Class: ProxyMachine
- Inherits:
-
Object
show all
- Defined in:
- lib/proxymachine.rb,
lib/proxymachine/client_connection.rb,
lib/proxymachine/server_connection.rb,
lib/proxymachine/warning_server_connection.rb,
lib/proxymachine/callback_server_connection.rb
Defined Under Namespace
Classes: CallbackServerConnection, ClientConnection, ServerConnection, WarningServerConnection
Constant Summary
collapse
- VERSION =
'1.5.4'
- MAX_FAST_SHUTDOWN_SECONDS =
10
Class Method Summary
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Class Method Details
.connect_error_callback ⇒ Object
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# File 'lib/proxymachine.rb', line 84
def self.connect_error_callback
@@connect_error_callback
end
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.count ⇒ Object
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# File 'lib/proxymachine.rb', line 27
def self.count
@@counter
end
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.decr(client = nil) ⇒ Object
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# File 'lib/proxymachine.rb', line 40
def self.decr(client = nil)
@@decr_callback &&@@decr_callback.call(client)
@@counter -= 1
if $server.nil?
$logger.info "Waiting for #{@@counter} connections to finish."
end
self.update_procline
EM.stop if $server.nil? and @@counter == 0
@@counter
end
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.decr_callback(&block) ⇒ Object
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# File 'lib/proxymachine.rb', line 108
def self.decr_callback(&block)
@@decr_callback
end
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.fast_shutdown(signal) ⇒ Object
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# File 'lib/proxymachine.rb', line 67
def self.fast_shutdown(signal)
EM.stop_server($server) if $server
$logger.info "Received #{signal} signal. No longer accepting new connections."
$logger.info "Maximum time to wait for connections is #{MAX_FAST_SHUTDOWN_SECONDS} seconds."
$logger.info "Waiting for #{ProxyMachine.count} connections to finish."
$server = nil
EM.stop if ProxyMachine.count == 0
Thread.new do
sleep MAX_FAST_SHUTDOWN_SECONDS
exit!
end
end
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.graceful_shutdown(signal) ⇒ Object
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# File 'lib/proxymachine.rb', line 59
def self.graceful_shutdown(signal)
EM.stop_server($server) if $server
$logger.info "Received #{signal} signal. No longer accepting new connections."
$logger.info "Waiting for #{ProxyMachine.count} connections to finish."
$server = nil
EM.stop if ProxyMachine.count == 0
end
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.inactivity_error_callback ⇒ Object
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# File 'lib/proxymachine.rb', line 112
def self.inactivity_error_callback
@@inactivity_error_callback
end
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.inactivity_warning_callback ⇒ Object
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# File 'lib/proxymachine.rb', line 116
def self.inactivity_warning_callback
@@inactivity_warning_callback
end
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.incr(client = nil) ⇒ Object
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# File 'lib/proxymachine.rb', line 31
def self.incr(client = nil)
@@incr_callback && @@incr_callback.call(client)
@@totalcounter += 1
@@counter += 1
@@maxcounter = @@counter if @@counter > @@maxcounter
self.update_procline
@@counter
end
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.incr_callback(&block) ⇒ Object
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# File 'lib/proxymachine.rb', line 104
def self.incr_callback(&block)
@@incr_callback
end
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.router ⇒ Object
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# File 'lib/proxymachine.rb', line 55
def self.router
@@router
end
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.run(name, host, port) ⇒ Object
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# File 'lib/proxymachine.rb', line 120
def self.run(name, host, port)
@@totalcounter = 0
@@maxcounter = 0
@@counter = 0
@@name = name
@@listen = "#{host}:#{port}"
@@connect_error_callback ||= proc { |remote| }
@@inactivity_error_callback ||= proc { |remote| }
@@inactivity_warning_callback ||= proc { |remote| }
@@incr_callback ||= proc { |remote| }
@@decr_callback ||= proc { |remote| }
self.update_procline
EM.epoll
EM.run do
ProxyMachine::ClientConnection.start(host, port)
trap('QUIT') do
self.graceful_shutdown('QUIT')
end
trap('TERM') do
self.fast_shutdown('TERM')
end
trap('INT') do
self.fast_shutdown('INT')
end
end
end
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.set_connect_error_callback(&block) ⇒ Object
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# File 'lib/proxymachine.rb', line 80
def self.set_connect_error_callback(&block)
@@connect_error_callback = block
end
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.set_decr_callback(&block) ⇒ Object
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# File 'lib/proxymachine.rb', line 100
def self.set_decr_callback(&block)
@@decr_callback = block
end
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.set_inactivity_error_callback(&block) ⇒ Object
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# File 'lib/proxymachine.rb', line 88
def self.set_inactivity_error_callback(&block)
@@inactivity_error_callback = block
end
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.set_inactivity_warning_callback(&block) ⇒ Object
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# File 'lib/proxymachine.rb', line 92
def self.set_inactivity_warning_callback(&block)
@@inactivity_warning_callback = block
end
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.set_incr_callback(&block) ⇒ Object
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# File 'lib/proxymachine.rb', line 96
def self.set_incr_callback(&block)
@@incr_callback = block
end
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.set_router(block) ⇒ Object
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# File 'lib/proxymachine.rb', line 51
def self.set_router(block)
@@router = block
end
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.stats ⇒ Object
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# File 'lib/proxymachine.rb', line 23
def self.stats
"#{@@counter}/#{@@maxcounter}/#{@@totalcounter}"
end
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.update_procline ⇒ Object
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# File 'lib/proxymachine.rb', line 19
def self.update_procline
$0 = "proxymachine #{VERSION} - #{@@name} #{@@listen} - #{self.stats} cur/max/tot conns"
end
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