Class: Autobuild::BuildLogfile

Inherits:
Object
  • Object
show all
Defined in:
lib/autobuild/build_logfile.rb

Overview

Parse and manipulate the information stored in a build log file (usually in prefix/log/stats.log)

Defined Under Namespace

Classes: Entry

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(entries = Array.new) ⇒ BuildLogfile

Returns a new instance of BuildLogfile.



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# File 'lib/autobuild/build_logfile.rb', line 11

def initialize(entries = Array.new)
    @entries = entries.dup
    @by_package = Hash.new
    entries.each do |e|
        package = (by_package[e.package] ||= Hash.new(0))
        package[e.phase] += e.duration
    end

    @by_phase = Hash.new
    entries.each do |e|
        package = (by_phase[e.phase] ||= Hash.new(0))
        package[e.package] += e.duration
    end
end

Instance Attribute Details

#by_package ⇒ Object (readonly)

Returns the value of attribute by_package.



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# File 'lib/autobuild/build_logfile.rb', line 9

def by_package
  @by_package
end

#by_phase ⇒ Object (readonly)

Returns the value of attribute by_phase.



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# File 'lib/autobuild/build_logfile.rb', line 9

def by_phase
  @by_phase
end

Class Method Details

.parse(file) ⇒ Object 



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# File 'lib/autobuild/build_logfile.rb', line 42

def self.parse(file)
    entries = File.readlines(file).map do |line|
        line = line.strip
        next if line.empty?

        cols = line.split(/\s+/)
        date = cols.shift
        time = cols.shift
        start_time = Time.parse("#{date} #{time}")
        duration = Float(cols.pop)
        phase = cols.pop
        package = cols.join(" ")
        Entry.new(package, phase, start_time, duration)
    end
    new(entries)
end

Instance Method Details

#diff(other) ⇒ Object 



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# File 'lib/autobuild/build_logfile.rb', line 26

def diff(other)
    result = []
    by_package.each do |pkg_name, phases|
        other_phases = other.by_package[pkg_name]
        next unless other_phases

        phases.each do |phase, duration|
            next unless other_phases.key?(phase)

            other_duration = other_phases[phase]
            result << Entry.new(pkg_name, phase, nil, other_duration - duration)
        end
    end
    BuildLogfile.new(result)
end