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541 lines
17 KiB
541 lines
17 KiB
/* |
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* ZeroTier SDK - Network Virtualization Everywhere |
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* Copyright (C) 2011-2018 ZeroTier, Inc. https://www.zerotier.com/ |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* -- |
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* |
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* You can be released from the requirements of the license by purchasing |
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* a commercial license. Buying such a license is mandatory as soon as you |
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* develop commercial closed-source software that incorporates or links |
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* directly against ZeroTier software without disclosing the source code |
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* of your own application. |
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*/ |
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|
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/** |
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* @file |
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* |
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* Javs JNI wrapper for POSIX-like socket API |
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* JNI naming convention: Java_PACKAGENAME_CLASSNAME_METHODNAME |
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*/ |
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|
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#ifdef SDK_JNI |
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|
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#if defined(_MSC_VER) |
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// |
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#else |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <arpa/inet.h> |
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#endif |
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|
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#include "libzt.h" |
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#include <jni.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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namespace ZeroTier { |
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void ss2zta(JNIEnv *env, struct sockaddr_storage *ss, jobject addr); |
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void zta2ss(JNIEnv *env, struct sockaddr_storage *ss, jobject addr); |
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void ztfdset2fdset(JNIEnv *env, int nfds, jobject src_ztfd_set, fd_set *dest_fd_set); |
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void fdset2ztfdset(JNIEnv *env, int nfds, fd_set *src_fd_set, jobject dest_ztfd_set); |
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////////////////////////////////////////////////////////////////////////////// |
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// ZeroTier service controls // |
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////////////////////////////////////////////////////////////////////////////// |
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/* |
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_set_1service_1port( |
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JNIEnv *env, jobject thisObj, jint port) |
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{ |
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zts_set_service_port(port); |
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} |
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|
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_get_1service_1port( |
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JNIEnv *env, jobject thisObj, jint port) |
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{ |
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return zts_get_service_port(); |
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} |
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*/ |
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_start( |
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JNIEnv *env, jobject thisObj, jstring path, jboolean blocking) |
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{ |
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if (path) { |
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const char* utf_string = env->GetStringUTFChars(path, NULL); |
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zts_start(utf_string, blocking); |
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env->ReleaseStringUTFChars(path, utf_string); |
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} |
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} |
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|
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_startjoin( |
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JNIEnv *env, jobject thisObj, jstring path, jlong nwid) |
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{ |
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if (path && nwid) { |
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const char* utf_string = env->GetStringUTFChars(path, NULL); |
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zts_startjoin(utf_string, (uint64_t)nwid); |
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env->ReleaseStringUTFChars(path, utf_string); |
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} |
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} |
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_stop( |
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JNIEnv *env, jobject thisObj) |
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{ |
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zts_stop(); |
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} |
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|
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_free( |
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JNIEnv *env, jobject thisObj) |
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{ |
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zts_free(); |
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} |
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|
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JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_core_1running( |
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JNIEnv *env, jobject thisObj) |
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{ |
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return zts_core_running(); |
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} |
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|
