+class ::String
+ # Calculate the penalty which will be assigned to this message
+ # by the IRCd
+ def irc_send_penalty
+ # According to eggrdop, the initial penalty is
+ penalty = 1 + self.size/100
+ # on everything but UnderNET where it's
+ # penalty = 2 + self.size/120
+
+ cmd, pars = self.split($;,2)
+ debug "cmd: #{cmd}, pars: #{pars.inspect}"
+ case cmd.to_sym
+ when :KICK
+ chan, nick, msg = pars.split
+ chan = chan.split(',')
+ nick = nick.split(',')
+ penalty += nick.size
+ penalty *= chan.size
+ when :MODE
+ chan, modes, argument = pars.split
+ extra = 0
+ if modes
+ extra = 1
+ if argument
+ extra += modes.split(/\+|-/).size
+ else
+ extra += 3 * modes.split(/\+|-/).size
+ end
+ end
+ if argument
+ extra += 2 * argument.split.size
+ end
+ penalty += extra * chan.split.size
+ when :TOPIC
+ penalty += 1
+ penalty += 2 unless pars.split.size < 2
+ when :PRIVMSG, :NOTICE
+ dests = pars.split($;,2).first
+ penalty += dests.split(',').size
+ when :WHO
+ # I'm too lazy to implement this one correctly
+ penalty += 5
+ when :AWAY, :JOIN, :VERSION, :TIME, :TRACE, :WHOIS, :DNS
+ penalty += 2
+ when :INVITE, :NICK
+ penalty += 3
+ when :ISON
+ penalty += 1
+ else # Unknown messages
+ penalty += 1
+ end
+ if penalty > 99
+ debug "Wow, more than 99 secs of penalty!"
+ penalty = 99
+ end
+ if penalty < 2
+ debug "Wow, less than 2 secs of penalty!"
+ penalty = 2
+ end
+ debug "penalty: #{penalty}"
+ return penalty
+ end
+end
+
module Irc
require 'socket'
end
def length
- length = 0
+ len = 0
@storage.each {|c|
- length += c[1].length
+ len += c[1].size
}
- return length
+ return len
end
+ alias :size :length
def empty?
@storage.empty?
return nil
end
save_idx = @last_idx
- @last_idx = (@last_idx + 1) % @storage.length
+ @last_idx = (@last_idx + 1) % @storage.size
mess = @storage[@last_idx][1].first
@last_idx = save_idx
return mess
warning "trying to access empty ring"
return nil
end
- @last_idx = (@last_idx + 1) % @storage.length
+ @last_idx = (@last_idx + 1) % @storage.size
mess = @storage[@last_idx][1].shift
@storage.delete(@storage[@last_idx]) if @storage[@last_idx][1] == []
return mess
def length
len = 0
@rings.each { |r|
- len += r.length
+ len += r.size
}
len
end
+ alias :size :length
def next
if empty?
mess = @rings[0].first
else
save_ring = @last_ring
- (@rings.length - 1).times {
- @last_ring = (@last_ring % (@rings.length - 1)) + 1
+ (@rings.size - 1).times {
+ @last_ring = (@last_ring % (@rings.size - 1)) + 1
if !@rings[@last_ring].empty?
mess = @rings[@last_ring].next
break
if !@rings[0].empty?
return @rings[0].shift
end
- (@rings.length - 1).times {
- @last_ring = (@last_ring % (@rings.length - 1)) + 1
+ (@rings.size - 1).times {
+ @last_ring = (@last_ring % (@rings.size - 1)) + 1
if !@rings[@last_ring].empty?
return @rings[@last_ring].shift
end
# max lines to burst
attr_reader :sendq_burst
- # server:: server to connect to
- # port:: IRCd port
+ # an optional filter object. we call @filter.in(data) for
+ # all incoming data and @filter.out(data) for all outgoing data
+ attr_reader :filter
+
+ # normalized uri of the current server
+ attr_reader :server_uri
+
+ # default trivial filter class
+ class IdentityFilter
+ def in(x)
+ x
+ end
+
+ def out(x)
+ x
+ end
+ end
+
+ # set filter to identity, not to nil
+ def filter=(f)
+ @filter = f || IdentityFilter.new
+ end
+
+ # server_list:: list of servers to connect to
# host:: optional local host to bind to (ruby 1.7+ required)
# create a new IrcSocket
- def initialize(server, port, host, sendq_delay=2, sendq_burst=4)
+ def initialize(server_list, host, sendq_delay=2, sendq_burst=4, opts={})
@timer = Timer::Timer.new
@timer.add(0.2) do
spool
end
- @server = server.dup
- @port = port.to_i
+ @server_list = server_list.dup
+ @server_uri = nil
+ @conn_count = 0
@host = host
@sock = nil
+ @filter = IdentityFilter.new
@spooler = false
@lines_sent = 0
@lines_received = 0
+ if opts.kind_of?(Hash) and opts.key?(:ssl)
+ @ssl = opts[:ssl]
+ else
+ @ssl = false
+ end
+
if sendq_delay
@sendq_delay = sendq_delay.to_f
else
@sendq_delay = 2
end
@last_send = Time.new - @sendq_delay
+ @flood_send = Time.new
