Basic Reducer functionality
This commit is contained in:
ookami125
parent
46a832ce42
commit
cb2145b882
6 changed files with 628 additions and 445 deletions
574
src/main.zig
574
src/main.zig
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@ -1,426 +1,102 @@
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const std = @import("std");
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const spacetime = @import("spacetime.zig");
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//extern "spacetime_10.0"
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pub fn console_log(
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level: u8,
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target_ptr: [*c]const u8,
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target_len: usize,
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filename_ptr: [*c]const u8,
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filename_len: usize,
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line_number: u32,
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message_ptr: [*c]const u8,
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message_len: usize,
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) void {
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_ = level;
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_ = target_ptr;
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_ = target_len;
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_ = filename_ptr;
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_ = filename_len;
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_ = line_number;
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_ = message_ptr;
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_ = message_len;
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const reducers = spacetime.parse_reducers(@This());
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pub fn print(fmt: []const u8) void {
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spacetime.console_log(2, null, 0, null, 0, 0, fmt.ptr, fmt.len);
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}
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const BytesSink = extern struct { inner: u32 };
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const BytesSource = extern struct { inner: u32 };
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//extern "spacetime_10.0"
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pub fn bytes_sink_write(sink: BytesSink, buffer_ptr: [*c]const u8, buffer_len_ptr: *usize) u16 {
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_ = sink;
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_ = buffer_ptr;
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_ = buffer_len_ptr;
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return 0;
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}
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const NO_SUCH_BYTES = 8;
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const NO_SPACE = 9;
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fn write_to_sink(sink: BytesSink, _buf: []const u8) void {
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var buf: []const u8 = _buf;
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while(true) {
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const len: *usize = &buf.len;
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switch(bytes_sink_write(sink, buf.ptr, len)) {
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0 => {
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// Set `buf` to remainder and bail if it's empty.
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buf = buf[len.*..];
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if(buf.len == 0) {
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break;
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const moduleDef: spacetime.RawModuleDefV9 = .{
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.typespace = .{
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.types = &[_]spacetime.AlgebraicType{
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.{
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.Product = .{
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.elements = &[_]spacetime.ProductTypeElement{
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.{
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.name = "name",
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.algebraic_type = .String,
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}
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}
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}
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},
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NO_SUCH_BYTES => @panic("invalid sink passed"),
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NO_SPACE => @panic("no space left at sink"),
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else => unreachable,
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},
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},
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.tables = &[_]spacetime.RawTableDefV9{
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.{
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.name = "person",
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.product_type_ref = .{ .inner = 0, },
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.primary_key = &[_]u16{},
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.indexes = &[_]spacetime.RawIndexDefV9{},
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.constraints = &[_]spacetime.RawConstraintDefV9{},
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.sequences = &[_]spacetime.RawSequenceDefV9{},
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.schedule = null,
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.table_type = .User,
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.table_access = .Private,
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}
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}
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}
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//pub const ReducerFn = fn(ReducerContext, []u8) ReducerResult;
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pub const SumTypeVariant = struct {
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name: ?*[]u8,
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algebraic_type: AlgebraicType,
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},
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.reducers = reducers,
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//&[_]spacetime.RawReducerDefV9{
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//.{
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// .name = "add",
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// .params = .{
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// .elements = &[_]spacetime.ProductTypeElement{
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// .{
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// .name = "name",
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// .algebraic_type = .String,
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// }
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// }
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// },
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// .lifecycle = null,
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//},
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//.{
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// .name = "identity_connected",
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// .params = .{ .elements = &[_]spacetime.ProductTypeElement{} },
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// .lifecycle = .OnConnect,
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//},
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//.{
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// .name = "identity_disconnected",
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// .params = .{ .elements = &[_]spacetime.ProductTypeElement{} },
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// .lifecycle = .OnDisconnect,
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//},
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//.{
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// .name = "init",
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// .params = .{ .elements = &[_]spacetime.ProductTypeElement{} },
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// .lifecycle = .Init,
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//},
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//.{
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// .name = "say_hello",
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// .params = .{ .elements = &[_]spacetime.ProductTypeElement{} },
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// .lifecycle = null,
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//}
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//},
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.types = &[_]spacetime.RawTypeDefV9{
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.{
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.name = .{
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.scope = &[_][]u8{},
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.name = "Person"
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},
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.ty = .{ .inner = 0, },
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.custom_ordering = true,
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}
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},
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.misc_exports = &[_]spacetime.RawMiscModuleExportV9{},
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.row_level_security = &[_]spacetime.RawRowLevelSecurityDefV9{},
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};
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pub const SumType = struct {
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variants: []SumTypeVariant,
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};
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pub const ArrayType = struct {
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/// The base type every element of the array has.
