Class: Babeltrace::CTF::Iter

Inherits:
FFI::ManagedStruct
  • Object
show all
Defined in:
lib/babeltrace/ctf/iterator.rb,
lib/babeltrace/ctf/callbacks.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.release(ptr) ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 19

def self.release(ptr)
  CTF.bt_ctf_iter_destroy(ptr)
end

Instance Method Details

#create_time_pos(timestamp) ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 61

def create_time_pos(timestamp)
  get_iter.create_time_pos(timestamp)
end

#each ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 65

def each
  rewind
  if block_given?
    loop do
      e = self.read_event
      break if e.pointer.null?
      yield e
      r = self.next
      break if r != 0
    end
	else
    return to_enum(:each)
  end
end

#get_iter ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 23

def get_iter
  return @iter if @iter
  @iter = CTF.bt_ctf_get_iter(self)
  @iter.child = self
  @iter
end

#get_lost_events_count ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 41

def get_lost_events_count
  CTF.bt_ctf_get_lost_events_count(self)
end

#get_pos ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 49

def get_pos
  get_iter.get_pos
end

#next ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 45

def next
  get_iter.next
end

#read_event ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 30

def read_event
  CTF.bt_ctf_iter_read_event(self)
end

#read_event_flag ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 34

def read_event_flag
  ptr = FFI::MemoryPointer::new(:int)
  event = CTF.bt_ctf_iter_read_event_flags(self, ptr)
  flags = ptr.read(:int)
  [event, flags]
end

#rewind ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 57

def rewind
  get_iter.rewind
end

#set_pos(pos) ⇒ Object 



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# File 'lib/babeltrace/ctf/iterator.rb', line 53

def set_pos(pos)
  get_iter.set_pos(pos)
end