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#!/usr/bin/ruby
# process-consensus - read a current consensus document, inserting the
# information into a database then calling
# update-named-status.rb to update the name-binding
# flags
#
# Copyright (c) 2007 Peter Palfrader
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
require "yaml"
require 'db'
require 'db-config'
require 'update-named-status'
$db = Db.new($CONFIG['database']['dbhost'], $CONFIG['database']['dbname'], $CONFIG['database']['user'], $CONFIG['database']['password'])
$router_cache = {}
$nickname_cache = {}
def parse_consensus consensus
ts = nil
routers = []
consensus.each do |line|
(key, value) = line.split(' ',2)
case key
when "valid-after", "published": ts = DateTime.parse(value)
when "r":
(nick, fpr, _) = value.split(' ', 3)
nick.downcase!
next if nick == 'unnamed'
routers << {
'nick' => nick,
'fingerprint' => (fpr+'=').unpack('m').first.unpack('H*').first
}
end
end
throw "Did not find a timestamp" unless ts
throw "Did not find any routers" unless routers.size > 0
return ts, routers
end
def insert_routers_into_db(router, table, field, value)
pk = table+'_id'
row = $db.query_row("SELECT #{pk} FROM #{table} WHERE #{field}=?", value)
if row
return row[pk]
else
r = { field => value }
$db.insert_row( table, r )
return r[pk]
end
end
def handle_one_consensus(c)
puts "parsing..." if $verbose
timestamp, routers = parse_consensus c
puts "storing..." if $verbose
routers.each do |router|
fpr = router['fingerprint']
nick = router['nick']
$router_cache[fpr] = router_id = ($router_cache[fpr] or insert_routers_into_db(router, 'router', 'fingerprint', router['fingerprint']))
$nickname_cache[nick] = nickname_id = ($nickname_cache[nick] or insert_routers_into_db(router, 'nickname', 'nick', router['nick']))
row = $db.update(
'router_claims_nickname',
{ 'last_seen' => timestamp.to_s },
{ 'router_id' => router_id, 'nickname_id' => nickname_id} )
case row
when 0:
$db.insert('router_claims_nickname',
{
'first_seen' => timestamp.to_s,
'last_seen' => timestamp.to_s,
'router_id' => router_id, 'nickname_id' => nickname_id} )
when 1:
else
throw "Update of router_claims_nickname returned unexpected number of affected rows(#{row})"
end
end
end
$db.transaction_begin
if ARGV.first == '-v'
$verbose = true
ARGV.shift
end
if ARGV.size == 0
handle_one_consensus STDIN.readlines
do_update $verbose
else
ARGV.each do |filename|
puts filename if $verbose
handle_one_consensus File.new(filename).readlines
puts "updating..." if $verbose
do_update $verbose
end
end
$db.transaction_commit
|