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/* +------------------------------------+
* | 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 __ST__UTIL__
#define __ST__UTIL__
#include "configreader.h"
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "inspircd.h"
/* Foward declarations */
class TreeServer;
class TreeSocket;
class Link;
class ModuleSpanningTree;
/* This hash_map holds the hash equivalent of the server
* tree, used for rapid linear lookups.
*/
#ifdef WINDOWS
typedef nspace::hash_map<std::string, TreeServer*, nspace::hash_compare<string, less<string> > > server_hash;
#else
typedef nspace::hash_map<std::string, TreeServer*, nspace::hash<string>, irc::StrHashComp> server_hash;
#endif
typedef std::map<TreeServer*,TreeServer*> TreeServerList;
/** A group of modules that implement InspSocketHook
* 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
{
private:
/** Creator server
*/
InspIRCd* ServerInstance;
public:
/** Creator module
*/
ModuleSpanningTree* Creator;
/** Remote servers that are currently bursting
*/
server_hash RemoteServersBursting;
/** 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;
/** Synchronize timestamps between servers
*/
bool EnableTimeSync;
/** Make snomasks +CQ quiet during bursts and splits
*/
bool quiet_bursts;
/** Socket bindings for listening sockets
*/
std::vector<TreeSocket*> 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;
/** IPs allowed to link to us
*/
std::vector<std::string> ValidIPs;
/** Hash of currently connected servers by name
*/
server_hash serverlist;
/** Hash of servers currently bursting but not initialized as connected
*/
std::map<irc::string,TreeSocket*> burstingserverlist;
/** Holds the data from the <link> tags in the conf
*/
std::vector<Link> LinkBlocks;
/** Holds a bitmask of queued xline types waiting to be applied.
* Will be a mask containing values APPLY_GLINES, APPLY_KLINES,
* APPLY_QLINES and APPLY_ZLINES.
*/
int lines_to_apply;
/** If this is true, this server is the master sync server for time
* synching - e.g. it is the server with its clock correct. It will
* send out the correct time at intervals.
*/
bool MasterTime;
/** 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;
/** Initialise utility class
*/
SpanningTreeUtilities(InspIRCd* Instance, ModuleSpanningTree* Creator);
/** Destroy class and free listeners etc
*/
~SpanningTreeUtilities();
/** Send a message from this server to one other local or remote
*/
bool DoOneToOne(const std::string &prefix, const std::string &command, std::deque<std::string> ¶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, std::deque<std::string> ¶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, std::deque<std::string> ¶ms, std::string omit);
/** Send a message from this server to all others
*/
bool DoOneToMany(const std::string &prefix, const std::string &command, std::deque<std::string> ¶ms);
/** Send a message from this server to all others
*/
bool DoOneToMany(const char* prefix, const char* command, std::deque<std::string> ¶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, std::deque<std::string> ¶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(chanrec* c, TreeServerList &list, char status, const CUList &exempt_list);
/** Find a server by name
*/
TreeServer* FindServer(const std::string &ServerName);
/** Find a remote bursting server by name
*/
TreeServer* FindRemoteBurstServer(TreeServer* Server);
/** Set a remote server to bursting or not bursting
*/
void SetRemoteBursting(TreeServer* Server, bool bursting);
/** 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);
/** Attempt to connect to the failover link of link x
*/
void DoFailOver(Link* x);
/** 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();
TreeSocket* FindBurstingServer(const std::string &ServerName);
void AddBurstingServer(const std::string &ServerName, TreeSocket* s);
void DelBurstingServer(TreeSocket* s);
};
#endif
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