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|
#! /usr/bin/ruby1.8
# NAME
# mauveserver -- receive alerts from station(s) around the network
#
# SYNOPSIS
# mauveserver [ -h | --help ] [-m | --manual] [-V | --version] [<configuration file>]
#
# OPTIONS
# -h, --help Show a help message, and exit.
#
# -V, --version Show the version, and exit.
#
# -m, --manual Show this manual, and exit.
#
# <configuration file> File from whence to load the configuration. If none is
# specified, then mauvealert.conf in the current
# directory is used, and failing that
# /etc/mauvealert/mauvealert.conf is used.
#
# SEE ALSO
# mauveclient(1), mauveconsole(1)
#
# AUTHOR
# Patrick J Cherry <patrick@bytemark.co.uk>
#
def error(msg)
STDERR.print "*** Error: #{msg}\n"
STDERR.print "*** For help, type: #{$0} -h\n"
exit 1
end
help = ARGV.any?{|a| a =~ /-(h|-help)/}
version = ARGV.any?{|a| a =~ /-(V|-version)/}
manual = ARGV.any?{|a| a =~ /-(m|-manual)/}
#
# CAUTION! Kwality kode.
#
if manual or help
# Open the file, stripping the shebang line
lines = File.open(__FILE__){|fh| fh.readlines}[1..-1]
found_synopsis = false
lines.each do |line|
line.chomp!
break if line.empty?
if help and !found_synopsis
found_synopsis = (line =~ /^#\s+SYNOPSIS\s*$/) if !found_synopsis
next
end
puts line[2..-1].to_s
break if help and found_synopsis and line =~ /^#\s*$/
end
end
require 'mauve/version'
puts "#{$0}: version "+Mauve::VERSION if version
exit 0 if help or version or manual
begin
eval "Proc.new { |a,&b| }"
rescue SyntaxError => no_blocks_with_procs
error "mauveserver must have Ruby 1.8.7 or later."
end
configuration_file = ARGV.shift
configuration_file = [".", "/etc/mauvealert/"].collect{|x| File.join(x, "mauveserver.conf") }.find{|d| File.file?(d)} if configuration_file.nil?
configuration_file = File.expand_path(configuration_file) unless configuration_file.nil?
if configuration_file.nil?
error "No configuration file could be found\n"
end
unless File.file?(configuration_file)
error "Configuration file #{configuration_file} not found\n"
end
require 'mauve/configuration'
begin
Mauve::Configuration.current = Mauve::ConfigurationBuilder.load(configuration_file)
rescue StandardError => ex
error ex.message
end
%w(HUP).each do |sig|
trap(sig) do
Mauve::Server.instance.logger.warn "#{sig} signal received. Restarting."
Mauve::Server.instance.stop
#
# Reload configuration
#
begin
new_config = Mauve::ConfigurationBuilder.load(configuration_file)
Mauve::Configuration.current = new_config
rescue BuildException => ex
Mauve::Server.instance.logger.error "Reconfiguration failed: #{ex.to_s}. Sticking with old one."
end
Mauve::Server.instance.logger.warn "Restarting."
Mauve::Server.instance.start
end
end
%w(USR1).each do |sig|
trap(sig) do
Mauve::Server.instance.logger.warn "#{sig} signal received. Re-opening logs."
Log4r::Outputter.each_outputter do |old|
next unless old.is_a?(Log4r::FileOutputter)
new = Log4r::FileOutputter.new(old.name, {:filename => old.filename, :trunc => false})
new.formatter = old.formatter
new.level = old.level
Mauve::Server.instance.logger.info "Closing #{old.filename}."
#
# Delete the outputter from each logger.
#
Log4r::Logger.each_logger do |l|
l.outputters << new
l.outputters.delete(old)
end
old.close
Mauve::Server.instance.logger.info "Opened #{new.filename}."
end
end
end
%w(QUIT TERM INT).each do |sig|
trap(sig) do
Mauve::Server.instance.logger.warn "#{sig} signal received. Stopping."
Mauve::Server.instance.stop
exit 0
end
end
begin
Mauve::Server.instance.run
rescue StandardError => ex
error ex.message
end
|