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/* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only */
/* Copyright (c) 2025 Brett Sheffield <bacs@librecast.net> */
/* Librecast sender example */
#include <librecast.h>
int main(void)
{
char data[] = "I have a dream";
ssize_t bytes;
int rc = EXIT_FAILURE; /* pessimistic, aren't we? */
/* we start with a Librecast Context (lc_ctx_t) */
lc_ctx_t *lctx = lc_ctx_new();
if (!lctx) return rc;
/* create a Librecast Socket (IPv6) */
lc_socket_t *sock = lc_socket_new(lctx);
if (!sock) goto free_ctx;
/* create a Librecast Channel */
lc_channel_t *chan = lc_channel_new(lctx, "my very first Librecast channel");
/* bind the Channel to the Socket */
lc_channel_bind(sock, chan);
/* enable loopback, so we receive our own packets on the same host */
lc_socket_loop(sock, 1);
#if 0
/* enable RaptorQ encoding (RFC6330) */
lc_channel_coding_set(chan, LC_CODE_FEC_RQ | LC_CODE_FEC_OTI);
lc_channel_rq_overhead(chan, RQ_OVERHEAD + 5);
#endif
/* rate-limit sending */
lc_channel_ratelimit(chan, 104857600 /* 100Mbps */ , 0);
/* send some multicast data */
bytes = lc_channel_send(chan, data, sizeof data, 0);
if (bytes == -1) {
perror("lc_channel_send");
goto free_ctx;
}
printf("sent: '%s' (%zi bytes)\n", data, bytes);
rc = EXIT_SUCCESS;
/* free the Context. This also frees all Sockets, Channels, Routers etc.
* created with that Context */
free_ctx:
lc_ctx_free(lctx);
return rc;
}
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