| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #ifndef NET_UTILS_MD_H |
| #define NET_UTILS_MD_H |
| |
| #include <sys/socket.h> |
| #include <sys/types.h> |
| #include <netdb.h> |
| #include <netinet/in.h> |
| #include <unistd.h> |
| |
| #ifndef USE_SELECT |
| #include <sys/poll.h> |
| #endif |
| |
| |
| /* |
| AIX needs a workaround for I/O cancellation, see: |
| http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.aix.basetechref/doc/basetrf1/close.htm |
| ... |
| The close subroutine is blocked until all subroutines which use the file |
| descriptor return to usr space. For example, when a thread is calling close |
| and another thread is calling select with the same file descriptor, the |
| close subroutine does not return until the select call returns. |
| ... |
| */ |
| #if defined(__linux__) || defined(MACOSX) || defined (_AIX) |
| extern int NET_Timeout(int s, long timeout); |
| extern int NET_Read(int s, void* buf, size_t len); |
| extern int NET_RecvFrom(int s, void *buf, int len, unsigned int flags, |
| struct sockaddr *from, int *fromlen); |
| extern int NET_ReadV(int s, const struct iovec * vector, int count); |
| extern int NET_Send(int s, void *msg, int len, unsigned int flags); |
| extern int NET_SendTo(int s, const void *msg, int len, unsigned int |
| flags, const struct sockaddr *to, int tolen); |
| extern int NET_Writev(int s, const struct iovec * vector, int count); |
| extern int NET_Connect(int s, struct sockaddr *addr, int addrlen); |
| extern int NET_Accept(int s, struct sockaddr *addr, int *addrlen); |
| extern int NET_SocketClose(int s); |
| extern int NET_Dup2(int oldfd, int newfd); |
| |
| #ifdef USE_SELECT |
| extern int NET_Select(int s, fd_set *readfds, fd_set *writefds, |
| fd_set *exceptfds, struct timeval *timeout); |
| #else |
| extern int NET_Poll(struct pollfd *ufds, unsigned int nfds, int timeout); |
| #endif |
| |
| #else |
| |
| #define NET_Timeout JVM_Timeout |
| #define NET_Read JVM_Read |
| #define NET_RecvFrom JVM_RecvFrom |
| #define NET_ReadV readv |
| #define NET_Send JVM_Send |
| #define NET_SendTo JVM_SendTo |
| #define NET_WriteV writev |
| #define NET_Connect JVM_Connect |
| #define NET_Accept JVM_Accept |
| #define NET_SocketClose JVM_SocketClose |
| #define NET_Dup2 dup2 |
| #define NET_Select select |
| #define NET_Poll poll |
| |
| #endif |
| |
| #if defined(__linux__) && defined(AF_INET6) |
| int getDefaultIPv6Interface(struct in6_addr *target_addr); |
| #endif |
| |
| #ifdef __solaris__ |
| extern int net_getParam(char *driver, char *param); |
| |
| #ifndef SO_FLOW_SLA |
| #define SO_FLOW_SLA 0x1018 |
| |
| #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 |
| #pragma pack(4) |
| #endif |
| |
| /* |
| * Used with the setsockopt(SO_FLOW_SLA, ...) call to set |
| * per socket service level properties. |
| * When the application uses per-socket API, we will enforce the properties |
| * on both outbound and inbound packets. |
| * |
| * For now, only priority and maxbw are supported in SOCK_FLOW_PROP_VERSION1. |
| */ |
| typedef struct sock_flow_props_s { |
| int sfp_version; |
| uint32_t sfp_mask; |
| int sfp_priority; /* flow priority */ |
| uint64_t sfp_maxbw; /* bandwidth limit in bps */ |
| int sfp_status; /* flow create status for getsockopt */ |
| } sock_flow_props_t; |
| |
| #define SOCK_FLOW_PROP_VERSION1 1 |
| |
| /* bit mask values for sfp_mask */ |
| #define SFP_MAXBW 0x00000001 /* Flow Bandwidth Limit */ |
| #define SFP_PRIORITY 0x00000008 /* Flow priority */ |
| |
| /* possible values for sfp_priority */ |
| #define SFP_PRIO_NORMAL 1 |
| #define SFP_PRIO_HIGH 2 |
| |
| #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 |
| #pragma pack() |
| #endif /* _LONG_LONG_ALIGNMENT */ |
| |
| #endif /* SO_FLOW_SLA */ |
| #endif /* __solaris__ */ |
| |
| /* needed from libsocket on Solaris 8 */ |
| |
| typedef int (*getaddrinfo_f)(const char *nodename, const char *servname, |
| const struct addrinfo *hints, struct addrinfo **res); |
| |
| typedef void (*freeaddrinfo_f)(struct addrinfo *); |
| |
| typedef const char * (*gai_strerror_f)(int ecode); |
| |
| typedef int (*getnameinfo_f)(const struct sockaddr *, size_t, |
| char *, size_t, char *, size_t, int); |
| |
| extern getaddrinfo_f getaddrinfo_ptr; |
| extern freeaddrinfo_f freeaddrinfo_ptr; |
| extern getnameinfo_f getnameinfo_ptr; |
| |
| void ThrowUnknownHostExceptionWithGaiError(JNIEnv *env, |
| const char* hostname, |
| int gai_error); |
| |
| #define NET_WAIT_READ 0x01 |
| #define NET_WAIT_WRITE 0x02 |
| #define NET_WAIT_CONNECT 0x04 |
| |
| extern jint NET_Wait(JNIEnv *env, jint fd, jint flags, jint timeout); |
| |
| /************************************************************************ |
| * Macros and constants |
| */ |
| |
| /* |
| * On 64-bit JDKs we use a much larger stack and heap buffer. |
| */ |
| #ifdef _LP64 |
| #define MAX_BUFFER_LEN 65536 |
| #define MAX_HEAP_BUFFER_LEN 131072 |
| #else |
| #define MAX_BUFFER_LEN 8192 |
| #define MAX_HEAP_BUFFER_LEN 65536 |
| #endif |
| |
| #ifdef AF_INET6 |
| |
| #define SOCKADDR union { \ |
| struct sockaddr_in him4; \ |
| struct sockaddr_in6 him6; \ |
| } |
| |
| #define SOCKADDR_LEN (ipv6_available() ? sizeof(SOCKADDR) : \ |
| sizeof(struct sockaddr_in)) |
| |
| #else |
| |
| #define SOCKADDR union { struct sockaddr_in him4; } |
| #define SOCKADDR_LEN sizeof(SOCKADDR) |
| |
| #endif |
| |
| /************************************************************************ |
| * Utilities |
| */ |
| #ifdef __linux__ |
| extern int kernelIsV24(); |
| #endif |
| |
| void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name, |
| const char *defaultDetail); |
| |
| |
| #endif /* NET_UTILS_MD_H */ |