Struct qiniu_http_client::RetriedStatsInfo
source · pub struct RetriedStatsInfo { /* private fields */ }Expand description
重试统计信息
Implementations§
source§impl RetriedStatsInfo
impl RetriedStatsInfo
sourcepub fn increase_current_endpoint(&mut self)
pub fn increase_current_endpoint(&mut self)
提升当前终端地址的重试次数
Examples found in repository?
src/client/call/send_http_request.rs (line 100)
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fn handle_response_error(
mut response_error: ResponseError,
http_parts: &mut HttpRequestParts,
parts: &InnerRequestParts<'_>,
retried: &mut RetriedStatsInfo,
) -> TryError {
let retry_result = parts.http_client().request_retrier().retry(
http_parts,
RequestRetrierOptions::builder(&response_error, retried)
.idempotent(parts.idempotent())
.build(),
);
retried.increase_current_endpoint();
response_error = response_error.set_retry_decision(retry_result.decision());
TryError::new(response_error, retry_result)
}sourcepub fn increase_abandoned_endpoints(&mut self)
pub fn increase_abandoned_endpoints(&mut self)
提升放弃的终端地址的数量
Examples found in repository?
src/client/call/try_endpoints.rs (line 114)
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fn try_domain_with_port(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
retried.switch_endpoint();
return if parts.http_client().http_caller().is_resolved_ip_addrs_supported() {
debug!("Try domain with resolver: {}", domain_with_port);
with_resolver(
domain_with_port,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
} else {
debug!("Try domain without resolver: {}", domain_with_port);
without_resolver(
domain_with_port,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
}
.tap_err(|_| retried.increase_abandoned_endpoints());
fn with_resolver(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let ips = resolve(parts, domain_with_port, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?;
if !ips.is_empty() {
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(&ips);
ips.difference_set(tried_ips);
ips
};
loop {
match try_domain_with_ips(
domain_with_port,
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
) {
Ok(response) => return Ok(response),
Err(TryFlow::TryNext(None)) => {
break;
}
Err(TryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(TryFlow::DontRetry(err)) => {
return Err(ControlFlow::DontRetry(err));
}
Err(TryFlow::TryNext(Some(err))) => {
return Err(ControlFlow::TryNext(Some(err)));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
fn without_resolver(
domain_with_port: &DomainWithPort,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let domain = DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), vec![]);
match try_domain_or_ip_addr(&domain, parts, body, take(extensions), retried) {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(ControlFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::TryNext(Some(err)))
}
},
}
}
#[allow(clippy::too_many_arguments)]
fn try_domain_with_ips(
domain_with_port: &DomainWithPort,
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, TryFlow<TryErrorWithExtensions>> {
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => choose(parts, &ips, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(TryFlow::TryAgain)?,
_ => vec![],
};
if chosen_ips.is_empty() {
Err(TryFlow::TryNext(None))
} else {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
retried.switch_ips();
let chosen_ips = IpAddrs::from(chosen_ips);
debug!("Try domain with IPs: {}({})", domain_with_port, chosen_ips);
match try_domain_or_single_ip(
&DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), chosen_ips.into()),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
) {
Ok(response) => Ok(response),
Err(SingleTryFlow::TryAgain(err)) => Err(TryFlow::TryAgain(err)),
Err(SingleTryFlow::DontRetry(err)) => Err(TryFlow::DontRetry(err)),
}
}
}
}
fn try_ips(
ips: &[IpAddrWithPort],
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(ips);
ips.difference_set(tried_ips);
ips
};
loop {
debug!("Try IPs: {}", remaining_ips);
match try_remaining_ips(
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
) {
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {
break;
}
Err(err) => {
return Err(err);
}
}
}
return Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
));
fn try_remaining_ips(
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => choose(parts, &ips, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?,
_ => vec![],
};
if !chosen_ips.is_empty() {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
for chosen_ip in chosen_ips.into_iter() {
retried.switch_endpoint();
debug!("Try single IP: {}", chosen_ip);
match try_single_ip(chosen_ip, parts, body, extensions, retried, is_endpoints_alternative) {
Ok(response) => return Ok(response),
Err(SingleTryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
retried.increase_abandoned_endpoints();
}
Err(SingleTryFlow::DontRetry(err)) => {
retried.increase_abandoned_endpoints();
return Err(ControlFlow::DontRetry(err));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
fn try_single_ip(
ip: IpAddrWithPort,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
try_domain_or_single_ip(
&DomainOrIpAddr::from(ip),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
}
}
fn try_domain_or_single_ip(
domain: &DomainOrIpAddr,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
