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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_DEFS_H
#define CORE_DEFS_H
#include <stdint.h>
// C compilers may get unhappy when named arguments are not used. While
// there are things like __attribute__((unused)) which are arguably
// superior, support for such are not universal.
#define NNI_ARG_UNUSED(x) ((void) x);
// These types are common but have names shared with user space.
typedef struct nng_socket nni_sock;
typedef struct nng_endpoint nni_ep;
typedef struct nng_pipe nni_pipe;
typedef struct nng_msg nni_msg;
typedef struct nng_sockaddr nni_sockaddr;
// These are our own names.
typedef struct nni_tran nni_tran;
typedef struct nni_tran_ep nni_tran_ep;
typedef struct nni_tran_pipe nni_tran_pipe;
typedef struct nni_proto_pipe nni_proto_pipe;
typedef struct nni_proto nni_proto;
typedef int nni_signal; // Turnstile/wakeup channel.
typedef uint64_t nni_time; // Absolute time (usec).
typedef int64_t nni_duration; // Relative time (usec).
// Used by transports for scatter gather I/O.
typedef struct {
void * iov_buf;
size_t iov_len;
} nni_iov;
// Some default timing things.
#define NNI_TIME_NEVER ((nni_time) -1)
#define NNI_TIME_ZERO ((nni_time) 0)
#define NNI_SECOND (1000000)
// Structure allocation conveniences.
#define NNI_ALLOC_STRUCT(s) nni_alloc(sizeof (*s))
#define NNI_FREE_STRUCT(s) nni_free((s), sizeof (*s))
#define NNI_PUT16(ptr, u) \
do { \
(ptr)[0] = (uint8_t) (((uint16_t) (u)) >> 8); \
(ptr)[1] = (uint8_t) ((uint16_t) (u)); \
} \
while (0)
#define NNI_PUT32(ptr, u) \
do { \
(ptr)[0] = (uint8_t) (((uint32_t) (u)) >> 24); \
(ptr)[1] = (uint8_t) (((uint32_t) (u)) >> 16); \
(ptr)[2] = (uint8_t) (((uint32_t) (u)) >> 8); \
(ptr)[3] = (uint8_t) ((uint32_t) (u)); \
} \
while (0)
#define NNI_PUT64(ptr, u) \
do { \
(ptr)[0] = (uint8_t) (((uint64_t) (u)) >> 56); \
(ptr)[1] = (uint8_t) (((uint64_t) (u)) >> 48); \
(ptr)[2] = (uint8_t) (((uint64_t) (u)) >> 40); \
(ptr)[3] = (uint8_t) (((uint64_t) (u)) >> 32); \
(ptr)[4] = (uint8_t) (((uint64_t) (u)) >> 24); \
(ptr)[5] = (uint8_t) (((uint64_t) (u)) >> 16); \
(ptr)[6] = (uint8_t) (((uint64_t) (u)) >> 8); \
(ptr)[7] = (uint8_t) ((uint64_t) (u)); \
} \
while (0)
#define NNI_GET16(ptr, v) \
v = (((uint32_t) ((uint8_t) (ptr)[0])) << 8) + \
(((uint32_t) (uint8_t) (ptr)[1]))
#define NNI_GET32(ptr, v) \
v = (((uint32_t) ((uint8_t) (ptr)[0])) << 24) + \
(((uint32_t) ((uint8_t) (ptr)[1])) << 16) + \
(((uint32_t) ((uint8_t) (ptr)[2])) << 8) + \
(((uint32_t) (uint8_t) (ptr)[3]))
#define NNI_GET64(ptr, v) \
v = (((uint64_t) ((uint8_t) (ptr)[0])) << 56) + \
(((uint64_t) ((uint8_t) (ptr)[1])) << 48) + \
(((uint64_t) ((uint8_t) (ptr)[2])) << 40) + \
(((uint64_t) ((uint8_t) (ptr)[3])) << 32) + \
(((uint64_t) ((uint8_t) (ptr)[4])) << 24) + \
(((uint64_t) ((uint8_t) (ptr)[5])) << 16) + \
(((uint64_t) ((uint8_t) (ptr)[6])) << 8) + \
(((uint64_t) (uint8_t) (ptr)[7]))
// A few assorted other items.
#define NNI_FLAG_IPV4ONLY 1
#endif // CORE_DEFS_H
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