Attempting to fix ci issues

Author: dhruvasagar

README.md

@@ -294,7 +294,7 @@ Billy.configure do |c|
   c.non_whitelisted_requests_disabled = false
   c.cache_path = 'spec/req_cache/'
   c.certs_path = 'spec/req_certs/'
-  c.proxy_host = 'example.com' # defaults to localhost
+  c.proxy_host = 'example.com' # defaults to 127.0.0.1
   c.proxy_port = 12345 # defaults to random
   c.proxied_request_host = nil
   c.proxied_request_port = 80

lib/billy/config.rb

@@ -39,7 +39,7 @@ def reset
       @non_whitelisted_requests_disabled = false
       @cache_path = File.join(Dir.tmpdir, 'puffing-billy')
       @certs_path = File.join(Dir.tmpdir, 'puffing-billy', 'certs')
-      @proxy_host = 'localhost'
+      @proxy_host = '127.0.0.1'
       @proxy_port = RANDOM_AVAILABLE_PORT
       @proxied_request_inactivity_timeout = 10 # defaults from https://github.com/igrigorik/em-http-request/wiki/Redirects-and-Timeouts
       @proxied_request_connect_timeout = 5

lib/billy/proxy.rb

@@ -20,7 +20,7 @@ def initialize
     def start(threaded = true)
       if threaded
         Thread.new { main_loop }
-        sleep(0.01) while !defined?(@signature) || @signature.nil?
+        sleep(0.01) while !defined?(@port) || @port.nil?
       else
         main_loop
       end
@@ -43,7 +43,7 @@ def host
     end
 
     def port
-      Socket.unpack_sockaddr_in(EM.get_sockname(@signature)).first
+      @port
     end
 
     def cache
@@ -84,6 +84,8 @@ def main_loop
           end
         end
 
+        @port = Socket.unpack_sockaddr_in(EM.get_sockname(@signature)).first
+
         Billy.log(:info, "puffing-billy: Proxy listening on #{url}")
       end
     end