//callback after the data are sent
static void ICACHE_FLASH_ATTR serverSentCb(void *arg) {
serverConnData *conn = serverFindConnData(arg);
//ets_uart_printf("Sent callback on conn %p\n", conn);
if (conn==NULL) return;
conn->readytosend = true;
sendtxbuffer(conn); // send possible new data in txbuffer
}
//use espbuffsent instead of espconn_sent
//It solve problem: the next espconn_sent must after espconn_sent_callback of the pre-packet.
//Add data to the send buffer and send if previous send was completed it call sendtxbuffer and espconn_sent
//Returns ESPCONN_OK (0) for success, -128 if buffer is full or error from espconn_sent
sint8 ICACHE_FLASH_ATTR espbuffsent(serverConnData *conn, const char *data, uint16 len) {
if (connData->txbufferlen + len > MAX_TXBUFFER) {
os_printf("\r\nespbuffsent: txbuffer full txbufferlen=%d, len=%d, max=%d", connData->txbufferlen, len, MAX_TXBUFFER);
return -128;
}
os_memcpy(connData->txbuffer + connData->txbufferlen, data, len);
connData->txbufferlen += len;
if (connData->readytosend)
return sendtxbuffer(connData);
return ESPCONN_OK;
}
//use espbuffsent instead of espconn_sent
//It solve problem: the next espconn_sent must after espconn_sent_callback of the pre-packet.
//Add data to the send buffer and send if previous send was completed it call sendtxbuffer and espconn_sent
//Returns ESPCONN_OK (0) for success, -128 if buffer is full or error from espconn_sent
sint8 ICACHE_FLASH_ATTR espbuffsent(serverConnData *conn, const char *data, uint16 len) {
if (conn->txbufferlen + len > MAX_TXBUFFER) {
//ets_uart_printf("espbuffsent: txbuffer full on conn %p\n", conn);
return -128;
}
os_memcpy(conn->txbuffer + conn->txbufferlen, data, len);
conn->txbufferlen += len;
if (conn->readytosend)
return sendtxbuffer(conn);
return ESPCONN_OK;
}
//send formatted output to transmit buffer and call sendtxbuffer, if ready (previous espconn_sent is completed)
sint8 ICACHE_FLASH_ATTR espbuffsentprintf(serverConnData *conn, const char *format, ...) {
uint16 len;
va_list al;
va_start(al, format);
len = ets_vsnprintf(conn->txbuffer + conn->txbufferlen, MAX_TXBUFFER - conn->txbufferlen - 1, format, al);
va_end(al);
if (len <0) {
return len;
}
conn->txbufferlen += len;
if (conn->readytosend)
return sendtxbuffer(conn);
return ESPCONN_OK;
}
//callback after the data are sent
static void ICACHE_FLASH_ATTR serverSentCb(void *arg) {
connData->readytosend = true;
sendtxbuffer(connData); // send possible new data in txbuffer
}