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https://github.com/octoleo/lsyncd.git
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removed e2s to reduce weak tables logic complexity
This commit is contained in:
Axel Kittenberger
parent
8ad858f95a
commit
8ff50c0a48
53
lsyncd.lua
53
lsyncd.lua
@ -305,13 +305,17 @@ local Delay = (function()
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--
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-- @params see below
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--
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local function new(etype, alarm, path, path2)
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local function new(etype, sync, alarm, path, path2)
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local o = {
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-----
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-- Type of event.
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-- Can be 'Create', 'Modify', 'Attrib', 'Delete' and 'Move'
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etype = etype,
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------
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-- Sync this delay belongs to
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sync = sync,
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-----
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-- Latest point in time this should be catered for.
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-- This value is in kernel ticks, return of the C's
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@ -328,7 +332,6 @@ local Delay = (function()
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------
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-- only not nil for 'Move's.
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-- path and file/dirname of a move destination.
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--
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path2 = path2,
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------
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@ -340,7 +343,6 @@ local Delay = (function()
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-- visible as all references should be droped on
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-- collection, nevertheless seperat status for
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-- insurrance.
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--
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status = 'wait',
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-----
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@ -523,11 +525,8 @@ local InletFactory = (function()
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-- table to receive the delay of an event.
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-- or the delay list of an event list.
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local e2d = {}
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-- table to receive the sync of an event or event list
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local e2s = {}
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-- dont stop the garbage collector to remove entries.
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setmetatable(e2d, { __mode = 'v' })
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setmetatable(e2s, { __mode = 'kv' })
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-----
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-- removes the trailing slash from a path
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@ -558,14 +557,14 @@ local InletFactory = (function()
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-- TODO give user a readonly version.
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--
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config = function(event)
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return e2s[event].config
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return e2d[event].sync.config
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end,
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-----
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-- Returns the inlet belonging to an event.
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--
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inlet = function(event)
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return e2s[event].inlet
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return e2d[event].sync.inlet
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end,
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-----
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@ -644,7 +643,7 @@ local InletFactory = (function()
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-- All symlinks will have been resolved.
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--
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source = function(event)
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return e2s[event].source
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return e2d[event].sync.source
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end,
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------
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@ -652,7 +651,7 @@ local InletFactory = (function()
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-- Includes a trailing slash for dirs.
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--
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sourcePath = function(event)
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return e2s[event].source .. getPath(event)
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return e2d[event].sync.source .. getPath(event)
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end,
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------
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@ -660,7 +659,7 @@ local InletFactory = (function()
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-- Includes a trailing slash.
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--
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sourcePathdir = function(event)
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return e2s[event].source ..
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return e2d[event].sync.source ..
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(string.match(getPath(event), '^(.*/)[^/]+/?') or '')
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end,
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@ -669,7 +668,7 @@ local InletFactory = (function()
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-- Excludes a trailing slash for dirs.
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--
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sourcePathname = function(event)
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return e2s[event].source .. cutSlash(getPath(event))
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return e2d[event].sync.source .. cutSlash(getPath(event))
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end,
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------
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@ -680,7 +679,7 @@ local InletFactory = (function()
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-- existance of 'target', this is up to the scripts.)
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--
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target = function(event)
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return e2s[event].config.target
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return e2d[event].sync.config.target
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end,
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------
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@ -688,7 +687,7 @@ local InletFactory = (function()
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-- Includes a trailing slash for dirs.
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--
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targetPath = function(event)
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return e2s[event].config.target .. getPath(event)
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return e2d[event].sync.config.target .. getPath(event)
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end,
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------
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@ -696,7 +695,7 @@ local InletFactory = (function()
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-- Includes a trailing slash.
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--
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targetPathdir = function(event)
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return e2s[event].config.target ..
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return e2d[event].sync.config.target ..
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(string.match(getPath(event), '^(.*/)[^/]+/?') or '')
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end,
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@ -705,7 +704,7 @@ local InletFactory = (function()
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-- Excludes a trailing slash for dirs.
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--
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targetPathname = function(event)
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return e2s[event].config.target ..
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return e2d[event].sync.config.target ..
