Skip to content

C# HTTP handlers - Module Bindings #5024

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
JasonAtClockwork wants to merge 5 commits into
base: phoebe/http-handlers-webhooks
Choose a base branch
from
Open

C# HTTP handlers - Module Bindings #5024

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
116ba60
Initial wiring for C# http handlers mirrored from Rust
JasonAtClockwork May 1, 2026
8e4a4a5
Cleaned up http handlers and added smoketests
JasonAtClockwork May 14, 2026
a30539f
Linting fixes
JasonAtClockwork May 14, 2026
1fedd88
Cleaned up mistaken use of discarding
JasonAtClockwork May 15, 2026
30a8263
Codegen test cleanup
JasonAtClockwork May 16, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion ...bindings-csharp/Codegen.Tests/fixtures/diag/snapshots/ExtraCompilationErrors.verified.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
}
},
{/*
SpacetimeDB.Internal.Module.RegisterTable<global::TestUniqueNotEquatable, SpacetimeDB.Internal.TableHandles.TestUniqueNotEquatable>();
SpacetimeDB.Internal.Module.RegisterClientVisibilityFilter(global::Module.MY_FILTER);
^^^^^^^^^
SpacetimeDB.Internal.Module.RegisterClientVisibilityFilter(global::Module.MY_FOURTH_FILTER);
Expand Down
73 changes: 73 additions & 0 deletions crates/bindings-csharp/Codegen.Tests/fixtures/diag/snapshots/Module#FFI.verified.cs
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

72 changes: 72 additions & 0 deletions crates/bindings-csharp/Codegen.Tests/fixtures/explicitnames/snapshots/Module#FFI.verified.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,8 @@ public readonly partial struct QueryBuilder
new("DemoTable", new DemoTableCols("DemoTable"), new DemoTableIxCols("DemoTable"));
}

public static class Handlers { }

public sealed record ReducerContext : DbContext<Local>, Internal.IReducerContext
{
public readonly Identity Sender;
Expand Down Expand Up @@ -206,6 +208,46 @@ public Uuid NewUuidV7()
}
}

public sealed partial class HandlerContext : global::SpacetimeDB.HandlerContextBase
{
private readonly Local _db = new();

internal HandlerContext(Random random, Timestamp time)
: base(random, time) { }

protected override global::SpacetimeDB.LocalBase CreateLocal() => _db;

protected override global::SpacetimeDB.HandlerTxContextBase CreateTxContext(
Internal.TxContext inner
) => _cached ??= new HandlerTxContext(inner);

private HandlerTxContext? _cached;

[Experimental("STDB_UNSTABLE")]
public TResult WithTx<TResult>(Func<HandlerTxContext, TResult> body) =>
base.WithTx(tx => body((HandlerTxContext)tx));

[Experimental("STDB_UNSTABLE")]
public TxOutcome<TResult> TryWithTx<TResult, TError>(
Func<HandlerTxContext, Result<TResult, TError>> body
)
where TError : Exception => base.TryWithTx(tx => body((HandlerTxContext)tx));

public Uuid NewUuidV4()
{
var bytes = new byte[16];
Rng.NextBytes(bytes);
return Uuid.FromRandomBytesV4(bytes);
}

public Uuid NewUuidV7()
{
var bytes = new byte[4];
Rng.NextBytes(bytes);
return Uuid.FromCounterV7(ref CounterUuid, Timestamp, bytes);
}
}

[Experimental("STDB_UNSTABLE")]
public sealed class ProcedureTxContext : global::SpacetimeDB.ProcedureTxContextBase
{
Expand All @@ -215,6 +257,15 @@ internal ProcedureTxContext(Internal.TxContext inner)
public new Local Db => (Local)base.Db;
}

[Experimental("STDB_UNSTABLE")]
public sealed class HandlerTxContext : global::SpacetimeDB.HandlerTxContextBase
{
internal HandlerTxContext(Internal.TxContext inner)
: base(inner) { }

public new Local Db => (Local)base.Db;
}

public sealed class Local : global::SpacetimeDB.LocalBase
{
public global::SpacetimeDB.Internal.TableHandles.DemoTable DemoTable => new();
Expand Down Expand Up @@ -556,6 +607,9 @@ public static void Main()
"canonical_index"
);

SpacetimeDB.Internal.Module.SetHandlerContextConstructor(
(random, time) => new SpacetimeDB.HandlerContext(random, time)
);
var __memoryStream = new MemoryStream();
var __writer = new BinaryWriter(__memoryStream);

Expand Down Expand Up @@ -631,6 +685,24 @@ SpacetimeDB.Internal.BytesSink result_sink
result_sink
);

