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5c30094f | 1 | /* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2012 Free Software Foundation |
9b5f18b1 MK |
2 | |
3 | This file is part of libgcj. | |
4 | ||
5 | This software is copyrighted work licensed under the terms of the | |
6 | Libgcj License. Please consult the file "LIBGCJ_LICENSE" for | |
7 | details. */ | |
8 | ||
9 | #include <config.h> | |
10 | #include <platform.h> | |
11 | ||
12 | #ifdef HAVE_SYS_IOCTL_H | |
13 | #define BSD_COMP /* Get FIONREAD on Solaris2. */ | |
14 | #include <sys/ioctl.h> | |
15 | #endif | |
16 | ||
17 | // Pick up FIONREAD on Solaris 2.5. | |
18 | #ifdef HAVE_SYS_FILIO_H | |
19 | #include <sys/filio.h> | |
20 | #endif | |
21 | ||
22 | #include <netinet/in.h> | |
23 | #include <netinet/tcp.h> | |
24 | #include <errno.h> | |
25 | #include <string.h> | |
26 | ||
27 | #if HAVE_BSTRING_H | |
28 | // Needed for bzero, implicitly used by FD_ZERO on IRIX 5.2 | |
29 | #include <bstring.h> | |
30 | #endif | |
31 | ||
32 | #include <gcj/cni.h> | |
33 | #include <gcj/javaprims.h> | |
4a503716 | 34 | #include <gnu/java/net/PlainSocketImpl.h> |
9b7fe786 BM |
35 | #include <gnu/java/net/PlainSocketImpl$SocketInputStream.h> |
36 | #include <gnu/java/net/PlainSocketImpl$SocketOutputStream.h> | |
9b5f18b1 MK |
37 | #include <java/io/IOException.h> |
38 | #include <java/io/InterruptedIOException.h> | |
39 | #include <java/net/BindException.h> | |
40 | #include <java/net/ConnectException.h> | |
9b5f18b1 MK |
41 | #include <java/net/InetAddress.h> |
42 | #include <java/net/InetSocketAddress.h> | |
43 | #include <java/net/SocketException.h> | |
44 | #include <java/net/SocketTimeoutException.h> | |
45 | #include <java/lang/InternalError.h> | |
46 | #include <java/lang/Object.h> | |
47 | #include <java/lang/Boolean.h> | |
48 | #include <java/lang/Class.h> | |
49 | #include <java/lang/Integer.h> | |
50 | #include <java/lang/Thread.h> | |
51 | #include <java/lang/NullPointerException.h> | |
52 | #include <java/lang/ArrayIndexOutOfBoundsException.h> | |
53 | #include <java/lang/IllegalArgumentException.h> | |
45c792f5 | 54 | #include <java/net/UnknownHostException.h> |
9b5f18b1 MK |
55 | |
56 | union SockAddr | |
57 | { | |
58 | struct sockaddr_in address; | |
59 | #ifdef HAVE_INET6 | |
60 | struct sockaddr_in6 address6; | |
61 | #endif | |
62 | }; | |
63 | ||
64 | void | |
4a503716 | 65 | gnu::java::net::PlainSocketImpl::create (jboolean stream) |
9b5f18b1 | 66 | { |
c44cc446 TT |
67 | // We might already have been create()d in the nio case. |
68 | if (native_fd != -1) | |
69 | return; | |
70 | ||
9b5f18b1 MK |
71 | int sock = _Jv_socket (AF_INET, stream ? SOCK_STREAM : SOCK_DGRAM, 0); |
72 | ||
73 | if (sock < 0) | |
74 | { | |
75 | char* strerr = strerror (errno); | |
4a503716 | 76 | throw new ::java::io::IOException (JvNewStringUTF (strerr)); |
9b5f18b1 MK |
77 | } |
78 | ||
7c54b003 | 79 | // We use native_fd in place of fd here. From leaving fd null we avoid |
9b5f18b1 | 80 | // the double close problem in FileDescriptor.finalize. |
7c54b003 | 81 | native_fd = sock; |
9b5f18b1 MK |
82 | } |
83 | ||
84 | void | |
4a503716 | 85 | gnu::java::net::PlainSocketImpl::bind (::java::net::InetAddress *host, jint lport) |
9b5f18b1 MK |
86 | { |
87 | union SockAddr u; | |
88 | struct sockaddr *ptr = (struct sockaddr *) &u.address; | |
89 | jbyteArray haddress = host->addr; | |
90 | jbyte *bytes = elements (haddress); | |
91 | int len = haddress->length; | |
92 | int i = 1; | |
93 | ||
105395ad ME |
94 | // The following is needed for OS X/PPC, otherwise bind() fails with an |
95 | // error. I found the issue and following fix on some mailing list, but | |
96 | // no explanation was given as to why this solved the problem. | |
97 | memset (&u, 0, sizeof (u)); | |
98 | ||
9b5f18b1 MK |
99 | if (len == 4) |
100 | { | |
101 | u.address.sin_family = AF_INET; | |
296746bd | 102 | memcpy (&u.address.sin_addr, bytes, len); |
9b5f18b1 MK |
103 | len = sizeof (struct sockaddr_in); |
104 | u.address.sin_port = htons (lport); | |
105 | } | |
