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ConnectionError

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枚举 ConnectionError 

源代码
pub enum ConnectionError {
    VersionMismatch,
    TransportError(Error),
    ConnectionClosed(ConnectionClose),
    ApplicationClosed(ApplicationClose),
    Reset,
    TimedOut,
    LocallyClosed,
    CidsExhausted,
}
展开描述

连接可能丢失的原因

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VersionMismatch

对端未实现任何受支持的版本

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TransportError(Error)

对端违反了本实现所理解的 QUIC 规范

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ConnectionClosed(ConnectionClose)

对端的 QUIC 协议栈自动中止了连接

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ApplicationClosed(ApplicationClose)

对端关闭了连接

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Reset

对端无法继续处理该连接,通常是因为已经重启

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TimedOut

与对端的通信空闲时间已超过协商的最大空闲超时

即便对端仍可达,只要双方都不发送 keep-alive,连接在足够长的空闲期后仍会超时。另请参阅 TransportConfig::max_idle_timeout()TransportConfig::keep_alive_interval()

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LocallyClosed

本地应用程序关闭了连接

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CidsExhausted

由于可用的 CID 空间不足,无法创建连接

可尝试使用更长的连接 ID。

trait 实现§

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impl Clone for ConnectionError

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fn clone(&self) -> ConnectionError

返回值的副本。 更多信息
1.0.0 · 源代码§

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

Performs copy-assignment from source. 更多信息
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impl Debug for ConnectionError

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

使用给定的格式化器格式化此值。 更多信息
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impl Display for ConnectionError

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

使用给定的格式化器格式化此值。 更多信息
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impl Error for ConnectionError

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fn source(&self) -> Option<&(dyn Error + 'static)>

返回此错误的更底层来源(若有)。 更多信息
1.0.0 · 源代码§

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
1.0.0 · 源代码§

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. 更多信息
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impl From<Close> for ConnectionError

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fn from(x: Close) -> ConnectionError

从输入类型转换为此类型。
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impl From<ConnectionError> for ReadError

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fn from(source: ConnectionError) -> Self

从输入类型转换为此类型。
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impl From<ConnectionError> for ResetError

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fn from(source: ConnectionError) -> Self

从输入类型转换为此类型。
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impl From<ConnectionError> for SendDatagramError

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fn from(source: ConnectionError) -> Self

从输入类型转换为此类型。
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impl From<ConnectionError> for StoppedError

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fn from(source: ConnectionError) -> Self

从输入类型转换为此类型。
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impl From<ConnectionError> for WriteError

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fn from(source: ConnectionError) -> Self

从输入类型转换为此类型。
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impl From<Error> for ConnectionError

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fn from(source: Error) -> ConnectionError

从输入类型转换为此类型。
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impl PartialEq for ConnectionError

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

测试 selfother 值是否相等,供 == 运算符使用。
1.0.0 · 源代码§

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

测试 != 运算符。默认实现几乎总是够用,除非有非常充分的理由,否则不应被覆盖。
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impl Eq for ConnectionError

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impl StructuralPartialEq for ConnectionError

自动 trait 实现§

blanket 实现§

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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. 更多信息
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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. 更多信息
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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. 更多信息
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 更多信息
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impl<T> From<T> for T

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fn from(t: T) -> T

原样返回该参数。

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. 更多信息
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. 更多信息
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

调用 U::from(self)

也就是说,此转换行为完全由 From<T> for U 的实现决定。

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

获得所有权后的类型。
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. 更多信息
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 更多信息
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. 更多信息
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

转换出错时返回的类型。
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

执行转换。
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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

转换出错时返回的类型。
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

执行转换。
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. 更多信息
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. 更多信息
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,