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TypedSession

pg_proto::grammar::pre_startup

Struct TypedSession 

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pub struct TypedSession<Transport, Phase, Cleanliness = ()> { /* private fields */ }
Expand description

Transport-carrying typestate for this protocol role.

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impl<Transport, SourceCleanliness> TypedSession<Transport, PreStartup, SourceCleanliness>

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pub fn project_internal_message( self, message: PreStartupInternalMessage, ) -> PreStartupInternalProjection<Transport, SourceCleanliness>

Projects one PreStartupInternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, PreStartup, SourceCleanliness>

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pub fn project_external_message( self, message: PreStartupExternalMessage, ) -> PreStartupExternalProjection<Transport, SourceCleanliness>

Projects one PreStartupExternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, AwaitingSslReply, SourceCleanliness>

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pub fn project_internal_message( self, message: AwaitingSslReplyInternalMessage, ) -> AwaitingSslReplyInternalProjection<Transport, SourceCleanliness>

Projects one AwaitingSslReplyInternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, AwaitingSslReply, SourceCleanliness>

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pub fn project_external_message( self, message: AwaitingSslReplyExternalMessage, ) -> AwaitingSslReplyExternalProjection<Transport, SourceCleanliness>

Projects one AwaitingSslReplyExternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, AwaitingGssReply, SourceCleanliness>

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pub fn project_internal_message( self, message: AwaitingGssReplyInternalMessage, ) -> AwaitingGssReplyInternalProjection<Transport, SourceCleanliness>

Projects one AwaitingGssReplyInternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, AwaitingGssReply, SourceCleanliness>

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pub fn project_external_message( self, message: AwaitingGssReplyExternalMessage, ) -> AwaitingGssReplyExternalProjection<Transport, SourceCleanliness>

Projects one AwaitingGssReplyExternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, TlsHandshake, SourceCleanliness>

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pub fn project_internal_message( self, message: TlsHandshakeInternalMessage, ) -> TlsHandshakeInternalProjection<Transport, SourceCleanliness>

Projects one TlsHandshakeInternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, TlsHandshake, SourceCleanliness>

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pub fn project_external_message( self, message: TlsHandshakeExternalMessage, ) -> TlsHandshakeExternalProjection<Transport, SourceCleanliness>

Projects one TlsHandshakeExternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, GssHandshake, SourceCleanliness>

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pub fn project_internal_message( self, message: GssHandshakeInternalMessage, ) -> GssHandshakeInternalProjection<Transport, SourceCleanliness>

Projects one GssHandshakeInternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, GssHandshake, SourceCleanliness>

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pub fn project_external_message( self, message: GssHandshakeExternalMessage, ) -> GssHandshakeExternalProjection<Transport, SourceCleanliness>

Projects one GssHandshakeExternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, Auth, SourceCleanliness>

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pub fn project_internal_message( self, message: AuthInternalMessage, ) -> AuthInternalProjection<Transport, SourceCleanliness>

Projects one AuthInternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, Auth, SourceCleanliness>

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pub fn project_external_message( self, message: AuthExternalMessage, ) -> AuthExternalProjection<Transport, SourceCleanliness>

Projects one AuthExternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, Terminated, SourceCleanliness>

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pub fn project_internal_message( self, message: TerminatedInternalMessage, ) -> TerminatedInternalProjection<Transport, SourceCleanliness>

Projects one TerminatedInternalMessage into its message-selected next connection.

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impl<Transport, SourceCleanliness> TypedSession<Transport, Terminated, SourceCleanliness>

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pub fn project_external_message( self, message: TerminatedExternalMessage, ) -> TerminatedExternalProjection<Transport, SourceCleanliness>

Projects one TerminatedExternalMessage into its message-selected next connection.

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impl<Transport, Cleanliness> TypedSession<Transport, PreStartup, Cleanliness>

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pub const fn with_transport(transport: Transport) -> Self

Attaches transport to a session in the initial phase.

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impl<Transport, Phase, Cleanliness> TypedSession<Transport, Phase, Cleanliness>

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pub fn map_transport<Next>( self, map: impl FnOnce(Transport) -> Next, ) -> TypedSession<Next, Phase, Cleanliness>

Replaces the transport representation without changing protocol indices.

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pub fn into_transport(self) -> Transport

Deliberately leaves the generated typestate API and returns its transport.