match try_domain_or_ip_addr(domain, parts, body, extensions, retried) {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(SingleTryFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::TryAgain(err))
}
},
}
}
}
#[cfg(feature = "async")]
use super::{
super::{AsyncRequestBody, AsyncResponse},
try_domain_or_ip_addr::async_try_domain_or_ip_addr,
utils::{async_choose, async_resolve},
};
#[cfg(feature = "async")]
pub(super) async fn async_try_endpoints(
endpoints: &[Endpoint],
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
mut extensions: Extensions,
tried_ips: &mut IpAddrsSet,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, TryErrorWithExtensions> {
let mut last_error: Option<TryError> = None;
for domain_with_port in find_domains_with_port(endpoints) {
debug!("Try domain with port: {}", domain_with_port);
match try_domain_with_port(
domain_with_port,
tried_ips,
parts,
body,
&mut extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {}
Err(ControlFlow::DontRetry(err)) => {
return Err(err);
}
}
}
let ips = find_ip_addr_with_port(endpoints).copied().collect::<Vec<_>>();
if !ips.is_empty() {
debug!("Try IPs with port: {:?}", ips);
match try_ips(
&ips,
tried_ips,
parts,
body,
&mut extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {}
Err(ControlFlow::DontRetry(err)) => {
return Err(err);
}
}
}
return Err(last_error
.unwrap_or_else(|| no_try_error(retried))
.with_extensions(extensions));
async fn try_domain_with_port(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
retried.switch_endpoint();
return if parts.http_client().http_caller().is_resolved_ip_addrs_supported() {
debug!("Try domain with resolver: {}", domain_with_port);
with_resolver(
domain_with_port,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
} else {
debug!("Try domain without resolver: {}", domain_with_port);
without_resolver(
domain_with_port,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
}
.tap_err(|_| retried.increase_abandoned_endpoints());
async fn with_resolver(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let ips = async_resolve(parts, domain_with_port, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?;
if !ips.is_empty() {
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(&ips);
ips.difference_set(tried_ips);
ips
};
loop {
match try_domain_with_ips(
domain_with_port,
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(TryFlow::TryNext(None)) => {
break;
}
Err(TryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(TryFlow::DontRetry(err)) => {
return Err(ControlFlow::DontRetry(err));
}
Err(TryFlow::TryNext(Some(err))) => {
return Err(ControlFlow::TryNext(Some(err)));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
async fn without_resolver(
domain_with_port: &DomainWithPort,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let domain = DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), vec![]);
match async_try_domain_or_ip_addr(&domain, parts, body, take(extensions), retried).await {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(ControlFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::TryNext(Some(err)))
}
},
}
}
#[allow(clippy::too_many_arguments)]
async fn try_domain_with_ips(
domain_with_port: &DomainWithPort,
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, TryFlow<TryErrorWithExtensions>> {
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => async_choose(parts, &ips, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(TryFlow::TryAgain)?,
_ => vec![],
};
if chosen_ips.is_empty() {
Err(TryFlow::TryNext(None))
} else {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
retried.switch_ips();
let chosen_ips = IpAddrs::from(chosen_ips);
debug!("Try domain with IPs: {}({})", domain_with_port, chosen_ips);
match try_domain_or_single_ip(
&DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), chosen_ips.into()),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => Ok(response),
Err(SingleTryFlow::TryAgain(err)) => Err(TryFlow::TryAgain(err)),
Err(SingleTryFlow::DontRetry(err)) => Err(TryFlow::DontRetry(err)),
}
}
}
}
async fn try_ips(
ips: &[IpAddrWithPort],
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(ips);
ips.difference_set(tried_ips);
ips
};
loop {
debug!("Try IPs: {}", remaining_ips);
match try_remaining_ips(
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {
break;
}
Err(err) => {
return Err(err);
}
}
}
return Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
));
async fn try_remaining_ips(
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => async_choose(parts, &ips, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?,
_ => vec![],
};
if !chosen_ips.is_empty() {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
for chosen_ip in chosen_ips.into_iter() {
retried.switch_endpoint();
debug!("Try single IP: {}", chosen_ip);
match try_single_ip(chosen_ip, parts, body, extensions, retried, is_endpoints_alternative).await {
Ok(response) => return Ok(response),
Err(SingleTryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
retried.increase_abandoned_endpoints();
}
Err(SingleTryFlow::DontRetry(err)) => {
retried.increase_abandoned_endpoints();
return Err(ControlFlow::DontRetry(err));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}sourcepub fn increase_abandoned_ips_of_current_endpoint(&mut self)
pub fn increase_abandoned_ips_of_current_endpoint(&mut self)
提升放弃的终端的 IP 地址的数量
Examples found in repository?
src/client/call/try_endpoints.rs (line 186)
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fn without_resolver(
domain_with_port: &DomainWithPort,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let domain = DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), vec![]);
match try_domain_or_ip_addr(&domain, parts, body, take(extensions), retried) {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(ControlFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::TryNext(Some(err)))
}
},
}
}
#[allow(clippy::too_many_arguments)]
fn try_domain_with_ips(
domain_with_port: &DomainWithPort,
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, TryFlow<TryErrorWithExtensions>> {
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => choose(parts, &ips, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(TryFlow::TryAgain)?,
_ => vec![],
};
if chosen_ips.is_empty() {
Err(TryFlow::TryNext(None))
} else {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
retried.switch_ips();
let chosen_ips = IpAddrs::from(chosen_ips);
debug!("Try domain with IPs: {}({})", domain_with_port, chosen_ips);
match try_domain_or_single_ip(
&DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), chosen_ips.into()),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
) {
Ok(response) => Ok(response),
Err(SingleTryFlow::TryAgain(err)) => Err(TryFlow::TryAgain(err)),
Err(SingleTryFlow::DontRetry(err)) => Err(TryFlow::DontRetry(err)),
}
}
}
}
fn try_ips(
ips: &[IpAddrWithPort],
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(ips);
ips.difference_set(tried_ips);
ips
};
loop {
debug!("Try IPs: {}", remaining_ips);
match try_remaining_ips(
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
) {
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {
break;
}
Err(err) => {
return Err(err);
}
}
}
return Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
));
fn try_remaining_ips(
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => choose(parts, &ips, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?,
_ => vec![],
};
if !chosen_ips.is_empty() {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
for chosen_ip in chosen_ips.into_iter() {
retried.switch_endpoint();
debug!("Try single IP: {}", chosen_ip);
match try_single_ip(chosen_ip, parts, body, extensions, retried, is_endpoints_alternative) {
Ok(response) => return Ok(response),
Err(SingleTryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
retried.increase_abandoned_endpoints();
}
Err(SingleTryFlow::DontRetry(err)) => {
retried.increase_abandoned_endpoints();
return Err(ControlFlow::DontRetry(err));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
fn try_single_ip(
ip: IpAddrWithPort,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
try_domain_or_single_ip(
&DomainOrIpAddr::from(ip),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
}
}
fn try_domain_or_single_ip(
domain: &DomainOrIpAddr,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
match try_domain_or_ip_addr(domain, parts, body, extensions, retried) {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(SingleTryFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::TryAgain(err))
}
},
}
}
}
#[cfg(feature = "async")]
use super::{
super::{AsyncRequestBody, AsyncResponse},
try_domain_or_ip_addr::async_try_domain_or_ip_addr,
utils::{async_choose, async_resolve},
};
#[cfg(feature = "async")]
pub(super) async fn async_try_endpoints(
endpoints: &[Endpoint],
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
mut extensions: Extensions,
tried_ips: &mut IpAddrsSet,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, TryErrorWithExtensions> {
let mut last_error: Option<TryError> = None;
for domain_with_port in find_domains_with_port(endpoints) {
debug!("Try domain with port: {}", domain_with_port);
match try_domain_with_port(
domain_with_port,
tried_ips,
parts,
body,
&mut extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {}
Err(ControlFlow::DontRetry(err)) => {
return Err(err);
}
}
}
let ips = find_ip_addr_with_port(endpoints).copied().collect::<Vec<_>>();
if !ips.is_empty() {
debug!("Try IPs with port: {:?}", ips);
match try_ips(
&ips,
tried_ips,
parts,
body,
&mut extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {}
Err(ControlFlow::DontRetry(err)) => {
return Err(err);
}
}
}
return Err(last_error
.unwrap_or_else(|| no_try_error(retried))
.with_extensions(extensions));
async fn try_domain_with_port(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
retried.switch_endpoint();
return if parts.http_client().http_caller().is_resolved_ip_addrs_supported() {
debug!("Try domain with resolver: {}", domain_with_port);
with_resolver(
domain_with_port,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
} else {
debug!("Try domain without resolver: {}", domain_with_port);
without_resolver(
domain_with_port,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
}
.tap_err(|_| retried.increase_abandoned_endpoints());
async fn with_resolver(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let ips = async_resolve(parts, domain_with_port, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?;
if !ips.is_empty() {
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(&ips);
ips.difference_set(tried_ips);
ips
};
loop {
match try_domain_with_ips(
domain_with_port,
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(TryFlow::TryNext(None)) => {
break;
}
Err(TryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(TryFlow::DontRetry(err)) => {
return Err(ControlFlow::DontRetry(err));
}
Err(TryFlow::TryNext(Some(err))) => {
return Err(ControlFlow::TryNext(Some(err)));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
async fn without_resolver(
domain_with_port: &DomainWithPort,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let domain = DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), vec![]);
match async_try_domain_or_ip_addr(&domain, parts, body, take(extensions), retried).await {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(ControlFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::TryNext(Some(err)))
}
},
}
}
#[allow(clippy::too_many_arguments)]
async fn try_domain_with_ips(
domain_with_port: &DomainWithPort,
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, TryFlow<TryErrorWithExtensions>> {
