blob: f36dacb13c96b98822eaacd9509e71cf49890da1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
# encoding: UTF-8
require 'mauve/mauve_thread'
module Mauve
class Processor < MauveThread
include Singleton
attr_accessor :transmission_cache_expire_time, :sleep_interval
def initialize
super
#
# Set up the transmission id cache
#
@transmission_id_cache = {}
@transmission_cache_expire_time = 300
@transmission_cache_checked_at = Time.now
end
def logger
@logger ||= Log4r::Logger.new(self.class.to_s)
end
def main_loop
#
# Only do the loop a maximum of 10 times every @sleep_interval seconds
#
10.times do
data, client, received_at = Server.packet_pop
#
# Uh-oh. Nil data? That's craaaazy
#
break if data.nil?
Timer.instance.freeze unless Timer.instance.frozen?
raise ArgumentError, "arse"
logger.debug("Got #{data.inspect} from #{client.inspect}")
ip_source = "#{client[3]}:#{client[1]}"
update = Proto::AlertUpdate.new
begin
update.parse_from_string(data)
if @transmission_id_cache[update.transmission_id.to_s]
logger.info("Ignoring duplicate transmission id #{update.transmission_id}")
#
# Continue with next packet.
#
next
end
logger.info "Update #{update.transmission_id} sent at #{update.transmission_time} from "+
"'#{update.source}'@#{ip_source} alerts #{update.alert.length}"
Alert.receive_update(update, received_at)
rescue Protobuf::InvalidWireType,
NotImplementedError,
DataObjects::IntegrityError => ex
logger.error "#{ex} (#{ex.class}) while parsing #{data.length} bytes "+
"starting '#{data[0..15].inspect}' from #{ip_source}"
logger.debug ex.backtrace.join("\n")
ensure
@transmission_id_cache[update.transmission_id.to_s] = MauveTime.now
end
end
ensure
#
# Thaw the timer
#
Timer.instance.thaw if Timer.instance.frozen?
end
def expire_transmission_id_cache
now = MauveTime.now
#
# Only check once every minute.
#
return unless (now - @transmission_cache_checked_at) > 60
to_delete = []
@transmission_id_cache.each do |tid, received_at|
to_delete << tid if (now - received_at) > @transmission_cache_expire_time
end
to_delete.each do |tid|
@transmission_id_cache.delete(tid)
end
@transmission_cache_checked_at = now
end
def stop
super
#
# flush the queue
#
main_loop
end
end
end
|
