void http_xtcp_handler(chanend tcp_svr,
xtcp_connection_t *conn,
chanend page_svr,
chanend led_svr)
{
// Ignore events that are not directly relevant to http
switch (conn->event)
{
case XTCP_IFUP:
case XTCP_IFDOWN:
case XTCP_ALREADY_HANDLED:
return;
default:
break;
}
if (conn->local_port == 80) {
switch (conn->event)
{
case XTCP_NEW_CONNECTION:
httpd_init_state(tcp_svr, conn);
break;
case XTCP_RECV_DATA:
httpd_recv(tcp_svr, conn, page_svr, led_svr);
break;
case XTCP_SENT_DATA:
case XTCP_REQUEST_DATA:
case XTCP_RESEND_DATA:
httpd_handle_send_request(tcp_svr, conn, page_svr, led_svr);
break;
case XTCP_CLOSED:
case XTCP_TIMED_OUT:
case XTCP_ABORTED:
httpd_free_state(conn);
break;
default:
break;
}
conn->event = XTCP_ALREADY_HANDLED;
}
}
// HTTP event handler
void tcp_handle_event(chanend tcp_svr, xtcp_connection_t *conn)
{
// We have received an event from the TCP stack, so respond
// appropriately
// Ignore events that are not directly relevant to http
switch (conn->event)
{
case XTCP_IFUP: {
xtcp_ipconfig_t ipconfig;
xtcp_get_ipconfig(tcp_svr, &ipconfig);
#if IPV6
unsigned short a;
unsigned int i;
int f;
xtcp_ipaddr_t *addr = &ipconfig.ipaddr;
printstr("IPV6 Address = [");
for(i = 0, f = 0; i < sizeof(xtcp_ipaddr_t); i += 2) {
a = (addr->u8[i] << 8) + addr->u8[i + 1];
if(a == 0 && f >= 0) {
if(f++ == 0) {
printstr("::");
}
} else {
if(f > 0) {
f = -1;
} else if(i > 0) {
printstr(":");
}
printhex(a);
}
}
printstrln("]");
#else
printstr("IP Address: ");
printint(ipconfig.ipaddr[0]);printstr(".");
printint(ipconfig.ipaddr[1]);printstr(".");
printint(ipconfig.ipaddr[2]);printstr(".");
printint(ipconfig.ipaddr[3]);printstr("\n");
#endif
}
return;
case XTCP_IFDOWN:
case XTCP_ALREADY_HANDLED:
return;
default:
break;
}
// Check if the connection is a http connection
if (conn->local_port == 80) {
switch (conn->event)
{
case XTCP_NEW_CONNECTION:
httpd_init_state(tcp_svr, conn);
break;
case XTCP_RECV_DATA:
httpd_recv(tcp_svr, conn);
break;
case XTCP_SENT_DATA:
case XTCP_REQUEST_DATA:
case XTCP_RESEND_DATA:
httpd_send(tcp_svr, conn);
break;
case XTCP_TIMED_OUT:
case XTCP_ABORTED:
case XTCP_CLOSED:
httpd_free_state(conn);
break;
default:
// Ignore anything else
break;
}
conn->event = XTCP_ALREADY_HANDLED;
}
////
return;
}