[UnmanagedCallersOnly(EntryPoint = "__call_http_handler__")]
public static SpacetimeDB.Internal.Errno __call_http_handler__(
uint id,
SpacetimeDB.Timestamp timestamp,
SpacetimeDB.Internal.BytesSource request,
SpacetimeDB.Internal.BytesSource request_body,
SpacetimeDB.Internal.BytesSink response_sink,
SpacetimeDB.Internal.BytesSink response_body_sink
) =>
SpacetimeDB.Internal.Module.__call_http_handler__(
id,
timestamp,
request,
request_body,
response_sink,
response_body_sink
);

[UnmanagedCallersOnly(EntryPoint = "__call_view__")]
public static SpacetimeDB.Internal.Errno __call_view__(
uint id,
Expand Down
73 changes: 73 additions & 0 deletions crates/bindings-csharp/Codegen.Tests/fixtures/server/snapshots/Module#FFI.verified.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -489,6 +489,8 @@ public readonly partial struct QueryBuilder
);
}

public static class Handlers { }

public sealed record ReducerContext : DbContext<Local>, Internal.IReducerContext
{
public readonly Identity Sender;
Expand Down Expand Up @@ -648,6 +650,46 @@ public Uuid NewUuidV7()
}
}

public sealed partial class HandlerContext : global::SpacetimeDB.HandlerContextBase
{
private readonly Local _db = new();

internal HandlerContext(Random random, Timestamp time)
: base(random, time) { }

protected override global::SpacetimeDB.LocalBase CreateLocal() => _db;

protected override global::SpacetimeDB.HandlerTxContextBase CreateTxContext(
Internal.TxContext inner
) => _cached ??= new HandlerTxContext(inner);

private HandlerTxContext? _cached;

[Experimental("STDB_UNSTABLE")]
public TResult WithTx<TResult>(Func<HandlerTxContext, TResult> body) =>
base.WithTx(tx => body((HandlerTxContext)tx));

[Experimental("STDB_UNSTABLE")]
public TxOutcome<TResult> TryWithTx<TResult, TError>(
Func<HandlerTxContext, Result<TResult, TError>> body
)
where TError : Exception => base.TryWithTx(tx => body((HandlerTxContext)tx));

public Uuid NewUuidV4()
{
var bytes = new byte[16];
Rng.NextBytes(bytes);
return Uuid.FromRandomBytesV4(bytes);
}

public Uuid NewUuidV7()
{
var bytes = new byte[4];
Rng.NextBytes(bytes);
return Uuid.FromCounterV7(ref CounterUuid, Timestamp, bytes);
}
}

[Experimental("STDB_UNSTABLE")]
public sealed class ProcedureTxContext : global::SpacetimeDB.ProcedureTxContextBase
{
Expand All @@ -657,6 +699,15 @@ internal ProcedureTxContext(Internal.TxContext inner)
public new Local Db => (Local)base.Db;
}

[Experimental("STDB_UNSTABLE")]
public sealed class HandlerTxContext : global::SpacetimeDB.HandlerTxContextBase
{
internal HandlerTxContext(Internal.TxContext inner)
: base(inner) { }

public new Local Db => (Local)base.Db;
}

public sealed class Local : global::SpacetimeDB.LocalBase
{
internal global::SpacetimeDB.Internal.TableHandles.BTreeMultiColumn BTreeMultiColumn =>
Expand Down Expand Up @@ -2446,6 +2497,9 @@ public static void Main()
(identity, connectionId, random, time) =>
new SpacetimeDB.ProcedureContext(identity, connectionId, random, time)
);
SpacetimeDB.Internal.Module.SetHandlerContextConstructor(
(random, time) => new SpacetimeDB.HandlerContext(random, time)
);
var __memoryStream = new MemoryStream();
var __writer = new BinaryWriter(__memoryStream);

Expand Down Expand Up @@ -2495,6 +2549,7 @@ public static void Main()
global::Timers.SendMessageTimer,
SpacetimeDB.Internal.TableHandles.SendMessageTimer
>();

SpacetimeDB.Internal.Module.RegisterClientVisibilityFilter(
global::Module.ALL_PUBLIC_TABLES
);
Expand Down Expand Up @@ -2558,6 +2613,24 @@ SpacetimeDB.Internal.BytesSink result_sink
result_sink
);

[UnmanagedCallersOnly(EntryPoint = "__call_http_handler__")]
public static SpacetimeDB.Internal.Errno __call_http_handler__(
uint id,
SpacetimeDB.Timestamp timestamp,
SpacetimeDB.Internal.BytesSource request,
SpacetimeDB.Internal.BytesSource request_body,
SpacetimeDB.Internal.BytesSink response_sink,
SpacetimeDB.Internal.BytesSink response_body_sink
) =>
SpacetimeDB.Internal.Module.__call_http_handler__(
id,
timestamp,
request,
request_body,
response_sink,
response_body_sink
);

[UnmanagedCallersOnly(EntryPoint = "__call_view__")]
public static SpacetimeDB.Internal.Errno __call_view__(
uint id,
Expand Down
Loading
Loading