americanexpress / simplemli
Message Length Indicators (MLI) are commonly used in communications over raw TCP/IP sockets. This method of denoting message length is especially popular with users of ISO 8583 messages, a common communication protocol for financial transactions.
For example, if a message is 1500 bytes and 2I encoded, the resulting MLI will have a value of 1502. The reverse is true for Exclusive MLI types, a 1500-byte message with a 2E encoded MLI will have a value of 1500.
When calling the Decoder, the MLI inclusive/exclusive nature is already taken care of. If you pass an MLI with a value of 1502 and decode it with 2I encoding. The resulting integer will be 1500.
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