/******************************************************************************
* FunctionName : espconn_sent
* Description : sent data for client or server
* Parameters : espconn -- espconn to set for client or server
* psent -- data to send
* length -- length of data to send
* Returns : none
*******************************************************************************/
sint8 ICACHE_FLASH_ATTR
espconn_sent(struct espconn *espconn, uint8 *psent, uint16 length)
{
espconn_msg *pnode = NULL;
bool value = false;
if (espconn == NULL) {
return ESPCONN_ARG;
}
espconn ->state = ESPCONN_WRITE;
value = espconn_find_connection(espconn, &pnode);
switch (espconn ->type) {
case ESPCONN_TCP:
// if (value && (pnode->pcommon.write_len == pnode->pcommon.write_total)){
if (value && (pnode->pcommon.cntr == 0)){
espconn_tcp_sent(pnode, psent, length);
}else
return ESPCONN_ARG;
break;
case ESPCONN_UDP: {
if (value)
espconn_udp_sent(pnode, psent, length);
else
return ESPCONN_ARG;
break;
}
default :
break;
}
return ESPCONN_OK;
}
static void ICACHE_FLASH_ATTR espconn_data_sent(void *arg)
{
espconn_msg *psent = arg;
if (psent == NULL) {
return;
}
if (psent->pcommon.cntr == 0) {
psent->pespconn->state = ESPCONN_CONNECT;
sys_timeout(TCP_FAST_INTERVAL, espconn_data_sentcb, psent->pespconn);
} else {
espconn_udp_sent(arg, psent->pcommon.ptrbuf, psent->pcommon.cntr);
}
}
static void ICACHE_FLASH_ATTR espconn_data_sent(void *arg, enum send_opt opt)
{
espconn_msg *psent = arg;
if (psent == NULL) {
return;
}
if (psent->pcommon.cntr == 0) {
psent->pespconn->state = ESPCONN_CONNECT;
if (psent->pcommon.err == 0)
espconn_data_sentcb(psent->pespconn);
} else {
if (opt == ESPCONN_SEND){
espconn_udp_sent(arg, psent->pcommon.ptrbuf, psent->pcommon.cntr);
} else {
espconn_udp_sendto(arg, psent->pcommon.ptrbuf, psent->pcommon.cntr);
}
}
}
/******************************************************************************
* FunctionName : espconn_sent
* Description : sent data for client or server
* Parameters : espconn -- espconn to set for client or server
* psent -- data to send
* length -- length of data to send
* Returns : none
*******************************************************************************/
sint8 ICACHE_FLASH_ATTR
espconn_sent(struct espconn *espconn, uint8 *psent, uint16 length)
{
espconn_msg *pnode = NULL;
bool value = false;
err_t error = ESPCONN_OK;
espconn_buf *pbuf = NULL;
if (espconn == NULL || psent == NULL || length == 0) {
return ESPCONN_ARG;
}
//printf("espconn_sent len %d %s \n",length,psent);
/*Find the node depend on the espconn message*/
value = espconn_find_connection(espconn, &pnode);
if (value){
espconn ->state = ESPCONN_WRITE;
switch (espconn ->type) {
case ESPCONN_TCP:
/* calling sent function frequently,make sure last packet has been backup or sent fully*/
if (pnode->pcommon.write_flag){
/*If total number of espconn_buf on the unsent lists exceeds the set maximum, return an error */
if (espconn_copy_enabled(pnode)){
if (espconn_tcp_get_buf_count(pnode->pcommon.pbuf) >= pnode ->pcommon.pbuf_num)
return ESPCONN_MAXNUM;
} else {
// struct tcp_pcb *pcb = (struct tcp_pcb *)pnode->pcommon.pcb;
if (((struct tcp_pcb *)pnode->pcommon.pcb)->snd_queuelen >= TCP_SND_QUEUELEN(0))
return ESPCONN_MAXNUM;
}
pbuf = (espconn_buf*) malloc(sizeof(espconn_buf));
if (pbuf == NULL)
return ESPCONN_MEM;
else {
/*Backup the application packet information for send more data*/
pbuf->payload = psent;
pbuf->punsent = pbuf->payload;
pbuf->unsent = length;
pbuf->len = length;
/*insert the espconn_pbuf to the list*/
espconn_pbuf_create(&pnode->pcommon.pbuf, pbuf);
if (pnode->pcommon.ptail == NULL) {
pnode->pcommon.ptail = pbuf;
}
//printf("espconn_pbuf_create %p pesp_buf %p\n",pnode,pnode->pcommon.pbuf);
}
/*when set the data copy option. change the flag for next packet*/
if (espconn_copy_disabled(pnode))
pnode->pcommon.write_flag = false;
error = espconn_tcp_write(pnode);
if (error != ESPCONN_OK){
/*send the application packet fail,
* ensure that each allocated is deleted*/
espconn_pbuf_delete(&pnode->pcommon.pbuf, pbuf);
// free();
free(pbuf);
pbuf = NULL;
}
return error;
} else
return ESPCONN_ARG;
break;
case ESPCONN_UDP:
return espconn_udp_sent(pnode, psent, length);
break;
default :
break;
}
}
return ESPCONN_ARG;
}
