/*
* InspIRCd -- Internet Relay Chat Daemon
*
+ * Copyright (C) 2017 B00mX0r <b00mx0r@aureus.pw>
+ * Copyright (C) 2013, 2017, 2019 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012-2015 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007, 2010 Craig Edwards <brain@inspircd.org>
* 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
#pragma once
#include "treesocket.h"
+#include "pingtimer.h"
/** Each server in the tree is represented by one class of
* type TreeServer. A locally connected TreeServer can
TreeServer* Route; /* Route entry */
std::vector<TreeServer*> Children; /* List of child objects */
std::string VersionString; /* Version string or empty string */
+
+ /** Full version string including patch version and other info
+ */
+ std::string fullversion;
+ std::string rawversion;
+
TreeSocket* Socket; /* Socket used to communicate with this server */
- time_t NextPing; /* After this time, the server should be PINGed*/
- bool LastPingWasGood; /* True if the server responded to the last PING with a PONG */
- std::string sid; /* Server ID */
+
+ /** Counter counting how many servers are bursting in front of this server, including
+ * this server. Set to parents' value on construction then it is increased if the
+ * server itself starts bursting. Decreased when a server on the path to this server
+ * finishes burst.
+ */
+ unsigned int behind_bursting;
+
+ /** True if this server has been lost in a split and is awaiting destruction
+ */
+ bool isdead;
+
+ /** Timer handling PINGing the server and killing it on timeout
+ */
+ PingTimer pingtimer;
/** This method is used to add this TreeServer to the
* hash maps. It is only called by the constructors.
*/
void AddHashEntry();
+ /** Used by SQuit logic to recursively remove servers
+ */
+ void SQuitInternal(unsigned int& num_lost_servers, bool error);
+
+ /** Remove the reference to this server from the hash maps
+ */
+ void RemoveHash();
+
public:
typedef std::vector<TreeServer*> ChildServers;
FakeUser* const ServerUser; /* User representing this server */
const time_t age;
- bool Warned; /* True if we've warned opers about high latency on this server */
- bool bursting; /* whether or not this server is bursting */
-
unsigned int UserCount; /* How many users are on this server? [note: doesn't care about +i] */
unsigned int OperCount; /* How many opers are on this server? */
*/
TreeServer(const std::string& Name, const std::string& Desc, const std::string& id, TreeServer* Above, TreeSocket* Sock, bool Hide);
- int QuitUsers(const std::string &reason);
+ /** SQuit a server connected to this server, removing the given server and all servers behind it
+ * @param server Server to squit, must be directly below this server
+ * @param reason Reason for quitting the server, sent to opers and other servers
+ * @param error Whether the server is being squit because of an error.
+ */
+ void SQuitChild(TreeServer* server, const std::string& reason, bool error = false);
+
+ /** SQuit this server, removing this server and all servers behind it
+ * @param reason Reason for quitting the server, sent to opers and other servers
+ * @param error Whether the server is being squit because of an error.
+ */
+ void SQuit(const std::string& reason, bool error = false)
+ {
+ GetParent()->SQuitChild(this, reason, error);
+ }
+
+ static unsigned int QuitUsers(const std::string& reason);
/** Get route.
* The 'route' is defined as the locally-
* connected server which can be used to reach this server.
*/
- TreeServer* GetRoute();
+ TreeServer* GetRoute() const { return Route; }
/** Returns true if this server is the tree root (i.e.: us)
*/
*/
bool IsLocal() const { return (this->Route == this); }
- /** Get server version string
+ /** Returns true if the server is awaiting destruction
+ * @return True if the server is waiting to be culled and deleted, false otherwise
*/
- const std::string& GetVersion();
+ bool IsDead() const { return isdead; }
- /** Set time we are next due to ping this server
+ /** Get server version string
*/
- void SetNextPingTime(time_t t);
+ const std::string& GetVersion() const { return VersionString; }
- /** Get the time we are next due to ping this server
+ /** Get the full version string of this server
+ * @return The full version string of this server, including patch version and other info
*/
- time_t NextPingTime();
+ const std::string& GetFullVersion() const { return fullversion; }
- /** Last ping time in milliseconds, used to calculate round trip time
+ /** Get the raw version string of this server
*/
- unsigned long LastPingMsec;
+ const std::string& GetRawVersion() const { return rawversion; }
/** Round trip time of last ping
*/
unsigned long rtt;
- /** When we recieved BURST from this server, used to calculate total burst time at ENDBURST.
+ /** When we received BURST from this server, used to calculate total burst time at ENDBURST.
*/
- unsigned long StartBurst;
+ uint64_t StartBurst;
/** True if this server is hidden
*/
bool Hidden;
- /** True if the server answered their last ping
- */
- bool AnsweredLastPing();
-
- /** Set the server as responding to its last ping
- */
- void SetPingFlag();
-
/** Get the TreeSocket pointer for local servers.
* For remote servers, this returns NULL.
*/
- TreeSocket* GetSocket();
+ TreeSocket* GetSocket() const { return Socket; }
/** Get the parent server.
* For the root node, this returns NULL.
*/
- TreeServer* GetParent();
+ TreeServer* GetParent() const { return Parent; }
/** Set the server version string
*/
- void SetVersion(const std::string &Version);
-
- /** Return all child servers
- */
- const ChildServers& GetChildren() const { return Children; }
+ void SetVersion(const std::string& verstr) { VersionString = verstr; }
- /** Add a child server
+ /** Set the full version string
+ * @param verstr The version string to set
*/
- void AddChild(TreeServer* Child);
+ void SetFullVersion(const std::string& verstr) { fullversion = verstr; }
- /** Delete a child server, return false if it didn't exist.
+ /** Set the raw version string
*/
- bool DelChild(TreeServer* Child);
+ void SetRawVersion(const std::string& verstr) { rawversion = verstr; }
- /** Removes child nodes of this node, and of that node, etc etc.
- * This is used during netsplits to automatically tidy up the
- * server tree. It is slow, we don't use it for much else.
+ /** Sets the description of this server. Called when the description of a remote server changes
+ * and we are notified about it.
+ * @param descstr The description to set
*/
- void Tidy();
+ void SetDesc(const std::string& descstr) { description = descstr; }
- /** Get server ID
+ /** Return all child servers
*/
- const std::string& GetID();
+ const ChildServers& GetChildren() const { return Children; }
/** Marks a server as having finished bursting and performs appropriate actions.
*/
*/
void CheckULine();
- CullResult cull();
+ /** Get the bursting state of this server
+ * @return True if this server is bursting, false if it isn't
+ */
+ bool IsBursting() const { return (StartBurst != 0); }
+
+ /** Check whether this server is behind a bursting server or is itself bursting.
+ * This can tell whether a user is on a part of the network that is still bursting.
+ * @return True if this server is bursting or is behind a server that is bursting, false if it isn't
+ */
+ bool IsBehindBursting() const { return (behind_bursting != 0); }
+
+ /** Set the bursting state of the server
+ * @param startms Time the server started bursting, if 0 or omitted, use current time
+ */
+ void BeginBurst(uint64_t startms = 0);
+
+ /** Register a PONG from the server
+ */
+ void OnPong() { pingtimer.OnPong(); }
+
+ CullResult cull() CXX11_OVERRIDE;
- /** Destructor
- * Removes the reference to this object from the
- * hash maps.
+ /** Destructor, deletes ServerUser unless IsRoot()
*/
~TreeServer();