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https://github.com/tahoe-lafs/tahoe-lafs.git
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94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
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import weakref
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from twisted.application import service
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class History(service.Service):
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"""Keep track of recent operations, for a status display."""
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name = "history"
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MAX_DOWNLOAD_STATUSES = 10
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MAX_UPLOAD_STATUSES = 10
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MAX_MAPUPDATE_STATUSES = 20
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MAX_PUBLISH_STATUSES = 20
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MAX_RETRIEVE_STATUSES = 20
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def __init__(self, stats_provider=None):
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self.stats_provider = stats_provider
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self.all_downloads_statuses = weakref.WeakKeyDictionary()
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self.recent_download_statuses = []
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self.all_upload_statuses = weakref.WeakKeyDictionary()
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self.recent_upload_statuses = []
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self.all_mapupdate_status = weakref.WeakKeyDictionary()
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self.recent_mapupdate_status = []
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self.all_publish_status = weakref.WeakKeyDictionary()
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self.recent_publish_status = []
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self.all_retrieve_status = weakref.WeakKeyDictionary()
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self.recent_retrieve_status = []
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def add_download(self, download_status):
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self.all_downloads_statuses[download_status] = None
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self.recent_download_statuses.append(download_status)
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while len(self.recent_download_statuses) > self.MAX_DOWNLOAD_STATUSES:
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self.recent_download_statuses.pop(0)
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def list_all_download_statuses(self):
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for ds in self.all_downloads_statuses:
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yield ds
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def add_upload(self, upload_status):
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self.all_upload_statuses[upload_status] = None
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self.recent_upload_statuses.append(upload_status)
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while len(self.recent_upload_statuses) > self.MAX_UPLOAD_STATUSES:
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self.recent_upload_statuses.pop(0)
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def list_all_upload_statuses(self):
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for us in self.all_upload_statuses:
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yield us
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def notify_mapupdate(self, p):
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self.all_mapupdate_status[p] = None
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self.recent_mapupdate_status.append(p)
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while len(self.recent_mapupdate_status) > self.MAX_MAPUPDATE_STATUSES:
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self.recent_mapupdate_status.pop(0)
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def notify_publish(self, p, size):
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self.all_publish_status[p] = None
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self.recent_publish_status.append(p)
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if self.stats_provider:
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self.stats_provider.count('mutable.files_published', 1)
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# We must be told bytes_published as an argument, since the
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# publish_status does not yet know how much data it will be asked
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# to send. When we move to MDMF we'll need to find a better way
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# to handle this.
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self.stats_provider.count('mutable.bytes_published', size)
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while len(self.recent_publish_status) > self.MAX_PUBLISH_STATUSES:
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self.recent_publish_status.pop(0)
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def notify_retrieve(self, r):
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self.all_retrieve_status[r] = None
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self.recent_retrieve_status.append(r)
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if self.stats_provider:
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self.stats_provider.count('mutable.files_retrieved', 1)
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self.stats_provider.count('mutable.bytes_retrieved', r.get_size())
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while len(self.recent_retrieve_status) > self.MAX_RETRIEVE_STATUSES:
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self.recent_retrieve_status.pop(0)
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def list_all_mapupdate_statuses(self):
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for s in self.all_mapupdate_status:
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yield s
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def list_all_publish_statuses(self):
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for s in self.all_publish_status:
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yield s
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def list_all_retrieve_statuses(self):
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for s in self.all_retrieve_status:
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yield s
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