TRUE;
- return TRUE;
- }
-
- if (!_dbus_marshal_validate_arg (&loader->data,
- byte_order,
- 0,
- type, -1,
- next_arg,
- &next_arg))
- {
- _dbus_verbose ("invalid type data at %d, next_arg\n", next_arg);
- loader->corrupted = TRUE;
- return TRUE;
- }
-
- _dbus_assert (next_arg > prev);
- }
-
- if (next_arg > (header_len + body_len))
- {
- _dbus_verbose ("end of last arg at %d but message has len %d+%d=%d\n",
- next_arg, header_len, body_len,
- header_len + body_len);
- loader->corrupted = TRUE;
- return TRUE;
- }
-
- message = dbus_message_new_empty_header ();
- if (message == NULL)
- {
- _dbus_verbose ("Failed to allocate empty message\n");
- return FALSE;
- }
-
- message->byte_order = byte_order;
- message->header_padding = header_padding;
-
- /* Copy in the offsets we found */
- i = 0;
- while (i < FIELD_LAST)
- {
- message->header_fields[i] = fields[i];
- ++i;
- }
-
- if (!_dbus_list_append (&loader->messages, message))
- {
- _dbus_verbose ("Failed to append new message to loader queue\n");
- dbus_message_unref (message);
- return FALSE;
- }
-
- _dbus_assert (_dbus_string_get_length (&message->header) == 0);
- _dbus_assert (_dbus_string_get_length (&message->body) == 0);
-
- _dbus_assert (_dbus_string_get_length (&loader->data) >=
- (header_len + body_len));
-
- if (!_dbus_string_move_len (&loader->data, 0, header_len, &message->header, 0))
- {
- _dbus_verbose ("Failed to move header into new message\n");
- _dbus_list_remove_last (&loader->messages, message);
- dbus_message_unref (message);
- return FALSE;
- }
-
- if (!_dbus_string_move_len (&loader->data, 0, body_len, &message->body, 0))
- {
- dbus_bool_t result;
-
- _dbus_verbose ("Failed to move body into new message\n");
-
- /* put the header back, we'll try again later */
- result = _dbus_string_copy_len (&message->header, 0, header_len,
- &loader->data, 0);
- _dbus_assert (result); /* because DBusString never reallocs smaller */
-
- _dbus_list_remove_last (&loader->messages, message);
- dbus_message_unref (message);
- return FALSE;
- }
-
- _dbus_assert (_dbus_string_get_length (&message->header) == header_len);
- _dbus_assert (_dbus_string_get_length (&message->body) == body_len);
-
- /* Fill in caches (we checked the types of these fields
- * earlier)
- */
- message->reply_serial = get_uint_field (message,
- FIELD_REPLY_SERIAL);
- message->client_serial = get_uint_field (message,
- FIELD_CLIENT_SERIAL);
-
- _dbus_verbose ("Loaded message %p\n", message);
+ if (!load_one_message (loader, byte_order, message_type,
+ header_len, body_len))
+ return FALSE;
}
else
return TRUE;
return loader->max_message_size;
}
+static DBusDataSlotAllocator slot_allocator;
+_DBUS_DEFINE_GLOBAL_LOCK (message_slots);
+
+/**
+ * Allocates an integer ID to be used for storing application-specific
+ * data on any DBusMessage. The allocated ID may then be used
+ * with dbus_message_set_data() and dbus_message_get_data().
+ * The passed-in slot must be initialized to -1, and is filled in
+ * with the slot ID. If the passed-in slot is not -1, it's assumed
+ * to be already allocated, and its refcount is incremented.
+ *
+ * The allocated slot is global, i.e. all DBusMessage objects will
+ * have a slot with the given integer ID reserved.
+ *
+ * @param slot_p address of a global variable storing the slot
+ * @returns #FALSE on failure (no memory)
+ */
+dbus_bool_t
+dbus_message_allocate_data_slot (dbus_int32_t *slot_p)
+{
+ return _dbus_data_slot_allocator_alloc (&slot_allocator,
+ _DBUS_LOCK_NAME (message_slots),
+ slot_p);
+}
+
+/**
+ * Deallocates a global ID for message data slots.
+ * dbus_message_get_data() and dbus_message_set_data() may no
+ * longer be used with this slot. Existing data stored on existing
+ * DBusMessage objects will be freed when the message is
+ * finalized, but may not be retrieved (and may only be replaced if
+ * someone else reallocates the slot). When the refcount on the
+ * passed-in slot reaches 0, it is set to -1.
+ *
+ * @param slot_p address storing the slot to deallocate
+ */
+void
+dbus_message_free_data_slot (dbus_int32_t *slot_p)
+{
+ _dbus_return_if_fail (*slot_p >= 0);
+
+ _dbus_data_slot_allocator_free (&slot_allocator, slot_p);
+}
+
+/**
+ * Stores a pointer on a DBusMessage, along
+ * with an optional function to be used for freeing
+ * the data when the data is set again, or when
+ * the message is finalized. The slot number
+ * must have been allocated with dbus_message_allocate_data_slot().
+ *
+ * @param message the message
+ * @param slot the slot number
+ * @param data the data to store
+ * @param free_data_func finalizer function for the data
+ * @returns #TRUE if there was enough memory to store the data
+ */
+dbus_bool_t
+dbus_message_set_data (DBusMessage *message,
+ dbus_int32_t slot,
+ void *data,
+ DBusFreeFunction free_data_func)
+{
+ DBusFreeFunction old_free_func;
+ void *old_data;
+ dbus_bool_t retval;
+
+ _dbus_return_val_if_fail (message != NULL, FALSE);
+ _dbus_return_val_if_fail (slot >= 0, FALSE);
+
+ retval = _dbus_data_slot_list_set (&slot_allocator,
+ &message->slot_list,
+ slot, data, free_data_func,
+ &old_free_func, &old_data);
+
+ if (retval)
+ {
+ /* Do the actual free outside the message lock */
+ if (old_free_func)
+ (* old_free_func) (old_data);
+ }
+
+ return retval;
+}
+
+/**
+ * Retrieves data previously set with dbus_message_set_data().
+ * The slot must still be allocated (must not have been freed).
+ *
+ * @param message the message
+ * @param slot the slot to get data from
+ * @returns the data, or #NULL if not found
+ */
+void*
+dbus_message_get_data (DBusMessage *message,
+ dbus_int32_t slot)
+{
+ void *res;
+
+ _dbus_return_val_if_fail (message != NULL, NULL);
+
+ res = _dbus_data_slot_list_get (&slot_allocator,
+ &message->slot_list,
+ slot);
+
+ return res;
+}
+
+/**
+ * Utility function to convert a machine-readable (not translated)
+ * string into a D-BUS message type.
+ *
+ * @code
+ * "method_call" -> DBUS_MESSAGE_TYPE_METHOD_CALL
+ * "method_return" -> DBUS_MESSAGE_TYPE_METHOD_RETURN
+ * "signal" -> DBUS_MESSAGE_TYPE_SIGNAL
+ * "error" -> DBUS_MESSAGE_TYPE_ERROR
+ * anything else -> DBUS_MESSAGE_TYPE_INVALID
+ * @endcode
+ *
+ */
+int
+dbus_message_type_from_string (const char *type_str)
+{
+ if (strcmp (type_str, "method_call") == 0)
+ return DBUS_MESSAGE_TYPE_METHOD_CALL;
+ if (strcmp (type_str, "method_return") == 0)
+ return DBUS_MESSAGE_TYPE_METHOD_RETURN;
+ else if (strcmp (type_str, "signal") == 0)
+ return DBUS_MESSAGE_TYPE_SIGNAL;
+ else if (strcmp (type_str, "error") == 0)
+ return DBUS_MESSAGE_TYPE_ERROR;
+ else
+ return DBUS_MESSAGE_TYPE_INVALID;
+}
+
/** @} */
#ifdef DBUS_BUILD_TESTS
#include "dbus-test.h"
#include <stdio.h>
+#include <stdlib.h>
static void
message_iter_test (DBusMessage *message)
{
- DBusMessageIter iter, dict, array, array2;
+ DBusMessageIter iter, dict, dict2, array, array2;
char *str;
unsigned char *data;
dbus_int32_t *our_int_array;
_dbus_assert_not_reached ("Array type not double");
- if (!dbus_message_iter_init_array_iterator (&iter, &array, NULL))
- _dbus_assert_not_reached ("Array init failed");
+ dbus_message_iter_init_array_iterator (&iter, &array, NULL);
if (dbus_message_iter_get_arg_type (&array) != DBUS_TYPE_DOUBLE)
_dbus_assert_not_reached ("Argument type isn't double");
if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_DICT)
_dbus_assert_not_reached ("not dict type");
- if (!dbus_message_iter_init_dict_iterator (&iter, &dict))
- _dbus_assert_not_reached ("dict iter failed");
+ dbus_message_iter_init_dict_iterator (&iter, &dict);
str = dbus_message_iter_get_dict_key (&dict);
if (str == NULL || strcmp (str, "test") != 0)
if (dbus_message_iter_get_uint32 (&dict) != 0xDEADBEEF)
_dbus_assert_not_reached ("wrong dict entry value");
+ /* dict (in dict) */
+
+ if (!dbus_message_iter_next (&dict))
+ _dbus_assert_not_reached ("reached end of dict");
+
+ if (dbus_message_iter_get_arg_type (&dict) != DBUS_TYPE_DICT)
+ _dbus_assert_not_reached ("not dict type");
+
+ dbus_message_iter_init_dict_iterator (&dict, &dict2);
+
+ str = dbus_message_iter_get_dict_key (&dict2);
+ if (str == NULL || strcmp (str, "dictkey") != 0)
+ _dbus_assert_not_reached ("wrong dict key");
+ dbus_free (str);
+
+ if (dbus_message_iter_get_arg_type (&dict2) != DBUS_TYPE_STRING)
+ _dbus_assert_not_reached ("wrong dict entry type");
+
+ str = dbus_message_iter_get_string (&dict2);
+ if (str == NULL || strcmp (str, "dictvalue") != 0)
+ _dbus_assert_not_reached ("wrong dict entry value");
+ dbus_free (str);
+
+ if (dbus_message_iter_next (&dict2))
+ _dbus_assert_not_reached ("didn't reach end of dict");
+
if (!dbus_message_iter_next (&dict))
_dbus_assert_not_reached ("reached end of dict");
if (dbus_message_iter_get_array_type (&dict) != DBUS_TYPE_ARRAY)
_dbus_assert_not_reached ("Array type not array");
- if (!dbus_message_iter_init_array_iterator (&dict, &array, NULL))
- _dbus_assert_not_reached ("Array init failed");
+ dbus_message_iter_init_array_iterator (&dict, &array, NULL);
if (dbus_message_iter_get_arg_type (&array) != DBUS_TYPE_ARRAY)
_dbus_assert_not_reached ("Argument type isn't array");
if (dbus_message_iter_get_array_type (&array) != DBUS_TYPE_INT32)
_dbus_assert_not_reached ("Array type not int32");
- if (!dbus_message_iter_init_array_iterator (&array, &array2, NULL))
- _dbus_assert_not_reached ("Array init failed");
+ dbus_message_iter_init_array_iterator (&array, &array2, NULL);
if (dbus_message_iter_get_arg_type (&array2) != DBUS_TYPE_INT32)
_dbus_assert_not_reached ("Argument type isn't int32");
if (!dbus_message_iter_next (&iter))
_dbus_assert_not_reached ("Reached end of arguments");
- if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_NAMED)
+ if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_CUSTOM)
_dbus_assert_not_reached ("wrong type after dict");
- if (!dbus_message_iter_get_named (&iter, &str, &data, &len))
- _dbus_assert_not_reached ("failed to get named");
+ if (!dbus_message_iter_get_custom (&iter, &str, &data, &len))
+ _dbus_assert_not_reached ("failed to get custom type");
- _dbus_assert (strcmp (str, "named")==0);
+ _dbus_assert (strcmp (str, "MyTypeName")==0);
_dbus_assert (len == 5);
_dbus_assert (strcmp (data, "data")==0);
dbus_free (str);
dbus_free (data);
+ if (!dbus_message_iter_next (&iter))
+ _dbus_assert_not_reached ("Reached end of arguments");
+
+ if (dbus_message_iter_get_byte (&iter) != 0xF0)
+ _dbus_assert_not_reached ("wrong value after custom");
+
if (dbus_message_iter_next (&iter))
_dbus_assert_not_reached ("Didn't reach end of arguments");
}
dbus_free (str);
}
break;
- case DBUS_TYPE_NAMED:
+ case DBUS_TYPE_CUSTOM:
{
char *name;
unsigned char *data;
int len;
- if (!dbus_message_iter_get_named (iter, &name, &data, &len))
+ if (!dbus_message_iter_get_custom (iter, &name, &data, &len))
{
- _dbus_warn ("error reading name from named type\n");
+ _dbus_warn ("error reading name from custom type\n");
return FALSE;
}
dbus_free (data);
{
int array_type;
- if (!dbus_message_iter_init_array_iterator (iter, &child_iter, &array_type))
- {
- _dbus_warn ("Failed to init array iterator\n");
- return FALSE;
- }
+ dbus_message_iter_init_array_iterator (iter, &child_iter, &array_type);
while (dbus_message_iter_has_next (&child_iter))
{
int entry_type;
char *key;
- if (!dbus_message_iter_init_dict_iterator (iter, &child_iter))
- {
- _dbus_warn ("Failed to init dict iterator\n");
- return FALSE;
- }
+ dbus_message_iter_init_dict_iterator (iter, &child_iter);
while ((entry_type = dbus_message_iter_get_arg_type (&child_iter)) != DBUS_TYPE_INVALID)
{
client_serial = dbus_message_get_serial (message);
/* can't use set_serial due to the assertions at the start of it */
- set_uint_field (message, FIELD_CLIENT_SERIAL,
- client_serial);
+ _dbus_marshal_set_uint32 (&message->header,
+ message->byte_order,
+ CLIENT_SERIAL_OFFSET,
+ client_serial);
if (client_serial != dbus_message_get_serial (message))
{
goto failed;
}
- printf ("Testing:\n");
+ printf ("Testing %s:\n", subdir);
next:
while (_dbus_directory_get_next_file (dir, &filename, &error))
printf (" %s\n",
_dbus_string_get_const_data (&filename));
- _dbus_verbose (" expecting %s\n",
+ _dbus_verbose (" expecting %s for %s\n",
validity == _DBUS_MESSAGE_VALID ? "valid" :
(validity == _DBUS_MESSAGE_INVALID ? "invalid" :
- (validity == _DBUS_MESSAGE_INCOMPLETE ? "incomplete" : "unknown")));
+ (validity == _DBUS_MESSAGE_INCOMPLETE ? "incomplete" : "unknown")),
+ _dbus_string_get_const_data (&filename));
if (! (*function) (&full_path, is_raw, validity, user_data))
{
_dbus_assert_not_reached ("integers differ!");
#ifdef DBUS_HAVE_INT64
- if (our_int64 != -0x123456789abcd)
+ if (our_int64 != DBUS_INT64_CONSTANT (-0x123456789abcd))
