int sync_update(struct sync_device *d, int row, struct sync_cb *cb,
void *cb_param)
{
if (d->sock == INVALID_SOCKET)
return -1;
/* look for new commands */
while (socket_poll(d->sock)) {
unsigned char cmd = 0, flag;
uint32_t new_row;
if (xrecv(d->sock, (char *)&cmd, 1, 0))
goto sockerr;
switch (cmd) {
case SET_KEY:
if (handle_set_key_cmd(d->sock, d))
goto sockerr;
break;
case DELETE_KEY:
if (handle_del_key_cmd(d->sock, d))
goto sockerr;
break;
case SET_ROW:
if (xrecv(d->sock, (char *)&new_row, sizeof(new_row), 0))
goto sockerr;
if (cb && cb->set_row)
cb->set_row(cb_param, ntohl(new_row));
break;
case PAUSE:
if (xrecv(d->sock, (char *)&flag, 1, 0))
goto sockerr;
if (cb && cb->pause)
cb->pause(cb_param, flag);
break;
case SAVE_TRACKS:
sync_save_tracks(d);
break;
default:
fprintf(stderr, "unknown cmd: %02x\n", cmd);
goto sockerr;
}
}
if (cb && cb->is_playing && cb->is_playing(cb_param)) {
if (d->row != row && d->sock != INVALID_SOCKET) {
unsigned char cmd = SET_ROW;
uint32_t nrow = htonl(row);
if (xsend(d->sock, (char*)&cmd, 1, 0) ||
xsend(d->sock, (char*)&nrow, sizeof(nrow), 0))
goto sockerr;
d->row = row;
}
}
return 0;
sockerr:
closesocket(d->sock);
d->sock = INVALID_SOCKET;
return -1;
}
int socket_main(int hsocket)
{
struct sockaddr_in sock;
int asocket; /* Active socket */
socklen_t sock_len;
char buffer[200];
int got;
sock_len = sizeof(struct sockaddr_in);
asocket = accept( hsocket, (struct sockaddr *)&sock, &sock_len );
if (asocket == -1) {
return -1;
}
socket_write( asocket, "Hi there\n", 9 );
while (1) {
while (socket_poll(asocket)==0) {}
if ((got=socket_read(asocket, buffer, 200))>0) {
socket_write( asocket, buffer, got );
}
else
break;
}
close(asocket);
return 0;
}
bool RemoteConnection_pollRead()
{
if (!RemoteConnection_connected())
return false;
return !!socket_poll(s_socket);
}
/* Handle a RST 38 (system call) */
int handle_sys(int scall, int parameter)
{
char buffer[2];
switch (scall) {
case 0: {
/* Read in from telnet */
if (flags&DSOCKETS) {
return socket_get(tsocket);
}
return 0;
break;
}
case 1: {
/* Write to telnet */
if (flags&DSOCKETS) {
buffer[0]=(parameter&0x0ff);
return socket_write( tsocket, buffer, 1);
}
return -1;
}
case 2: {
/* Return !0 if data is available */
if (flags&DSOCKETS) {
return socket_poll( tsocket );
}
return -1;
}
}
return 0;
}
/*ARGSUSED*/
static int
socket_vop_poll(struct vnode *vp, short events, int anyyet, short *reventsp,
struct pollhead **phpp, caller_context_t *ct)
{
struct sonode *so = VTOSO(vp);
ASSERT(vp->v_type == VSOCK);
return (socket_poll(so, events, anyyet, reventsp, phpp));
}
static int server_loop(void)
{
script_init(script);
mrdisc_init(interval);
while (running) {
if (reloading) {
reload();
reloading = 0;
}
socket_poll(NULL);
}
return 0;
}
static int service_socket_poll(void) {
struct socket_message sm;
if (!socket_poll(&sm))
return 0;
struct message m;
int size = sizeof sm;
m.source = 0;
m.session = 0;
m.data = service_alloc(0, size);
m.size = size;
m.proto = SERVICE_PROTO_SOCKET;
memcpy(m.data, &sm, size);
uint32_t handle = (uint32_t)(uintptr_t)sm.ud;
if (-1 == service_send(handle, &m))
service_alloc(m.data, 0);
return 1;
}
inline int socket_poll_one(socket_t **s, struct timespec *timeout)
{
return socket_poll(s, 1, timeout);
}
