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- introduced set_next_type call for payload_t objects

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This commit is contained in:
Jan Hutter
2005-11-15 09:14:45 +00:00
parent 2b9dd4678d
commit 32cbc7bc82
9 changed files with 109 additions and 28 deletions
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Source/charon/payloads/sa_payload.c
+55 -1
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@@ -64,6 +64,15 @@ struct private_sa_payload_s {
* Proposals in this payload are stored in a linked_list_t
*/
linked_list_t * proposals;
/**
* @brief Computes the length of this payload.
*
* @param this calling private_sa_payload_t object
* @return
* SUCCESS in any case
*/
status_t (*compute_length) (private_sa_payload_t *this);
};
/**
@@ -146,12 +155,23 @@ static payload_type_t get_next_type(private_sa_payload_t *this)
return (this->next_payload);
}
/**
* Implements payload_t's set_next_type function.
* See #payload_s.set_next_type for description.
*/
static status_t set_next_type(private_sa_payload_t *this,payload_type_t type)
{
this->next_payload = type;
return SUCCESS;
}
/**
* Implements payload_t's get_length function.
* See #payload_s.get_length for description.
*/
static size_t get_length(private_sa_payload_t *this)
{
this->compute_length(this);
return this->payload_length;
}
@@ -170,7 +190,37 @@ static status_t create_proposal_substructure_iterator (private_sa_payload_t *thi
*/
static status_t add_proposal_substructure (private_sa_payload_t *this,proposal_substructure_t *proposal)
{
return (this->proposals->insert_last(this->proposals,(void *) proposal));
status_t status;
status = this->proposals->insert_last(this->proposals,(void *) proposal);
this->compute_length(this);
return status;
}
/**
* Implements private_sa_payload_t's compute_length function.
* See #private_sa_payload_s.compute_length for description.
*/
static status_t compute_length (private_sa_payload_t *this)
{
linked_list_iterator_t *iterator;
status_t status;
size_t length = SA_PAYLOAD_HEADER_LENGTH;
status = this->proposals->create_iterator(this->proposals,&iterator,TRUE);
if (status != SUCCESS)
{
return length;
}
while (iterator->has_next(iterator))
{
payload_t *current_proposal;
iterator->current(iterator,(void **) &current_proposal);
length += current_proposal->get_length(current_proposal);
}
iterator->destroy(iterator);
this->payload_length = length;
return SUCCESS;
}
/*
@@ -187,12 +237,16 @@ sa_payload_t *sa_payload_create()
this->public.payload_interface.get_encoding_rules = (status_t (*) (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 = (status_t (*) (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 = (status_t (*) (payload_t *))destroy;
this->public.create_proposal_substructure_iterator = (status_t (*) (sa_payload_t *,linked_list_iterator_t **,bool)) create_proposal_substructure_iterator;
this->public.add_proposal_substructure = (status_t (*) (sa_payload_t *,proposal_substructure_t *)) add_proposal_substructure;
this->public.destroy = (status_t (*) (sa_payload_t *)) destroy;
/* private functions */
this->compute_length = compute_length;
/* set default values of the fields */
this->critical = SA_PAYLOAD_CRITICAL_FLAG;
this->next_payload = NO_PAYLOAD;