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Migrated transform_attribute to INIT/METHOD macros

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Martin Willi
2011-01-05 16:45:51 +01:00
parent 423745b652
commit 6b69c03d13
1 changed files with 76 additions and 143 deletions
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src/libcharon/encoding/payloads/transform_attribute.c
+76 -143
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@@ -1,5 +1,6 @@
/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005-2010 Martin Willi
* Copyright (C) 2010 revosec AG
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
*
@@ -26,9 +27,9 @@ typedef struct private_transform_attribute_t private_transform_attribute_t;
/**
* Private data of an transform_attribute_t object.
*
*/
struct private_transform_attribute_t {
/**
* Public transform_attribute_t interface.
*/
@@ -70,7 +71,6 @@ ENUM_END(transform_attribute_type_name, KEY_LENGTH);
*
* The defined offsets are the positions in a object of type
* private_transform_attribute_t.
*
*/
encoding_rule_t transform_attribute_encodings[] = {
/* Flag defining the format of this payload */
@@ -78,7 +78,7 @@ encoding_rule_t transform_attribute_encodings[] = {
/* type of the attribute as 15 bit unsigned integer */
{ ATTRIBUTE_TYPE, offsetof(private_transform_attribute_t, attribute_type) },
/* Length or value, depending on the attribute format flag */
{ ATTRIBUTE_LENGTH_OR_VALUE, offsetof(private_transform_attribute_t, attribute_length_or_value) },
{ ATTRIBUTE_LENGTH_OR_VALUE,offsetof(private_transform_attribute_t, attribute_length_or_value) },
/* Value of attribute if attribute format flag is zero */
{ ATTRIBUTE_VALUE, offsetof(private_transform_attribute_t, attribute_value) }
};
@@ -95,162 +95,106 @@ encoding_rule_t transform_attribute_encodings[] = {
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
/**
* Implementation of payload_t.verify.
*/
static status_t verify(private_transform_attribute_t *this)
METHOD(payload_t, verify, status_t,
private_transform_attribute_t *this)
{
if (this->attribute_type != KEY_LENGTH)
{
return FAILED;
}
return SUCCESS;
}
/**
* Implementation of payload_t.get_encoding_rules.
*/
static void get_encoding_rules(private_transform_attribute_t *this, encoding_rule_t **rules, size_t *rule_count)
METHOD(payload_t, get_encoding_rules, void,
private_transform_attribute_t *this, encoding_rule_t **rules,
size_t *rule_count)
{
*rules = transform_attribute_encodings;
*rule_count = sizeof(transform_attribute_encodings) / sizeof(encoding_rule_t);
*rule_count = countof(transform_attribute_encodings);
}
/**
* Implementation of payload_t.get_type.
*/
static payload_type_t get_type(private_transform_attribute_t *this)
METHOD(payload_t, get_type, payload_type_t,
private_transform_attribute_t *this)
{
return TRANSFORM_ATTRIBUTE;
}
/**
* Implementation of payload_t.get_next_type.
*/
static payload_type_t get_next_type(private_transform_attribute_t *this)
METHOD(payload_t, get_next_type, payload_type_t,
private_transform_attribute_t *this)
{
return (NO_PAYLOAD);
return NO_PAYLOAD;
}
/**
* Implementation of payload_t.set_next_type.
*/
static void set_next_type(private_transform_attribute_t *this,payload_type_t type)
METHOD(payload_t, set_next_type, void,
private_transform_attribute_t *this, payload_type_t type)
{
}
/**
* Implementation of transform_attribute_t.get_length.
*/
static size_t get_length(private_transform_attribute_t *this)
METHOD(payload_t, get_length, size_t,
private_transform_attribute_t *this)
{
if (this->attribute_format == TRUE)
if (this->attribute_format)
{
/*Attribute size is only 4 byte */
return 4;
}
return (this->attribute_length_or_value + 4);
return this->attribute_length_or_value + 4;
}
/**
* Implementation of transform_attribute_t.set_value_chunk.
*/
static void set_value_chunk(private_transform_attribute_t *this, chunk_t value)
METHOD(transform_attribute_t, set_value_chunk, void,
private_transform_attribute_t *this, chunk_t value)
{
if (this->attribute_value.ptr != NULL)
{
/* free existing value */
free(this->attribute_value.ptr);
this->attribute_value.ptr = NULL;
this->attribute_value.len = 0;
chunk_free(&this->attribute_value);
}
if (value.len > 2)
if (value.len != 2)
{
this->attribute_value.ptr = clalloc(value.ptr,value.len);
this->attribute_value.len = value.len;
this->attribute_value = chunk_clone(value);
this->attribute_length_or_value = value.len;
/* attribute has not a fixed length */
this->attribute_format = FALSE;
}
else
{
memcpy(&(this->attribute_length_or_value),value.ptr,value.len);
memcpy(&this->attribute_length_or_value, value.ptr, value.len);
}
}
/**
* Implementation of transform_attribute_t.set_value.
*/
static void set_value(private_transform_attribute_t *this, u_int16_t value)
METHOD(transform_attribute_t, set_value, void,
private_transform_attribute_t *this, u_int16_t value)
{
if (this->attribute_value.ptr != NULL)
{
/* free existing value */
free(this->attribute_value.ptr);
this->attribute_value.ptr = NULL;
this->attribute_value.len = 0;
}
chunk_free(&this->attribute_value);
this->attribute_length_or_value = value;
this->attribute_format = TRUE;
}
/**
* Implementation of transform_attribute_t.get_value_chunk.
