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.TH "Server" 3 "25 May 2005" "InspIRCd" \" -*- nroff -*-
.ad l
.nh
.SH NAME
Server \- Allows server output and query functions This class contains methods which allow a module to query the state of the irc server, and produce output to users and other servers.  

.PP
.SH SYNOPSIS
.br
.PP
\fC#include <modules.h>\fP
.PP
Inherits \fBclassbase\fP.
.PP
.SS "Public Member Functions"

.in +1c
.ti -1c
.RI "\fBServer\fP ()"
.br
.RI "\fIDefault constructor. \fP"
.ti -1c
.RI "virtual \fB~Server\fP ()"
.br
.RI "\fIDefault destructor. \fP"
.ti -1c
.RI "virtual void \fBSendOpers\fP (std::string s)"
.br
.RI "\fISends text to all opers. \fP"
.ti -1c
.RI "virtual void \fBLog\fP (int level, std::string s)"
.br
.RI "\fIWrites a log string. \fP"
.ti -1c
.RI "virtual void \fBSend\fP (int Socket, std::string s)"
.br
.RI "\fISends a line of text down a TCP/IP socket. \fP"
.ti -1c
.RI "virtual void \fBSendServ\fP (int Socket, std::string s)"
.br
.RI "\fISends text from the server to a socket. \fP"
.ti -1c
.RI "virtual void \fBSendChannelServerNotice\fP (std::string ServName, \fBchanrec\fP *Channel, std::string text)"
.br
.RI "\fIWrites text to a channel, but from a server, including all. \fP"
.ti -1c
.RI "virtual void \fBSendFrom\fP (int Socket, \fBuserrec\fP *User, std::string s)"
.br
.RI "\fISends text from a user to a socket. \fP"
.ti -1c
.RI "virtual void \fBSendTo\fP (\fBuserrec\fP *Source, \fBuserrec\fP *Dest, std::string s)"
.br
.RI "\fISends text from a user to another user. \fP"
.ti -1c
.RI "virtual void \fBSendChannel\fP (\fBuserrec\fP *User, \fBchanrec\fP *Channel, std::string s, bool IncludeSender)"
.br
.RI "\fISends text from a user to a channel (mulicast). \fP"
.ti -1c
.RI "virtual bool \fBCommonChannels\fP (\fBuserrec\fP *u1, \fBuserrec\fP *u2)"
.br
.RI "\fIReturns true if two users share a common channel. \fP"
.ti -1c
.RI "virtual void \fBSendCommon\fP (\fBuserrec\fP *User, std::string text, bool IncludeSender)"
.br
.RI "\fISends text from a user to one or more channels (mulicast). \fP"
.ti -1c
.RI "virtual void \fBSendWallops\fP (\fBuserrec\fP *User, std::string text)"
.br
.RI "\fISends a WALLOPS message. \fP"
.ti -1c
.RI "virtual bool \fBIsNick\fP (std::string nick)"
.br
.RI "\fIReturns true if a nick is valid. \fP"
.ti -1c
.RI "virtual int \fBCountUsers\fP (\fBchanrec\fP *c)"
.br
.RI "\fIReturns a count of the number of users on a channel. \fP"
.ti -1c
.RI "virtual \fBuserrec\fP * \fBFindNick\fP (std::string nick)"
.br
.RI "\fIAttempts to look up a nick and return a pointer to it. \fP"
.ti -1c
.RI "virtual \fBuserrec\fP * \fBFindDescriptor\fP (int socket)"
.br
.RI "\fIAttempts to look up a nick using the file descriptor associated with that nick. \fP"
.ti -1c
.RI "virtual \fBchanrec\fP * \fBFindChannel\fP (std::string channel)"
.br
.RI "\fIAttempts to look up a channel and return a pointer to it. \fP"
.ti -1c
.RI "virtual std::string \fBChanMode\fP (\fBuserrec\fP *User, \fBchanrec\fP *Chan)"
.br
.RI "\fIAttempts to look up a user's privilages on a channel. \fP"
.ti -1c
.RI "virtual bool \fBIsOnChannel\fP (\fBuserrec\fP *User, \fBchanrec\fP *Chan)"
.br
.RI "\fIChecks if a user is on a channel. \fP"
.ti -1c
.RI "virtual std::string \fBGetServerName\fP ()"
.br
.RI "\fIReturns the server name of the server where the module is loaded. \fP"
.ti -1c
.RI "virtual std::string \fBGetNetworkName\fP ()"
.br
.RI "\fIReturns the network name, global to all linked servers. \fP"
.ti -1c
.RI "virtual std::string \fBGetServerDescription\fP ()"
.br
.RI "\fIReturns the server description string of the local server. \fP"
.ti -1c
.RI "virtual \fBAdmin\fP \fBGetAdmin\fP ()"
.br
.RI "\fIReturns the information of the server as returned by the /ADMIN command. \fP"
.ti -1c
.RI "virtual bool \fBAddExtendedMode\fP (char modechar, int type, bool requires_oper, int params_when_on, int params_when_off)"
.br
.RI "\fIAdds an extended mode letter which is parsed by a module. \fP"
.ti -1c
.RI "virtual bool \fBAddExtendedListMode\fP (char modechar)"
.br
.RI "\fIAdds an extended mode letter which is parsed by a module and handled in a list fashion. \fP"
.ti -1c
.RI "virtual void \fBAddCommand\fP (char *cmd, handlerfunc f, char flags, int minparams, char *source)"
.br
.RI "\fIAdds a command to the command table. \fP"
.ti -1c
.RI "virtual void \fBSendMode\fP (char **parameters, int pcnt, \fBuserrec\fP *user)"
.br
.RI "\fISends a servermode. \fP"
.ti -1c
.RI "virtual void \fBSendToModeMask\fP (std::string modes, int flags, std::string text)"
.br
.RI "\fISends to all users matching a mode mask You must specify one or more usermodes as the first parameter. \fP"
.ti -1c
.RI "virtual \fBchanrec\fP * \fBJoinUserToChannel\fP (\fBuserrec\fP *user, std::string cname, std::string key)"
.br
.RI "\fIForces a user to join a channel. \fP"
.ti -1c
.RI "virtual \fBchanrec\fP * \fBPartUserFromChannel\fP (\fBuserrec\fP *user, std::string cname, std::string reason)"
.br
.RI "\fIForces a user to part a channel. \fP"
.ti -1c
.RI "virtual void \fBChangeUserNick\fP (\fBuserrec\fP *user, std::string nickname)"
.br
.RI "\fIForces a user nickchange. \fP"
.ti -1c