106 | #ifdef HAVE_INET6 | |
107 | else if (len == 16) | |
108 | { | |
109 | u.address6.sin6_family = AF_INET6; | |
110 | memcpy (&u.address6.sin6_addr, bytes, len); | |
111 | len = sizeof (struct sockaddr_in6); | |
112 | u.address6.sin6_port = htons (lport); | |
113 | } | |
114 | #endif | |
115 | else | |
4a503716 | 116 | throw new ::java::net::SocketException (JvNewStringUTF ("invalid length")); |
9b5f18b1 MK |
117 | |
118 | // Enable SO_REUSEADDR, so that servers can reuse ports left in TIME_WAIT. | |
7c54b003 | 119 | ::setsockopt(native_fd, SOL_SOCKET, SO_REUSEADDR, (char *) &i, sizeof(i)); |
9b5f18b1 | 120 | |
7c54b003 | 121 | if (_Jv_bind (native_fd, ptr, len) == 0) |
9b5f18b1 | 122 | { |
9b5f18b1 MK |
123 | socklen_t addrlen = sizeof(u); |
124 | ||
125 | if (lport != 0) | |
126 | localport = lport; | |
7c54b003 | 127 | else if (::getsockname (native_fd, (sockaddr*) &u, &addrlen) == 0) |
9b5f18b1 MK |
128 | localport = ntohs (u.address.sin_port); |
129 | else | |
130 | goto error; | |
131 | ||
132 | return; | |
133 | } | |
134 | ||
135 | error: | |
136 | char* strerr = strerror (errno); | |
4a503716 | 137 | throw new ::java::net::BindException (JvNewStringUTF (strerr)); |
9b5f18b1 MK |
138 | } |
139 | ||
140 | void | |
4a503716 | 141 | gnu::java::net::PlainSocketImpl::connect (::java::net::SocketAddress *addr, |
45c792f5 | 142 | jint timeout) |
9b5f18b1 | 143 | { |
4a503716 MK |
144 | ::java::net::InetSocketAddress *tmp = (::java::net::InetSocketAddress*) addr; |
145 | ::java::net::InetAddress *host = tmp->getAddress(); | |
45c792f5 TT |
146 | if (! host) |
147 | throw new ::java::net::UnknownHostException(tmp->toString()); | |
148 | ||
9b5f18b1 MK |
149 | jint rport = tmp->getPort(); |
150 | ||
44fae9ca AG |
151 | // Set the SocketImpl's address and port fields before we try to |
152 | // connect. Note that the fact that these are set doesn't imply | |
153 | // that we're actually connected to anything. We need to record | |
154 | // this data before we attempt the connect, since non-blocking | |
155 | // SocketChannels will use this and almost certainly throw timeout | |
156 | // exceptions. | |
157 | address = host; | |
158 | port = rport; | |
159 | ||
9b5f18b1 MK |
160 | union SockAddr u; |
161 | socklen_t addrlen = sizeof(u); | |
162 | jbyteArray haddress = host->addr; | |
163 | jbyte *bytes = elements (haddress); | |
164 | int len = haddress->length; | |
165 | struct sockaddr *ptr = (struct sockaddr *) &u.address; | |
166 | if (len == 4) | |
167 | { | |
168 | u.address.sin_family = AF_INET; | |
169 | memcpy (&u.address.sin_addr, bytes, len); | |
170 | len = sizeof (struct sockaddr_in); | |
171 | u.address.sin_port = htons (rport); | |
172 | } | |
173 | #ifdef HAVE_INET6 | |
174 | else if (len == 16) | |
175 | { | |
176 | u.address6.sin6_family = AF_INET6; | |
177 | memcpy (&u.address6.sin6_addr, bytes, len); | |
178 | len = sizeof (struct sockaddr_in6); | |
179 | u.address6.sin6_port = htons (rport); | |
180 | } | |
181 | #endif | |
182 | else | |
4a503716 | 183 | throw new ::java::net::SocketException (JvNewStringUTF ("invalid length")); |
9b5f18b1 MK |
184 | |
185 | if (timeout > 0) | |
186 | { | |
7c54b003 MK |
187 | int flags = ::fcntl (native_fd, F_GETFL); |
188 | ::fcntl (native_fd, F_SETFL, flags | O_NONBLOCK); | |
9b5f18b1 | 189 | |
7c54b003 | 190 | if ((_Jv_connect (native_fd, ptr, len) != 0) && (errno != EINPROGRESS)) |
9b5f18b1 MK |
191 | goto error; |
192 | ||
7c6e9255 | 193 | fd_set fset; |
9b5f18b1 | 194 | struct timeval tv; |
7c6e9255 | 195 | FD_ZERO(&fset); |
7c54b003 | 196 | FD_SET(native_fd, &fset); |
9b5f18b1 MK |
197 | tv.tv_sec = timeout / 1000; |
198 | tv.tv_usec = (timeout % 1000) * 1000; | |
199 | int retval; | |
200 | ||
7c54b003 | 201 | if ((retval = _Jv_select (native_fd + 1, &fset, &fset, NULL, &tv)) < 0) |
9b5f18b1 MK |
202 | goto error; |
203 | else if (retval == 0) | |
4a503716 | 204 | throw new ::java::net::SocketTimeoutException |
9b5f18b1 | 205 | (JvNewStringUTF ("Connect timed out")); |
7c6e9255 | 206 | // Set the socket back into a blocking state. |