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JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_stack_1running( |
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JNIEnv *env, jobject thisObj) |
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{ |
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return zts_stack_running(); |
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} |
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|
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JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_ready( |
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JNIEnv *env, jobject thisObj) |
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{ |
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return zts_ready(); |
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} |
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_get_1service_1port( |
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JNIEnv *env, jobject thisObj, jint port) |
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{ |
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return zts_get_num_joined_networks(); |
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}xxx |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_join( |
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JNIEnv *env, jobject thisObj, jlong nwid) |
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{ |
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return zts_join((uint64_t)nwid); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_leave( |
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JNIEnv *env, jobject thisObj, jlong nwid) |
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{ |
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return zts_leave((uint64_t)nwid); |
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} |
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JNIEXPORT jstring JNICALL Java_com_zerotier_libzt_ZeroTier_get_1path( |
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JNIEnv *env, jobject thisObj) |
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{ |
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char pathBuf[ZT_HOME_PATH_MAX_LEN]; |
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zts_get_path(pathBuf, ZT_HOME_PATH_MAX_LEN); |
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return env->NewStringUTF(pathBuf); |
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} |
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JNIEXPORT jlong JNICALL Java_com_zerotier_libzt_ZeroTier_get_1node_1id( |
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JNIEnv *env, jobject thisObj) |
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{ |
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return zts_get_node_id(); |
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} |
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JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_get_1num_1assigned_1addresses( |
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JNIEnv *env, jobject thisObj, jlong nwid) |
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{ |
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return zts_get_num_assigned_addresses(nwid); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_get_1address_1at_1index( |
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JNIEnv *env, jobject thisObj, jlong nwid, jint index, jobject addr) |
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{ |
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struct sockaddr_storage ss; |
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socklen_t addrlen = sizeof(struct sockaddr_storage); |
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int err = zts_get_address_at_index(nwid, index, (struct sockaddr*)&ss, &addrlen); |
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ss2zta(env, &ss, addr); |
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return err; |
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} |
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JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_has_1address( |
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JNIEnv *env, jobject thisObj, jlong nwid) |
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{ |
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return zts_has_address(nwid); |
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} |
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JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_get_1address( |
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JNIEnv *env, jobject thisObj, jlong nwid, jint address_family, jobject addr) |
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{ |
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struct sockaddr_storage ss; |
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int err = zts_get_address((uint64_t)nwid, &ss, address_family); |
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ss2zta(env, &ss, addr); |
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return err; |
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} |
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_get_16plane_1addr( |
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JNIEnv *env, jobject thisObj, jlong nwid, jlong nodeId, jobject addr) |
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{ |
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struct sockaddr_storage ss; |
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zts_get_6plane_addr(&ss, nwid, nodeId); |
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ss2zta(env, &ss, addr); |
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} |
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JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_get_1rfc4193_1addr( |
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JNIEnv *env, jobject thisObj, jlong nwid, jlong nodeId, jobject addr) |
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{ |
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struct sockaddr_storage ss; |
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zts_get_rfc4193_addr(&ss, nwid, nodeId); |
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ss2zta(env, &ss, addr); |
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} |
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JNIEXPORT jlong JNICALL Java_com_zerotier_libzt_ZeroTier_get_1peer_1count( |
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JNIEnv *env, jobject thisObj) |
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{ |
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return zts_get_peer_count(); |
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} |
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////////////////////////////////////////////////////////////////////////////// |
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// ZeroTier Socket API // |
