coap_list_t *CACreateNewOptionNode(uint16_t key, uint32_t length, const char *data)
{
OIC_LOG(DEBUG, TAG, "IN");
if (!data)
{
OIC_LOG(ERROR, TAG, "invalid pointer parameter");
return NULL;
}
coap_option *option = coap_malloc(sizeof(coap_option) + length + 1);
if (!option)
{
OIC_LOG(ERROR, TAG, "Out of memory");
return NULL;
}
memset(option, 0, sizeof(coap_option) + length + 1);
COAP_OPTION_KEY(*option) = key;
coap_option_def_t* def = coap_opt_def(key);
if (NULL != def && coap_is_var_bytes(def))
{
if (length > def->max)
{
// make sure we shrink the value so it fits the coap option definition
// by truncating the value, disregard the leading bytes.
OIC_LOG_V(DEBUG, TAG, "Option [%d] data size [%d] shrunk to [%d]",
def->key, length, def->max);
data = &(data[length-def->max]);
length = def->max;
}
// Shrink the encoding length to a minimum size for coap
// options that support variable length encoding.
COAP_OPTION_LENGTH(*option) = coap_encode_var_bytes(
COAP_OPTION_DATA(*option),
coap_decode_var_bytes((unsigned char *)data, length));
}
else
{
COAP_OPTION_LENGTH(*option) = length;
memcpy(COAP_OPTION_DATA(*option), data, length);
}
/* we can pass NULL here as delete function since option is released automatically */
coap_list_t *node = coap_new_listnode(option, NULL);
if (!node)
{
OIC_LOG(ERROR, TAG, "node is NULL");
coap_free(option);
return NULL;
}
OIC_LOG(DEBUG, TAG, "OUT");
return node;
}
// Put ordered list into pdu
void coap_add_options(coap_pdu_t *pdu) {
coap_list_t *option;
for (option = optlist; option; option = option->next )
{
coap_add_option ( pdu, COAP_OPTION_KEY(*(coap_option *)option->data),
COAP_OPTION_LENGTH(*(coap_option *)option->data),
COAP_OPTION_DATA(*(coap_option *)option->data) );
}
}
coap_pdu_t* CACreatePDUforRequestWithPayload(const code_t code, coap_list_t *options,
const char* payload)
{
OIC_LOG(DEBUG, TAG, "CACreatePDUforRequestWithPayload");
coap_pdu_t *pdu;
coap_list_t *opt;
unsigned char _token_data[8];
str the_token =
{ 0, _token_data };
if (!(pdu = coap_new_pdu()))
return NULL;
/* initialize message id */
unsigned short message_id;
prng((unsigned char *)&message_id, sizeof(unsigned short));
pdu->hdr->type = msgtype;
pdu->hdr->id = htons(++message_id);
pdu->hdr->code = code;
pdu->hdr->token_length = the_token.length;
if (!coap_add_token(pdu, the_token.length, the_token.s))
{
OIC_LOG(DEBUG, TAG,"cannot add token to request");
}
for (opt = options; opt; opt = opt->next)
{
coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *)opt->data),
COAP_OPTION_LENGTH(*(coap_option *)opt->data),
COAP_OPTION_DATA(*(coap_option *)opt->data));
}
if (NULL != payload)
{
uint32_t len = strlen(payload);
if ((flags & CA_FLAGS_BLOCK) == 0)
{
OIC_LOG_V(DEBUG, TAG, "coap_add_data, payload: %s", payload);
coap_add_data(pdu, len, payload);
}
else
{
OIC_LOG_V(DEBUG, TAG, "coap_add_block, payload: %s", payload);
coap_add_block(pdu, len, payload, block.num, block.szx);
}
}
return pdu;
}
static coap_list_t *
new_option_node(unsigned short key, unsigned char *data, unsigned int length) {
coap_option *option;
coap_list_t *node;
option = coap_malloc(sizeof(coap_option) + length);
if ( !option )
return NULL;
COAP_OPTION_KEY(*option) = key;
COAP_OPTION_LENGTH(*option) = length;
memcpy(COAP_OPTION_DATA(*option), data, length);
/* we can pass NULL here as delete function since option is released automatically */