7c54b003 | 207 | ::fcntl (native_fd, F_SETFL, flags); |
9b5f18b1 MK |
208 | } |
209 | else | |
210 | { | |
7c54b003 | 211 | if (_Jv_connect (native_fd, ptr, len) != 0) |
9b5f18b1 MK |
212 | goto error; |
213 | } | |
214 | ||
9b5f18b1 MK |
215 | // A bind may not have been done on this socket; if so, set localport now. |
216 | if (localport == 0) | |
217 | { | |
7c54b003 | 218 | if (::getsockname (native_fd, (sockaddr*) &u, &addrlen) == 0) |
9b5f18b1 MK |
219 | localport = ntohs (u.address.sin_port); |
220 | else | |
221 | goto error; | |
222 | } | |
223 | ||
224 | return; | |
225 | ||
226 | error: | |
227 | char* strerr = strerror (errno); | |
4a503716 | 228 | throw new ::java::net::ConnectException (JvNewStringUTF (strerr)); |
9b5f18b1 MK |
229 | } |
230 | ||
231 | void | |
4a503716 | 232 | gnu::java::net::PlainSocketImpl::listen (jint backlog) |
9b5f18b1 | 233 | { |
7c54b003 | 234 | if (::listen (native_fd, backlog) != 0) |
9b5f18b1 MK |
235 | { |
236 | char* strerr = strerror (errno); | |
4a503716 | 237 | throw new ::java::io::IOException (JvNewStringUTF (strerr)); |
9b5f18b1 MK |
238 | } |
239 | } | |
240 | ||
5e6ff6bd DD |
241 | static void |
242 | throw_on_sock_closed (gnu::java::net::PlainSocketImpl *soc_impl) | |
243 | { | |
244 | // Avoid races from asynchronous close(). | |
245 | JvSynchronize sync (soc_impl); | |
246 | if (soc_impl->native_fd == -1) | |
247 | { | |
248 | using namespace java::net; | |
249 | // Socket was closed. | |
250 | SocketException *se = | |
251 | new SocketException (JvNewStringUTF ("Socket Closed")); | |
252 | throw se; | |
253 | } | |
254 | } | |
255 | ||
9b5f18b1 | 256 | void |
4a503716 | 257 | gnu::java::net::PlainSocketImpl::accept (gnu::java::net::PlainSocketImpl *s) |
9b5f18b1 MK |
258 | { |
259 | union SockAddr u; | |
260 | socklen_t addrlen = sizeof(u); | |
261 | int new_socket = 0; | |
262 | ||
263 | // Do timeouts via select since SO_RCVTIMEO is not always available. | |
7c54b003 | 264 | if (timeout > 0 && native_fd >= 0 && native_fd < FD_SETSIZE) |
9b5f18b1 | 265 | { |
7c6e9255 | 266 | fd_set fset; |
9b5f18b1 | 267 | struct timeval tv; |
7c6e9255 | 268 | FD_ZERO(&fset); |
7c54b003 | 269 | FD_SET(native_fd, &fset); |
9b5f18b1 MK |
270 | tv.tv_sec = timeout / 1000; |
271 | tv.tv_usec = (timeout % 1000) * 1000; | |
272 | int retval; | |
7c54b003 | 273 | if ((retval = _Jv_select (native_fd + 1, &fset, &fset, NULL, &tv)) < 0) |
9b5f18b1 MK |
274 | goto error; |
275 | else if (retval == 0) | |
4a503716 | 276 | throw new ::java::net::SocketTimeoutException ( |
9b5f18b1 MK |
277 | JvNewStringUTF("Accept timed out")); |
278 | } | |
279 | ||
5c30094f | 280 | new_socket = ::accept (native_fd, (sockaddr*) &u, &addrlen); |
9b5f18b1 MK |
281 | |
282 | if (new_socket < 0) | |
283 | goto error; | |
284 | ||
9b5f18b1 MK |
285 | jbyteArray raddr; |
286 | jint rport; | |
287 | if (u.address.sin_family == AF_INET) | |
288 | { | |
289 | raddr = JvNewByteArray (4); | |
290 | memcpy (elements (raddr), &u.address.sin_addr, 4); | |
291 | rport = ntohs (u.address.sin_port); | |
292 | } | |
293 | #ifdef HAVE_INET6 | |
294 | else if (u.address.sin_family == AF_INET6) | |
295 | { | |
296 | raddr = JvNewByteArray (16); | |
297 | memcpy (elements (raddr), &u.address6.sin6_addr, 16); | |
298 | rport = ntohs (u.address6.sin6_port); | |
299 | } | |
300 | #endif | |
301 | else | |
4a503716 | 302 | throw new ::java::net::SocketException (JvNewStringUTF ("invalid family")); |
9b5f18b1 | 303 | |
7c54b003 | 304 | s->native_fd = new_socket; |
9b5f18b1 | 305 | s->localport = localport; |
aac86978 | 306 | s->address = ::java::net::InetAddress::getByAddress (raddr); |
9b5f18b1 MK |
307 | s->port = rport; |
308 | return; | |
309 | ||
310 | error: | |
311 | char* strerr = strerror (errno); | |
5e6ff6bd | 312 | throw_on_sock_closed (this); |
4a503716 | 313 | throw new ::java::io::IOException (JvNewStringUTF (strerr)); |
9b5f18b1 MK |
314 | } |
315 | ||
316 | // Close(shutdown) the socket. | |
317 | void | |
4a503716 | 318 | gnu::java::net::PlainSocketImpl::close() |
9b5f18b1 MK |
319 | { |
