7 # wrapped TCPSocket for communication with the server.
8 # emulates a subset of TCPSocket functionality
10 # total number of lines sent to the irc server
11 attr_reader :lines_sent
13 # total number of lines received from the irc server
14 attr_reader :lines_received
16 # delay between lines sent
17 attr_reader :sendq_delay
20 attr_reader :sendq_burst
22 # server:: server to connect to
24 # host:: optional local host to bind to (ruby 1.7+ required)
25 # create a new IrcSocket
26 def initialize(server, port, host, sendq_delay=2, sendq_burst=4)
27 @timer = Timer::Timer.new
39 @sendq_delay = sendq_delay.to_f
43 @last_send = Time.new - @sendq_delay
46 @sendq_burst = sendq_burst.to_i
52 # open a TCP connection to the server
57 @sock=TCPSocket.new(@server, @port, @host)
58 rescue ArgumentError => e
59 $stderr.puts "Your version of ruby does not support binding to a "
60 $stderr.puts "specific local address, please upgrade if you wish "
61 $stderr.puts "to use HOST = foo"
62 $stderr.puts "(this option has been disabled in order to continue)"
63 @sock=TCPSocket.new(@server, @port)
66 @sock=TCPSocket.new(@server, @port)
73 def sendq_delay=(newfreq)
74 debug "changing sendq frequency to #{newfreq}"
75 @qmutex.synchronize do
76 @sendq_delay = newfreq
86 def sendq_burst=(newburst)
87 @qmutex.synchronize do
88 @sendq_burst = newburst
92 # used to send lines to the remote IRCd
93 # message: IRC message to send
95 @qmutex.synchronize do
96 # debug "In puts - got mutex"
97 puts_critical(message)
101 # get the next line from the server (blocks)
105 reply.strip! if reply
106 debug "RECV: #{reply.inspect}"
112 @qmutex.synchronize do
117 # just send it if queueing is disabled
122 # pop a message off the queue, send it
129 if (now >= (@last_send + @sendq_delay))
130 # reset burst counter after @sendq_delay has passed
132 debug "in spool, resetting @burst"
133 elsif (@burst >= @sendq_burst)
134 # nope. can't send anything, come back to us next tick...
138 @qmutex.synchronize do
139 debug "(can send #{@sendq_burst - @burst} lines, there are #{@sendq.length} to send)"
140 (@sendq_burst - @burst).times do
141 break if @sendq.empty?
142 puts_critical(@sendq.shift)
152 @qmutex.synchronize do
158 # flush the TCPSocket
163 # Wraps Kernel.select on the socket
164 def select(timeout=nil)
165 Kernel.select([@sock], nil, nil, timeout)
168 # shutdown the connection to the server
170 @sock.shutdown(how) unless @sock.nil?
176 # same as puts, but expects to be called with a mutex held on @qmutex
177 def puts_critical(message)
178 # debug "in puts_critical"
179 debug "SEND: #{message.inspect}"
180 @sock.send(message + "\n",0)
181 @last_send = Time.new