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use std::str;
use bit_array::BitArray;
use typenum::U128;
use std::borrow::Cow;
use iso_field::FieldCharType;
use iso_field::FieldPayload;
use iso_field::IsoField;
use iso_field::FieldSizeType;
pub trait IsoSpecs {
fn get_handle(&self) -> &Vec<IsoField>;
}
pub struct IsoMsg<'a, 'b> {
payload: Cow<'a, [u8]>,
iso_spec: &'b IsoSpecs,
fields: Vec<FieldPayload>,
}
impl<'a, 'b> IsoMsg<'a, 'b> {
pub fn new(iso_spec: &'b IsoSpecs, payload: &'a [u8]) -> IsoMsg<'a, 'b> {
let mut fields = Vec::with_capacity(iso_spec.get_handle().len());
IsoMsg::from_byte_array(iso_spec, &mut fields, payload);
IsoMsg {
iso_spec: iso_spec,
payload: Cow::Borrowed(payload),
fields: fields,
}
}
pub fn remove_field(&mut self, index: usize) -> Result<(), &str> {
assert!(index < self.fields.len());
assert!(index < self.iso_spec.get_handle().len());
self.fields[index].exist = false;
Ok(())
}
pub fn set_field(&mut self, index: usize, buffer: &[u8]) -> Result<(), &str> {
trace!(
"set_field: index:{}, buffer:{}",
index,
str::from_utf8(&buffer).unwrap()
);
assert!(index < self.fields.len());
assert!(index < self.iso_spec.get_handle().len());
assert!(buffer.len() <= self.iso_spec.get_handle()[index].length);
let len_prefix = self.get_field_length_prefix(index);
let total_lenth = buffer.len() + len_prefix;
let mut v = Vec::with_capacity(total_lenth);
trace!(
"buffer.len():{}, iso_spec.get_handle()[index].length:{}",
buffer.len(),
self.iso_spec.get_handle()[index].length
);
if len_prefix > 0 {
v.extend_from_slice(format!("{:0w$}", buffer.len(), w = len_prefix).as_bytes());
}
v.extend_from_slice(buffer);
trace!(
"index:{}, set_extend_from_slice : v {}",
index,
str::from_utf8(&v).unwrap()
);
trace!("set_field: v.len:{}", v.len());
self.fields[index].new_payload = Some(v);
self.fields[index].exist = true;
Ok(())
}
pub fn get_field_length_prefix(&self, index: usize) -> usize {
match self.iso_spec.get_handle()[index].size_type {
FieldSizeType::LlVar | FieldSizeType::LllVar | FieldSizeType::LlllVar => 3,
_ => 0,
}
}
pub fn get_field(&self, index: usize, buffer: &mut [u8]) -> Result<usize, &str> {
let res = self.get_field_raw(index, buffer);
if res.is_err() {
return Err(res.err().unwrap());
}
let (len, field_len_prefix) = res.unwrap();
if field_len_prefix > 0 {
let temp_buff = buffer[field_len_prefix..len].to_vec();
buffer[0..len - field_len_prefix].copy_from_slice(&temp_buff[..]);
}
Ok(len - field_len_prefix)
}
fn get_field_raw(&self, index: usize, buffer: &mut [u8]) -> Result<(usize, usize), &str> {
assert!(index < self.fields.len());
let field = &self.fields[index];
if !field.exist {
return Err("Field not set");
}
if field.new_payload.is_some() {
trace!("new_payload exist");
if let Some(ref m) = field.new_payload {
if buffer.len() >= m.len() {
let len_prefix = self.get_field_length_prefix(index);
buffer[..m.len()].copy_from_slice(&m[..m.len()]);
return Ok((m.len(), len_prefix));
}
}
return Err("Input buffer is smaller than field value");
}
if field.len == 0 {
return Err("Field not set");
}
if buffer.len() >= field.len && self.payload.len() >= (field.len + field.index) {
let len_prefix = self.get_field_length_prefix(index);
buffer[0..field.len].copy_from_slice(
&self.payload[field.index..
