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/* +------------------------------------+
* | 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 __ST__UTIL__
#define __ST__UTIL__
#include "inspircd.h"
/* Foward declarations */
class TreeServer;
class TreeSocket;
class Link;
class Autoconnect;
class ModuleSpanningTree;
class SpanningTreeUtilities;
/* This hash_map holds the hash equivalent of the server
* tree, used for rapid linear lookups.
*/
#if defined(WINDOWS) && !defined(HASHMAP_DEPRECATED)
typedef nspace::hash_map<std::string, TreeServer*, nspace::hash_compare<std::string, std::less<std::string> > > server_hash;
#else
#ifdef HASHCOMP_DEPRECATED
typedef nspace::hash_map<std::string, TreeServer*, nspace::insensitive, irc::StrHashComp> server_hash;
#else
typedef nspace::hash_map<std::string, TreeServer*, nspace::hash<std::string>, irc::StrHashComp> server_hash;
#endif
#endif
/*
* Initialises server connections
*/
class ServerSocketListener : public ListenSocketBase
{
SpanningTreeUtilities *Utils;
public:
ServerSocketListener(SpanningTreeUtilities *u, int port, char* addr) : ListenSocketBase(port, addr)
{
this->Utils = u;
Hook = NULL;
}
Module* Hook;
virtual void OnAcceptReady(int nfd);
};
typedef std::map<TreeServer*,TreeServer*> TreeServerList;
/** A group of modules that implement BufferedSocketHook
* that we can use to hook our server to server connections.
*/
typedef std::map<irc::string, Module*> hookmodules;
/** Contains helper functions and variables for this module,
* and keeps them out of the global namespace
*/
class SpanningTreeUtilities : public classbase
{
public:
/** Creator module
*/
ModuleSpanningTree* Creator;
/** Flatten links and /MAP for non-opers
*/
bool FlatLinks;
/** Hide U-Lined servers in /MAP and /LINKS
*/
bool HideULines;
/** Announce TS changes to channels on merge
*/
bool AnnounceTSChange;
/** Allow modules marked as VF_OPTCOMMON to be mismatched when linking
*/
bool AllowOptCommon;
/** Make snomasks +CQ quiet during bursts and splits
*/
bool quiet_bursts;
/** Socket bindings for listening sockets
*/
std::vector<ServerSocketListener *> Bindings;
/* Number of seconds that a server can go without ping
* before opers are warned of high latency.
*/
int PingWarnTime;
/** This variable represents the root of the server tree
*/
TreeServer *TreeRoot;
/** Represents the server whose command we are processing
*/
FakeUser *ServerUser;
/** IPs allowed to link to us
*/
std::vector<std::string> ValidIPs;
/** Hash of currently connected servers by name
*/
server_hash serverlist;
/** Hash of currently known server ids
*/
server_hash sidlist;
/** Hash of servers currently bursting but not initialized as connected
*/
std::map<irc::string,TreeSocket*> burstingserverlist;
/** List of all outgoing sockets and their timeouts
*/
std::map<TreeSocket*, std::pair<std::string, int> > timeoutlist;
/** Holds the data from the <link> tags in the conf
*/
std::vector<reference<Link> > LinkBlocks;
/** Holds the data from the <autoconnect> tags in the conf
*/
std::vector<reference<Autoconnect> > AutoconnectBlocks;
/** List of module pointers which can provide I/O abstraction
*/
hookmodules hooks;
/** List of module names which can provide I/O abstraction
*/
std::vector<std::string> hooknames;
/** True (default) if we are to use challenge-response HMAC
* to authenticate passwords.
*
* NOTE: This defaults to on, but should be turned off if
* you are linking to an older version of inspircd.
*/
bool ChallengeResponse;
/** Ping frequency of server to server links
*/
int PingFreq;
/** Initialise utility class
*/
SpanningTreeUtilities(ModuleSpanningTree* Creator);
/** Prepare for class destruction
*/
bool cull();
/** Destroy class and free listeners etc
*/
~SpanningTreeUtilities();
void RouteCommand(TreeServer*, const std::string&, const parameterlist&, User*);
/** Send a message from this server to one other local or remote
*/
bool DoOneToOne(const std::string &prefix, const std::string &command, parameterlist ¶ms, std::string target);
/** Send a message from this server to all but one other, local or remote
*/
bool DoOneToAllButSender(const std::string &prefix, const std::string &command, parameterlist ¶ms, std::string omit);
/** Send a message from this server to all but one other, local or remote
*/
bool DoOneToAllButSender(const char* prefix, const char* command, parameterlist ¶ms, std::string omit);
/** Send a message from this server to all others
*/
bool DoOneToMany(const std::string &prefix, const std::string &command, parameterlist ¶ms);
/** Send a message from this server to all others
*/
bool DoOneToMany(const char* prefix, const char* command, parameterlist ¶ms);
/** Send a message from this server to all others, without doing any processing on the command (e.g. send it as-is with colons and all)
*/
bool DoOneToAllButSenderRaw(const std::string &data, const std::string &omit, const std::string &prefix, const irc::string &command, parameterlist ¶ms);
/** Read the spanningtree module's tags from the config file
*/
void ReadConfiguration(bool rebind);
/** Add a server to the server list for GetListOfServersForChannel
*/
void AddThisServer(TreeServer* server, TreeServerList &list);
/** Compile a list of servers which contain members of channel c
*/
void GetListOfServersForChannel(Channel* c, TreeServerList &list, char status, const CUList &exempt_list);
/** Find a server by name
*/
TreeServer* FindServer(const std::string &ServerName);
/** Find server by SID
*/
TreeServer* FindServerID(const std::string &id);
/** Find a route to a server by name
*/
TreeServer* BestRouteTo(const std::string &ServerName);
/** Find a server by glob mask
*/
TreeServer* FindServerMask(const std::string &ServerName);
/** Returns true if this is a server name we recognise
*/
bool IsServer(const std::string &ServerName);
/** Find a link tag from a server name
*/
Link* FindLink(const std::string& name);
/** Refresh the IP cache used for allowing inbound connections
*/
void RefreshIPCache();
};
#endif
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