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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/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_NICKLIST, /* Comma seperated nickname list, translate to UUIDs */
TR_SPACENICKLIST, /* Space seperated nickname list, translate to UUIDs */
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<TranslateType> 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 = "<core>";
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 = "<core>";
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<std::string>& 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<classbase*>& /* 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<std::string>& /* 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<std::string,Command*> 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
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