sysmaster/backport-fix-start-and-stop-repeatly-if-the-unit-is-already-i.patch
2022-09-13 14:13:31 +08:00

277 lines
8.4 KiB
Diff

From 8974d82867d2ebc5fef178514eae7422b8a5fa47 Mon Sep 17 00:00:00 2001
From: l00346806 <lixiaoguang2@huawei.com>
Date: Thu, 8 Sep 2022 22:07:27 +0800
Subject: [PATCH 4/4] fix start and stop repeatly, if the unit is already in
process, just return before do action.
Signed-off-by: Xiaoguang Li <lixiaoguang2@huawei.com>
---
components/service/src/service_mng.rs | 40 ++++++++++++++-----
components/service/src/service_pid.rs | 14 +++++++
components/service/src/service_unit.rs | 6 ++-
components/socket/src/socket_mng.rs | 12 +++---
components/socket/src/socket_unit.rs | 15 ++++++-
.../src/manager/unit/unit_entry/u_entry.rs | 10 +++++
6 files changed, 77 insertions(+), 20 deletions(-)
diff --git a/components/service/src/service_mng.rs b/components/service/src/service_mng.rs
index b8ac9f2..f11c23c 100755
--- a/components/service/src/service_mng.rs
+++ b/components/service/src/service_mng.rs
@@ -115,7 +115,7 @@ impl ServiceMng {
}
}
- pub(super) fn start_check(&self) -> Result<(), UnitActionError> {
+ pub(super) fn start_check(&self) -> Result<bool, UnitActionError> {
if IN_SET!(
self.state(),
ServiceState::Stop,
@@ -131,7 +131,18 @@ impl ServiceMng {
return Err(UnitActionError::UnitActionEAgain);
}
- Ok(())
+ // service is in starting
+ if IN_SET!(
+ self.state(),
+ ServiceState::Condition,
+ ServiceState::StartPre,
+ ServiceState::Start,
+ ServiceState::StartPost
+ ) {
+ return Ok(true);
+ }
+
+ Ok(false)
}
pub(super) fn start_action(&self) {
@@ -140,15 +151,16 @@ impl ServiceMng {
}
pub(super) fn stop_check(&self) -> Result<(), UnitActionError> {
- let stop_state = vec![
+ if IN_SET!(
+ self.state(),
ServiceState::Stop,
ServiceState::StopSigterm,
ServiceState::StopSigkill,
ServiceState::StopPost,
- ];
-
- if stop_state.contains(&self.state()) {
- return Err(UnitActionError::UnitActionEAlready);
+ ServiceState::FinalSigterm,
+ ServiceState::FinalSigkill
+ ) {
+ return Ok(());
}
Ok(())
@@ -306,7 +318,11 @@ impl ServiceMng {
if self.result() != ServiceResult::Success {
self.enter_signal(ServiceState::StopSigterm, sr);
} else if self.service_alive() {
- self.set_state(ServiceState::Runing);
+ if self.rd.notify_state() == NotifyState::Stoping {
+ self.enter_stop_by_notify();
+ } else {
+ self.set_state(ServiceState::Runing);
+ }
} else if let Some(remain_after_exit) =
self.config.config_data().borrow().Service.RemainAfterExit
{
@@ -514,8 +530,11 @@ impl ServiceMng {
}
fn service_alive(&self) -> bool {
- // todo!()
- true
+ if let Ok(v) = self.pid.main_alive() {
+ return v;
+ }
+
+ self.cgroup_good()
}
fn run_next_control(&self) {
@@ -660,7 +679,6 @@ impl ServiceMng {
msg: "main pid is not alive",
});
}
-
if self
.comm
.um()
diff --git a/components/service/src/service_pid.rs b/components/service/src/service_pid.rs
index b976c5e..b2841ef 100755
--- a/components/service/src/service_pid.rs
+++ b/components/service/src/service_pid.rs
@@ -1,7 +1,9 @@
use super::service_comm::ServiceComm;
use nix::unistd::Pid;
+use process1::manager::UnitActionError;
use std::cell::RefCell;
use std::rc::Rc;
+use utils::process_util;
pub(super) struct ServicePid {
comm: Rc<ServiceComm>,
@@ -59,6 +61,10 @@ impl ServicePid {
pub(super) fn control(&self) -> Option<Pid> {
self.data.borrow().control()
}
+
+ pub(super) fn main_alive(&self) -> Result<bool, UnitActionError> {
+ self.data.borrow().main_alive()
+ }
}
struct ServicePidData {
@@ -98,4 +104,12 @@ impl ServicePidData {
pub(self) fn control(&self) -> Option<Pid> {
self.control.as_ref().cloned()
}
+
