如何在GCM中计算有效载荷限制[python]

Question

I am sending messages from google gcm using python. and GCM having 4kb(4096) limit in payload

s = "你好"
u = u"你好"
len(s) # output is 6
len(u) # output is 2 because of unicode 

Now my question is how to count payload size.

or

what is google considering for size of payload as unicode or utf-8 ?

Answer 1

Documentation says:

Data payload lets developers send up to 4KB of custom key/value pairs.

so you need to calculate bytes not characters . In your case your size is 6.

Answer 2

这是谷歌GCM的问题确认表格gcm-dev-support由于这个原因，我可以发送12kb有效负载（即使限制为4kb）