| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #ifndef NET_UTILS_MD_H |
| 27 | #define NET_UTILS_MD_H |
| 28 | |
| 29 | #include <sys/socket.h> |
| 30 | #include <sys/types.h> |
| 31 | #include <netdb.h> |
| 32 | #include <netinet/in.h> |
| 33 | #include <unistd.h> |
| 34 | |
| 35 | #ifndef USE_SELECT |
| 36 | #include <sys/poll.h> |
| 37 | #endif |
| 38 | |
| 39 | |
| 40 | #ifdef __linux__ |
| 41 | extern int NET_Timeout(int s, long timeout); |
| 42 | extern int NET_Read(int s, void* buf, size_t len); |
| 43 | extern int NET_RecvFrom(int s, void *buf, int len, unsigned int flags, |
| 44 | struct sockaddr *from, int *fromlen); |
| 45 | extern int NET_ReadV(int s, const struct iovec * vector, int count); |
| 46 | extern int NET_Send(int s, void *msg, int len, unsigned int flags); |
| 47 | extern int NET_SendTo(int s, const void *msg, int len, unsigned int |
| 48 | flags, const struct sockaddr *to, int tolen); |
| 49 | extern int NET_Writev(int s, const struct iovec * vector, int count); |
| 50 | extern int NET_Connect(int s, struct sockaddr *addr, int addrlen); |
| 51 | extern int NET_Accept(int s, struct sockaddr *addr, int *addrlen); |
| 52 | extern int NET_SocketClose(int s); |
| 53 | extern int NET_Dup2(int oldfd, int newfd); |
| 54 | |
| 55 | #ifdef USE_SELECT |
| 56 | extern int NET_Select(int s, fd_set *readfds, fd_set *writefds, |
| 57 | fd_set *exceptfds, struct timeval *timeout); |
| 58 | #else |
| 59 | extern int NET_Poll(struct pollfd *ufds, unsigned int nfds, int timeout); |
| 60 | #endif |
| 61 | |
| 62 | #else |
| 63 | |
| 64 | #define NET_Timeout JVM_Timeout |
| 65 | #define NET_Read JVM_Read |
| 66 | #define NET_RecvFrom JVM_RecvFrom |
| 67 | #define NET_ReadV readv |
| 68 | #define NET_Send JVM_Send |
| 69 | #define NET_SendTo JVM_SendTo |
| 70 | #define NET_WriteV writev |
| 71 | #define NET_Connect JVM_Connect |
| 72 | #define NET_Accept JVM_Accept |
| 73 | #define NET_SocketClose JVM_SocketClose |
| 74 | #define NET_Dup2 dup2 |
| 75 | #define NET_Select select |
| 76 | #define NET_Poll poll |
| 77 | |
| 78 | #endif |
| 79 | |
| 80 | #if defined(__linux__) && defined(AF_INET6) |
| 81 | int getDefaultIPv6Interface(struct in6_addr *target_addr); |
| 82 | #endif |
| 83 | |
| 84 | |
| 85 | /* needed from libsocket on Solaris 8 */ |
| 86 | |
| 87 | typedef int (*getaddrinfo_f)(const char *nodename, const char *servname, |
| 88 | const struct addrinfo *hints, struct addrinfo **res); |
| 89 | |
| 90 | typedef void (*freeaddrinfo_f)(struct addrinfo *); |
| 91 | |
| 92 | typedef int (*getnameinfo_f)(const struct sockaddr *, size_t, |
| 93 | char *, size_t, char *, size_t, int); |
| 94 | |
| 95 | extern getaddrinfo_f getaddrinfo_ptr; |
| 96 | extern freeaddrinfo_f freeaddrinfo_ptr; |
| 97 | extern getnameinfo_f getnameinfo_ptr; |
| 98 | |
| 99 | /* do we have address translation support */ |
| 100 | |
| 101 | extern jboolean NET_addrtransAvailable(); |
| 102 | |
| 103 | #define NET_WAIT_READ 0x01 |
| 104 | #define NET_WAIT_WRITE 0x02 |
| 105 | #define NET_WAIT_CONNECT 0x04 |
| 106 | |
| 107 | extern jint NET_Wait(JNIEnv *env, jint fd, jint flags, jint timeout); |
| 108 | |
| 109 | /************************************************************************ |
| 110 | * Macros and constants |
| 111 | */ |
| 112 | |
| 113 | /* |
| 114 | * Its safe to increase the buffer to 8K, this gives a 5-20% |
| 115 | * performance boost on volano and overall socket performance. |
| 116 | */ |
| 117 | #define MAX_BUFFER_LEN 8192 |
| 118 | #define MAX_HEAP_BUFFER_LEN 65536 |
| 119 | |
| 120 | #ifdef AF_INET6 |
| 121 | |
| 122 | #define SOCKADDR union { \ |
| 123 | struct sockaddr_in him4; \ |
| 124 | struct sockaddr_in6 him6; \ |
| 125 | } |
| 126 | |
| 127 | #define SOCKADDR_LEN (ipv6_available() ? sizeof(SOCKADDR) : \ |
| 128 | sizeof(struct sockaddr_in)) |
| 129 | |
| 130 | #else |
| 131 | |
| 132 | #define SOCKADDR union { struct sockaddr_in him4 } |
| 133 | #define SOCKADDR_LEN sizeof(SOCKADDR) |
| 134 | |
| 135 | #endif |
| 136 | |
| 137 | /************************************************************************ |
| 138 | * Utilities |
| 139 | */ |
| 140 | #ifdef __linux__ |
| 141 | extern int kernelIsV22(); |
| 142 | extern int kernelIsV24(); |
| 143 | #endif |
| 144 | |
| 145 | void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name, |
| 146 | const char *defaultDetail); |
| 147 | |
| 148 | |
| 149 | #endif /* NET_UTILS_MD_H */ |