[PATCH] Set SO_REUSEADDR on outgoing TCP connections - tests

connect_multi.py

#!/usr/bin/env python

import socket
import random
import itertools
import sys

HOSTS=["www.bbc.co.uk", "guardian.co.uk", "dailymail.co.uk", "reddit.com"]

request = '''
GET / HTTP/1.1
User-Agent: curl/7.32.0
Accept: */*
Host: %s
'''
request = "\r\n".join(request.strip().split("\n")) + '\r\n\r\n'

portno = random.randint(50000, 65000)

for m in itertools.count(1):
    print "Trying %i concurrent connections" % (m,)
    sockets = []
    for i in range(m):
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.bind(('127.0.0.1', portno+i))
        s.connect(("127.0.0.1", 8080))
        s.send(request % (HOSTS[i % len(HOSTS)],))
        sockets.append( s )
        #print "Connection %i ok" % (i,)

    for s in sockets:
        if "HTTP/1.1 500 " in s.recv(32):
            print "error on connection %i (max=%i)" % (i,m)
            sys.exit(1)
    for s in sockets:
        s.close()

connect_single.py

#!/usr/bin/env python

import socket
import random
import time
import errno
import itertools

request = '''
GET /test/stream.aspx HTTP/1.1
User-Agent: curl/7.32.0
Accept: */*
Host: www.debugtheweb.com
'''
request = "\r\n".join(request.strip().split("\n")) + '\r\n\r\n'

portno = random.randint(50000, 65000)

sockets = []
for i in itertools.count(1):
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.bind(('127.0.0.1', portno+i))
    s.connect(("127.0.0.1", 8080))
    s.send(request)
    sockets.append( s )

    if "HTTP/1.1 500 " in s.recv(100):
        print "error on connection %i " % (i,)
        break
    print "Connection %i ok" % (i,)

n.conf

worker_processes 1;
daemon off;

error_log  stderr info;

pid        /tmp/nginx.pid;

events {
}

http {
    server {
        listen   8080;
        resolver 8.8.8.8;
        location / {
            proxy_bind 192.168.97.137; # your local IP
            proxy_next_upstream off;
            proxy_pass  $scheme://$host$uri;
            proxy_buffering                 off;
        }
    }
}