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#include <pico/stdio.h>
#include <lwip/init.h>
#include <lwip/tcp.h>
#include "init.h"
#include "config.h"
err_t recv_handler(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {
if (p == NULL) return ERR_VAL;
printf("recv: %s\n", (char *) p->payload);
tcp_recved(pcb, p->len);
pbuf_free(p);
return ERR_OK;
}
err_t accept_handler(void *arg, struct tcp_pcb *pcb, err_t err) {
tcp_recv(pcb, recv_handler);
return ERR_OK;
}
void serve_task() {
await_init();
// TODO: why does this hang???
// printf("starting lwip...\n");
// lwip_init();
printf("starting server...\n");
struct tcp_pcb *pcb = tcp_new();
tcp_bind(pcb, IP_ADDR_ANY, CONF_SRV_PORT);
pcb = tcp_listen(pcb);
printf("listening on %s:%d\n", ip4addr_ntoa(netif_ip4_addr(netif_list)), CONF_SRV_PORT);
// connection accept callback
tcp_accept(pcb, accept_handler);
printf("server started!\n");
}
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