module ABRT

# File lib/abrt/handler.rb, line 7
def self.handle_exception(exception)
  exception.extend(ABRT::Exception)

  syslog.notice "detected unhandled Ruby exception in '#{exception.executable}'"

  # Report only scripts with absolute path.
  write_dump(exception) if exception.executable[0] == '/'
end

# File lib/abrt/handler.rb, line 62
def self.abrt_socket
  UNIXSocket.new ABRT_SOCKET_PATH
end

# File lib/abrt/handler.rb, line 22
def self.report(exception, io = abrt_socket)
  io.write "PUT / HTTP/1.1\r\n\r\n"
  io.write "PID=#{Process.pid}\0"
  io.write "EXECUTABLE=#{exception.executable.gsub(/\u0000/, '')}\0"
  io.write "ANALYZER=Ruby\0"
  io.write "TYPE=Ruby\0"
  io.write "BASENAME=rbhook\0"
  io.write "REASON=#{exception.format.first.gsub(/\u0000/, '')}\0"
  io.write "BACKTRACE=#{exception.format.join("\n").gsub(/\u0000/, '')}\0"
  io.close_write

  yield io.read

  io.close
rescue StandardError => e
  syslog.err "%s", "can't communicate with ABRT daemon, is it running? #{e.message}"
end

# File lib/abrt/handler.rb, line 18
def self.syslog
  @syslog ||= Syslog.open 'abrt'
end

# File lib/abrt/handler.rb, line 40
def self.write_dump(exception)
  report exception do |response|
    if response.empty?
      syslog.err "error sending data to ABRT daemon. Empty response received"
    else
      parts = response.split
      code = Integer(parts[1]) rescue false
      if (parts.size < 2) or
        (not parts[0] =~ %r{^HTTP/}) or
        (not code) or
        (code >= 400)
      then
        syslog.err "%s", "error sending data to ABRT daemon: #{response}"
      end
    end
  end
end