field.index +
field.len],
);
Ok((field.len, len_prefix))
} else {
Err("Input buffer is smaller than field value")
}
}
pub fn is_bit_set(input: u32, n: u8) -> bool {
if n < 32 { input & (1 << n) != 0 } else { false }
}
pub fn process_bitmap(
iso_spec: &IsoSpecs,
index: usize,
bitmap_bytes: &[u8],
) -> (Vec<BitArray<u64, U128>>, usize) {
let bitmap_length = iso_spec.get_handle()[index].length;
let bitmap_size = bitmap_length * 8;
let num_iteration: usize = (iso_spec.get_handle().len() - index + 63) / bitmap_size;
let i = 0;
let mut bit_map_index = index;
let num_bits = 32;
let mut bit_arrays = Vec::<BitArray<u64, U128>>::with_capacity(num_iteration);
for _ in 0..num_iteration {
bit_arrays.push(BitArray::<u64, U128>::from_elem(false));
}
let mut bit_arrays_index = 0;
let bitmap = str::from_utf8(bitmap_bytes).unwrap();
trace!("index:{}, bitmap:{}", index, bitmap);
let mut field_index = 0;
while i < num_iteration {
if i == 0 {
field_index += 1;
}
let mut ms_num_bit = num_bits;
if i == 0 {
ms_num_bit -= 1;
}
let ms = u32::from_str_radix(&bitmap[bit_map_index..bit_map_index + 8], 16).unwrap();
for x in (0..ms_num_bit).rev() {
let bit_set = IsoMsg::is_bit_set(ms, x as u8);
trace!("ms: bit {} field_index:{} is {}", x, field_index, bit_set);
bit_arrays[bit_arrays_index].set(field_index, bit_set);
field_index += 1;
}
trace!("ms: {}", ms);
bit_map_index += 8;
let ls = u32::from_str_radix(&bitmap[bit_map_index..bit_map_index + 8], 16).unwrap();
for x in (0..num_bits).rev() {
let bit_set = IsoMsg::is_bit_set(ls, x as u8);
trace!("ms: bit {} field_index:{} is {}", x, field_index, bit_set);
bit_arrays[bit_arrays_index].set(field_index, bit_set);
field_index += 1;
}
bit_map_index += 8;
trace!("ls: {}", ls);
bit_arrays_index = field_index / bitmap_size;
if i == 0 && !IsoMsg::is_bit_set(ms, 31u8) {
trace!("2ndory bitmap doesn't exis");
break;
}
}
(bit_arrays, bit_map_index + index - 8)
}
pub fn convert_u32_be(array: &[u8]) -> u32 {
assert_eq!(array.len(), 4);
(u32::from(array[0]) << 24) + (u32::from(array[1]) << 16) + (u32::from(array[2]) << 8) +
(u32::from(array[3]) << 0)
}
pub fn convert_u32_le(array: &[u8]) -> u32 {
assert_eq!(array.len(), 4);
(u32::from(array[0]) << 0) + (u32::from(array[1]) << 8) + (u32::from(array[2]) << 16) +
(u32::from(array[3]) << 24)
}
pub fn to_byte_array(&self, buffer: &mut [u8]) -> usize {
let mut buffer_index = 0usize;
let num_iteration: usize = (self.iso_spec.get_handle().len() - 1 + 63) / 128;
let mut bit_arrays = Vec::<BitArray<u64, U128>>::with_capacity(num_iteration);
for _ in 0..num_iteration {
bit_arrays.push(BitArray::<u64, U128>::from_elem(false));
}
let mut bit_array_index = 0;
let mut bit_index = 0;
let mut bitmap_field_index = 0;
let mut bitmap_found = false;
for index in 0..self.fields.len() {
bit_array_index = index / 128;
if !bitmap_found &&
(self.iso_spec.get_handle()[index].char_type == FieldCharType::Iso8583_bmp ||
self.iso_spec.get_handle()[index].char_type == FieldCharType::Iso8583_bmps)
{
bitmap_field_index = index;
bitmap_found = true;
bit_index = buffer_index;
let res = self.get_field_raw(index, &mut buffer[buffer_index..]);
if res.is_ok() {
let (field_total_len, _) = res.unwrap();
buffer_index += field_total_len;
}
} else {
let res = self.get_field_raw(index, &mut buffer[buffer_index..]);
if res.is_ok() {
if bitmap_found {
bit_arrays[bit_array_index].set(index - bitmap_field_index, true);
trace!(
"index:{}, buffer[buffer_index..]:{}",
index,
str::from_utf8(&buffer[buffer_index..]).unwrap()
);
}
let (field_total_len, _) = res.unwrap();
buffer_index += field_total_len;
}
}
}
