swift-service-lifecycle

swift-service-lifecycle copied to clipboard

Provide async variant of `startAndWait`

1

Would be great to get an alternative to `startAndWait` for the `async` world that does not block the current thread but just suspends the current task.

FranzBusch

think about associated data when started

16

Manual state tracking has the advantage that you're able to associate data with a state. For example ```swift enum LifecycleState { case stopped case started(Channel) case stopping(Channel) } ``` migrating...

weissi

Add 'LifecycleCommand' integration with ArgumentParser

1

**Motivation:** Oftentimes when using ServiceLifecycle it's also beneficial to use 'ArgumentParser' to build a CLI for a server-side app, running as part of ServiceLifecycle. **Modifications:** A new 'LifecycleCommand' library target...

slashmo

Future idea: if @main lands and SPM supports it, offer an "entry point"?

6

The ongoing pitch https://forums.swift.org/t/main-type-based-program-execution/34624 introduces `@main` define-able entry points. It is also aimed for libraries to provide their patterns / entry points. It currently will NOT work with Swift Package...

ktoso

RFC: validate that only a single instance of ServiceLifecycle is created per process

1

motivation: having multiple instance of `ServiceLifecycle` generally points to a mistake, which we can help validate changes: add check in **init** to validate single instance alternatively, we may be less...

tomerd

Wait for availability of remote services before starting an application

2

When developing Swift services locally (macOS), I usually use Docker to run one or more databases. When quickly wanting to test on Linux, I use `docker-compose` to start both the...

slashmo

The current way of defining lifecycle tasks is simple and works well for single or two frameworks or libraries adding tasks. It gets complex if many libraries need to depend...

ktoso

should be allow specifying a DispatchQueue per registered item?

1

Often, sub-systems won't be thread-safe so we rely on start & stop being called from the same thread. That is achievable with `Configuration` however only per `Lifecycle` and not once...

weissi

Hello. As of release `v2.4.0`, please consider the following function from the public API. ``` public func cancelOnGracefulShutdown(_ operation: @Sendable @escaping () async throws -> T) async rethrows -> T?...

tannerdsilva

fix ambiguous use of init

1

The following code snippet emits an 'Ambigous use of init' error when using Swift Service Lifecycle v2.3.0: ```swift let config = ServiceGroupConfiguration( services: [], logger: logger ) ``` This problem...

tib