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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Craig Edwards <craigedwards@brainbox.cc>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "inspircd.h"
#include "cachetimer.h"
/* Foward declarations */
class TreeServer;
class TreeSocket;
class Link;
class Autoconnect;
class ModuleSpanningTree;
class SpanningTreeUtilities;
extern SpanningTreeUtilities* Utils;
/* This hash_map holds the hash equivalent of the server
* tree, used for rapid linear lookups.
*/
typedef TR1NS::unordered_map<std::string, TreeServer*, irc::insensitive, irc::StrHashComp> server_hash;
/** Contains helper functions and variables for this module,
* and keeps them out of the global namespace
*/
class SpanningTreeUtilities : public classbase
{
/** Creates a line in the :<prefix> <command> [<params>] format
*/
std::string ConstructLine(const std::string& prefix, const std::string& command, const parameterlist& params);
CacheRefreshTimer RefreshTimer;
public:
typedef std::set<TreeSocket*> TreeSocketSet;
/** 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;
/* 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 currently known server ids
*/
server_hash sidlist;
/** 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;
/** 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
*/
CullResult cull();
/** Destroy class and free listeners etc
*/
~SpanningTreeUtilities();
void RouteCommand(TreeServer* origin, CommandBase* cmd, const parameterlist& parameters, User* user);
/** Send a message from this server to one other local or remote
*/
bool DoOneToOne(const std::string& prefix, const std::string& command, const parameterlist& params, const std::string& target);
/** Send a message from this server to all but one other, local or remote
*/
void DoOneToAllButSender(const std::string& prefix, const std::string& command, const parameterlist& params, TreeServer* omit);
/** Send a message from this server to all others
*/
void DoOneToMany(const std::string &prefix, const std::string &command, const parameterlist ¶ms);
/** Read the spanningtree module's tags from the config file
*/
void ReadConfiguration();
/** Handle nick collision
*/
int DoCollision(User* u, TreeServer* server, time_t remotets, const std::string& remoteident, const std::string& remoteip, const std::string& remoteuid);
/** Compile a list of servers which contain members of channel c
*/
void GetListOfServersForChannel(Channel* c, TreeSocketSet& 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);
/** 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();
/** Sends a PRIVMSG or a NOTICE to a channel obeying an exempt list and an optional prefix
*/
void SendChannelMessage(const std::string& prefix, Channel* target, const std::string& text, char status, const CUList& exempt_list, const char* message_type, TreeSocket* omit = NULL);
};
inline void SpanningTreeUtilities::DoOneToMany(const std::string& prefix, const std::string& command, const parameterlist& params)
{
DoOneToAllButSender(prefix, command, params, NULL);
}
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