.RI "virtual void \fBQuitUser\fP (\fBuserrec\fP *user, std::string reason)"
.br
.RI "\fIForces a user to quit with the specified reason. \fP"
.ti -1c
.RI "virtual bool \fBMatchText\fP (std::string sliteral, std::string spattern)"
.br
.RI "\fIMatches text against a glob pattern. \fP"
.ti -1c
.RI "virtual void \fBCallCommandHandler\fP (std::string commandname, char **parameters, int pcnt, \fBuserrec\fP *user)"
.br
.RI "\fICalls the handler for a command, either implemented by the core or by another module. \fP"
.ti -1c
.RI "virtual void \fBChangeHost\fP (\fBuserrec\fP *user, std::string host)"
.br
.RI "\fIChange displayed hostname of a user. \fP"
.ti -1c
.RI "virtual void \fBChangeGECOS\fP (\fBuserrec\fP *user, std::string gecos)"
.br
.RI "\fIChange GECOS (fullname) of a user. \fP"
.ti -1c
.RI "virtual bool \fBIsUlined\fP (std::string server)"
.br
.RI "\fIReturns true if the servername you give is ulined. \fP"
.ti -1c
.RI "virtual \fBchanuserlist\fP \fBGetUsers\fP (\fBchanrec\fP *chan)"
.br
.RI "\fIFetches the userlist of a channel. \fP"
.ti -1c
.RI "virtual bool \fBUserToPseudo\fP (\fBuserrec\fP *user, std::string message)"
.br
.RI "\fIRemove a user's connection to the irc server, but leave their client in existence in the user hash. \fP"
.ti -1c
.RI "virtual bool \fBPseudoToUser\fP (\fBuserrec\fP *alive, \fBuserrec\fP *zombie, std::string message)"
.br
.RI "\fIThis user takes one user, and switches their file descriptor with another user, so that one user 'becomes' the other. \fP"
.ti -1c
.RI "virtual void \fBAddGLine\fP (long duration, std::string source, std::string reason, std::string hostmask)"
.br
.RI "\fIAdds a G-line The G-line is propogated to all of the servers in the mesh and enforced as soon as it is added. \fP"
.ti -1c
.RI "virtual void \fBAddQLine\fP (long duration, std::string source, std::string reason, std::string nickname)"
.br
.RI "\fIAdds a Q-line The Q-line is propogated to all of the servers in the mesh and enforced as soon as it is added. \fP"
.ti -1c
.RI "virtual void \fBAddZLine\fP (long duration, std::string source, std::string reason, std::string ipaddr)"
.br
.RI "\fIAdds a Z-line The Z-line is propogated to all of the servers in the mesh and enforced as soon as it is added. \fP"
.ti -1c
.RI "virtual void \fBAddKLine\fP (long duration, std::string source, std::string reason, std::string hostmask)"
.br
.RI "\fIAdds a K-line The K-line is enforced as soon as it is added. \fP"
.ti -1c
.RI "virtual void \fBAddELine\fP (long duration, std::string source, std::string reason, std::string hostmask)"
.br
.RI "\fIAdds a E-line The E-line is enforced as soon as it is added. \fP"
.ti -1c
.RI "virtual bool \fBDelGLine\fP (std::string hostmask)"
.br
.RI "\fIDeletes a G-Line from all servers on the mesh. \fP"
.ti -1c
.RI "virtual bool \fBDelQLine\fP (std::string nickname)"
.br
.RI "\fIDeletes a Q-Line from all servers on the mesh. \fP"
.ti -1c
.RI "virtual bool \fBDelZLine\fP (std::string ipaddr)"
.br
.RI "\fIDeletes a Z-Line from all servers on the mesh. \fP"
.ti -1c
.RI "virtual bool \fBDelKLine\fP (std::string hostmask)"
.br
.RI "\fIDeletes a local K-Line. \fP"
.ti -1c
.RI "virtual bool \fBDelELine\fP (std::string hostmask)"
.br
.RI "\fIDeletes a local E-Line. \fP"
.ti -1c
.RI "virtual long \fBCalcDuration\fP (std::string duration)"
.br
.RI "\fICalculates a duration This method will take a string containing a formatted duration (e.g. \fP"
.ti -1c
.RI "virtual bool \fBIsValidMask\fP (std::string mask)"
.br
.RI "\fIReturns true if a nick!ident string is correctly formatted, false if otherwise. \fP"
.ti -1c
.RI "virtual void \fBMeshSendAll\fP (std::string text)"
.br
.RI "\fISends a line of text to all connected servers. \fP"
.ti -1c
.RI "virtual void \fBMeshSendCommon\fP (\fBuserrec\fP *user, std::string text)"
.br
.RI "\fIThis method sends a line of text to all servers who have users which share common channels with the user you provide. \fP"
.ti -1c
.RI "virtual void \fBMeshSendAllAlive\fP (std::string text)"
.br
.RI "\fIThis function is equivalent to Server::MeshSendToAll except it will only route to servers which are directly routable. \fP"
.ti -1c
.RI "virtual void \fBMeshSendUnicast\fP (std::string destination, std::string text)"
.br
.RI "\fIThis function sends a line of text directly to a server. \fP"
.ti -1c
.RI "virtual void \fBMeshSendAllExcept\fP (std::string target, std::string text)"
.br
.RI "\fIThis function sends to all servers EXCEPT the one you specify. \fP"
.ti -1c
.RI "virtual bool \fBMeshCheckChan\fP (\fBchanrec\fP *c, std::string servername)"
.br
.RI "\fIThis function is used to check if any users on channel c are on server servername. \fP"
.ti -1c
.RI "virtual bool \fBMeshCheckCommon\fP (\fBuserrec\fP *u, std::string servername)"
.br
.RI "\fIThis function is used to check if user u has any channels in common with users on servername. \fP"
.ti -1c
.RI "virtual \fBModule\fP * \fBFindModule\fP (std::string name)"
.br
.RI "\fIThis function finds a module by name. \fP"
.in -1c
.SH "Detailed Description"
.PP 
Allows server output and query functions This class contains methods which allow a module to query the state of the irc server, and produce output to users and other servers. 

