diff options
Diffstat (limited to 'Pubnub.py')
| -rw-r--r-- | Pubnub.py | 74 |
1 files changed, 72 insertions, 2 deletions
@@ -51,9 +51,73 @@ try: except ImportError: pass +import socket +import sys import threading from threading import current_thread +try: + import urllib3.HTTPConnection + default_socket_options = urllib3.HTTPConnection.default_socket_options +except: + default_socket_options = [] + +default_socket_options += [ + # Enable TCP keepalive + (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1) +] + +if sys.platform.startswith("linux"): + default_socket_options += [ + # Send first keepalive packet 200 seconds after last data packet + (socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, 200), + # Resend keepalive packets every second, when unanswered + (socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 1), + # Close the socket after 5 unanswered keepalive packets + (socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 5) + ] +elif sys.platform.startswith("darwin"): + # From /usr/include/netinet/tcp.h + socket.TCP_KEEPALIVE = 0x10 # idle time used when SO_KEEPALIVE is enabled + + default_socket_options += [ + # Send first keepalive packet 200 seconds after last data packet + (socket.IPPROTO_TCP, socket.TCP_KEEPALIVE, 200), + # Resend keepalive packets every second, when unanswered + (socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, 1), + # Close the socket after 5 unanswered keepalive packets + (socket.IPPROTO_TCP, socket.TCP_KEEPCNT, 5) + ] +""" +# The Windows code is currently untested +elif sys.platform.startswith("win"): + import struct + from urllib3.connectionpool import HTTPConnectionPool, HTTPSConnectionPool + + def patch_socket_keepalive(conn): + conn.sock.ioctl(socket.SIO_KEEPALIVE_VALS, ( + # Enable TCP keepalive + 1, + # Send first keepalive packet 200 seconds after last data packet + 200, + # Resend keepalive packets every second, when unanswered + 1 + )) + + class PubnubHTTPConnectionPool(HTTPConnectionPool): + def _validate_conn(self, conn): + super(PubnubHTTPConnectionPool, self)._validate_conn(conn) + + class PubnubHTTPSConnectionPool(HTTPSConnectionPool): + def _validate_conn(self, conn): + super(PubnubHTTPSConnectionPool, self)._validate_conn(conn) + + import urllib3.poolmanager + urllib3.poolmanager.pool_classes_by_scheme = { + 'http' : PubnubHTTPConnectionPool, + 'https' : PubnubHTTPSConnectionPool + } +""" ################################## @@ -1300,9 +1364,15 @@ def _urllib_request_2(url, timeout=5): return (resp.read(), resp.code) +class PubnubHTTPAdapter(HTTPAdapter): + def init_poolmanager(self, *args, **kwargs): + kwargs.setdefault('socket_options', default_socket_options) + + super(PubnubHTTPAdapter, self).init_poolmanager(*args, **kwargs) + s = requests.Session() -s.mount('http://pubsub.pubnub.com', HTTPAdapter(max_retries=1)) -s.mount('https://pubsub.pubnub.com', HTTPAdapter(max_retries=1)) +s.mount('http://', PubnubHTTPAdapter(max_retries=1)) +s.mount('https://', PubnubHTTPAdapter(max_retries=1)) def _requests_request(url, timeout=5): try: |