summaryrefslogtreecommitdiff
path: root/include/ctables.h
blob: c3d2f7b43d713bfc98163a918c2e77eefd63e531 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2007 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__


#include "inspircd_config.h"
#include "hash_map.h"
#include "base.h"

class userrec;
class InspIRCd;

/** 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! */
	CMD_USER_DELETED = 3	/* User was deleted! */
};

/* 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_t.
 */
class CoreExport command_t : 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
	*/
	int min_params;
	/** used by /stats m
	 */
	long use_count;
	/** used by /stats m
 	 */
	float 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;

	/** Create a new command.
	 * @param Instance Pointer to creator class
	 * @param cmd Command name. This must be UPPER CASE.
	 * @param flags User modes required to execute the command.
	 * For oper only commands, set this to 'o', otherwise use 0.
	 * @param minpara Minimum parameters required for the command.
	 * @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_t(InspIRCd* Instance, const std::string &cmd, char flags, int minpara, int before_reg = false) : ServerInstance(Instance), command(cmd), flags_needed(flags), min_params(minpara), disabled(false), works_before_reg(before_reg)
	{
		use_count = 0;
		total_bytes = 0;
		source = "<core>";
		syntax = "";
	}

	/** Handle the command from a user.
	 * @param parameters The parameters for the command.
	 * @param pcnt The number of parameters available in 'parameters'
	 * @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 char** parameters, int pcnt, userrec* 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 pcnt The number of parameters available
	 * @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 char** parameters, int pcnt, const std::string &servername)
	{
		return CMD_INVALID;
	}

	/** 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_t() {}
};

/** A hash of commands used by the core
 */
typedef nspace::hash_map<std::string,command_t*> command_table;

#endif