// Queue an interrupt and set the Lua hook
// Returns PLATFORM_OK or PLATFORM_ERR
int elua_int_add( elua_int_id inttype, elua_int_resnum resnum )
{
if( inttype < ELUA_INT_FIRST_ID || inttype > INT_ELUA_LAST )
return PLATFORM_ERR;
// If Lua is not running (no Lua state), or no Lua interrupt handler is set,
// or the interrupt is not enabled, don't do anything
if( lua_getstate() == NULL || !elua_int_is_enabled( inttype ) )
return PLATFORM_ERR;
// If there's no more room in the queue, set the overflow flag and return
if( elua_int_queue[ elua_int_write_idx ].id != ELUA_INT_EMPTY_SLOT )
{
printf( "ERROR in elua_int_add: buffer overflow, interrupt not queued\n" );
return PLATFORM_ERR;
}
// Queue the interrupt
elua_int_queue[ elua_int_write_idx ].id = inttype;
elua_int_queue[ elua_int_write_idx ].resnum = resnum;
elua_int_write_idx = ( elua_int_write_idx + 1 ) & INT_IDX_MASK;
// Set the Lua hook (it's OK to set it even if it's already set)
lua_sethook( lua_getstate(), elua_int_hook, LUA_MASKCOUNT, 2 );
// All OK
return PLATFORM_OK;
}
static void net_dns_cb(const char *name, ip_addr_t *ipaddr, void *arg) {
ip_addr_t addr;
if (ipaddr != NULL) addr = *ipaddr;
else addr.addr = 0xFFFFFFFF;
lnet_userdata *ud = (lnet_userdata*)arg;
if (!ud) return;
lua_State *L = lua_getstate();
if (ud->self_ref != LUA_NOREF && ud->client.cb_dns_ref != LUA_NOREF) {
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->client.cb_dns_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
if (addr.addr != 0xFFFFFFFF) {
char iptmp[16];
bzero(iptmp, 16);
ets_sprintf(iptmp, IPSTR, IP2STR(&addr.addr));
lua_pushstring(L, iptmp);
} else {
lua_pushnil(L);
}
lua_call(L, 2, 0);
}
ud->client.wait_dns --;
if (ud->pcb && ud->type == TYPE_TCP_CLIENT && ud->tcp_pcb->state == CLOSED) {
tcp_connect(ud->tcp_pcb, &addr, ud->tcp_pcb->remote_port, net_connected_cb);
} else if (!ud->pcb && ud->client.wait_dns == 0) {
lua_gc(L, LUA_GCSTOP, 0);
luaL_unref(L, LUA_REGISTRYINDEX, ud->self_ref);
ud->self_ref = LUA_NOREF;
lua_gc(L, LUA_GCRESTART, 0);
}
}
static void alarm_timer_common(void* arg){
timer_t tmr = (timer_t)arg;
lua_State* L = lua_getstate();
if(tmr->lua_ref == LUA_NOREF)
return;
lua_rawgeti(L, LUA_REGISTRYINDEX, tmr->lua_ref);
if (tmr->self_ref == LUA_REFNIL) {
uint32_t id = tmr - alarm_timers;
lua_pushinteger(L, id);
} else {
lua_rawgeti(L, LUA_REGISTRYINDEX, tmr->self_ref);
}
//if the timer was set to single run we clean up after it
if(tmr->mode == TIMER_MODE_SINGLE){
luaL_unref(L, LUA_REGISTRYINDEX, tmr->lua_ref);
tmr->lua_ref = LUA_NOREF;
tmr->mode = TIMER_MODE_OFF;
}else if(tmr->mode == TIMER_MODE_SEMI){
tmr->mode |= TIMER_IDLE_FLAG;
}
if (tmr->mode != TIMER_MODE_AUTO && tmr->self_ref != LUA_REFNIL) {
luaL_unref(L, LUA_REGISTRYINDEX, tmr->self_ref);
tmr->self_ref = LUA_NOREF;
}
lua_call(L, 1, 0);
}
static void net_recv_cb(lnet_userdata *ud, struct pbuf *p, ip_addr_t *addr, u16_t port) {
if (ud->client.cb_receive_ref == LUA_NOREF) {
pbuf_free(p);
return;
}
int num_args = 2;
char iptmp[16] = { 0, };
if (ud->type == TYPE_UDP_SOCKET)
{
num_args += 2;
ets_sprintf(iptmp, IPSTR, IP2STR(&addr->addr));
}
lua_State *L = lua_getstate();
struct pbuf *pp = p;
while (pp)
{
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->client.cb_receive_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
lua_pushlstring(L, pp->payload, pp->len);
if (ud->type == TYPE_UDP_SOCKET) {
lua_pushinteger(L, port);
lua_pushstring(L, iptmp);
}
lua_call(L, num_args, 0);
pp = pp->next;
}
pbuf_free(p);
}
static err_t net_accept_cb(void *arg, struct tcp_pcb *newpcb, err_t err) {
