Cythonize asyncio's sslproto.py

The performance boost is 10-15%.  The main motivation, though, is
to backport new SSL features to 3.5 and 3.6 and to have a consistent
behaviour in uvloop.

Makefile

@@ -9,7 +9,7 @@ _default: compile
 
 clean:
 	rm -fr dist/ doc/_build/ *.egg-info uvloop/loop.*.pyd
-	rm -fr build/lib.* build/temp.* build/libuv
+	#rm -fr build/lib.* build/temp.* build/libuv
 	rm -fr uvloop/*.c uvloop/*.html uvloop/*.so
 	rm -fr uvloop/handles/*.html uvloop/includes/*.html
 	find . -name '__pycache__' | xargs rm -rf

tests/test_tcp.py

@@ -913,7 +913,7 @@ def client():
         tr, _ = f.result()
 
         if server_ssl:
-            self.assertIsInstance(tr, asyncio.sslproto._SSLProtocolTransport)
+            self.assertIn('SSL', tr.__class__.__name__)
 
         tr.close()
         # let it close

uvloop/handles/streamserver.pyx

@@ -54,7 +54,7 @@ cdef class UVStreamServer(UVSocketHandle):
         else:
             waiter = self._loop._new_future()
 
-            ssl_protocol = aio_SSLProtocol(
+            ssl_protocol = SSLProtocol(
                 self._loop, protocol, self.ssl,
                 waiter,
                 True,  # server_side

uvloop/includes/consts.pxi

@@ -12,3 +12,7 @@ DEF __PROCESS_DEBUG_SLEEP_AFTER_FORK = 1
 
 
 DEF LOG_THRESHOLD_FOR_CONNLOST_WRITES = 5
+
+
+# Number of seconds to wait for SSL handshake to complete
+DEF SSL_HANDSHAKE_TIMEOUT = 10.0

uvloop/includes/stdlib.pxi

@@ -1,6 +1,6 @@
 import asyncio, asyncio.log, asyncio.base_events, \
        asyncio.sslproto, asyncio.coroutines, \
-       asyncio.futures
+       asyncio.futures, asyncio.transports
 import collections.abc
 import concurrent.futures
 import errno
@@ -37,12 +37,13 @@ cdef aio_iscoroutine = asyncio.iscoroutine
 cdef aio_iscoroutinefunction = asyncio.iscoroutinefunction
 cdef aio_BaseProtocol = asyncio.BaseProtocol
 cdef aio_Protocol = asyncio.Protocol
-cdef aio_SSLProtocol = asyncio.sslproto.SSLProtocol
 cdef aio_isfuture = getattr(asyncio, 'isfuture', None)
 cdef aio_get_running_loop = getattr(asyncio, '_get_running_loop', None)
 cdef aio_set_running_loop = getattr(asyncio, '_set_running_loop', None)
 cdef aio_debug_wrapper = getattr(asyncio.coroutines, 'debug_wrapper', None)
 cdef aio_AbstractChildWatcher = asyncio.AbstractChildWatcher
+cdef aio_Transport = asyncio.Transport
+cdef aio_FlowControlMixin = asyncio.transports._FlowControlMixin
 
 cdef col_deque = collections.deque
 cdef col_Iterable = collections.abc.Iterable
@@ -116,6 +117,13 @@ cdef sys_getframe = sys._getframe
 cdef sys_version_info = sys.version_info
 
 cdef ssl_SSLContext = ssl.SSLContext
+cdef ssl_MemoryBIO = ssl.MemoryBIO
+cdef ssl_create_default_context = ssl.create_default_context
+cdef ssl_SSLError = ssl.SSLError
+cdef ssl_CertificateError = ssl.CertificateError
+cdef int ssl_SSL_ERROR_WANT_READ = ssl.SSL_ERROR_WANT_READ
+cdef int ssl_SSL_ERROR_WANT_WRITE = ssl.SSL_ERROR_WANT_WRITE
+cdef int ssl_SSL_ERROR_SYSCALL = ssl.SSL_ERROR_SYSCALL
 
 cdef long MAIN_THREAD_ID = <long>threading.main_thread().ident
 

uvloop/loop.pyx

@@ -1678,7 +1678,7 @@ cdef class Loop:
 
             ssl_waiter = self._new_future()
             sslcontext = None if isinstance(ssl, bool) else ssl
-            protocol = aio_SSLProtocol(
+            protocol = SSLProtocol(
                 self, app_protocol, sslcontext, ssl_waiter,
                 False, server_hostname)
         else:
@@ -1965,7 +1965,7 @@ cdef class Loop:
 
             ssl_waiter = self._new_future()
             sslcontext = None if isinstance(ssl, bool) else ssl
-            protocol = aio_SSLProtocol(
+            protocol = SSLProtocol(
                 self, app_protocol, sslcontext, ssl_waiter,
                 False, server_hostname)
         else:
@@ -2348,7 +2348,7 @@ cdef class Loop:
             protocol = app_protocol
             transport_waiter = waiter
         else:
-            protocol = aio_SSLProtocol(
+            protocol = SSLProtocol(
                 self, app_protocol, ssl, waiter,
                 True,  # server_side
                 None)  # server_hostname
@@ -2870,6 +2870,7 @@ include "handles/process.pyx"
 
 include "request.pyx"
 include "dns.pyx"
+include "sslproto.pyx"
 
 include "handles/udp.pyx"