void ICACHE_FLASH_ATTR tfp_recv_hold(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_hold(tfp_cons[i].con);
}
}
logd("hold: %d\n", ringbuffer_get_free(&tfp_rb));
tfp_is_hold = true;
}
}
static void
esp8266_cb_connect(void *arg)
{
struct espconn *cs = arg;
// struct ip_addr *ipa = (struct ip_addr *)cs->proto.tcp->remote_ip;
struct lws_vhost *vh = hacky_context->vhost_list;
// struct ip_info info;
struct lws *wsi;
int n;
lwsl_notice("%s: (wsi coming): %p\n", __func__, cs->reverse);
#if 0
wifi_get_ip_info(0, &info);
if (ip_addr_netcmp(ipa, &info.ip, &info.netmask)) {
/* we are on the same subnet as the AP, ie, connected to AP */
while (vh && strcmp(vh->name, "ap"))
vh = vh->vhost_next;
} else
while (vh && !strcmp(vh->name, "ap"))
vh = vh->vhost_next;
if (!vh)
goto bail;
#endif
n = esp8266_find_free_conn(hacky_context);
if (n < 0)
goto bail;
hacky_context->connpool[n] = cs;
espconn_recv_hold(cs);
wsi = lws_adopt_socket_vhost(vh, cs);
if (!wsi)
goto bail;
lwsl_err("%s: wsi %p (using free_conn %d): vh %s\n", __func__, wsi, n, vh->name);
espconn_regist_recvcb(cs, esp8266_cb_rx);
espconn_regist_reconcb(cs, esp8266_cb_recon);
espconn_regist_disconcb(cs, esp8266_cb_disconnected);
espconn_regist_sentcb(cs, esp8266_cb_sent);
espconn_set_opt(cs, ESPCONN_NODELAY | ESPCONN_REUSEADDR);
espconn_regist_time(cs, 7200, 1);
return;
bail:
lwsl_err("%s: bailed]n", __func__);
espconn_disconnect(cs);
}
static int tls_socket_hold( 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_hold(ud->pesp_conn);
return 0;
}
/**
* ESP8266 callback function that is invoked when new data has arrived over
* the TCP/IP connection.
*/
static void esp8266_callback_recvCB(
void *arg, //!< A pointer to a `struct espconn`.
char *pData, //!< A pointer to data received over the socket.
unsigned short len //!< The length of the data.
) {
struct espconn *pEspconn = (struct espconn *)arg;
struct socketData *pSocketData = (struct socketData *)pEspconn->reverse;
if (pSocketData == NULL) return; // we closed this socket
//if (pEspconn != pSocketData->pEspconn) DBG("%s: pEspconn changed in recvCB ***\n", DBG_LIB);
assert(pSocketData->state != SOCKET_STATE_UNUSED);
//DBG("%s: socket %d recv %d\n", DBG_LIB, pSocketData->socketId, len);
//DBG("%s: recv data: %p\n", DBG_LIB, pData);
// if this is a dead connection then just ignore the callback
if (pSocketData->state == SOCKET_STATE_ABORTING ||
pSocketData->state == SOCKET_STATE_TO_ABORT ||
pSocketData->state == SOCKET_STATE_CLOSED ||
pSocketData->state == SOCKET_STATE_DISCONNECTING) {
return;
}
// Allocate a buffer and add to the receive queue
PktBuf *buf = PktBuf_New(len);
if (!buf) {
// handle out of memory condition
DBG("%s: Out of memory allocating %d for recv\n", DBG_LIB, len);
// at this point we're gonna deallocate all receive buffers as a panic measure
while (pSocketData->rxBufQ != NULL)
pSocketData->rxBufQ = PktBuf_ShiftFree(pSocketData->rxBufQ);
// save the error
setSocketInError(pSocketData, ESPCONN_MEM);
// now reset the connection
//espconn_abort(pEspconn); // can't do this: espconn crashes!
pSocketData->state = SOCKET_STATE_TO_ABORT; // some function called from socket lib will abort
//DBG("%s: ret from recvCB\n", DBG_LIB);
return;
}
// if this is the second buffer then stop the flood!
if (pSocketData->rxBufQ != NULL) espconn_recv_hold(pEspconn);
// got buffer, fill it
os_memcpy(buf->data, pData, len);
buf->filled = len;
pSocketData->rxBufQ = PktBuf_Push(pSocketData->rxBufQ, buf);
}
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_hold( 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_hold(pesp_conn);
return 0;
}