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////////////////////////////////////////////////////////////////////////////// |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_socket( |
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JNIEnv *env, jobject thisObj, jint family, jint type, jint protocol) |
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{ |
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return zts_socket(family, type, protocol); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_connect( |
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JNIEnv *env, jobject thisObj, jint fd, jobject addr) |
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{ |
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struct sockaddr_storage ss; |
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zta2ss(env, &ss, addr); |
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socklen_t addrlen = ss.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6); |
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return zts_connect(fd, (struct sockaddr *)&ss, addrlen); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_bind( |
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JNIEnv *env, jobject thisObj, jint fd, jobject addr) |
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{ |
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struct sockaddr_storage ss; |
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zta2ss(env, &ss, addr); |
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socklen_t addrlen = ss.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6); |
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return zts_bind(fd, (struct sockaddr*)&ss, addrlen); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_listen( |
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JNIEnv *env, jobject thisObj, jint fd, int backlog) |
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{ |
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return zts_listen(fd, backlog); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_accept( |
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JNIEnv *env, jobject thisObj, jint fd, jobject addr, jint port) |
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{ |
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struct sockaddr_storage ss; |
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socklen_t addrlen = sizeof(struct sockaddr_storage); |
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int err = zts_accept(fd, (struct sockaddr *)&ss, &addrlen); |
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ss2zta(env, &ss, addr); |
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return err; |
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} |
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#if defined(__linux__) |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_accept4( |
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JNIEnv *env, jobject thisObj, jint fd, jobject addr, jint port, jint flags) |
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{ |
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struct sockaddr_storage ss; |
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socklen_t addrlen = sizeof(struct sockaddr_storage); |
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int err = zts_accept4(fd, (struct sockaddr *)&ss, &addrlen, flags); |
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ss2zta(env, &ss, addr); |
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return err; |
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} |
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#endif |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_setsockopt( |
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JNIEnv *env, jobject thisObj, jint fd, jint level, jint optname, jint optval, jint optlen) |
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{ |
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return zts_setsockopt(fd, level, optname, (void*)(uintptr_t)optval, optlen); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_getsockopt( |
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JNIEnv *env, jobject thisObj, jint fd, jint level, jint optname, jint optval, jint optlen) |
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{ |
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return zts_getsockopt(fd, level, optname, (void*)(uintptr_t)optval, (socklen_t *)optlen); |
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} |
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JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_getsockname(JNIEnv *env, jobject thisObj, |
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jint fd, jobject addr) |
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{ |
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struct sockaddr_storage ss; |
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socklen_t addrlen = sizeof(struct sockaddr_storage); |
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int err = zts_getsockname(fd, (struct sockaddr *)&ss, &addrlen); |
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ss2zta(env, &ss, addr); |
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return err; |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_getpeername(JNIEnv *env, jobject thisObj, |
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jint fd, jobject addr) |
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{ |
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struct sockaddr_storage ss; |
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int err = zts_getpeername(fd, (struct sockaddr *)&ss, (socklen_t *)sizeof(struct sockaddr_storage)); |
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ss2zta(env, &ss, addr); |
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return err; |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_close( |
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JNIEnv *env, jobject thisObj, jint fd) |
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{ |
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return zts_close(fd); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_fcntl( |
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JNIEnv *env, jobject thisObj, jint fd, jint cmd, jint flags) |
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{ |
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return zts_fcntl(fd, cmd, flags); |
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} |
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JNIEXPORT int JNICALL Java_com_zerotier_libzt_ZeroTier_ioctl(jint fd, jlong request, void *argp) |
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{ |
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return zts_ioctl(fd, request, argp); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_send( |
