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

Go to download
Show more of this group Show more artifacts with this name
Show all versions of rawbpf Show documentation
Raw Panama bindings for libbpf generated for jextract on 64-bit Linux
The newest version!
// 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 tpacket_req {
 *     unsigned int tp_block_size;
 *     unsigned int tp_block_nr;
 *     unsigned int tp_frame_size;
 *     unsigned int tp_frame_nr;
 * }
 * }
 */
public class tpacket_req {

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

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        Lib.C_INT.withName("tp_block_size"),
        Lib.C_INT.withName("tp_block_nr"),
        Lib.C_INT.withName("tp_frame_size"),
        Lib.C_INT.withName("tp_frame_nr")
    ).withName("tpacket_req");

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

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

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

    private static final long tp_block_size$OFFSET = 0;

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

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

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

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

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

    private static final long tp_block_nr$OFFSET = 4;

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

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

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

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

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

    private static final long tp_frame_size$OFFSET = 8;

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

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

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

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

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

    private static final long tp_frame_nr$OFFSET = 12;

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

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

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