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => async_choose(parts, &ips, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(TryFlow::TryAgain)?,
_ => vec![],
};
if chosen_ips.is_empty() {
Err(TryFlow::TryNext(None))
} else {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
retried.switch_ips();
let chosen_ips = IpAddrs::from(chosen_ips);
debug!("Try domain with IPs: {}({})", domain_with_port, chosen_ips);
match try_domain_or_single_ip(
&DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), chosen_ips.into()),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => Ok(response),
Err(SingleTryFlow::TryAgain(err)) => Err(TryFlow::TryAgain(err)),
Err(SingleTryFlow::DontRetry(err)) => Err(TryFlow::DontRetry(err)),
}
}
}
}
async fn try_ips(
ips: &[IpAddrWithPort],
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(ips);
ips.difference_set(tried_ips);
ips
};
loop {
debug!("Try IPs: {}", remaining_ips);
match try_remaining_ips(
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {
break;
}
Err(err) => {
return Err(err);
}
}
}
return Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
));
async fn try_remaining_ips(
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => async_choose(parts, &ips, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?,
_ => vec![],
};
if !chosen_ips.is_empty() {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
for chosen_ip in chosen_ips.into_iter() {
retried.switch_endpoint();
debug!("Try single IP: {}", chosen_ip);
match try_single_ip(chosen_ip, parts, body, extensions, retried, is_endpoints_alternative).await {
Ok(response) => return Ok(response),
Err(SingleTryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
retried.increase_abandoned_endpoints();
}
Err(SingleTryFlow::DontRetry(err)) => {
retried.increase_abandoned_endpoints();
return Err(ControlFlow::DontRetry(err));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
async fn try_single_ip(
ip: IpAddrWithPort,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
try_domain_or_single_ip(
&DomainOrIpAddr::from(ip),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
.await
}
}
async fn try_domain_or_single_ip(
domain: &DomainOrIpAddr,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
match async_try_domain_or_ip_addr(domain, parts, body, extensions, retried).await {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(SingleTryFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::TryAgain(err))
}
},
}
}sourcepub fn switch_to_alternative_endpoints(&mut self)
pub fn switch_to_alternative_endpoints(&mut self)
切换到备选终端地址
Examples found in repository?
src/client/call/request_call.rs (line 37)
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pub(in super::super) fn request_call<E: EndpointsProvider>(
request: SyncInnerRequest<'_, E>,
) -> ApiResult<SyncResponse> {
let (parts, mut body, into_endpoints, service_name, extensions) = request.split();
let options = EndpointsGetOptions::builder().service_names(service_name).build();
let endpoints = into_endpoints.get_endpoints(options)?;
let mut tried_ips = IpAddrsSet::default();
let mut retried = RetriedStatsInfo::default();
return match try_preferred_endpoints(
endpoints.preferred(),
&parts,
&mut body,
extensions,
&mut tried_ips,
&mut retried,
) {
Ok(response) => Ok(response),
Err(err)
if err.retry_decision() == RetryDecision::TryAlternativeEndpoints
&& !endpoints.alternative().is_empty() =>
{
let (_, extensions) = err.split();
retried.switch_to_alternative_endpoints();
debug!("Switch to alternative endpoints");
try_alternative_endpoints(
endpoints.alternative(),
&parts,
&mut body,
extensions,
&mut tried_ips,
&mut retried,
)
}
Err(err) => Err(err.into_response_error()),
};
fn try_preferred_endpoints(
endpoints: &[Endpoint],
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: Extensions,
tried_ips: &mut IpAddrsSet,
retried: &mut RetriedStatsInfo,
) -> Result<SyncResponse, TryErrorWithExtensions> {
try_endpoints(endpoints, parts, body, extensions, tried_ips, retried, true)
}
fn try_alternative_endpoints(
endpoints: &[Endpoint],
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: Extensions,
tried_ips: &mut IpAddrsSet,
retried: &mut RetriedStatsInfo,
) -> ApiResult<SyncResponse> {
try_endpoints(endpoints, parts, body, extensions, tried_ips, retried, false)
.map_err(|err| err.into_response_error())
}
}
#[cfg(feature = "async")]
use super::{
super::{request::AsyncInnerRequest, AsyncRequestBody, AsyncResponse},
try_endpoints::async_try_endpoints,
};
#[cfg(feature = "async")]
pub(in super::super) async fn async_request_call<E: EndpointsProvider>(
request: AsyncInnerRequest<'_, E>,
) -> ApiResult<AsyncResponse> {
let (parts, mut body, into_endpoints, service_name, extensions) = request.split();
let options = EndpointsGetOptions::builder().service_names(service_name).build();
let endpoints = into_endpoints.async_get_endpoints(options).await?;
let mut tried_ips = IpAddrsSet::default();
let mut retried = RetriedStatsInfo::default();
return match try_preferred_endpoints(
endpoints.preferred(),
&parts,
&mut body,
extensions,
&mut tried_ips,
&mut retried,
)
.await
{
Ok(response) => Ok(response),
Err(err)
if err.retry_decision() == RetryDecision::TryAlternativeEndpoints
&& !endpoints.alternative().is_empty() =>
{
let (_, extensions) = err.split();
retried.switch_to_alternative_endpoints();
debug!("Switch to alternative endpoints");
try_alternative_endpoints(
endpoints.alternative(),
&parts,
&mut body,
extensions,
&mut tried_ips,
&mut retried,
)
.await
}
Err(err) => Err(err.into_response_error()),
};
async fn try_preferred_endpoints(
endpoints: &[Endpoint],
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: Extensions,
tried_ips: &mut IpAddrsSet,
retried: &mut RetriedStatsInfo,
) -> Result<AsyncResponse, TryErrorWithExtensions> {
async_try_endpoints(endpoints, parts, body, extensions, tried_ips, retried, true).await
}
async fn try_alternative_endpoints(
endpoints: &[Endpoint],
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: Extensions,
tried_ips: &mut IpAddrsSet,
retried: &mut RetriedStatsInfo,
) -> ApiResult<AsyncResponse> {
async_try_endpoints(endpoints, parts, body, extensions, tried_ips, retried, false)
.await
.map_err(|err| err.into_response_error())
}
}sourcepub fn switch_endpoint(&mut self)
pub fn switch_endpoint(&mut self)
切换终端地址
Examples found in repository?