320 | // Avoid races from asynchronous finalization. | |
321 | JvSynchronize sync (this); | |
322 | ||
5e6ff6bd DD |
323 | // Should we use shutdown here? Yes. |
324 | // How would that effect so_linger? Uncertain. | |
325 | ::shutdown (native_fd, 2); | |
326 | // Ignore errors in shutdown as we are closing and all the same | |
327 | // errors are handled in the close. | |
7c54b003 | 328 | int res = _Jv_close (native_fd); |
9b5f18b1 MK |
329 | |
330 | if (res == -1) | |
331 | { | |
332 | // These three errors are not errors according to tests performed | |
333 | // on the reference implementation. | |
334 | if (errno != ENOTCONN && errno != ECONNRESET && errno != EBADF) | |
4a503716 | 335 | throw new ::java::io::IOException (JvNewStringUTF (strerror (errno))); |
9b5f18b1 MK |
336 | } |
337 | // Safe place to reset the file pointer. | |
7c54b003 | 338 | native_fd = -1; |
9b5f18b1 MK |
339 | timeout = 0; |
340 | } | |
341 | ||
aa18fb30 MK |
342 | static void |
343 | write_helper (jint native_fd, jbyte *bytes, jint len); | |
344 | ||
9b5f18b1 MK |
345 | // Write a byte to the socket. |
346 | void | |
9b7fe786 | 347 | gnu::java::net::PlainSocketImpl$SocketOutputStream::write(jint b) |
9b5f18b1 | 348 | { |
aa18fb30 MK |
349 | jbyte data = (jbyte) b; |
350 | write_helper (this$0->native_fd, &data, 1); | |
9b5f18b1 MK |
351 | } |
352 | ||
353 | // Write some bytes to the socket. | |
354 | void | |
9b7fe786 | 355 | gnu::java::net::PlainSocketImpl$SocketOutputStream::write(jbyteArray b, jint offset, jint len) |
9b5f18b1 MK |
356 | { |
357 | if (! b) | |
4a503716 | 358 | throw new ::java::lang::NullPointerException; |
9b5f18b1 | 359 | if (offset < 0 || len < 0 || offset + len > JvGetArrayLength (b)) |
4a503716 | 360 | throw new ::java::lang::ArrayIndexOutOfBoundsException; |
9b5f18b1 | 361 | |
40b86e5f | 362 | write_helper (this$0->native_fd, elements (b) + offset, len); |
aa18fb30 MK |
363 | } |
364 | ||
365 | static void | |
366 | write_helper(jint native_fd, jbyte *bytes, jint len) | |
367 | { | |
9b5f18b1 MK |
368 | int written = 0; |
369 | ||
370 | while (len > 0) | |
371 | { | |
aa18fb30 | 372 | int r = _Jv_write (native_fd, bytes, len); |
9b5f18b1 MK |
373 | |
374 | if (r == -1) | |
375 | { | |
4a503716 | 376 | if (::java::lang::Thread::interrupted()) |
9b5f18b1 | 377 | { |
4a503716 MK |
378 | ::java::io::InterruptedIOException *iioe |
379 | = new ::java::io::InterruptedIOException | |
9b5f18b1 MK |
380 | (JvNewStringLatin1 (strerror (errno))); |
381 | iioe->bytesTransferred = written; | |
382 | throw iioe; | |
383 | } | |
384 | // Some errors should not cause exceptions. | |
385 | if (errno != ENOTCONN && errno != ECONNRESET && errno != EBADF) | |
4a503716 | 386 | throw new ::java::io::IOException (JvNewStringUTF (strerror (errno))); |
9b5f18b1 MK |
387 | break; |
388 | } | |
389 | ||
390 | written += r; | |
391 | len -= r; | |
392 | bytes += r; | |
393 | } | |
394 | } | |
395 | ||
396 | void | |
4a503716 | 397 | gnu::java::net::PlainSocketImpl::sendUrgentData (jint) |
9b5f18b1 | 398 | { |
4a503716 | 399 | throw new ::java::net::SocketException (JvNewStringLatin1 ( |
9b5f18b1 MK |
400 | "PlainSocketImpl: sending of urgent data not supported by this socket")); |
401 | } | |
402 | ||
aa18fb30 | 403 | static jint |
5e6ff6bd DD |
404 | read_helper (gnu::java::net::PlainSocketImpl *soc_impl, |
405 | jbyte *bytes, jint count); | |
aa18fb30 | 406 | |
9b5f18b1 MK |
407 | // Read a single byte from the socket. |
408 | jint | |
9b7fe786 | 409 | gnu::java::net::PlainSocketImpl$SocketInputStream::read(void) |
9b5f18b1 | 410 | { |
aa18fb30 | 411 | jbyte data; |
9b5f18b1 | 412 | |
5e6ff6bd | 413 | if (read_helper (this$0, &data, 1) == 1) |
8f0b9daa | 414 | return data & 0xFF; |
9b5f18b1 | 415 | |
aa18fb30 | 416 | return -1; |
9b5f18b1 MK |
417 | } |
418 | ||
419 | // Read count bytes into the buffer, starting at offset. | |
420 | jint | |
5e6ff6bd DD |
421 | gnu::java::net::PlainSocketImpl$SocketInputStream::read(jbyteArray buffer, |
422 | jint offset, | |
423 | jint count) | |
9b5f18b1 | 424 | { |
aa18fb30 | 425 | if (! buffer) |
