Simple HttpServer which serves DNS-SD Service info

dnssdServer.py

"""
Serves files out of its current directory.
Doesn't handle POST requests.
"""
import SocketServer
import SimpleHTTPServer
from zeroconf import *
import socket
import time

PORT = 7678
devices = [];

class ZeroconfListener(object):
    def __init__(self):
        self.r = Zeroconf()

    def removeService(self, zeroconf, type, name):
        print
        print "Service", name, "removed"

    def addService(self, zeroconf, type, name):
        print
        print "Service", name, "added"
        print "  Type is", type
        info = self.r.getServiceInfo(type, name)
        if info:
            devices.append(socket.inet_ntoa(info.getAddress()))
            print "  Address is %s:%d" % (socket.inet_ntoa(info.getAddress()),
                                          info.getPort())
            print "  Weight is %d, Priority is %d" % (info.getWeight(),
                                                      info.getPriority())
            print "  Server is", info.getServer()
            prop = info.getProperties()
            if prop:
                print "  Properties are"
                for key, value in prop.items():
                    print "    %s: %s" % (key, value)

def searchForDynamixServices():
    r = Zeroconf()
    print "Testing browsing for a service..."
    type = "_dynamix._tcp.local."
    listener = ZeroconfListener()
    browser = ServiceBrowser(r, type, listener)
    time.sleep(5)
    r.close()
    return devices[0]

class CustomHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
    def do_GET(self):
        if self.path=='/search':
            #This URL will trigger our sample function and send what it returns back to the browser
            self.send_response(200)
            self.send_header('Content-type','text/html')
            self.end_headers()
            self.wfile.write(searchForDynamixServices()) #call sample function here
            return
        else:
            #serve files, and directory listings by following self.path from
            #current working directory
            SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)

httpd = SocketServer.ThreadingTCPServer(('localhost', PORT),CustomHandler)

print "serving at port", PORT
httpd.serve_forever()