module DRbQS::Misc
Constants
- STRINGS_FOR_KEY
Public Class Methods
# File lib/drbqs/utility/misc.rb, line 46 def create_logger(log_file, log_level) if IO === log_file log_output = log_file elsif log_file log_output = FileName.create(log_file, :position => :middle, :directory => :parent, :type => :number) else log_output = STDOUT end logger = Logger.new(log_output) logger.level = log_level || Logger::ERROR logger end
@param [Hash] opts The arguments of URI of server @option opts [Fixnum] :port Port number of a server @option opts [String] :host Hostname of a server @option opts [String] :unix Path for unix domain socket of a server
# File lib/drbqs/utility/misc.rb, line 28 def create_uri(opts = {}) if opts[:port] || !opts[:unix] port = opts[:port] || ROOT_DEFAULT_PORT "druby://#{opts[:host]}:#{port}" elsif opts[:host] raise ArgumentError, "We can not set hostname to unix domain socket." else path = File.expand_path(opts[:unix]) if !File.directory?(File.dirname(path)) raise ArgumentError, "Directory #{File.dirname(path)} does not exist." elsif File.exist?(path) raise ArgumentError, "File #{path} already exists." end uri_drbunix(path) end end
# File lib/drbqs/utility/misc.rb, line 88 def output_error(err, io = $stderr) backtrace = err.backtrace io.puts "#{backtrace[0]}: #{err.to_s} (#{err.class})" if backtrace.size > 1 io.puts " from #{backtrace[1..-1].join("\n from ")}" end end
If process of pid
does not exist or its state is zombie then the method return false. If pid
is invalid then the method also returns false. @param [Fixnum] pid PID of process
# File lib/drbqs/utility/misc.rb, line 83 def process_running_normally?(pid) Integer === pid && (ps_table = Sys::ProcTable.ps(pid)) && (ps_table.state != 'Z') end
# File lib/drbqs/utility/misc.rb, line 72 def random_key(size = 20) n = STRINGS_FOR_KEY.size Array.new(size) do STRINGS_FOR_KEY[rand(n)] end.join end
# File lib/drbqs/utility/misc.rb, line 60 def time_to_history_string(t) t.strftime("%Y-%m-%d %H:%M:%S") end
# File lib/drbqs/utility/misc.rb, line 65 def time_to_history_string2(t) t.strftime("%m-%d %H:%M:%S") end
# File lib/drbqs/utility/misc.rb, line 19 def uri_drbunix(path) "drbunix:#{path}" end
Private Instance Methods
# File lib/drbqs/utility/misc.rb, line 46 def create_logger(log_file, log_level) if IO === log_file log_output = log_file elsif log_file log_output = FileName.create(log_file, :position => :middle, :directory => :parent, :type => :number) else log_output = STDOUT end logger = Logger.new(log_output) logger.level = log_level || Logger::ERROR logger end
@param [Hash] opts The arguments of URI of server @option opts [Fixnum] :port Port number of a server @option opts [String] :host Hostname of a server @option opts [String] :unix Path for unix domain socket of a server
# File lib/drbqs/utility/misc.rb, line 28 def create_uri(opts = {}) if opts[:port] || !opts[:unix] port = opts[:port] || ROOT_DEFAULT_PORT "druby://#{opts[:host]}:#{port}" elsif opts[:host] raise ArgumentError, "We can not set hostname to unix domain socket." else path = File.expand_path(opts[:unix]) if !File.directory?(File.dirname(path)) raise ArgumentError, "Directory #{File.dirname(path)} does not exist." elsif File.exist?(path) raise ArgumentError, "File #{path} already exists." end uri_drbunix(path) end end
# File lib/drbqs/utility/misc.rb, line 88 def output_error(err, io = $stderr) backtrace = err.backtrace io.puts "#{backtrace[0]}: #{err.to_s} (#{err.class})" if backtrace.size > 1 io.puts " from #{backtrace[1..-1].join("\n from ")}" end end
If process of pid
does not exist or its state is zombie then the method return false. If pid
is invalid then the method also returns false. @param [Fixnum] pid PID of process
# File lib/drbqs/utility/misc.rb, line 83 def process_running_normally?(pid) Integer === pid && (ps_table = Sys::ProcTable.ps(pid)) && (ps_table.state != 'Z') end
# File lib/drbqs/utility/misc.rb, line 72 def random_key(size = 20) n = STRINGS_FOR_KEY.size Array.new(size) do STRINGS_FOR_KEY[rand(n)] end.join end
# File lib/drbqs/utility/misc.rb, line 60 def time_to_history_string(t) t.strftime("%Y-%m-%d %H:%M:%S") end
# File lib/drbqs/utility/misc.rb, line 65 def time_to_history_string2(t) t.strftime("%m-%d %H:%M:%S") end
# File lib/drbqs/utility/misc.rb, line 19 def uri_drbunix(path) "drbunix:#{path}" end