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//
// 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 PLATFORM_WIN_IMPL_H
#define PLATFORM_WIN_IMPL_H
#ifdef NNG_PLATFORM_WINDOWS
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
// These headers must be included first.
#include <windows.h>
#include <winsock2.h>
#include <mswsock.h>
#include <process.h>
#include <ws2tcpip.h>
#include "core/list.h"
// These types are provided for here, to permit them to be directly inlined
// elsewhere.
struct nni_plat_thr {
void (*func)(void *);
void * arg;
HANDLE handle;
DWORD id;
};
struct nni_plat_mtx {
SRWLOCK srl;
DWORD owner;
int init;
};
struct nni_plat_cv {
CONDITION_VARIABLE cv;
PSRWLOCK srl;
};
// nni_win_event is used with io completion ports. This allows us to get
// to a specific completion callback without requiring the poller (in the
// completion port) to know anything about the event itself. We also use
// this to pass back status and counts to the routine, which may not be
// conveyed in the OVERLAPPED directly.
typedef struct nni_win_event nni_win_event;
typedef struct nni_win_event_ops nni_win_event_ops;
struct nni_win_event_ops {
int (*wev_start)(nni_win_event *, nni_aio *);
void (*wev_finish)(nni_win_event *, nni_aio *);
void (*wev_cancel)(nni_win_event *);
};
struct nni_win_event {
OVERLAPPED olpd;
void * ptr;
nni_mtx mtx;
nni_cv cv;
unsigned run : 1;
unsigned fini : 1;
unsigned closed : 1;
unsigned count;
int status;
nni_list aios;
nni_aio * active;
nni_win_event_ops ops;
};
struct nni_plat_flock {
HANDLE h;
};
extern int nni_win_error(int);
extern int nni_win_event_init(nni_win_event *, nni_win_event_ops *, void *);
extern void nni_win_event_fini(nni_win_event *);
extern void nni_win_event_submit(nni_win_event *, nni_aio *);
extern void nni_win_event_resubmit(nni_win_event *, nni_aio *);
extern void nni_win_event_close(nni_win_event *);
extern void nni_win_event_complete(nni_win_event *, int);
extern int nni_win_iocp_register(HANDLE);
extern int nni_win_iocp_sysinit(void);
extern void nni_win_iocp_sysfini(void);
extern int nni_win_ipc_sysinit(void);
extern void nni_win_ipc_sysfini(void);
extern int nni_win_tcp_sysinit(void);
extern void nni_win_tcp_sysfini(void);
extern int nni_win_udp_sysinit(void);
extern void nni_win_udp_sysfini(void);
extern int nni_win_resolv_sysinit(void);
extern void nni_win_resolv_sysfini(void);
extern int nni_win_sockaddr2nn(nni_sockaddr *, const SOCKADDR_STORAGE *);
extern int nni_win_nn2sockaddr(SOCKADDR_STORAGE *, const nni_sockaddr *);
#define NNG_PLATFORM_DIR_SEP "\\"
#endif // NNG_PLATFORM_WINDOWS
#endif // PLATFORM_WIN_IMPL_H
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