All modules should instantiate at least one copy of this class, and use its member functions to perform their tasks. 
.PP
Definition at line 694 of file modules.h.
.SH "Constructor & Destructor Documentation"
.PP 
.SS "Server::Server ()"
.PP
Default constructor. Creates a Server object.Definition at line 364 of file modules.cpp.
.PP
.nf
365 {
366 }
.fi
.SS "Server::~\fBServer\fP ()\fC [virtual]\fP"
.PP
Default destructor. Destroys a Server object.Definition at line 368 of file modules.cpp.
.PP
.nf
369 {
370 }
.fi
.SH "Member Function Documentation"
.PP 
.SS "void Server::AddCommand (char * cmd, handlerfunc f, char flags, int minparams, char * source)\fC [virtual]\fP"
.PP
Adds a command to the command table. This allows modules to add extra commands into the command table. You must place a function within your module which is is of type handlerfunc:
.PP
typedef void (handlerfunc) (char**, int, userrec*); ... void \fBhandle_kill(char **parameters, int pcnt, userrec *user)\fP
.PP
When the command is typed, the parameters will be placed into the parameters array (similar to argv) and the parameter count will be placed into pcnt (similar to argv). There will never be any less parameters than the 'minparams' value you specified when creating the command. The *user parameter is the class of the user which caused the command to trigger, who will always have the flag you specified in 'flags' when creating the initial command. For example to create an oper only command create the commands with flags='o'. The source parameter is used for resource tracking, and should contain the name of your module (with file extension) e.g. 'm_blarp.so'. If you place the wrong identifier here, you can cause crashes if your module is unloaded.Definition at line 437 of file modules.cpp.
.PP
References createcommand().
.PP
.nf
438 {
439         createcommand(cmd,f,flags,minparams,source);
440 }
.fi
.SS "void Server::AddELine (long duration, std::string source, std::string reason, std::string hostmask)\fC [virtual]\fP"
.PP
Adds a E-line The E-line is enforced as soon as it is added. The duration must be in seconds, however you can use the \fBServer::CalcDuration\fP method to convert durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used to indicate who or what sent the data, usually this is the nickname of a person, or a server name. Definition at line 699 of file modules.cpp.
.PP
References add_eline(), and duration().
.PP
.nf
700 {
701         add_eline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
702 }
.fi
.SS "bool Server::AddExtendedListMode (char modechar)\fC [virtual]\fP"
.PP
Adds an extended mode letter which is parsed by a module and handled in a list fashion. This call is used to implement modes like +q and +a. The characteristics of these modes are as follows:
.PP
(1) They are ALWAYS on channels, not on users, therefore their type is MT_CHANNEL
.PP
(2) They always take exactly one parameter when being added or removed
.PP
(3) They can be set multiple times, usually on users in channels
.PP
(4) The mode and its parameter are NOT stored in the channels modes structure
.PP
It is down to the module handling the mode to maintain state and determine what 'items' (e.g. users, or a banlist) have the mode set on them, and process the modes at the correct times, e.g. during access checks on channels, etc. When the extended mode is triggered the OnExtendedMode method will be triggered as above. Note that the target you are given will be a channel, if for example your mode is set 'on a user' (in for example +a) you must use Server::Find to locate the user the mode is operating on. Your mode handler may return 1 to handle the mode AND tell the core to display the mode change, e.g. '+aaa one two three' in the case of the mode for 'two', or it may return -1 to 'eat' the mode change, so the above example would become '+aa one three' after processing.Definition at line 605 of file modules.cpp.
.PP
References DoAddExtendedMode(), ModeMakeList(), and MT_CHANNEL.
.PP
.nf
606 {
607         bool res = DoAddExtendedMode(modechar,MT_CHANNEL,false,1,1);
608         if (res)
609                 ModeMakeList(modechar);
610         return res;
611 }
.fi
.SS "bool Server::AddExtendedMode (char modechar, int type, bool requires_oper, int params_when_on, int params_when_off)\fC [virtual]\fP"
.PP
Adds an extended mode letter which is parsed by a module. This allows modules to add extra mode letters, e.g. +x for hostcloak. the 'type' parameter is either MT_CHANNEL, MT_CLIENT, or MT_SERVER, to indicate wether the mode is a channel mode, a client mode, or a server mode. requires_oper is used with MT_CLIENT type modes only to indicate the mode can only be set or unset by an oper. If this is used for MT_CHANNEL type modes it is ignored. params_when_on is the number of modes to expect when the mode is turned on (for type MT_CHANNEL only), e.g. with mode +k, this would have a value of 1. the params_when_off value has a similar value to params_when_on, except it indicates the number of parameters to expect when the mode is disabled. Modes which act in a similar way to channel mode +l (e.g. require a parameter to enable, but not to disable) should use this parameter. The function returns false if the mode is unavailable, and will not attempt to allocate another character, as this will confuse users. This also means that as only one module can claim a specific mode character, the core does not need to keep track of which modules own which modes, which speeds up operation of the server. In this version, a mode can have at most one parameter, attempting to use more parameters will have undefined effects.Definition at line 577 of file modules.cpp.
.PP
References DEBUG, DoAddExtendedMode(), MT_CLIENT, and MT_SERVER.
