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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