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net: sockets: Implement recv() for DGRAM sockets

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Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
This commit is contained in:
Paul Sokolovsky 2017-06-14 19:50:13 +03:00 • committed by Jukka Rissanen
commit 6055b6cd6b
1 changed files with 11 additions and 1 deletions
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12
subsys/net/lib/sockets/sockets.c
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@ -246,7 +246,17 @@ ssize_t zsock_recv(int sock, void *buf, size_t max_len, int flags)
size_t recv_len = 0;
if (sock_type == SOCK_DGRAM) {
__ASSERT(0, "DGRAM is not yet handled");
struct net_pkt *pkt = k_fifo_get(&ctx->recv_q, K_FOREVER);
recv_len = net_pkt_appdatalen(pkt);
if (recv_len > max_len) {
recv_len = max_len;
}
net_frag_linearize(buf, recv_len, pkt, 0, recv_len);
net_pkt_unref(pkt);
} else if (sock_type == SOCK_STREAM) {
return zsock_recv_stream(ctx, buf, max_len);
} else {