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- generator refactored

This commit is contained in:
Jan Hutter 2005-11-15 10:50:24 +00:00
parent 7031a50b08
commit 8bf27ddf4e
1 changed files with 34 additions and 21 deletions
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55
Source/charon/generator.c
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@ -738,21 +738,25 @@ static status_t generate_payload (private_generator_t *this,payload_t *payload)
}
case PROPOSALS:
{
this->logger->log(this->logger,CONTROL_MORE,"Generate Proposals");
/* before iterative generate the transforms, store the current length position */
/* before iterative generate the transforms, store the current payload length position */
u_int32_t payload_length_position_offset = this->last_payload_length_position_offset;
/* Length of SA_PAYLOAD is calculated */
u_int16_t length_of_sa_payload = SA_PAYLOAD_HEADER_LENGTH;
u_int16_t int16_val;
/* proposals are stored in a linked list and so accessed */
linked_list_t *proposals = *((linked_list_t **)(this->data_struct + rules[i].offset));
this->logger->log(this->logger,CONTROL_MORE,"Generate Proposals");
linked_list_iterator_t *iterator;
/* create forward iterator */
status = proposals->create_iterator(proposals,&iterator,TRUE);
if (status != SUCCESS)
{
this->logger->log(this->logger,CONTROL_MORE,"Could not iterator of proposals");
return status;
}
/* every proposal is processed (iterative call )*/
while (iterator->has_next(iterator))
{
payload_t *current_proposal;
@ -765,40 +769,42 @@ static status_t generate_payload (private_generator_t *this,payload_t *payload)
iterator->destroy(iterator);
return status;
}
before_generate_position_offset = (this->out_position - this->buffer);
before_generate_position_offset = this->get_current_buffer_offset(this);
status = this->public.generate_payload(&(this->public),current_proposal);
after_generate_position_offset = (this->out_position - this->buffer);
after_generate_position_offset = this->get_current_buffer_offset(this);
if (status != SUCCESS)
{
iterator->destroy(iterator);
return status;
}
/* increase size of transform */
length_of_sa_payload += (after_generate_position_offset - before_generate_position_offset);
}
iterator->destroy(iterator);
this->logger->log(this->logger,CONTROL_MORE,"Length of Payload is %d, offset is %d",length_of_sa_payload,payload_length_position_offset);
int16_val = htons(length_of_sa_payload);
this->write_bytes_to_buffer_at_offset(this,&int16_val,sizeof(u_int16_t),payload_length_position_offset);
status = this->write_bytes_to_buffer_at_offset(this,&int16_val,sizeof(u_int16_t),payload_length_position_offset);
if (status != SUCCESS)
{
this->logger->log(this->logger,CONTROL_MORE,"Could no write payload length into buffer");
return status;
}
break;
}
case TRANSFORMS:
{
this->logger->log(this->logger,CONTROL_MORE,"Generate Transforms");
{
/* before iterative generate the transforms, store the current length position */
u_int32_t payload_length_position_offset = this->last_payload_length_position_offset;
u_int16_t length_of_proposal = PROPOSAL_SUBSTRUCTURE_HEADER_LENGTH + this->last_spi_size;
u_int16_t int16_val;
linked_list_t *transforms = *((linked_list_t **)(this->data_struct + rules[i].offset));
linked_list_iterator_t *iterator;
this->logger->log(this->logger,CONTROL_MORE,"Generate Transforms");
/* create forward iterator */
status = transforms->create_iterator(transforms,&iterator,TRUE);
if (status != SUCCESS)
@ -818,11 +824,12 @@ static status_t generate_payload (private_generator_t *this,payload_t *payload)
return status;
}
before_generate_position_offset = (this->out_position - this->buffer);
before_generate_position_offset = this->get_current_buffer_offset(this);
status = this->public.generate_payload(&(this->public),current_transform);
after_generate_position_offset = (this->out_position - this->buffer);
after_generate_position_offset = this->get_current_buffer_offset(this);
if (status != SUCCESS)
{
iterator->destroy(iterator);
return status;
}
@ -869,9 +876,9 @@ static status_t generate_payload (private_generator_t *this,payload_t *payload)
return status;
}
before_generate_position_offset = (this->out_position - this->buffer);
before_generate_position_offset = this->get_current_buffer_offset(this);
this->public.generate_payload(&(this->public),current_attribute);
after_generate_position_offset = (this->out_position - this->buffer);
after_generate_position_offset = this->get_current_buffer_offset(this);
/* increase size of transform */
length_of_transform += (after_generate_position_offset - before_generate_position_offset);
@ -888,10 +895,8 @@ static status_t generate_payload (private_generator_t *this,payload_t *payload)
}
case ATTRIBUTE_FORMAT:
{
this->logger->log(this->logger,CONTROL_MORE,"Generate Attribute Format flag");
/* Attribute format is a flag which is stored in context*/
status = this->generate_flag(this,rules[i].offset);
/* Attribute format is a flag which is stored in context*/
this->attribute_format = *((bool *) (this->data_struct + rules[i].offset));
break;
}
@ -922,6 +927,7 @@ static status_t generate_payload (private_generator_t *this,payload_t *payload)
break;
}
default:
this->logger->log(this->logger,CONTROL_MORE,"Field Type %s is not supported",mapping_find(encoding_type_t_mappings,rules[i].type));
return NOT_SUPPORTED;
}
}
@ -990,5 +996,12 @@ generator_t * generator_create()
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);
}