otError Header::AppendUriQueryOption(const char *aUriQuery)
{
Option coapOption;
coapOption.mNumber = OT_COAP_OPTION_URI_QUERY;
coapOption.mLength = static_cast<uint16_t>(strlen(aUriQuery));
coapOption.mValue = reinterpret_cast<const uint8_t *>(aUriQuery);
return AppendOption(coapOption);
}
otError Header::AppendUriPathOptions(const char *aUriPath)
{
otError error = OT_ERROR_NONE;
const char *cur = aUriPath;
const char *end;
Header::Option coapOption;
coapOption.mNumber = OT_COAP_OPTION_URI_PATH;
while ((end = strchr(cur, '/')) != NULL)
{
coapOption.mLength = static_cast<uint16_t>(end - cur);
coapOption.mValue = reinterpret_cast<const uint8_t *>(cur);
SuccessOrExit(error = AppendOption(coapOption));
cur = end + 1;
}
coapOption.mLength = static_cast<uint16_t>(strlen(cur));
coapOption.mValue = reinterpret_cast<const uint8_t *>(cur);
SuccessOrExit(error = AppendOption(coapOption));
exit:
return error;
}
otError Message::AppendUriPathOptions(const char *aUriPath)
{
otError error = OT_ERROR_NONE;
const char *cur = aUriPath;
const char *end;
while ((end = strchr(cur, '/')) != NULL)
{
SuccessOrExit(error = AppendOption(OT_COAP_OPTION_URI_PATH, static_cast<uint16_t>(end - cur), cur));
cur = end + 1;
}
SuccessOrExit(error = AppendStringOption(OT_COAP_OPTION_URI_PATH, cur));
exit:
return error;
}
otError Message::AppendUintOption(uint16_t aNumber, uint32_t aValue)
{
uint16_t length = sizeof(aValue);
uint8_t *value;
aValue = Encoding::BigEndian::HostSwap32(aValue);
value = reinterpret_cast<uint8_t *>(&aValue);
// skip preceding zeros
while (value[0] == 0 && length > 0)
{
value++;
length--;
}
return AppendOption(aNumber, length, value);
}
otError Header::AppendUintOption(uint16_t aNumber, uint32_t aValue)
{
Option coapOption;
aValue = Encoding::BigEndian::HostSwap32(aValue);
coapOption.mNumber = aNumber;
coapOption.mLength = 4;
coapOption.mValue = reinterpret_cast<uint8_t *>(&aValue);
// skip preceding zeros
while (coapOption.mValue[0] == 0 && coapOption.mLength > 0)
{
coapOption.mValue++;
coapOption.mLength--;
}
return AppendOption(coapOption);
}
otError Message::AppendStringOption(uint16_t aNumber, const char *aValue)
{
return AppendOption(aNumber, static_cast<uint16_t>(strlen(aValue)), aValue);
}