node = coap_new_listnode(option, free);
if (!node)
coap_free(option);
return node;
}
coap_list_t* CACreateNewOptionNode(const uint16_t key, const uint32_t length, const uint8_t *data)
{
coap_option *option;
coap_list_t *node;
option = coap_malloc(sizeof(coap_option) + length);
if (!option)
goto error;
COAP_OPTION_KEY(*option) = key;
COAP_OPTION_LENGTH(*option) = length;
memcpy(COAP_OPTION_DATA(*option), data, length);
/* we can pass NULL here as delete function since option is released automatically */
node = coap_new_listnode(option, NULL);
if (node)
return node;
error: perror("new_option_node: malloc");
coap_free( option);
return NULL;
}
coap_pdu_t* CACreatePDUforRequest(const code_t code, coap_list_t *options)
{
OIC_LOG(DEBUG, TAG, "CACreatePDUforRequest");
coap_pdu_t *pdu;
coap_list_t *opt;
unsigned char _token_data[8];
str the_token =
{ 0, _token_data };
if (!(pdu = coap_new_pdu()))
return NULL;
/* initialize message id */
unsigned short message_id;
prng((unsigned char *)&message_id, sizeof(unsigned short));
pdu->hdr->type = msgtype;
pdu->hdr->id = htons(++message_id);
pdu->hdr->code = code;
pdu->hdr->token_length = the_token.length;
if (!coap_add_token(pdu, the_token.length, the_token.s))
{
OIC_LOG(DEBUG, TAG, "cannot add token to request");
}
for (opt = options; opt; opt = opt->next)
{
coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *)opt->data),
COAP_OPTION_LENGTH(*(coap_option *)opt->data),
COAP_OPTION_DATA(*(coap_option *)opt->data));
}
return pdu;
}
coap_pdu_t *CAGeneratePDUImpl(code_t code, coap_list_t *options, const CAInfo_t *info,
const CAEndpoint_t *endpoint)
{
OIC_LOG(DEBUG, TAG, "IN");
VERIFY_NON_NULL_RET(info, TAG, "info", NULL);
VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint", NULL);
coap_pdu_t *pdu = coap_new_pdu();
if (NULL == pdu)
{
OIC_LOG(ERROR, TAG, "malloc failed");
return NULL;
}
OIC_LOG_V(DEBUG, TAG, "msgID is %d", info->messageId);
uint16_t message_id;
if (0 == info->messageId)
{
/* initialize message id */
prng((uint8_t * ) &message_id, sizeof(message_id));
OIC_LOG_V(DEBUG, TAG, "gen msg id=%d", message_id);
}
else
{
/* use saved message id */
message_id = info->messageId;
}
pdu->hdr->id = message_id;
OIC_LOG_V(DEBUG, TAG, "messageId in pdu is %d, %d", message_id, pdu->hdr->id);
pdu->hdr->type = info->type;
pdu->hdr->code = COAP_RESPONSE_CODE(code);
if (info->token && CA_EMPTY != code)
{
uint32_t tokenLength = info->tokenLength;
OIC_LOG_V(DEBUG, TAG, "token info token length: %d, token :", tokenLength);
OIC_LOG_BUFFER(DEBUG, TAG, (const uint8_t *)info->token, tokenLength);
int32_t ret = coap_add_token(pdu, tokenLength, (unsigned char *)info->token);
if (0 == ret)
{
OIC_LOG(ERROR, TAG, "can't add token");
}
}
if (options)
{
for (coap_list_t *opt = options; opt; opt = opt->next)
{
OIC_LOG_V(DEBUG, TAG, "[%s] opt will be added.",
COAP_OPTION_DATA(*(coap_option *) opt->data));
coap_add_option(pdu, COAP_OPTION_KEY(*(coap_option *) opt->data),
COAP_OPTION_LENGTH(*(coap_option *) opt->data),
COAP_OPTION_DATA(*(coap_option *) opt->data));
}
}
bool enabledPayload = false;
#ifndef WITH_BWT
enabledPayload = true;
#endif
if (enabledPayload || CA_ADAPTER_GATT_BTLE == endpoint->adapter)
{
if (NULL != info->payload && 0 < info->payloadSize)
{
OIC_LOG(DEBUG, TAG, "payload is added");
coap_add_data(pdu, info->payloadSize, (const unsigned char *) info->payload);
}
}
OIC_LOG(DEBUG, TAG, "OUT");
return pdu;
}