+ /* Allows modules to syncronize metadata related to channels over the network during a netburst.
+ * Whenever the linking module wants to send out data, but doesnt know what the data
+ * represents (e.g. it is Extensible metadata, added to a userrec or chanrec by a module) then
+ * this method is called.You should use the ProtoSendMetaData function after you've
+ * correctly decided how the data should be represented, to send the metadata on its way if it belongs
+ * to your module. For a good example of how to use this method, see src/modules/m_swhois.cpp.
+ * @param chan The channel whos metadata is being syncronized
+ * @param proto A pointer to the module handling network protocol
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param extname The extensions name which is being searched for
+ */
+ virtual void OnSyncChannelMetaData(chanrec* chan, Module* proto,void* opaque, const std::string &extname);
+
+ /* Allows modules to syncronize metadata related to users over the network during a netburst.
+ * Whenever the linking module wants to send out data, but doesnt know what the data
+ * represents (e.g. it is Extensible metadata, added to a userrec or chanrec by a module) then
+ * this method is called. You should use the ProtoSendMetaData function after you've
+ * correctly decided how the data should be represented, to send the metadata on its way if
+ * if it belongs to your module.
+ * @param user The user whos metadata is being syncronized
+ * @param proto A pointer to the module handling network protocol
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param extname The extensions name which is being searched for
+ */
+ virtual void OnSyncUserMetaData(userrec* user, Module* proto,void* opaque, const std::string &extname);
+
+ /* Allows modules to syncronize metadata not related to users or channels, over the network during a netburst.
+ * Whenever the linking module wants to send out data, but doesnt know what the data
+ * represents (e.g. it is Extensible metadata, added to a userrec or chanrec by a module) then
+ * this method is called. You should use the ProtoSendMetaData function after you've
+ * correctly decided how the data should be represented, to send the metadata on its way if
+ * if it belongs to your module.
+ * @param proto A pointer to the module handling network protocol
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ */
+ virtual void OnSyncOtherMetaData(Module* proto, void* opaque);
+
+ /** Allows module data, sent via ProtoSendMetaData, to be decoded again by a receiving module.
+ * Please see src/modules/m_swhois.cpp for a working example of how to use this method call.
+ * @param target_type The type of item to decode data for, TYPE_USER or TYPE_CHANNEL
+ * @param target The chanrec* or userrec* that data should be added to
+ * @param extname The extension name which is being sent
+ * @param extdata The extension data, encoded at the other end by an identical module through OnSyncChannelMetaData or OnSyncUserMetaData
+ */
+ virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata);
+
+ /** Implemented by modules which provide the ability to link servers.
+ * These modules will implement this method, which allows transparent sending of servermodes
+ * down the network link as a broadcast, without a module calling it having to know the format
+ * of the MODE command before the actual mode string.
+ *
+ * More documentation to follow soon. Please see src/modules/m_chanprotect.cpp for examples
+ * of how to use this function.
+ *
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param target_type The type of item to decode data for, TYPE_USER or TYPE_CHANNEL
+ * @param target The chanrec* or userrec* that modes should be sent for
+ * @param modeline The modes and parameters to be sent
+ */
+ virtual void ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline);
+
+ /** Implemented by modules which provide the ability to link servers.
+ * These modules will implement this method, which allows metadata (extra data added to
+ * user and channel records using class Extensible, Extensible::Extend, etc) to be sent
+ * to other servers on a netburst and decoded at the other end by the same module on a
+ * different server.
+ *
+ * More documentation to follow soon. Please see src/modules/m_swhois.cpp for example of
+ * how to use this function.
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param target_type The type of item to decode data for, TYPE_USER or TYPE_CHANNEL
+ * @param target The chanrec* or userrec* that metadata should be sent for
+ * @param extname The extension name to send metadata for
+ * @param extdata Encoded data for this extension name, which will be encoded at the oppsite end by an identical module using OnDecodeMetaData
+ */
+ virtual void ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata);