On Jul 18, 4:43 pm, Irmen de Jong <irmen.nos...@xs4all.nl> wrote: > twgray wrote: > > I am attempting to send a jpeg image file created on an embedded > > device over a wifi socket to a Python client running on a Linux pc > > (Ubuntu). All works well, except I don't know, on the pc client side, > > what the file size is? > > You don't. Sockets are just endless streams of bytes. You will have to design > some form > of 'wire protocol' that includes the length of the message that is to be read. > For instance a minimalistic protocol could be the following: > Send 4 bytes that contain the length (an int) then the data itself. The > client reads 4 > bytes, decodes it into the integer that tells it the length, and then reads > the correct > amount of bytes from the socket. > > --irmen
Thanks for the reply. But, now I have a newbie Python question. If I send a 4 byte address from the embedded device, how do I convert that, in Python, to a 4 byte, or long, number? -- http://mail.python.org/mailman/listinfo/python-list