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JNIEnv *env, jobject thisObj, jint fd, jbyteArray buf, int flags) |
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{ |
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void *data = env->GetPrimitiveArrayCritical(buf, NULL); |
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int w = zts_send(fd, data, env->GetArrayLength(buf), flags); |
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env->ReleasePrimitiveArrayCritical(buf, data, 0); |
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return w; |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_sendto( |
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JNIEnv *env, jobject thisObj, jint fd, jbyteArray buf, jint flags, jobject addr) |
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{ |
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void *data = env->GetPrimitiveArrayCritical(buf, NULL); |
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struct sockaddr_storage ss; |
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zta2ss(env, &ss, addr); |
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socklen_t addrlen = ss.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6); |
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int w = zts_sendto(fd, data, env->GetArrayLength(buf), flags, (struct sockaddr *)&ss, addrlen); |
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env->ReleasePrimitiveArrayCritical(buf, data, 0); |
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return w; |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_recv(JNIEnv *env, jobject thisObj, |
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jint fd, jbyteArray buf, jint flags) |
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{ |
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void *data = env->GetPrimitiveArrayCritical(buf, NULL); |
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int r = zts_recv(fd, data, env->GetArrayLength(buf), flags); |
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env->ReleasePrimitiveArrayCritical(buf, data, 0); |
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return r; |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_recvfrom( |
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JNIEnv *env, jobject thisObj, jint fd, jbyteArray buf, jint flags, jobject addr) |
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{ |
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socklen_t addrlen = sizeof(struct sockaddr_storage); |
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struct sockaddr_storage ss; |
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void *data = env->GetPrimitiveArrayCritical(buf, NULL); |
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int r = zts_recvfrom(fd, data, env->GetArrayLength(buf), flags, (struct sockaddr *)&ss, &addrlen); |
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env->ReleasePrimitiveArrayCritical(buf, data, 0); |
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ss2zta(env, &ss, addr); |
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return r; |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_read(JNIEnv *env, jobject thisObj, |
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jint fd, jbyteArray buf) |
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{ |
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void *data = env->GetPrimitiveArrayCritical(buf, NULL); |
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int r = zts_read(fd, data, env->GetArrayLength(buf)); |
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env->ReleasePrimitiveArrayCritical(buf, data, 0); |
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return r; |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_write(JNIEnv *env, jobject thisObj, |
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jint fd, jbyteArray buf) |
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{ |
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void *data = env->GetPrimitiveArrayCritical(buf, NULL); |
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int w = zts_write(fd, data, env->GetArrayLength(buf)); |
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env->ReleasePrimitiveArrayCritical(buf, data, 0); |
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return w; |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_shutdown( |
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JNIEnv *env, jobject thisObj, int fd, int how) |
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{ |
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return zts_shutdown(fd, how); |
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} |
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JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_select(JNIEnv *env, jobject thisObj, |
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jint nfds, jobject readfds, jobject writefds, jobject exceptfds, jint timeout_sec, jint timeout_usec) |
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{ |
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struct timeval _timeout; |
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_timeout.tv_sec = timeout_sec; |
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_timeout.tv_usec = timeout_usec; |
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fd_set _readfds, _writefds, _exceptfds; |
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fd_set *r = NULL; |
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fd_set *w = NULL; |
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fd_set *e = NULL; |
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if (readfds) { |
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r = &_readfds; |
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ztfdset2fdset(env, nfds, readfds, &_readfds); |
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} |
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if (writefds) { |
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w = &_writefds; |
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ztfdset2fdset(env, nfds, writefds, &_writefds); |
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} |
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if (exceptfds) { |
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e = &_exceptfds; |
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ztfdset2fdset(env, nfds, exceptfds, &_exceptfds); |
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} |
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int err = zts_select(nfds, r, w, e, &_timeout); |
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if (readfds) { |
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fdset2ztfdset(env, nfds, &_readfds, readfds); |
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} |
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if (writefds) { |
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fdset2ztfdset(env, nfds, &_writefds, writefds); |
