#!/usr/bin/env python

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#

r"""
thrift --gen py DebugProtoTest.thrift
./FastbinaryTest.py
"""

# TODO(dreiss): Test error cases.  Check for memory leaks.

import sys
sys.path.append('./gen-py')

import math
from DebugProtoTest import Srv
from DebugProtoTest.ttypes import *
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol

import timeit
from cStringIO import StringIO
from copy import deepcopy
from pprint import pprint

class TDevNullTransport(TTransport.TTransportBase):
  def __init__(self):
    pass
  def isOpen(self):
    return True

ooe1 = OneOfEach()
ooe1.im_true   = True;
ooe1.im_false  = False;
ooe1.a_bite    = 0xd6;
ooe1.integer16 = 27000;
ooe1.integer32 = 1<<24;
ooe1.integer64 = 6000 * 1000 * 1000;
ooe1.double_precision = math.pi;
ooe1.some_characters  = "Debug THIS!";
ooe1.zomg_unicode     = "\xd7\n\a\t";

ooe2 = OneOfEach();
ooe2.integer16 = 16;
ooe2.integer32 = 32;
ooe2.integer64 = 64;
ooe2.double_precision = (math.sqrt(5)+1)/2;
ooe2.some_characters  = ":R (me going \"rrrr\")";
ooe2.zomg_unicode     = "\xd3\x80\xe2\x85\xae\xce\x9d\x20"\
                        "\xd0\x9d\xce\xbf\xe2\x85\xbf\xd0\xbe"\
                        "\xc9\xa1\xd0\xb3\xd0\xb0\xcf\x81\xe2\x84\x8e"\
                        "\x20\xce\x91\x74\x74\xce\xb1\xe2\x85\xbd\xce\xba"\
                        "\xc7\x83\xe2\x80\xbc";

hm = HolyMoley({"big":[], "contain":set(), "bonks":{}})
hm.big.append(ooe1)
hm.big.append(ooe2)
hm.big[0].a_bite = 0x22;
hm.big[1].a_bite = 0x22;

hm.contain.add(("and a one", "and a two"))
hm.contain.add(("then a one, two", "three!", "FOUR!"))
hm.contain.add(())

hm.bonks["nothing"] = [];
hm.bonks["something"] = [
  Bonk({"type":1, "message":"Wait."}),
  Bonk({"type":2, "message":"What?"}),
]
hm.bonks["poe"] = [
  Bonk({"type":3, "message":"quoth"}),
  Bonk({"type":4, "message":"the raven"}),
  Bonk({"type":5, "message":"nevermore"}),
]

rs = RandomStuff()
rs.a = 1
rs.b = 2
rs.c = 3
rs.myintlist = range(20)
rs.maps = {1:Wrapper({"foo":Empty()}),2:Wrapper({"foo":Empty()})}
rs.bigint = 124523452435L
rs.triple = 3.14

# make sure this splits two buffers in a buffered protocol
rshuge = RandomStuff()
rshuge.myintlist=range(10000)

my_zero = Srv.Janky_result({"arg":5})

def checkWrite(o):
  trans_fast = TTransport.TMemoryBuffer()
  trans_slow = TTransport.TMemoryBuffer()
  prot_fast = TBinaryProtocol.TBinaryProtocolAccelerated(trans_fast)
  prot_slow = TBinaryProtocol.TBinaryProtocol(trans_slow)

  o.write(prot_fast)
  o.write(prot_slow)
  ORIG = trans_slow.getvalue()
  MINE = trans_fast.getvalue()
  if ORIG != MINE:
    print "mine: %s\norig: %s" % (repr(MINE), repr(ORIG))

def checkRead(o):
  prot = TBinaryProtocol.TBinaryProtocol(TTransport.TMemoryBuffer())
  o.write(prot)

  slow_version_binary = prot.trans.getvalue()

  prot = TBinaryProtocol.TBinaryProtocolAccelerated(
           TTransport.TMemoryBuffer(slow_version_binary))
  c = o.__class__()
  c.read(prot)
  if c != o:
    print "copy: "
    pprint(eval(repr(c)))
    print "orig: "
    pprint(eval(repr(o)))

  prot = TBinaryProtocol.TBinaryProtocolAccelerated(
           TTransport.TBufferedTransport(
             TTransport.TMemoryBuffer(slow_version_binary)))
  c = o.__class__()
  c.read(prot)
  if c != o:
    print "copy: "
    pprint(eval(repr(c)))
    print "orig: "
    pprint(eval(repr(o)))


def doTest():
  checkWrite(hm)
  no_set = deepcopy(hm)
  no_set.contain = set()
  checkRead(no_set)
  checkWrite(rs)
  checkRead(rs)
  checkWrite(rshuge)
  checkRead(rshuge)
  checkWrite(my_zero)
  checkRead(my_zero)
  checkRead(Backwards({"first_tag2":4, "second_tag1":2}))

  # One case where the serialized form changes, but only superficially.
  o = Backwards({"first_tag2":4, "second_tag1":2})
  trans_fast = TTransport.TMemoryBuffer()
  trans_slow = TTransport.TMemoryBuffer()
  prot_fast = TBinaryProtocol.TBinaryProtocolAccelerated(trans_fast)
  prot_slow = TBinaryProtocol.TBinaryProtocol(trans_slow)

  o.write(prot_fast)
  o.write(prot_slow)
  ORIG = trans_slow.getvalue()
  MINE = trans_fast.getvalue()
  if ORIG == MINE:
    print "That shouldn't happen."


  prot = TBinaryProtocol.TBinaryProtocolAccelerated(TTransport.TMemoryBuffer())
  o.write(prot)
  prot = TBinaryProtocol.TBinaryProtocol(
           TTransport.TMemoryBuffer(
             prot.trans.getvalue()))
  c = o.__class__()
  c.read(prot)
  if c != o:
    print "copy: "
    pprint(eval(repr(c)))
    print "orig: "
    pprint(eval(repr(o)))


def doBenchmark():

  iters = 25000

  setup = """
from __main__ import hm, rs, TDevNullTransport
from thrift.protocol import TBinaryProtocol
trans = TDevNullTransport()
prot = TBinaryProtocol.TBinaryProtocol%s(trans)
"""

  setup_fast = setup % "Accelerated"
  setup_slow = setup % ""

  print "Starting Benchmarks"

  print "HolyMoley Standard = %f" % \
      timeit.Timer('hm.write(prot)', setup_slow).timeit(number=iters)
  print "HolyMoley Acceler. = %f" % \
      timeit.Timer('hm.write(prot)', setup_fast).timeit(number=iters)

  print "FastStruct Standard = %f" % \
      timeit.Timer('rs.write(prot)', setup_slow).timeit(number=iters)
  print "FastStruct Acceler. = %f" % \
      timeit.Timer('rs.write(prot)', setup_fast).timeit(number=iters)


doTest()
doBenchmark()