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Reviewer's GuideThis PR refactors the preamble handling to support asynchronous success callbacks that can write to the TCP stream before handing off the connection, adds test helpers and fixtures for brevity, and updates documentation and tests to cover and illustrate the new behavior. Sequence diagram for async preamble success callback with stream responsesequenceDiagram
participant Client
participant PreambleDecoder
participant Server
participant SuccessCallback
participant WireframeApp
Client->>PreambleDecoder: Send preamble
PreambleDecoder-->>Server: Decoded preamble (T)
Server->>SuccessCallback: Invoke with preamble data & TcpStream
SuccessCallback-->>Client: Optional response (write to stream)
SuccessCallback-->>Server: Return (async complete)
Server->>WireframeApp: Hand off connection
WireframeApp-->>Client: Application protocol begins
Class diagram for updated PreambleCallback typeclassDiagram
class PreambleCallback {
+Fn(&T, &mut TcpStream) -> BoxFuture<io::Result<()>>
}
class WireframeServer {
+on_preamble_decode_success(handler)
+on_preamble_decode_failure(handler)
on_preamble_success: Option<PreambleCallback<T>>
}
WireframeServer --> PreambleCallback : uses
File-Level Changes
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Important Review skippedAuto incremental reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the You can disable this status message by setting the WalkthroughThe preamble success callback in the server was changed from a synchronous function to an asynchronous one, now receiving both the decoded preamble and a mutable TCP stream, enabling async I/O before handing off the connection. Documentation, server logic, and tests were updated to reflect and exercise this new async callback capability. Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant Server
participant SuccessCallback
participant WireframeApp
Client->>Server: Connect and send preamble
Server->>Server: Decode preamble
alt Decode success
Server->>SuccessCallback: Call async with (preamble, &mut TcpStream)
SuccessCallback->>Client: (optional) Write handshake response
SuccessCallback-->>Server: Return
Server->>WireframeApp: Hand off connection
else Decode failure
Server->>Client: Close connection
end
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Gates Failed
(1 hotspot with Code Duplication)
(1 file with Code Duplication)
Gates Passed
See analysis details in CodeScene
Reason for failure
| Prevent hotspot decline | Violations | Code Health Impact | |
|---|---|---|---|
| preamble.rs | 1 rule in this hotspot | 10.00 → 9.39 | Suppress |
| Enforce advisory code health rules | Violations | Code Health Impact | |
|---|---|---|---|
| preamble.rs | 1 advisory rule | 10.00 → 9.39 | Suppress |
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Summary
Testing
make lintmake testhttps://chatgpt.com/codex/tasks/task_e_685729a4c1748322a90aa31ac01264ff
Summary by Sourcery
Enable asynchronous preamble success callbacks to send responses on the stream before handing off connections and update related tests and documentation.
Enhancements:
Documentation:
Tests:
Summary by CodeRabbit