lnet_userdata *ud = (lnet_userdata*)arg;
if (!ud || ud->type != TYPE_TCP_SERVER || !ud->pcb) return ERR_ABRT;
if (ud->self_ref == LUA_NOREF || ud->server.cb_accept_ref == LUA_NOREF) return ERR_ABRT;
lua_State *L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->server.cb_accept_ref);
lnet_userdata *nud = net_create(L, TYPE_TCP_CLIENT);
lua_pushvalue(L, 2);
nud->self_ref = luaL_ref(L, LUA_REGISTRYINDEX);
nud->tcp_pcb = newpcb;
tcp_arg(nud->tcp_pcb, nud);
tcp_err(nud->tcp_pcb, net_err_cb);
tcp_recv(nud->tcp_pcb, net_tcp_recv_cb);
tcp_sent(nud->tcp_pcb, net_sent_cb);
nud->tcp_pcb->so_options |= SOF_KEEPALIVE;
nud->tcp_pcb->keep_idle = ud->server.timeout * 1000;
nud->tcp_pcb->keep_cnt = 1;
tcp_accepted(ud->tcp_pcb);
lua_call(L, 1, 0);
return net_connected_cb(nud, nud->tcp_pcb, ERR_OK);
}
static void tls_socket_onreconnect( struct espconn *pesp_conn, s8 err ) {
tls_socket_ud *ud = (tls_socket_ud *)pesp_conn->reverse;
if (!ud || ud->self_ref == LUA_NOREF) return;
if (ud->cb_reconnect_ref != LUA_NOREF) {
const char* reason = NULL;
switch (err) {
case(ESPCONN_MEM): reason = "Out of memory"; break;
case(ESPCONN_TIMEOUT): reason = "Timeout"; break;
case(ESPCONN_RTE): reason = "Routing problem"; break;
case(ESPCONN_ABRT): reason = "Connection aborted"; break;
case(ESPCONN_RST): reason = "Connection reset"; break;
case(ESPCONN_CLSD): reason = "Connection closed"; break;
case(ESPCONN_HANDSHAKE): reason = "SSL handshake failed"; break;
case(ESPCONN_SSL_INVALID_DATA): reason = "SSL application invalid"; break;
}
lua_State *L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->cb_reconnect_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
if (reason != NULL) {
lua_pushstring(L, reason);
} else {
lua_pushnil(L);
}
tls_socket_cleanup(ud);
lua_call(L, 2, 0);
} else tls_socket_cleanup(ud);
}
static void tls_socket_dns_cb( const char* domain, const ip_addr_t *ip_addr, tls_socket_ud *ud ) {
if (ud->self_ref == LUA_NOREF) return;
ip_addr_t addr;
if (ip_addr) addr = *ip_addr;
else addr.addr = 0xFFFFFFFF;
lua_State *L = lua_getstate();
if (ud->cb_dns_ref != LUA_NOREF) {
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->cb_dns_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
if (addr.addr == 0xFFFFFFFF) {
lua_pushnil(L);
} else {
char tmp[20];
c_sprintf(tmp, IPSTR, IP2STR(&addr.addr));
lua_pushstring(L, tmp);
}
lua_call(L, 2, 0);
}
if (addr.addr == 0xFFFFFFFF) {
lua_gc(L, LUA_GCSTOP, 0);
luaL_unref(L, LUA_REGISTRYINDEX, ud->self_ref);
ud->self_ref = LUA_NOREF;
lua_gc(L, LUA_GCRESTART, 0);
} else {
os_memcpy(ud->pesp_conn->proto.tcp->remote_ip, &addr.addr, 4);
espconn_secure_connect(ud->pesp_conn);
}
}
static void do_node_task (task_param_t task_fn_ref, uint8_t prio)
{
lua_State* L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, (int)task_fn_ref);
luaL_unref(L, LUA_REGISTRYINDEX, (int)task_fn_ref);
lua_pushinteger(L, prio);
lua_call(L, 1, 0);
}
static err_t net_sent_cb(void *arg, struct tcp_pcb *tpcb, u16_t len) {
lnet_userdata *ud = (lnet_userdata*)arg;
if (!ud || !ud->pcb || ud->type != TYPE_TCP_CLIENT || ud->self_ref == LUA_NOREF) return ERR_ABRT;
if (ud->client.cb_sent_ref == LUA_NOREF) return ERR_OK;
lua_State *L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->client.cb_sent_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
lua_call(L, 1, 0);
return ERR_OK;
}
static void key_short_press(void *arg) {
lua_State *L = lua_getstate();
NODE_DBG("key_short_press is called.\n");
if (short_key_ref == LUA_NOREF) {
default_short_press(arg);
return;
}