.PP
.nf
578 {
579         if (((modechar >= 'A') && (modechar <= 'Z')) || ((modechar >= 'a') && (modechar <= 'z')))
580         {
581                 if (type == MT_SERVER)
582                 {
583                         log(DEBUG,'*** API ERROR *** Modes of type MT_SERVER are reserved for future expansion');
584                         return false;
585                 }
586                 if (((params_when_on>0) || (params_when_off>0)) && (type == MT_CLIENT))
587                 {
588                         log(DEBUG,'*** API ERROR *** Parameters on MT_CLIENT modes are not supported');
589                         return false;
590                 }
591                 if ((params_when_on>1) || (params_when_off>1))
592                 {
593                         log(DEBUG,'*** API ERROR *** More than one parameter for an MT_CHANNEL mode is not yet supported');
594                         return false;
595                 }
596                 return DoAddExtendedMode(modechar,type,requires_oper,params_when_on,params_when_off);
597         }
598         else
599         {
600                 log(DEBUG,'*** API ERROR *** Muppet modechar detected.');
601         }
602         return false;
603 }
.fi
.SS "void Server::AddGLine (long duration, std::string source, std::string reason, std::string hostmask)\fC [virtual]\fP"
.PP
Adds a G-line The G-line is propogated to all of the servers in the mesh and enforced as soon as it is added. The duration must be in seconds, however you can use the \fBServer::CalcDuration\fP method to convert durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used to indicate who or what sent the data, usually this is the nickname of a person, or a server name.Definition at line 679 of file modules.cpp.
.PP
References add_gline(), and duration().
.PP
.nf
680 {
681         add_gline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
682 }
.fi
.SS "void Server::AddKLine (long duration, std::string source, std::string reason, std::string hostmask)\fC [virtual]\fP"
.PP
Adds a K-line The K-line is enforced as soon as it is added. The duration must be in seconds, however you can use the \fBServer::CalcDuration\fP method to convert durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used to indicate who or what sent the data, usually this is the nickname of a person, or a server name. Definition at line 694 of file modules.cpp.
.PP
References add_kline(), and duration().
.PP
.nf
695 {
696         add_kline(duration, source.c_str(), reason.c_str(), hostmask.c_str());
697 }
.fi
.SS "void Server::AddQLine (long duration, std::string source, std::string reason, std::string nickname)\fC [virtual]\fP"
.PP
Adds a Q-line The Q-line is propogated to all of the servers in the mesh and enforced as soon as it is added. The duration must be in seconds, however you can use the \fBServer::CalcDuration\fP method to convert durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used to indicate who or what sent the data, usually this is the nickname of a person, or a server name. Definition at line 684 of file modules.cpp.
.PP
References add_qline(), and duration().
.PP
.nf
685 {
686         add_qline(duration, source.c_str(), reason.c_str(), nickname.c_str());
687 }
.fi
.SS "void Server::AddZLine (long duration, std::string source, std::string reason, std::string ipaddr)\fC [virtual]\fP"
.PP
Adds a Z-line The Z-line is propogated to all of the servers in the mesh and enforced as soon as it is added. The duration must be in seconds, however you can use the \fBServer::CalcDuration\fP method to convert durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used to indicate who or what sent the data, usually this is the nickname of a person, or a server name. Definition at line 689 of file modules.cpp.
.PP
References add_zline(), and duration().
.PP
.nf
690 {
691         add_zline(duration, source.c_str(), reason.c_str(), ipaddr.c_str());
692 }
.fi
.SS "long Server::CalcDuration (std::string duration)\fC [virtual]\fP"
.PP
Calculates a duration This method will take a string containing a formatted duration (e.g. '1w2d') and return its value as a total number of seconds. This is the same function used internally by /GLINE etc to set the ban times.Definition at line 729 of file modules.cpp.
.PP
References duration().
.PP
.nf
730 {
731         return duration(delta.c_str());
732 }
.fi
.SS "void Server::CallCommandHandler (std::string commandname, char ** parameters, int pcnt, \fBuserrec\fP * user)\fC [virtual]\fP"
.PP
Calls the handler for a command, either implemented by the core or by another module. You can use this function to trigger other commands in the ircd, such as PRIVMSG, JOIN, KICK etc, or even as a method of callback. By defining command names that are untypeable for users on irc (e.g. those which contain a  or 
.br
) you may use them as callback identifiers. The first parameter to this method is the name of the command handler you wish to call, e.g. PRIVMSG. This will be a command handler previously registered by the core or wih \fBAddCommand()\fP. The second parameter is an array of parameters, and the third parameter is a count of parameters in the array. If you do not pass enough parameters to meet the minimum needed by the handler, the functiom will silently ignore it. The final parameter is the user executing the command handler, used for privilage checks, etc.Definition at line 427 of file modules.cpp.
.PP
.nf
428 {
429         call_handler(commandname.c_str(),parameters,pcnt,user);
430 }
.fi
.SS "void Server::ChangeGECOS (\fBuserrec\fP * user, std::string gecos)\fC [virtual]\fP"
.PP
Change GECOS (fullname) of a user. You should always call this method to change a user's GECOS rather than writing directly to the fullname member of userrec, as any change applied via this method will be propogated to any linked servers.Definition at line 520 of file modules.cpp.
.PP
References ChangeName().
.PP
.nf
521 {
522         ChangeName(user,gecos.c_str());
523 }
.fi
.SS "void Server::ChangeHost (\fBuserrec\fP * user, std::string host)\fC [virtual]\fP"
.PP
Change displayed hostname of a user. You should always call this method to change a user's host rather than writing directly to the dhost member of userrec, as any change applied via this method will be propogated to any linked servers.Definition at line 515 of file modules.cpp.
.PP
References ChangeDisplayedHost().
.PP
.nf
516 {
517         ChangeDisplayedHost(user,host.c_str());
518 }
.fi
.SS "void Server::ChangeUserNick (\fBuserrec\fP * user, std::string nickname)\fC [virtual]\fP"
.PP
Forces a user nickchange. This command works similarly to SVSNICK, and can be used to implement Q-lines etc. If you specify an invalid nickname, the nick change will be dropped and the target user will receive the error numeric for it.Definition at line 412 of file modules.cpp.
.PP
.nf
413 {
414         force_nickchange(user,nickname.c_str());
415 }
.fi
.SS "std::string Server::ChanMode (\fBuserrec\fP * User, \fBchanrec\fP * Chan)\fC [virtual]\fP"
.PP
Attempts to look up a user's privilages on a channel. This function will return a string containing either @, , +, or an empty string, representing the user's privilages upon the channel you specify.Definition at line 545 of file modules.cpp.
.PP
References cmode().