let mut bitmap = String::with_capacity(bit_array_index * 16);
for (i, bit_array_item) in bit_arrays.iter_mut().enumerate().take(bit_array_index) {
if i == 0 && bit_array_item.len() > 64 {
bit_array_item.set(0, true);
}
let bytes = bit_array_item.to_bytes();
let mut byte_index = 0;
while byte_index < bytes.len() {
let ms_str = IsoMsg::convert_u32_be(&bytes[byte_index..byte_index + 4]);
byte_index += 4;
bitmap.push_str(&format!("{:08X}", ms_str));
}
}
buffer[bit_index..bitmap.len() + bit_index]
.copy_from_slice(&bitmap.as_bytes()[0..bitmap.len()]);
buffer_index
}
pub fn get_field_length(iso_field: &IsoField, input_buffer: &[u8]) -> usize {
match iso_field.size_type {
FieldSizeType::Fixed => iso_field.length,
FieldSizeType::LlVar | FieldSizeType::LllVar | FieldSizeType::LlllVar => {
let str_digits = unsafe { str::from_utf8_unchecked(&input_buffer[0..3]) };
usize::from_str_radix(str_digits, 10).unwrap() + 3
}
_ => 0,
}
}
pub fn from_byte_array(
iso_spec: &IsoSpecs,
fields: &mut Vec<FieldPayload>,
input_buffer: &[u8],
) {
let mut payload_index = 0usize;
let mut found_bitmap = false;
let mut bitmap_field_index = 0;
let mut bit_arrays = Vec::<BitArray<u64, U128>>::with_capacity(0);
for i in 0..iso_spec.get_handle().len() {
let iso_field: &IsoField = &iso_spec.get_handle()[i];
let mut field = FieldPayload::default();
if !found_bitmap &&
(iso_field.char_type == FieldCharType::Iso8583_bmp ||
iso_field.char_type == FieldCharType::Iso8583_bmps)
{
found_bitmap = true;
field.index = payload_index;
field.exist = true;
bitmap_field_index = i;
let (bitarrays, len) = IsoMsg::process_bitmap(iso_spec, field.index, input_buffer);
field.len = len;
bit_arrays = bitarrays;
payload_index += field.len;
trace!(
"iso_field.length:{}, field.index:{}, payload_index:{}, bitmap: {}",
iso_field.length,
field.index,
payload_index,
str::from_utf8(&input_buffer[field.index..len + field.index]).unwrap()
);
trace!("bit_arrays:{}", bit_arrays.len());
} else {
let mut field_exist = true;
if found_bitmap {
if bit_arrays[0].get(i - bitmap_field_index).unwrap() {
field_exist = true;
trace!("Field {} exists.", i);
} else {
field_exist = false;
}
}
if field_exist {
field.index = payload_index;
field.len = IsoMsg::get_field_length(iso_field, &input_buffer[payload_index..]);
field.exist = true;
payload_index += field.len;
trace!(
"iso_field.length:{}, field.index:{}, payload_index:{}, ",
iso_field.length,
field.index,
payload_index
);
}
}
fields.push(field)
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::{str, u32};
use typenum::U128;
use iso_field::FieldCharType;
use iso_field::FieldPayload;
use iso_field::FieldSizeType;
use iso_field::IsoField;
use yaml_specs::YamlSpec;
pub struct AuthSpecs {
handle: Vec<IsoField>,
}
impl AuthSpecs {
pub fn new() -> AuthSpecs {
AuthSpecs { handle: Util::define_auth_specs() }
}
}
impl IsoSpecs for AuthSpecs {
fn get_handle(&self) -> &Vec<IsoField> {
&self.handle
}
}
struct Util;
impl Util {
pub fn define_auth_specs() -> Vec<IsoField> {
let h = vec![
IsoField::new("Message Type Indicator",FieldCharType::Iso8583_ns , 4,FieldSizeType::Fixed),
IsoField::new("Bitmap",FieldCharType::Iso8583_bmps, 16,FieldSizeType::BitMap),
IsoField::new("Primary Account Number",FieldCharType::Iso8583_ns , 19,FieldSizeType::LlVar),
IsoField::new("Processing Code",FieldCharType::Iso8583_ns , 6,FieldSizeType::Fixed),
IsoField::new("Amount, Txn",FieldCharType::Iso8583_ns , 12,FieldSizeType::Fixed),
IsoField::new("Amount, Reconciliation",FieldCharType::Iso8583_ns , 12,FieldSizeType::Fixed),
IsoField::new("Amount, Cardholder Billing",FieldCharType::Iso8583_ns , 12,FieldSizeType::Fixed),
