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http.c in the tcp/ip examples.

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Wayne_

Joined: 10 Oct 2007
Posts: 681

http.c in the tcp/ip examples.

Posted: Thu Dec 02, 2010 4:33 am

Just to let you know, if you are using the CCS tcp/ip examples for a web server there is a bug if you try and use more than 1 socket.

The function tcp_http_put_file in http.c has a static var (status) which retains the value for the last socket. When using multiple sockets this can become incorrect for the current one.

An easy fix is to :-

Code:

static enum
{
HTTP_PUT_FILE_INIT = 0,
HTTP_PUT_FILE_CONTINUE,
HTTP_PUT_FILE_CHUNK_END,
HTTP_PUT_FILE_DONE
} status[HTTP_NUM_SOCKETS];

and then change all references to static in the function to

Code:

status[which] = HTTP_PUT_FILE_CONTINUE;
...
if (status[which] == HTTP_PUT_FILE_CONTINUE)
...
if (ec == TCP_PUT_CONST_EC_FINISH)
status[which] = HTTP_PUT_FILE_CHUNK_END;
...
if (status[which] == HTTP_PUT_FILE_CHUNK_END)
...
status[which] = HTTP_PUT_FILE_DONE;

and
return(status[which] == HTTP_PUT_FILE_DONE);

Hope this helps!

I am also implementing some changes to speed it up a bit. Not ready to release those though.

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