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HttpServerConfig

autumn_web::config

Struct HttpServerConfig 

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pub struct HttpServerConfig {
    pub header_read_timeout_ms: Option<u64>,
    pub keep_alive_timeout_ms: Option<u64>,
    pub max_header_bytes: Option<usize>,
    pub http2_max_concurrent_streams: Option<u32>,
    pub max_connections: Option<usize>,
}
Expand description

[server.http] — connection limits for the HTTP server (issue #3065).

Every key is optional. When a key is not set, the server applies no limit for it, or the hyper default. The prod profile sets safe values for all keys.

[server.http]
header_read_timeout_ms = 10000
keep_alive_timeout_ms = 75000
max_header_bytes = 65536
http2_max_concurrent_streams = 100
max_connections = 10000

Fields§

§header_read_timeout_ms: Option<u64>

Maximum time to receive a full request head. The timer starts when the connection opens, or at the first byte after an idle period. The server disconnects a client that is too slow. This stops slowloris attacks. None or 0 disables it.

§keep_alive_timeout_ms: Option<u64>

Maximum time a connection stays open with no request in flight. None or 0 disables it.

§max_header_bytes: Option<usize>

Maximum size of the request head, in bytes. HTTP/1 requests over the limit get 431. Must be 8192 or more.

§http2_max_concurrent_streams: Option<u32>

Maximum number of concurrent HTTP/2 streams on one connection.

§max_connections: Option<usize>

Maximum number of open connections. At the limit, the server stops accepting until a connection closes. Upgraded connections (WebSocket) count until they close. None or 0 disables it.

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impl HttpServerConfig

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pub const MIN_HEADER_BYTES: usize = 8192

Smallest max_header_bytes the server accepts.

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pub const MAX_CONNECTIONS: usize = tokio::sync::Semaphore::MAX_PERMITS

Largest max_connections the server accepts: the most permits a Tokio semaphore can hold.

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pub fn validate(&self) -> Result<(), ConfigError>

Reject values the server cannot use.

§Errors

Returns ConfigError::Validation when max_header_bytes is below Self::MIN_HEADER_BYTES, http2_max_concurrent_streams is 0, or max_connections is above Self::MAX_CONNECTIONS.

Trait Implementations§

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impl Clone for HttpServerConfig

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for HttpServerConfig

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

Formats the value using the given formatter. Read more
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impl Default for HttpServerConfig

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for HttpServerConfig

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Eq for HttpServerConfig

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impl From<&HttpServerConfig> for HttpLimits

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fn from(config: &HttpServerConfig) -> Self

Converts to this type from the input type.
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impl PartialEq for HttpServerConfig

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for HttpServerConfig

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