IsoField::new("Date and Time, Transmission",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Amount, Cardholder Billing Fee",FieldCharType::Iso8583_ns , 8,FieldSizeType::Fixed),
IsoField::new("Conversion Rate, Reconciliation",FieldCharType::Iso8583_ns , 8,FieldSizeType::Fixed),
IsoField::new("Conversion Rate, Cardholder Billing",FieldCharType::Iso8583_ns , 8,FieldSizeType::Fixed),
IsoField::new("Systems Trace Audit Number",FieldCharType::Iso8583_ns , 6,FieldSizeType::Fixed),
IsoField::new("Date and Time, Local Txn",FieldCharType::Iso8583_ns , 6,FieldSizeType::Fixed),
IsoField::new("Date, Effective",FieldCharType::Iso8583_ns , 4,FieldSizeType::Fixed),
IsoField::new("Date, Expiration",FieldCharType::Iso8583_ns , 4,FieldSizeType::Fixed),
IsoField::new("Date, Settlement",FieldCharType::Iso8583_ns , 4,FieldSizeType::Fixed),
IsoField::new("Date, Conversion",FieldCharType::Iso8583_ns , 4,FieldSizeType::Fixed),
IsoField::new("Date, Capture",FieldCharType::Iso8583_ns , 4,FieldSizeType::Fixed),
IsoField::new("Merchant Type",FieldCharType::Iso8583_ns , 4,FieldSizeType::Fixed),
IsoField::new("Country Code, Acquiring Inst",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Country Code, Primary Account Number",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Country Code, Forwarding Inst",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Point of Service Data Code",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Card Sequence Number",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Function Code",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Message Reason Code",FieldCharType::Iso8583_ns , 2,FieldSizeType::Fixed),
IsoField::new("Card Acceptor Business Code",FieldCharType::Iso8583_ns , 2,FieldSizeType::Fixed),
IsoField::new("Approval Code Length",FieldCharType::Iso8583_ns , 1,FieldSizeType::Fixed),
IsoField::new("Date, Reconciliation",FieldCharType::Iso8583_ns , 9,FieldSizeType::Fixed),
IsoField::new("Reconciliation Indicator",FieldCharType::Iso8583_ns , 9,FieldSizeType::Fixed),
IsoField::new("Amounts, Original",FieldCharType::Iso8583_ns , 24,FieldSizeType::Fixed),
IsoField::new("Acquirer Reference Data",FieldCharType::Iso8583_ans, 99,FieldSizeType::LlVar),
IsoField::new(" Acquirer Inst Id Code",FieldCharType::Iso8583_ns , 11,FieldSizeType::LlVar),
IsoField::new("Forwarding Inst Id Code",FieldCharType::Iso8583_ns , 11,FieldSizeType::LlVar),
IsoField::new("Primary Account Number, Extended",FieldCharType::Iso8583_ns , 28,FieldSizeType::LlVar),
IsoField::new("Track 2 Data",FieldCharType::ISO8583_z , 37,FieldSizeType::LlVar),
IsoField::new("Track 3 Data",FieldCharType::ISO8583_z ,104,FieldSizeType::LllVar),
IsoField::new("Retrieval Reference Number",FieldCharType::Iso8583_anp, 12,FieldSizeType::Fixed),
IsoField::new("Approval Code",FieldCharType::Iso8583_anp, 6,FieldSizeType::Fixed),
IsoField::new("Action Code",FieldCharType::Iso8583_ns , 2,FieldSizeType::Fixed),
IsoField::new("Service Code",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Card Acceptor Terminal Id",FieldCharType::Iso8583_ans, 8,FieldSizeType::Fixed),
IsoField::new("Card Acceptor Id Code",FieldCharType::Iso8583_ans, 15,FieldSizeType::Fixed),
IsoField::new("Card Acceptor Name/Location",FieldCharType::Iso8583_ans, 40,FieldSizeType::Fixed),
IsoField::new("dditional Response Data",FieldCharType::Iso8583_ans, 99,FieldSizeType::LlVar),
IsoField::new("Track 1 Data",FieldCharType::Iso8583_ans, 76,FieldSizeType::LlVar),
IsoField::new("Amounts, Fees",FieldCharType::Iso8583_ans,204,FieldSizeType::LllVar),