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impl<Transport, Cleanliness> TypedSession<Transport, PreStartup, Cleanliness>

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pub fn ssl_request( self, ) -> TypedSession<Transport, AwaitingSslReply, Cleanliness>

Applies ssl_request and enters AwaitingSslReply.

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pub fn gss_request( self, ) -> TypedSession<Transport, AwaitingGssReply, Cleanliness>

Applies gss_request and enters AwaitingGssReply.

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pub fn cancel<Output, Error>( self, payload: (u32, Bytes), handle: impl FnOnce(&mut Transport, (u32, Bytes)) -> Result<Output, Error>, ) -> Result<(TypedSession<Transport, Terminated, Cleanliness>, Output), (Self, Error)>

Handles the payload for cancel; success enters Terminated and failure returns the unchanged session.

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pub fn startup<Output, Error>( self, payload: StartupMessage, handle: impl FnOnce(&mut Transport, StartupMessage) -> Result<Output, Error>, ) -> Result<(TypedSession<Transport, Auth, Cleanliness>, Output), (Self, Error)>

Handles the payload for startup; success enters Auth and failure returns the unchanged session.

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impl<Transport, Cleanliness> TypedSession<Transport, AwaitingSslReply, Cleanliness>

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pub fn accept(self) -> TypedSession<Transport, TlsHandshake, Cleanliness>

Applies accept and enters TlsHandshake.

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pub fn reject(self) -> TypedSession<Transport, PreStartup, Cleanliness>

Applies reject and enters PreStartup.

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pub fn legacy_error(self) -> TypedSession<Transport, Terminated, Cleanliness>

Applies legacy_error and enters Terminated.

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impl<Transport, Cleanliness> TypedSession<Transport, AwaitingGssReply, Cleanliness>

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pub fn accept(self) -> TypedSession<Transport, GssHandshake, Cleanliness>

Applies accept and enters GssHandshake.

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pub fn reject(self) -> TypedSession<Transport, PreStartup, Cleanliness>

Applies reject and enters PreStartup.

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pub fn legacy_error(self) -> TypedSession<Transport, Terminated, Cleanliness>

Applies legacy_error and enters Terminated.

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impl<Transport, Cleanliness> TypedSession<Transport, TlsHandshake, Cleanliness>

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pub fn complete(self) -> TypedSession<Transport, PreStartup, Cleanliness>

Applies complete and enters PreStartup.

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impl<Transport, Cleanliness> TypedSession<Transport, GssHandshake, Cleanliness>

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pub fn complete(self) -> TypedSession<Transport, PreStartup, Cleanliness>

Applies complete and enters PreStartup.

Trait Implementations§

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impl<Transport: Debug, Phase: Debug, Cleanliness: Debug> Debug for TypedSession<Transport, Phase, Cleanliness>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<Transport, Phase, Cleanliness> Freeze for TypedSession<Transport, Phase, Cleanliness>
where Transport: Freeze,

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impl<Transport, Phase, Cleanliness> RefUnwindSafe for TypedSession<Transport, Phase, Cleanliness>
where Transport: RefUnwindSafe, Phase: RefUnwindSafe, Cleanliness: RefUnwindSafe,

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impl<Transport, Phase, Cleanliness> Send for TypedSession<Transport, Phase, Cleanliness>
where Transport: Send, Phase: Send, Cleanliness: Send,

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impl<Transport, Phase, Cleanliness> Sync for TypedSession<Transport, Phase, Cleanliness>
where Transport: Sync, Phase: Sync, Cleanliness: Sync,

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impl<Transport, Phase, Cleanliness> Unpin for TypedSession<Transport, Phase, Cleanliness>
where Transport: Unpin, Phase: Unpin, Cleanliness: Unpin,

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impl<Transport, Phase, Cleanliness> UnsafeUnpin for TypedSession<Transport, Phase, Cleanliness>
where Transport: UnsafeUnpin,

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impl<Transport, Phase, Cleanliness> UnwindSafe for TypedSession<Transport, Phase, Cleanliness>
where Transport: UnwindSafe, Phase: UnwindSafe, Cleanliness: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<Handler> MessageMiddlewareExt for Handler

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fn then<Next>(self, next: Next) -> Then<Self, Next>

Runs this value followed by next whenever both implement middleware for the intercepted message and state types.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.