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elem_ty: []AlgebraicType,
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};
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pub const AlgebraicType = union(enum) {
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Ref: AlgebraicTypeRef,
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Sum: SumType,
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Product: ProductType,
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Array: ArrayType,
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String: []u8,
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Bool: bool,
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I8: i8,
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U8: u8,
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I16: i16,
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U16: u16,
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I32: i32,
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U32: u32,
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I64: i64,
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U64: u64,
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I128: i128,
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U128: u128,
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I256: i256,
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U256: u256,
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F32: f32,
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F64: f64,
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};
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pub const Typespace = struct {
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types: []AlgebraicType,
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};
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pub const RawIdentifier = *[*c]u8;
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pub const AlgebraicTypeRef = struct {
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inner: u32,
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};
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pub const RawIndexAlgorithm = union {
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BTree: []u16,
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Hash: []u16,
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Direct: u16,
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};
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pub const RawIndexDefV9 = struct {
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name: ?[]u8,
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accessor_name: ?[]u8,
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algorithm: RawIndexAlgorithm,
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};
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pub const RawUniqueConstraintDataV9 = union {
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Columns: u16,
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};
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pub const RawConstraintDataV9 = union {
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unique: RawUniqueConstraintDataV9,
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};
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pub const RawConstraintDefV9 = struct {
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name: ?[]u8,
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data: RawConstraintDataV9
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};
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pub const RawSequenceDefV9 = struct {
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Name: ?[]u8,
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Column: u16,
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Start: ?i128,
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MinValue: ?i128,
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MaxValue: ?i128,
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Increment: i128
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};
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pub const RawScheduleDefV9 = struct {
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Name: ?[]u8,
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ReducerName: []u8,
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ScheduledAtColumn: u16
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};
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pub const TableType = enum {
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System,
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User,
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};
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pub const TableAccess = enum {
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Public,
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Private,
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};
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pub const RawTableDefV9 = struct {
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name: RawIdentifier,
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product_type_ref: AlgebraicTypeRef,
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primary_key: []u16,
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indexes: []RawIndexDefV9,
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constraints: []RawConstraintDefV9,
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sequences: []RawSequenceDefV9,
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schedule: ?RawScheduleDefV9,
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table_type: TableType,
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table_access: TableAccess,
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};
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pub const ProductTypeElement = struct {
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name: ?*[]u8,
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algebraic_type: AlgebraicType,
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};
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pub const ProductType = struct {
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elements: []ProductTypeElement,
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};
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pub const Lifecycle = enum {
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Init,
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OnConnect,
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OnDisconnect,
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};
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pub const RawReducerDefV9 = struct{
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name: RawIdentifier,
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params: ProductType,
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lifecycle: ?Lifecycle,
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};
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pub const RawScopedTypeNameV9 = struct {
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scope: [][]u8,
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name: []u8,
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};
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pub const RawTypeDefV9 = struct {
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name: RawScopedTypeNameV9,
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ty: AlgebraicTypeRef,
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custom_ordering: bool,
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};
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pub const RawMiscModuleExportV9 = enum {};
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pub const RawSql = *[*c]u8;
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pub const RawRowLevelSecurityDefV9 = struct {
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sql: RawSql,
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};
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pub const RawModuleDefV9 = struct {
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typespace: Typespace,
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tables: []RawTableDefV9,
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reducers: []RawReducerDefV9,
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types: []RawTypeDefV9,
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misc_exports: []RawMiscModuleExportV9,
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row_level_security: []RawRowLevelSecurityDefV9,
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};
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// V9(
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// RawModuleDefV9 {
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// typespace: Typespace [
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// Product(
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// ProductType {
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// "name": String,
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// },
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// ),
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// ],
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// tables: [
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// RawTableDefV9 {
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// name: "person",
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// product_type_ref: AlgebraicTypeRef(
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// 0,
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// ),
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// primary_key: [],
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// indexes: [],
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// constraints: [],
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// sequences: [],
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// schedule: None,
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// table_type: User,
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// table_access: Private,
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// },
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// ],
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// reducers: [
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// RawReducerDefV9 {
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// name: "add",
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// params: ProductType {
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// "name": String,
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// },
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// lifecycle: None,
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// },
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// RawReducerDefV9 {
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// name: "identity_connected",
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// params: ProductType {},
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// lifecycle: Some(
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// OnConnect,
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// ),
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// },
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// RawReducerDefV9 {
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// name: "identity_disconnected",
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// params: ProductType {},
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// lifecycle: Some(
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// OnDisconnect,
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// ),
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// },
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// RawReducerDefV9 {
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// name: "init",
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// params: ProductType {},
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// lifecycle: Some(
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// Init,
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// ),
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// },
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// RawReducerDefV9 {
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// name: "say_hello",
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// params: ProductType {},
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// lifecycle: None,
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// },
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// ],
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// types: [
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// RawTypeDefV9 {
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// name: "Person",
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// ty: AlgebraicTypeRef(
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// 0,
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// ),
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// custom_ordering: true,
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// },
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// ],
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// misc_exports: [],
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// row_level_security: [],
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// },
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// )
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const bytes = [_]u8{
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1, //VP9
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1, 0, 0, 0, //Typespace.types.len
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2, //Typespace.types[0].tag(Product)
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1, 0, 0, 0, //Typespace.types[0].tag(Product).elements.len
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0, // optional?