lua_rawgeti(L, LUA_REGISTRYINDEX, short_key_ref);
lua_call(L, 0, 0);
}
static void tls_socket_onconnect( struct espconn *pesp_conn ) {
tls_socket_ud *ud = (tls_socket_ud *)pesp_conn->reverse;
if (!ud || ud->self_ref == LUA_NOREF) return;
if (ud->cb_connect_ref != LUA_NOREF) {
lua_State *L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->cb_connect_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
lua_call(L, 1, 0);
}
}
static void on_timeout (void *arg)
{
(void)arg;
sntp_dbg("sntp: timer\n");
lua_State *L = lua_getstate ();
if (state->attempts >= MAX_ATTEMPTS)
handle_error (L, NTP_TIMEOUT_ERR);
else
sntp_dosend (L);
}
static void tls_socket_onrecv( struct espconn *pesp_conn, char *buf, u16 length ) {
tls_socket_ud *ud = (tls_socket_ud *)pesp_conn->reverse;
if (!ud || ud->self_ref == LUA_NOREF) return;
if (ud->cb_receive_ref != LUA_NOREF) {
lua_State *L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->cb_receive_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
lua_pushlstring(L, buf, length);
lua_call(L, 2, 0);
}
}
static err_t net_connected_cb(void *arg, struct tcp_pcb *tpcb, err_t err) {
lnet_userdata *ud = (lnet_userdata*)arg;
if (!ud || ud->pcb != tpcb) return ERR_ABRT;
if (err != ERR_OK) {
net_err_cb(arg, err);
return ERR_ABRT;
}
lua_State *L = lua_getstate();
if (ud->self_ref != LUA_NOREF && ud->client.cb_connect_ref != LUA_NOREF) {
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->client.cb_connect_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
lua_call(L, 1, 0);
}
return ERR_OK;
}
static void sntp_dns_found(const char *name, ip_addr_t *ipaddr, void *arg)
{
(void)arg;
lua_State *L = lua_getstate ();
if (ipaddr == NULL)
{
sntp_dbg("DNS Fail!\n");
handle_error(L, NTP_DNS_ERR);
}
else
{
server = *ipaddr;
sntp_dosend(L);
}
}
static void pcm_start_play_task( task_param_t param, uint8 prio )
{
lua_State *L = lua_getstate();
pud_t *pud = (pud_t *)param;
cfg_t *cfg = &(pud->cfg);
// stop driver before starting it in case it hasn't been stopped from Lua
pud->drv->stop( cfg );
if (!pud->drv->play( cfg )) {
luaL_error( L, "pcm driver start" );
}
// unthrottle ISR and reader
pud->cfg.isr_throttled = 0;
}
static void tls_socket_cleanup(tls_socket_ud *ud) {
if (ud->pesp_conn) {
espconn_secure_disconnect(ud->pesp_conn);
if (ud->pesp_conn->proto.tcp) {
c_free(ud->pesp_conn->proto.tcp);
ud->pesp_conn->proto.tcp = NULL;
}
c_free(ud->pesp_conn);
ud->pesp_conn = NULL;
}
lua_State *L = lua_getstate();
lua_gc(L, LUA_GCSTOP, 0);
luaL_unref(L, LUA_REGISTRYINDEX, ud->self_ref);
ud->self_ref = LUA_NOREF;
lua_gc(L, LUA_GCRESTART, 0);
}
static void websocketclient_onConnectionCallback(ws_info *ws) {
NODE_DBG("websocketclient_onConnectionCallback\n");
lua_State *L = lua_getstate();
if (ws == NULL || ws->reservedData == NULL) {
luaL_error(L, "Client websocket is nil.\n");
return;
}
ws_data *data = (ws_data *) ws->reservedData;
if (data->onConnection != LUA_NOREF) {
lua_rawgeti(L, LUA_REGISTRYINDEX, data->onConnection); // load the callback function
lua_rawgeti(L, LUA_REGISTRYINDEX, data->self_ref); // pass itself, #1 callback argument
lua_call(L, 1, 0);
}
}
static void websocketclient_onReceiveCallback(ws_info *ws, char *message, int opCode) {
NODE_DBG("websocketclient_onReceiveCallback\n");
lua_State *L = lua_getstate();
if (ws == NULL || ws->reservedData == NULL) {
luaL_error(L, "Client websocket is nil.\n");
return;
}
ws_data *data = (ws_data *) ws->reservedData;
if (data->onReceive != LUA_NOREF) {
lua_rawgeti(L, LUA_REGISTRYINDEX, data->onReceive); // load the callback function
