| /* |
| * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <stdatomic.h> |
| |
| #include "util.h" |
| #include "DDMImpl.h" |
| #include "inStream.h" |
| #include "outStream.h" |
| |
| static _Atomic(jboolean) ddmIsActive = ATOMIC_VAR_INIT(JNI_FALSE); |
| |
| static void |
| SendDdmBroadcast(JNIEnv* env, jboolean connected) |
| { |
| WITH_LOCAL_REFS(env, 2) { |
| jclass ddm_class = JNI_FUNC_PTR(env,FindClass)(env, "org/apache/harmony/dalvik/ddmc/DdmServer"); |
| if (JNI_FUNC_PTR(env,ExceptionCheck)(env)) { |
| JNI_FUNC_PTR(env,ExceptionClear)(env); |
| goto end; |
| } |
| jmethodID broadcast = JNI_FUNC_PTR(env,GetStaticMethodID)(env, ddm_class, "broadcast", "(I)V"); |
| if (broadcast == NULL) { |
| ERROR_MESSAGE(("JDWP Cannot find DdmServer.broadcast(I)V method!")); |
| JNI_FUNC_PTR(env,ExceptionDescribe)(env); |
| JNI_FUNC_PTR(env,ExceptionClear)(env); |
| goto end; |
| } |
| jint event = |
| connected == JNI_TRUE ? 1 /* DdmServer.CONNECTED */ : 2 /*DdmServer.DISCONNECTED */; |
| JNI_FUNC_PTR(env,CallStaticVoidMethod)(env, ddm_class, broadcast, event); |
| if (JNI_FUNC_PTR(env,ExceptionCheck)(env)) { |
| LOG_ERROR(("DdmServer.broadcast %d failed", event)); |
| JNI_FUNC_PTR(env,ExceptionDescribe)(env); |
| JNI_FUNC_PTR(env,ExceptionClear)(env); |
| } |
| if (!connected) { |
| // If we are disconnecting we also need to call DdmVmInternal.threadNotify(false) |
| jclass ddm_vm_internal = |
| JNI_FUNC_PTR(env,FindClass)(env, "org/apache/harmony/dalvik/ddmc/DdmVmInternal"); |
| jmethodID thread_notify = |
| JNI_FUNC_PTR(env,GetStaticMethodID)(env, ddm_vm_internal, "threadNotify", "(Z)V"); |
| if (thread_notify == NULL) { |
| ERROR_MESSAGE(("JDWP Cannot find DdmVmInternal.threadNotify(Z)V method!")); |
| JNI_FUNC_PTR(env,ExceptionDescribe)(env); |
| JNI_FUNC_PTR(env,ExceptionClear)(env); |
| goto end; |
| } |
| JNI_FUNC_PTR(env,CallStaticVoidMethod)(env, ddm_vm_internal, thread_notify, JNI_FALSE); |
| if (JNI_FUNC_PTR(env,ExceptionCheck)(env)) { |
| LOG_ERROR(("DdmVmInternal.threadNotify(false) failed")); |
| JNI_FUNC_PTR(env,ExceptionDescribe)(env); |
| JNI_FUNC_PTR(env,ExceptionClear)(env); |
| } |
| } |
| end: ; |
| } END_WITH_LOCAL_REFS(env); |
| } |
| |
| static jboolean |
| chunk(PacketInputStream *in, PacketOutputStream *out) |
| { |
| int i; |
| jint type_in; |
| jint type_out; |
| jint len_in; |
| jint len_out; |
| jbyte* data_in; |
| jbyte* data_out; |
| jvmtiError error; |
| |
| type_in = inStream_readInt(in); |
| len_in = inStream_readInt(in); |
| data_in = inStream_readBytes(in, len_in, (jbyte*)jvmtiAllocate(len_in)); |
| |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (gdata->ddm_process_chunk == NULL) { |
| jvmtiDeallocate(data_in); |
| outStream_setError(out, JDWP_ERROR(NOT_IMPLEMENTED)); |
| return JNI_TRUE; |
| } |
| |
| jboolean ddm_newly_active = !atomic_exchange(&ddmIsActive, JNI_TRUE); |
| if (ddm_newly_active) { |
| SendDdmBroadcast(getEnv(), /* connected */JNI_TRUE); |
| } |
| |
| LOG_JVMTI(("com.android.art.internal.ddm.process_chunk()")); |
| error = gdata->ddm_process_chunk(gdata->jvmti, |
| type_in, |
| len_in, |
| data_in, |
| &type_out, |
| &len_out, |
| &data_out); |
| |
| jvmtiDeallocate(data_in); |
| |
| if (error != JVMTI_ERROR_NONE) { |
| // For backwards-compatibility we do not actually return any error or any data at all |
| // here. |
| LOG_MISC(("Suppressing error from com.android.art.internal.ddm.process_chunk for backwards " |
| "compatibility. Error was %s (%d)", jvmtiErrorText(error), error)); |
| return JNI_TRUE; |
| } |
| |
| outStream_writeInt(out, type_out); |
| outStream_writeByteArray(out, len_out, data_out); |
| jvmtiDeallocate(data_out); |
| |
| return JNI_TRUE; |
| } |
| |
| void DDM_initialize(void) |
| { |
| atomic_exchange(&ddmIsActive, gdata->ddmInitiallyActive); |
| } |
| |
| void DDM_onDisconnect(void) |
| { |
| jboolean was_active = atomic_exchange(&ddmIsActive, JNI_FALSE); |
| if (was_active) { |
| JNIEnv* env = getEnv(); |
| SendDdmBroadcast(getEnv(), /*connected*/ JNI_FALSE); |
| } |
| } |
| |
| void *DDM_Cmds[] = { (void *)1 |
| ,(void *)chunk |
| }; |