/*
 * Copyright 2016 Garrett D'Amore <garrett@damore.org>
 *
 * This software is supplied under the terms of the MIT License, a
 * copy of which should be located in the distribution where this
 * file was obtained (LICENSE.txt).  A copy of the license may also be
 * found online at https://opensource.org/licenses/MIT.
 */

#ifndef CORE_SOCKET_H
#define CORE_SOCKET_H

/*
 * NB: This structure is supplied here for use by the CORE. Use of this library
 * OUSIDE of the core is STRICTLY VERBOTEN.  NO DIRECT ACCESS BY PROTOCOLS OR
 * TRANSPORTS.
 */

struct nng_socket {
	nni_mutex_t		s_mx;

	nni_msgqueue_t		s_uwq;  /* Upper write queue. */
	nni_msgqueue_t		s_urq;  /* Upper read queue. */

	struct nni_protocol	s_ops;

	void *			s_data; /* Protocol private. */

	/* options */

	nni_list_t		s_eps;
	nni_list_t		s_pipes;

	int			s_besteffort;   /* Best effort mode delivery. */
	int			s_senderr;      /* Protocol state machine use. */
};

/*
 * Internally used socket API.  Again, this stuff is not part of our public
 * API.
 */

extern int nni_socket_create(nni_socket_t *, uint16_t);
extern int nni_socket_close(nni_socket_t);
extern int nni_socket_add_pipe(nni_socket_t, nni_pipe_t);
extern void nni_socket_remove_pipe(nni_socket_t, nni_pipe_t);
extern uint16_t nni_socket_protocol(nni_socket_t);
extern int nni_socket_setopt(nni_socket_t, int, const void *, size_t);
extern int nni_socket_getopt(nni_socket_t, int, void *, size_t *);

#endif  /* CORE_SOCKET_H */