4a503716 | 426 | throw new ::java::lang::NullPointerException; |
9b5f18b1 MK |
427 | |
428 | jsize bsize = JvGetArrayLength (buffer); | |
429 | ||
430 | if (offset < 0 || count < 0 || offset + count > bsize) | |
4a503716 | 431 | throw new ::java::lang::ArrayIndexOutOfBoundsException; |
9b5f18b1 | 432 | |
40b86e5f | 433 | return read_helper (this$0, elements (buffer) + offset, count); |
aa18fb30 | 434 | } |
9b5f18b1 | 435 | |
aa18fb30 | 436 | static jint |
5e6ff6bd DD |
437 | read_helper (gnu::java::net::PlainSocketImpl *soc_impl, |
438 | jbyte *bytes, jint count) | |
aa18fb30 | 439 | { |
6dcd18b9 DD |
440 | // If zero bytes were requested, short circuit so that recv |
441 | // doesn't signal EOF. | |
442 | if (count == 0) | |
443 | return 0; | |
444 | ||
9b5f18b1 | 445 | // Do timeouts via select. |
5e6ff6bd DD |
446 | if (soc_impl->timeout > 0 |
447 | && soc_impl->native_fd >= 0 | |
448 | && soc_impl->native_fd < FD_SETSIZE) | |
9b5f18b1 MK |
449 | { |
450 | // Create the file descriptor set. | |
451 | fd_set read_fds; | |
452 | FD_ZERO (&read_fds); | |
5e6ff6bd | 453 | FD_SET (soc_impl->native_fd, &read_fds); |
9b5f18b1 MK |
454 | // Create the timeout struct based on our internal timeout value. |
455 | struct timeval timeout_value; | |
5e6ff6bd DD |
456 | timeout_value.tv_sec = soc_impl->timeout / 1000; |
457 | timeout_value.tv_usec =(soc_impl->timeout % 1000) * 1000; | |
9b5f18b1 MK |
458 | // Select on the fds. |
459 | int sel_retval = | |
5e6ff6bd DD |
460 | _Jv_select (soc_impl->native_fd + 1, |
461 | &read_fds, NULL, NULL, &timeout_value); | |
9b5f18b1 MK |
462 | // We're only interested in the 0 return. |
463 | // error returns still require us to try to read | |
464 | // the socket to see what happened. | |
465 | if (sel_retval == 0) | |
466 | { | |
4a503716 MK |
467 | ::java::net::SocketTimeoutException *timeoutException = |
468 | new ::java::net::SocketTimeoutException | |
027e655b | 469 | (JvNewStringUTF ("Read timed out")); |
4a503716 | 470 | throw timeoutException; |
9b5f18b1 MK |
471 | } |
472 | } | |
473 | ||
474 | // Read the socket. | |
5e6ff6bd | 475 | int r = ::recv (soc_impl->native_fd, (char *) bytes, count, 0); |
9b5f18b1 MK |
476 | |
477 | if (r == 0) | |
5e6ff6bd DD |
478 | { |
479 | throw_on_sock_closed (soc_impl); | |
480 | return -1; | |
481 | } | |
9b5f18b1 | 482 | |
4a503716 | 483 | if (::java::lang::Thread::interrupted()) |
9b5f18b1 | 484 | { |
4a503716 MK |
485 | ::java::io::InterruptedIOException *iioe = |
486 | new ::java::io::InterruptedIOException | |
027e655b | 487 | (JvNewStringUTF ("Read interrupted")); |
9b5f18b1 MK |
488 | iioe->bytesTransferred = r == -1 ? 0 : r; |
489 | throw iioe; | |
490 | } | |
491 | else if (r == -1) | |
492 | { | |
5e6ff6bd | 493 | throw_on_sock_closed (soc_impl); |
9b5f18b1 MK |
494 | // Some errors cause us to return end of stream... |
495 | if (errno == ENOTCONN) | |
496 | return -1; | |
497 | ||
498 | // Other errors need to be signalled. | |
4a503716 | 499 | throw new ::java::io::IOException (JvNewStringUTF (strerror (errno))); |
9b5f18b1 MK |
500 | } |
501 | ||
502 | return r; | |
503 | } | |
504 | ||
505 | // How many bytes are available? | |
506 | jint | |
4a503716 | 507 | gnu::java::net::PlainSocketImpl::available(void) |
9b5f18b1 MK |
508 | { |
509 | #if defined(FIONREAD) || defined(HAVE_SELECT) | |
969def55 | 510 | int num = 0; |
9b5f18b1 MK |
511 | int r = 0; |
512 | bool num_set = false; | |
513 | ||
514 | #if defined(FIONREAD) | |
7c54b003 | 515 | r = ::ioctl (native_fd, FIONREAD, &num); |
9b5f18b1 MK |
516 | |
517 | if (r == -1 && errno == ENOTTY) | |
518 | { | |
519 | // If the ioctl doesn't work, we don't care. | |
520 | r = 0; | |
521 | num = 0; | |
522 | } | |
523 | else | |
524 | num_set = true; | |
525 | #elif defined(HAVE_SELECT) | |
7c54b003 | 526 | if (native_fd < 0) |
9b5f18b1 MK |
527 | { |
528 | errno = EBADF; | |
529 | r = -1; | |
530 | } | |
531 | #endif | |
532 | ||
533 | if (r == -1) | |
534 | { | |
535 | posix_error: | |
4a503716 | 536 | throw new ::java::io::IOException(JvNewStringUTF(strerror(errno))); |
