1*61dff127SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*61dff127SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*61dff127SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*61dff127SAndrew Rist * distributed with this work for additional information 6*61dff127SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*61dff127SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*61dff127SAndrew Rist * "License"); you may not use this file except in compliance 9*61dff127SAndrew Rist * with the License. You may obtain a copy of the License at 10*61dff127SAndrew Rist * 11*61dff127SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*61dff127SAndrew Rist * 13*61dff127SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*61dff127SAndrew Rist * software distributed under the License is distributed on an 15*61dff127SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*61dff127SAndrew Rist * KIND, either express or implied. See the License for the 17*61dff127SAndrew Rist * specific language governing permissions and limitations 18*61dff127SAndrew Rist * under the License. 19*61dff127SAndrew Rist * 20*61dff127SAndrew Rist *************************************************************/ 21*61dff127SAndrew Rist 22*61dff127SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_bridges.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include "jvmaccess/virtualmachine.hxx" 28cdf0e10cSrcweir #include "rtl/byteseq.h" 29cdf0e10cSrcweir #include "rtl/byteseq.hxx" 30cdf0e10cSrcweir #include "rtl/memory.h" 31cdf0e10cSrcweir #include "rtl/ref.hxx" 32cdf0e10cSrcweir #include "sal/types.h" 33cdf0e10cSrcweir #include "uno/threadpool.h" 34cdf0e10cSrcweir 35cdf0e10cSrcweir #include "jni.h" 36cdf0e10cSrcweir 37cdf0e10cSrcweir #include <new> 38cdf0e10cSrcweir 39cdf0e10cSrcweir /* The native implementation part of 40cdf0e10cSrcweir * jurt/com/sun/star/lib/uno/environments/remote/NativeThreadPool.java. 41cdf0e10cSrcweir */ 42cdf0e10cSrcweir 43cdf0e10cSrcweir namespace { 44cdf0e10cSrcweir 45cdf0e10cSrcweir struct Pool { 46cdf0e10cSrcweir Pool(rtl::Reference< jvmaccess::VirtualMachine > const & theVirtualMachine, 47cdf0e10cSrcweir jmethodID theExecute, uno_ThreadPool thePool): 48cdf0e10cSrcweir virtualMachine(theVirtualMachine), execute(theExecute), pool(thePool) {} 49cdf0e10cSrcweir 50cdf0e10cSrcweir rtl::Reference< jvmaccess::VirtualMachine > virtualMachine; 51cdf0e10cSrcweir jmethodID execute; 52cdf0e10cSrcweir uno_ThreadPool pool; 53cdf0e10cSrcweir }; 54cdf0e10cSrcweir 55cdf0e10cSrcweir struct Job { 56cdf0e10cSrcweir Job(Pool * thePool, jobject theJob): pool(thePool), job(theJob) {} 57cdf0e10cSrcweir 58cdf0e10cSrcweir Pool * pool; 59cdf0e10cSrcweir jobject job; 60cdf0e10cSrcweir }; 61cdf0e10cSrcweir 62cdf0e10cSrcweir void throwOutOfMemory(JNIEnv * env) { 63cdf0e10cSrcweir jclass c = env->FindClass("java/lang/OutOfMemoryError"); 64cdf0e10cSrcweir if (c != 0) { 65cdf0e10cSrcweir env->ThrowNew(c, ""); 66cdf0e10cSrcweir } 67cdf0e10cSrcweir } 68cdf0e10cSrcweir 69cdf0e10cSrcweir } 70cdf0e10cSrcweir 71cdf0e10cSrcweir extern "C" { 72cdf0e10cSrcweir 73cdf0e10cSrcweir static void SAL_CALL executeRequest(void * data) { 74cdf0e10cSrcweir Job * job = static_cast< Job * >(data); 75cdf0e10cSrcweir try { 76cdf0e10cSrcweir jvmaccess::VirtualMachine::AttachGuard guard(job->pool->virtualMachine); 77cdf0e10cSrcweir JNIEnv * env = guard.getEnvironment(); 78cdf0e10cSrcweir // Failure