1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
17 /** Used to indicate command success codes
21 CMD_FAILURE = 0, /* Command exists, but failed */
22 CMD_SUCCESS = 1, /* Command exists, and succeeded */
23 CMD_INVALID = 2 /* Command doesnt exist at all! */
26 /** Translation types for translation of parameters to UIDs.
27 * This allows the core commands to not have to be aware of how UIDs
28 * work (making it still possible to write other linking modules which
29 * do not use UID (but why would you want to?)
33 TR_END, /* End of known parameters, everything after this is TR_TEXT */
34 TR_TEXT, /* Raw text, leave as-is */
35 TR_NICK, /* Nickname, translate to UUID for server->server */
36 TR_CUSTOM /* Custom translation handled by EncodeParameter/DecodeParameter */
39 /** Routing types for a command. Any command which is created defaults
40 * to having its command broadcasted on success. This behaviour may be
41 * overridden to one of the route types shown below (see the #defines
42 * below for more information on each one's behaviour)
53 /** Defines routing information for a command, containing a destination
54 * server id (if applicable) and a routing type from the enum above.
56 struct RouteDescriptor
58 /** Routing type from the enum above
61 /** For unicast, the destination server's name
63 const std::string serverdest;
65 /** Create a RouteDescriptor
67 RouteDescriptor(RouteType t, const std::string &d)
68 : type(t), serverdest(d) { }
71 /** Do not route this command */
72 #define ROUTE_LOCALONLY (RouteDescriptor(ROUTE_TYPE_LOCALONLY, ""))
73 /** Route this command to all servers, fail if not understood */
74 #define ROUTE_BROADCAST (RouteDescriptor(ROUTE_TYPE_BROADCAST, ""))
75 /** Route this command to a single server (do nothing if own server name specified) */
76 #define ROUTE_UNICAST(x) (RouteDescriptor(ROUTE_TYPE_UNICAST, x))
77 /** Route this command to all servers wrapped via ENCAP, so ignored if not understood */
78 #define ROUTE_OPT_BCAST (RouteDescriptor(ROUTE_TYPE_OPT_BCAST, ""))
79 /** Route this command to a single server wrapped via ENCAP, so ignored if not understood */
80 #define ROUTE_OPT_UCAST(x) (RouteDescriptor(ROUTE_TYPE_OPT_UCAST, x))
82 /** A structure that defines a command. Every command available
83 * in InspIRCd must be defined as derived from Command.
85 class CoreExport Command : public Extensible
88 /** Owner/Creator object
90 InspIRCd* ServerInstance;
96 /** Creator module, NULL for core commands */
99 /** User flags needed to execute the command or 0
103 /** Minimum number of parameters command takes
105 const unsigned int min_params;
107 /** Maximum number of parameters command takes.
108 * This is used by the command parser to join extra parameters into one last param.
109 * If not set, no munging is done to this command.
111 const unsigned int max_params;
115 long double use_count;
119 long double total_bytes;
121 /** True if the command is disabled to non-opers
125 /** True if the command can be issued before registering
127 bool works_before_reg;
129 /** Syntax string for the command, displayed if non-empty string.
130 * This takes place of the text in the 'not enough parameters' numeric.
134 /** Translation type list for possible parameters, used to tokenize
135 * parameters into UIDs and SIDs etc.
137 std::vector<TranslateType> translation;
139 /** How many seconds worth of penalty does this command have?
143 /** Create a new command.
144 * @param Instance Pointer to creator class
145 * @param cmd Command name. This must be UPPER CASE.
146 * @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.
147 * For oper only commands, set this to 'o', otherwise use 0.
148 * @param minpara Minimum parameters required for the command.
149 * @param maxpara Maximum number of parameters this command may have - extra parameters will be tossed into one last space-seperated param.
150 * @param before_reg If this is set to true, the command will
151 * be allowed before the user is 'registered' (has sent USER,
152 * NICK, optionally PASS, and been resolved).
154 Command(InspIRCd* Instance, Module* me, const std::string &cmd, const char *flags, int minpara, bool before_reg = false, int penalty = 1) :
155 ServerInstance(Instance), command(cmd), creator(me), flags_needed(flags ? *flags : 0),
156 min_params(minpara), max_params(0), disabled(false), works_before_reg(before_reg), Penalty(penalty)
162 Command(InspIRCd* Instance, Module* me, const std::string &cmd, const char *flags, int minpara, int maxpara, bool before_reg = false, int penalty = 1) :
163 ServerInstance(Instance), command(cmd), creator(me), flags_needed(flags ? *flags : 0),
164 min_params(minpara), max_params(maxpara), disabled(false), works_before_reg(before_reg), Penalty(penalty)
170 /** Handle the command from a user.
171 * @param parameters The parameters for the command.
172 * @param user The user who issued the command.
173 * @return Return CMD_SUCCESS on success, or CMD_FAILURE on failure.
175 virtual CmdResult Handle(const std::vector<std::string>& parameters, User* user) = 0;
177 virtual RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
179 return ROUTE_LOCALONLY;
182 /** Encode a parameter for server->server transmission.
183 * Used for parameters for which the translation type is TR_CUSTOM.
184 * @param parameter The parameter to encode. Can be modified in place.
185 * @param index The parameter index (0 == first parameter).
187 virtual void EncodeParameter(std::string& parameter, int index)
191 /** Decode a parameter from server->server transmission.
192 * Not currently used in this version of InspIRCd.
193 * Used for parameters for which the translation type is TR_CUSTOM.
194 * @param parameter The parameter to decode. Can be modified in place.
195 * @param index The parameter index (0 == first parameter).
197 virtual void DecodeParameter(std::string& parameter, int index)
201 /** Disable or enable this command.
202 * @param setting True to disable the command.
204 void Disable(bool setting)
209 /** Obtain this command's disable state.
210 * @return true if the command is currently disabled
211 * (disabled commands can be used only by operators)
218 /** @return true if the command works before registration.
220 bool WorksBeforeReg()
222 return works_before_reg;
225 /** Standard constructor gubbins
233 /** A hash of commands used by the core
235 typedef nspace::hash_map<std::string,Command*> Commandtable;
237 /** Shortcut macros for defining translation lists
239 #define TRANSLATE1(x1) translation.push_back(x1);
240 #define TRANSLATE2(x1,x2) translation.push_back(x1);translation.push_back(x2);
241 #define TRANSLATE3(x1,x2,x3) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);
242 #define TRANSLATE4(x1,x2,x3,x4) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);
243 #define TRANSLATE5(x1,x2,x3,x4,x5) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\
244 translation.push_back(x5);
245 #define TRANSLATE6(x1,x2,x3,x4,x5,x6) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\
246 translation.push_back(x5);translation.push_back(x6);
247 #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);\
248 translation.push_back(x5);translation.push_back(x6);translation.push_back(x7);
249 #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);\
250 translation.push_back(x5);translation.push_back(x6);translation.push_back(x7);translation.push_back(x8);