lua_rawgeti(L, LUA_REGISTRYINDEX, data->self_ref); // pass itself, #1 callback argument
lua_pushstring(L, message); // #2 callback argument
lua_pushnumber(L, opCode); // #3 callback argument
lua_call(L, 3, 0);
}
}
static void wifi_status_cb(int arg)
{
lua_State* L = lua_getstate();
if (wifi_get_opmode() == SOFTAP_MODE)
{
os_timer_disarm(&wifi_sta_status_timer);
return;
}
int wifi_status = wifi_station_get_connect_status();
if (wifi_status != prev_wifi_status)
{
if(wifi_station_status_cb_ref[wifi_status] != LUA_NOREF)
{
lua_rawgeti(L, LUA_REGISTRYINDEX, wifi_station_status_cb_ref[wifi_status]);
lua_pushnumber(L, prev_wifi_status);
lua_call(L, 1, 0);
}
}
prev_wifi_status = wifi_status;
}
void output_redirect(const char *str) {
lua_State *L = lua_getstate();
// if(c_strlen(str)>=TX_BUFF_SIZE){
// NODE_ERR("output too long.\n");
// return;
// }
if (output_redir_ref == LUA_NOREF || !L) {
uart0_sendStr(str);
return;
}
if (serial_debug != 0) {
uart0_sendStr(str);
}
lua_rawgeti(L, LUA_REGISTRYINDEX, output_redir_ref);
lua_pushstring(L, str);
lua_call(L, 1, 0); // this call back function should never user output.
}
static void net_dns_static_cb(const char *name, ip_addr_t *ipaddr, void *callback_arg) {
ip_addr_t addr;
if (ipaddr != NULL)
addr = *ipaddr;
else addr.addr = 0xFFFFFFFF;
int cb_ref = ((int*)callback_arg)[0];
c_free(callback_arg);
lua_State *L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, cb_ref);
lua_pushnil(L);
if (addr.addr != 0xFFFFFFFF) {
char iptmp[20];
size_t ipl = c_sprintf(iptmp, IPSTR, IP2STR(&addr.addr));
lua_pushlstring(L, iptmp, ipl);
} else {
lua_pushnil(L);
}
lua_call(L, 2, 0);
luaL_unref(L, LUA_REGISTRYINDEX, cb_ref);
}
static void net_err_cb(void *arg, err_t err) {
lnet_userdata *ud = (lnet_userdata*)arg;
if (!ud || ud->type != TYPE_TCP_CLIENT || ud->self_ref == LUA_NOREF) return;
ud->pcb = NULL; // Will be freed at LWIP level
lua_State *L = lua_getstate();
int ref;
if (err != ERR_OK && ud->client.cb_reconnect_ref != LUA_NOREF)
ref = ud->client.cb_reconnect_ref;
else ref = ud->client.cb_disconnect_ref;
if (ref != LUA_NOREF) {
lua_rawgeti(L, LUA_REGISTRYINDEX, ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ud->self_ref);
lua_pushinteger(L, err);
lua_call(L, 2, 0);
}
if (ud->client.wait_dns == 0) {
lua_gc(L, LUA_GCSTOP, 0);
luaL_unref(L, LUA_REGISTRYINDEX, ud->self_ref);
ud->self_ref = LUA_NOREF;
lua_gc(L, LUA_GCRESTART, 0);
}
}
static void websocketclient_onCloseCallback(ws_info *ws, int errorCode) {
NODE_DBG("websocketclient_onCloseCallback\n");
lua_State *L = lua_getstate();
if (ws == NULL || ws->reservedData == NULL) {
luaL_error(L, "Client websocket is nil.\n");
return;
}
ws_data *data = (ws_data *) ws->reservedData;
if (data->onClose != LUA_NOREF) {
lua_rawgeti(L, LUA_REGISTRYINDEX, data->onClose); // load the callback function
lua_rawgeti(L, LUA_REGISTRYINDEX, data->self_ref); // pass itself, #1 callback argument
lua_pushnumber(L, errorCode); // pass the error code, #2 callback argument
lua_call(L, 2, 0);
}
// free self-reference to allow gc (no futher callback will be called until next ws:connect())
lua_gc(L, LUA_GCSTOP, 0); // required to avoid freeing ws_data
luaL_unref(L, LUA_REGISTRYINDEX, data->self_ref);
data->self_ref = LUA_NOREF;
lua_gc(L, LUA_GCRESTART, 0);
}
static void on_recv (void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr, uint16_t port)
{
(void)port;
sntp_dbg("sntp: on_recv\n");
lua_State *L = lua_getstate();
if (!state || state->pcb != pcb)
{
// "impossible", but don't leak if it did happen somehow...
udp_remove (pcb);
pbuf_free (p);
return;
}
if (!p)
return;
if (p->len < sizeof (ntp_frame_t))
{
pbuf_free (p);
return; // not an ntp frame, ignore
}
// make sure we have an aligned copy to work from
ntp_frame_t ntp;
os_memcpy (&ntp, p->payload, sizeof (ntp));
pbuf_free (p);
sntp_dbg("sntp: transmit timestamp: %u, %u\n", ntp.xmit.sec, ntp.xmit.frac);
// sanity checks before we touch our clocks
ip_addr_t anycast;
NTP_ANYCAST_ADDR(&anycast);
if (server.addr != anycast.addr && server.addr != addr->addr)
return; // unknown sender, ignore
if (ntp.origin.sec != state->cookie.sec ||
ntp.origin.frac != state->cookie.frac)
return; // unsolicited message, ignore
if (ntp.LI == 3)
return; // server clock not synchronized (why did it even respond?!)
server.addr = addr->addr;
ntp.origin.sec = ntohl (ntp.origin.sec);
ntp.origin.frac = ntohl (ntp.origin.frac);
ntp.recv.sec = ntohl (ntp.recv.sec);
ntp.recv.frac = ntohl (ntp.recv.frac);
ntp.xmit.sec = ntohl (ntp.xmit.sec);
ntp.xmit.frac = ntohl (ntp.xmit.frac);
const uint32_t UINT32_MAXI = (uint32_t)-1;
const uint64_t MICROSECONDS = 1000000ull;
const uint32_t NTP_TO_UNIX_EPOCH = 2208988800ul;
bool have_cb = (state->sync_cb_ref != LUA_NOREF);
// if we have rtctime, do higher resolution delta calc, else just use
// the transmit timestamp
#ifdef LUA_USE_MODULES_RTCTIME
struct rtc_timeval tv;
rtctime_gettimeofday (&tv);
ntp_timestamp_t dest;
dest.sec = tv.tv_sec;
dest.frac = (MICROSECONDS * tv.tv_usec) / UINT32_MAXI;
// Compensation as per RFC2030
int64_t delta_s = (((int64_t)ntp.recv.sec - ntp.origin.sec) +
((int64_t)ntp.xmit.sec - dest.sec)) / 2;
int64_t delta_f = (((int64_t)ntp.recv.frac - ntp.origin.frac) +
((int64_t)ntp.xmit.frac - dest.frac)) / 2;
dest.sec += delta_s;
if (delta_f + dest.frac < 0)
{
delta_f += UINT32_MAXI;
--dest.sec;
}
else if (delta_f + dest.frac > UINT32_MAXI)
{
delta_f -= UINT32_MAXI;
++dest.sec;
}
dest.frac += delta_f;
tv.tv_sec = dest.sec - NTP_TO_UNIX_EPOCH;
tv.tv_usec = (MICROSECONDS * dest.frac) / UINT32_MAXI;
rtctime_settimeofday (&tv);
if (have_cb)
{
lua_rawgeti (L, LUA_REGISTRYINDEX, state->sync_cb_ref);
lua_pushnumber (L, tv.tv_sec);
lua_pushnumber (L, tv.tv_usec);
}
#else
if (have_cb)
{
lua_rawgeti (L, LUA_REGISTRYINDEX, state->sync_cb_ref);
lua_pushnumber (L, ntp.xmit.sec - NTP_TO_UNIX_EPOCH);
lua_pushnumber (L, (MICROSECONDS * ntp.xmit.frac) / UINT32_MAXI);
}
#endif
cleanup (L);
if (have_cb)
{
lua_pushstring (L, ipaddr_ntoa (&server));
lua_call (L, 3, 0);
}
}