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https://github.com/lwip-tcpip/lwip.git
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ac46e42aa2
... from http://git.savannah.gnu.org/cgit/lwip/lwip-contrib.git/ into contrib/ subdir, STABLE-2_1_0_RELEASE tag lwIP contrib is now officially frozen TODO: Fix build
56 lines
1.0 KiB
C
56 lines
1.0 KiB
C
#include "netio.h"
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#include "lwip/opt.h"
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#include "lwip/tcp.h"
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/* See http://www.nwlab.net/art/netio/netio.html to get the netio tool */
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#if LWIP_TCP && LWIP_CALLBACK_API
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static err_t
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netio_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
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{
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LWIP_UNUSED_ARG(arg);
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if (err == ERR_OK && p != NULL) {
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tcp_recved(pcb, p->tot_len);
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pbuf_free(p);
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} else {
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pbuf_free(p);
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}
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if (err == ERR_OK && p == NULL) {
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tcp_arg(pcb, NULL);
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tcp_sent(pcb, NULL);
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tcp_recv(pcb, NULL);
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tcp_close(pcb);
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}
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return ERR_OK;
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}
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static err_t
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netio_accept(void *arg, struct tcp_pcb *pcb, err_t err)
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{
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LWIP_UNUSED_ARG(arg);
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LWIP_UNUSED_ARG(err);
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if (pcb != NULL) {
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tcp_arg(pcb, NULL);
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tcp_sent(pcb, NULL);
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tcp_recv(pcb, netio_recv);
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}
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return ERR_OK;
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}
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void
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netio_init(void)
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{
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struct tcp_pcb *pcb;
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pcb = tcp_new_ip_type(IPADDR_TYPE_ANY);
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tcp_bind(pcb, IP_ANY_TYPE, 18767);
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pcb = tcp_listen(pcb);
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tcp_accept(pcb, netio_accept);
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}
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#endif /* LWIP_TCP && LWIP_CALLBACK_API */
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