More examples
src/client/call/try_endpoints.rs (line 91)
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fn try_domain_with_port(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
retried.switch_endpoint();
return if parts.http_client().http_caller().is_resolved_ip_addrs_supported() {
debug!("Try domain with resolver: {}", domain_with_port);
with_resolver(
domain_with_port,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
} else {
debug!("Try domain without resolver: {}", domain_with_port);
without_resolver(
domain_with_port,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
}
.tap_err(|_| retried.increase_abandoned_endpoints());
fn with_resolver(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let ips = resolve(parts, domain_with_port, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?;
if !ips.is_empty() {
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(&ips);
ips.difference_set(tried_ips);
ips
};
loop {
match try_domain_with_ips(
domain_with_port,
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
) {
Ok(response) => return Ok(response),
Err(TryFlow::TryNext(None)) => {
break;
}
Err(TryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(TryFlow::DontRetry(err)) => {
return Err(ControlFlow::DontRetry(err));
}
Err(TryFlow::TryNext(Some(err))) => {
return Err(ControlFlow::TryNext(Some(err)));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
fn without_resolver(
domain_with_port: &DomainWithPort,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let domain = DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), vec![]);
match try_domain_or_ip_addr(&domain, parts, body, take(extensions), retried) {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(ControlFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::TryNext(Some(err)))
}
},
}
}
#[allow(clippy::too_many_arguments)]
fn try_domain_with_ips(
domain_with_port: &DomainWithPort,
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, TryFlow<TryErrorWithExtensions>> {
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => choose(parts, &ips, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(TryFlow::TryAgain)?,
_ => vec![],
};
if chosen_ips.is_empty() {
Err(TryFlow::TryNext(None))
} else {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
retried.switch_ips();
let chosen_ips = IpAddrs::from(chosen_ips);
debug!("Try domain with IPs: {}({})", domain_with_port, chosen_ips);
match try_domain_or_single_ip(
&DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), chosen_ips.into()),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
) {
Ok(response) => Ok(response),
Err(SingleTryFlow::TryAgain(err)) => Err(TryFlow::TryAgain(err)),
Err(SingleTryFlow::DontRetry(err)) => Err(TryFlow::DontRetry(err)),
}
}
}
}
fn try_ips(
ips: &[IpAddrWithPort],
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(ips);
ips.difference_set(tried_ips);
ips
};
loop {
debug!("Try IPs: {}", remaining_ips);
match try_remaining_ips(
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
) {
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {
break;
}
Err(err) => {
return Err(err);
}
}
}
return Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
));
fn try_remaining_ips(
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => choose(parts, &ips, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?,
_ => vec![],
};
if !chosen_ips.is_empty() {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
for chosen_ip in chosen_ips.into_iter() {
retried.switch_endpoint();
debug!("Try single IP: {}", chosen_ip);
match try_single_ip(chosen_ip, parts, body, extensions, retried, is_endpoints_alternative) {
Ok(response) => return Ok(response),
Err(SingleTryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
retried.increase_abandoned_endpoints();
}
Err(SingleTryFlow::DontRetry(err)) => {
retried.increase_abandoned_endpoints();
return Err(ControlFlow::DontRetry(err));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
fn try_single_ip(
ip: IpAddrWithPort,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
try_domain_or_single_ip(
&DomainOrIpAddr::from(ip),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
}
}
fn try_domain_or_single_ip(
domain: &DomainOrIpAddr,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
match try_domain_or_ip_addr(domain, parts, body, extensions, retried) {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(SingleTryFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::TryAgain(err))
}
},
}
}
}
#[cfg(feature = "async")]
use super::{
super::{AsyncRequestBody, AsyncResponse},
try_domain_or_ip_addr::async_try_domain_or_ip_addr,
utils::{async_choose, async_resolve},
};
#[cfg(feature = "async")]
pub(super) async fn async_try_endpoints(
endpoints: &[Endpoint],
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