.PP
.nf
546 {
547         return cmode(User,Chan);
548 }
.fi
.SS "bool Server::CommonChannels (\fBuserrec\fP * u1, \fBuserrec\fP * u2)\fC [virtual]\fP"
.PP
Returns true if two users share a common channel. This method is used internally by the NICK and QUIT commands, and the \fBServer::SendCommon\fP method.Definition at line 493 of file modules.cpp.
.PP
References common_channels().
.PP
.nf
494 {
495         return (common_channels(u1,u2) != 0);
496 }
.fi
.SS "int Server::CountUsers (\fBchanrec\fP * c)\fC [virtual]\fP"
.PP
Returns a count of the number of users on a channel. This will NEVER be 0, as if the chanrec exists, it will have at least one user in the channel.Definition at line 613 of file modules.cpp.
.PP
.nf
614 {
615         return usercount(c);
616 }
.fi
.SS "bool Server::DelELine (std::string hostmask)\fC [virtual]\fP"
.PP
Deletes a local E-Line. Definition at line 724 of file modules.cpp.
.PP
References del_eline().
.PP
.nf
725 {
726         del_eline(hostmask.c_str());
727 }
.fi
.SS "bool Server::DelGLine (std::string hostmask)\fC [virtual]\fP"
.PP
Deletes a G-Line from all servers on the mesh. Definition at line 704 of file modules.cpp.
.PP
References del_gline().
.PP
.nf
705 {
706         del_gline(hostmask.c_str());
707 }
.fi
.SS "bool Server::DelKLine (std::string hostmask)\fC [virtual]\fP"
.PP
Deletes a local K-Line. Definition at line 719 of file modules.cpp.
.PP
References del_kline().
.PP
.nf
720 {
721         del_kline(hostmask.c_str());
722 }
.fi
.SS "bool Server::DelQLine (std::string nickname)\fC [virtual]\fP"
.PP
Deletes a Q-Line from all servers on the mesh. Definition at line 709 of file modules.cpp.
.PP
References del_qline().
.PP
.nf
710 {
711         del_qline(nickname.c_str());
712 }
.fi
.SS "bool Server::DelZLine (std::string ipaddr)\fC [virtual]\fP"
.PP
Deletes a Z-Line from all servers on the mesh. Definition at line 714 of file modules.cpp.
.PP
References del_zline().
.PP
.nf
715 {
716         del_zline(ipaddr.c_str());
717 }
.fi
.SS "\fBchanrec\fP * Server::FindChannel (std::string channel)\fC [virtual]\fP"
.PP
Attempts to look up a channel and return a pointer to it. This function will return NULL if the channel does not exist.Definition at line 540 of file modules.cpp.
.PP
.nf
541 {
542         return FindChan(channel.c_str());
543 }
.fi
.SS "\fBuserrec\fP * Server::FindDescriptor (int socket)\fC [virtual]\fP"
.PP
Attempts to look up a nick using the file descriptor associated with that nick. This function will return NULL if the file descriptor is not associated with a valid user.Definition at line 535 of file modules.cpp.
.PP
References fd_ref_table.
.PP
.nf
536 {
537         return (socket < 65536 ? fd_ref_table[socket] : NULL);
538 }
.fi
.SS "\fBModule\fP * Server::FindModule (std::string name)\fC [virtual]\fP"
.PP
This function finds a module by name. You must provide the filename of the module. If the module cannot be found (is not loaded) the function will return NULL.Definition at line 807 of file modules.cpp.
.PP
References MODCOUNT, module_names, and modules.
.PP
.nf
808 {
809         for (int i = 0; i <= MODCOUNT; i++)
810         {
811                 if (module_names[i] == name)
812                 {
813                         return modules[i];
814                 }
815         }
816         return NULL;
817 }
.fi
.SS "\fBuserrec\fP * Server::FindNick (std::string nick)\fC [virtual]\fP"
.PP
Attempts to look up a nick and return a pointer to it. This function will return NULL if the nick does not exist.Definition at line 530 of file modules.cpp.
.PP
.nf
531 {
532         return Find(nick);
533 }
.fi
.SS "\fBAdmin\fP Server::GetAdmin ()\fC [virtual]\fP"
.PP
Returns the information of the server as returned by the /ADMIN command. See the \fBAdmin\fP class for further information of the return value. The members \fBAdmin::Nick\fP, \fBAdmin::Email\fP and \fBAdmin::Name\fP contain the information for the server where the module is loaded.Definition at line 570 of file modules.cpp.
.PP
.nf
571 {
572         return Admin(getadminname(),getadminemail(),getadminnick());
573 }
.fi
.SS "std::string Server::GetNetworkName ()\fC [virtual]\fP"
.PP
Returns the network name, global to all linked servers. Definition at line 560 of file modules.cpp.
.PP
.nf
561 {
562         return getnetworkname();
563 }
.fi
.SS "std::string Server::GetServerDescription ()\fC [virtual]\fP"
.PP
Returns the server description string of the local server. Definition at line 565 of file modules.cpp.
.PP
.nf
566 {
567         return getserverdesc();
568 }
.fi
.SS "std::string Server::GetServerName ()\fC [virtual]\fP"
.PP
Returns the server name of the server where the module is loaded. Definition at line 555 of file modules.cpp.
.PP
.nf
556 {
557         return getservername();
558 }
.fi
.SS "\fBchanuserlist\fP Server::GetUsers (\fBchanrec\fP * chan)\fC [virtual]\fP"
.PP
Fetches the userlist of a channel. This function must be here and not a member of userrec or chanrec due to include constraints.Definition at line 400 of file modules.cpp.
.PP
References chanuserlist, chanrec::GetUsers(), and list.
.PP
.nf
401 {
402         chanuserlist userl;
403         userl.clear();
404         std::vector<char*> *list = chan->GetUsers();
405         for (std::vector<char*>::iterator i = list->begin(); i != list->end(); i++)
406         {
407                 char* o = *i;
408                 userl.push_back((userrec*)o);
409         }
410         return userl;
411 }
.fi
.SS "bool Server::IsNick (std::string nick)\fC [virtual]\fP"
.PP
Returns true if a nick is valid. Nicks for unregistered connections will return false.Definition at line 525 of file modules.cpp.
.PP
References isnick().