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4, 0, 0, 0, //Typespace.types[0].tag(Product).elements[0].name.len
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110, 97, 109, 101, //Typespace.types[0].tag(Product).elements[0].name[0..4] "name"
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4, //Typespace.types[0].tag(Product).elements[0].algebraic_type(String)
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1, 0, 0, 0, //Typespace.types[0].tag(Product).elements[0].algebraic_type(String).len
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export fn __describe_module__(description: spacetime.BytesSink) void {
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const allocator = std.heap.wasm_allocator;
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print("Hello from Zig!");
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6, 0, 0, 0, //tables[0].name.len
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112, 101, 114, 115, 111, 110, //tables[0].name "person"
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0,
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1,
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1,
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1,
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5, 0, 0, 0,
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3, 0, 0, 0,
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97, 100, 100,
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1, 0, 0, 0,
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0,
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4, 0, 0, 0,
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110, 97, 109, 101,
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4,
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1,
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18, 0, 0, 0,
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105, 100, 101, 110, 116, 105, 116, 121, 95, 99, 111, 110, 110, 101, 99, 116, 101, 100,
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0, 0, 0, 0,
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0,
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1,
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21, 0, 0, 0,
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105, 100, 101, 110, 116, 105, 116, 121, 95, 100, 105, 115, 99, 111, 110, 110, 101, 99, 116, 101, 100,
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0, 0, 0, 0,
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0,
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2,
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4, 0, 0, 0,
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105, 110, 105, 116,
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0, 0, 0, 0,
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0,
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0,
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9, 0, 0, 0,
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115, 97, 121, 95, 104, 101, 108, 108, 111,
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0, 0, 0, 0,
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1,
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1,
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0, 0, 0, 0,
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0, 0, 0,
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6, 0, 0, 0,
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80, 101, 114, 115, 111, 110,
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0, 0, 0, 0,
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1, 0, 0, 0,
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0, 0, 0, 0,
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0
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};
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var moduleDefBytes = std.ArrayList(u8).init(allocator);
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defer moduleDefBytes.deinit();
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pub fn print(comptime fmt: []const u8) void {
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console_log(0, null, 0, null, 0, 0, fmt.ptr, fmt.len);
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}
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spacetime.serialize_module(&moduleDefBytes, moduleDef) catch {
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print("Allocator Error: Cannot continue!");
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@panic("Allocator Error: Cannot continue!");
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};
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pub fn module_write(val: anytype) void {
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switch(@TypeOf(val)) {
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RawModuleDefV9 => {
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std.debug.print("{{ 1 }},\n", .{});
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module_write(val.typespace);
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},
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Typespace => {
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std.debug.print("{any},\n", .{std.mem.toBytes(@as(u32, @intCast(val.types.len)))});
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for(val.types) |_type| {
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module_write(_type);
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}
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},
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AlgebraicType => {
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switch(val) {
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AlgebraicType.String => |string| {
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std.debug.print("{any},\n", .{string});
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},
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AlgebraicType.Product => |product| {
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module_write(product);
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},
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else => std.debug.print("{any},\n", .{val}),
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}
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},
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ProductType => {
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std.debug.print("{any},\n", .{std.mem.toBytes(@as(u32, @intCast(val.elements.len)))});
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for(val.elements) |element| {
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module_write(element);
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}
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},
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ProductTypeElement => {
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if(val.name == null) {
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std.debug.print("{{ 1 }},\n", .{});
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} else {
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std.debug.print("{{ 0 }},\n", .{});
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std.debug.print("{any},\n", .{val.name});
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}
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module_write(val.algebraic_type);
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},
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else => |v| @compileLog(v, val),
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}
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}
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test {
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const moduleDef: RawModuleDefV9 = std.mem.zeroes(RawModuleDefV9);
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module_write(moduleDef);
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}
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export fn __describe_module__(description: BytesSink) void {
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console_log(0, null, 0, null, 0, 0, "Hello from Zig!", 15);
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const moduleDef: RawModuleDefV9 = std.mem.zeroes(RawModuleDefV9);
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//moduleDef.
