}//发送数据voidtcp_server_senddata( struct tcp_pcb *tpcb, struct tcp_server_struct *es ){structpbuf*ptr;u16 plen ;err_twr_err = ERR_OK ;while( ( wr_err==ERR_OK )&&( es->p )&&( es->p->len<=tcp_sndbuf( tpcb ) ) ) { ptr = es->p ; wr_err =tcp_write( tpcb, ptr->...
(es->p->len <=tcp_sndbuf(tpcb))) {// get pointer on pbuf from es structureptr = es->p;// enqueue data for transmissionwr_err =tcp_write(tpcb, ptr->payload, ptr->len,1);if(wr_err == ERR_OK) {u16_tplen;u8_tfreed; plen = ptr->len;// continue with next pbuf in chain ...
err_t err = ERR_OK; if (!tpcb) return 0; while ((err == ERR_OK) && (len != 0) && (tcp_sndbuf(tpcb) > 0)) { nwrite = tcp_sndbuf(tpcb) >= len ? len : tcp_sndbuf(tpcb); err = tcp_write(tpcb, p, nwrite, 1); if (err == ERR_OK) { len -= nwrite; total += ...
tcp_close(tpcb); xil_printf("tcp connection closed\r\n"); tcp_recv(tpcb, NULL); return ERR_OK; } tcp_recved(tpcb, p->len); //已收到数据包 if (tcp_sndbuf(tpcb) > p->len) { //检测可用空间字节数 send_data(p); //echo } else xil_printf("no space in tcp_sndbuf\n\r"); ...
tcppcbconn=tcp_listen(tpcb); //设置tcppcb进入监听状态 tcp_accept(tpcb,tcp_server_accept); ...
(es-> p-> len < = tcp_sndbuf (tpcb)) { /* 从 es 结构中获取 pbuf 上的指针 */ ptr = es-> p; /* 将数据排队进行传输 */ wr_err = tcp_write(tpcb,ptr-> 有效载荷,ptr-> len,1); if (wr_err == ERR_OK) { u16_t plen; u8_t 已释放; plen = ptr-> len; /* 继续...
(es->p->len <= tcp_sndbuf(tpcb))) { ptr = es->p;/* enqueue data for transmission */wr_err = tcp_write(tpcb, ptr->payload, ptr->len, TCP_WRITE_FLAG_COPY);if(wr_err == ERR_OK) {u16_tplen;u8_tfreed; plen = ptr->len;/* continue with next pbuf in chain (if any) *...
= NULL) && (es->p->len <= tcp_sndbuf(tpcb))) { // get pointer on pbuf from es structure ptr = es->p; // enqueue data for transmission wr_err = tcp_write(tpcb, ptr->payload, ptr->len, 1); if (wr_err == ERR_OK) { u16_t plen; u8_t freed; plen = ptr->len; //...
while ((wr_err == ERR_OK) && (es->p) && (es->p->len <= tcp_sndbuf(tpcb))){ printf...
//此函数用来发送数据void tcp_server_senddata(struct tcp_pcb *tpcb, struct tcp_server_struct *es){struct pbuf *ptr;u16 plen;err_t wr_err=ERR_OK; while((wr_err==ERR_OK)&&es->p&&(es->p->len<=tcp_sndbuf(tpcb))) {ptr=es->p;wr_err=tcp_write(tpcb,ptr->payload,ptr->len,1);...