.PP
.nf
526 {
527         return (isnick(nick.c_str()) != 0);
528 }
.fi
.SS "bool Server::IsOnChannel (\fBuserrec\fP * User, \fBchanrec\fP * Chan)\fC [virtual]\fP"
.PP
Checks if a user is on a channel. This function will return true or false to indicate if user 'User' is on channel 'Chan'.Definition at line 550 of file modules.cpp.
.PP
References has_channel().
.PP
.nf
551 {
552         return has_channel(User,Chan);
553 }
.fi
.SS "bool Server::IsUlined (std::string server)\fC [virtual]\fP"
.PP
Returns true if the servername you give is ulined. ULined servers have extra privilages. They are allowed to change nicknames on remote servers, change modes of clients which are on remote servers and set modes of channels where there are no channel operators for that channel on the ulined server, amongst other things. Ulined server data is also broadcast across the mesh at all times as opposed to selectively messaged in the case of normal servers, as many ulined server types (such as services) do not support meshed links and must operate in this manner.Definition at line 422 of file modules.cpp.
.PP
References is_uline().
.PP
.nf
423 {
424         return is_uline(server.c_str());
425 }
.fi
.SS "bool Server::IsValidMask (std::string mask)\fC [virtual]\fP"
.PP
Returns true if a nick!ident string is correctly formatted, false if otherwise. Definition at line 734 of file modules.cpp.
.PP
.nf
735 {
736         const char* dest = mask.c_str();
737         if (strchr(dest,'!')==0)
738                 return false;
739         if (strchr(dest,'@')==0)
740                 return false;
741         for (int i = 0; i < strlen(dest); i++)
742                 if (dest[i] < 32)
743                         return false;
744         for (int i = 0; i < strlen(dest); i++)
745                 if (dest[i] > 126)
746                         return false;
747         int c = 0;
748         for (int i = 0; i < strlen(dest); i++)
749                 if (dest[i] == '!')
750                         c++;
751         if (c>1)
752                 return false;
753         c = 0;
754         for (int i = 0; i < strlen(dest); i++)
755                 if (dest[i] == '@')
756                         c++;
757         if (c>1)
758                 return false;
759 
760         return true;
761 }
.fi
.SS "\fBchanrec\fP * Server::JoinUserToChannel (\fBuserrec\fP * user, std::string cname, std::string key)\fC [virtual]\fP"
.PP
Forces a user to join a channel. This is similar to svsjoin and can be used to implement redirection, etc. On success, the return value is a valid pointer to a chanrec* of the channel the user was joined to. On failure, the result is NULL.Definition at line 390 of file modules.cpp.
.PP
.nf
391 {
392         return add_channel(user,cname.c_str(),key.c_str(),false);
393 }
.fi
.SS "void Server::Log (int level, std::string s)\fC [virtual]\fP"
.PP
Writes a log string. This method writes a line of text to the log. If the level given is lower than the level given in the configuration, this command has no effect.Definition at line 432 of file modules.cpp.
.PP
.nf
433 {
434         log(level,'%s',s.c_str());
435 }
.fi
.SS "bool Server::MatchText (std::string sliteral, std::string spattern)\fC [virtual]\fP"
.PP
Matches text against a glob pattern. Uses the ircd's internal matching function to match string against a globbing pattern, e.g. *!*@*.com Returns true if the literal successfully matches the pattern, false if otherwise.Definition at line 377 of file modules.cpp.
.PP
.nf
378 {
379         char literal[MAXBUF],pattern[MAXBUF];
380         strlcpy(literal,sliteral.c_str(),MAXBUF);
381         strlcpy(pattern,spattern.c_str(),MAXBUF);
382         return match(literal,pattern);
383 }
.fi
.SS "bool Server::MeshCheckChan (\fBchanrec\fP * c, std::string servername)\fC [virtual]\fP"
.PP
This function is used to check if any users on channel c are on server servername. This is used internally by PRIVMSG etc. You should not need to use it.Definition at line 789 of file modules.cpp.
.PP
.nf
790 {
791         if (c)
792         {
793                 return ChanAnyOnThisServer(c,(char*)servername.c_str());
794         }
795         else return false;
796 }
.fi
.SS "bool Server::MeshCheckCommon (\fBuserrec\fP * u, std::string servername)\fC [virtual]\fP"
.PP
This function is used to check if user u has any channels in common with users on servername. This is used internally by \fBServer::MeshSendCommon\fP. You should very rarely need to use it.Definition at line 798 of file modules.cpp.
.PP
.nf
799 {
800         if (u)
801         {
802                 return CommonOnThisServer(u,(char*)servername.c_str());
803         }
804         else return false;
805 }
.fi
.SS "void Server::MeshSendAll (std::string text)\fC [virtual]\fP"
.PP
Sends a line of text to all connected servers. If a server is not directly reachable, the core deals with routing the message, and will also deal with failures transparently.Definition at line 763 of file modules.cpp.
.PP
.nf
764 {
765         NetSendToAll((char*)text.c_str());
766 }
.fi
.SS "void Server::MeshSendAllAlive (std::string text)\fC [virtual]\fP"
.PP
This function is equivalent to Server::MeshSendToAll except it will only route to servers which are directly routable. Definition at line 774 of file modules.cpp.
.PP
.nf
775 {
776         NetSendToAllAlive((char*)text.c_str());
777 }
.fi
.SS "void Server::MeshSendAllExcept (std::string target, std::string text)\fC [virtual]\fP"
.PP
This function sends to all servers EXCEPT the one you specify. You should usually use this function to send messages, specifying the SENDER of your message as 'target'. This will prevent message loops.Definition at line 784 of file modules.cpp.
.PP
.nf
785 {
786         NetSendToAllExcept(target.c_str(),(char*)text.c_str());
787 }
.fi
.SS "void Server::MeshSendCommon (\fBuserrec\fP * user, std::string text)\fC [virtual]\fP"
.PP
This method sends a line of text to all servers who have users which share common channels with the user you provide. For example, if user A is on server A, and they are on channels #one and #two, and user B is on server B, and also on channel #one, but user C is on server C and on neither #one or #two, this function will cause the text to only be sent to server B. However, if server B is only reachable via C, it will route it to C (you do not have to worry about this routing, it is done transparently, but its good to know how things work!)Definition at line 768 of file modules.cpp.