_dbus_assert_not_reached ("64-bit integers differ!");
- if (our_uint64 != 0x123456789abcd)
+ if (our_uint64 != DBUS_UINT64_CONSTANT (0x123456789abcd))
_dbus_assert_not_reached ("64-bit unsigned integers differ!");
#endif
if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_DICT)
_dbus_assert_not_reached ("not dict type");
- if (!dbus_message_iter_init_dict_iterator (&iter, &dict))
- _dbus_assert_not_reached ("dict iter failed");
+ dbus_message_iter_init_dict_iterator (&iter, &dict);
our_str = dbus_message_iter_get_dict_key (&dict);
if (our_str == NULL || strcmp (our_str, "test") != 0)
const double our_double_array[] = { 0.1234, 9876.54321, -300.0 };
const unsigned char our_byte_array[] = { 'a', 'b', 'c', 234 };
const unsigned char our_boolean_array[] = { TRUE, FALSE, TRUE, TRUE, FALSE };
+ char sig[64];
+ const char *s;
+ char *t;
+ DBusError error;
_dbus_assert (sizeof (DBusMessageRealIter) <= sizeof (DBusMessageIter));
- message = dbus_message_new ("test.Message", "org.freedesktop.DBus.Test");
- _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.Test"));
+ message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+ "/org/freedesktop/TestPath",
+ "Foo.TestInterface",
+ "TestMethod");
+ _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.TestService"));
+ _dbus_assert (dbus_message_is_method_call (message, "Foo.TestInterface",
+ "TestMethod"));
+ _dbus_assert (strcmp (dbus_message_get_path (message),
+ "/org/freedesktop/TestPath") == 0);
_dbus_message_set_serial (message, 1234);
- dbus_message_set_sender (message, "org.foo.bar");
- _dbus_assert (dbus_message_has_sender (message, "org.foo.bar"));
- dbus_message_set_sender (message, NULL);
- _dbus_assert (!dbus_message_has_sender (message, "org.foo.bar"));
+ /* string length including nul byte not a multiple of 4 */
+ if (!dbus_message_set_sender (message, "org.foo.bar1"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (dbus_message_has_sender (message, "org.foo.bar1"));
+ dbus_message_set_reply_serial (message, 5678);
+ if (!dbus_message_set_sender (message, NULL))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (!dbus_message_has_sender (message, "org.foo.bar1"));
_dbus_assert (dbus_message_get_serial (message) == 1234);
- _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.Test"));
-
- _dbus_assert (dbus_message_get_is_error (message) == FALSE);
- dbus_message_set_is_error (message, TRUE);
- _dbus_assert (dbus_message_get_is_error (message) == TRUE);
- dbus_message_set_is_error (message, FALSE);
- _dbus_assert (dbus_message_get_is_error (message) == FALSE);
+ _dbus_assert (dbus_message_get_reply_serial (message) == 5678);
+ _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.TestService"));
+
+ _dbus_assert (dbus_message_get_no_reply (message) == FALSE);
+ dbus_message_set_no_reply (message, TRUE);
+ _dbus_assert (dbus_message_get_no_reply (message) == TRUE);
+ dbus_message_set_no_reply (message, FALSE);
+ _dbus_assert (dbus_message_get_no_reply (message) == FALSE);
+
+ /* Set/get some header fields */
+
+ if (!dbus_message_set_path (message, "/foo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_path (message),
+ "/foo") == 0);
+
+ if (!dbus_message_set_interface (message, "org.Foo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_interface (message),
+ "org.Foo") == 0);
+
+ if (!dbus_message_set_member (message, "Bar"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_member (message),
