Difference between revisions of "Deployment Platform/Sneakernet/Packets format"

From Sugar Labs
Jump to navigation Jump to search
 
(2 intermediate revisions by the same user not shown)
Line 18: Line 18:
 
== Record types ==
 
== Record types ==
  
−
* Push changes of Sugar Network resource's properties.
+
Push changes of Sugar Network resource's properties.
 
:* {{Code|cmd: sn_push}};
 
:* {{Code|cmd: sn_push}};
 
:* {{Code|content_type: records}};
 
:* {{Code|content_type: records}};
Line 25: Line 25:
 
:* {{Code|diff}}, dictionary of {{Code|<prop_name>: {"value": <value>, "mtime": <mtime>}}} with changed property values.
 
:* {{Code|diff}}, dictionary of {{Code|<prop_name>: {"value": <value>, "mtime": <mtime>}}} with changed property values.
  
−
* '''ACK''' packet:
+
'''ACK''' packet:
 
:* {{Code|type}}: {{Code|ack}}
 
:* {{Code|type}}: {{Code|ack}}
 
:* {{Code|src}}: master's identity
 
:* {{Code|src}}: master's identity
Line 32: Line 32:
 
:* {{Code|pull_sequence}}: Sequence after merging original PUSH packet
 
:* {{Code|pull_sequence}}: Sequence after merging original PUSH packet
  
−
* Pull Sugar Network data.
+
Pull Sugar Network data.
 
:* {{Code|cmd: sn_pull}};
 
:* {{Code|cmd: sn_pull}};
 
:* {{Code|sequence}}: sequence to pull.
 
:* {{Code|sequence}}: sequence to pull.
  
−
* Pull files from shared directory.
+
Pull files from shared directory.
 
:* {{Code|cmd: files_pull}};
 
:* {{Code|cmd: files_pull}};
 
:* {{Code|directory}}, synchronized directory to pull;
 
:* {{Code|directory}}, synchronized directory to pull;
 
:* {{Code|sequence}}, sequence to pull.
 
:* {{Code|sequence}}, sequence to pull.
 +
 +
Push a file from shared directory.
 +
:* {{Code|cmd: files_push}};
 +
:* {{Code|directory}}, synchronized directory;
 +
:* {{Code|path}}, pushed file path relative to {{Code|directory}};
 +
 +
Push deleted file from shared directory.
 +
:* {{Code|cmd: files_delete}};
 +
:* {{Code|directory}}, synchronized directory;
 +
:* {{Code|path}}, pushed file path relative to {{Code|directory}};
 +
 +
Commit recently pushed shared files.
 +
:* {{Code|cmd: files_commit}};
 +
:* {{Code|directory}}, synchronized directory;
 +
:* {{Code|sequence}}, pushed sequence.
 +
 +
Push usage statistics.
 +
:* {{Code|cmd: stats_push}};
 +
:* {{Code|user}}, user GUID;
 +
:* {{Code|db}}, RRD dn name;
 +
:* {{Code|sequence}}, pushed sequence.
 +
 +
ACK pushed usage statistics.
 +
:* {{Code|cmd: stats_ack}};
 +
:* {{Code|sequence}}, pushed sequence as {{Code|{user: {db: sequence}}}} dictionary.

Latest revision as of 15:32, 8 October 2012

Packets format

Packets are tarball files with .packet suffix.

On logic level, every packet consists of:

  • one header, a dictionary of key-value pairs;
  • records, a dictionary of key-value pairs and optional data depending on record type.

Header

Header is being stored in JSON notation in /header file in packet tarball.

  • src, sender's GUID
  • dst, optional destination GUID
  • filename, suggested file name for packet file, it is assumed to be unique

Record types

Push changes of Sugar Network resource's properties.

  • cmd: sn_push;
  • content_type: records;
  • document, Sugar Network resource to push diff to;
  • guid, document GUID to push diff for;
  • diff, dictionary of <prop_name>: {"value": <value>, "mtime": <mtime>} with changed property values.

ACK packet:

  • type: ack
  • src: master's identity
  • dst: receiver's identity ack is intended for
  • push_sequence: original PUSH packet's sequence
  • pull_sequence: Sequence after merging original PUSH packet

Pull Sugar Network data.

  • cmd: sn_pull;
  • sequence: sequence to pull.

Pull files from shared directory.

  • cmd: files_pull;
  • directory, synchronized directory to pull;
  • sequence, sequence to pull.

Push a file from shared directory.

  • cmd: files_push;
  • directory, synchronized directory;
  • path, pushed file path relative to directory;

Push deleted file from shared directory.

  • cmd: files_delete;
  • directory, synchronized directory;
  • path, pushed file path relative to directory;

Commit recently pushed shared files.

  • cmd: files_commit;
  • directory, synchronized directory;
  • sequence, pushed sequence.

Push usage statistics.

  • cmd: stats_push;
  • user, user GUID;
  • db, RRD dn name;
  • sequence, pushed sequence.

ACK pushed usage statistics.

  • cmd: stats_ack;
  • sequence, pushed sequence as {user: {db: sequence}} dictionary.
Retrieved from "https://wiki.sugarlabs.org/index.php?title=Deployment_Platform/Sneakernet/Packets_format&oldid=83540"