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authorMatthew Wild <mwild1@gmail.com>2018-03-22 16:25:20 +0000
committerMatthew Wild <mwild1@gmail.com>2018-03-22 16:25:20 +0000
commit576f77a1c83b4db03f00c0bed4d884bd1afca626 (patch)
treecb4e968672cc75fc1f744b46639d042e589058b0 /core/storagemanager.lua
parent2846eb2eb2f74c0d67a0afdfb388846690e54fe2 (diff)
downloadprosody-576f77a1c83b4db03f00c0bed4d884bd1afca626.tar.gz
prosody-576f77a1c83b4db03f00c0bed4d884bd1afca626.zip
storagemanager: Log warning on storage access outside of async contexts
Diffstat (limited to 'core/storagemanager.lua')
-rw-r--r--core/storagemanager.lua32
1 files changed, 32 insertions, 0 deletions
diff --git a/core/storagemanager.lua b/core/storagemanager.lua
index 0aac947d..5947414b 100644
--- a/core/storagemanager.lua
+++ b/core/storagemanager.lua
@@ -1,6 +1,7 @@
local type, pairs = type, pairs;
local setmetatable = setmetatable;
+local rawset, error = rawset, error;
local config = require "core.configmanager";
local datamanager = require "util.datamanager";
@@ -8,6 +9,8 @@ local modulemanager = require "core.modulemanager";
local multitable = require "util.multitable";
local hosts = hosts;
local log = require "util.logger".init("storagemanager");
+local async = require "util.async";
+local debug = debug;
local prosody = prosody;
@@ -29,8 +32,34 @@ local null_storage_driver = setmetatable(
}
);
+local async_check = config.get("*", "storage_async_check") ~= false;
+
local stores_available = multitable.new();
+local function check_async_wrapper(event)
+ local store = event.store;
+ event.store = setmetatable({}, {
+ __index = function (t, method_name)
+ local original_method = store[method_name];
+ if type(original_method) ~= "function" then
+ if original_method then
+ rawset(t, method_name, original_method);
+ end
+ return original_method;
+ end
+ local wrapped_method = function (...)
+ if not async.ready() then
+ log("warn", "ASYNC-01: Attempt to access storage outside async context, "
+ .."see https://prosody.im/doc/developers/async - %s", debug.traceback());
+ end
+ return original_method(...);
+ end
+ rawset(t, method_name, wrapped_method);
+ return wrapped_method;
+ end;
+ });
+end
+
local function initialize_host(host)
local host_session = hosts[host];
host_session.events.add_handler("item-added/storage-provider", function (event)
@@ -42,6 +71,9 @@ local function initialize_host(host)
local item = event.item;
stores_available:set(host, item.name, nil);
end);
+ if async_check then
+ host_session.events.add_handler("store-opened", check_async_wrapper);
+ end
end
prosody.events.add_handler("host-activated", initialize_host, 101);