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/*
 * 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_cond_t		s_cv;

	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

	/* XXX: options */

	nni_list_t		s_eps;
	nni_list_t		s_pipes;

	int			s_closing;	// Socket is closing
	int			s_besteffort;   // Best effort mode delivery
	int			s_senderr;      // Protocol state machine use
};

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_rem_pipe(nni_socket_t, nni_pipe_t);
extern uint16_t nni_socket_proto(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