me.bechberger.ebpf.bpf.raw.bpf_prog_attach_opts Maven / Gradle / Ivy

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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 bpf_prog_attach_opts {
 *     size_t sz;
 *     __u32 flags;
 *     union {
 *         int replace_prog_fd;
 *         int replace_fd;
 *     };
 *     int relative_fd;
 *     __u32 relative_id;
 *     __u64 expected_revision;
 *     size_t : 0;
 * }
 * }
 */
public class bpf_prog_attach_opts {

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

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        Lib.C_LONG.withName("sz"),
        Lib.C_INT.withName("flags"),
        MemoryLayout.unionLayout(
            Lib.C_INT.withName("replace_prog_fd"),
            Lib.C_INT.withName("replace_fd")
        ).withName("$anon$339:2"),
        Lib.C_INT.withName("relative_fd"),
        Lib.C_INT.withName("relative_id"),
        Lib.C_LONG_LONG.withName("expected_revision")
    ).withName("bpf_prog_attach_opts");

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

    private static final OfLong sz$LAYOUT = (OfLong)$LAYOUT.select(groupElement("sz"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * size_t sz
     * }
     */
    public static final OfLong sz$layout() {
        return sz$LAYOUT;
    }

    private static final long sz$OFFSET = 0;

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

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

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

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

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __u32 flags
     * }
     */
    public static final OfInt flags$layout() {
        return flags$LAYOUT;
    }

    private static final long flags$OFFSET = 8;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __u32 flags
     * }
     */
    public static final long flags$offset() {
        return flags$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __u32 flags
     * }
     */
    public static int flags(MemorySegment struct) {
        return struct.get(flags$LAYOUT, flags$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __u32 flags
     * }
     */
    public static void flags(MemorySegment struct, int fieldValue) {
        struct.set(flags$LAYOUT, flags$OFFSET, fieldValue);
    }

    private static final OfInt replace_prog_fd$LAYOUT = (OfInt)$LAYOUT.select(groupElement("$anon$339:2"), groupElement("replace_prog_fd"));

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

    private static final long replace_prog_fd$OFFSET = 12;

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

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

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

    private static final OfInt replace_fd$LAYOUT = (OfInt)$LAYOUT.select(groupElement("$anon$339:2"), groupElement("replace_fd"));

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

    private static final long replace_fd$OFFSET = 12;

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

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

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

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

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

    private static final long relative_fd$OFFSET = 16;

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

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

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

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

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __u32 relative_id
     * }
     */
    public static final OfInt relative_id$layout() {
        return relative_id$LAYOUT;
    }

    private static final long relative_id$OFFSET = 20;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __u32 relative_id
     * }
     */
    public static final long relative_id$offset() {
        return relative_id$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __u32 relative_id
     * }
     */
    public static int relative_id(MemorySegment struct) {
        return struct.get(relative_id$LAYOUT, relative_id$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __u32 relative_id
     * }
     */
    public static void relative_id(MemorySegment struct, int fieldValue) {
        struct.set(relative_id$LAYOUT, relative_id$OFFSET, fieldValue);
    }

    private static final OfLong expected_revision$LAYOUT = (OfLong)$LAYOUT.select(groupElement("expected_revision"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __u64 expected_revision
     * }
     */
    public static final OfLong expected_revision$layout() {
        return expected_revision$LAYOUT;
    }

    private static final long expected_revision$OFFSET = 24;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __u64 expected_revision
     * }
     */
    public static final long expected_revision$offset() {
        return expected_revision$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __u64 expected_revision
     * }
     */
    public static long expected_revision(MemorySegment struct) {
        return struct.get(expected_revision$LAYOUT, expected_revision$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __u64 expected_revision
     * }
     */
    public static void expected_revision(MemorySegment struct, long fieldValue) {
        struct.set(expected_revision$LAYOUT, expected_revision$OFFSET, fieldValue);
    }

    /**
     * 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);
    }
}