X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fmodules.h;h=86ee7f4f3397341748d98fd76a31f16add378446;hb=da29af8cba49d51e53d6e68237ccbf6370b6dd1f;hp=3e5ace3f43b64e053a4fcef5482df8494c58961f;hpb=9eeae941959511957abd770ed8e11f3ecdcd739e;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/modules.h b/include/modules.h index 3e5ace3f4..86ee7f4f3 100644 --- a/include/modules.h +++ b/include/modules.h @@ -23,8 +23,7 @@ */ -#ifndef MODULES_H -#define MODULES_H +#pragma once #include "dynamic.h" #include "base.h" @@ -35,13 +34,11 @@ #include #include "timer.h" #include "mode.h" -#include "dns.h" /** Used to define a set of behavior bits for a module */ enum ModuleFlags { VF_NONE = 0, // module is not special at all - VF_STATIC = 1, // module is static, cannot be /unloadmodule'd VF_VENDOR = 2, // module is a vendor module (came in the original tarball, not 3rd party) VF_COMMON = 4, // module needs to be common on all servers in a network to link VF_OPTCOMMON = 8, // module should be common on all servers for unsurprising behavior @@ -121,23 +118,21 @@ struct ModResult { /** * This #define allows us to call a method in all * loaded modules in a readable simple way, e.g.: - * 'FOREACH_MOD(I_OnConnect,OnConnect(user));' + * 'FOREACH_MOD(OnConnect,(user));' */ #define FOREACH_MOD(y,x) do { \ - EventHandlerIter safei; \ - for (EventHandlerIter _i = ServerInstance->Modules->EventHandlers[y].begin(); _i != ServerInstance->Modules->EventHandlers[y].end(); ) \ + const IntModuleList& _handlers = ServerInstance->Modules->EventHandlers[I_ ## y]; \ + for (IntModuleList::const_reverse_iterator _i = _handlers.rbegin(), _next; _i != _handlers.rend(); _i = _next) \ { \ - safei = _i; \ - ++safei; \ + _next = _i+1; \ try \ { \ - (*_i)->x ; \ + (*_i)->y x ; \ } \ catch (CoreException& modexcept) \ { \ - ServerInstance->Logs->Log("MODULE",DEFAULT,"Exception caught: %s",modexcept.GetReason()); \ + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Exception caught: " + modexcept.GetReason()); \ } \ - _i = safei; \ } \ } while (0); @@ -149,21 +144,19 @@ struct ModResult { */ #define DO_EACH_HOOK(n,v,args) \ do { \ - EventHandlerIter iter_ ## n = ServerInstance->Modules->EventHandlers[I_ ## n].begin(); \ - while (iter_ ## n != ServerInstance->Modules->EventHandlers[I_ ## n].end()) \ + const IntModuleList& _handlers = ServerInstance->Modules->EventHandlers[I_ ## n]; \ + for (IntModuleList::const_reverse_iterator _i = _handlers.rbegin(), _next; _i != _handlers.rend(); _i = _next) \ { \ - Module* mod_ ## n = *iter_ ## n; \ - iter_ ## n ++; \ + _next = _i+1; \ try \ { \ - v = (mod_ ## n)->n args; + v = (*_i)->n args; #define WHILE_EACH_HOOK(n) \ } \ catch (CoreException& except_ ## n) \ { \ - ServerInstance->Logs->Log("MODULE",DEFAULT,"Exception caught: %s", (except_ ## n).GetReason()); \ - (void) mod_ ## n; /* catch mismatched pairs */ \ + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Exception caught: " + (except_ ## n).GetReason()); \ } \ } \ } while(0) @@ -212,69 +205,6 @@ class CoreExport Version virtual ~Version() {} }; -/** 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 CoreExport Request : public classbase -{ - public: - /** This should be a null-terminated string identifying the type of request, - * all modules should define this and use it to determine the nature of the - * request before they attempt to cast the Request in any way. - */ - const char* const id; - /** This is a pointer to the sender of the message, which can be used to - * directly trigger events, or to create a reply. - */ - ModuleRef source; - /** The single destination of the Request - */ - ModuleRef dest; - - /** Create a new Request - * This is for the 'new' way of defining a subclass - * of Request and defining it in a common header, - * passing an object of your Request subclass through - * as a Request* and using the ID string to determine - * what to cast it back to and the other end. - */ - Request(Module* src, Module* dst, const char* idstr); - /** Send the Request. - */ - void 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 CoreExport Event : public classbase -{ - public: - /** This is a pointer to the sender of the message, which can be used to - * directly trigger events, or to create a reply. - */ - ModuleRef source; - /** The event identifier. - * This is arbitary text which should be used to distinguish - * one type of event from another. - */ - const std::string id; - - /** Create a new Event - */ - Event(Module* src, const std::string &eventid); - /** Send the Event. - * The return result of an Event::Send() will always be NULL as - * no replies are expected. - */ - void Send(); -}; - class CoreExport DataProvider : public ServiceProvider { public: @@ -282,74 +212,6 @@ class CoreExport DataProvider : public ServiceProvider : ServiceProvider(Creator, Name, SERVICE_DATA) {} }; -class CoreExport dynamic_reference_base : public interfacebase -{ - private: - std::string name; - void resolve(); - protected: - ServiceProvider* value; - public: - ModuleRef creator; - dynamic_reference_base(Module* Creator, const std::string& Name); - ~dynamic_reference_base(); - inline const std::string& GetProvider() { return name; } - void SetProvider(const std::string& newname); - void check(); - operator bool() { return (value != NULL); } - static void reset_all(); -}; - -inline void dynamic_reference_base::check() -{ - if (!value) - throw ModuleException("Dynamic reference to '" + name + "' failed to resolve"); -} - -template -class dynamic_reference : public dynamic_reference_base -{ - public: - dynamic_reference(Module* Creator, const