code: def _sendBuffers(self):
          
          msg = {}
          msg_size = 0
          lastlog = None
          logdata = []
          while self.buffered:
              # Grab the next bits from the buffer
              logname, data = self.buffered.popleft()
  
              # If this log is different than the last one, then we have to send
              # out the message so far.  This is because the message is
              # transferred as a dictionary, which makes the ordering of keys
              # unspecified, and makes it impossible to interleave data from
              # different logs.  A future enhancement could be to change the
              # master to support a list of (logname, data) tuples instead of a
              # dictionary.
              # On our first pass through this loop lastlog is None
              if lastlog is None:
                  lastlog = logname
              elif logname != lastlog:
                  self._sendMessage(msg)
                  msg = {}
                  msg_size = 0
              lastlog = logname
  
              logdata = msg.setdefault(logname, [])
  
              # Chunkify the log data to make sure we're not sending more than
              # CHUNK_LIMIT at a time
              for chunk in self._chunkForSend(data):
                  if not chunk:
                      continue
                  logdata.append(chunk)
                  msg_size += len(chunk)
                  if msg_size >= self.CHUNK_LIMIT:
                      # We've gone beyond the chunk limit, so send out our
                      # message.  At worst this results in a message slightly
                      # larger than (2*CHUNK_LIMIT)-1
                      self._sendMessage(msg)
                      msg = {}
                      logdata = msg.setdefault(logname, [])
                      msg_size = 0
          self.buflen = 0
          if logdata:
              self._sendMessage(msg)
          if self.sendBuffersTimer:
              if self.sendBuffersTimer.active():
                  self.sendBuffersTimer.cancel()
              self.sendBuffersTimer = None
docs: Send all the content in our buffers.