IsoField::new("Additional Data - National",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Additional Data - Private",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Currency Code, Txn",FieldCharType::Iso8583_an , 3,FieldSizeType::Fixed),
IsoField::new("Currency Code, Reconciliation",FieldCharType::Iso8583_an , 3,FieldSizeType::Fixed),
IsoField::new("Currency Code, Cardholder Billing",FieldCharType::Iso8583_an , 3,FieldSizeType::Fixed),
IsoField::new("Personal Id Number (PIN) Data",FieldCharType::Iso8583_ans , 16,FieldSizeType::Fixed),
IsoField::new("Security Related Control Information",FieldCharType::Iso8583_ns , 16,FieldSizeType::Fixed),
IsoField::new("Amounts, Additional",FieldCharType::Iso8583_ans,120,FieldSizeType::LllVar),
IsoField::new("IC Card System Related Data",FieldCharType::Iso8583_ans ,999,FieldSizeType::LllVar),
IsoField::new("Original Data Elements",FieldCharType::Iso8583_ans , 35,FieldSizeType::LlVar),
IsoField::new("Authorization Life Cycle Code",FieldCharType::Iso8583_ans ,999,FieldSizeType::LllVar),
IsoField::new("Authorizing Agent Inst Id Cod",FieldCharType::Iso8583_ans ,999,FieldSizeType::LllVar),
IsoField::new("Transport Data",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for Private use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for Private use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Message Authentication Code Field",FieldCharType::Iso8583_b , 8,FieldSizeType::Fixed),
IsoField::new("Reserved for ISO use",FieldCharType::Iso8583_b , 8,FieldSizeType::Fixed),
IsoField::new("Reconciliation code , Original Fees",FieldCharType::Iso8583_ans, 1,FieldSizeType::Fixed),
IsoField::new("Extended Payment Data",FieldCharType::Iso8583_ns , 2,FieldSizeType::Fixed),
IsoField::new("Country Code, Receiving Inst",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Country Code, Settlement Inst",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Network Management Information Code",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Message Number",FieldCharType::Iso8583_ns , 6,FieldSizeType::Fixed),
IsoField::new("Data Record",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Date, Action",FieldCharType::Iso8583_ns , 6,FieldSizeType::Fixed),
IsoField::new("Credits, Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Credits, Reversal Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Debits, Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Debits, Reversal Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Transfer, Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Transfer, Reversal Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Inquiries, Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Authorizations, Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Inquiries, Reversal Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Payments, Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Payments, Reversal Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Fee Collections, Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Credits, Amount",FieldCharType::Iso8583_ns , 16,FieldSizeType::Fixed),
IsoField::new("Credits, Reversal Amount",FieldCharType::Iso8583_ns , 16,FieldSizeType::Fixed),
IsoField::new("Debits, Amount",FieldCharType::Iso8583_ns , 16,FieldSizeType::Fixed),
IsoField::new("Debits, Reversal Amount",FieldCharType::Iso8583_ns , 16,FieldSizeType::Fixed),
IsoField::new("Authorizations, Reversal Number",FieldCharType::Iso8583_ns , 42,FieldSizeType::Fixed),
IsoField::new("Country Code, Txn Destination Inst",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Country Code, Txn Originator Inst",FieldCharType::Iso8583_ns , 3,FieldSizeType::Fixed),
