Function test_decoding

src/proxy/http2/test_HPACK.cc:162–213

Returns -1 if test passes, or returns the failed sequence number

// Returns -1 if test passes, or returns the failed sequence number
int
test_decoding(const string &filename)
{
  HpackIndexingTable indexing_table(INITIAL_TABLE_SIZE);
  string             line, name, value;
  uint8_t            unpacked[8192];
  size_t             unpacked_len;
  int                result = -1;
  HTTPHdr            original, decoded;
  MIMEField         *field;

  decoded.create(HTTP_TYPE_REQUEST);
  original.create(HTTP_TYPE_REQUEST);

  int      seqnum = -1;
  ifstream ifs(filename);
  while (ifs && getline(ifs, line) && result == -1) {
    switch (line.find_first_of('"')) {
    case 6:
      switch (line[6 + 1]) {
      case 's':
        // This line should be the start of new case
        // Check the last case
        if (compare_header_fields(&decoded, &original) != 0) {
          result = seqnum;
          break;
        }
        // Prepare for next sequence
        ++seqnum;
        decoded.fields_clear();
        original.fields_clear();
        break;
      case 'w':
        parse_line(line, 6, name, value);
        unpacked_len = unpack(value, unpacked);
        hpack_decode_header_block(indexing_table, &decoded, unpacked, unpacked_len, MAX_REQUEST_HEADER_SIZE, MAX_TABLE_SIZE);
        break;
      }
      break;
    case 10:
      // This line should be a header field
      parse_line(line, 10, name, value);
      field = original.field_create(name.c_str(), name.length());
      field->value_set(original.m_heap, original.m_mime, value.c_str(), value.length());
      original.field_attach(field);
      break;
    }
  }
  decoded.destroy();
  original.destroy();
  return result;
}

int
test_encoding(const string &filename_in, const string &filename_out)