[tor-dev] TorBEL migration

[Sreenatha Bhatlapenumarthi <sreenatha.dev@xxxxxxxxx>]

Hi,

  My name is Sreenatha Bhatlapenumarthi. I'd like to migrate TorBEL 

  from TorCtl to Stem as a part of GSoC'13 project this summer.

  Damian pointed out that there is still some improvement to be made to

  TorBEL to replace DNSEL. I've downloaded the source code from [0] and 

  started looking around for missing functionality and components that use 

  TorCtl(and hence need migration) and here is what I've observed:

• TorBEL components that use TorCtl
• Controller - control.py
• Logger - logger.py
• Router - router.py
• Tests - tests.py
• The main interface - torbel
• Exit policies of narrow_exit routers can be checked in Router.will_exit_to[1]
• RouterRecord.update_to()[2] can use "Router Status Entry" descriptors[3] to update the router's attributes
• I think the following line[4] in network.py has a bug - socket.inet_aton works only for IPv4 addresses[5].
•  (ip,) = struct.unpack(">I", socket.inet_aton(peer.host))

 Please let me know if I've missed something or got something wrong.

 I donot have any background on Haskell as such but if you recommend that I

 learn it inorder to understand TorDNSEL, I am prepared to spend the required

 amount of time learning it during May before the coding period starts. Also, can 

 you give me a rough estimate of how long you think the migration will take so that 

 I can plan the project timeline accordingly?

 

 Thanks for taking your time out to read this.

[0] - https://git.torproject.org/torbel.git

[1] - https://github.com/lucyd/torbel/blob/master/query.py#L85

[2] - https://github.com/lucyd/torbel/blob/master/router.py#L125

[3] - https://stem.torproject.org/api/descriptor/router_status_entry.html#stem.descriptor.router_status_entry.RouterStatusEntry

[4] - https://github.com/lucyd/torbel/blob/master/network.py#L75

[5] - http://docs.python.org/2/library/socket.html#socket.inet_aton

Cheers,

Sreenatha

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