*/
static chunk_t get_value_chunk (private_transform_attribute_t *this)
METHOD(transform_attribute_t, get_value_chunk, chunk_t,
private_transform_attribute_t *this)
{
chunk_t value;
if (this->attribute_format == FALSE)
if (this->attribute_format)
{
value.ptr = this->attribute_value.ptr;
value.len = this->attribute_value.len;
return chunk_from_thing(this->attribute_length_or_value);
}
else
{
value.ptr = (void *) &(this->attribute_length_or_value);
value.len = 2;
}
return value;
return this->attribute_value;
}
/**
* Implementation of transform_attribute_t.get_value.
*/
static u_int16_t get_value (private_transform_attribute_t *this)
METHOD(transform_attribute_t, get_value, u_int16_t,
private_transform_attribute_t *this)
{
return this->attribute_length_or_value;
}
/**
* Implementation of transform_attribute_t.set_attribute_type.
*/
static void set_attribute_type (private_transform_attribute_t *this, u_int16_t type)
METHOD(transform_attribute_t, set_attribute_type, void,
private_transform_attribute_t *this, u_int16_t type)
{
this->attribute_type = type & 0x7FFF;
}
/**
* Implementation of transform_attribute_t.get_attribute_type.
*/
static u_int16_t get_attribute_type (private_transform_attribute_t *this)
METHOD(transform_attribute_t, get_attribute_type, u_int16_t,
private_transform_attribute_t *this)
{
return this->attribute_type;
}
/**
* Implementation of transform_attribute_t.clone.
*/
static transform_attribute_t * _clone(private_transform_attribute_t *this)
METHOD(transform_attribute_t, clone_, transform_attribute_t*,
private_transform_attribute_t *this)
{
private_transform_attribute_t *new_clone;
new_clone = (private_transform_attribute_t *) transform_attribute_create();
new_clone = (private_transform_attribute_t *)transform_attribute_create();
new_clone->attribute_format = this->attribute_format;
new_clone->attribute_type = this->attribute_type;
@@ -258,22 +202,15 @@ static transform_attribute_t * _clone(private_transform_attribute_t *this)
if (!new_clone->attribute_format)
{
new_clone->attribute_value.ptr = clalloc(this->attribute_value.ptr,this->attribute_value.len);
new_clone->attribute_value.len = this->attribute_value.len;
new_clone->attribute_value = chunk_clone(this->attribute_value);
}
return (transform_attribute_t *) new_clone;
return &new_clone->public;
}
/**
* Implementation of transform_attribute_t.destroy and payload_t.destroy.
*/
static void destroy(private_transform_attribute_t *this)
METHOD2(payload_t, transform_attribute_t, destroy, void,
private_transform_attribute_t *this)
{
if (this->attribute_value.ptr != NULL)
{
free(this->attribute_value.ptr);
}
free(this->attribute_value.ptr);
free(this);
}
@@ -282,35 +219,31 @@ static void destroy(private_transform_attribute_t *this)
*/
transform_attribute_t *transform_attribute_create()
{
private_transform_attribute_t *this = malloc_thing(private_transform_attribute_t);
private_transform_attribute_t *this;
/* payload interface */
this->public.payload_interface.verify = (status_t (*) (payload_t *))verify;
this->public.payload_interface.get_encoding_rules = (void (*) (payload_t *, encoding_rule_t **, size_t *) ) get_encoding_rules;
this->public.payload_interface.get_length = (size_t (*) (payload_t *)) get_length;
this->public.payload_interface.get_next_type = (payload_type_t (*) (payload_t *)) get_next_type;
this->public.payload_interface.set_next_type = (void (*) (payload_t *,payload_type_t)) set_next_type;
this->public.payload_interface.get_type = (payload_type_t (*) (payload_t *)) get_type;
this->public.payload_interface.destroy = (void (*) (payload_t *))destroy;
/* public functions */
this->public.set_value_chunk = (void (*) (transform_attribute_t *,chunk_t)) set_value_chunk;
this->public.set_value = (void (*) (transform_attribute_t *,u_int16_t)) set_value;
this->public.get_value_chunk = (chunk_t (*) (transform_attribute_t *)) get_value_chunk;
this->public.get_value = (u_int16_t (*) (transform_attribute_t *)) get_value;
this->public.set_attribute_type = (void (*) (transform_attribute_t *,u_int16_t type)) set_attribute_type;
this->public.get_attribute_type = (u_int16_t (*) (transform_attribute_t *)) get_attribute_type;
this->public.clone = (transform_attribute_t * (*) (transform_attribute_t *)) _clone;
this->public.destroy = (void (*) (transform_attribute_t *)) destroy;
/* set default values of the fields */
this->attribute_format = TRUE;
this->attribute_type = 0;
this->attribute_length_or_value = 0;
this->attribute_value.ptr = NULL;
this->attribute_value.len = 0;
return (&(this->public));
INIT(this,
.public = {
.payload_interface = {
.verify = _verify,
.get_encoding_rules = _get_encoding_rules,
.get_length = _get_length,
.get_next_type = _get_next_type,
.set_next_type = _set_next_type,
.get_type = _get_type,
.destroy = _destroy,
},
.set_value_chunk = _set_value_chunk,
.set_value = _set_value,
.get_value_chunk = _get_value_chunk,
.get_value = _get_value,
.set_attribute_type = _set_attribute_type,
.get_attribute_type = _get_attribute_type,
.clone = _clone_,
.destroy = _destroy,
},
.attribute_format = TRUE,
);
return &this->public;
}
/*
@@ -319,7 +252,7 @@ transform_attribute_t *transform_attribute_create()
transform_attribute_t *transform_attribute_create_key_length(u_int16_t key_length)
{
transform_attribute_t *attribute = transform_attribute_create();
attribute->set_attribute_type(attribute,KEY_LENGTH);
attribute->set_value(attribute,key_length);
attribute->set_attribute_type(attribute, KEY_LENGTH);
attribute->set_value(attribute, key_length);
return attribute;
}