X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fdatamanager.lua;h=a107d95c26904a697a949157f8caa706ca46a696;hb=533fc1fa57ce10fc0821f8edaeb247f2710a543c;hp=383e738fa1d93c1b104e284cf9a044d5ef0f6fcc;hpb=e39ca2e18703f75cb1524f40b14d19c55d9c41a3;p=prosody.git

diff --git a/util/datamanager.lua b/util/datamanager.lua
index 383e738f..a107d95c 100644
--- a/util/datamanager.lua
+++ b/util/datamanager.lua
@@ -163,7 +163,7 @@ local function atomic_store(filename, data)
 	return nil, msg;
 end
 
-if prosody.platform ~= "posix" then
+if prosody and prosody.platform ~= "posix" then
 	-- os.rename does not overwrite existing files on Windows
 	-- TODO We could use Transactional NTFS on Vista and above
 	function atomic_store(filename, data)
@@ -187,17 +187,25 @@ function store(username, host, datastore, data)
 
 	-- save the datastore
 	local d = "return " .. serialize(data) .. ";\n";
-	local ok, msg = atomic_store(getpath(username, host, datastore, nil, true), d);
-	if not ok then
-		log("error", "Unable to write to %s storage ('%s') for user: %s@%s", datastore, msg, username or "nil", host or "nil");
-		return nil, "Error saving to storage";
-	end
-	if next(data) == nil then -- try to delete empty datastore
-		log("debug", "Removing empty %s datastore for user %s@%s", datastore, username or "nil", host or "nil");
-		os_remove(getpath(username, host, datastore));
-	end
-	-- we write data even when we are deleting because lua doesn't have a
-	-- platform independent way of checking for non-exisitng files
+	local mkdir_cache_cleared;
+	repeat
+		local ok, msg = atomic_store(getpath(username, host, datastore, nil, true), d);
+		if not ok then
+			if not mkdir_cache_cleared then -- We may need to recreate a removed directory
+				_mkdir = {};
+				mkdir_cache_cleared = true;
+			else
+				log("error", "Unable to write to %s storage ('%s') for user: %s@%s", datastore, msg, username or "nil", host or "nil");
+				return nil, "Error saving to storage";
+			end
+		end
+		if next(data) == nil then -- try to delete empty datastore
+			log("debug", "Removing empty %s datastore for user %s@%s", datastore, username or "nil", host or "nil");
+			os_remove(getpath(username, host, datastore));
+		end
+		-- we write data even when we are deleting because lua doesn't have a
+		-- platform independent way of checking for non-exisitng files
+	until ok;
 	return true;
 end
 
@@ -285,7 +293,7 @@ function users(host, store, typ)
 
 	local mode, err = lfs.attributes(store_dir, "mode");
 	if not mode then
-		return function() log("debug", err or (store_dir .. " does not exist")) end
+		return function() log("debug", "%s", err or (store_dir .. " does not exist")) end
 	end
 	local next, state = lfs.dir(store_dir);
 	return function(state)
@@ -340,8 +348,12 @@ end
 
 function purge(username, host)
 	local host_dir = format("%s/%s/", data_path, encode(host));
+	local ok, iter, state, var = pcall(lfs.dir, host_dir);
+	if not ok then
+		return ok, iter;
+	end
 	local errs = {};
-	for file in lfs.dir(host_dir) do
+	for file in iter, state, var do
 		if lfs.attributes(host_dir..file, "mode") == "directory" then
 			local store = decode(file);
 			local ok, err = do_remove(getpath(username, host, store));
@@ -354,4 +366,6 @@ function purge(username, host)
 	return #errs == 0, t_concat(errs, ", ");
 end
 
+_M.path_decode = decode;
+_M.path_encode = encode;
 return _M;