PoliBa-Software-Architecture/Message-Utils
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Christian Risi
2024-12-18 13:27:32 +01:00
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# Message Structure
```
+-+ 64 - bits---+----------------+-------------+----------------+-----------------------+
|0| Version 7 | Message Type 8 | Dev Type 8 | RESERVED 8 | Sign Type 32 |
+-+-------------+----------------+-------------+----------------+-----------------------+
| Timestamp 64 |
+---------------------------------------------------------------------------------------+
| DevID 128 bits |
| |
+---------------------------------------------------------------------------------------+
| Location 192 bits |
| |
| |
+---------------------------------------------------------------------------------------+
\ /
| Fields -----------------------------------------------------------------------------|
/ \
+---------------------------------------------------------------------------------------+
| 0 Padding 64 - n |
+---------------------------------------------------------------------------------------+
| Signature up to-512 bits |
| |
| |
| |
| |
| |
| |
| |
+---------------------------------------------------------------------------------------+
```
# Fields
each field can be at most 8 * 2^32 bits of length:
- 34359738368 bits
- 4294967296 Bytes
## Key
**MUST** be a `String`
## Value
It's up to the Application to decide whether the value is
a string or another type of datum
```
+-- 64 - bits--------------------------+----------------------------------------+
| Key-Length 32 | Value-Length 32 |
+--------------------------------------+----------------------------------------+
\ Key /
|-----------------------------------------------------------------------------|
/ Value \
+-------------------------------------------------------------------------------+
```