9b5f18b1 MK |
537 | } |
538 | ||
539 | // If we didn't get anything we can use select. | |
540 | ||
541 | #if defined(HAVE_SELECT) | |
542 | if (! num_set) | |
7c54b003 | 543 | if (! num_set && native_fd >= 0 && native_fd < FD_SETSIZE) |
9b5f18b1 MK |
544 | { |
545 | fd_set rd; | |
546 | FD_ZERO (&rd); | |
7c54b003 | 547 | FD_SET (native_fd, &rd); |
9b5f18b1 MK |
548 | struct timeval tv; |
549 | tv.tv_sec = 0; | |
550 | tv.tv_usec = 0; | |
7c54b003 | 551 | r = _Jv_select (native_fd + 1, &rd, NULL, NULL, &tv); |
9b5f18b1 MK |
552 | if(r == -1) |
553 | goto posix_error; | |
554 | num = r == 0 ? 0 : 1; | |
555 | } | |
556 | #endif /* HAVE_SELECT */ | |
557 | ||
558 | return (jint) num; | |
559 | #else | |
4a503716 | 560 | throw new ::java::io::IOException (JvNewStringUTF ("unimplemented")); |
9b5f18b1 MK |
561 | #endif |
562 | } | |
563 | ||
564 | void | |
4a503716 | 565 | gnu::java::net::PlainSocketImpl::setOption (jint optID, ::java::lang::Object *value) |
9b5f18b1 MK |
566 | { |
567 | int val; | |
568 | socklen_t val_len = sizeof (val); | |
569 | ||
7c54b003 | 570 | if (native_fd < 0) |
4a503716 | 571 | throw new ::java::net::SocketException (JvNewStringUTF ("Socket closed")); |
9b5f18b1 | 572 | |
4a503716 | 573 | if (_Jv_IsInstanceOf (value, &::java::lang::Boolean::class$)) |
9b5f18b1 | 574 | { |
4a503716 MK |
575 | ::java::lang::Boolean *boolobj = |
576 | static_cast< ::java::lang::Boolean *> (value); | |
9b5f18b1 MK |
577 | if (boolobj->booleanValue()) |
578 | val = 1; | |
579 | else | |
580 | { | |
581 | if (optID == _Jv_SO_LINGER_) | |
582 | val = -1; | |
583 | else | |
584 | val = 0; | |
585 | } | |
586 | } | |
4a503716 | 587 | else if (_Jv_IsInstanceOf (value, &::java::lang::Integer::class$)) |
9b5f18b1 | 588 | { |
4a503716 MK |
589 | ::java::lang::Integer *intobj = |
590 | static_cast< ::java::lang::Integer *> (value); | |
9b5f18b1 MK |
591 | val = (int) intobj->intValue(); |
592 | } | |
593 | else | |
594 | { | |
4a503716 | 595 | throw new ::java::lang::IllegalArgumentException ( |
9b5f18b1 MK |
596 | JvNewStringLatin1 ("`value' must be Boolean or Integer")); |
597 | } | |
598 | ||
599 | switch (optID) | |
600 | { | |
601 | case _Jv_TCP_NODELAY_ : | |
602 | #ifdef TCP_NODELAY | |
7c54b003 | 603 | if (::setsockopt (native_fd, IPPROTO_TCP, TCP_NODELAY, (char *) &val, |
9b5f18b1 MK |
604 | val_len) != 0) |
605 | goto error; | |
606 | #else | |
4a503716 | 607 | throw new ::java::lang::InternalError |
9b5f18b1 MK |
608 | (JvNewStringUTF ("TCP_NODELAY not supported")); |
609 | #endif /* TCP_NODELAY */ | |
610 | return; | |
611 | ||
612 | case _Jv_SO_KEEPALIVE_ : | |
7c54b003 | 613 | if (::setsockopt (native_fd, SOL_SOCKET, SO_KEEPALIVE, (char *) &val, |
9b5f18b1 MK |
614 | val_len) != 0) |
615 | goto error; | |
1d749ee0 | 616 | return; |
9b5f18b1 MK |
617 | |
618 | case _Jv_SO_BROADCAST_ : | |
4a503716 | 619 | throw new ::java::net::SocketException |
9b5f18b1 | 620 | (JvNewStringUTF ("SO_BROADCAST not valid for TCP")); |
1d749ee0 | 621 | return; |
9b5f18b1 MK |
622 | |
623 | case _Jv_SO_OOBINLINE_ : | |
7c54b003 | 624 | if (::setsockopt (native_fd, SOL_SOCKET, SO_OOBINLINE, (char *) &val, |
9b5f18b1 MK |
625 | val_len) != 0) |
626 | goto error; | |
1d749ee0 | 627 | return; |
9b5f18b1 MK |
628 | |
629 | case _Jv_SO_LINGER_ : | |
630 | #ifdef SO_LINGER | |
631 | struct linger l_val; | |
632 | l_val.l_onoff = (val != -1); | |
633 | l_val.l_linger = val; | |
634 | ||
7c54b003 | 635 | if (::setsockopt (native_fd, SOL_SOCKET, SO_LINGER, (char *) &l_val, |
9b5f18b1 MK |
636 | sizeof(l_val)) != 0) |
637 | goto error; | |
638 | #else | |
4a503716 | 639 | throw new ::java::lang::InternalError ( |
9b5f18b1 MK |
640 | JvNewStringUTF ("SO_LINGER not supported")); |
641 | #endif /* SO_LINGER */ | |
642 | return; | |
643 | ||
644 | case _Jv_SO_SNDBUF_ : | |
645 | case _Jv_SO_RCVBUF_ : | |
646 | #if defined(SO_SNDBUF) && defined(SO_RCVBUF) | |
647 | int opt; | |
648 | optID == _Jv_SO_SNDBUF_ ? opt = SO_SNDBUF : opt = SO_RCVBUF; | |
7c54b003 | 649 | if (::setsockopt (native_fd, SOL_SOCKET, opt, (char *) &val, val_len) != 0) |