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} |
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if (exceptfds) { |
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fdset2ztfdset(env, nfds, &_exceptfds, exceptfds); |
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} |
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return err; |
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} |
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} |
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|
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void ztfdset2fdset(JNIEnv *env, int nfds, jobject src_ztfd_set, fd_set *dest_fd_set) |
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{ |
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jclass c = (*env).GetObjectClass(src_ztfd_set); |
|
if (!c) { |
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return; |
|
} |
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FD_ZERO(dest_fd_set); |
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jfieldID fid = env->GetFieldID(c, "fds_bits", "[B"); |
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jobject fdData = (*env).GetObjectField (src_ztfd_set, fid); |
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jbyteArray * arr = reinterpret_cast<jbyteArray*>(&fdData); |
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char *data = (char*)(*env).GetByteArrayElements(*arr, NULL); |
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for (int i=0; i<nfds; i++) { |
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if (data[i] == 0x01) { |
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FD_SET(i, dest_fd_set); |
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} |
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} |
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(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0); |
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return; |
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} |
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|
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void fdset2ztfdset(JNIEnv *env, int nfds, fd_set *src_fd_set, jobject dest_ztfd_set) |
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{ |
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jclass c = (*env).GetObjectClass(dest_ztfd_set); |
|
if (!c) { |
|
return; |
|
} |
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jfieldID fid = env->GetFieldID(c, "fds_bits", "[B"); |
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jobject fdData = (*env).GetObjectField (dest_ztfd_set, fid); |
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jbyteArray * arr = reinterpret_cast<jbyteArray*>(&fdData); |
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char *data = (char*)(*env).GetByteArrayElements(*arr, NULL); |
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for (int i=0; i<nfds; i++) { |
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if (FD_ISSET(i, src_fd_set)) { |
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data[i] = 0x01; |
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} |
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} |
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(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0); |
|
return; |
|
} |
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|
|
////////////////////////////////////////////////////////////////////////////// |
|
// Helpers (for moving data across the JNI barrier) // |
|
////////////////////////////////////////////////////////////////////////////// |
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|
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void ss2zta(JNIEnv *env, struct sockaddr_storage *ss, jobject addr) |
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{ |
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jclass c = (*env).GetObjectClass(addr); |
|
if (!c) { |
|
return; |
|
} |
|
if(ss->ss_family == AF_INET) |
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{ |
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struct sockaddr_in *in4 = (struct sockaddr_in*)ss; |
|
jfieldID fid = (*env).GetFieldID(c, "_port", "I"); |
|
(*env).SetIntField(addr, fid, ntohs(in4->sin_port)); |
|
fid = (*env).GetFieldID(c,"_family", "I"); |
|
(*env).SetIntField(addr, fid, (in4->sin_family)); |
|
fid = env->GetFieldID(c, "_ip4", "[B"); |
|
jobject ipData = (*env).GetObjectField (addr, fid); |
|
jbyteArray * arr = reinterpret_cast<jbyteArray*>(&ipData); |
|
char *data = (char*)(*env).GetByteArrayElements(*arr, NULL); |
|
memcpy(data, &(in4->sin_addr.s_addr), 4); |
|
(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0); |
|
|
|
return; |
|
} |
|
if(ss->ss_family == AF_INET6) |
|
{ |
|
struct sockaddr_in6 *in6 = (struct sockaddr_in6*)ss; |
|
jfieldID fid = (*env).GetFieldID(c, "_port", "I"); |
|
(*env).SetIntField(addr, fid, ntohs(in6->sin6_port)); |
|
fid = (*env).GetFieldID(c,"_family", "I"); |
|
(*env).SetIntField(addr, fid, (in6->sin6_family)); |
|
fid = env->GetFieldID(c, "_ip6", "[B"); |
|
jobject ipData = (*env).GetObjectField (addr, fid); |
|
jbyteArray * arr = reinterpret_cast<jbyteArray*>(&ipData); |
|
char *data = (char*)(*env).GetByteArrayElements(*arr, NULL); |
|
memcpy(data, &(in6->sin6_addr.s6_addr), 16); |
|
(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0); |
|
return; |
|
} |
|
} |
|
|
|
void zta2ss(JNIEnv *env, struct sockaddr_storage *ss, jobject addr) |
|
{ |
|
jclass c = (*env).GetObjectClass(addr); |
|
if (!c) { |
|
return; |
|
} |
|
jfieldID fid = (*env).GetFieldID(c, "_family", "I"); |
|
int family = (*env).GetIntField(addr, fid); |
|
if (family == AF_INET) |
|
{ |
|
struct sockaddr_in *in4 = (struct sockaddr_in*)ss; |
|
fid = (*env).GetFieldID(c, "_port", "I"); |
|
in4->sin_port = htons((*env).GetIntField(addr, fid)); |
|
in4->sin_family = AF_INET; |
|
fid = env->GetFieldID(c, "_ip4", "[B"); |
|
jobject ipData = (*env).GetObjectField (addr, fid); |
|
jbyteArray * arr = reinterpret_cast<jbyteArray*>(&ipData); |
|
char *data = (char*)(*env).GetByteArrayElements(*arr, NULL); |
|
memcpy(&(in4->sin_addr.s_addr), data, 4); |
|
(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0); |
|
return; |
|
} |
|
if (family == AF_INET6) |
|
{ |
|
struct sockaddr_in6 *in6 = (struct sockaddr_in6*)ss; |
|
jfieldID fid = (*env).GetFieldID(c, "_port", "I"); |
|
in6->sin6_port = htons((*env).GetIntField(addr, fid)); |
|
fid = (*env).GetFieldID(c,"_family", "I"); |
|
in6->sin6_family = AF_INET6; |
|
fid = env->GetFieldID(c, "_ip6", "[B"); |
|
jobject ipData = (*env).GetObjectField (addr, fid); |
|
jbyteArray * arr = reinterpret_cast<jbyteArray*>(&ipData); |
|
char *data = (char*)(*env).GetByteArrayElements(*arr, NULL); |
|
memcpy(&(in6->sin6_addr.s6_addr), data, 16); |
|
(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0); |
|
return; |
|
} |
|
} |
|
|
|
#ifdef __cplusplus |
|
} |
|
#endif |
|
|
|
#endif // SDK_JNI
|