void xtcpd_accept_partial_ack(int conn_id)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
s->s.accepts_partial_ack = 1;
}
}
/* -------------------------------------------------------------------------- */
void xtcpd_pause(int conn_id)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
((struct uip_conn *) s->s.uip_conn)->tcpstateflags |= UIP_STOPPED;
}
}
/* -------------------------------------------------------------------------- */
void xtcpd_close(int linknum, int conn_id)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
s->s.close_request = 1;
}
}
/* -------------------------------------------------------------------------- */
void xtcpd_ack_recv_mode(int conn_id)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
s->s.ack_recv_mode = 1;
}
}
/* -------------------------------------------------------------------------- */
void xtcpd_set_appstate(int linknum, int conn_id, xtcp_appstate_t appstate)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
s->conn.appstate = appstate;
}
}
/* -------------------------------------------------------------------------- */
void xtcpd_abort(int linknum, int conn_id)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
s->s.abort_request = 1;
}
}
void xtcpd_ack_recv(int conn_id)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
((struct uip_conn *) s->s.uip_conn)->tcpstateflags &= ~UIP_STOPPED;
}
}
void xtcpd_init_send(int linknum, int conn_id)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
s->s.send_request++;
}
}
/* -----------------------------------------------------------------------------
*
* -------------------------------------------------------------------------- */
void xtcpd_set_poll_interval(int linknum, int conn_id, int poll_interval)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL && s->conn.protocol == XTCP_PROTOCOL_UDP) {
s->s.poll_interval = poll_interval;
timer_set(&(s->s.tmr), poll_interval * CLOCK_SECOND/1000);
}
}
/* -------------------------------------------------------------------------- */
void xtcpd_unpause(int conn_id)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s != NULL) {
((struct uip_conn *) s->s.uip_conn)->tcpstateflags &= ~UIP_STOPPED;
s->s.ack_request = 1;
}
}
/* -----------------------------------------------------------------------------
*
* -------------------------------------------------------------------------- */
void xtcpd_bind_local(int linknum, int conn_id, int port_number)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
s->conn.local_port = port_number;
if (s->conn.protocol == XTCP_PROTOCOL_UDP)
((struct uip_udp_conn *) s->s.uip_conn)->lport = HTONS(port_number);
else
((struct uip_conn *) s->s.uip_conn)->lport = HTONS(port_number);
}
void xtcpd_bind_remote(int linknum,
int conn_id,
xtcp_ipaddr_t addr,
int port_number)
{
xtcpd_state_t *s = lookup_xtcpd_state(conn_id);
if (s->conn.protocol == XTCP_PROTOCOL_UDP) {
struct uip_udp_conn *conn = (struct uip_udp_conn *) s->s.uip_conn;
s->conn.remote_port = port_number;
conn->rport = HTONS(port_number);
XTCP_IPADDR_CPY(s->conn.remote_addr, addr);
conn->ripaddr[0] = (addr[1] << 8) | addr[0];
conn->ripaddr[1] = (addr[3] << 8) | addr[2];
}
}
/* -----------------------------------------------------------------------------
*
* -------------------------------------------------------------------------- */
static void init_xtcpd_state(xtcpd_state_t *s,
xtcp_protocol_t protocol,
xtcp_ipaddr_t remote_addr,
int local_port,
int remote_port,
void *conn) {
int linknum;
int connect_request = s->s.connect_request;
int connection_type = s->conn.connection_type;
if (connect_request) {
linknum = s->linknum;
} else {
connection_type = XTCP_SERVER_CONNECTION;
if (protocol == XTCP_PROTOCOL_TCP) {
linknum = get_listener_linknum(tcp_listeners, NUM_TCP_LISTENERS, local_port);
}
else {
linknum = get_listener_linknum(udp_listeners, NUM_UDP_LISTENERS, local_port);
}
}
memset(s, 0, sizeof(xtcpd_state_t));
// Find and use a GUID that is not being used by another connection
while (lookup_xtcpd_state(guid) != NULL)
{
guid++;
if (guid > MAX_GUID)
guid = 1;
}
s->conn.connection_type = connection_type;
s->linknum = linknum;
s->conn.id = guid;
s->conn.local_port = HTONS(local_port);
s->conn.remote_port = HTONS(remote_port);
s->conn.protocol = protocol;
s->s.uip_conn = (int) conn;
#ifdef XTCP_ENABLE_PARTIAL_PACKET_ACK
s->s.accepts_partial_ack = 0;
#endif
XTCP_IPADDR_CPY(s->conn.remote_addr.u8, remote_addr.u8);
}
