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//
// Copyright 2017 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);
#ifndef NDEBUG
#define NNI_ASSERT(x) \
if (!(x)) \
nni_panic("%s: %d: assert err: %s", __FILE__, __LINE__, #x)
#else
#define NNI_ASSERT(x)
#endif
// These types are common but have names shared with user space.
typedef struct nng_msg nni_msg;
typedef struct nng_sockaddr nni_sockaddr;
typedef struct nng_event nni_event;
typedef struct nng_notify nni_notify;
// These are our own names.
typedef struct nni_socket nni_sock;
typedef struct nni_ep nni_ep;
typedef struct nni_pipe nni_pipe;
typedef struct nni_tran nni_tran;
typedef struct nni_tran_ep nni_tran_ep;
typedef struct nni_tran_ep_option nni_tran_ep_option;
typedef struct nni_tran_pipe nni_tran_pipe;
typedef struct nni_tran_pipe_option nni_tran_pipe_option;
typedef struct nni_proto_sock_ops nni_proto_sock_ops;
typedef struct nni_proto_pipe_ops nni_proto_pipe_ops;
typedef struct nni_proto_sock_option nni_proto_sock_option;
typedef struct nni_proto nni_proto;
typedef struct nni_plat_mtx nni_mtx;
typedef struct nni_plat_cv nni_cv;
typedef struct nni_idhash nni_idhash;
typedef struct nni_thr nni_thr;
typedef void (*nni_thr_func)(void *);
typedef int nni_signal; // Wakeup channel.
typedef uint64_t nni_time; // Abs. time (ms).
typedef int32_t nni_duration; // Rel. time (ms).
typedef struct nni_aio nni_aio;
typedef void (*nni_cb)(void *);
// Used by transports for scatter gather I/O.
typedef struct {
void * iov_buf;
size_t iov_len;
} nni_iov;
// Notify descriptor.
typedef struct {
int sn_wfd; // written to in order to flag an event
int sn_rfd; // read from in order to clear an event
int sn_init;
} nni_notifyfd;
// Some default timing things.
#define NNI_TIME_NEVER ((nni_time) -1)
#define NNI_TIME_ZERO ((nni_time) 0)
#define NNI_SECOND (1000)
// Structure allocation conveniences.
#define NNI_ALLOC_STRUCT(s) nni_alloc(sizeof(*s))
#define NNI_FREE_STRUCT(s) nni_free((s), sizeof(*s))
#define NNI_ALLOC_STRUCTS(s, n) nni_alloc(sizeof(*s) * n)
#define NNI_FREE_STRUCTS(s, n) nni_free(s, sizeof(*s) * n)
#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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