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feat(client): add max_idle_per_host configuration option

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Setting this will cap the amount of idle connections kept around for a
specific host. This defaults to no limit (`usize::MAX`).
This commit is contained in:
Sean McArthur
2018-08-21 16:05:18 -07:00
parent 1448e4067b
commit a3c44ded55
2 changed files with 77 additions and 17 deletions
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22
src/client/mod.rs
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@@ -753,8 +753,7 @@ pub struct Builder {
keep_alive_timeout: Option<Duration>,
h1_writev: bool,
h1_title_case_headers: bool,
//TODO: make use of max_idle config
max_idle: usize,
max_idle_per_host: usize,
retry_canceled_requests: bool,
set_host: bool,
ver: Ver,
@@ -768,7 +767,7 @@ impl Default for Builder {
keep_alive_timeout: Some(Duration::from_secs(90)),
h1_writev: true,
h1_title_case_headers: false,
max_idle: 5,
max_idle_per_host: ::std::usize::MAX,
retry_canceled_requests: true,
set_host: true,
ver: Ver::Http1,
@@ -839,6 +838,14 @@ impl Builder {
self
}
/// Sets the maximum idle connection per host allowed in the pool.
///
/// Default is `usize::MAX` (no limit).
pub fn max_idle_per_host(&mut self, max_idle: usize) -> &mut Self {
self.max_idle_per_host = max_idle;
self
}
/// Set whether to retry requests that get disrupted before ever starting
/// to write.
///
@@ -905,7 +912,12 @@ impl Builder {
executor: self.exec.clone(),
h1_writev: self.h1_writev,
h1_title_case_headers: self.h1_title_case_headers,
pool: Pool::new(self.keep_alive, self.keep_alive_timeout, &self.exec),
pool: Pool::new(
pool::Enabled(self.keep_alive),
pool::IdleTimeout(self.keep_alive_timeout),
pool::MaxIdlePerHost(self.max_idle_per_host),
&self.exec,
),
retry_canceled_requests: self.retry_canceled_requests,
set_host: self.set_host,
ver: self.ver,
@@ -919,7 +931,7 @@ impl fmt::Debug for Builder {
.field("keep_alive", &self.keep_alive)
.field("keep_alive_timeout", &self.keep_alive_timeout)
.field("http1_writev", &self.h1_writev)
.field("max_idle", &self.max_idle)
.field("max_idle_per_host", &self.max_idle_per_host)
.field("set_host", &self.set_host)
.field("version", &self.ver)
.finish()