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Piztor Transmission Protocol v0.2
---------------------------------
- General
- Request
::
+---4b---+---1b---+-------?b--------+
| LENGTH | OPT ID | SPECIFIC DATA |
+--int---+-uchar--+-----------------+
- Response
::
+---4b---+---1b---+------?b---------+
| LENGTH | OPT ID | SPECIFIC DATA |
+--int---+-uchar--+-----------------+
Notice that in following sections, ``LENGTH`` part is left out for clarity.
TODO: All secure requests should have username or uid provided.
- Authentication
- Request
::
+--1b---+-----?b------+-----?b-----+
| 0x00 | USERNAME | PASSWORD |
+-uchar-+-------------+------------+
- Response
::
+--1b---+---1b---+---4b----+----16b-----+
| 0x00 | STATUS | USER_ID | USER_TOKEN |
+-uchar-+--uchar-+---int---+----raw-----+
``STATUS`` :
- 0x00 for success
- 0x01 for failure
- Location Update
- Request
::
+--1b---+-----16b------+-----8b-----+------8b-----+
| 0x02 | USER_TOKEN | LATITUDE | LONGITUDE |
+-uchar-+------raw-----+---double---+---double----+
- Response
::
+--1b---+---1b---+
| 0x02 | STATUS |
+-uchar-+--uchar-+
``STATUS`` :
- 0x00 for success
- 0x01 for invalid token
- Location Information
- Request
::
+--1b---+-----16b------+------4b-----+
| 0x03 | USER_TOKEN | GROUP_ID |
+-uchar-+-----raw------+-----int-----+
- Response
::
+--1b---+---1b---+-----4b----+------20b-------+-----+
| 0x03 | STATUS | ENTRY_CNT | LOCATION_ENTRY | ... |
+-uchar-+-uchar--+----int----+----------------+-----+
``LOCATION_ENTRY`` :
::
+---4b----+----8b----+-----8b----+
| USER_ID | LATITUDE | LONGITUDE |
+---int---+--double--+--double---+
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