IsoField::new("Txn Destination Inst Id Code",FieldCharType::Iso8583_ns , 11,FieldSizeType::LlVar),
IsoField::new("Txn Originator Inst Id Code",FieldCharType::Iso8583_ns , 11,FieldSizeType::LlVar),
IsoField::new("Card Issuer Reference Data",FieldCharType::Iso8583_ans, 42,FieldSizeType::Fixed),
IsoField::new("Key Management Data",FieldCharType::Iso8583_b ,999,FieldSizeType::LllVar),
IsoField::new("Amount, Net Reconciliation",FieldCharType::Iso8583_xn , 17,FieldSizeType::Fixed),
IsoField::new("Payee",FieldCharType::Iso8583_ans, 25,FieldSizeType::Fixed),
IsoField::new("Settlement Inst Id Code",FieldCharType::Iso8583_an , 11,FieldSizeType::LlVar),
IsoField::new("Receiving Inst Id Code",FieldCharType::Iso8583_ns , 11,FieldSizeType::LlVar),
IsoField::new("File Name",FieldCharType::Iso8583_ans, 17,FieldSizeType::LlVar),
IsoField::new("Account Id 1",FieldCharType::Iso8583_ans, 28,FieldSizeType::LlVar),
IsoField::new("Account Id 2",FieldCharType::Iso8583_ans, 28,FieldSizeType::LlVar),
IsoField::new("Txn Description",FieldCharType::Iso8583_ans,255,FieldSizeType::LllVar),
IsoField::new("Credits, Chargeback Amount",FieldCharType::Iso8583_ns , 16,FieldSizeType::Fixed),
IsoField::new("Debits, Chargeback Amount",FieldCharType::Iso8583_ns , 16,FieldSizeType::Fixed),
IsoField::new("Credits, Chargeback Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Debits, Chargeback Number",FieldCharType::Iso8583_ns , 10,FieldSizeType::Fixed),
IsoField::new("Credits, Fee Amounts",FieldCharType::Iso8583_ans, 84,FieldSizeType::LlVar),
IsoField::new("Debits, Fee Amounts",FieldCharType::Iso8583_ans, 84,FieldSizeType::LlVar),
IsoField::new("Reserved for ISO use",FieldCharType::Iso8583_ns,12,FieldSizeType::Fixed ),
IsoField::new("Reserved for ISO use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for ISO use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for ISO use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for ISO use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for National use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for Private use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for Private use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for Private use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for Private use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Reserved for Private use",FieldCharType::Iso8583_ans,999,FieldSizeType::LllVar),
IsoField::new("Message Authentication Code Field",FieldCharType::Iso8583_b , 8,FieldSizeType::Fixed),
];
return h;
}
}
fn is_bit_set(input: u32, n: u8) -> bool {
if n < 32 { input & (1 << n) != 0 } else { false }
}
#[test]
fn bit_array_test() {
let bitmap = "F2246481087088360000000000000004";
let num_bytes: usize = bitmap.len() / 16;
let mut bv = BitArray::<u64, U128>::from_elem(false);
let mut field_index = 0;
let mut bit_map_index = 0;
let mut num_bits;
for i in 0..num_bytes {
if i == 0 {
field_index += 1;
}
if i == 0 {
num_bits = 30;
} else {
num_bits = 31;
}
let mut ms = u32::from_str_radix(&bitmap[bit_map_index..bit_map_index + 8], 16)
.unwrap();
for x in (0..num_bits).rev() {
bv.set(field_index, is_bit_set(ms, x as u8));
field_index += 1;
}
bit_map_index += 8;
let mut ls = u32::from_str_radix(&bitmap[bit_map_index..bit_map_index + 8], 16)
.unwrap();
for x in (0..num_bits).rev() {
bv.set(field_index, is_bit_set(ls, x as u8));
field_index += 1;
}
if i == 0 && !is_bit_set(ms, 31u8) {
break;
}
}
}
#[test]
fn process_bitmap_test() {
let bitmap = "0010F2246481087088360000000000000004";
let handle = AuthSpecs::new();
