###log on TCP LEVEL also comment
Client says:
GET /sse/stocks.php HTTP/1.1
Host: demo.howopensource.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0
Accept: text/event-stream
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://demo.howopensource.com/sse/
Last-Event-ID: 69
Cookie: _ga=GA1.2.981741823.1519514169; _gid=GA1.2.1508804037.1519514169; _referrer_og=https%3A%2F%2Fwww.google.co.jp%2F; _jsuid=1180108938; _eventqueue=%7B%22heatmap%22%3A%5B%5D%2C%22events%22%3A%5B%5D%7D
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache

###Server: answers with this stream


HTTP/1.1 200 OK
Date: Sun, 25 Feb 2018 00:32:16 GMT
Server: Apache/2.4.25 (Debian)
Cache-Control: no-cache
Connection: keep-alive, Keep-Alive
Keep-Alive: timeout=5, max=100
Transfer-Encoding: chunked
Content-Type: text/event-stream;charset=UTF-8

19
id: 0
data: GOOG:533.37

###Delay
18
id: 1
data: MSFT:47.59

with a
###Delay
18
id: 2
data: IBM:162.99


19
id: 3
data: AAPL:114.12


18
id: 4
data: MSFT:47.29


19
id: 5
data: GOOG:533.95


18
id: 6
data: IBM:163.78


19
id: 7
data: GOOG:533.55


19
id: 8
data: AAPL:113.67


19
id: 9
data: GOOG:533.91


19
id: 10
data: MSFT:48.12


19
id: 11
data: IBM:162.37


1a
id: 12
data: AAPL:114.12


19
id: 13
data: MSFT:48.05


1a
id: 14
data: AAPL:114.32


1a
id: 15
data: GOOG:533.97


19
id: 16
data: MSFT:48.54


19
id: 17
data: IBM:162.69


1a
id: 18
data: AAPL:114.45


19
id: 19
data: IBM:162.74


1a
id: 20
data: AAPL:114.67


1a
id: 21
data: GOOG:533.97


19
id: 22
data: MSFT:48.54