-function module_has_method(module, method)
- return type(module.module[method]) == "function";
-end
-
-function call_module_method(module, method, ...)
- if module_has_method(module, method) then
- local f = module.module[method];
- return pcall(f, ...);
- else
- return false, "no-such-method";
- end
-end
-
------ API functions exposed to modules -----------
--- Must all be in api.*
-
--- Returns the name of the current module
-function api:get_name()
- return self.name;
-end
-
--- Returns the host that the current module is serving
-function api:get_host()
- return self.host;
-end
-
-function api:get_host_type()
- return hosts[self.host].type;
-end
-
-function api:set_global()
- self.host = "*";
- -- Update the logger
- local _log = logger.init("mod_"..self.name);
- self.log = function (self, ...) return _log(...); end;
- self._log = _log;
-end
-
-local function _add_handler(module, origin_type, tag, xmlns, handler)
- local handlers = stanza_handlers:get(module.host, origin_type, tag, xmlns);
- local msg = (tag == "iq") and "namespace" or "payload namespace";
- if not handlers then
- stanza_handlers:add(module.host, origin_type, tag, xmlns, handler);
- handler_info[handler] = module;
- handler_table:add(module.host, module.name, {module.host, origin_type, tag, xmlns});
- --module:log("debug", "I now handle tag '%s' [%s] with %s '%s'", tag, origin_type, msg, xmlns);
- else
- module:log("warn", "I wanted to handle tag '%s' [%s] with %s '%s' but mod_%s already handles that", tag, origin_type, msg, xmlns, handler_info[handlers[1]].module.name);
- end
-end
-
-function api:add_handler(origin_type, tag, xmlns, handler)
- if not (origin_type and tag and xmlns and handler) then return false; end
- if type(origin_type) == "table" then
- for _, origin_type in ipairs(origin_type) do
- _add_handler(self, origin_type, tag, xmlns, handler);
- end
- else
- _add_handler(self, origin_type, tag, xmlns, handler);
- end
-end
-function api:add_iq_handler(origin_type, xmlns, handler)
- self:add_handler(origin_type, "iq", xmlns, handler);
-end
-
-function api:add_feature(xmlns)
- self:add_item("feature", xmlns);
-end
-function api:add_identity(category, type, name)
- self:add_item("identity", {category = category, type = type, name = name});
-end
-
-local event_hook = function(host, mod_name, event_name, ...)
- if type((...)) == "table" and (...).host and (...).host ~= host then return; end
- for handler in pairs(event_hooks:get(host, mod_name, event_name) or NULL) do
- handler(...);
- end
-end;
-function api:add_event_hook(name, handler)
- if not hooked:get(self.host, self.name, name) then
- eventmanager.add_event_hook(name, function(...) event_hook(self.host, self.name, name, ...); end);
- hooked:set(self.host, self.name, name, true);