-#include "configreader.h"
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "commands/cmd_whois.h"
-#include "commands/cmd_stats.h"
-#include "socket.h"
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *
+ * 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/>.
+ */
+
+
#include "inspircd.h"
-#include "wildcard.h"
#include "xline.h"
-#include "transport.h"
-
-#include "m_spanningtree/utils.h"
-#include "m_spanningtree/treeserver.h"
-
- TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance) : ServerInstance(Instance), Utils(Util)
- {
- Parent = NULL;
- ServerName = "";
- ServerDesc = "";
- VersionString = "";
- UserCount = OperCount = 0;
- VersionString = ServerInstance->GetVersionString();
- }
-
- /** We use this constructor only to create the 'root' item, Utils->TreeRoot, which
- * represents our own server. Therefore, it has no route, no parent, and
- * no socket associated with it. Its version string is our own local version.
- */
- TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc) : ServerInstance(Instance), ServerName(Name.c_str()), ServerDesc(Desc), Utils(Util)
- {
- Parent = NULL;
- VersionString = "";
- UserCount = ServerInstance->UserCount();
- OperCount = ServerInstance->OperCount();
- VersionString = ServerInstance->GetVersionString();
- Route = NULL;
- Socket = NULL; /* Fix by brain */
- AddHashEntry();
- }
-
- /** When we create a new server, we call this constructor to initialize it.
- * This constructor initializes the server's Route and Parent, and sets up
- * its ping counters so that it will be pinged one minute from now.
- */
- TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, std::string Name, std::string Desc, TreeServer* Above, TreeSocket* Sock)
- : ServerInstance(Instance), Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock), Utils(Util)
- {
- VersionString = "";
- UserCount = OperCount = 0;
- this->SetNextPingTime(time(NULL) + 60);
- this->SetPingFlag();
-
- /* find the 'route' for this server (e.g. the one directly connected
- * to the local server, which we can use to reach it)
- *
- * In the following example, consider we have just added a TreeServer
- * class for server G on our network, of which we are server A.
- * To route traffic to G (marked with a *) we must send the data to
- * B (marked with a +) so this algorithm initializes the 'Route'
- * value to point at whichever server traffic must be routed through
- * to get here. If we were to try this algorithm with server B,
- * the Route pointer would point at its own object ('this').
- *
- * A
- * / \
- * + B C
- * / \ \
- * D E F
- * / \
- * * G H
- *
- * We only run this algorithm when a server is created, as
- * the routes remain constant while ever the server exists, and
- * do not need to be re-calculated.
- */
-
- Route = Above;
- if (Route == Utils->TreeRoot)
- {
- Route = this;
- }
- else
- {
- while (this->Route->GetParent() != Utils->TreeRoot)
- {
- this->Route = Route->GetParent();
- }
- }
-
- /* Because recursive code is slow and takes a lot of resources,
- * we store two representations of the server tree. The first
- * is a recursive structure where each server references its
- * children and its parent, which is used for netbursts and
- * netsplits to dump the whole dataset to the other server,
- * and the second is used for very fast lookups when routing
- * messages and is instead a hash_map, where each item can
- * be referenced by its server name. The AddHashEntry()
- * call below automatically inserts each TreeServer class
- * into the hash_map as it is created. There is a similar
- * maintainance call in the destructor to tidy up deleted
- * servers.
- */
-
- this->AddHashEntry();
- }
-
- int TreeServer::QuitUsers(const std::string &reason)
- {
- const char* reason_s = reason.c_str();
- std::vector<userrec*> time_to_die;
- for (user_hash::iterator n = ServerInstance->clientlist->begin(); n != ServerInstance->clientlist->end(); n++)
- {
- if (!strcmp(n->second->server, this->ServerName.c_str()))
- {
- time_to_die.push_back(n->second);
- }
- }
- for (std::vector<userrec*>::iterator n = time_to_die.begin(); n != time_to_die.end(); n++)
- {
- userrec* a = (userrec*)*n;
- if (!IS_LOCAL(a))
- userrec::QuitUser(ServerInstance,a,reason_s);
- }
- return time_to_die.size();
- }
-
- /** This method is used to add the structure to the
- * hash_map for linear searches. It is only called
- * by the constructors.
- */
- void TreeServer::AddHashEntry()
- {
- server_hash::iterator iter = Utils->serverlist.find(this->ServerName.c_str());
- if (iter == Utils->serverlist.end())
- Utils->serverlist[this->ServerName.c_str()] = this;
- }
-
- /** This method removes the reference to this object
- * from the hash_map which is used for linear searches.
- * It is only called by the default destructor.
- */
- void TreeServer::DelHashEntry()
- {
- server_hash::iterator iter = Utils->serverlist.find(this->ServerName.c_str());
- if (iter != Utils->serverlist.end())
- Utils->serverlist.erase(iter);
- }
-
- /** These accessors etc should be pretty self-
- * explanitory.
