/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2009 InspIRCd Development Team * See: http://wiki.inspircd.org/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #ifndef __CTABLES_H__ #define __CTABLES_H__ /** Used to indicate command success codes */ enum CmdResult { CMD_FAILURE = 0, /* Command exists, but failed */ CMD_SUCCESS = 1, /* Command exists, and succeeded */ CMD_INVALID = 2 /* Command doesnt exist at all! */ }; /** Translation types for translation of parameters to UIDs. * This allows the core commands to not have to be aware of how UIDs * work (making it still possible to write other linking modules which * do not use UID (but why would you want to?) */ enum TranslateType { TR_END, /* End of known parameters, everything after this is TR_TEXT */ TR_TEXT, /* Raw text, leave as-is */ TR_NICK, /* Nickname, translate to UUID for server->server */ TR_CUSTOM /* Custom translation handled by EncodeParameter/DecodeParameter */ }; /** For commands which should not be replicated to other * servers, we usually return CMD_FAILURE. this isnt readable, * so we define this alias for CMD_FAILURE called * CMD_LOCALONLY, which of course does the same thing but is * much more readable. */ #define CMD_LOCALONLY CMD_FAILURE /** A structure that defines a command. Every command available * in InspIRCd must be defined as derived from Command. */ class CoreExport Command : public Extensible { protected: /** Owner/Creator object */ InspIRCd* ServerInstance; public: /** Command name */ std::string command; /** User flags needed to execute the command or 0 */ char flags_needed; /** Minimum number of parameters command takes */ const unsigned int min_params; /** Maximum number of parameters command takes. * This is used by the command parser to join extra parameters into one last param. * If not set, no munging is done to this command. */ const unsigned int max_params; /** used by /stats m */ long double use_count; /** used by /stats m */ long double total_bytes; /** used for resource tracking between modules */ std::string source; /** True if the command is disabled to non-opers */ bool disabled; /** True if the command can be issued before registering */ bool works_before_reg; /** Syntax string for the command, displayed if non-empty string. * This takes place of the text in the 'not enough parameters' numeric. */ std::string syntax; /** Translation type list for possible parameters, used to tokenize * parameters into UIDs and SIDs etc. */ std::vector translation; /** How many seconds worth of penalty does this command have? */ const int Penalty; /** Create a new command. * @param Instance Pointer to creator class * @param cmd Command name. This must be UPPER CASE. * @param flags User mode required to execute the command. May ONLY be one mode - it's a string to give warnings if people mix params up. * For oper only commands, set this to 'o', otherwise use 0. * @param minpara Minimum parameters required for the command. * @param maxpara Maximum number of parameters this command may have - extra parameters will be tossed into one last space-seperated param. * @param before_reg If this is set to true, the command will * be allowed before the user is 'registered' (has sent USER, * NICK, optionally PASS, and been resolved). */ Command(InspIRCd* Instance, const std::string &cmd, const char *flags, int minpara, bool before_reg = false, int penalty = 1) : ServerInstance(Instance), command(cmd), flags_needed(flags ? *flags : 0), min_params(minpara), max_params(0), disabled(false), works_before_reg(before_reg), Penalty(penalty) { use_count = 0; total_bytes = 0; source = ""; syntax = ""; translation.clear(); } Command(InspIRCd* Instance, const std::string &cmd, const char *flags, int minpara, int maxpara, bool before_reg = false, int penalty = 1) : ServerInstance(Instance), command(cmd), flags_needed(flags ? *flags : 0), min_params(minpara), max_params(maxpara), disabled(false), works_before_reg(before_reg), Penalty(penalty) { use_count = 0; total_bytes = 0; source = ""; syntax = ""; translation.clear(); } /** Handle the command from a user. * @param parameters The parameters for the command. * @param user The user who issued the command. * @return Return CMD_SUCCESS on success, or CMD_FAILURE on failure. * If the command succeeds but should remain local to this server, * return CMD_LOCALONLY. */ virtual CmdResult Handle(const std::vector& parameters, User* user) = 0; /** Handle an internal request from another command, the core, or a module * @param Command ID * @param Zero or more parameters, whos form is specified by the command ID. * @return Return CMD_SUCCESS on success, or CMD_FAILURE on failure. * If the command succeeds but should remain local to this server, * return CMD_LOCALONLY. */ virtual CmdResult HandleInternal(const unsigned int /* id */, const std::deque& /* params */) { return CMD_INVALID; } /** Handle the command from a server. * Not currently used in this version of InspIRCd. * @param parameters The parameters given * @param servername The server name which issued the command * @return Return CMD_SUCCESS on success, or CMD_FAILURE on failure. * If the command succeeds but should remain local to this server, * return CMD_LOCALONLY. */ virtual CmdResult HandleServer(const std::vector& /* parameters */, const std::string& /* servername */) { return CMD_INVALID; } /** Encode a parameter for server->server transmission. * Used for parameters for which the translation type is TR_CUSTOM. * @param parameter The parameter to encode. Can be modified in place. * @param index The parameter index (0 == first parameter). */ virtual void EncodeParameter(std::string& parameter, int index) { } /** Decode a parameter from server->server transmission. * Not currently used in this version of InspIRCd. * Used for parameters for which the translation type is TR_CUSTOM. * @param parameter The parameter to decode. Can be modified in place. * @param index The parameter index (0 == first parameter). */ virtual void DecodeParameter(std::string& parameter, int index) { } /** Disable or enable this command. * @param setting True to disable the command. */ void Disable(bool setting) { disabled = setting; } /** Obtain this command's disable state. * @return true if the command is currently disabled * (disabled commands can be used only by operators) */ bool IsDisabled() { return disabled; } /** @return true if the command works before registration. */ bool WorksBeforeReg() { return works_before_reg; } /** Standard constructor gubbins */ virtual ~Command() { syntax.clear(); } }; /** A hash of commands used by the core */ typedef nspace::hash_map Commandtable; /** Shortcut macros for defining translation lists */ #define TRANSLATE1(x1) translation.push_back(x1); #define TRANSLATE2(x1,x2) translation.push_back(x1);translation.push_back(x2); #define TRANSLATE3(x1,x2,x3) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3); #define TRANSLATE4(x1,x2,x3,x4) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4); #define TRANSLATE5(x1,x2,x3,x4,x5) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\ translation.push_back(x5); #define TRANSLATE6(x1,x2,x3,x4,x5,x6) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\ translation.push_back(x5);translation.push_back(x6); #define TRANSLATE7(x1,x2,x3,x4,x5,x6,x7) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\ translation.push_back(x5);translation.push_back(x6);translation.push_back(x7); #define TRANSLATE8(x1,x2,x3,x4,x5,x6,x7,x8) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\ translation.push_back(x5);translation.push_back(x6);translation.push_back(x7);translation.push_back(x8); #endif