[erlang-questions] inet setoptions after receive data

Radoslaw Gruchalski <>
Wed Mar 4 15:44:39 CET 2015


What's the reason for changing the option in the first place? Why not to stick to {packet,0}?

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On Wed, Mar 4, 2015 at 6:40 AM -0800, "Pedro Marques da Silva" <> wrote:










Hi, 
I have looked before I post the question and is not clear why this will happen.
Maybe is not possible to switch from {packet,0} to {packet,4} after receiving data on a socket!
Best
pms



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Pedro Marques da Silva
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2015-03-04 11:25 GMT+00:00 Rad Gruchalski <>:

                
                    Hi Pedro,
You should have a look at inet:setoptshttp://www.erlang.org/doc/man/inet.html#setopts-2
		
		
		





		
		
		





		
		
		





		
		
		




Kind
regards,

Radek
Gruchalski



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On Wednesday, 4 March 2015 at 01:48, Pedro Marques da Silva wrote:
                
                    Hi Erlangers,
I am doing a server to serve a flash application. When a flash client establish a connection(tcp socket) it sends a policy request (xml format message) and the server must reply with a policy file (xml file). After this exchange the client can connect to the socket as a regular connection.

When I accept the connection the socket have a {packet,0} option set and checks if is a policy request and sends the policy file back. After this I change the option to {packet,4} but I do not receive anymore data. If I stay with {packet,0} I will receive the binary data sent by the client

Any one knows about any problem with changing socket options after receive some data?
thanks
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Pedro Marques da Silva
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