From 0e3c4d40b8195c898db04bf337f72c5388201cf4 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Tue, 12 Mar 2019 15:00:15 -0400
Subject: [PATCH] Add some Eliot events related to fs notifications

---
 src/allmydata/util/eliotutil.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/allmydata/util/eliotutil.py b/src/allmydata/util/eliotutil.py
index 0dce576ce..f92591d3e 100644
--- a/src/allmydata/util/eliotutil.py
+++ b/src/allmydata/util/eliotutil.py
@@ -18,6 +18,9 @@ __all__ = [
     "opt_help_eliot_destinations",
     "validateInstanceOf",
     "validateSetMembership",
+    "MAYBE_NOTIFY",
+    "CALLBACK",
+    "INOTIFY_EVENTS",
     "RELPATH",
     "VERSION",
     "LAST_UPLOADED_URI",
@@ -54,6 +57,7 @@ from eliot import (
     ILogger,
     Message,
     Field,
+    ActionType,
     FileDestination,
     add_destinations,
     remove_destination,
@@ -270,6 +274,27 @@ PATHINFO = Field(
     validateInstanceOf((type(None), PathInfo)),
 )
 
+INOTIFY_EVENTS = Field(
+    u"inotify_events",
+    humanReadableMask,
+    u"Details about a filesystem event generating a notification event.",
+    validateInstanceOf((int, long)),
+)
+
+MAYBE_NOTIFY = ActionType(
+    u"filesystem:notification:maybe-notify",
+    [],
+    [],
+    u"A filesystem event is being considered for dispatch to an application handler.",
+)
+
+CALLBACK = ActionType(
+    u"filesystem:notification:callback",
+    [INOTIFY_EVENTS],
+    [],
+    u"A filesystem event is being dispatched to an application callback."
+)
+
 def eliot_logging_service(reactor, destinations):
     """
     Parse the given Eliot destination descriptions and return an ``IService``