forked from MirrorHub/synapse
Move from _base to events
This commit is contained in:
Erik Johnston
parent
7d6a1dae31
commit
386b7330d2
2 changed files with 247 additions and 232 deletions
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@ -15,9 +15,7 @@
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import logging
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from synapse.api.errors import StoreError
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from synapse.events import FrozenEvent
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from synapse.events.utils import prune_event
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from synapse.util import unwrap_deferred
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from synapse.util.logutils import log_function
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from synapse.util.logcontext import preserve_context_over_fn, LoggingContext
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from synapse.util.lrucache import LruCache
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@ -29,7 +27,6 @@ from twisted.internet import defer
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from collections import namedtuple, OrderedDict
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import functools
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import simplejson as json
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import sys
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import time
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import threading
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@ -868,234 +865,6 @@ class SQLBaseStore(object):
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return self.runInteraction("_simple_max_id", func)
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@defer.inlineCallbacks
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def _get_events(self, event_ids, check_redacted=True,
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get_prev_content=False, allow_rejected=False, txn=None):
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if not event_ids:
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defer.returnValue([])
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event_map = self._get_events_from_cache(
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event_ids,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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)
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missing_events_ids = [e for e in event_ids if e not in event_map]
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if not missing_events_ids:
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defer.returnValue([
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event_map[e_id] for e_id in event_ids
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if e_id in event_map and event_map[e_id]
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])
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def get_missing(txn):
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missing_events = unwrap_deferred(self._fetch_events(
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txn,
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missing_events_ids,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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))
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event_map.update(missing_events)
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return [
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event_map[e_id] for e_id in event_ids
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if e_id in event_map and event_map[e_id]
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]
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if not txn:
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res = yield self.runInteraction("_get_events", get_missing)
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defer.returnValue(res)
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else:
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defer.returnValue(get_missing(txn))
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def _get_events_txn(self, txn, event_ids, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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return unwrap_deferred(self._get_events(
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event_ids,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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txn=txn,
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))
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def _invalidate_get_event_cache(self, event_id):
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for check_redacted in (False, True):
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for get_prev_content in (False, True):
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self._get_event_cache.invalidate(event_id, check_redacted,
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get_prev_content)
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def _get_event_txn(self, txn, event_id, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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events = self._get_events_txn(
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txn, [event_id],
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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)
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return events[0] if events else None
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def _get_events_from_cache(self, events, check_redacted, get_prev_content,
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allow_rejected):
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event_map = {}
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for event_id in events:
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try:
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ret = self._get_event_cache.get(
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event_id, check_redacted, get_prev_content
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)
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if allow_rejected or not ret.rejected_reason:
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event_map[event_id] = ret
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else:
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event_map[event_id] = None
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except KeyError:
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pass
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return event_map
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@defer.inlineCallbacks
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def _fetch_events(self, txn, events, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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if not events:
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defer.returnValue({})
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rows = []
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N = 200
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for i in range(1 + len(events) / N):
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evs = events[i*N:(i + 1)*N]
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if not evs:
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break
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sql = (
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"SELECT e.internal_metadata, e.json, r.redacts, rej.event_id "
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" FROM event_json as e"
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" LEFT JOIN rejections as rej USING (event_id)"
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" LEFT JOIN redactions as r ON e.event_id = r.redacts"
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" WHERE e.event_id IN (%s)"
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) % (",".join(["?"]*len(evs)),)
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if txn:
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txn.execute(sql, evs)
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rows.extend(txn.fetchall())
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else:
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res = yield self._execute("_fetch_events", None, sql, *evs)
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rows.extend(res)
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res = yield defer.gatherResults(
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[
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defer.maybeDeferred(
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self._get_event_from_row,
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txn,
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row[0], row[1], row[2],
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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rejected_reason=row[3],
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)
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for row in rows
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],
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consumeErrors=True,
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)
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for e in res:
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self._get_event_cache.prefill(
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e.event_id, check_redacted, get_prev_content, e
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)
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defer.returnValue({
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e.event_id: e
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for e in res if e
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})
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@defer.inlineCallbacks
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def _get_event_from_row(self, txn, internal_metadata, js, redacted,
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check_redacted=True, get_prev_content=False,
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rejected_reason=None):
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d = json.loads(js)
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internal_metadata = json.loads(internal_metadata)
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def select(txn, *args, **kwargs):
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if txn:
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return self._simple_select_one_onecol_txn(txn, *args, **kwargs)
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else:
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return self._simple_select_one_onecol(
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*args,
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desc="_get_event_from_row", **kwargs
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)
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def get_event(txn, *args, **kwargs):
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if txn:
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return self._get_event_txn(txn, *args, **kwargs)
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else:
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return self.get_event(*args, **kwargs)
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if rejected_reason:
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rejected_reason = yield select(
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txn,
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table="rejections",
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keyvalues={"event_id": rejected_reason},
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retcol="reason",
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)
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ev = FrozenEvent(
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d,
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internal_metadata_dict=internal_metadata,
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rejected_reason=rejected_reason,
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)
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if check_redacted and redacted:
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ev = prune_event(ev)
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redaction_id = yield select(
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txn,
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table="redactions",
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keyvalues={"redacts": ev.event_id},
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retcol="event_id",
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)
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ev.unsigned["redacted_by"] = redaction_id
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# Get the redaction event.
