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Raw Panama bindings for libbpf generated for jextract on 64-bit Linux
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// Generated by jextract

package me.bechberger.ebpf.bpf.raw;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct ip_auth_hdr {
 *     __u8 nexthdr;
 *     __u8 hdrlen;
 *     __be16 reserved;
 *     __be32 spi;
 *     __be32 seq_no;
 *     __u8 auth_data[];
 * }
 * }
 */
public class ip_auth_hdr {

    ip_auth_hdr() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        Lib.C_CHAR.withName("nexthdr"),
        Lib.C_CHAR.withName("hdrlen"),
        Lib.C_SHORT.withName("reserved"),
        Lib.C_INT.withName("spi"),
        Lib.C_INT.withName("seq_no"),
        MemoryLayout.sequenceLayout(0, Lib.C_CHAR).withName("auth_data")
    ).withName("ip_auth_hdr");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final OfByte nexthdr$LAYOUT = (OfByte)$LAYOUT.select(groupElement("nexthdr"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __u8 nexthdr
     * }
     */
    public static final OfByte nexthdr$layout() {
        return nexthdr$LAYOUT;
    }

    private static final long nexthdr$OFFSET = 0;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __u8 nexthdr
     * }
     */
    public static final long nexthdr$offset() {
        return nexthdr$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __u8 nexthdr
     * }
     */
    public static byte nexthdr(MemorySegment struct) {
        return struct.get(nexthdr$LAYOUT, nexthdr$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __u8 nexthdr
     * }
     */
    public static void nexthdr(MemorySegment struct, byte fieldValue) {
        struct.set(nexthdr$LAYOUT, nexthdr$OFFSET, fieldValue);
    }

    private static final OfByte hdrlen$LAYOUT = (OfByte)$LAYOUT.select(groupElement("hdrlen"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __u8 hdrlen
     * }
     */
    public static final OfByte hdrlen$layout() {
        return hdrlen$LAYOUT;
    }

    private static final long hdrlen$OFFSET = 1;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __u8 hdrlen
     * }
     */
    public static final long hdrlen$offset() {
        return hdrlen$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __u8 hdrlen
     * }
     */
    public static byte hdrlen(MemorySegment struct) {
        return struct.get(hdrlen$LAYOUT, hdrlen$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __u8 hdrlen
     * }
     */
    public static void hdrlen(MemorySegment struct, byte fieldValue) {
        struct.set(hdrlen$LAYOUT, hdrlen$OFFSET, fieldValue);
    }

    private static final OfShort reserved$LAYOUT = (OfShort)$LAYOUT.select(groupElement("reserved"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __be16 reserved
     * }
     */
    public static final OfShort reserved$layout() {
        return reserved$LAYOUT;
    }

    private static final long reserved$OFFSET = 2;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __be16 reserved
     * }
     */
    public static final long reserved$offset() {
        return reserved$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __be16 reserved
     * }
     */
    public static short reserved(MemorySegment struct) {
        return struct.get(reserved$LAYOUT, reserved$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __be16 reserved
     * }
     */
    public static void reserved(MemorySegment struct, short fieldValue) {
        struct.set(reserved$LAYOUT, reserved$OFFSET, fieldValue);
    }

    private static final OfInt spi$LAYOUT = (OfInt)$LAYOUT.select(groupElement("spi"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __be32 spi
     * }
     */
    public static final OfInt spi$layout() {
        return spi$LAYOUT;
    }

    private static final long spi$OFFSET = 4;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __be32 spi
     * }
     */
    public static final long spi$offset() {
        return spi$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __be32 spi
     * }
     */
    public static int spi(MemorySegment struct) {
        return struct.get(spi$LAYOUT, spi$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __be32 spi
     * }
     */
    public static void spi(MemorySegment struct, int fieldValue) {
        struct.set(spi$LAYOUT, spi$OFFSET, fieldValue);
    }

    private static final OfInt seq_no$LAYOUT = (OfInt)$LAYOUT.select(groupElement("seq_no"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __be32 seq_no
     * }
     */
    public static final OfInt seq_no$layout() {
        return seq_no$LAYOUT;
    }

    private static final long seq_no$OFFSET = 8;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __be32 seq_no
     * }
     */
    public static final long seq_no$offset() {
        return seq_no$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __be32 seq_no
     * }
     */
    public static int seq_no(MemorySegment struct) {
        return struct.get(seq_no$LAYOUT, seq_no$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __be32 seq_no
     * }
     */
    public static void seq_no(MemorySegment struct, int fieldValue) {
        struct.set(seq_no$LAYOUT, seq_no$OFFSET, fieldValue);
    }

    private static final SequenceLayout auth_data$LAYOUT = (SequenceLayout)$LAYOUT.select(groupElement("auth_data"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __u8 auth_data[]
     * }
     */
    public static final SequenceLayout auth_data$layout() {
        return auth_data$LAYOUT;
    }

    private static final long auth_data$OFFSET = 12;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __u8 auth_data[]
     * }
     */
    public static final long auth_data$offset() {
        return auth_data$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __u8 auth_data[]
     * }
     */
    public static MemorySegment auth_data(MemorySegment struct) {
        return struct.asSlice(auth_data$OFFSET, auth_data$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __u8 auth_data[]
     * }
     */
    public static void auth_data(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, auth_data$OFFSET, auth_data$LAYOUT.byteSize());
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}