+ pub(self) fn main_alive(&self) -> Result<bool, UnitActionError> {
+ if self.main.is_none() {
+ return Err(UnitActionError::UnitActionEAgain);
+ }
+
+ Ok(process_util::alive(self.main.unwrap()))
+ }
}
diff --git a/components/service/src/service_unit.rs b/components/service/src/service_unit.rs
index d9826f8..9ab1679 100755
--- a/components/service/src/service_unit.rs
+++ b/components/service/src/service_unit.rs
@@ -55,7 +55,11 @@ impl UnitObj for ServiceUnit {
fn start(&self) -> Result<(), UnitActionError> {
log::debug!("begin to start the service unit");
- self.mng.start_check()?;
+ let started = self.mng.start_check()?;
+ if started {
+ log::debug!("service already in starting, just return immediately");
+ return Ok(());
+ }
self.monitor.start_action();
self.mng.start_action();
diff --git a/components/socket/src/socket_mng.rs b/components/socket/src/socket_mng.rs
index 9cca6f3..596fc12 100644
--- a/components/socket/src/socket_mng.rs
+++ b/components/socket/src/socket_mng.rs
@@ -150,7 +150,7 @@ impl SocketMng {
.map_or(None, |v| Some(v.to_string()))
}
- pub(super) fn start_check(&self) -> Result<(), UnitActionError> {
+ pub(super) fn start_check(&self) -> Result<bool, UnitActionError> {
if IN_SET!(
self.state(),
SocketState::StopPre,
@@ -170,7 +170,7 @@ impl SocketMng {
SocketState::StartChown,
SocketState::StartPost
) {
- return Ok(());
+ return Ok(true);
}
self.unit_ref_target()
@@ -179,7 +179,7 @@ impl SocketMng {
Err(e) => Err(e),
})?;
- Ok(())
+ Ok(false)
}
pub(super) fn start_action(&self) {
@@ -190,7 +190,7 @@ impl SocketMng {
self.enter_stop_pre(SocketResult::Success)
}
- pub(super) fn stop_check(&self) -> Result<(), UnitActionError> {
+ pub(super) fn stop_check(&self) -> Result<bool, UnitActionError> {
if IN_SET!(
self.state(),
SocketState::StopPre,
@@ -200,7 +200,7 @@ impl SocketMng {
SocketState::FinalSigterm,
SocketState::FinalSigkill
) {
- return Ok(());
+ return Ok(true);
}
if IN_SET!(
@@ -213,7 +213,7 @@ impl SocketMng {
return Err(UnitActionError::UnitActionEAgain);
}
- Ok(())
+ Ok(false)
}
pub(super) fn current_active_state(&self) -> UnitActiveState {
diff --git a/components/socket/src/socket_unit.rs b/components/socket/src/socket_unit.rs
index 0e25ed0..2db7154 100644
--- a/components/socket/src/socket_unit.rs
+++ b/components/socket/src/socket_unit.rs
@@ -53,7 +53,13 @@ impl UnitObj for SocketUnit {
// the function entrance to start the unit
fn start(&self) -> Result<(), UnitActionError> {
self.ports.attach(self.mng.clone());
- self.mng.start_check()?;
+
+ let starting = self.mng.start_check()?;
+ if starting {
+ log::debug!("socket already in start");
+ return Ok(());
+ }
+
self.mng.start_action();
Ok(())
@@ -64,7 +70,12 @@ impl UnitObj for SocketUnit {
}
fn stop(&self) -> Result<(), UnitActionError> {
- self.mng.stop_check()?;
+ let stoping = self.mng.stop_check()?;
+ if stoping {
+ log::debug!("socket already in stop, return immediretly");
+ return Ok(());
+ }
+
self.mng.stop_action();
Ok(())
diff --git a/process1/src/manager/unit/unit_entry/u_entry.rs b/process1/src/manager/unit/unit_entry/u_entry.rs
index 904ade1..9653dd8 100644
--- a/process1/src/manager/unit/unit_entry/u_entry.rs
+++ b/process1/src/manager/unit/unit_entry/u_entry.rs
@@ -458,6 +458,16 @@ impl Unit {
}
pub(super) fn stop(&self) -> Result<(), UnitActionError> {
+ let active_state = self.current_active_state();
+ let inactive_or_failed = match active_state {
+ UnitActiveState::UnitInActive | UnitActiveState::UnitFailed => true,
+ _ => false,
+ };
+
+ if inactive_or_failed {
+ return Err(UnitActionError::UnitActionEAlready);
+ }
+
self.sub.stop()
}
--
2.30.2