std::string& Name) - : dynamic_reference_base(Creator, Name) {} - - inline T* operator->() - { - check(); - return static_cast(value); - } - - T* operator*() - { - return operator->(); - } -}; - -template -class dynamic_reference_nocheck : public dynamic_reference_base -{ - public: - dynamic_reference_nocheck(Module* Creator, const std::string& Name) - : dynamic_reference_base(Creator, Name) {} - - T* operator->() - { - return static_cast(value); - } - - T* operator*() - { - return operator->(); - } -}; - -class ModeReference : public dynamic_reference_nocheck -{ - public: - ModeReference(Module* mod, const std::string& modename) - : dynamic_reference_nocheck(mod, "mode/" + modename) {} -}; - /** Priority types which can be used by Module::Prioritize() */ enum Priority { PRIORITY_FIRST, PRIORITY_LAST, PRIORITY_BEFORE, PRIORITY_AFTER }; @@ -358,22 +220,21 @@ enum Priority { PRIORITY_FIRST, PRIORITY_LAST, PRIORITY_BEFORE, PRIORITY_AFTER } */ enum Implementation { - I_BEGIN, - I_OnUserConnect, I_OnUserQuit, I_OnUserDisconnect, I_OnUserJoin, I_OnUserPart, I_OnRehash, - I_OnSendSnotice, I_OnUserPreJoin, I_OnUserPreKick, I_OnUserKick, I_OnOper, I_OnInfo, I_OnWhois, - I_OnUserPreInvite, I_OnUserInvite, I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserPreNick, - I_OnUserMessage, I_OnUserNotice, I_OnMode, I_OnGetServerDescription, I_OnSyncUser, - I_OnSyncChannel, I_OnDecodeMetaData, I_OnWallops, I_OnAcceptConnection, I_OnUserInit, + I_OnUserConnect, I_OnUserQuit, I_OnUserDisconnect, I_OnUserJoin, I_OnUserPart, + I_OnSendSnotice, I_OnUserPreJoin, I_OnUserPreKick, I_OnUserKick, I_OnOper, I_OnInfo, + I_OnUserPreInvite, I_OnUserInvite, I_OnUserPreMessage, I_OnUserPreNick, + I_OnUserMessage, I_OnMode, I_OnSyncUser, + I_OnSyncChannel, I_OnDecodeMetaData, I_OnAcceptConnection, I_OnUserInit, I_OnChangeHost, I_OnChangeName, I_OnAddLine, I_OnDelLine, I_OnExpireLine, - I_OnUserPostNick, I_OnPreMode, I_On005Numeric, I_OnKill, I_OnRemoteKill, I_OnLoadModule, + I_OnUserPostNick, I_OnPreMode, I_On005Numeric, I_OnKill, I_OnLoadModule, I_OnUnloadModule, I_OnBackgroundTimer, I_OnPreCommand, I_OnCheckReady, I_OnCheckInvite, I_OnRawMode, I_OnCheckKey, I_OnCheckLimit, I_OnCheckBan, I_OnCheckChannelBan, I_OnExtBanCheck, I_OnStats, I_OnChangeLocalUserHost, I_OnPreTopicChange, - I_OnPostTopicChange, I_OnEvent, I_OnGlobalOper, I_OnPostConnect, + I_OnPostTopicChange, I_OnPostConnect, I_OnChangeLocalUserGECOS, I_OnUserRegister, I_OnChannelPreDelete, I_OnChannelDelete, I_OnPostOper, I_OnSyncNetwork, I_OnSetAway, I_OnPostCommand, I_OnPostJoin, - I_OnWhoisLine, I_OnBuildNeighborList, I_OnGarbageCollect, I_OnSetConnectClass, - I_OnText, I_OnPassCompare, I_OnRunTestSuite, I_OnNamesListItem, I_OnNumeric, I_OnHookIO, + I_OnBuildNeighborList, I_OnGarbageCollect, I_OnSetConnectClass, + I_OnText, I_OnPassCompare, I_OnNamesListItem, I_OnNumeric, I_OnPreRehash, I_OnModuleRehash, I_OnSendWhoLine, I_OnChangeIdent, I_OnSetUserIP, I_END }; @@ -385,6 +246,11 @@ enum Implementation */ class CoreExport Module : public classbase, public usecountbase { + /** Detach an event from this module + * @param i Event type to detach + */ + void DetachEvent(Implementation i); + public: /** File that this module was loaded from */ @@ -393,6 +259,11 @@ class CoreExport Module : public classbase, public usecountbase */ DLLManager* ModuleDLLManager; + /** If true, this module will be unloaded soon, further unload attempts will fail + * Value is used by the ModuleManager internally, you should not modify it + */ + bool dying; + /** Default constructor. * Creates a module class. Don't do any type of hook registration or checks * for other modules here; do that in init(). @@ -418,6 +289,13 @@ class CoreExport Module : public classbase, public usecountbase { } + /** This method is called when you should reload module specific configuration: + * on boot, on a /REHASH and on module load. + * @param status The current status, can be inspected for more information; + * also used for reporting configuration errors and warnings. + */ + virtual void ReadConfig(ConfigStatus& status); + /** Returns the version number of a Module. * The method should return a Version object with its version information assigned via * Version::Version @@ -508,14 +386,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual void OnModuleRehash(User* user, const std::string ¶meter); - /** Called on rehash. - * This method is called after a rehash has completed. You should use it to reload any module - * configuration from the main configuration file. - * @param user The user that performed the rehash, if it was initiated by a user and that user - * is still connected. - */ - virtual void OnRehash(User* user); - /** Called whenever a snotice is about to be sent to a snomask. * snomask and type may both be modified; the message may not. * @param snomask The snomask the message is going to (e.g. 'A') @@ -545,7 +415,7 @@ class CoreExport Module : public classbase, public usecountbase * @param keygiven The key given to join the channel, or an empty string if none was provided * @return 1 To prevent the join, 0 to allow it. */ - virtual ModResult OnUserPreJoin(User* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven); + virtual ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven); /** Called whenever a user is about to be kicked. * Returning a value of 1 from this function stops the process immediately, causing no @@ -598,14 +468,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual void OnInfo(User* user); - /** Called whenever a /WHOIS is performed on a local user. - * The source parameter contains the details of the user who issued the WHOIS command, and - * the dest parameter contains the information of the user they are whoising. - * @param source The user issuing the WHOIS command - * @param dest The user who is being WHOISed - */ - virtual void OnWhois(User* source, User* dest); - /** Called whenever a user is about to invite another user into a channel, before any processing is done. * Returning 1 from this function stops the process immediately, causing no * output to be sent to the user by the core. If you do this you must produce your own numerics, @@ -625,8 +487,10 @@ class CoreExport Module : public classbase, public usecountbase * @param dest The user being invited * @param channel The channel the user is being invited to * @param timeout The time the invite will expire (0 == never) + * @param notifyrank Rank required to get an invite announcement (if enabled) + * @param notifyexcepts List of users to not send the default NOTICE invite announcement to */ - virtual void OnUserInvite(User* source,User* dest,Channel* channel, time_t timeout); + virtual void OnUserInvite(User* source, User* dest, Channel* channel, time_t timeout, unsigned int notifyrank, CUList& notifyexcepts); /** Called whenever a user is about to PRIVMSG A user or a channel, before any processing is done. * Returning any nonzero value from this function stops the process immediately, causing no @@ -642,30 +506,10 @@ class CoreExport Module : public classbase, public usecountbase * @param status The status being used, e.g. PRIVMSG @#chan has status== '@', 0 to send to everyone. * @param exempt_list A list of users not to send to. For channel messages, this will usually contain just the sender. * It will be ignored for private messages. + * @param msgtype The message type, MSG_PRIVMSG for PRIVMSGs, MSG_NOTICE for NOTICEs * @return 1 to deny the message, 0 to allow it */ - virtual ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text,char status, CUList &exempt_list); - - /** Called whenever a user is about to NOTICE A user or a channel, before any processing is done. - * Returning any nonzero value from this function stops the process immediately, causing no - * output to be sent to the user by the core. If you do this you must produce your own numerics, - * notices etc. This is useful for modules which may want to filter or redirect messages. - * target_type can be one of TYPE_USER or TYPE_CHANNEL. If the target_type value is a user, - * you must cast dest to a User* otherwise you must cast it to a Channel*, this is the details - * of where the message is destined to be sent. - * You may alter the message text as you wish before relinquishing control to the next module - * in the chain, and if no other modules block the text this altered form of the text will be sent out - * to the user and possibly to other servers. - * @param user The user sending the message - * @param dest The target of the message (Channel* or User*) - * @param target_type The type of target (TYPE_USER or TYPE_CHANNEL) - * @param text Changeable text being sent by the user - * @param status The status being used, e.g. PRIVMSG @#chan has status== '@', 0 to send to everyone. - * @param exempt_list A list of users not to send to. For channel notices, this will usually contain just the sender. - * It will be ignored for private notices. - * @return 1 to deny the NOTICE, 0 to allow it - */ - virtual ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text,char status, CUList &exempt_list); + virtual ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text,char status, CUList &exempt_list, MessageType msgtype); /** Called when sending a message to all "neighbors" of a given user - * that is, all users that share a common channel. This is used in @@ -676,19 +520,16 @@ class CoreExport Module : public classbase, public usecountbase * * Set exceptions[user] = true to include, exceptions[user] = false to exclude */ - virtual void OnBuildNeighborList(User* source, UserChanList &include_c, std::map &exceptions); + virtual void OnBuildNeighborList(User* source, IncludeChanList& include_c, std::map& exceptions); - /** Called before any nickchange, local or remote. This can be used to implement Q-lines etc. - * Please note that although you can see remote nickchanges through this function, you should - * NOT make any changes to the User if the user is a remote user as this may cause a desnyc. - * check user->server before taking any action (including returning nonzero from the method). + /** Called before local nickname changes. This can be used to implement Q-lines etc. * If your method returns nonzero, the nickchange is silently forbidden, and it is down to your * module to generate some meaninful output. * @param user The username changing their nick * @param newnick Their new nickname * @return 1 to deny the change, 0 to allow */ - virtual ModResult OnUserPreNick(User* user, const std::string &newnick); + virtual ModResult OnUserPreNick(LocalUser* user, const std::string& newnick); /** Called after any PRIVMSG sent from a user. * The dest variable contains a User* if target_type is TYPE_USER and a Channel* @@ -699,25 +540,14 @@ class CoreExport Module : public classbase, public usecountbase * @param text the text being sent by the user * @param status The status being used, e.g. PRIVMSG @#chan has status== '@', 0 to send to everyone. * @param exempt_list A list of users to not send to. + * @param msgtype The message type, MSG_PRIVMSG for PRIVMSGs, MSG_NOTICE for NOTICEs */ - virtual void OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list); - - /** Called after any NOTICE sent from a user. - * The dest variable contains a User* if target_type is TYPE_USER and a Channel* - * if target_type is TYPE_CHANNEL. - * @param user The user sending the message - * @param dest The target of the message - * @param target_type The type of target (TYPE_USER or TYPE_CHANNEL) - * @param text the text being sent by the user - * @param status The status being used, e.g. NOTICE @#chan has status== '@', 0 to send to everyone. - * @param exempt_list A list of users to not send to. - */ - virtual void OnUserNotice(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list); + virtual void OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list, MessageType msgtype); /** Called immediately before any NOTICE or PRIVMSG sent from a user, local or remote. * The dest variable contains a User* if target_type is TYPE_USER and a Channel* * if target_type is TYPE_CHANNEL. - * The difference between this event and OnUserPreNotice/OnUserPreMessage is that delivery is gauranteed, + * The difference between this event and OnUserPreMessage is that delivery is gauranteed, * the message has already been vetted. In the case of the other two methods, a later module may stop your * message. This also differs from OnUserMessage which occurs AFTER the message has been sent. * @param user The user sending the message @@ -730,66 +560,47 @@ class CoreExport Module : public classbase, public usecountbase virtual void OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list); /** Called after every MODE command sent from a user - * The dest variable contains a User* if target_type is TYPE_USER and a Channel* - * if target_type is TYPE_CHANNEL. The text variable contains the remainder of the - * mode string after the target, e.g. "+wsi" or "+ooo nick1 nick2 nick3". + * Either the usertarget or the chantarget variable contains the target of the modes, + * the actual target will have a non-NULL pointer. + * All changed modes are available in the changelist object. * @param user The user sending the MODEs - * @param dest The target of the modes (User* or Channel*) - * @param target_type The type of target (TYPE_USER or TYPE_CHANNEL) - * @param text The actual modes and their parameters if any - * @param translate The translation types of the mode parameters - */ - virtual void OnMode(User* user, void* dest, int target_type, const std::vector &text, const std::vector &translate); - - /** Allows modules to alter or create server descriptions - * Whenever a module requires a server description, for example for display in - * WHOIS, this function is called in all modules. You may change or define the - * description given in std::string &description. If you do, this description - * will be shown in the WHOIS fields. - * @param servername The servername being searched for - * @param description Alterable server description for this server + * @param usertarget The target user of the modes, NULL if the target is a channel + * @param chantarget The target channel of the modes, NULL if the target is a user + * @param changelist The changed modes. + * @param processflags Flags passed to ModeParser::Process(), see ModeParser::ModeProcessFlags + * for the possible flags. + * @param output_mode Changed modes, including '+' and '-' characters, not including any parameters */ - virtual void OnGetServerDescription(const std::string &servername,std::string &description); + virtual void OnMode(User* user, User* usertarget, Channel* chantarget, const Modes::ChangeList& changelist, ModeParser::ModeProcessFlag processflags, const std::string& output_mode); /** Allows modules to synchronize data which relates to users during a netburst. * When this function is called, it will be called from the module which implements - * the linking protocol. This currently is m_spanningtree.so. A pointer to this module - * is given in Module* proto, so that you may call its methods such as ProtoSendMode - * (see below). This function will be called for every user visible on your side - * of the burst, allowing you to for example set modes, etc. Do not use this call to - * synchronize data which you have stored using class Extensible -- There is a specialist - * function OnSyncUserMetaData and OnSyncChannelMetaData for this! + * the linking protocol. This currently is m_spanningtree.so. + * This function will be called for every user visible on your side + * of the burst, allowing you to for example set modes, etc. * @param user The user 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 server The target of the burst */ - virtual void OnSyncUser(User* user, Module* proto, void* opaque); + virtual void OnSyncUser(User* user, ProtocolServer& server); /** Allows modules to synchronize data which relates to channels during a netburst. * When this function is called, it will be called from the module which implements - * the linking protocol. This currently is m_spanningtree.so. A pointer to this module - * is given in Module* proto, so that you may call its methods such as ProtoSendMode - * (see below). This function will be called for every user visible on your side - * of the burst, allowing you to for example set modes, etc. + * the linking protocol. This currently is m_spanningtree.so. + * This function will be called for every channel visible on your side of the burst, + * allowing you to for example set modes, etc. * * @param chan The channel 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 server The target of the burst */ - virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque); + virtual void OnSyncChannel(Channel* chan, ProtocolServer& server); - /* 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 User or Channel 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! - * @param displayable If this value is true, the data is going to be displayed to a user, - * and not sent across the network. Use this to determine wether or not to show sensitive data. + /** Allows modules to syncronize metadata not related to users or channels, over the network during a netburst. + * When the linking module has finished sending all data it wanted to send during a netburst, then + * this method is called. You should use the SendMetaData() function after you've + * correctly decided how the data should be represented, to send the data. + * @param server The target of the burst */ - virtual void OnSyncNetwork(Module* proto, void* opaque); + virtual void OnSyncNetwork(ProtocolServer& server); /** 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. @@ -799,40 +610,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual void OnDecodeMetaData(Extensible* 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. - * - * @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 Channel* or User* that modes should be sent for - * @param modeline The modes and parameters to be sent - * @param translate The translation types of the mode parameters - */ - virtual void ProtoSendMode(void* opaque, TargetTypeFlags target_type, void* target, const std::vector &modeline, const std::vector &translate); - - /** 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 The Channel* or User* 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, Extensible* target, const std::string &extname, const std::string &extdata); - - /** Called after every WALLOPS command. - * @param user The user sending the WALLOPS - * @param text The content of the WALLOPS message - */ - virtual void OnWallops(User* user, const std::string &text); - /** Called whenever a user's hostname is changed. * This event triggers after the host has been set. * @param user The user whos host is being changed @@ -896,7 +673,7 @@ class CoreExport Module : public classbase, public usecountbase */ virtual void OnUserPostNick(User* user, const std::string &oldnick); - /** Called before any mode change, to allow a single access check for + /** Called before a mode change via the MODE command, to allow a single access check for * a full mode change (use OnRawMode to check individual modes) * * Returning MOD_RES_ALLOW will skip prefix level checks, but can be overridden by @@ -905,15 +682,15 @@ class CoreExport Module : public classbase, public usecountbase * @param source the user making the mode change * @param dest the user destination of the umode change (NULL if a channel mode) * @param channel the channel destination of the mode change - * @param parameters raw mode parameters; parameters[0] is the user/channel being changed + * @param modes Modes being changed, can be edited */ - virtual ModResult OnPreMode(User* source, User* dest, Channel* channel, const std::vector& parameters); + virtual ModResult OnPreMode(User* source, User* dest, Channel* channel, Modes::ChangeList& modes); /** Called when a 005 numeric is about to be output. * The module should modify the 005 numeric if needed to indicate its features. - * @param output The 005 string to be modified if neccessary. - */ - virtual void On005Numeric(std::string &output); + * @param tokens The 005 map to be modified if neccessary. + */ + virtual void On005Numeric(std::map& tokens); /** Called when a client is disconnected by KILL. * If a client is killed by a server, e.g. a nickname collision or protocol error, @@ -930,14 +707,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual ModResult OnKill(User* source, User* dest, const std::string &reason); - /** Called when an oper wants to disconnect a remote user via KILL - * @param source The user sending the KILL - * @param dest The user being killed - * @param reason The kill reason - * @param operreason The oper kill reason - */ - virtual void OnRemoteKill(User* source, User* dest, const std::string &reason, const std::string &operreason); - /** Called whenever a module is loaded. * 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, @@ -1002,7 +771,7 @@ class CoreExport Module : public classbase, public usecountbase * @param result The return code given by the command handler, one of CMD_SUCCESS or CMD_FAILURE * @param original_line The entire original line as passed to the parser from the user */ - virtual void OnPostCommand(const std::string &command, const std::vector& parameters, LocalUser *user, CmdResult result, const std::string &original_line); + virtual void OnPostCommand(Command* command, const std::vector& parameters, LocalUser* user, CmdResult result, const std::string& original_line); /** Called when a user is first connecting, prior to starting DNS lookups, checking initial * connect class, or accepting any commands. @@ -1046,15 +815,14 @@ class CoreExport Module : public classbase, public usecountbase * Return 1 from this function to block the mode character from being processed entirely. * @param user The user who is sending the mode * @param chan The channel the mode is being sent to (or NULL if a usermode) - * @param mode The mode character being set + * @param mh The mode handler for the mode being changed * @param param The parameter for the mode or an empty string * @param adding true of the mode is being added, false if it is being removed - * @param pcnt The parameter count for the mode (0 or 1) * @return ACR_DENY to deny the mode, ACR_DEFAULT to do standard mode checking, and ACR_ALLOW * to skip all permission checking. Please note that for remote mode changes, your