let (bit_arrays, _) = IsoMsg::process_bitmap(&handle, 1, bitmap.as_bytes());
assert_eq!(bit_arrays.len(), 1);
}
#[test]
fn from_byte_array_test() {
let payload = "0100F2246481087088360000000000000004016123456717929985100300000000000013112042128251178162210581284001059006419310712815007743555555555555888Test Merchant Richmond1 51USA011 N8402001010000000000014510002329467890120100 00054002140000000000012312340001080000000020120040001N 989";
let iso_spec = AuthSpecs::new();
trace!(
"iso_spec.get_handle().len(): {}",
iso_spec.get_handle().len()
);
let mut fields = Vec::<FieldPayload>::with_capacity(iso_spec.get_handle().len());
trace!("Fields length:{}", fields.len());
IsoMsg::from_byte_array(&iso_spec, &mut fields, payload.as_bytes());
}
#[test]
fn init_iso_msg_test() {
let payload = "0100F2246481087088360000000000000004016123456717929985100300000000000013112042128251178162210581284001059006419310712815007743555555555555888Test Merchant Richmond1 51USA011 N8402001010000000000014510002329467890120100 00054002140000000000012312340001080000000020120040001N 989";
let handle = AuthSpecs::new();
let mut iso_msg = IsoMsg::new(&handle, payload.as_bytes());
let mut buffer = [0u8; 1024];
{
let res = iso_msg.get_field(0, &mut buffer);
assert_eq!(res.unwrap(), 4);
trace!("mti: {}", str::from_utf8(&buffer[..4]).unwrap());
assert_eq!(&buffer[..4], "0100".as_bytes());
}
{
let res = iso_msg.get_field(1, &mut buffer);
assert_eq!(res.unwrap(), 32);
trace!("bitmap: {}", str::from_utf8(&buffer[..32]).unwrap());
assert_eq!(&buffer[..32], "F2246481087088360000000000000004".as_bytes());
}
{
trace!("get index 2: card");
let res = iso_msg.get_field(2, &mut buffer);
trace!("get index 2: card");
assert_eq!(res.unwrap(), 16);
trace!("card: {}", str::from_utf8(&buffer[..16]).unwrap());
assert_eq!(&buffer[..16], "1234567179299851".as_bytes());
}
{
let res = iso_msg.get_field(3, &mut buffer);
assert_eq!(res.unwrap(), 6);
trace!("{}", str::from_utf8(&buffer[..6]).unwrap());
assert_eq!(&buffer[..6], "003000".as_bytes());
}
{
let res = iso_msg.get_field(4, &mut buffer);
assert_eq!(res.unwrap(), 12);
assert_eq!(&buffer[..12], "000000000131".as_bytes());
}
{
let res = iso_msg.get_field(5, &mut buffer);
assert_eq!(res.is_err(), true);
assert_eq!(res, Err("Field not set"));
}
{
let _ = iso_msg.set_field(0, "0110".as_bytes());
let res = iso_msg.get_field(0, &mut buffer);
assert_eq!(res.unwrap(), 4);
assert_eq!(&buffer[..4], "0110".as_bytes());
}
{
{
let _ = iso_msg.remove_field(0);
}
{
let res = iso_msg.get_field(0, &mut buffer);
assert_eq!(res.is_err(), true);
assert_eq!(res, Err("Field not set"));
}
{
let _ = iso_msg.set_field(0, "0110".as_bytes());
}
{
let res = iso_msg.get_field(0, &mut buffer);
assert_eq!(res.unwrap(), 4);
assert_eq!(&buffer[..4], "0110".as_bytes());
}
}
}
#[test]
fn iso_to_byte_array_test() {
let payload = "0100F2246481087088360000000000000004016123456717929985100300000000000013112042128251178162210581284001059006419310712815007743555555555555888Test Merchant Richmond1 51USA011 N8402001010000000000014510002329467890120100 00054002140000000000012312340001080000000020120040001N 989";
let handle = AuthSpecs::new();
let iso_msg = IsoMsg::new(&handle, payload.as_bytes());
let mut buffer = [0u8; 1024];
let total_size = iso_msg.to_byte_array(&mut buffer);
assert_eq!(payload.len(), total_size);
assert_eq!(str::from_utf8(&buffer[0..total_size]).unwrap(), payload);
}
#[test]
fn iso_auth_req_test() {
let payload = "0100F2246481087088360000000000000004016123456717929985100300000000000013112042128251178162210581284001059006419310712815007743555555555555888Test Merchant Richmond1 51USA011 N8402001010000000000014510002329467890120100 00054002140000000000012312340001080000000020120040001N 989";
