/**
* @file generator.c
*
- * @brief Generic generator class used to generate IKEv2-header and payloads.
+ * @brief Implementation of generator_t.
*
*/
void (*generate_reserved_field) (private_generator_t *this,int bits);
/**
- * Generates a FLAG field
+ * Generates a FLAG field.
*
* @param this private_generator_t object
* @param generator_contexts generator_contexts_t object where the context is written or read from
void (*generate_flag) (private_generator_t *this,u_int32_t offset);
/**
- * Writes the current buffer content into a chunk_t
+ * Writes the current buffer content into a chunk_t.
*
* Memory of specific chunk_t gets allocated.
*
void (*write_chunk) (private_generator_t *this,chunk_t *data);
/**
- * Generates a bytestream from a chunk_t
+ * Generates a bytestream from a chunk_t.
*
* @param this private_generator_t object
* @param offset offset of chunk_t value in data struct
void * data_struct;
/*
- * Last payload length position offset in the buffer
+ * Last payload length position offset in the buffer.
*/
u_int32_t last_payload_length_position_offset;
/**
- * Offset of the header length field in the buffer
+ * Offset of the header length field in the buffer.
*/
u_int32_t header_length_position_offset;
/**
- * Last SPI size
+ * Last SPI size.
*/
u_int8_t last_spi_size;
/*
- * Attribute format of the last generated transform attribute
+ * Attribute format of the last generated transform attribute.
*
* Used to check if a variable value field is used or not for
* the transform attribute value.
/*
* Depending on the value of attribute_format this field is used
- * to hold the length of the transform attribute in bytes
+ * to hold the length of the transform attribute in bytes.
*/
u_int16_t attribute_length;
/**
- * Associated Logger
+ * Associated Logger.
*/
logger_t *logger;
};
/**
- * Implements private_generator_t's get_current_buffer_size function.
- * See #private_generator_s.get_current_buffer_size.
+ * Implementation of private_generator_t.get_current_buffer_size.
*/
static size_t get_current_buffer_size (private_generator_t *this)
{
}
/**
- * Implements private_generator_t's get_current_buffer_space function.
- * See #private_generator_s.get_current_buffer_space.
+ * Implementation of private_generator_t.get_current_buffer_space.
*/
static size_t get_current_buffer_space (private_generator_t *this)
{
}
/**
- * Implements private_generator_t's get_current_buffer_space function.
- * See #private_generator_s.get_current_buffer_space.
+ * Implementation of private_generator_t.get_current_data_length.
*/
static size_t get_current_data_length (private_generator_t *this)
{
}
/**
- * Implements private_generator_t's get_current_buffer_offset function.
- * See #private_generator_s.get_current_buffer_offset.
+ * Implementation of private_generator_t.get_current_buffer_offset.
*/
static u_int32_t get_current_buffer_offset (private_generator_t *this)
{
return (this->out_position - this->buffer);
}
-
/**
- * Implements private_generator_t's generate_u_int_type function.
- * See #private_generator_s.generate_u_int_type.
+ * Implementation of private_generator_t.generate_u_int_type.
*/
static void generate_u_int_type (private_generator_t *this,encoding_type_t int_type,u_int32_t offset)
{
}
/**
- * Implements private_generator_t's generate_reserved_field function.
- * See #private_generator_s.generate_reserved_field.
+ * Implementation of private_generator_t.generate_reserved_field.
*/
static void generate_reserved_field(private_generator_t *this,int bits)
{
}
/**
- * Implements private_generator_t's generate_flag function.
- * See #private_generator_s.generate_flag.
+ * Implementation of private_generator_t.generate_flag.
*/
static void generate_flag (private_generator_t *this,u_int32_t offset)
{
}
/**
- * Implements private_generator_t's generate_from_chunk function.
- * See #private_generator_s.generate_from_chunk.
+ * Implementation of private_generator_t.generate_from_chunk.
*/
static void generate_from_chunk (private_generator_t *this,u_int32_t offset)
{
}
/**
- * Implements private_generator_t's generator_context_make_space_available function.
- * See #private_generator_s.generator_context_make_space_available.
+ * Implementation of private_generator_t.make_space_available.
*/
static void make_space_available (private_generator_t *this, size_t bits)
{
}
/**
- * Implements private_generator_t's write_bytes_to_buffer function.
- * See #private_generator_s.write_bytes_to_buffer.
+ * Implementation of private_generator_t.write_bytes_to_buffer.
*/
static void write_bytes_to_buffer (private_generator_t *this,void * bytes, size_t number_of_bytes)
{
}
/**
- * Implements private_generator_t's write_bytes_to_buffer_at_offset function.
- * See #private_generator_s.write_bytes_to_buffer_at_offset.
+ * Implementation of private_generator_t.write_bytes_to_buffer_at_offset.
*/
static void write_bytes_to_buffer_at_offset (private_generator_t *this,void * bytes,size_t number_of_bytes,u_int32_t offset)
{
}
/**
- * Implements generator_t's write_chunk function.
- * See #generator_s.write_chunk.
+ * Implementation of private_generator_t.write_to_chunk.
*/
static void write_to_chunk (private_generator_t *this,chunk_t *data)
{
}
/**
- * Implements generator_t's generate_payload function.
- * See #generator_s.generate_payload.
+ * Implementation of private_generator_t.generate_payload.
*/
static void generate_payload (private_generator_t *this,payload_t *payload)
{
}
/**
- * Implements generator_t's destroy function.
- * See #generator_s.destroy.
+ * Implementation of generator_t.destroy.
*/
static status_t destroy(private_generator_t *this)
{
private_generator_t *this;
this = allocator_alloc_thing(private_generator_t);
- if (this == NULL)
- {
- return NULL;
- }
/* initiate public functions */
this->public.generate_payload = (void(*)(generator_t*, payload_t *)) generate_payload;
/* allocate memory for buffer */
this->buffer = allocator_alloc(GENERATOR_DATA_BUFFER_SIZE);
- if (this->buffer == NULL)
- {
- allocator_free(this);
- return NULL;
- }
/* initiate private variables */
this->out_position = this->buffer;
this->last_payload_length_position_offset = 0;
this->header_length_position_offset = 0;
this->logger = global_logger_manager->create_logger(global_logger_manager,GENERATOR,NULL);
-
- if (this->logger == NULL)
- {
- allocator_free(this->buffer);
- allocator_free(this);
- return NULL;
- }
+
return &(this->public);
}
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