tiny.trace.store.format

1pub const Header = struct {2    format_version: u32,3    status_closed: bool,4    limits: Limits,5    chunk_count: u64,6    event_count: u64,7    event_bytes: u64,8    event_checksum: u64,9    block_count: u64,10    block_bytes: u64,11};

1pub const manifest_path = "manifest.json";

1pub const max_manifest_bytes: usize = 64 * 1024;

1pub const max_relative_path_bytes: usize = @max(2    @max(manifest_path.len, "manifest.pending".len),3    @max(database.file_name.len, database.wal_file_name.len),4);

1pub fn newHasher() std.hash.Wyhash {2    return std.hash.Wyhash.init(checksum_seed);3}

1pub fn writeManifest(2    manifest: Manifest,3    manifest_path_value: []const u8,4    pending_path: []const u8,5    manifest_buffer: []u8,6    file_buffer: []u8,7) !void {8    var manifest_writer = std.Io.Writer.fixed(manifest_buffer);9    manifest.writeJson(&manifest_writer) catch return error.TraceManifestTooLarge;10    var file = try sys.fs.createFile(pending_path, .{ .truncate = true });11    var file_open = true;12    defer if (file_open) file.close(sys.fs.debugIo());13    var writer = file.writer(sys.fs.debugIo(), file_buffer);14    try writer.interface.writeAll(manifest_writer.buffered());15    try writer.interface.flush();16    try file.sync(sys.fs.debugIo());17    file.close(sys.fs.debugIo());18    file_open = false;19    try sys.fs.rename(pending_path, manifest_path_value);20}

1pub const block = @import("block.zig");2pub const codec = @import("codec.zig");3pub const database = @import("database.zig");4const manifest = @import("manifest.zig");56pub const manifest_path = manifest.manifest_path;7pub const max_manifest_bytes = manifest.max_manifest_bytes;8pub const max_relative_path_bytes = manifest.max_relative_path_bytes;9pub const Limits = manifest.Limits;10pub const Manifest = manifest.Manifest;11pub const Header = manifest.Header;12pub const writeManifest = manifest.writeManifest;13pub const newHasher = manifest.newHasher;

1pub const format = @import("format/root.zig");