Enum PreStartupMessage 

pub enum PreStartupMessage {
    SslRequest,
    GssEncRequest,
    CancelRequest {
        process_id: u32,
        secret_key: Bytes,
    },
    Startup(StartupMessage),
}

The external choice occupying a new connection’s untagged first packet.

Variants

SslRequest

Raw SSL negotiation request code 80877103.

GssEncRequest

Raw GSS encryption request code 80877104.

CancelRequest

Out-of-band cancellation packet.

Fields

process_id: u32

Target backend process ID.

secret_key: Bytes

Target backend secret key.

Startup(StartupMessage)

Normal protocol startup packet.

Implementations

impl PreStartupMessage

pub fn to_packet(&self) -> Result<Bytes>

Reconstructs the complete raw packet.

Errors

Returns an error for an invalid cancellation key or startup message.

Trait Implementations

impl AcceptsMessage<PreStartupMessage> for RuntimeState

fn accepts(&self, message: &PreStartupMessage) -> bool

Reports whether message is legal without advancing this state.

impl AcceptsMessage<PreStartupMessage> for RuntimeState

fn accepts(&self, message: &PreStartupMessage) -> bool

Reports whether message is legal without advancing this state.

impl AsRef<PreStartupMessage> for PreStartupInternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for AwaitingSslReplyInternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for AwaitingGssReplyInternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for TlsHandshakeInternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for GssHandshakeInternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for AuthInternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for TerminatedInternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for PreStartupExternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for SslDecisionExternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for GssDecisionExternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for TlsHandshakeExternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for GssHandshakeExternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for AuthExternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<PreStartupMessage> for TerminatedExternalMessage

fn as_ref(&self) -> &PreStartupMessage

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for PreStartupMessage

fn clone(&self) -> PreStartupMessage

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PreStartupMessage

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

Formats the value using the given formatter.

impl Eq for PreStartupMessage

impl From<AuthExternalMessage> for PreStartupMessage

fn from(message: AuthExternalMessage) -> Self

Converts to this type from the input type.

impl From<AuthInternalMessage> for PreStartupMessage

fn from(message: AuthInternalMessage) -> Self

Converts to this type from the input type.

impl From<AwaitingGssReplyInternalMessage> for PreStartupMessage

fn from(message: AwaitingGssReplyInternalMessage) -> Self

Converts to this type from the input type.

impl From<AwaitingSslReplyInternalMessage> for PreStartupMessage

fn from(message: AwaitingSslReplyInternalMessage) -> Self

Converts to this type from the input type.

impl From<GssDecisionExternalMessage> for PreStartupMessage

fn from(message: GssDecisionExternalMessage) -> Self

Converts to this type from the input type.

impl From<GssHandshakeExternalMessage> for PreStartupMessage

fn from(message: GssHandshakeExternalMessage) -> Self

Converts to this type from the input type.

impl From<GssHandshakeInternalMessage> for PreStartupMessage

fn from(message: GssHandshakeInternalMessage) -> Self

Converts to this type from the input type.

impl From<PreStartupExternalMessage> for PreStartupMessage

fn from(message: PreStartupExternalMessage) -> Self

Converts to this type from the input type.

impl From<PreStartupInternalMessage> for PreStartupMessage

fn from(message: PreStartupInternalMessage) -> Self

Converts to this type from the input type.

impl From<SslDecisionExternalMessage> for PreStartupMessage

fn from(message: SslDecisionExternalMessage) -> Self

Converts to this type from the input type.

impl From<TerminatedExternalMessage> for PreStartupMessage

fn from(message: TerminatedExternalMessage) -> Self

Converts to this type from the input type.

impl From<TerminatedInternalMessage> for PreStartupMessage

fn from(message: TerminatedInternalMessage) -> Self

Converts to this type from the input type.

impl From<TlsHandshakeExternalMessage> for PreStartupMessage

fn from(message: TlsHandshakeExternalMessage) -> Self

Converts to this type from the input type.

impl From<TlsHandshakeInternalMessage> for PreStartupMessage

fn from(message: TlsHandshakeInternalMessage) -> Self

Converts to this type from the input type.

impl PartialEq for PreStartupMessage

fn eq(&self, other: &PreStartupMessage) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl ReconstructableMessage for PreStartupMessage

fn is_reconstructable(&self) -> bool

Reports whether this typed value can be encoded on the wire.

impl StructuralPartialEq for PreStartupMessage

impl TryFrom<PreStartupMessage> for PreStartupInternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for AwaitingSslReplyInternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for AwaitingGssReplyInternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for TlsHandshakeInternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for GssHandshakeInternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for AuthInternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for TerminatedInternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for PreStartupExternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for SslDecisionExternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for GssDecisionExternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for TlsHandshakeExternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for GssHandshakeExternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for AuthExternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TryFrom<PreStartupMessage> for TerminatedExternalMessage

type Error = PreStartupMessage

The type returned in the event of a conversion error.

fn try_from(message: PreStartupMessage) -> Result<Self, PreStartupMessage>

Performs the conversion.

impl TypedPhase<ClientRole, PreStartupMessage> for PreStartup

type ProtocolPhase = PreStartup

Generated grammar phase corresponding to the connection typestate.

type Message = PreStartupExternalMessage

Opaque set of decoded messages legal for this role and phase.