mut extensions: Extensions,
tried_ips: &mut IpAddrsSet,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, TryErrorWithExtensions> {
let mut last_error: Option<TryError> = None;
for domain_with_port in find_domains_with_port(endpoints) {
debug!("Try domain with port: {}", domain_with_port);
match try_domain_with_port(
domain_with_port,
tried_ips,
parts,
body,
&mut extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {}
Err(ControlFlow::DontRetry(err)) => {
return Err(err);
}
}
}
let ips = find_ip_addr_with_port(endpoints).copied().collect::<Vec<_>>();
if !ips.is_empty() {
debug!("Try IPs with port: {:?}", ips);
match try_ips(
&ips,
tried_ips,
parts,
body,
&mut extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {}
Err(ControlFlow::DontRetry(err)) => {
return Err(err);
}
}
}
return Err(last_error
.unwrap_or_else(|| no_try_error(retried))
.with_extensions(extensions));
async fn try_domain_with_port(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
retried.switch_endpoint();
return if parts.http_client().http_caller().is_resolved_ip_addrs_supported() {
debug!("Try domain with resolver: {}", domain_with_port);
with_resolver(
domain_with_port,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
} else {
debug!("Try domain without resolver: {}", domain_with_port);
without_resolver(
domain_with_port,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
}
.tap_err(|_| retried.increase_abandoned_endpoints());
async fn with_resolver(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let ips = async_resolve(parts, domain_with_port, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?;
if !ips.is_empty() {
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(&ips);
ips.difference_set(tried_ips);
ips
};
loop {
match try_domain_with_ips(
domain_with_port,
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(TryFlow::TryNext(None)) => {
break;
}
Err(TryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(TryFlow::DontRetry(err)) => {
return Err(ControlFlow::DontRetry(err));
}
Err(TryFlow::TryNext(Some(err))) => {
return Err(ControlFlow::TryNext(Some(err)));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
async fn without_resolver(
domain_with_port: &DomainWithPort,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let domain = DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), vec![]);
match async_try_domain_or_ip_addr(&domain, parts, body, take(extensions), retried).await {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(ControlFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::TryNext(Some(err)))
}
},
}
}
#[allow(clippy::too_many_arguments)]
async fn try_domain_with_ips(
domain_with_port: &DomainWithPort,
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, TryFlow<TryErrorWithExtensions>> {
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => async_choose(parts, &ips, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(TryFlow::TryAgain)?,
_ => vec![],
};
if chosen_ips.is_empty() {
Err(TryFlow::TryNext(None))
} else {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
retried.switch_ips();
let chosen_ips = IpAddrs::from(chosen_ips);
debug!("Try domain with IPs: {}({})", domain_with_port, chosen_ips);
match try_domain_or_single_ip(
&DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), chosen_ips.into()),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => Ok(response),
Err(SingleTryFlow::TryAgain(err)) => Err(TryFlow::TryAgain(err)),
Err(SingleTryFlow::DontRetry(err)) => Err(TryFlow::DontRetry(err)),
}
}
}
}
async fn try_ips(
ips: &[IpAddrWithPort],
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(ips);
ips.difference_set(tried_ips);
ips
};
loop {
debug!("Try IPs: {}", remaining_ips);
match try_remaining_ips(
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {
break;
}
Err(err) => {
return Err(err);
}
}
}
return Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
));
async fn try_remaining_ips(
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => async_choose(parts, &ips, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?,
_ => vec![],
};
if !chosen_ips.is_empty() {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
for chosen_ip in chosen_ips.into_iter() {
retried.switch_endpoint();
debug!("Try single IP: {}", chosen_ip);
match try_single_ip(chosen_ip, parts, body, extensions, retried, is_endpoints_alternative).await {
Ok(response) => return Ok(response),
Err(SingleTryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
retried.increase_abandoned_endpoints();
}
Err(SingleTryFlow::DontRetry(err)) => {
retried.increase_abandoned_endpoints();
return Err(ControlFlow::DontRetry(err));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}sourcepub fn switch_ips(&mut self)
pub fn switch_ips(&mut self)
切换当前 IP 地址
Examples found in repository?
