Examples with MemoryAddress jdk.incubator.foreign.MemoryAddress used on opensource projects

Example 1 with MemoryAddress

use of jdk.incubator.foreign.MemoryAddress in project tomcat by apache.

the class OpenSSLContext method getCiphers.

private static String[] getCiphers(MemoryAddress sslCtx) {
    MemoryAddress sk = SSL_CTX_get_ciphers(sslCtx);
    int len = OPENSSL_sk_num(sk);
    if (len <= 0) {
        return null;
    }
    ArrayList<String> ciphers = new ArrayList<>(len);
    for (int i = 0; i < len; i++) {
        MemoryAddress cipher = OPENSSL_sk_value(sk, i);
        MemoryAddress cipherName = SSL_CIPHER_get_name(cipher);
        ciphers.add(new String(CLinker.toJavaString(cipherName)));
    }
    return ciphers.toArray(new String[0]);
}

Example 2 with MemoryAddress

use of jdk.incubator.foreign.MemoryAddress in project tomcat by apache.

the class OpenSSLLifecycleListener method freeDHParameters.

private static void freeDHParameters() {
    for (int i = 0; i < dhParameters.length; i++) {
        if (dhParameters[i] != null) {
            MemoryAddress dh = dhParameters[i].dh;
            if (dh != null && !MemoryAddress.NULL.equals(dh)) {
                DH_free(dh);
                dhParameters[i] = null;
            }
        }
    }
}

Example 3 with MemoryAddress

use of jdk.incubator.foreign.MemoryAddress in project openj9 by eclipse.

the class StructTests method test_addFloatFromPointerAndFloatsFromStruct_returnFloatPointer.

@Test
public void test_addFloatFromPointerAndFloatsFromStruct_returnFloatPointer() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(C_FLOAT.withName("elem1"), C_FLOAT.withName("elem2"));
    VarHandle floatHandle1 = structLayout.varHandle(float.class, PathElement.groupElement("elem1"));
    VarHandle floatHandle2 = structLayout.varHandle(float.class, PathElement.groupElement("elem2"));
    MethodType mt = MethodType.methodType(MemoryAddress.class, MemoryAddress.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_POINTER, C_POINTER, structLayout);
    Symbol functionSymbol = nativeLib.lookup("addFloatFromPointerAndFloatsFromStruct_returnFloatPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment floatSegmt = MemorySegment.allocateNative(C_FLOAT);
    MemoryAccess.setFloat(floatSegmt, 12.12F);
    MemorySegment structSegmt = MemorySegment.allocateNative(structLayout);
    floatHandle1.set(structSegmt, 18.23F);
    floatHandle2.set(structSegmt, 19.34F);
    MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(floatSegmt.address(), structSegmt);
    MemorySegment resultSegmt = resultAddr.asSegmentRestricted(C_FLOAT.byteSize());
    VarHandle floatHandle = MemoryHandles.varHandle(float.class, ByteOrder.nativeOrder());
    float result = (float) floatHandle.get(resultSegmt, 0);
    Assert.assertEquals(result, 49.69F, 0.01F);
    Assert.assertEquals(resultSegmt.address().toRawLongValue(), floatSegmt.address().toRawLongValue());
    floatSegmt.close();
    structSegmt.close();
    resultSegmt.close();
}

Example 4 with MemoryAddress

use of jdk.incubator.foreign.MemoryAddress in project openj9 by eclipse.

the class StructTests method test_add2BoolStructsWithXor_returnStructPointer.

@Test
public void test_add2BoolStructsWithXor_returnStructPointer() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(C_INT.withName("elem1"), C_INT.withName("elem2"));
    VarHandle boolHandle1 = structLayout.varHandle(int.class, PathElement.groupElement("elem1"));
    VarHandle boolHandle2 = structLayout.varHandle(int.class, PathElement.groupElement("elem2"));
    MethodType mt = MethodType.methodType(MemoryAddress.class, MemoryAddress.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_POINTER, C_POINTER, structLayout);
    Symbol functionSymbol = nativeLib.lookup("add2BoolStructsWithXor_returnStructPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment structSegmt1 = MemorySegment.allocateNative(structLayout);
    boolHandle1.set(structSegmt1, 1);
    boolHandle2.set(structSegmt1, 0);
    MemorySegment structSegmt2 = MemorySegment.allocateNative(structLayout);
    boolHandle1.set(structSegmt2, 1);
    boolHandle2.set(structSegmt2, 1);
    MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(structSegmt1.address(), structSegmt2);
    MemorySegment resultSegmt = resultAddr.asSegmentRestricted(structLayout.byteSize());
    Assert.assertEquals(boolHandle1.get(resultSegmt), 0);
    Assert.assertEquals(boolHandle2.get(resultSegmt), 1);
    structSegmt1.close();
    structSegmt2.close();
    resultSegmt.close();
}

Example 5 with MemoryAddress

use of jdk.incubator.foreign.MemoryAddress in project openj9 by eclipse.

the class StructTests method test_add2ByteStructs_returnStructPointer.

@Test
public void test_add2ByteStructs_returnStructPointer() throws Throwable {
    GroupLayout structLayout = MemoryLayout.ofStruct(C_CHAR.withName("elem1"), C_CHAR.withName("elem2"));
    VarHandle byteHandle1 = structLayout.varHandle(byte.class, PathElement.groupElement("elem1"));
    VarHandle byteHandle2 = structLayout.varHandle(byte.class, PathElement.groupElement("elem2"));
    MethodType mt = MethodType.methodType(MemoryAddress.class, MemoryAddress.class, MemorySegment.class);
    FunctionDescriptor fd = FunctionDescriptor.of(C_POINTER, C_POINTER, structLayout);
    Symbol functionSymbol = nativeLib.lookup("add2ByteStructs_returnStructPointer").get();
    MethodHandle mh = clinker.downcallHandle(functionSymbol, mt, fd);
    MemorySegment structSegmt1 = MemorySegment.allocateNative(structLayout);
    byteHandle1.set(structSegmt1, (byte) 25);
    byteHandle2.set(structSegmt1, (byte) 11);
    MemorySegment structSegmt2 = MemorySegment.allocateNative(structLayout);
    byteHandle1.set(structSegmt2, (byte) 24);
    byteHandle2.set(structSegmt2, (byte) 13);
    MemoryAddress resultAddr = (MemoryAddress) mh.invokeExact(structSegmt1.address(), structSegmt2);
    MemorySegment resultSegmt = resultAddr.asSegmentRestricted(structLayout.byteSize());
    Assert.assertEquals((byte) byteHandle1.get(resultSegmt), (byte) 49);
    Assert.assertEquals((byte) byteHandle2.get(resultSegmt), (byte) 24);
    structSegmt1.close();
    structSegmt2.close();
    resultSegmt.close();
}