/**
* \brief Conversion of unsigned int
*/
const char *Translator::toUnsigned(uint16_t length, uint16_t *ret_len, uint8_t *data_record,
uint16_t offset, const ipfix_element_t * element, struct json_conf * config)
{
// Calculate the length of returned string here to avoid unnecessary strlen later
const char *ret = NULL;
*ret_len = 0;
if(length == BYTE1) {
// 1 byte
if(element->en == 0 && element->id == 6 && config->tcpFlags) {
// Formated TCP flags
ret = formatFlags8(read8(data_record + offset));
*ret_len = 8;
return ret;
} else if (element->en == 0 && element->id == 4 && !config->protocol) {
// Formated protocol identification (TCP, UDP, ICMP,...)
ret = (formatProtocol(read8(data_record + offset)));
*ret_len = strlen(ret);
return ret;
} else {
// Other elements
ret = u32toa_branchlut2(read8(data_record + offset), buffer);
}
} else if(length == BYTE2) {
// 2 bytes
if (element->en == 0 && element->id == 6 && config->tcpFlags) {
// Formated TCP flags
ret = formatFlags16(read16(data_record + offset));
*ret_len = 8;
return ret;
} else {
// Other elements
ret = u32toa_branchlut2(ntohs(read16(data_record + offset)), buffer);
}
} else if(length == BYTE4) {
// 4 bytes
ret = u32toa_branchlut2(ntohl(read32(data_record + offset)), buffer);
} else if(length == BYTE8) {
// 8 bytes
ret = u64toa_branchlut2(be64toh(read64(data_record + offset)), buffer);
} else {
// Other sizes
*ret_len = snprintf(buffer, BUFF_SIZE, "%s", "\"unknown\"");
return buffer;
}
*ret_len = ret - buffer;
return buffer;
}
/**
* \brief Conversion of unsigned int
*/
const char *Translator::toUnsigned(uint16_t *length, uint8_t *data_record, uint16_t offset, const ipfix_element_t * element, struct json_conf * config)
{
if(*length == BYTE1) {
// 1 byte
if(element->en == 0 && element->id == 6 && config->tcpFlags) {
// Formated TCP flags
return formatFlags8(read8(data_record + offset));
} else if (element->en == 0 && element->id == 4 && !config->protocol) {
// Formated protocol identification (TCP, UDP, ICMP,...)
return (formatProtocol(read8(data_record + offset)));
} else {
// Other elements
snprintf(buffer, BUFF_SIZE, "%" PRIu8, read8(data_record + offset));
}
} else if(*length == BYTE2) {
// 2 bytes
if (element->en == 0 && element->id == 6 && config->tcpFlags) {
// Formated TCP flags
return formatFlags16(read16(data_record + offset));
} else {
// Other elements
snprintf(buffer, BUFF_SIZE, "%" PRIu16, ntohs(read16(data_record + offset)));
}
} else if(*length == BYTE4) {
// 4 bytes
snprintf(buffer, BUFF_SIZE, "%" PRIu32, ntohl(read32(data_record + offset)));
} else if(*length == BYTE8) {
// 8 bytes
snprintf(buffer, BUFF_SIZE, "%" PRIu64, be64toh(read64(data_record + offset)));
} else {
// Other sizes
snprintf(buffer, BUFF_SIZE, "%s", "\"unknown\"");
}
return buffer;
}