+ "Bar") == 0);
+
+ /* Set/get them with longer values */
+ if (!dbus_message_set_path (message, "/foo/bar"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_path (message),
+ "/foo/bar") == 0);
+
+ if (!dbus_message_set_interface (message, "org.Foo.Bar"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_interface (message),
+ "org.Foo.Bar") == 0);
+
+ if (!dbus_message_set_member (message, "BarFoo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_member (message),
+ "BarFoo") == 0);
+
+ /* Realloc shorter again */
+
+ if (!dbus_message_set_path (message, "/foo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_path (message),
+ "/foo") == 0);
+
+ if (!dbus_message_set_interface (message, "org.Foo"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_interface (message),
+ "org.Foo") == 0);
+
+ if (!dbus_message_set_member (message, "Bar"))
+ _dbus_assert_not_reached ("out of memory");
+ _dbus_assert (strcmp (dbus_message_get_member (message),
+ "Bar") == 0);
dbus_message_unref (message);
/* Test the vararg functions */
- message = dbus_message_new ("test.Message", "org.freedesktop.DBus.Test");
+ message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+ "/org/freedesktop/TestPath",
+ "Foo.TestInterface",
+ "TestMethod");
_dbus_message_set_serial (message, 1);
dbus_message_append_args (message,
DBUS_TYPE_INT32, -0x12345678,
#ifdef DBUS_HAVE_INT64
- DBUS_TYPE_INT64, -0x123456789abcd,
- DBUS_TYPE_UINT64, 0x123456789abcd,
+ DBUS_TYPE_INT64, DBUS_INT64_CONSTANT (-0x123456789abcd),
+ DBUS_TYPE_UINT64, DBUS_UINT64_CONSTANT (0x123456789abcd),
#endif
DBUS_TYPE_STRING, "Test string",
DBUS_TYPE_DOUBLE, 3.14159,
_DBUS_N_ELEMENTS (our_uint32_array),
DBUS_TYPE_ARRAY, DBUS_TYPE_INT32, our_int32_array,
_DBUS_N_ELEMENTS (our_int32_array),
+#ifdef DBUS_HAVE_INT64
DBUS_TYPE_ARRAY, DBUS_TYPE_UINT64, our_uint64_array,
_DBUS_N_ELEMENTS (our_uint64_array),
DBUS_TYPE_ARRAY, DBUS_TYPE_INT64, our_int64_array,
_DBUS_N_ELEMENTS (our_int64_array),
+#endif
DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, our_string_array,
_DBUS_N_ELEMENTS (our_string_array),
DBUS_TYPE_ARRAY, DBUS_TYPE_DOUBLE, our_double_array,
dbus_message_iter_append_dict_key (&child_iter, "test");
dbus_message_iter_append_uint32 (&child_iter, 0xDEADBEEF);
dbus_message_iter_append_uint32 (&iter, 0xCAFEBABE);
+
+ i = 0;
+ sig[i++] = DBUS_TYPE_INT32;
+#ifdef DBUS_HAVE_INT64
+ sig[i++] = DBUS_TYPE_INT64;
+ sig[i++] = DBUS_TYPE_UINT64;
+#endif
+ sig[i++] = DBUS_TYPE_STRING;
+ sig[i++] = DBUS_TYPE_DOUBLE;
+ sig[i++] = DBUS_TYPE_BOOLEAN;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_UINT32;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_INT32;
+#ifdef DBUS_HAVE_INT64
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_UINT64;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_INT64;
+#endif
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_STRING;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_DOUBLE;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_BYTE;
+ sig[i++] = DBUS_TYPE_ARRAY;
+ sig[i++] = DBUS_TYPE_BOOLEAN;
+ sig[i++] = DBUS_TYPE_DICT;
+ sig[i++] = DBUS_TYPE_UINT32;
+ sig[i++] = DBUS_TYPE_INVALID;
+
+ _dbus_assert (i < (int) _DBUS_N_ELEMENTS (sig));
_dbus_verbose_bytes_of_string (&message->header, 0,
_dbus_string_get_length (&message->header));
_dbus_verbose_bytes_of_string (&message->body, 0,
