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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/jdk17u
 Path: blob/master/src/java.base/unix/native/libnet/net_util_md.h
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/*

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 * Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved.

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * This code is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License version 2 only, as

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 * published by the Free Software Foundation.  Oracle designates this

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 * particular file as subject to the "Classpath" exception as provided

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 * by Oracle in the LICENSE file that accompanied this code.

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 *

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 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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 * version 2 for more details (a copy is included in the LICENSE file that

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 * accompanied this code).

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 *

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 * You should have received a copy of the GNU General Public License version

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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 *

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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * or visit www.oracle.com if you need additional information or have any

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 * questions.

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 */

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#ifndef NET_UTILS_MD_H

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#define NET_UTILS_MD_H

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#include <netdb.h>

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#include <poll.h>

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#include <sys/socket.h>

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/************************************************************************

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 * Macros and constants

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 */

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#define NET_NSEC_PER_MSEC 1000000

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#define NET_NSEC_PER_SEC  1000000000

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#define NET_NSEC_PER_USEC 1000

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/* in case NI_MAXHOST is not defined in netdb.h */

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#ifndef NI_MAXHOST

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#define NI_MAXHOST 1025

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#endif

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/* Defines SO_REUSEPORT */

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#ifndef SO_REUSEPORT

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#ifdef __linux__

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#define SO_REUSEPORT 15

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#elif defined(AIX) || defined(MACOSX)

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#define SO_REUSEPORT 0x0200

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#else

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#define SO_REUSEPORT 0

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#endif

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#endif

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/*

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 * On 64-bit JDKs we use a much larger stack and heap buffer.

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 */

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#ifdef _LP64

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#define MAX_BUFFER_LEN 65536

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#define MAX_HEAP_BUFFER_LEN 131072

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#else

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#define MAX_BUFFER_LEN 8192

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#define MAX_HEAP_BUFFER_LEN 65536

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#endif

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typedef union {

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    struct sockaddr     sa;

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    struct sockaddr_in  sa4;

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    struct sockaddr_in6 sa6;

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} SOCKETADDRESS;

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/************************************************************************

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 * Functions

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 */

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int NET_Timeout(JNIEnv *env, int s, long timeout, jlong  nanoTimeStamp);

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int NET_Read(int s, void* buf, size_t len);

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int NET_NonBlockingRead(int s, void* buf, size_t len);

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int NET_RecvFrom(int s, void *buf, int len, unsigned int flags,

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                 struct sockaddr *from, socklen_t *fromlen);

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int NET_Send(int s, void *msg, int len, unsigned int flags);

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int NET_SendTo(int s, const void *msg, int len,  unsigned  int

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               flags, const struct sockaddr *to, int tolen);

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int NET_Connect(int s, struct sockaddr *addr, int addrlen);

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int NET_Accept(int s, struct sockaddr *addr, socklen_t *addrlen);

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int NET_SocketClose(int s);

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int NET_Dup2(int oldfd, int newfd);

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int NET_Poll(struct pollfd *ufds, unsigned int nfds, int timeout);

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void NET_ThrowUnknownHostExceptionWithGaiError(JNIEnv *env,

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                                               const char* hostname,

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                                               int gai_error);

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void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,

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                                  const char *defaultDetail);

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void NET_SetTrafficClass(SOCKETADDRESS *sa, int trafficClass);

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#endif /* NET_UTILS_MD_H */

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