//
// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
//
// 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 NNG_COMPAT_PAIR_H
#define NNG_COMPAT_PAIR_H

// This header contains interfaces that are intended to offer compatibility
// with nanomsg v1.0.  These are not the "preferred" interfaces for nng,
// and consumers should only use these if they are porting software that
// previously used nanomsg.  New programs should use the nng native APIs.

#ifdef __cplusplus
extern "C" {
#endif

// PAIR sockopt level.
#define NN_PROTO_PAIR 1
#define NN_PAIR (NN_PROTO_PAIR * 16 + 0)

// These are technically "new", and not available in nanomsg, but
// offered here as a transition aid.  If you want to use the advanced
// PAIRv1 options (POLYAMOROUS mode) you still need to use the new API.
#define NN_PAIR_v0 (NN_PROTO_PAIR * 16 + 0)
#define NN_PAIR_V1 (NN_PROTO_PAIR * 16 + 1)

// PAIR has no options.

#ifdef __cplusplus
}
#endif

#endif // NNG_COMPAT_PAIR_H