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//
// Copyright 2025 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
// Copyright 2019 Devolutions <info@devolutions.net>
//
// 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_WINTCP_H
#define PLATFORM_WIN_WINTCP_H
// This header file is private to the TCP support for Windows.
#include "../../core/nng_impl.h"
struct nni_tcp_conn {
nng_stream ops;
SOCKET s;
nni_win_io recv_io;
nni_win_io send_io;
nni_win_io conn_io;
nni_list recv_aios;
nni_list send_aios;
nni_aio *conn_aio;
nng_sockaddr sockname;
nng_sockaddr peername;
nni_tcp_dialer *dialer;
void *listener;
int recv_rv;
int send_rv;
int conn_rv;
bool closed;
char buf[512]; // to hold acceptex results
bool sending;
bool recving;
nni_mtx mtx;
nni_cv cv;
};
extern int nni_win_tcp_init(nni_tcp_conn **, SOCKET);
// Following functions are wrappers around Windows functions that have to be
// looked up by pointer/GUID.
extern int nni_win_acceptex(
SOCKET listen, SOCKET child, void *buf, LPOVERLAPPED olpd);
extern void nni_win_get_acceptex_sockaddrs(
void *buf, SOCKADDR_STORAGE *self, SOCKADDR_STORAGE *peer);
extern int nni_win_connectex(
SOCKET s, SOCKADDR *peer, int peer_len, LPOVERLAPPED olpd);
#endif // NNG_PLATFORM_WIN_WINTCP_H
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