let handle = AuthSpecs::new();
let mut iso_msg = IsoMsg::new(&handle, payload.as_bytes());
let mut out_buffer = [0u8; 1024];
let mti = String::from("0110");
{
let res = iso_msg.set_field(0, &mti.as_bytes());
assert_eq!(res, Ok(()));
}
let pan = String::from("1234567229741725");
{
let res = iso_msg.set_field(2, &pan.as_bytes());
assert_eq!(res, Ok(()));
}
{
let expiry = String::from("2202");
let res = iso_msg.set_field(14, &expiry.as_bytes());
assert_eq!(res, Ok(()));
}
{
let response_code = String::from("00");
let res = iso_msg.set_field(39, &response_code.as_bytes());
assert_eq!(res, Ok(()));
}
{
let total_size = iso_msg.to_byte_array(&mut out_buffer);
trace!(
"iso_msg::to_byte_array:{}",
str::from_utf8(&out_buffer[..total_size]).unwrap()
);
assert_eq!(
str::from_utf8(&out_buffer[4..36 as usize]).unwrap(),
"F22464810A7088360000000000000004"
);
}
{
let res = iso_msg.remove_field(126);
assert_eq!(res, Ok(()));
}
{
let total_size = iso_msg.to_byte_array(&mut out_buffer);
assert!(total_size > 0);
}
{
let result_code = " M";
let res1 = iso_msg.set_field(44, result_code.as_bytes());
assert_eq!(res1, Ok(()));
}
let tiso_msg_responsebyte_array = "0110F22464810A708836000000000000000001612345672297417250030000000000001311204212825117816220258128400105900641931071281500774300555555555555888Test Merchant Richmond1 51USA011 M8402001010000000000014510002329467890120100 0005400214000000000001231234000108000000002";
let total_size = iso_msg.to_byte_array(&mut out_buffer);
assert_eq!(tiso_msg_responsebyte_array.len(), total_size);
assert_eq!(
str::from_utf8(&out_buffer[0..total_size]).unwrap(),
tiso_msg_responsebyte_array
);
}
extern crate test;
use self::test::Bencher;
#[bench]
fn bench_iso_msg_from_bytearray(b: &mut Bencher) {
let payload = "0100F2246481087088360000000000000004016123456717929985100300000000000013112042128251178162210581284001059006419310712815007743555555555555888Test Merchant Richmond1 51USA011 N8402001010000000000014510002329467890120100 00054002140000000000012312340001080000000020120040001N 989";
let handle = AuthSpecs::new();
b.iter(|| {
let _iso_msg = IsoMsg::new(&handle, payload.as_bytes());
});
}
#[bench]
fn bench_iso_msg_to_bytearray(b: &mut Bencher) {
let payload = "0100F2246481087088360000000000000004016123456717929985100300000000000013112042128251178162210581284001059006419310712815007743555555555555888Test Merchant Richmond1 51USA011 N8402001010000000000014510002329467890120100 00054002140000000000012312340001080000000020120040001N 989";
let handle = AuthSpecs::new();
let iso_msg = IsoMsg::new(&handle, payload.as_bytes());
let mut buffer = [0u8; 1024];
let mut total_size = 0;
b.iter(|| { total_size = iso_msg.to_byte_array(&mut buffer); });
assert_eq!(payload.len(), total_size);
assert_eq!(str::from_utf8(&buffer[0..total_size]).unwrap(), payload);
}
#[bench]
fn bench_iso_msg_to_from_bytearray(b: &mut Bencher) {
let payload = "0100F2246481087088360000000000000004016123456717929985100300000000000013112042128251178162210581284001059006419310712815007743555555555555888Test Merchant Richmond1 51USA011 N8402001010000000000014510002329467890120100 00054002140000000000012312340001080000000020120040001N 989";
let mut buffer = [0u8; 1024];
let mut total_size = 0;
let handle = AuthSpecs::new();
b.iter(|| {
let iso_msg = IsoMsg::new(&handle, payload.as_bytes());
total_size = iso_msg.to_byte_array(&mut buffer);
});
assert_eq!(payload.len(), total_size);
assert_eq!(str::from_utf8(&buffer[0..total_size]).unwrap(), payload);
}
}