1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * 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 int NET_Timeout(JNIEnv *env, int s, long timeout);
40 int NET_Read(int s, void* buf, size_t len);
41 int NET_RecvFrom(int s, void *buf, int len, unsigned int flags,
42 struct sockaddr *from, socklen_t *fromlen);
43 int NET_ReadV(int s, const struct iovec * vector, int count);
44 int NET_Send(int s, void *msg, int len, unsigned int flags);
45 int NET_SendTo(int s, const void *msg, int len, unsigned int
46 flags, const struct sockaddr *to, int tolen);
47 int NET_Writev(int s, const struct iovec * vector, int count);
48 int NET_Connect(int s, struct sockaddr *addr, int addrlen);
49 int NET_Accept(int s, struct sockaddr *addr, socklen_t *addrlen);
50 int NET_SocketClose(int s);
51 int NET_Dup2(int oldfd, int newfd);
52 #ifdef USE_SELECT
53 extern int NET_Select(int s, fd_set *readfds, fd_set *writefds,
54 fd_set *exceptfds, struct timeval *timeout);
55 #else
56 extern int NET_Poll(struct pollfd *ufds, unsigned int nfds, int timeout);
57 #endif
58
59 int NET_SocketAvailable(int s, jint *pbytes);
60
61 #if defined(__linux__) && defined(AF_INET6)
62 int getDefaultIPv6Interface(struct in6_addr *target_addr);
63 #endif
64
65 #ifdef __solaris__
66 extern int net_getParam(char *driver, char *param);
67 #endif
68
69 /* needed from libsocket on Solaris 8 */
70
71 typedef int (*getaddrinfo_f)(const char *nodename, const char *servname,
72 const struct addrinfo *hints, struct addrinfo **res);
73
74 typedef void (*freeaddrinfo_f)(struct addrinfo *);
75
76 typedef const char * (*gai_strerror_f)(int ecode);
77
78 typedef int (*getnameinfo_f)(const struct sockaddr *, size_t,
79 char *, size_t, char *, size_t, int);
80
81 extern getaddrinfo_f getaddrinfo_ptr;
82 extern freeaddrinfo_f freeaddrinfo_ptr;
83 extern getnameinfo_f getnameinfo_ptr;
84
85 void ThrowUnknownHostExceptionWithGaiError(JNIEnv *env,
86 const char* hostname,
87 int gai_error);
88
89 #define NET_WAIT_READ 0x01
90 #define NET_WAIT_WRITE 0x02
91 #define NET_WAIT_CONNECT 0x04
92
93 extern jint NET_Wait(JNIEnv *env, jint fd, jint flags, jint timeout);
94
95 /************************************************************************
96 * Macros and constants
97 */
98
99 /*
100 * On 64-bit JDKs we use a much larger stack and heap buffer.
101 */
102 #ifdef _LP64
103 #define MAX_BUFFER_LEN 65536
104 #define MAX_HEAP_BUFFER_LEN 131072
105 #else
106 #define MAX_BUFFER_LEN 8192
107 #define MAX_HEAP_BUFFER_LEN 65536
108 #endif
109
110 #ifdef AF_INET6
111
112 #define SOCKADDR union { \
113 struct sockaddr_in him4; \
114 struct sockaddr_in6 him6; \
115 }
116
117 #define SOCKADDR_LEN (ipv6_available() ? sizeof(SOCKADDR) : \
118 sizeof(struct sockaddr_in))
119
120 #else
121
122 #define SOCKADDR union { struct sockaddr_in him4; }
123 #define SOCKADDR_LEN sizeof(SOCKADDR)
124
125 #endif
126
127 /************************************************************************
128 * Utilities
129 */
130 #ifdef __linux__
131 extern int kernelIsV24();
132 #endif
133
134 void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
135 const char *defaultDetail);
136
137
138 #endif /* NET_UTILS_MD_H */
--- EOF ---