Last change
on this file was 457, checked in by coas-nagasima, 4 years ago |
ファイルを追加
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Property svn:eol-style
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Property svn:mime-type
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File size:
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[457] | 1 | #include "netio.h"
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| 2 |
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| 3 | #include "lwip/opt.h"
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| 4 | #include "lwip/tcp.h"
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| 5 |
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| 6 | /* See http://www.nwlab.net/art/netio/netio.html to get the netio tool */
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| 7 |
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| 8 | #if LWIP_TCP && LWIP_CALLBACK_API
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| 9 | static err_t
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| 10 | netio_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
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| 11 | {
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| 12 | LWIP_UNUSED_ARG(arg);
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| 13 |
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| 14 | if (err == ERR_OK && p != NULL) {
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| 15 | tcp_recved(pcb, p->tot_len);
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| 16 | pbuf_free(p);
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| 17 | } else {
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| 18 | pbuf_free(p);
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| 19 | }
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| 20 |
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| 21 | if (err == ERR_OK && p == NULL) {
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| 22 | tcp_arg(pcb, NULL);
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| 23 | tcp_sent(pcb, NULL);
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| 24 | tcp_recv(pcb, NULL);
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| 25 | tcp_close(pcb);
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| 26 | }
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| 27 |
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| 28 | return ERR_OK;
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| 29 | }
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| 30 |
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| 31 | static err_t
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| 32 | netio_accept(void *arg, struct tcp_pcb *pcb, err_t err)
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| 33 | {
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| 34 | LWIP_UNUSED_ARG(arg);
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| 35 | LWIP_UNUSED_ARG(err);
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| 36 |
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| 37 | if (pcb != NULL) {
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| 38 | tcp_arg(pcb, NULL);
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| 39 | tcp_sent(pcb, NULL);
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| 40 | tcp_recv(pcb, netio_recv);
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| 41 | }
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| 42 | return ERR_OK;
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| 43 | }
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| 44 |
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| 45 | void
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| 46 | netio_init(void)
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| 47 | {
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| 48 | struct tcp_pcb *pcb;
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| 49 |
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| 50 | pcb = tcp_new_ip_type(IPADDR_TYPE_ANY);
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| 51 | tcp_bind(pcb, IP_ANY_TYPE, 18767);
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| 52 | pcb = tcp_listen(pcb);
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| 53 | tcp_accept(pcb, netio_accept);
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| 54 | }
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| 55 | #endif /* LWIP_TCP && LWIP_CALLBACK_API */
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