Class: Grueserve::Server
Defined Under Namespace
Modules: ClientSocket
Constant Summary
Constants included
from Debuggable
Debuggable::LEVELS
Instance Method Summary
collapse
Methods included from Debuggable
format, level, level=, #method_missing, output, #report, #report_for, #reset, #reset_for, source_part, #time
Constructor Details
#initialize(options = {}) ⇒ Server
Returns a new instance of Server.
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# File 'lib/grueserve/server.rb', line 82
def initialize(options = {})
@port = options.delete(:port) || 25999
raise "#{self.class}.new requires an :application argument." unless options.include?(:application)
@application = options.delete(:application)
@frequency = options.delete(:frequency) || 100
raise "Unknown options to #{self.class}: #{options.inspect}" unless options.empty?
@sockets = []
@sockets_to_close = Set.new
end
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Dynamic Method Handling
This class handles dynamic methods through the method_missing method
in the class Grueserve::Debuggable
Instance Method Details
#kill_socket(socket) ⇒ Object
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# File 'lib/grueserve/server.rb', line 131
def kill_socket(socket)
socket.client.shutdown
@sockets.delete(socket)
@sockets_to_close << socket
end
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#start! ⇒ Object
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# File 'lib/grueserve/server.rb', line 92
def start!
start_updating!
start_listening!
start_serving!
end
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#start_listening! ⇒ Object
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# File 'lib/grueserve/server.rb', line 137
def start_listening!
@listener ||= nil
@listener.kill if @listener.respond_to?(:kill)
@listener = Thread.new do
loop do
begin
to_close = @sockets_to_close.to_a
while (socket = to_close.shift)
socket.close unless socket.closed?
end
read_ready, write_read, errors = select(@sockets, nil, @sockets, 1)
unless errors.nil?
errors.each do |socket|
log_warn("Going to drop #{socket} from #{@sockets.inspect} since it got an error")
kill_socket(socket)
end
end
unless read_ready.nil?
read_ready.each do |socket|
if socket.eof?
log_info("Going to drop #{socket} from #{@sockets.inspect} since it is closed")
kill_socket(socket)
else
begin
socket.handle_input
rescue ClientSocket::PolicyFileRequest => e
log_info("Got policy file request from #{socket.inspect}")
socket.client.handle_policy_request
end
end
end
end
rescue Exception => e
log_warn(e)
end
end
end
log_debug("Started listener")
end
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#start_serving! ⇒ Object
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# File 'lib/grueserve/server.rb', line 177
def start_serving!
log_debug("Starting serving")
@server ||= nil
@server.close if @server.respond_to?(:close)
@server = TCPServer.new(@port)
loop do
begin
socket = @server.accept_nonblock
socket.extend(ClientSocket)
socket.init_client_socket(Client.new(:socket => socket, :application => @application), self)
log_info("Received #{socket}, adding it to #{@sockets.inspect}")
@sockets << socket
rescue Errno::EAGAIN, Errno::ECONNABORTED, Errno::EPROTO, Errno::EINTR => e
log_trace("Got TCPServer error: #{e}")
IO.select([@server])
retry
rescue Exception => e
log_warn(e)
end
end
end
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#start_updating! ⇒ Object
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# File 'lib/grueserve/server.rb', line 98
def start_updating!
@updater ||= nil
@updater.kill if @updater.respond_to?(:kill)
@updater = Thread.new do
counter = 0
timer = Time.now
sleep_sum = 0
loop do
begin
start_time = Time.now
@application.map.update!
if (diff = (1.0 / @frequency) - ((stop_time = Time.now).to_f - start_time.to_f)) > 0
sleep_sum += diff
sleep(diff)
end
counter += 1
if Time.now - timer > 10
avg_frequency = counter / (Time.now.to_f - timer.to_f)
avg_sleep = sleep_sum / (Time.now.to_f - timer.to_f)
log_info("Avg frequency: #{avg_frequency}, sleeping #{(avg_sleep * 100).to_i}% of the time")
report
reset
timer = Time.now
counter = 0
sleep_sum = 0
end
rescue Exception => e
log_warn(e)
end
end
end
end
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