1 files changed, 85 insertions, 0 deletions
diff --git a/misc/freeswitch/scripts/dialplan/callback.lua b/misc/freeswitch/scripts/dialplan/callback.lua
new file mode 100644
index 0000000..f6fd48e
--- /dev/null
+++ b/misc/freeswitch/scripts/dialplan/callback.lua
@@ -0,0 +1,85 @@
+-- Gemeinschaft 5 module: callback class
+-- (c) AMOOMA GmbH 2013
+-- 
+
+module(...,package.seeall)
+
+Callback = {}
+
+-- create callback callback ;)
+function Callback.new(self, arg)
+  arg = arg or {}
+  callback = arg.callback or {}
+  setmetatable(callback, self);
+  self.__index = self;
+  self.class = 'callback';
+  self.log = arg.log;
+  self.session = arg.session;
+  self.sessions = {};
+  local id = common.str.to_i(self.session);
+  self.sessions[id] = { id = id, session = self.session, dtmf = {} };
+  return callback;
+end
+
+
+function Callback.callback(self, class, identifier, callback_function, callback_instance, callback_session)
+  local id = common.str.to_i(callback_session or self.session);
+  local session_record = self.sessions[id];
+
+  if not session_record and callback_session then
+    self.sessions[id] = { id = id, session = callback_session, dtmf = {} };
+    session_record = self.sessions[id];
+  end
+  
+  if not session_record then
+    return false;
+  end
+
+
+  _G['global_callback_record_' .. id] = session_record;
+
+  session_record.session:setInputCallback('global_callback_handler', 'global_callback_record_' .. id);
+  session_record[class][identifier] = { method = callback_function, instance = callback_instance };
+
+  return true;
+end
+
+
+function Callback.callback_unset(self, class, identifier, callback_session)
+ local session_record = self.sessions[tostring(callback_session or self.session)];
+  if not session_record then
+    return false;
+  end
+
+  -- session_record.session:unsetInputCallback();
+  session_record[class][identifier] = nil;
+
+  return true;
+end
+
+
+function Callback.run(self, arg)
+  local identifier = arg[2];
+  local data = arg[3];
+  local session_record = arg[4];
+  local callbacks = session_record[identifier];
+
+  local return_value = nil;
+  if callbacks then
+    for identifier, callback in pairs(callbacks) do
+      if callback.method then
+        local result = nil;
+        if callback.instance then
+          result = callback.method(callback.instance, data);
+        else
+          result = callback.method(data.digit, data);
+        end
+        if result == false then
+          return_value = 'break';
+        end
+      end
+    end
+  end
+
+  return return_value;
+end