.PP
.nf
769 {
770         if (user)
771                 NetSendToCommon(user,(char*)text.c_str());
772 }
.fi
.SS "void Server::MeshSendUnicast (std::string destination, std::string text)\fC [virtual]\fP"
.PP
This function sends a line of text directly to a server. If the server is not directly routable at this time, the server attempts to route text through the mesh.Definition at line 779 of file modules.cpp.
.PP
.nf
780 {
781         NetSendToOne((char*)destination.c_str(),(char*)text.c_str());
782 }
.fi
.SS "\fBchanrec\fP * Server::PartUserFromChannel (\fBuserrec\fP * user, std::string cname, std::string reason)\fC [virtual]\fP"
.PP
Forces a user to part a channel. This is similar to svspart and can be used to implement redirection, etc. Although the return value of this function is a pointer to a channel record, the returned data is undefined and should not be read or written to. This behaviour may be changed in a future version.Definition at line 395 of file modules.cpp.
.PP
.nf
396 {
397         return del_channel(user,cname.c_str(),reason.c_str(),false);
398 }
.fi
.SS "bool Server::PseudoToUser (\fBuserrec\fP * alive, \fBuserrec\fP * zombie, std::string message)\fC [virtual]\fP"
.PP
This user takes one user, and switches their file descriptor with another user, so that one user 'becomes' the other. The user in 'alive' is booted off the server with the given message. The user referred to by 'zombie' should have previously been locked with Server::ZombifyUser, otherwise stale sockets and file descriptor leaks can occur. After this call, the pointer to alive will be invalid, and the pointer to zombie will be equivalent in effect to the old pointer to alive.Definition at line 649 of file modules.cpp.
.PP
References ucrec::channel, userrec::chans, userrec::ClearBuffer(), connection::fd, FD_MAGIC_NUMBER, fd_ref_table, connection::host, userrec::ident, chanrec::name, userrec::nick, chanrec::setby, chanrec::topic, and chanrec::topicset.
.PP
.nf
650 {
651         zombie->fd = alive->fd;
652         alive->fd = FD_MAGIC_NUMBER;
653         alive->ClearBuffer();
654         Write(zombie->fd,':%s!%s@%s NICK %s',alive->nick,alive->ident,alive->host,zombie->nick);
655         kill_link(alive,message.c_str());
656         fd_ref_table[zombie->fd] = zombie;
657         for (int i = 0; i != MAXCHANS; i++)
658         {
659                 if (zombie->chans[i].channel != NULL)
660                 {
661                         if (zombie->chans[i].channel->name)
662                         {
663                                 chanrec* Ptr = zombie->chans[i].channel;
664                                 WriteFrom(zombie->fd,zombie,'JOIN %s',Ptr->name);
665                                 if (Ptr->topicset)
666                                 {
667                                         WriteServ(zombie->fd,'332 %s %s :%s', zombie->nick, Ptr->name, Ptr->topic);
668                                         WriteServ(zombie->fd,'333 %s %s %s %d', zombie->nick, Ptr->name, Ptr->setby, Ptr->topicset);
669                                 }
670                                 userlist(zombie,Ptr);
671                                 WriteServ(zombie->fd,'366 %s %s :End of /NAMES list.', zombie->nick, Ptr->name);
672 
673                         }
674                 }
675         }
676 
677 }
.fi
.SS "void Server::QuitUser (\fBuserrec\fP * user, std::string reason)\fC [virtual]\fP"
.PP
Forces a user to quit with the specified reason. To the user, it will appear as if they typed /QUIT themselves, except for the fact that this function may bypass the quit prefix specified in the config file.
.PP
WARNING!
.PP
Once you call this function, userrec* user will immediately become INVALID. You MUST NOT write to, or read from this pointer after calling the QuitUser method UNDER ANY CIRCUMSTANCES! The best course of action after calling this method is to immediately bail from your handler.Definition at line 417 of file modules.cpp.
.PP
.nf
418 {
419         kill_link(user,reason.c_str());
420 }
.fi
.SS "void Server::Send (int Socket, std::string s)\fC [virtual]\fP"
.PP
Sends a line of text down a TCP/IP socket. This method writes a line of text to an established socket, cutting it to 510 characters plus a carriage return and linefeed if required.Definition at line 447 of file modules.cpp.
.PP
.nf
448 {
449         Write(Socket,'%s',s.c_str());
450 }
.fi
.SS "void Server::SendChannel (\fBuserrec\fP * User, \fBchanrec\fP * Channel, std::string s, bool IncludeSender)\fC [virtual]\fP"
.PP
Sends text from a user to a channel (mulicast). This method writes a line of text to a channel, with the given user's nick/ident /host combination prepended, as used in PRIVMSG etc commands (see RFC 1459). If the IncludeSender flag is set, then the text is also sent back to the user from which it originated, as seen in MODE (see RFC 1459).Definition at line 481 of file modules.cpp.
.PP
.nf
482 {
483         if (IncludeSender)
484         {
485                 WriteChannel(Channel,User,'%s',s.c_str());
486         }
487         else
488         {
489                 ChanExceptSender(Channel,User,'%s',s.c_str());
490         }
491 }
.fi
.SS "void Server::SendChannelServerNotice (std::string ServName, \fBchanrec\fP * Channel, std::string text)\fC [virtual]\fP"
.PP
Writes text to a channel, but from a server, including all. This can be used to send server notices to a group of users.Definition at line 476 of file modules.cpp.
.PP
.nf
477 {
478         WriteChannelWithServ((char*)ServName.c_str(), Channel, '%s', text.c_str());
479 }
.fi
.SS "void Server::SendCommon (\fBuserrec\fP * User, std::string text, bool IncludeSender)\fC [virtual]\fP"
.PP
Sends text from a user to one or more channels (mulicast). This method writes a line of text to all users which share a common channel with a given user, with the user's nick/ident/host combination prepended, as used in PRIVMSG etc commands (see RFC 1459). If the IncludeSender flag is set, then the text is also sent back to the user from which it originated, as seen in NICK (see RFC 1459). Otherwise, it is only sent to the other recipients, as seen in QUIT.Definition at line 498 of file modules.cpp.