@last_throttle = Time.new
@burst = 0
if sendq_burst
warning "reconnecting while connected"
return
end
+ srv_uri = @server_list[@conn_count % @server_list.size].dup
+ srv_uri = 'irc://' + srv_uri if !(srv_uri =~ /:\/\//)
+ @conn_count += 1
+ @server_uri = URI.parse(srv_uri)
+ @server_uri.port = 6667 if !@server_uri.port
+ debug "connection attempt \##{@conn_count} (#{@server_uri.host}:#{@server_uri.port})"
+
if(@host)
begin
- @sock=TCPSocket.new(@server, @port, @host)
+ @sock=TCPSocket.new(@server_uri.host, @server_uri.port, @host)
rescue ArgumentError => e
error "Your version of ruby does not support binding to a "
error "specific local address, please upgrade if you wish "
error "to use HOST = foo"
error "(this option has been disabled in order to continue)"
- @sock=TCPSocket.new(@server, @port)
+ @sock=TCPSocket.new(@server_uri.host, @server_uri.port)
end
else
- @sock=TCPSocket.new(@server, @port)
+ @sock=TCPSocket.new(@server_uri.host, @server_uri.port)
+ end
+ if(@ssl)
+ require 'openssl'
+ ssl_context = OpenSSL::SSL::SSLContext.new()
+ ssl_context.verify_mode = OpenSSL::SSL::VERIFY_NONE
+ @rawsock = @sock
+ @sock = OpenSSL::SSL::SSLSocket.new(@rawsock, ssl_context)
+ @sock.sync_close = true
+ @sock.connect
end
@qthread = false
@qmutex = Mutex.new
end
end
+ def handle_socket_error(string, e)
+ error "#{string} failed: #{e.pretty_inspect}"
+ # We assume that an error means that there are connection
+ # problems and that we should reconnect, so we
+ shutdown
+ raise SocketError.new(e.inspect)
+ end
+
# get the next line from the server (blocks)
def gets
if @sock.nil?
return nil
end
begin
- reply = @sock.gets
+ reply = @filter.in(@sock.gets)
@lines_received += 1
reply.strip! if reply
debug "RECV: #{reply.inspect}"
return reply
- rescue => e
- warning "socket get failed: #{e.inspect}"
- debug e.backtrace.join("\n")
- return nil
+ rescue Exception => e
+ handle_socket_error(:RECV, e)
end
end
end
now = Time.new
if (now >= (@last_send + @sendq_delay))
- # after @sendq_delay has passed, we allow more @burst
- # instead of resetting it to 0, we reduce it by 1
- debug "decreasing @burst"
- @burst -= 1 if @burst > 0
- elsif (@burst >= @sendq_burst)
+ debug "resetting @burst"
+ @burst = 0
+ elsif (@burst > @sendq_burst)
# nope. can't send anything, come back to us next tick...
debug "can't send yet"
@timer.start
return
end
- debug "can send #{@sendq_burst - @burst} lines, there are #{@sendq.length} to send"
- while !@sendq.empty? and @burst < @sendq_burst and now > @last_send - MAX_IRC_SEND_PENALTY
- mess = @sendq.next
- puts_critical(@sendq.shift)
- @last_send += mess.irc_send_penalty
+ @flood_send = now if @flood_send < now
+ debug "can send #{@sendq_burst - @burst} lines, there are #{@sendq.size} to send"
+ while !@sendq.empty? and @burst < @sendq_burst and @flood_send - now < MAX_IRC_SEND_PENALTY
+ debug "sending message (#{@flood_send - now} < #{MAX_IRC_SEND_PENALTY})"
+ puts_critical(@sendq.shift, true)
end
if @sendq.empty?
@timer.stop
end
- rescue => e
- error "Spooling failed: #{e.inspect}"
- error e.backtrace.join("\n")
+ rescue Exception => e
+ error "Spooling failed: #{e.pretty_inspect}"
+ raise e
end
end
end
# shutdown the connection to the server
def shutdown(how=2)
- @sock.shutdown(how) unless @sock.nil?
+ return unless connected?
+ begin
+ @sock.close
+ rescue Exception => e
+ error "error while shutting down: #{e.pretty_inspect}"
+ end
+ @rawsock = nil if @ssl
@sock = nil
@burst = 0
+ @sendq.clear
end
private
# same as puts, but expects to be called with a mutex held on @qmutex
- def puts_critical(message)
+ def puts_critical(message, penalty=false)
# debug "in puts_critical"
begin
debug "SEND: #{message.inspect}"
if @sock.nil?
error "SEND attempted on closed socket"
else
- @sock.send(message + "\n",0)
+ @sock.puts(@filter.out(message))
@last_send = Time.new
+ @flood_send += message.irc_send_penalty if penalty
@lines_sent += 1
@burst += 1
end
- rescue => e
- error "SEND failed: #{e.inspect}"
- raise
+ rescue Exception => e
+ handle_socket_error(:SEND, e)
end
end
projects / user / henk / code / ruby / rbot.git / blobdiff