aboutsummaryrefslogtreecommitdiffstats
path: root/util/datamanager.lua
diff options
context:
space:
mode:
Diffstat (limited to 'util/datamanager.lua')
-rw-r--r--util/datamanager.lua24
1 files changed, 16 insertions, 8 deletions
diff --git a/util/datamanager.lua b/util/datamanager.lua
index 585bb83d..2b47c3c4 100644
--- a/util/datamanager.lua
+++ b/util/datamanager.lua
@@ -39,10 +39,12 @@ local function fallocate(f, offset, len)
f:seek("set", offset);
return true;
end;
+local ENOENT = 2;
pcall(function()
local pposix = require "util.pposix";
raw_mkdir = pposix.mkdir or raw_mkdir; -- Doesn't trample on umask
fallocate = pposix.fallocate or fallocate;
+ ENOENT = pposix.ENOENT or ENOENT;
end);
local _ENV = nil;
@@ -122,8 +124,12 @@ local function getpath(username, host, datastore, ext, create)
end
local function load(username, host, datastore)
- local data, err = envloadfile(getpath(username, host, datastore), {});
+ local data, err, errno = envloadfile(getpath(username, host, datastore), {});
if not data then
+ if errno == ENOENT then
+ -- No such file, ok to ignore
+ return nil;
+ end
local mode = lfs.attributes(getpath(username, host, datastore), "mode");
if not mode then
log("debug", "Assuming empty %s storage ('%s') for user: %s@%s", datastore, err, username or "nil", host or "nil");
@@ -145,9 +151,9 @@ end
local function atomic_store(filename, data)
local scratch = filename.."~";
- local f, ok, msg;
+ local f, ok, msg, errno;
- f, msg = io_open(scratch, "w");
+ f, msg, errno = io_open(scratch, "w");
if not f then
return nil, msg;
end
@@ -222,11 +228,8 @@ local function append(username, host, datastore, ext, data)
local ok;
local f, msg = io_open(filename, "r+");
if not f then
+ return atomic_store(filename, data);
-- File did probably not exist, let's create it
- f, msg = io_open(filename, "w");
- if not f then
- return nil, msg, "open";
- end
end
local pos = f:seek("end");
@@ -295,8 +298,12 @@ end
local function list_load(username, host, datastore)
local items = {};
- local data, err = envloadfile(getpath(username, host, datastore, "list"), {item = function(i) t_insert(items, i); end});
+ local data, err, errno = envloadfile(getpath(username, host, datastore, "list"), {item = function(i) t_insert(items, i); end});
if not data then
+ if errno == ENOENT then
+ -- No such file, ok to ignore
+ return nil;
+ end
local mode = lfs.attributes(getpath(username, host, datastore, "list"), "mode");
if not mode then
log("debug", "Assuming empty %s storage ('%s') for user: %s@%s", datastore, err, username or "nil", host or "nil");
@@ -408,6 +415,7 @@ return {
load = load;
store = store;
append_raw = append;
+ store_raw = atomic_store;
list_append = list_append;
list_store = list_store;
list_load = list_load;