Now i'm using a simple client which i wrote....
By my board will work with a third part client, so, i cannot know if this pc
application will set SO_LINGER.
So, how i can fix the problem from lwip code???
thanks,
Piero
2008/3/5, Bill Auerbach <[EMAIL PROTECTED]>:
>
> Change the client's SO_LINGER option so it doesn't hang on to the
> connection.
>
>
>
> Bill
>
>
> ------------------------------
>
> *From:* [EMAIL PROTECTED] [mailto:
> [EMAIL PROTECTED] *On Behalf Of *Piero
> 74
> *Sent:* Wednesday, March 05, 2008 10:14 AM
> *To:* Mailing list for lwIP users
> *Subject:* [lwip-users] socket: LWIP_ACCEPT problem?
>
>
>
> Hi all.
>
> I'm testing socket on lwip 130rc1
>
> this is a piece of my code:
>
> // Create a new tcp connection handle
> //----------------------------------------------------------
> sockfd = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
> serv_addr.sin_family = AF_INET;
> serv_addr.sin_addr.s_addr = INADDR_ANY;
> serv_addr.sin_port = htons(20000);
> bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
> // setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, (char*)&bOptVal,
> bOptLen);
> listen(sockfd, 0);
> //----------------------------------------------------------
>
> // Loop forever
> while(1)
> {
> // Wait for connection.
> //------------------------------------------------------
> newsockfd = accept(sockfd, &addr, &addrlen);
> bOptVal = TRUE;
> //------------------------------------------------------
> for (i=0; i<10; i++)
> {
> // send 10 hello world!
> lwip_write(newsockfd, provatx, 12);
> }
>
> // close connection
> close(newsockfd);
> }
>
> I have a simple client on pc running windows.
>
> If the client fixs his local port, accept function accept connection only
> the first time, after seems it doesn't accept.
>
> If my client changes its local port for EVERY attempt, accept works
> weel!!!
>
> What is the problem???
>
> bye,
> Piero
>
>
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>
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