350
351 /*
352 * Class: java_net_DualStackPlainSocketImpl
353 * Method: shutdown0
354 * Signature: (II)V
355 */
356 JNIEXPORT void JNICALL Java_java_net_DualStackPlainSocketImpl_shutdown0
357 (JNIEnv *env, jclass clazz, jint fd, jint howto) {
358 shutdown(fd, howto);
359 }
360
361
362 /*
363 * Class: java_net_DualStackPlainSocketImpl
364 * Method: setIntOption
365 * Signature: (III)V
366 */
367 JNIEXPORT void JNICALL Java_java_net_DualStackPlainSocketImpl_setIntOption
368 (JNIEnv *env, jclass clazz, jint fd, jint cmd, jint value) {
369
370 int level, opt;
371 struct linger linger;
372 char *parg;
373 int arglen;
374
375 if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
376 JNU_ThrowByNameWithLastError(env,
377 JNU_JAVANETPKG "SocketException",
378 "Invalid option");
379 return;
380 }
381
382 if (opt == java_net_SocketOptions_SO_LINGER) {
383 parg = (char *)&linger;
384 arglen = sizeof(linger);
385 if (value >= 0) {
386 linger.l_onoff = 1;
387 linger.l_linger = (unsigned short)value;
388 } else {
389 linger.l_onoff = 0;
390 linger.l_linger = 0;
391 }
392 } else {
393 parg = (char *)&value;
394 arglen = sizeof(value);
395 }
396
397 if (NET_SetSockOpt(fd, level, opt, parg, arglen) < 0) {
398 NET_ThrowNew(env, WSAGetLastError(), "setsockopt");
399 }
400 }
401
402 /*
403 * Class: java_net_DualStackPlainSocketImpl
404 * Method: getIntOption
405 * Signature: (II)I
406 */
407 JNIEXPORT jint JNICALL Java_java_net_DualStackPlainSocketImpl_getIntOption
408 (JNIEnv *env, jclass clazz, jint fd, jint cmd) {
409
410 int level, opt;
411 int result=0;
412 struct linger linger;
413 char *arg;
414 int arglen;
415
416 if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
417 JNU_ThrowByNameWithLastError(env,
418 JNU_JAVANETPKG "SocketException",
419 "Unsupported socket option");
420 return -1;
421 }
422
423 if (opt == java_net_SocketOptions_SO_LINGER) {
424 arg = (char *)&linger;
425 arglen = sizeof(linger);
426 } else {
427 arg = (char *)&result;
428 arglen = sizeof(result);
429 }
430
431 if (NET_GetSockOpt(fd, level, opt, arg, &arglen) < 0) {
432 NET_ThrowNew(env, WSAGetLastError(), "getsockopt");
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350
351 /*
352 * Class: java_net_DualStackPlainSocketImpl
353 * Method: shutdown0
354 * Signature: (II)V
355 */
356 JNIEXPORT void JNICALL Java_java_net_DualStackPlainSocketImpl_shutdown0
357 (JNIEnv *env, jclass clazz, jint fd, jint howto) {
358 shutdown(fd, howto);
359 }
360
361
362 /*
363 * Class: java_net_DualStackPlainSocketImpl
364 * Method: setIntOption
365 * Signature: (III)V
366 */
367 JNIEXPORT void JNICALL Java_java_net_DualStackPlainSocketImpl_setIntOption
368 (JNIEnv *env, jclass clazz, jint fd, jint cmd, jint value) {
369
370 int level = 0, opt = 0;
371 struct linger linger = {0, 0};
372 char *parg;
373 int arglen;
374
375 if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
376 JNU_ThrowByNameWithLastError(env,
377 JNU_JAVANETPKG "SocketException",
378 "Invalid option");
379 return;
380 }
381
382 if (opt == java_net_SocketOptions_SO_LINGER) {
383 parg = (char *)&linger;
384 arglen = sizeof(linger);
385 if (value >= 0) {
386 linger.l_onoff = 1;
387 linger.l_linger = (unsigned short)value;
388 } else {
389 linger.l_onoff = 0;
390 linger.l_linger = 0;
391 }
392 } else {
393 parg = (char *)&value;
394 arglen = sizeof(value);
395 }
396
397 if (NET_SetSockOpt(fd, level, opt, parg, arglen) < 0) {
398 NET_ThrowNew(env, WSAGetLastError(), "setsockopt");
399 }
400 }
401
402 /*
403 * Class: java_net_DualStackPlainSocketImpl
404 * Method: getIntOption
405 * Signature: (II)I
406 */
407 JNIEXPORT jint JNICALL Java_java_net_DualStackPlainSocketImpl_getIntOption
408 (JNIEnv *env, jclass clazz, jint fd, jint cmd) {
409
410 int level = 0, opt = 0;
411 int result=0;
412 struct linger linger = {0, 0};
413 char *arg;
414 int arglen;
415
416 if (NET_MapSocketOption(cmd, &level, &opt) < 0) {
417 JNU_ThrowByNameWithLastError(env,
418 JNU_JAVANETPKG "SocketException",
419 "Unsupported socket option");
420 return -1;
421 }
422
423 if (opt == java_net_SocketOptions_SO_LINGER) {
424 arg = (char *)&linger;
425 arglen = sizeof(linger);
426 } else {
427 arg = (char *)&result;
428 arglen = sizeof(result);
429 }
430
431 if (NET_GetSockOpt(fd, level, opt, arg, &arglen) < 0) {
432 NET_ThrowNew(env, WSAGetLastError(), "getsockopt");
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