of the following Job.execute Java call is ignored; if that 79cdf0e10cSrcweir // call fails, it should be due to a java.lang.Error, which is not 80cdf0e10cSrcweir // handled well, anyway: 81cdf0e10cSrcweir env->CallObjectMethod(job->job, job->pool->execute); 82cdf0e10cSrcweir env->DeleteGlobalRef(job->job); 83cdf0e10cSrcweir delete job; 84cdf0e10cSrcweir } catch (jvmaccess::VirtualMachine::AttachGuard::CreationException &) { 85cdf0e10cSrcweir //TODO: DeleteGlobalRef(job->job) 86cdf0e10cSrcweir delete job; 87cdf0e10cSrcweir } 88cdf0e10cSrcweir } 89cdf0e10cSrcweir 90cdf0e10cSrcweir } 91cdf0e10cSrcweir 92cdf0e10cSrcweir extern "C" JNIEXPORT jbyteArray JNICALL 93cdf0e10cSrcweir Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_threadId( 94cdf0e10cSrcweir JNIEnv * env, jclass) SAL_THROW_EXTERN_C() 95cdf0e10cSrcweir { 96cdf0e10cSrcweir sal_Sequence * s = 0; 97cdf0e10cSrcweir uno_getIdOfCurrentThread(&s); //TODO: out of memory 98cdf0e10cSrcweir uno_releaseIdFromCurrentThread(); 99cdf0e10cSrcweir rtl::ByteSequence seq(s); 100cdf0e10cSrcweir rtl_byte_sequence_release(s); 101cdf0e10cSrcweir sal_Int32 n = seq.getLength(); 102cdf0e10cSrcweir jbyteArray a = env->NewByteArray(n); 103cdf0e10cSrcweir // sal_Int32 and jsize are compatible here 104cdf0e10cSrcweir if (a == 0) { 105cdf0e10cSrcweir return 0; 106cdf0e10cSrcweir } 107cdf0e10cSrcweir void * p = env->GetPrimitiveArrayCritical(a, 0); 108cdf0e10cSrcweir if (p == 0) { 109cdf0e10cSrcweir return 0; 110cdf0e10cSrcweir } 111cdf0e10cSrcweir rtl_copyMemory(p, seq.getConstArray(), n); 112cdf0e10cSrcweir // sal_Int8 and jbyte ought to be compatible 113cdf0e10cSrcweir env->ReleasePrimitiveArrayCritical(a, p, 0); 114cdf0e10cSrcweir return a; 115cdf0e10cSrcweir } 116cdf0e10cSrcweir 117cdf0e10cSrcweir extern "C" JNIEXPORT jlong JNICALL 118cdf0e10cSrcweir Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_create( 119cdf0e10cSrcweir JNIEnv * env, jclass) SAL_THROW_EXTERN_C() 120cdf0e10cSrcweir { 121cdf0e10cSrcweir JavaVM * vm; 122cdf0e10cSrcweir if (env->GetJavaVM(&vm) != JNI_OK) { //TODO: no Java exception raised? 123cdf0e10cSrcweir jclass c = env->FindClass("java/lang/RuntimeException"); 124cdf0e10cSrcweir if (c != 0) { 125cdf0e10cSrcweir env->ThrowNew(c, "JNI GetJavaVM failed"); 126cdf0e10cSrcweir } 127cdf0e10cSrcweir return 0; 128cdf0e10cSrcweir } 129cdf0e10cSrcweir jclass c = env->FindClass("com/sun/star/lib/uno/environments/remote/Job"); 130cdf0e10cSrcweir if (c == 0) { 131cdf0e10cSrcweir return 0; 132cdf0e10cSrcweir } 133cdf0e10cSrcweir jmethodID execute = env->GetMethodID(c, "execute", "()Ljava/lang/Object;"); 134cdf0e10cSrcweir if (execute == 0) { 135cdf0e10cSrcweir return 0; 136cdf0e10cSrcweir } 137cdf0e10cSrcweir try { 138cdf0e10cSrcweir return reinterpret_cast< jlong >(new Pool( 139cdf0e10cSrcweir new jvmaccess::VirtualMachine(vm, env->GetVersion(), false, env), 140cdf0e10cSrcweir execute, uno_threadpool_create())); 141cdf0e10cSrcweir } catch (std::bad_alloc) { 142cdf0e10cSrcweir throwOutOfMemory(env); 143cdf0e10cSrcweir return 0; 144cdf0e10cSrcweir } 145cdf0e10cSrcweir } 146cdf0e10cSrcweir 147cdf0e10cSrcweir extern "C" JNIEXPORT void JNICALL 148cdf0e10cSrcweir Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_attach( 149cdf0e10cSrcweir JNIEnv *, jclass, jlong pool) SAL_THROW_EXTERN_C() 150cdf0e10cSrcweir { 151cdf0e10cSrcweir uno_threadpool_attach(reinterpret_cast< Pool * >(pool)->pool); 152cdf0e10cSrcweir } 153cdf0e10cSrcweir 154cdf0e10cSrcweir extern "C" JNIEXPORT jobject JNICALL 155cdf0e10cSrcweir Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_enter( 156cdf0e10cSrcweir JNIEnv * env, jclass, jlong pool) SAL_THROW_EXTERN_C() 157cdf0e10cSrcweir { 158cdf0e10cSrcweir jobject job; 159cdf0e10cSrcweir uno_threadpool_enter( 160cdf0e10cSrcweir reinterpret_cast< Pool * >(pool)->pool, 161cdf0e10cSrcweir reinterpret_cast< void ** >(&job)); 162cdf0e10cSrcweir if (job == 0) { 163cdf0e10cSrcweir return 0; 164cdf0e10cSrcweir } 165cdf0e10cSrcweir jobject ref = env->NewLocalRef(job); 166cdf0e10cSrcweir env->DeleteGlobalRef(job); 167cdf0e10cSrcweir return ref; 168cdf0e10cSrcweir } 169cdf0e10cSrcweir 170cdf0e10cSrcweir extern "C" JNIEXPORT void JNICALL 171cdf0e10cSrcweir Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_detach( 172cdf0e10cSrcweir JNIEnv *, jclass, jlong pool) SAL_THROW_EXTERN_C() 173cdf0e10cSrcweir { 174cdf0e10cSrcweir uno_threadpool_detach(reinterpret_cast< Pool * >(pool)->pool); 175cdf0e10cSrcweir } 176cdf0e10cSrcweir 177cdf0e10cSrcweir extern "C" JNIEXPORT void JNICALL 178cdf0e10cSrcweir Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_putJob( 179cdf0e10cSrcweir JNIEnv * env, jclass, jlong pool, jbyteArray threadId, jobject job, 180cdf0e10cSrcweir jboolean request, jboolean oneWay) SAL_THROW_EXTERN_C() 181cdf0e10cSrcweir { 182cdf0e10cSrcweir void * s = env->GetPrimitiveArrayCritical(threadId, 0); 183cdf0e10cSrcweir if (s == 0) { 184cdf0e10cSrcweir return; 185cdf0e10cSrcweir } 186cdf0e10cSrcweir rtl::ByteSequence seq( 187cdf0e10cSrcweir static_cast< sal_Int8 * >(s), env->GetArrayLength(threadId)); 188cdf0e10cSrcweir // sal_Int8 and jbyte ought to be compatible; sal_Int32 and jsize are 189cdf0e10cSrcweir // compatible here 190cdf0e10cSrcweir //TODO: out of memory 191cdf0e10cSrcweir env->ReleasePrimitiveArrayCritical(threadId, s, JNI_ABORT); 192cdf0e10cSrcweir Pool * p = reinterpret_cast< Pool * >(pool); 193cdf0e10cSrcweir jobject ref = env->NewGlobalRef(job); 194cdf0e10cSrcweir if (ref == 0) { 195cdf0e10cSrcweir return; 196cdf0e10cSrcweir } 197cdf0e10cSrcweir Job * j = 0; 198cdf0e10cSrcweir if (request) { 199cdf0e10cSrcweir j = new(std::nothrow) Job(p, ref); 200cdf0e10cSrcweir if (j == 0) { 201cdf0e10cSrcweir env->DeleteGlobalRef(ref); 202cdf0e10cSrcweir throwOutOfMemory(env); 203cdf0e10cSrcweir return; 204cdf0e10cSrcweir } 205cdf0e10cSrcweir } 206cdf0e10cSrcweir uno_threadpool_putJob( 207cdf0e10cSrcweir p->pool, seq.getHandle(), 208cdf0e10cSrcweir request ? static_cast< void * >(j) : static_cast< void * >(ref), 209cdf0e10cSrcweir request ? executeRequest : 0, oneWay); 210cdf0e10cSrcweir } 211cdf0e10cSrcweir 212cdf0e10cSrcweir extern "C" JNIEXPORT void JNICALL 213cdf0e10cSrcweir Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_dispose( 214cdf0e10cSrcweir JNIEnv *, jclass, jlong pool) SAL_THROW_EXTERN_C() 215cdf0e10cSrcweir { 216cdf0e10cSrcweir uno_threadpool_dispose(reinterpret_cast< Pool * >(pool)->pool); 217cdf0e10cSrcweir } 218cdf0e10cSrcweir 219cdf0e10cSrcweir extern "C" JNIEXPORT void JNICALL 220cdf0e10cSrcweir Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_destroy( 221cdf0e10cSrcweir JNIEnv *, jclass, jlong pool) SAL_THROW_EXTERN_C() 222cdf0e10cSrcweir { 223cdf0e10cSrcweir Pool * p = reinterpret_cast< Pool * >(pool); 224cdf0e10cSrcweir uno_threadpool_destroy(p->pool); 225cdf0e10cSrcweir delete p; 226cdf0e10cSrcweir } 227