.PP
.nf
499 {
500         if (IncludeSender)
501         {
502                 WriteCommon(User,'%s',text.c_str());
503         }
504         else
505         {
506                 WriteCommonExcept(User,'%s',text.c_str());
507         }
508 }
.fi
.SS "void Server::SendFrom (int Socket, \fBuserrec\fP * User, std::string s)\fC [virtual]\fP"
.PP
Sends text from a user to a socket. This method writes a line of text to an established socket, with the given user's nick/ident /host combination prepended, as used in PRIVSG etc commands (see RFC 1459)Definition at line 457 of file modules.cpp.
.PP
.nf
458 {
459         WriteFrom(Socket,User,'%s',s.c_str());
460 }
.fi
.SS "void Server::SendMode (char ** parameters, int pcnt, \fBuserrec\fP * user)\fC [virtual]\fP"
.PP
Sends a servermode. you must format the parameters array with the target, modes and parameters for those modes.
.PP
For example:
.PP
char *modes[3];
.PP
modes[0] = ChannelName;
.PP
modes[1] = '+o';
.PP
modes[2] = user->nick;
.PP
Srv->SendMode(modes,3,user);
.PP
The modes will originate from the server where the command was issued, however responses (e.g. numerics) will be sent to the user you provide as the third parameter. You must be sure to get the number of parameters correct in the pcnt parameter otherwise you could leave your server in an unstable state!Definition at line 442 of file modules.cpp.
.PP
References server_mode().
.PP
.nf
443 {
444         server_mode(parameters,pcnt,user);
445 }
.fi
.SS "void Server::SendOpers (std::string s)\fC [virtual]\fP"
.PP
Sends text to all opers. This method sends a server notice to all opers with the usermode +s.Definition at line 372 of file modules.cpp.
.PP
.nf
373 {
374         WriteOpers('%s',s.c_str());
375 }
.fi
.SS "void Server::SendServ (int Socket, std::string s)\fC [virtual]\fP"
.PP
Sends text from the server to a socket. This method writes a line of text to an established socket, with the servername prepended as used by numerics (see RFC 1459)Definition at line 452 of file modules.cpp.
.PP
.nf
453 {
454         WriteServ(Socket,'%s',s.c_str());
455 }
.fi
.SS "void Server::SendTo (\fBuserrec\fP * Source, \fBuserrec\fP * Dest, std::string s)\fC [virtual]\fP"
.PP
Sends text from a user to another user. This method writes a line of text to a user, with a user's nick/ident /host combination prepended, as used in PRIVMSG etc commands (see RFC 1459) If you specify NULL as the source, then the data will originate from the local server, e.g. instead of:
.PP
:user!ident TEXT
.PP
The format will become:
.PP
:localserver TEXT
.PP
Which is useful for numerics and server notices to single users, etc.Definition at line 462 of file modules.cpp.
.PP
References connection::fd.
.PP
.nf
463 {
464         if (!Source)
465         {
466                 // if source is NULL, then the message originates from the local server
467                 Write(Dest->fd,':%s %s',this->GetServerName().c_str(),s.c_str());
468         }
469         else
470         {
471                 // otherwise it comes from the user specified
472                 WriteTo(Source,Dest,'%s',s.c_str());
473         }
474 }
.fi
.SS "void Server::SendToModeMask (std::string modes, int flags, std::string text)\fC [virtual]\fP"
.PP
Sends to all users matching a mode mask You must specify one or more usermodes as the first parameter. These can be RFC specified modes such as +i, or module provided modes, including ones provided by your own module. In the second parameter you must place a flag value which indicates wether the modes you have given will be logically ANDed or OR'ed. You may use one of either WM_AND or WM_OR. for example, if you were to use:
.PP
Serv->SendToModeMask('xi', WM_OR, 'm00');
.PP
Then the text 'm00' will be sent to all users with EITHER mode x or i. Conversely if you used WM_AND, the user must have both modes set to receive the message.Definition at line 385 of file modules.cpp.
.PP
.nf
386 {
387         WriteMode(modes.c_str(),flags,'%s',text.c_str());
388 }
.fi
.SS "void Server::SendWallops (\fBuserrec\fP * User, std::string text)\fC [virtual]\fP"
.PP
Sends a WALLOPS message. This method writes a WALLOPS message to all users with the +w flag, originating from the specified user.Definition at line 510 of file modules.cpp.
.PP
.nf
511 {
512         WriteWallOps(User,false,'%s',text.c_str());
513 }
.fi
.SS "bool Server::UserToPseudo (\fBuserrec\fP * user, std::string message)\fC [virtual]\fP"
.PP
Remove a user's connection to the irc server, but leave their client in existence in the user hash. When you call this function, the user's file descriptor will be replaced with the value of FD_MAGIC_NUMBER and their old file descriptor will be closed. This idle client will remain until it is restored with a valid file descriptor, or is removed from IRC by an operator After this call, the pointer to user will be invalid.Definition at line 619 of file modules.cpp.
.PP
References userrec::ClearBuffer(), DEBUG, connection::fd, FD_MAGIC_NUMBER, connection::host, and userrec::ident.
.PP
.nf
620 {
621         unsigned int old_fd = user->fd;
622         user->fd = FD_MAGIC_NUMBER;
623         user->ClearBuffer();
624         Write(old_fd,'ERROR :Closing link (%s@%s) [%s]',user->ident,user->host,message.c_str());
625 #ifdef USE_KQUEUE
626         struct kevent ke;
627         EV_SET(&ke, old_fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
628         int i = kevent(kq, &ke, 1, 0, 0, NULL);
629         if (i == -1)
630         {
631                 log(DEBUG,'kqueue: Failed to remove user from queue!');
632         }
633 #endif
634 #ifdef USE_EPOLL
635         struct epoll_event ev;
636         ev.events = EPOLLIN | EPOLLET;
637         ev.data.fd = old_fd;
638         int i = epoll_ctl(ep, EPOLL_CTL_DEL, old_fd, &ev);
639         if (i < 0)
640         {
641                 log(DEBUG,'epoll: List deletion failure!');
642         }
643 #endif
644 
645         shutdown(old_fd,2);
646         close(old_fd);
647 }
.fi


.SH "Author"
.PP 
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