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"""Entry points into GRPC."""

import threading

from grpc._adapter import fore as _fore
from grpc._adapter import rear as _rear
from grpc.framework.alpha import _face_utilities
from grpc.framework.alpha import _reexport
from grpc.framework.alpha import interfaces
from grpc.framework.base import implementations as _base_implementations
from grpc.framework.base import util as _base_utilities
from grpc.framework.face import implementations as _face_implementations
from grpc.framework.foundation import logging_pool

_THREAD_POOL_SIZE = 80
_ONE_DAY_IN_SECONDS = 24 * 60 * 60


class _Server(interfaces.Server):

  def __init__(self, breakdown, port, private_key, certificate_chain):
    self._lock = threading.Lock()
    self._breakdown = breakdown
    self._port = port
    if private_key is None or certificate_chain is None:
      self._key_chain_pairs = ()
    else:
      self._key_chain_pairs = ((private_key, certificate_chain),)

    self._pool = None
    self._back = None
    self._fore_link = None

  def _start(self):
    with self._lock:
      if self._pool is None:
        self._pool = logging_pool.pool(_THREAD_POOL_SIZE)
        servicer = _face_implementations.servicer(
            self._pool, self._breakdown.implementations, None)
        self._back = _base_implementations.back_link(
            servicer, self._pool, self._pool, self._pool, _ONE_DAY_IN_SECONDS,
            _ONE_DAY_IN_SECONDS)