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cutSlash(getPath(event))
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end,
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}
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@ -733,7 +732,7 @@ local InletFactory = (function()
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local eventListFuncs = {
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-----
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-- Returns a list of paths of all events in list.
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--
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--
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-- @param elist -- handle returned by getevents()
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-- @param mutator -- if not nil called with (etype, path, path2)
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-- returns one or two strings to add.
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@ -770,7 +769,7 @@ local InletFactory = (function()
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__index = function(elist, func)
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if func == 'isList' then return true end
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if func == 'config' then return e2s[elist].config end
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if func == 'config' then return e2d[elist].sync.config end
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local f = eventListFuncs[func]
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if not f then
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@ -801,7 +800,6 @@ local InletFactory = (function()
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delay.event = event
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setmetatable(event, eventMeta)
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e2d[event] = delay
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e2s[event] = sync
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end
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return delay.event
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else
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@ -816,8 +814,6 @@ local InletFactory = (function()
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setmetatable(event2, eventMeta)
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e2d[delay.event] = delay
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e2d[delay.event2] = delay
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e2s[delay.event] = sync
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e2s[delay.event2] = sync
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-- move events have a field 'move'
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event.move = 'Fr'
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@ -836,7 +832,6 @@ local InletFactory = (function()
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dlist.elist = elist
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setmetatable(elist, eventListMeta)
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e2d[elist] = dlist
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e2s[elist] = sync
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end
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return dlist.elist
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end
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@ -954,8 +949,8 @@ local InletFactory = (function()
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-----
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-- Returns the sync from an event or list
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--
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local function getSync(agent)
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return e2s[agent]
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local function getSync(event)
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return e2d[event].sync
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end
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-----
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@ -1248,7 +1243,7 @@ local Sync = (function()
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log('Function', 'delay(',self.config.name,', ',etype,', ',path,', ',path2,')')
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-- TODO
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local function recurse()
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local function recurse()
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if etype == 'Create' and path:byte(-1) == 47 then
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local entries = lsyncd.readdir(self.source .. path)
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if entries then
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@ -1308,7 +1303,7 @@ local Sync = (function()
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alarm = now()
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end
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-- new delay
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local nd = Delay.new(etype, alarm, path, path2)
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local nd = Delay.new(etype, self, alarm, path, path2)
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if nd.etype == 'Init' or nd.etype == 'Blanket' then
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-- always stack blanket events on the last event
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log('Delay', 'Stacking ',nd.etype,' event.')
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@ -1385,7 +1380,7 @@ local Sync = (function()
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-- @param test function to test each delay
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--
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local function getDelays(self, test)
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local dlist = {}
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local dlist = { sync = self}
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local dlistn = 1
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local blocks = {}
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@ -1478,7 +1473,7 @@ local Sync = (function()
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-- Used as custom marker.
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--
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local function addBlanketDelay(self)
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local newd = Delay.new('Blanket', true, '')
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local newd = Delay.new('Blanket', self, true, '')
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newd.dpos = Queue.push(self.delays, newd)
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return newd
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end
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@ -1488,7 +1483,7 @@ local Sync = (function()
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-- Used as startup marker to call init asap.
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--
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local function addInitDelay(self)
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local newd = Delay.new('Init', true, '')
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local newd = Delay.new('Init', self, true, '')
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newd.dpos = Queue.push(self.delays, newd)
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return newd
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end
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@ -32,7 +32,7 @@ sync {
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}]]);
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-- writes all files
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local function writefiles()
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local function writefiles()
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posix.mkdir(srcdir .. "d");
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writefile(srcdir .. "erf", "erf");
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writefile(srcdir .. "eaf", "erf");
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@ -45,7 +45,7 @@ local function writefiles()
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end
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-- test if the filename exists, fails if this is different to expect
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local function testfile(filename, expect)
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local function testfile(filename, expect)
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local stat, err = posix.stat(filename)
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if stat and not expect then
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cwriteln("failure: ",filename," should be excluded");
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@ -58,7 +58,7 @@ local function testfile(filename, expect)
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end
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-- test all files
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local function testfiles()
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local function testfiles()
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testfile(trgdir .. "erf", false);
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testfile(trgdir .. "eaf", false);
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testfile(trgdir .. "erd", true);
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