More examples
src/client/call/try_endpoints.rs (line 219)
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fn try_domain_with_ips(
domain_with_port: &DomainWithPort,
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, TryFlow<TryErrorWithExtensions>> {
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => choose(parts, &ips, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(TryFlow::TryAgain)?,
_ => vec![],
};
if chosen_ips.is_empty() {
Err(TryFlow::TryNext(None))
} else {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
retried.switch_ips();
let chosen_ips = IpAddrs::from(chosen_ips);
debug!("Try domain with IPs: {}({})", domain_with_port, chosen_ips);
match try_domain_or_single_ip(
&DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), chosen_ips.into()),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
) {
Ok(response) => Ok(response),
Err(SingleTryFlow::TryAgain(err)) => Err(TryFlow::TryAgain(err)),
Err(SingleTryFlow::DontRetry(err)) => Err(TryFlow::DontRetry(err)),
}
}
}
}
fn try_ips(
ips: &[IpAddrWithPort],
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(ips);
ips.difference_set(tried_ips);
ips
};
loop {
debug!("Try IPs: {}", remaining_ips);
match try_remaining_ips(
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
) {
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {
break;
}
Err(err) => {
return Err(err);
}
}
}
return Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
));
fn try_remaining_ips(
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => choose(parts, &ips, extensions, retried)
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?,
_ => vec![],
};
if !chosen_ips.is_empty() {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
for chosen_ip in chosen_ips.into_iter() {
retried.switch_endpoint();
debug!("Try single IP: {}", chosen_ip);
match try_single_ip(chosen_ip, parts, body, extensions, retried, is_endpoints_alternative) {
Ok(response) => return Ok(response),
Err(SingleTryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
retried.increase_abandoned_endpoints();
}
Err(SingleTryFlow::DontRetry(err)) => {
retried.increase_abandoned_endpoints();
return Err(ControlFlow::DontRetry(err));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
fn try_single_ip(
ip: IpAddrWithPort,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
try_domain_or_single_ip(
&DomainOrIpAddr::from(ip),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
}
}
fn try_domain_or_single_ip(
domain: &DomainOrIpAddr,
parts: &InnerRequestParts<'_>,
body: &mut SyncRequestBody<'_>,
extensions: Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<SyncResponse, SingleTryFlow<TryErrorWithExtensions>> {
match try_domain_or_ip_addr(domain, parts, body, extensions, retried) {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(SingleTryFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(SingleTryFlow::TryAgain(err))
}
},
}
}
}
#[cfg(feature = "async")]
use super::{
super::{AsyncRequestBody, AsyncResponse},
try_domain_or_ip_addr::async_try_domain_or_ip_addr,
utils::{async_choose, async_resolve},
};
#[cfg(feature = "async")]
pub(super) async fn async_try_endpoints(
endpoints: &[Endpoint],
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
mut extensions: Extensions,
tried_ips: &mut IpAddrsSet,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, TryErrorWithExtensions> {
let mut last_error: Option<TryError> = None;
for domain_with_port in find_domains_with_port(endpoints) {
debug!("Try domain with port: {}", domain_with_port);
match try_domain_with_port(
domain_with_port,
tried_ips,
parts,
body,
&mut extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {}
Err(ControlFlow::DontRetry(err)) => {
return Err(err);
}
}
}
let ips = find_ip_addr_with_port(endpoints).copied().collect::<Vec<_>>();
if !ips.is_empty() {
debug!("Try IPs with port: {:?}", ips);
match try_ips(
&ips,
tried_ips,
parts,
body,
&mut extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(ControlFlow::TryNext(Some(err))) => {
let (err, ext) = err.split();
extensions = ext;
last_error = Some(err);
}
Err(ControlFlow::TryNext(None)) => {}
Err(ControlFlow::DontRetry(err)) => {
return Err(err);
}
}
}
return Err(last_error
.unwrap_or_else(|| no_try_error(retried))
.with_extensions(extensions));
async fn try_domain_with_port(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
retried.switch_endpoint();
return if parts.http_client().http_caller().is_resolved_ip_addrs_supported() {
debug!("Try domain with resolver: {}", domain_with_port);
with_resolver(
domain_with_port,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
} else {
debug!("Try domain without resolver: {}", domain_with_port);
without_resolver(
domain_with_port,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
}
.tap_err(|_| retried.increase_abandoned_endpoints());
async fn with_resolver(
domain_with_port: &DomainWithPort,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let mut last_error: Option<TryError> = None;
