// loaded modules in a readable simple way, e.g.:
// 'FOREACH_MOD OnConnect(user);'
-#define FOREACH_MOD for (int i = 0; i <= MODCOUNT; i++) modules[i]->
+#define FOREACH_MOD for (int _i = 0; _i <= MODCOUNT; _i++) modules[_i]->
// This define is similar to the one above but returns a result in MOD_RESULT.
// The first module to return a nonzero result is the value to be accepted,
// *********************************************************************************************
#define FOREACH_RESULT(x) { MOD_RESULT = 0; \
- for (int i = 0; i <= MODCOUNT; i++) { \
- int res = modules[i]->x ; \
+ for (int _i = 0; _i <= MODCOUNT; _i++) { \
+ int res = modules[_i]->x ; \
if (res != 0) { \
MOD_RESULT = res; \
break; \
Admin(std::string name, std::string email, std::string nick);
};
+
+// Forward-delacare module for ModuleMessage etc
+class Module;
+
+// Thanks to Rob (from anope) for the idea of this message passing API
+// (its been done before, but this seemed a very neat and tidy way...
+
+/** The ModuleMessage class is the base class of Request and Event
+ * This class is used to represent a basic data structure which is passed
+ * between modules for safe inter-module communications.
+ */
+class ModuleMessage : public classbase
+{
+ public:
+ /** This class is pure virtual and must be inherited.
+ */
+ virtual char* Send() = 0;
+ virtual ~ModuleMessage() {};
+};
+
+/** The Request class is a unicast message directed at a given module.
+ * When this class is properly instantiated it may be sent to a module
+ * using the Send() method, which will call the given module's OnRequest
+ * method with this class as its parameter.
+ */
+class Request : public ModuleMessage
+{
+ protected:
+ /** This member holds a pointer to arbitary data set by the emitter of the message
+ */
+ char* data;
+ /** This is a pointer to the sender of the message, which can be used to
+ * directly trigger events, or to create a reply.
+ */
+ Module* source;
+ /** The single destination of the Request
+ */
+ Module* dest;
+ public:
+ /** Create a new Request
+ */
+ Request(char* anydata, Module* src, Module* dst);
+ /** Fetch the Request data
+ */
+ char* GetData();
+ /** Fetch the request source
+ */
+ Module* GetSource();
+ /** Fetch the request destination (should be 'this' in the receiving module)
+ */
+ Module* GetDest();
+ /** Send the Request.
+ * Upon returning the result will be arbitary data returned by the module you
+ * sent the request to. It is up to your module to know what this data is and
+ * how to deal with it.
+ */
+ char* Send();
+};
+
+
+/** The Event class is a unicast message directed at all modules.
+ * When the class is properly instantiated it may be sent to all modules
+ * using the Send() method, which will trigger the OnEvent method in
+ * all modules passing the object as its parameter.
+ */
+class Event : public ModuleMessage
+{
+ protected:
+ /** This member holds a pointer to arbitary data set by the emitter of the message
+ */
+ char* data;
+ /** This is a pointer to the sender of the message, which can be used to
+ * directly trigger events, or to create a reply.
+ */
+ Module* source;
+ /** The event identifier.
+ * This is arbitary text which should be used to distinguish
+ * one type of event from another.
+ */
+ std::string id;
+ public:
+ /** Create a new Event
+ */
+ Event(char* anydata, Module* src, std::string eventid);
+ /** Get the Event data
+ */
+ char* GetData();
+ /** Get the event Source
+ */
+ Module* GetSource();
+ /** Get the event ID.
+ * Use this to determine the event type for safe casting of the data
+ */
+ std::string GetEventID();
+ /** Send the Event.
+ * The return result of an Event::Send() will always be NULL as
+ * no replies are expected.
+ */
+ char* Send();
+};
+
+
/** Base class for all InspIRCd modules
* This class is the base class for InspIRCd modules. All modules must inherit from this class,
* its methods will be called when irc server events occur. class inherited from module must be
/** Called when a user quits.
* The details of the exiting user are available to you in the parameter userrec *user
+ * This event is only called when the user is fully registered when they quit. To catch
+ * raw disconnections, use the OnUserDisconnect method.
*/
virtual void OnUserQuit(userrec* user);
+ /** Called whenever a user's socket is closed.
+ * The details of the exiting user are available to you in the parameter userrec *user
+ * This event is called for all users, registered or not, as a cleanup method for modules
+ * which might assign resources to user, such as dns lookups, objects and sockets.
+ */
+ virtual void OnUserDisconnect(userrec* user);
+
/** Called when a user joins a channel.
* The details of the joining user are available to you in the parameter userrec *user,
* and the details of the channel they have joined is available in the variable chanrec *channel
*/
virtual void OnLoadModule(Module* mod,std::string name);
+ /** Called whenever a module is unloaded.
