[tor-bugs] #2291 [Tor Relay]: GETINFO Expansion

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#2291: GETINFO Expansion
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 Reporter:  atagar       |       Owner:     
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:     
Component:  Tor Relay    |     Version:     
 Keywords:               |      Parent:     
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 Hi. I've made the changes for some of the low hanging fruit for proposal
 173 (getinfo-option-expansion). These are platform specific changes and
 mostly just concern the handling on *nix platforms (tested under 32bit
 Ubuntu 9.10). The one exception is the pid, where I'm fetching it via the
 same method as what we do for the PidFile.

 Implemented:
 "process/pid" -- Process id belonging to the main tor process.
 "process/uid" -- User id running the tor process, -1 if unknown.
 "process/user" -- Username under which the tor process is running,
 providing an empty string if none exists.
 "process/descriptor-limit" -- File descriptor limit, -1 if unknown.

 A few others from the proposal would be nice, but look more involved. If
 these are trivial then please give me a hint and I'll include them too:
 "relay/read-total" -- Total bytes relayed (download).
 "relay/write-total" -- Total bytes relayed (upload).
 "process/descriptors-used" -- Count of file descriptors used.
 "ns/authority" -- Router status info (v2 directory style) for all
 recognized directory authorities, joined by newlines.

 Most of the other can be inferred from controllers so I'm not as
 interested in them. Providing the pid via the control port will also
 resolve:
 https://trac.torproject.org/projects/tor/ticket/1388

 Cheers! -Damian

 PS. I'm using the PidFile as my example for cross-platform support, which
 might be unwise (it just splits between Windows/Non-Windows use cases).
 I'm not spotting anything that looks like an "#ifdef UNIX" in the tor code
 - is this the proper approach for cross-platform functionality?

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2291>
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