let ips = async_resolve(parts, domain_with_port, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(Some)
.map_err(ControlFlow::TryNext)?;
if !ips.is_empty() {
let mut remaining_ips = {
let mut ips = IpAddrsSet::new(&ips);
ips.difference_set(tried_ips);
ips
};
loop {
match try_domain_with_ips(
domain_with_port,
&mut remaining_ips,
tried_ips,
parts,
body,
extensions,
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => return Ok(response),
Err(TryFlow::TryNext(None)) => {
break;
}
Err(TryFlow::TryAgain(err)) => {
let (err, ext) = err.split();
*extensions = ext;
last_error = Some(err);
}
Err(TryFlow::DontRetry(err)) => {
return Err(ControlFlow::DontRetry(err));
}
Err(TryFlow::TryNext(Some(err))) => {
return Err(ControlFlow::TryNext(Some(err)));
}
}
}
}
Err(ControlFlow::TryNext(
last_error.map(|err| err.with_extensions(take(extensions))),
))
}
async fn without_resolver(
domain_with_port: &DomainWithPort,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, ControlFlow<TryErrorWithExtensions>> {
let domain = DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), vec![]);
match async_try_domain_or_ip_addr(&domain, parts, body, take(extensions), retried).await {
Ok(response) => Ok(response),
Err(err) => match err.retry_decision() {
RetryDecision::TryAlternativeEndpoints if is_endpoints_alternative => {
Err(ControlFlow::DontRetry(err))
}
RetryDecision::DontRetry => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::DontRetry(err))
}
_ => {
retried.increase_abandoned_ips_of_current_endpoint();
Err(ControlFlow::TryNext(Some(err)))
}
},
}
}
#[allow(clippy::too_many_arguments)]
async fn try_domain_with_ips(
domain_with_port: &DomainWithPort,
remaining_ips: &mut IpAddrsSet,
tried_ips: &mut IpAddrsSet,
parts: &InnerRequestParts<'_>,
body: &mut AsyncRequestBody<'_>,
extensions: &mut Extensions,
retried: &mut RetriedStatsInfo,
is_endpoints_alternative: bool,
) -> Result<AsyncResponse, TryFlow<TryErrorWithExtensions>> {
let chosen_ips = match remaining_ips.remains() {
ips if !ips.is_empty() => async_choose(parts, &ips, extensions, retried)
.await
.map_err(|err| err.with_extensions(take(extensions)))
.map_err(TryFlow::TryAgain)?,
_ => vec![],
};
if chosen_ips.is_empty() {
Err(TryFlow::TryNext(None))
} else {
remaining_ips.difference_slice(&chosen_ips);
tried_ips.union_slice(&chosen_ips);
retried.switch_ips();
let chosen_ips = IpAddrs::from(chosen_ips);
debug!("Try domain with IPs: {}({})", domain_with_port, chosen_ips);
match try_domain_or_single_ip(
&DomainOrIpAddr::new_from_domain(domain_with_port.to_owned(), chosen_ips.into()),
parts,
body,
take(extensions),
retried,
is_endpoints_alternative,
)
.await
{
Ok(response) => Ok(response),
Err(SingleTryFlow::TryAgain(err)) => Err(TryFlow::TryAgain(err)),
Err(SingleTryFlow::DontRetry(err)) => Err(TryFlow::DontRetry(err)),
}
}
}sourcepub fn retried_total(&self) -> usize
pub fn retried_total(&self) -> usize
获取总共重试的次数
Examples found in repository?
More examples
src/client/retrier/limited.rs (line 28)
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
fn retry(self, decision: RetryDecision, retries: usize, opts: RequestRetrierOptions) -> RetryDecision {
match self {
Self::LimitCurrentEndpoint => match decision {
RetryDecision::RetryRequest | RetryDecision::Throttled
if opts.retried().retried_on_current_endpoint() >= retries =>
{
RetryDecision::TryNextServer
}
result => result,
},
Self::LimitTotal => match decision {
RetryDecision::RetryRequest | RetryDecision::Throttled if opts.retried().retried_total() >= retries => {
RetryDecision::DontRetry
}
result => result,
},
}
}sourcepub fn retried_on_current_endpoint(&self) -> usize
pub fn retried_on_current_endpoint(&self) -> usize
获取当前终端地址的重试次数
Examples found in repository?
More examples
src/client/retrier/limited.rs (line 21)
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
fn retry(self, decision: RetryDecision, retries: usize, opts: RequestRetrierOptions) -> RetryDecision {
match self {
Self::LimitCurrentEndpoint => match decision {
RetryDecision::RetryRequest | RetryDecision::Throttled
if opts.retried().retried_on_current_endpoint() >= retries =>
{
RetryDecision::TryNextServer
}
result => result,
},
Self::LimitTotal => match decision {
RetryDecision::RetryRequest | RetryDecision::Throttled if opts.retried().retried_total() >= retries => {
RetryDecision::DontRetry
}
result => result,
},
}
}sourcepub fn retried_on_current_ips(&self) -> usize
pub fn retried_on_current_ips(&self) -> usize
获取当前 IP 地址的重试次数
sourcepub fn abandoned_endpoints(&self) -> usize
pub fn abandoned_endpoints(&self) -> usize
获取放弃的终端地址的数量
sourcepub fn abandoned_ips_of_current_endpoint(&self) -> usize
pub fn abandoned_ips_of_current_endpoint(&self) -> usize
获取放弃的终端的 IP 地址的数量
sourcepub fn switched_to_alternative_endpoints(&self) -> bool
pub fn switched_to_alternative_endpoints(&self) -> bool
是否切换到了备选终端地址
Trait Implementations§
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