hello everone:
I use FreeRTOS and socket API,LWIP is V1.3.2, the cpu is NXP1768,which is
a
CORTEX M3 micocontroler. My cpu is a server. The remote client is Windows
Application. If there is only one client ,connect-communicate-disconnect,it
works well.But If there are two or more client, connected to my server,then
my server will soon stop response,no client can connect anymore. I tried
two
method:
1. listen(iSock,0),but is doesn't work.still more than one client can
connected.
2. closesocket(tsock) after send().But after several times the closesocket
funcion doesn't return.
How can I do with this situation that there are more than one client? Can I
set lwip to allow only one client connected at one time? Or there are
mistakes in my source code?
Thanks alot!
My code:
void Server_task(void *param)
{
int iSock;
struct sockaddr_in server,client;
int tsock;
int step;
int err;
int len;
INT32U tt;
step = 1;
iSock = socket(AF_INET, SOCK_STREAM, 0);
server.sin_family = AF_INET;
server.sin_port = htons(6000);
server.sin_addr.s_addr = htonl(INADDR_ANY);
tsock = bind( iSock, (struct sockaddr *)&server, sizeof(server));
tsock = listen(iSock,5);
while(1)
{
switch(step)
{
case 1:
tt = sizeof(client);
tsock = accept(iSock,(struct sockaddr*)&client,&tt);
step = 2;
break;
case 2:
len = recv(tsock,recvbuf,1500,0);
if(len <= 0)
{
closesocket(tsock);
step = 1;
}
else
{
/* do some thing */
len = send(tsock,recvbuf,len,0);
}
break;
} //end of switch
} //end of while(1)
}
--
View this message in context:
http://old.nabble.com/Help%2CV1.3.2%2Csocket-API%2C-how-to-deal-with-multi-client--tp31257203p31257203.html
Sent from the lwip-users mailing list archive at Nabble.com.
_______________________________________________
lwip-users mailing list
[email protected]
http://lists.nongnu.org/mailman/listinfo/lwip-users
