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071bd521bc
Reviewed-by: alanb, bchristi, dcubed, dfuchs, eosterlund, erikj, glaubitz, ihse, iignatyev, jjiang, kbarrett, ksrini, kvn, naoto, prr, rriggs, serb, sspitsyn, stefank, tschatzl, valeriep, weijun, weijun
100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/*
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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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