9b5f18b1 MK |
650 | goto error; |
651 | #else | |
4a503716 | 652 | throw new ::java::lang::InternalError ( |
9b5f18b1 MK |
653 | JvNewStringUTF ("SO_RCVBUF/SO_SNDBUF not supported")); |
654 | #endif | |
655 | return; | |
656 | ||
657 | case _Jv_SO_BINDADDR_ : | |
4a503716 | 658 | throw new ::java::net::SocketException ( |
9b5f18b1 MK |
659 | JvNewStringUTF ("SO_BINDADDR: read only option")); |
660 | return; | |
661 | ||
662 | case _Jv_IP_MULTICAST_IF_ : | |
4a503716 | 663 | throw new ::java::net::SocketException ( |
9b5f18b1 MK |
664 | JvNewStringUTF ("IP_MULTICAST_IF: not valid for TCP")); |
665 | return; | |
666 | ||
667 | case _Jv_IP_MULTICAST_IF2_ : | |
4a503716 | 668 | throw new ::java::net::SocketException ( |
9b5f18b1 | 669 | JvNewStringUTF ("IP_MULTICAST_IF2: not valid for TCP")); |
1d749ee0 | 670 | return; |
9b5f18b1 MK |
671 | |
672 | case _Jv_IP_MULTICAST_LOOP_ : | |
4a503716 | 673 | throw new ::java::net::SocketException ( |
9b5f18b1 | 674 | JvNewStringUTF ("IP_MULTICAST_LOOP: not valid for TCP")); |
1d749ee0 | 675 | return; |
9b5f18b1 MK |
676 | |
677 | case _Jv_IP_TOS_ : | |
7c54b003 | 678 | if (::setsockopt (native_fd, SOL_SOCKET, IP_TOS, (char *) &val, |
9b5f18b1 MK |
679 | val_len) != 0) |
680 | goto error; | |
1d749ee0 | 681 | return; |
9b5f18b1 MK |
682 | |
683 | case _Jv_SO_REUSEADDR_ : | |
61d2e0eb AG |
684 | #if defined(SO_REUSEADDR) |
685 | if (::setsockopt (native_fd, SOL_SOCKET, SO_REUSEADDR, (char *) &val, | |
686 | val_len) != 0) | |
687 | goto error; | |
c8891bef | 688 | return; |
61d2e0eb AG |
689 | #else |
690 | throw new ::java::lang::InternalError ( | |
691 | JvNewStringUTF ("SO_REUSEADDR not supported")); | |
692 | #endif | |
9b5f18b1 MK |
693 | |
694 | case _Jv_SO_TIMEOUT_ : | |
695 | timeout = val; | |
696 | return; | |
697 | ||
698 | default : | |
699 | errno = ENOPROTOOPT; | |
700 | } | |
701 | ||
702 | error: | |
703 | char* strerr = strerror (errno); | |
4a503716 | 704 | throw new ::java::net::SocketException (JvNewStringUTF (strerr)); |
9b5f18b1 MK |
705 | } |
706 | ||
4a503716 MK |
707 | ::java::lang::Object * |
708 | gnu::java::net::PlainSocketImpl::getOption (jint optID) | |
9b5f18b1 MK |
709 | { |
710 | int val; | |
711 | socklen_t val_len = sizeof(val); | |
712 | union SockAddr u; | |
713 | socklen_t addrlen = sizeof(u); | |
714 | struct linger l_val; | |
715 | socklen_t l_val_len = sizeof(l_val); | |
716 | ||
717 | switch (optID) | |
718 | { | |
719 | #ifdef TCP_NODELAY | |
720 | case _Jv_TCP_NODELAY_ : | |
7c54b003 | 721 | if (::getsockopt (native_fd, IPPROTO_TCP, TCP_NODELAY, (char *) &val, |
9b5f18b1 MK |
722 | &val_len) != 0) |
723 | goto error; | |
724 | else | |
4a503716 | 725 | return new ::java::lang::Boolean (val != 0); |
9b5f18b1 | 726 | #else |
4a503716 | 727 | throw new ::java::lang::InternalError |
9b5f18b1 MK |
728 | (JvNewStringUTF ("TCP_NODELAY not supported")); |
729 | #endif | |
730 | break; | |
731 | ||
732 | case _Jv_SO_LINGER_ : | |
733 | #ifdef SO_LINGER | |
7c54b003 | 734 | if (::getsockopt (native_fd, SOL_SOCKET, SO_LINGER, (char *) &l_val, |
9b5f18b1 MK |
735 | &l_val_len) != 0) |
736 | goto error; | |
737 | ||
738 | if (l_val.l_onoff) | |
4a503716 | 739 | return new ::java::lang::Integer (l_val.l_linger); |
9b5f18b1 | 740 | else |
4a503716 | 741 | return new ::java::lang::Boolean ((jboolean)false); |
9b5f18b1 | 742 | #else |
4a503716 | 743 | throw new ::java::lang::InternalError |
9b5f18b1 MK |
744 | (JvNewStringUTF ("SO_LINGER not supported")); |
745 | #endif | |
746 | break; | |
747 | ||
748 | case _Jv_SO_KEEPALIVE_ : | |
7c54b003 | 749 | if (::getsockopt (native_fd, SOL_SOCKET, SO_KEEPALIVE, (char *) &val, |
9b5f18b1 MK |
750 | &val_len) != 0) |
751 | goto error; | |
752 | else | |
4a503716 | 753 | return new ::java::lang::Boolean (val != 0); |
9b5f18b1 MK |
754 | |
755 | case _Jv_SO_BROADCAST_ : | |
7c54b003 | 756 | if (::getsockopt (native_fd, SOL_SOCKET, SO_BROADCAST, (char *) &val, |
9b5f18b1 MK |
757 | &val_len) != 0) |
758 | goto error; | |
4a503716 | 759 | return new ::java::lang::Boolean ((jboolean)val); |
9b5f18b1 MK |
760 | |
761 | case _Jv_SO_OOBINLINE_ : | |
7c54b003 | 762 | if (::getsockopt (native_fd, SOL_SOCKET, SO_OOBINLINE, (char *) &val, |
9b5f18b1 MK |
763 | &val_len) != 0) |
764 | goto error; | |
4a503716 | 765 | return new ::java::lang::Boolean ((jboolean)val); |
9b5f18b1 MK |
766 | |
767 | case _Jv_SO_RCVBUF_ : | |
768 | case _Jv_SO_SNDBUF_ : | |
769 | #if defined(SO_SNDBUF) && defined(SO_RCVBUF) | |
770 | int opt; | |
771 | optID == _Jv_SO_SNDBUF_ ? opt = SO_SNDBUF : opt = SO_RCVBUF; | |
7c54b003 | 772 | if (::getsockopt (native_fd, SOL_SOCKET, opt, (char *) &val, &val_len) != 0) |
9b5f18b1 MK |
773 | goto error; |
774 | else | |
4a503716 | 775 | return new ::java::lang::Integer (val); |
9b5f18b1 | 776 | #else |
4a503716 | 777 | throw new ::java::lang::InternalError |
9b5f18b1 MK |
778 | (JvNewStringUTF ("SO_RCVBUF/SO_SNDBUF not supported")); |
779 | #endif | |
780 | break; | |
781 | case _Jv_SO_BINDADDR_: | |
782 | // cache the local address | |
783 | if (localAddress == NULL) | |
784 | { | |
785 | jbyteArray laddr; | |
786 | ||
7c54b003 | 787 | if (::getsockname (native_fd, (sockaddr*) &u, &addrlen) != 0) |
9b5f18b1 MK |
788 | goto error; |
789 | ||
790 | if (u.address.sin_family == AF_INET) | |
791 | { | |
792 | laddr = JvNewByteArray (4); | |
793 | memcpy (elements (laddr), &u.address.sin_addr, 4); | |
794 | } | |
795 | #ifdef HAVE_INET6 | |
796 | else if (u.address.sin_family == AF_INET6) | |
797 | { | |
798 | laddr = JvNewByteArray (16); | |
799 | memcpy (elements (laddr), &u.address6.sin6_addr, 16); | |
800 | } | |
801 | #endif | |
802 | else | |
4a503716 | 803 | throw new ::java::net::SocketException |
9b5f18b1 | 804 | (JvNewStringUTF ("invalid family")); |
aac86978 | 805 | localAddress = ::java::net::InetAddress::getByAddress (laddr); |
9b5f18b1 MK |
806 | } |
807 | ||
808 | return localAddress; | |
809 | break; | |
810 | case _Jv_IP_MULTICAST_IF_ : | |
4a503716 | 811 | throw new ::java::net::SocketException |
9b5f18b1 MK |
812 | (JvNewStringUTF ("IP_MULTICAST_IF: not valid for TCP")); |
813 | break; | |
814 | ||
815 | case _Jv_IP_MULTICAST_IF2_ : | |
4a503716 | 816 | throw new ::java::net::SocketException |
9b5f18b1 MK |
817 | (JvNewStringUTF ("IP_MULTICAST_IF2: not valid for TCP")); |
818 | break; | |
819 | ||
820 | case _Jv_IP_MULTICAST_LOOP_ : | |
4a503716 | 821 | throw new ::java::net::SocketException |
9b5f18b1 MK |
822 | (JvNewStringUTF ("IP_MULTICAST_LOOP: not valid for TCP")); |
823 | break; | |
824 | ||
825 | case _Jv_IP_TOS_ : | |
7c54b003 | 826 | if (::getsockopt (native_fd, SOL_SOCKET, IP_TOS, (char *) &val, |
9b5f18b1 MK |
827 | &val_len) != 0) |
828 | goto error; | |
4a503716 | 829 | return new ::java::lang::Integer (val); |
9b5f18b1 MK |
830 | break; |
831 | ||
832 | case _Jv_SO_REUSEADDR_ : | |
61d2e0eb AG |
833 | #if defined(SO_REUSEADDR) |
834 | if (::getsockopt (native_fd, SOL_SOCKET, SO_REUSEADDR, (char *) &val, | |
835 | &val_len) != 0) | |
836 | goto error; | |
837 | #else | |
838 | throw new ::java::lang::InternalError ( | |
839 | JvNewStringUTF ("SO_REUSEADDR not supported")); | |
840 | #endif | |
9b5f18b1 MK |
841 | break; |
842 | ||
843 | case _Jv_SO_TIMEOUT_ : | |
4a503716 | 844 | return new ::java::lang::Integer (timeout); |
9b5f18b1 MK |
845 | break; |
846 | ||
847 | default : | |
848 | errno = ENOPROTOOPT; | |
849 | } | |
850 | ||
851 | error: | |
852 | char* strerr = strerror (errno); | |
4a503716 | 853 | throw new ::java::net::SocketException (JvNewStringUTF (strerr)); |
9b5f18b1 MK |
854 | } |
855 | ||
856 | void | |
4a503716 | 857 | gnu::java::net::PlainSocketImpl::shutdownInput (void) |
9b5f18b1 | 858 | { |
7c54b003 | 859 | if (::shutdown (native_fd, 0)) |
4a503716 | 860 | throw new ::java::net::SocketException (JvNewStringUTF (strerror (errno))); |
9b5f18b1 MK |
861 | } |
862 | ||
863 | void | |
4a503716 | 864 | gnu::java::net::PlainSocketImpl::shutdownOutput (void) |
9b5f18b1 | 865 | { |
7c54b003 | 866 | if (::shutdown (native_fd, 1)) |
4a503716 | 867 | throw new ::java::net::SocketException (JvNewStringUTF (strerror (errno))); |
9b5f18b1 | 868 | } |