embox

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/**
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 * @file
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 *
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 * @brief PF_UNIX protocol family socket handler
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 *
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 * @date 31.01.2012
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 * @author Anton Bondarev
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 */
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#include <errno.h>
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#include <sys/socket.h>
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#include <net/sock.h>
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#include "family.h"
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EMBOX_NET_FAMILY(AF_UNIX, unix_create);
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/* Prototypes */
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static const struct family_ops unix_dgram_ops;
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static const struct family_ops unix_stream_ops;
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static const struct family_ops unix_seqpacket_ops;
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static const struct proto unix_proto;
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struct unix_sock {
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	/* sk has to be the first member */
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	struct sock sk;
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};
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static int supported_sock_type(struct socket *sock) {
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	switch (sock->type) {
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	default:
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		return -ESOCKTNOSUPPORT;
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	case SOCK_STREAM:
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		sock->ops = &unix_stream_ops;
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		break;
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	case SOCK_RAW:
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		sock->type = SOCK_DGRAM;
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	case SOCK_DGRAM:
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		sock->ops = &unix_dgram_ops;
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		break;
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	case SOCK_SEQPACKET:
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		sock->ops = &unix_seqpacket_ops;
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		break;
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	}
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	return ENOERR;
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}
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static int unix_create(struct socket *sock, int type, int protocol) {
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	int res;
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	struct sock *sk;
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	res = supported_sock_type(sock);
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	if (res < 0) {
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		return res;
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	}
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	sk = sk_alloc(/*net,*/PF_UNIX, (struct proto *)&unix_proto);
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	if (sk == NULL) {
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		return -ENOMEM;
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	}
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	return ENOERR;
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}
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static const struct family_ops unix_dgram_ops = {
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		.family =	PF_UNIX,
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};
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static const struct family_ops unix_stream_ops = {
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		.family =	PF_UNIX,
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};
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static const struct family_ops unix_seqpacket_ops = {
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		.family =	PF_UNIX,
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};
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static const struct proto unix_proto = {
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		.name = "UNIX",
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		.obj_size = sizeof(struct unix_sock),
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};
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