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// We need this explicit cast here to make `ToBytes` understand the types correctly.
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//RawModuleDef versioned = new RawModuleDef.V9(moduleDef);
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//var moduleBytes = IStructuralReadWrite.ToBytes(new RawModuleDef.BSATN(), versioned);
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//description.Write(moduleBytes);
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module_write(moduleDef);
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write_to_sink(description, &bytes);
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spacetime.write_to_sink(description, moduleDefBytes.items);
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}
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export fn __call_reducer__(
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|
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@ -432,41 +108,59 @@ export fn __call_reducer__(
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conn_id_0: u64,
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conn_id_1: u64,
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timestamp: u64,
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args: BytesSource,
|
||||
err: BytesSink,
|
||||
args: spacetime.BytesSource,
|
||||
err: spacetime.BytesSink,
|
||||
) i16 {
|
||||
_ = id;
|
||||
_ = sender_0;
|
||||
_ = sender_1;
|
||||
_ = sender_2;
|
||||
_ = sender_3;
|
||||
_ = conn_id_0;
|
||||
_ = conn_id_1;
|
||||
_ = timestamp;
|
||||
_ = args;
|
||||
_ = err;
|
||||
const allocator = std.heap.wasm_allocator;
|
||||
|
||||
print(std.fmt.allocPrint(allocator, "id: {}", .{id}) catch "id: err");
|
||||
print(std.fmt.allocPrint(allocator, "sender_0: {}", .{sender_0}) catch "sender_0: err");
|
||||
print(std.fmt.allocPrint(allocator, "sender_1: {}", .{sender_1}) catch "sender_1: err");
|
||||
print(std.fmt.allocPrint(allocator, "sender_2: {}", .{sender_2}) catch "sender_2: err");
|
||||
print(std.fmt.allocPrint(allocator, "sender_3: {}", .{sender_3}) catch "sender_3: err");
|
||||
print(std.fmt.allocPrint(allocator, "conn_id_0: {}", .{conn_id_0}) catch "conn_id_0: err");
|
||||
print(std.fmt.allocPrint(allocator, "conn_id_1: {}", .{conn_id_1}) catch "conn_id_1: err");
|
||||
print(std.fmt.allocPrint(allocator, "timestamp: {}", .{timestamp}) catch "timestamp: err");
|
||||
print(std.fmt.allocPrint(allocator, "args: {}", .{args}) catch "args: err");
|
||||
print(std.fmt.allocPrint(allocator, "err: {}", .{err}) catch "err: err");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
const ReducerContext = anyopaque;
|
||||
pub const Person = struct{
|
||||
name: []u8,
|
||||
};
|
||||
|
||||
var module: RawModuleDefV9 = .{};
|
||||
|
||||
const ReducerFn = fn(*ReducerContext) void;
|
||||
|
||||
comptime {
|
||||
for(@typeInfo(@This()).@"struct".decls) |decl| {
|
||||
const field = @field(@This(), decl.name);
|
||||
if(@typeInfo(@TypeOf(field)) != .@"fn") continue;
|
||||
if(@TypeOf(field) != ReducerFn) continue;
|
||||
|
||||
@compileLog(.{field});
|
||||
}
|
||||
}
|
||||
|
||||
pub fn init(_ctx: *ReducerContext) void {
|
||||
pub fn Init(_ctx: *spacetime.ReducerContext) void {
|
||||
// Called when the module is initially published
|
||||
_ = _ctx;
|
||||
console_log(0, null, 0, null, 0, 0, "Hello, init!", 12);
|
||||
print("Hello, Init!");
|
||||
}
|
||||
|
||||
pub fn OnConnect(_ctx: *spacetime.ReducerContext) void {
|
||||
// Called everytime a new client connects
|
||||
_ = _ctx;
|
||||
print("Hello, OnConnect!");
|
||||
}
|
||||
|
||||
pub fn OnDisconnect(_ctx: *spacetime.ReducerContext) void {
|
||||
// Called everytime a client disconnects
|
||||
_ = _ctx;
|
||||
print("Hello, OnDisconnect!");
|
||||
}
|
||||
|
||||
pub fn add(_ctx: *spacetime.ReducerContext, name: []u8) void {
|
||||
_ = _ctx;
|
||||
_ = name;
|
||||
//ctx.db.person().insert(Person { name });
|
||||
}
|
||||
|
||||
//#[spacetimedb::reducer]
|
||||
pub fn say_hello(_ctx: *spacetime.ReducerContext) void {
|
||||
//for person in ctx.db.person().iter() {
|
||||
// log::info!("Hello, {}!", person.name);
|
||||
//}
|
||||
//log::info!("Hello, World!");
|
||||
_ = _ctx;
|
||||
print("Hello, World!");
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue