void ICACHE_FLASH_ATTR tfp_recv_unhold(void) {
if(tfp_is_hold) {
for(uint8_t i = 0; i < TFP_MAX_CONNECTIONS; i++) {
if(tfp_cons[i].state == TFP_CON_STATE_OPEN || tfp_cons[i].state == TFP_CON_STATE_SENDING) {
espconn_recv_unhold(tfp_cons[i].con);
}
}
logd("unhold: %d\n", ringbuffer_get_free(&tfp_rb));
tfp_is_hold = false;
}
}
static int tls_socket_unhold( lua_State *L ) {
tls_socket_ud *ud = (tls_socket_ud *)luaL_checkudata(L, 1, "tls.socket");
luaL_argcheck(L, ud, 1, "TLS socket expected");
if(ud==NULL){
NODE_DBG("userdata is nil.\n");
return 0;
}
if(ud->pesp_conn == NULL) {
NODE_DBG("not connected");
return 0;
}
espconn_recv_unhold(ud->pesp_conn);
return 0;
}
LWS_VISIBLE int
lws_plat_change_pollfd(struct lws_context *context,
struct lws *wsi, struct lws_pollfd *pfd)
{
void *p;
//lwsl_notice("%s: %p: wsi->pift=%d, events %d\n",
// __func__, wsi, wsi->position_in_fds_table, pfd->events);
if (pfd->events & LWS_POLLIN) {
if (wsi->premature_rx) {
lwsl_notice("replaying buffered rx: wsi %p\n", wsi);
p = wsi->premature_rx;
wsi->premature_rx = NULL;
esp8266_cb_rx(wsi->desc.sockfd,
(char *)p + wsi->prem_rx_pos,
wsi->prem_rx_size - wsi->prem_rx_pos);
wsi->prem_rx_size = 0;
wsi->prem_rx_pos = 0;
lws_free(p);
}
if (espconn_recv_unhold(wsi->desc.sockfd) < 0)
return -1;
} else
if (espconn_recv_hold(wsi->desc.sockfd) < 0)
return -1;
if (!(pfd->events & LWS_POLLOUT))
return 0;
if (!wsi->pending_send_completion) {
pfd->revents |= LWS_POLLOUT;
// lwsl_notice("doing POLLOUT\n");
lws_service_fd(lws_get_context(wsi), pfd);
} //else
//lwsl_notice("pending sc\n");
return 0;
}
static int net_socket_unhold( lua_State* L )
{
const char *mt = "net.socket";
struct espconn *pesp_conn = NULL;
lnet_userdata *nud;
size_t l;
nud = (lnet_userdata *)luaL_checkudata(L, 1, mt);
luaL_argcheck(L, nud, 1, "Server/Socket expected");
if(nud==NULL){
NODE_DBG("userdata is nil.\n");
return 0;
}
if(nud->pesp_conn == NULL){
NODE_DBG("nud->pesp_conn is NULL.\n");
return 0;
}
pesp_conn = nud->pesp_conn;
espconn_recv_unhold(pesp_conn);
return 0;
}
/**
* Receive data from the network device.
* Returns the number of bytes received which may be 0 and <0 if there was an error.
*/
int net_ESP8266_BOARD_recv(
JsNetwork *net, //!< The Network we are going to use to create the socket.
int sckt, //!< The socket from which we are to receive data.
void *buf, //!< The storage buffer into which we will receive data.
size_t len //!< The length of the buffer.
) {
//DBG("%s:recv\n", DBG_LIB);
struct socketData *pSocketData = getSocketData(sckt);
assert(pSocketData);
assert(pSocketData->state != SOCKET_STATE_UNUSED);
// handle socket that needs aborting
if (pSocketData->state == SOCKET_STATE_TO_ABORT) {
espconn_abort(pSocketData->pEspconn);
return pSocketData->errorCode;
}
// If there is no data in the receive buffer, then all we need do is return
// 0 bytes as the length of data moved or -1 if the socket is actually closed.
if (pSocketData->rxBufQ == NULL) {
switch (pSocketData->state) {
case SOCKET_STATE_CLOSED:
return pSocketData->errorCode != 0 ? pSocketData->errorCode : SOCKET_ERR_CLOSED;
case SOCKET_STATE_DISCONNECTING:
case SOCKET_STATE_ABORTING:
return pSocketData->errorCode;
case SOCKET_STATE_HOST_RESOLVING:
case SOCKET_STATE_CONNECTING:
return SOCKET_ERR_NO_CONN;
default:
return 0; // we just have no data
}
}
PktBuf *rxBuf = pSocketData->rxBufQ;
// If the receive buffer is able to completely fit in the buffer
// passed into us then we can copy all the data and the receive buffer will be clear.
if (rxBuf->filled <= len) {
os_memcpy(buf, rxBuf->data, rxBuf->filled);
int retLen = rxBuf->filled;
pSocketData->rxBufQ = PktBuf_ShiftFree(rxBuf);
// if we now have exactly one buffer enqueued we need to re-enable the flood
if (pSocketData->rxBufQ != NULL && pSocketData->rxBufQ->next == NULL)
espconn_recv_unhold(pSocketData->pEspconn);
//DBG("%s: socket %d JS recv %d\n", DBG_LIB, sckt, retLen);
return retLen;
}
// If we are here, then we have more data in the receive buffer than is available
// to be returned in this request for data. So we have to copy the amount of data
// that is allowed to be returned and then strip that from the beginning of the
// receive buffer.
// First we copy the data we are going to return.
os_memcpy(buf, rxBuf->data, len);
// Next we shift up the remaining data
uint16_t newLen = rxBuf->filled - len;
os_memmove(rxBuf->data, rxBuf->data + len, newLen);
rxBuf->filled = newLen;
//DBG("%s: socket %d JS recv %d\n", DBG_LIB, sckt, len);
return len;
}