return value * will be ignored! */ - virtual ModResult OnRawMode(User* user, Channel* chan, const char mode, const std::string ¶m, bool adding, int pcnt); + virtual ModResult OnRawMode(User* user, Channel* chan, ModeHandler* mh, const std::string& param, bool adding); /** Called whenever a user joins a channel, to determine if key checks should go ahead or not. * This method will always be called for each join, wether or not the channel is actually +k, and @@ -1148,18 +916,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual void OnPostTopicChange(User* user, Channel* chan, const std::string &topic); - /** Called whenever an Event class is sent to all modules by another module. - * You should *always* check the value of Event::id to determine the event type. - * @param event The Event class being received - */ - virtual void OnEvent(Event& event); - - /** Called whenever a Request class is sent to your module by another module. - * The value of Request::id should be used to determine the type of request. - * @param request The Request class being received - */ - virtual void OnRequest(Request& request); - /** Called whenever a password check is to be made. Replaces the old OldOperCompare API. * The password field (from the config file) is in 'password' and is to be compared against * 'input'. This method allows for encryption of passwords (oper, connect:allow, die/restart, etc). @@ -1172,14 +928,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual ModResult OnPassCompare(Extensible* ex, const std::string &password, const std::string &input, const std::string& hashtype); - /** 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. - * @param user The user who is opering - */ - virtual void OnGlobalOper(User* user); - /** Called after a user has fully connected and all modules have executed OnUserConnect * 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. @@ -1188,12 +936,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual void OnPostConnect(User* user); - /** Called to install an I/O hook on an event handler - * @param user The socket to possibly install the I/O hook on - * @param via The port that the user connected on - */ - virtual void OnHookIO(StreamSocket* user, ListenSocket* via); - /** Called when a port accepts a connection * Return MOD_RES_ACCEPT if you have used the file descriptor. * @param fd The file descriptor returned from accept() @@ -1203,48 +945,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual ModResult OnAcceptConnection(int fd, ListenSocket* sock, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server); - /** 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. - * @param sock The socket in question - * @param client The client IP address and port - * @param server The server IP address and port - */ - virtual void OnStreamSocketAccept(StreamSocket* sock, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server); - - /** - * Called when a hooked stream has data to write, or when the socket - * engine returns it as writable - * @param sock The socket in question - * @param sendq Data to send to the socket - * @return 1 if the sendq has been completely emptied, 0 if there is - * still data to send, and -1 if there was an error - */ - virtual int OnStreamSocketWrite(StreamSocket* sock, std::string& sendq); - - /** Called immediately before any socket is closed. When this event is called, shutdown() - * has not yet been called on the socket. - * @param sock The socket in question - */ - virtual void OnStreamSocketClose(StreamSocket* sock); - - /** Called immediately upon connection of an outbound BufferedSocket which has been hooked - * by a module. - * @param sock The socket in question - */ - virtual void OnStreamSocketConnect(StreamSocket* sock); - - /** - * Called when the stream socket has data to read - * @param sock The socket that is ready - * @param recvq The receive queue that new data should be appended to - * @return 1 if new data has been read, 0 if no new data is ready (but the - * socket is still connected), -1 if there was an error or close - */ - virtual int OnStreamSocketRead(StreamSocket* sock, std::string& recvq); - /** Called whenever a user sets away or returns from being away. * The away message is available as a parameter, but should not be modified. * At this stage, it has already been copied into the user record. @@ -1255,19 +955,6 @@ class CoreExport Module : public classbase, public usecountbase */ virtual ModResult OnSetAway(User* user, const std::string &awaymsg); - /** Called whenever a line of WHOIS output is sent to a user. - * You may change the numeric and the text of the output by changing - * the values numeric and text, but you cannot change the user the - * numeric is sent to. You may however change the user's User values. - * @param user The user the numeric is being sent to - * @param dest The user being WHOISed - * @param numeric The numeric of the line being sent - * @param text The text of the numeric, including any parameters - * @return nonzero to drop the line completely so that the user does not - * receive it, or zero to allow the line to be sent. - */ - virtual ModResult OnWhoisLine(User* user, User* dest, int &numeric, std::string &text); - /** Called at intervals for modules to garbage-collect any hashes etc. * Certain data types such as hash_map 'leak' buckets, which must be * tidied up and freed by copying into a new item every so often. This @@ -1281,26 +968,35 @@ class CoreExport Module : public classbase, public usecountbase */ virtual ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass); +#ifdef INSPIRCD_ENABLE_TESTSUITE /** Add test suite hooks here. These are used for testing functionality of a module * via the --testsuite debugging parameter. */ virtual void OnRunTestSuite(); +#endif /** Called for every item in a NAMES list, so that modules may reformat portions of it as they see fit. - * For example NAMESX, channel mode +u and +I, and UHNAMES. If the nick is set to an empty string by any - * module, then this will cause the nickname not to be displayed at all. + * For example NAMESX, channel mode +u and +I, and UHNAMES. + * @param issuer The user who is going to receive the NAMES list being built + * @param item The channel member being considered for inclusion + * @param prefixes The prefix character(s) to display, initially set to the prefix char of the most powerful + * prefix mode the member has, can be changed + * @param nick The nick to display, initially set to the member's nick, can be changed + * @return Return MOD_RES_PASSTHRU to allow the member to be displayed, MOD_RES_DENY to cause them to be + * excluded from this NAMES list */ - virtual void OnNamesListItem(User* issuer, Membership* item, std::string &prefixes, std::string &nick); + virtual ModResult OnNamesListItem(User* issuer, Membership* item, std::string& prefixes, std::string& nick); - virtual ModResult OnNumeric(User* user, unsigned int numeric, const std::string &text); + virtual ModResult OnNumeric(User* user, const Numeric::Numeric& numeric); /** Called whenever a result from /WHO is about to be returned * @param source The user running the /WHO query * @param params The parameters to the /WHO query * @param user The user that this line of the query is about + * @param memb The member shown in this line, NULL if no channel is in this line * @param line The raw line to send; modifiable, if empty no line will be returned. */ - virtual void OnSendWhoLine(User* source, const std::vector& params, User* user, std::string& line); + virtual void OnSendWhoLine(User* source, const std::vector& params, User* user, Membership* memb, std::string& line); /** Called whenever a local user's IP is set for the first time, or when a local user's IP changes due to * a module like m_cgiirc changing it. @@ -1309,78 +1005,6 @@ class CoreExport Module : public classbase, public usecountbase virtual void OnSetUserIP(LocalUser* user); }; -/** Caches a text file into memory and can be used to retrieve lines from it. - * This class contains methods for read-only manipulation of a text file in memory. - * Either use the constructor type with one parameter to load a file into memory - * at construction, or use the LoadFile method to load a file. - */ -class CoreExport FileReader : public classbase -{ - /** The file contents - */ - std::vector fc; - - /** Content size in bytes - */ - unsigned long contentsize; - - /** Calculate content size in bytes - */ - void CalcSize(); - - public: - /** Default constructor. - * This method does not load any file into memory, you must use the LoadFile method - * after constructing the class this way. - */ - FileReader(); - - /** Secondary constructor. - * This method initialises the class with a file loaded into it ready for GetLine and - * and other methods to be called. If the file could not be loaded, FileReader::FileSize - * returns 0. - */ - FileReader(const std::string &filename); - - /** Default destructor. - * This deletes the memory allocated to the file. - */ - ~FileReader(); - - /** Used to load a file. - * This method loads a file into the class ready for GetLine and - * and other methods to be called. If the file could not be loaded, FileReader::FileSize - * returns 0. - */ - void LoadFile(const std::string &filename); - - /** Returns the whole content of the file as std::string - */ - std::string Contents(); - - /** Returns the entire size of the file as std::string - */ - unsigned long ContentSize(); - - /** Returns true if the file exists - * This function will return false if the file could not be opened. - */ - bool Exists(); - - /** Retrieve one line from the file. - * This method retrieves one line from the text file. If an empty non-NULL string is returned, - * the index was out of bounds, or the line had no data on it. - */ - std::string GetLine(int x); - - /** Returns the size of the file in lines. - * This method returns the number of lines in the read file. If it is 0, no lines have been - * read into memory, either because the file is empty or it does not exist, or cannot be - * opened due to permission problems. - */ - int FileSize(); -}; - /** A list of modules */ typedef std::vector IntModuleList; @@ -1392,17 +1016,16 @@ typedef IntModuleList::iterator EventHandlerIter; /** ModuleManager takes care of all things module-related * in the core. */ -class CoreExport ModuleManager +class CoreExport ModuleManager : public fakederef { + public: + typedef std::vector ServiceList; + private: /** Holds a string describing the last module error to occur */ std::string LastModuleError; - /** Total number of modules loaded into the ircd - */ - int ModCount; - /** List of loaded modules and shared object/dll handles * keyed by module name */ @@ -1414,9 +1037,17 @@ class CoreExport ModuleManager PRIO_STATE_LAST } prioritizationState; - /** Internal unload module hook */ - bool CanUnload(Module*); + /** Loads all core modules (cmd_*) + */ + void LoadCoreModules(std::map& servicemap); + + /** Calls the Prioritize() method in all loaded modules + * @return True if all went well, false if a dependency loop was detected + */ + bool PrioritizeHooks(); + public: + typedef std::map ModuleMap; /** Event handler hooks. * This needs to be public to be used by FOREACH_MOD and friends. @@ -1426,6 +1057,23 @@ class CoreExport ModuleManager /** List of data services keyed by name */ std::multimap DataProviders; + /** A list of ServiceProviders waiting to be registered. + * Non-NULL when constructing a Module, NULL otherwise. + * When non-NULL ServiceProviders add themselves to this list on creation and the core + * automatically registers them (that is, call AddService()) after the Module is constructed, + * and before Module::init() is called. + * If a service is created after the construction of the Module (for example in init()) it + * has to be registered manually. + */ + ServiceList* NewServices; + + /** Expands the name of a module by prepending "m_" and appending ".so". + * No-op if the name already has the ".so" extension. + * @param modname Module name to expand + * @return Module name starting with "m_" and ending with ".so" + */ + static std::string ExpandModName(const std::string& modname); + /** Simple, bog-standard, boring constructor. */ ModuleManager(); @@ -1452,12 +1100,6 @@ class CoreExport ModuleManager */ bool SetPriority(Module* mod, Implementation i, Priority s, Module* which = NULL); - /** Backwards compat interface */ - inline bool SetPriority(Module* mod, Implementation i, Priority s, Module** dptr) - { - return SetPriority(mod, i, s, *dptr); - } - /** Change the priority of all events in a module. * @param mod The module to set the priority of * @param s The priority of all events in the module. @@ -1466,7 +1108,7 @@ class CoreExport ModuleManager * SetPriority method for this, where you may specify other modules to * be prioritized against. */ - bool SetPriority(Module* mod, Priority s); + void SetPriority(Module* mod, Priority s); /** Attach an event to a module. * You may later detatch the event with ModuleManager::Detach(). @@ -1498,6 +1140,11 @@ class CoreExport ModuleManager */ void DetachAll(Module* mod); + /** Attach all events to a module (used on module load) + * @param mod Module to attach to all events + */ + void AttachAll(Module* mod); + /** Returns text describing the last module error * @return The last error message to occur */ @@ -1517,25 +1164,18 @@ class CoreExport ModuleManager */ bool Unload(Module* module); - /** Run an asynchronous reload of the given module. When the reload is - * complete, the callback will be run with true if the reload succeeded - * and false if it did not. - */ - void Reload(Module* module, HandlerBase1* callback); - /** Called by the InspIRCd constructor to load all modules from the config file. */ void LoadAll(); void UnloadAll(); void DoSafeUnload(Module*); - /** Get the total number of currently loaded modules - * @return The number of loaded modules + /** Check if a module can be unloaded and if yes, prepare it for unload + * @param mod Module to be unloaded + * @return True if the module is unloadable, false otherwise. + * If true the module must be unloaded in the current main loop iteration. */ - int GetCount() - { - return this->ModCount; - } + bool CanUnload(Module* mod); /** Find a module by name, and return a Module* to it. * This is preferred over iterating the module lists yourself. @@ -1550,6 +1190,11 @@ class CoreExport ModuleManager /** Unregister a service provided by a module */ void DelService(ServiceProvider&); + /** Register all services in a given ServiceList + * @param list The list containing the services to register + */ + void AddServices(const ServiceList& list); + inline void AddServices(ServiceProvider** list, int count) { for(int i=0; i < count; i++) @@ -1566,13 +1211,21 @@ class CoreExport ModuleManager return static_cast(FindService(SERVICE_DATA, name)); } - /** Return a list of all modules matching the given filter - * @param filter This int is a bitmask of flags set in Module::Flags, - * such as VF_VENDOR or VF_STATIC. If you wish to receive a list of - * all modules with no filtering, set this to 0. - * @return The list of module names + /** Get a map of all loaded modules keyed by their name + * @return A ModuleMap containing all loaded modules + */ + const ModuleMap& GetModules() const { return Modules; } + + /** Make a service referenceable by dynamic_references + * @param name Name that will be used by dynamic_references to find the object + * @param service Service to make referenceable by dynamic_references + */ + void AddReferent(const std::string& name, ServiceProvider* service); + + /** Make a service no longer referenceable by dynamic_references + * @param service Service to make no longer referenceable by dynamic_references */ - const std::vector GetAllModuleNames(int filter); + void DelReferent(ServiceProvider* service); }; /** Do not mess with these functions unless you know the C preprocessor @@ -1602,11 +1255,7 @@ struct AllModuleList { }; #define MODULE_INIT(x) static Module* MK_ ## x() { return new x; } \ - static const AllModuleList PREP_ ## x(&MK_ ## x, MODNAMESTR); - -#define MODNAMESTR MODNAMESTR_FN_2(MODNAME) -#define MODNAMESTR_FN_2(x) MODNAMESTR_FN_1(x) -#define MODNAMESTR_FN_1(x) #x + static const AllModuleList PREP_ ## x(&MK_ ## x, MODNAME ".so"); #else @@ -1630,7 +1279,8 @@ struct AllModuleList { break; \ } \ return TRUE; \ - } + } \ + extern "C" DllExport const char inspircd_src_version[] = INSPIRCD_VERSION " " INSPIRCD_REVISION; #else @@ -1639,11 +1289,9 @@ struct AllModuleList { { \ return new y; \ } \ - extern "C" const char inspircd_src_version[] = VERSION " r" REVISION; + extern "C" DllExport const char inspircd_src_version[] = INSPIRCD_VERSION " " INSPIRCD_REVISION; #endif #define COMMAND_INIT(c) MODULE_INIT(CommandModule) #endif - -#endif