1 /*
2 * Copyright (c) 2007, 2015, 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
458
459 (*env)->GetByteArrayRegion(env, data, offset, length,
460 (jbyte *)fullPacket);
461 rv = sendto(fd, fullPacket, length, 0, (struct sockaddr *)sap, sa_len);
462 if (rv == SOCKET_ERROR) {
463 if (rv == -1) {
464 NET_ThrowNew(env, WSAGetLastError(), "Datagram send failed");
465 }
466 }
467
468 if (length > MAX_BUFFER_LEN) {
469 free(fullPacket);
470 }
471 }
472
473 /*
474 * Class: java_net_DualStackPlainDatagramSocketImpl
475 * Method: socketSetIntOption
476 * Signature: (III)V
477 */
478 JNIEXPORT void JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketSetIntOption
479 (JNIEnv *env, jclass clazz, jint fd , jint cmd, jint value) {
480 int level = 0, opt = 0;
481
482 if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
483 JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
484 "Invalid option");
485 return;
486 }
487
488 if (NET_SetSockOpt(fd, level, opt, (char *)&value, sizeof(value)) < 0) {
489 NET_ThrowNew(env, WSAGetLastError(), "setsockopt");
490 }
491 }
492
493 /*
494 * Class: java_net_DualStackPlainDatagramSocketImpl
495 * Method: socketGetIntOption
496 * Signature: (II)I
497 */
498 JNIEXPORT jint JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketGetIntOption
499 (JNIEnv *env, jclass clazz, jint fd, jint cmd) {
500 int level = 0, opt = 0, result=0;
501 int result_len = sizeof(result);
502
503 if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
504 JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
505 "Invalid option");
506 return -1;
507 }
508
509 if (NET_GetSockOpt(fd, level, opt, (void *)&result, &result_len) < 0) {
510 NET_ThrowNew(env, WSAGetLastError(), "getsockopt");
511 return -1;
512 }
513
514 return result;
515 }
516
517 /*
518 * Class: java_net_DualStackPlainDatagramSocketImpl
519 * Method: dataAvailable
520 * Signature: ()I
521 */
522 JNIEXPORT jint JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_dataAvailable
523 (JNIEnv *env, jobject this) {
524 SOCKET fd;
525 int rv = -1;
526 jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
527
528 if (!IS_NULL(fdObj)) {
529 int retval = 0;
530 fd = (SOCKET)(*env)->GetIntField(env, fdObj, IO_fd_fdID);
531 rv = ioctlsocket(fd, FIONREAD, &retval);
532 if (retval > 0) {
533 return retval;
534 }
535 }
536
537 if (rv < 0) {
538 JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
539 "Socket closed");
540 return -1;
541 }
542
543 return 0;
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1 /*
2 * Copyright (c) 2007, 2016, 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
458
459 (*env)->GetByteArrayRegion(env, data, offset, length,
460 (jbyte *)fullPacket);
461 rv = sendto(fd, fullPacket, length, 0, (struct sockaddr *)sap, sa_len);
462 if (rv == SOCKET_ERROR) {
463 if (rv == -1) {
464 NET_ThrowNew(env, WSAGetLastError(), "Datagram send failed");
465 }
466 }
467
468 if (length > MAX_BUFFER_LEN) {
469 free(fullPacket);
470 }
471 }
472
473 /*
474 * Class: java_net_DualStackPlainDatagramSocketImpl
475 * Method: socketSetIntOption
476 * Signature: (III)V
477 */
478 JNIEXPORT void JNICALL
479 Java_java_net_DualStackPlainDatagramSocketImpl_socketSetIntOption
480 (JNIEnv *env, jclass clazz, jint fd, jint cmd, jint value)
481 {
482 int level = 0, opt = 0;
483
484 if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
485 JNU_ThrowByName(env, "java/net/SocketException", "Invalid option");
486 return;
487 }
488
489 if (NET_SetSockOpt(fd, level, opt, (char *)&value, sizeof(value)) < 0) {
490 NET_ThrowNew(env, WSAGetLastError(), "setsockopt");
491 }
492 }
493
494 /*
495 * Class: java_net_DualStackPlainDatagramSocketImpl
496 * Method: socketGetIntOption
497 * Signature: (II)I
498 */
499 JNIEXPORT jint JNICALL
500 Java_java_net_DualStackPlainDatagramSocketImpl_socketGetIntOption
501 (JNIEnv *env, jclass clazz, jint fd, jint cmd)
502 {
503 int level = 0, opt = 0, result = 0;
504 int result_len = sizeof(result);
505
506 if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
507 JNU_ThrowByName(env, "java/net/SocketException", "Invalid option");
508 return -1;
509 }
510
511 if (NET_GetSockOpt(fd, level, opt, (void *)&result, &result_len) < 0) {
512 NET_ThrowNew(env, WSAGetLastError(), "getsockopt");
513 return -1;
514 }
515
516 return result;
517 }
518
519 /*
520 * Class: java_net_DualStackPlainDatagramSocketImpl
521 * Method: dataAvailable
522 * Signature: ()I
523 */
524 JNIEXPORT jint JNICALL
525 Java_java_net_DualStackPlainDatagramSocketImpl_dataAvailable
526 (JNIEnv *env, jobject this)
527 {
528 SOCKET fd;
529 int rv = -1;
530 jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
531
532 if (!IS_NULL(fdObj)) {
533 int retval = 0;
534 fd = (SOCKET)(*env)->GetIntField(env, fdObj, IO_fd_fdID);
535 rv = ioctlsocket(fd, FIONREAD, &retval);
536 if (retval > 0) {
537 return retval;
538 }
539 }
540
541 if (rv < 0) {
542 JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
543 "Socket closed");
544 return -1;
545 }
546
547 return 0;
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