+ * mod will contain a pointer to the module, and string will contain its name,
+ * for example m_widgets.so. This function is primary for dependency checking,
+ * your module may decide to enable some extra features if it sees that you have
+ * for example loaded "m_killwidgets.so" with "m_makewidgets.so". It is highly
+ * recommended that modules do *NOT* bail if they cannot satisfy dependencies,
+ * but instead operate under reduced functionality, unless the dependency is
+ * absolutely neccessary (e.g. a module that extends the features of another
+ * module).
+ */
+ virtual void OnUnloadModule(Module* mod,std::string name);
+
/** Called once every five seconds for background processing.
* This timer can be used to control timed features. Its period is not accurate
* enough to be used as a clock, but it is gauranteed to be called at least once in
* so that you may perform your own code instead. Note that this method allows you to override
* modes defined by other modes, but this is NOT RECOMMENDED!
*/
- virtual int OnRawMode(userrec* user, char mode, std::string param, bool adding, int pcnt);
+ virtual int OnRawMode(userrec* user, chanrec* chan, char mode, std::string param, bool adding, int pcnt);
/** Called whenever a user joins a channel, to determine if invite checks should go ahead or not.
* This method will always be called for each join, wether or not the channel is actually +i, and
* Return 1 to deny the topic change, or 0 to allow it.
*/
virtual int OnLocalTopicChange(userrec* user, chanrec* chan, std::string topic);
+
+ /** Called whenever an unknown token is received in a server to server link.
+ * The token value is the unknown token -- please check that no other modules are using the token
+ * that you use. Returning 1 supresses the 'unknown token type' error which is usually sent to
+ * all opers with +s. The params list is a list of parameters, and if any parameters start with a
+ * colon (:) it is treated as the whole of the last parameter, identical to how RFC messages are
+ * handled. source is the sender of the message, and reply is what should be replied to for a unicast
+ * message. Note that there are not many messages in the mesh protocol which require unicast
+ * messaging. tcp_host is the server name as a string, ipaddr is its ip address in dotted decimal
+ * notation and port is the port number it is using.
+ */
+ virtual int OnMeshToken(char token,string_list params,serverrec* source,serverrec* reply, std::string tcp_host,std::string ipaddr,int port);
+
+ /** Called whenever an Event class is sent to all module by another module.
+ * Please see the documentation of Event::Send() for further information. The Event sent can
+ * always be assumed to be non-NULL, you should *always* check the value of Event::GetEventID()
+ * before doing anything to the event data, and you should *not* change the event data in any way!
+ */
+ virtual void OnEvent(Event* event);
+
+ /** Called whenever a Request class is sent to your module by another module.
+ * Please see the documentation of Request::Send() for further information. The Request sent
+ * can always be assumed to be non-NULL, you should not change the request object or its data.
+ * Your method may return arbitary data in the char* result which the requesting module
+ * may be able to use for pre-determined purposes (e.g. the results of an SQL query, etc).
+ */
+ virtual char* OnRequest(Request* request);
+
+ /** Called whenever an oper password is to be compared to what a user has input.
+ * The password field (from the config file) is in 'password' and is to be compared against
+ * 'input'. This method allows for encryption of oper passwords and much more besides.
+ * You should return a nonzero value if you want to allow the comparison or zero if you wish
+ * to do nothing.
+ */
+ virtual int OnOperCompare(std::string password, std::string input);
+
+ /** Called whenever a user is given usermode +o, anywhere on the network.
+ * You cannot override this and prevent it from happening as it is already happened and
+ * such a task must be performed by another server. You can however bounce modes by sending
+ * servermodes out to reverse mode changes.
+ */
+ virtual void OnGlobalOper(userrec* user);
+
+ /** Called whenever a user connects, anywhere on the network.
+ * This event is informational only. You should not change any user information in this
+ * event. To do so, use the OnUserConnect method to change the state of local users.
+ */
+ virtual void OnGlobalConnect(userrec* user);
+
+ /** Called whenever a ban is added to a channel's list.
+ * Return a non-zero value to 'eat' the mode change and prevent the ban from being added.
+ */
+ virtual int OnAddBan(userrec* source, chanrec* channel,std::string banmask);
+
+ /** Called whenever a ban is removed from a channel's list.
+ * Return a non-zero value to 'eat' the mode change and prevent the ban from being removed.
+ */
+ virtual int OnDelBan(userrec* source, chanrec* channel,std::string banmask);
+
+ /** Called immediately after any connection is accepted. This is intended for raw socket
+ * processing (e.g. modules which wrap the tcp connection within another library) and provides
+ * no information relating to a user record as the connection has not been assigned yet.
+ * There are no return values from this call as all modules get an opportunity if required to
+ * process the connection.
+ */
+ virtual void OnRawSocketAccept(int fd, std::string ip, int localport);
+
+ /** Called immediately before any write() operation on a user's socket in the core. Because
+ * this event is a low level event no user information is associated with it. It is intended
+ * for use by modules which may wrap connections within another API such as SSL for example.
