/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Generated by jextract

package org.apache.tomcat.util.openssl;

import java.lang.foreign.Arena;
import java.lang.foreign.FunctionDescriptor;
import java.lang.foreign.Linker;
import java.lang.foreign.MemorySegment;
import java.lang.invoke.MethodHandle;

/**
 * {@snippet lang=c :
 * SSL_CTX_alpn_select_cb_func cb
 * }
 */
@SuppressWarnings("javadoc")
public class SSL_CTX_set_alpn_select_cb$cb {

    public interface Function {
        int apply(MemorySegment _x0, MemorySegment _x1, MemorySegment _x2, MemorySegment _x3, int _x4, MemorySegment _x5);
    }

    private static final FunctionDescriptor $DESC = FunctionDescriptor.of(
        openssl_h.C_INT,
        openssl_h.C_POINTER,
        openssl_h.C_POINTER,
        openssl_h.C_POINTER,
        openssl_h.C_POINTER,
        openssl_h.C_INT,
        openssl_h.C_POINTER
    );

    public static FunctionDescriptor descriptor() {
        return $DESC;
    }

    private static final MethodHandle UP$MH = openssl_h.upcallHandle(SSL_CTX_set_alpn_select_cb$cb.Function.class, "apply", $DESC);

    public static MemorySegment allocate(SSL_CTX_set_alpn_select_cb$cb.Function fi, Arena scope) {
        return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, scope);
    }

    private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

    public static int invoke(MemorySegment funcPtr,MemorySegment _x0, MemorySegment _x1, MemorySegment _x2, MemorySegment _x3, int _x4, MemorySegment _x5) {
        try {
            return (int) DOWN$MH.invokeExact(funcPtr, _x0, _x1, _x2, _x3, _x4, _x5);
        } catch (Throwable ex$) {
            throw new AssertionError("should not reach here", ex$);
        }
    }
}