_dbus_string_get_length (&message->body));
-
+
+ _dbus_verbose ("Signature expected \"%s\" actual \"%s\"\n",
+ sig, dbus_message_get_signature (message));
+
+ s = dbus_message_get_signature (message);
+
+ _dbus_assert (dbus_message_has_signature (message, sig));
+ _dbus_assert (strcmp (s, sig) == 0);
+
verify_test_message (message);
copy = dbus_message_copy (message);
_dbus_assert (_dbus_string_get_length (&message->body) ==
_dbus_string_get_length (©->body));
+ _dbus_assert (_dbus_string_get_length (&message->signature) ==
+ _dbus_string_get_length (©->signature));
+
verify_test_message (copy);
- name1 = dbus_message_get_name (message);
- name2 = dbus_message_get_name (copy);
+ name1 = dbus_message_get_interface (message);
+ name2 = dbus_message_get_interface (copy);
+
+ _dbus_assert (strcmp (name1, name2) == 0);
+
+ name1 = dbus_message_get_member (message);
+ name2 = dbus_message_get_member (copy);
_dbus_assert (strcmp (name1, name2) == 0);
- dbus_message_unref (message);
+ dbus_message_unref (message);
dbus_message_unref (copy);
-
- message = dbus_message_new ("test.Message", "org.freedesktop.DBus.Test");
+
+ message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+ "/org/freedesktop/TestPath",
+ "Foo.TestInterface",
+ "TestMethod");
+
_dbus_message_set_serial (message, 1);
dbus_message_set_reply_serial (message, 0x12345678);
dbus_message_iter_append_dict_key (&child_iter, "test");
dbus_message_iter_append_uint32 (&child_iter, 0xDEADBEEF);
+ /* dict (in dict) */
+ dbus_message_iter_append_dict_key (&child_iter, "testdict");
+ dbus_message_iter_append_dict (&child_iter, &child_iter2);
+
+ dbus_message_iter_append_dict_key (&child_iter2, "dictkey");
+ dbus_message_iter_append_string (&child_iter2, "dictvalue");
+
/* array of array of int32 (in dict) */
dbus_message_iter_append_dict_key (&child_iter, "array");
dbus_message_iter_append_array (&child_iter, &child_iter2, DBUS_TYPE_ARRAY);
dbus_message_iter_append_nil (&iter);
- dbus_message_iter_append_named (&iter, "named",
- "data", 5);
+ dbus_message_iter_append_custom (&iter, "MyTypeName",
+ "data", 5);
- message_iter_test (message);
+ dbus_message_iter_append_byte (&iter, 0xF0);
+ message_iter_test (message);
+
/* Message loader test */
_dbus_message_lock (message);
loader = _dbus_message_loader_new ();
_dbus_message_loader_return_buffer (loader, buffer, 1);
}
+ copy = dbus_message_copy (message); /* save for tests below */
dbus_message_unref (message);
/* Now pop back the message */
dbus_message_unref (message);
_dbus_message_loader_unref (loader);
+ message = dbus_message_new_method_return (copy);
+ if (message == NULL)
+ _dbus_assert_not_reached ("out of memory\n");
+ dbus_message_unref (copy);
+
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_STRING, "hello",
+ DBUS_TYPE_INVALID))
+ _dbus_assert_not_reached ("no memory");
+
+ if (!dbus_message_has_signature (message, "s"))
+ _dbus_assert_not_reached ("method return has wrong signature");
+
+ dbus_error_init (&error);
+ if (!dbus_message_get_args (message, &error, DBUS_TYPE_STRING,
+ &t, DBUS_TYPE_INVALID))
+
+ {
+ _dbus_warn ("Failed to get expected string arg: %s\n", error.message);
+ exit (1);
+ }
+ dbus_free (t);
+
+ dbus_message_unref (message);
+
/* Now load every message in test_data_dir if we have one */
if (test_data_dir == NULL)
return TRUE;
projects / platform / upstream / dbus.git / blobdiff