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because = yield get_event(
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txn,
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redaction_id,
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check_redacted=False
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)
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if because:
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ev.unsigned["redacted_because"] = because
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if get_prev_content and "replaces_state" in ev.unsigned:
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prev = yield get_event(
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txn,
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ev.unsigned["replaces_state"],
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get_prev_content=False,
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)
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if prev:
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ev.unsigned["prev_content"] = prev.get_dict()["content"]
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defer.returnValue(ev)
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def _parse_events(self, rows):
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return self.runInteraction(
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"_parse_events", self._parse_events_txn, rows
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)
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def _parse_events_txn(self, txn, rows):
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event_ids = [r["event_id"] for r in rows]
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return self._get_events_txn(txn, event_ids)
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def _has_been_redacted_txn(self, txn, event):
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sql = "SELECT event_id FROM redactions WHERE redacts = ?"
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txn.execute(sql, (event.event_id,))
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result = txn.fetchone()
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return result[0] if result else None
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def get_next_stream_id(self):
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with self._next_stream_id_lock:
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i = self._next_stream_id
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@ -17,6 +17,10 @@ from _base import SQLBaseStore, _RollbackButIsFineException
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from twisted.internet import defer
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from synapse.events import FrozenEvent
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from synapse.events.utils import prune_event
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from synapse.util import unwrap_deferred
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from synapse.util.logutils import log_function
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from synapse.api.constants import EventTypes
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from synapse.crypto.event_signing import compute_event_reference_hash
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@ -26,6 +30,7 @@ from syutil.jsonutil import encode_canonical_json
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from contextlib import contextmanager
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import logging
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import simplejson as json
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logger = logging.getLogger(__name__)
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@ -393,3 +398,244 @@ class EventsStore(SQLBaseStore):
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return self.runInteraction(
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"have_events", f,
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)
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@defer.inlineCallbacks
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def _get_events(self, event_ids, check_redacted=True,
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get_prev_content=False, allow_rejected=False, txn=None):
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if not event_ids:
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defer.returnValue([])
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event_map = self._get_events_from_cache(
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event_ids,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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)
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missing_events_ids = [e for e in event_ids if e not in event_map]
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if not missing_events_ids:
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defer.returnValue([
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event_map[e_id] for e_id in event_ids
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if e_id in event_map and event_map[e_id]
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])
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if not txn:
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missing_events = yield self.runInteraction(
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"_get_events",
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self._fetch_events_txn,
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missing_events_ids,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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)
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else:
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missing_events = yield self._fetch_events(
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txn,
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missing_events_ids,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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)
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event_map.update(missing_events)
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defer.returnValue([
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event_map[e_id] for e_id in event_ids
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if e_id in event_map and event_map[e_id]
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])
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def _get_events_txn(self, txn, event_ids, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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return unwrap_deferred(self._get_events(
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event_ids,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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txn=txn,
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))
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def _invalidate_get_event_cache(self, event_id):
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for check_redacted in (False, True):
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for get_prev_content in (False, True):
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self._get_event_cache.invalidate(event_id, check_redacted,
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get_prev_content)
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def _get_event_txn(self, txn, event_id, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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events = self._get_events_txn(
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txn, [event_id],
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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)
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return events[0] if events else None
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def _get_events_from_cache(self, events, check_redacted, get_prev_content,
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allow_rejected):
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event_map = {}
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for event_id in events:
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try:
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ret = self._get_event_cache.get(
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event_id, check_redacted, get_prev_content
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)
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if allow_rejected or not ret.rejected_reason:
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event_map[event_id] = ret
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else:
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event_map[event_id] = None
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except KeyError:
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pass
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return event_map
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def _fetch_events_txn(self, txn, events, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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return unwrap_deferred(self._fetch_events(
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txn, events,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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))
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@defer.inlineCallbacks
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def _fetch_events(self, txn, events, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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if not events:
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defer.returnValue({})
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rows = []
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N = 200
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for i in range(1 + len(events) / N):
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evs = events[i*N:(i + 1)*N]
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if not evs:
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break
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sql = (
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"SELECT e.internal_metadata, e.json, r.redacts, rej.event_id "
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" FROM event_json as e"
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" LEFT JOIN rejections as rej USING (event_id)"
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" LEFT JOIN redactions as r ON e.event_id = r.redacts"
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" WHERE e.event_id IN (%s)"
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) % (",".join(["?"]*len(evs)),)
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if txn:
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txn.execute(sql, evs)
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rows.extend(txn.fetchall())
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else:
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res = yield self._execute("_fetch_events", None, sql, *evs)
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rows.extend(res)
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res = yield defer.gatherResults(
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[
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defer.maybeDeferred(
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self._get_event_from_row,
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txn,
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row[0], row[1], row[2],
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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rejected_reason=row[3],
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)
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for row in rows
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],
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consumeErrors=True,
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)
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for e in res:
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self._get_event_cache.prefill(
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e.event_id, check_redacted, get_prev_content, e
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)
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defer.returnValue({
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e.event_id: e
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for e in res if e
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})
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@defer.inlineCallbacks
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def _get_event_from_row(self, txn, internal_metadata, js, redacted,
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check_redacted=True, get_prev_content=False,
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rejected_reason=None):
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d = json.loads(js)
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internal_metadata = json.loads(internal_metadata)
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def select(txn, *args, **kwargs):
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if txn:
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return self._simple_select_one_onecol_txn(txn, *args, **kwargs)
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else:
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return self._simple_select_one_onecol(
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*args,
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desc="_get_event_from_row", **kwargs
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)
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def get_event(txn, *args, **kwargs):
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if txn:
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return self._get_event_txn(txn, *args, **kwargs)
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else:
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return self.get_event(*args, **kwargs)
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if rejected_reason:
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rejected_reason = yield select(
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txn,
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table="rejections",
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keyvalues={"event_id": rejected_reason},
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retcol="reason",
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)
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ev = FrozenEvent(
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d,
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internal_metadata_dict=internal_metadata,
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rejected_reason=rejected_reason,
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)
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if check_redacted and redacted:
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ev = prune_event(ev)
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redaction_id = yield select(
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txn,
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table="redactions",
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keyvalues={"redacts": ev.event_id},
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retcol="event_id",
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)
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ev.unsigned["redacted_by"] = redaction_id
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# Get the redaction event.
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because = yield get_event(
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txn,
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redaction_id,
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check_redacted=False
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)
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|
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if because:
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ev.unsigned["redacted_because"] = because
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|
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if get_prev_content and "replaces_state" in ev.unsigned:
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prev = yield get_event(
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txn,
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ev.unsigned["replaces_state"],
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get_prev_content=False,
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)
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if prev:
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ev.unsigned["prev_content"] = prev.get_dict()["content"]
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defer.returnValue(ev)
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||||
|
||||
def _parse_events(self, rows):
|
||||
return self.runInteraction(
|
||||
"_parse_events", self._parse_events_txn, rows
|
||||
)
|
||||
|
||||
def _parse_events_txn(self, txn, rows):
|
||||
event_ids = [r["event_id"] for r in rows]
|
||||
|
||||
return self._get_events_txn(txn, event_ids)
|
||||
|
||||
def _has_been_redacted_txn(self, txn, event):
|
||||
sql = "SELECT event_id FROM redactions WHERE redacts = ?"
|
||||
txn.execute(sql, (event.event_id,))
|
||||
result = txn.fetchone()
|
||||
return result[0] if result else None
|
||||
|
|
|
|||
Loading…
Reference in a new issue