diff options
Diffstat (limited to 'share/common/msapi/helper.py')
| -rw-r--r-- | share/common/msapi/helper.py | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/share/common/msapi/helper.py b/share/common/msapi/helper.py index 48626cc9..bb07b097 100644 --- a/share/common/msapi/helper.py +++ b/share/common/msapi/helper.py @@ -187,7 +187,7 @@ class MultiCloudThreadHelper(object): self.backlog = {} # expired backlog items self.expired_backlog = {} - # self.lock = threading.Lock() + self.lock = threading.Lock() self.state_ = 0 # 0: stopped, 1: started self.thread = None @@ -195,12 +195,14 @@ class MultiCloudThreadHelper(object): return self.state_ def start(self): + self.lock.acquire() if 0 == self.state_: self.state_ = 1 self.thread = MultiCloudThreadHelper.HelperThread(self) self.thread.start() else: pass + self.lock.release() def stop(self): self.state_ = 0 @@ -215,6 +217,8 @@ class MultiCloudThreadHelper(object): backlog_item["timestamp"] = 0 # self.lock.acquire() + # make sure there is no identical backlog in expired backlog + self.expired_backlog.pop(backlog_item["id"], None) self.backlog.update(backlog_item["id"], backlog_item) # self.lock.release() return len(self.backlog) @@ -222,6 +226,13 @@ class MultiCloudThreadHelper(object): def get(self, backlog_id): self.backlog.get(backlog_id, None) or self.expired_backlog.get(backlog_id, None) + # check if the backlog item is in expired backlog + def expired(self, backlog_id): + if not self.backlog.get(backlog_id, None): + if self.expired_backlog.get(backlog_id, None): + return True + return False + def remove(self, backlog_id): # self.lock.acquire() self.backlog.pop(backlog_id, None) @@ -246,18 +257,25 @@ class MultiCloudThreadHelper(object): def run(self): logger.debug("Start processing backlogs") + nexttimer = 0 while self.owner.state_ == 1 and self.owner.count() > 0: + if nexttimer > 1000000: + # sleep in case of interval > 1 second + time.sleep(nexttimer // 1000000) + nexttimer = 30*1000000 # initial interval in us to be updated:30 seconds for backlog_id, item in self.owner.backlog: # check interval for repeatable backlog item now = MultiCloudThreadHelper.get_epoch_now_usecond() repeat_interval = item.get("repeat", 0) if repeat_interval > 0: timestamp = item.get("timestamp", 0) + timeleft = (now - timestamp + if now > timestamp + else repeat_interval) + nexttimer = timeleft if nexttimer > timeleft else nexttimer # compare interval with elapsed time. # workaround the case of timestamp turnaround - if repeat_interval > (now - timestamp - if now > timestamp - else repeat_interval): + if repeat_interval > timeleft: # not time to run this backlog item yet continue |