+ * return a non-zero result if you have handled the write operation, in which case the core
+ * will not call write().
+ */
+ virtual int OnRawSocketWrite(int fd, char* buffer, int count);
+
+ /** Called immediately before any socket is closed. When this event is called, shutdown()
+ * has not yet been called on the socket.
+ */
+ virtual void OnRawSocketClose(int fd);
+
+ /** Called immediately before any read() operation on a client socket in the core.
+ * This occurs AFTER the select() or poll() so there is always data waiting to be read
+ * when this event occurs.
+ * Your event should return 1 if it has handled the reading itself, which prevents the core
+ * just using read(). You should place any data read into buffer, up to but NOT GREATER THAN
+ * the value of count. The value of readresult must be identical to an actual result that might
+ * be returned from the read() system call, for example, number of bytes read upon success,
+ * 0 upon EOF or closed socket, and -1 for error. If your function returns a nonzero value,
+ * you MUST set readresult.
+ */
+ virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult);
};
* as used by numerics (see RFC 1459)
*/
virtual void SendServ(int Socket, std::string s);
+ /** Writes text to a channel, but from a server, including all.
+ * This can be used to send server notices to a group of users.
+ */
+ virtual void SendChannelServerNotice(std::string ServName, chanrec* Channel, std::string text);
/** Sends text from a user to a socket.
* This method writes a line of text to an established socket, with the given user's nick/ident
* /host combination prepended, as used in PRIVSG etc commands (see RFC 1459)
* This function will return NULL if the nick does not exist.
*/
virtual userrec* FindNick(std::string nick);
+ /** Attempts to look up a nick using the file descriptor associated with that nick.
+ * This function will return NULL if the file descriptor is not associated with a valid user.
+ */
+ virtual userrec* FindDescriptor(int socket);
/** Attempts to look up a channel and return a pointer to it.
* This function will return NULL if the channel does not exist.
*/
/** Returns the network name, global to all linked servers.
*/
virtual std::string GetNetworkName();
+ /** Returns the server description string of the local server
+ */
+ virtual std::string GetServerDescription();
/** Returns the information of the server as returned by the /ADMIN command.
* See the Admin class for further information of the return value. The members
* Admin::Nick, Admin::Email and Admin::Name contain the information for the
/** Returns true if a nick!ident@host string is correctly formatted, false if otherwise.
*/
virtual bool IsValidMask(std::string mask);
+
+ /** Sends a line of text to all connected servers.
+ * If a server is not directly reachable, the core deals with routing the message, and will also
+ * deal with failures transparently.
+ */
+ virtual void MeshSendAll(std::string text);
+
+ /** This method sends a line of text to all servers who have users which share common channels with the user you provide.
+ * For example, if user A is on server A, and they are on channels #one and #two, and user B is on server B, and also on
+ * channel #one, but user C is on server C and on neither #one or #two, this function will cause the text to only be
+ * sent to server B. However, if server B is only reachable via C, it will route it to C (you do not have to worry about
+ * this routing, it is done transparently, but its good to know how things work!)
+ */
+ virtual void MeshSendCommon(userrec* user, std::string text);
+
+ /** This function is equivalent to Server::MeshSendToAll except it will only route to servers which are directly routable.
+ */
+ virtual void MeshSendAllAlive(std::string text);
+
+ /** This function sends a line of text directly to a server.
+ * If the server is not directly routable at this time, the server attempts to route text through the mesh.
+ */
+ virtual void MeshSendUnicast(std::string destination, std::string text);
+
+ /** This function sends to all servers EXCEPT the one you specify.
+ * You should usually use this function to send messages, specifying the SENDER of your message as 'target'.
+ * This will prevent message loops.
+ */
+ virtual void MeshSendAllExcept(std::string target, std::string text);
+
+ /** This function is used to check if any users on channel c are on server servername.
+ * This is used internally by PRIVMSG etc. You should not need to use it.
+ */
+ virtual bool MeshCheckChan(chanrec *c,std::string servername);
+
+ /** This function is used to check if user u has any channels in common with users on servername.
+ * This is used internally by Server::MeshSendCommon. You should very rarely need to use it.
+ */
+ virtual bool MeshCheckCommon(userrec* u,std::string servername);
+
+ /** This function finds a module by name.
+ * You must provide the filename of the module. If the module cannot be found (is not loaded)
+ * the function will return NULL.
+ */
+ virtual Module* FindModule(std::string name);
};
+
#define CONF_NOT_A_NUMBER 0x000010
#define CONF_NOT_UNSIGNED 0x000080
#define CONF_VALUE_NOT_FOUND 0x000100
#define CONF_FILE_NOT_FOUND 0x000200
+
/** Allows reading of values from configuration files
* This class allows a module to read from either the main configuration file (inspircd.conf) or from
* a module-specified configuration file. It may either be instantiated with one parameter or none.
projects / user / henk / code / inspircd.git / blobdiff