- */
- TreeServer* TreeServer::GetRoute()
- {
- return Route;
- }
-
- std::string TreeServer::GetName()
- {
- return ServerName.c_str();
- }
-
- std::string TreeServer::GetDesc()
- {
- return ServerDesc;
- }
-
- std::string TreeServer::GetVersion()
- {
- return VersionString;
- }
-
- void TreeServer::SetNextPingTime(time_t t)
- {
- this->NextPing = t;
- LastPingWasGood = false;
- }
-
- time_t TreeServer::NextPingTime()
- {
- return NextPing;
- }
-
- bool TreeServer::AnsweredLastPing()
- {
- return LastPingWasGood;
- }
-
- void TreeServer::SetPingFlag()
- {
- LastPingWasGood = true;
- }
-
- int TreeServer::GetUserCount()
- {
- return UserCount;
- }
-
- void TreeServer::AddUserCount()
- {
- UserCount++;
- }
-
- void TreeServer::DelUserCount()
- {
- UserCount--;
- }
-
- int TreeServer::GetOperCount()
- {
- return OperCount;
- }
-
- TreeSocket* TreeServer::GetSocket()
- {
- return Socket;
- }
-
- TreeServer* TreeServer::GetParent()
- {
- return Parent;
- }
-
- void TreeServer::SetVersion(const std::string &Version)
- {
- VersionString = Version;
- }
-
- unsigned int TreeServer::ChildCount()
- {
- return Children.size();
- }
-
- TreeServer* TreeServer::GetChild(unsigned int n)
- {
- if (n < Children.size())
- {
- /* Make sure they cant request
- * an out-of-range object. After
- * all we know what these programmer
- * types are like *grin*.
- */
- return Children[n];
- }
- else
- {
- return NULL;
- }
- }
-
- void TreeServer::AddChild(TreeServer* Child)
- {
- Children.push_back(Child);
- }
-
- bool TreeServer::DelChild(TreeServer* Child)
- {
- for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
- {
- if (*a == Child)
- {
- Children.erase(a);
- return true;
- }
- }
- return false;
- }
-
- /** 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.
- */
- bool TreeServer::Tidy()
- {
- bool stillchildren = true;
- while (stillchildren)
- {
- stillchildren = false;
- for (std::vector<TreeServer*>::iterator a = Children.begin(); a < Children.end(); a++)
- {
- TreeServer* s = (TreeServer*)*a;
- s->Tidy();
- Children.erase(a);
- DELETE(s);
- stillchildren = true;
- break;
- }
- }
- return true;
- }
-
- TreeServer::~TreeServer()
- {
- /* We'd better tidy up after ourselves, eh? */
- this->DelHashEntry();
- }
-
+#include "main.h"
+#include "modules/spanningtree.h"
+
+#include "utils.h"
+#include "treeserver.h"
+
+/* $ModDep: m_spanningtree/utils.h m_spanningtree/treeserver.h */
+
+/** We use this constructor only to create the 'root' item, Utils->TreeRoot, which
+ * represents our own server. Therefore, it has no route, no parent, and
+ * no socket associated with it. Its version string is our own local version.
+ */
+TreeServer::TreeServer(SpanningTreeUtilities* Util, std::string Name, std::string Desc, const std::string &id)
+ : ServerName(Name.c_str()), ServerDesc(Desc), Utils(Util), ServerUser(ServerInstance->FakeClient)
+{
+ age = ServerInstance->Time();
+ bursting = false;
+ Parent = NULL;
+ VersionString.clear();
+ UserCount = OperCount = 0;
+ VersionString = ServerInstance->GetVersionString();
+ Route = NULL;
+ Socket = NULL; /* Fix by brain */
+ StartBurst = rtt = 0;
+ Warned = Hidden = false;
+ AddHashEntry();
+ SetID(id);
+}
+
+/** When we create a new server, we call this constructor to initialize it.
+ * This constructor initializes the server's Route and Parent, and sets up
+ * its ping counters so that it will be pinged one minute from now.
+ */
+TreeServer::TreeServer(SpanningTreeUtilities* Util, std::string Name, std::string Desc, const std::string &id, TreeServer* Above, TreeSocket* Sock, bool Hide)
+ : Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock), Utils(Util), ServerUser(new FakeUser(id, Name)), Hidden(Hide)
+{
+ age = ServerInstance->Time();
+ bursting = true;
+ VersionString.clear();
+ UserCount = OperCount = 0;
+ SetNextPingTime(ServerInstance->Time() + Utils->PingFreq);
+ SetPingFlag();
+ Warned = false;
+ rtt = 0;
+
+ long ts = ServerInstance->Time() * 1000 + (ServerInstance->Time_ns() / 1000000);
+ this->StartBurst = ts;
+ ServerInstance->Logs->Log("m_spanningtree",LOG_DEBUG, "Started bursting at time %lu", ts);
+
+ /* find the 'route' for this server (e.g. the one directly connected
+ * to the local server, which we can use to reach it)
+ *
+ * In the following example, consider we have just added a TreeServer
+ * class for server G on our network, of which we are server A.
+ * To route traffic to G (marked with a *) we must send the data to
+ * B (marked with a +) so this algorithm initializes the 'Route'
+ * value to point at whichever server traffic must be routed through
+ * to get here. If we were to try this algorithm with server B,
+ * the Route pointer would point at its own object ('this').
+ *
+ * A
+ * / \
+ * + B C
+ * / \ \
+ * D E F
+ * / \
+ * * G H
+ *
+ * We only run this algorithm when a server is created, as
+ * the routes remain constant while ever the server exists, and
+ * do not need to be re-calculated.
+ */
+
+ Route = Above;
+ if (Route == Utils->TreeRoot)
+ {
+ Route = this;
+ }
+ else
+ {
+ while (this->Route->GetParent() != Utils->TreeRoot)
+ {
+ this->Route = Route->GetParent();
+ }
+ }
+
+ /* Because recursive code is slow and takes a lot of resources,
+ * we store two representations of the server tree. The first
+ * is a recursive structure where each server references its
+ * children and its parent, which is used for netbursts and
+ * netsplits to dump the whole dataset to the other server,
+ * and the second is used for very fast lookups when routing
+ * messages and is instead a hash_map, where each item can
+ * be referenced by its server name. The AddHashEntry()
+ * call below automatically inserts each TreeServer class
+ * into the hash_map as it is created. There is a similar
+ * maintainance call in the destructor to tidy up deleted
+ * servers.
+ */
+
+ this->AddHashEntry();
+
+ SetID(id);
+}
+
+const std::string& TreeServer::GetID()
+{
+ return sid;
+}
+
+void TreeServer::FinishBurstInternal()
+{
+ this->bursting = false;
+ SetNextPingTime(ServerInstance->Time() + Utils->PingFreq);
+ SetPingFlag();
+ for(unsigned int q=0; q < ChildCount(); q++)
+ {
+ TreeServer* child = GetChild(q);
+ child->FinishBurstInternal();
+ }
+}
+
+void TreeServer::FinishBurst()
+{
+ FinishBurstInternal();
+ ServerInstance->XLines->ApplyLines();
+ long ts = ServerInstance->Time() * 1000 + (ServerInstance->Time_ns() / 1000000);
+ unsigned long bursttime = ts - this->StartBurst;
+ ServerInstance->SNO->WriteToSnoMask(Parent == Utils->TreeRoot ? 'l' : 'L', "Received end of netburst from \2%s\2 (burst time: %lu %s)",
+ ServerName.c_str(), (bursttime > 10000 ? bursttime / 1000 : bursttime), (bursttime > 10000 ? "secs" : "msecs"));
+ AddServerEvent(Utils->Creator, ServerName.c_str());
+}
+
+void TreeServer::SetID(const std::string &id)
+{
+ ServerInstance->Logs->Log("m_spanningtree",LOG_DEBUG, "Setting SID to " + id);
+ sid = id;
+ Utils->sidlist[sid] = this;
+}
+
+int TreeServer::QuitUsers(const std::string &reason)
+{
+ const char* reason_s = reason.c_str();
+ std::vector<User*> time_to_die;
+ for (user_hash::iterator n = ServerInstance->Users->clientlist->begin(); n != ServerInstance->Users->clientlist->end(); n++)
+ {
+ if (n->second->server == ServerName)
+ {
+ time_to_die.push_back(n->second);
+ }
+ }
+ for (std::vector<User*>::iterator n = time_to_die.begin(); n != time_to_die.end(); n++)
+ {
+ User* a = (User*)*n;
+ if (!IS_LOCAL(a))
+ {
+ if (this->Utils->quiet_bursts)
+ a->quietquit = true;
+
+ if (ServerInstance->Config->HideSplits)
+ ServerInstance->Users->QuitUser(a, "*.net *.split", reason_s);
+ else
+ ServerInstance->Users->QuitUser(a, reason_s);
+ }
+ }
+ return time_to_die.size();
+}
+
+/** This method is used to add the structure to the
+ * hash_map for linear searches. It is only called
+ * by the constructors.
+ */
+void TreeServer::AddHashEntry()
+{
+ server_hash::iterator iter = Utils->serverlist.find(this->ServerName.c_str());
+ if (iter == Utils->serverlist.end())
+ Utils->serverlist[this->ServerName.c_str()] = this;
+}
+
+/** This method removes the reference to this object
+ * from the hash_map which is used for linear searches.
+ * It is only called by the default destructor.
+ */
+void TreeServer::DelHashEntry()
+{
+ server_hash::iterator iter = Utils->serverlist.find(this->ServerName.c_str());
+ if (iter != Utils->serverlist.end())
+ Utils->serverlist.erase(iter);
+}
+
+/** These accessors etc should be pretty self-
+ * explanitory.
+ */
+TreeServer* TreeServer::GetRoute()
+{
+ return Route;
+}
+
+std::string TreeServer::GetName()
+{
+ return ServerName.c_str();
+}
+
+const std::string& TreeServer::GetDesc()
+{
+ return ServerDesc;
+}
+
+const std::string& TreeServer::GetVersion()
+{
+ return VersionString;
+}
+
+void TreeServer::SetNextPingTime(time_t t)
+{
+ this->NextPing = t;
+ LastPingWasGood = false;
+}
+
+time_t TreeServer::NextPingTime()
+{
+ return NextPing;
+}
+
+bool TreeServer::AnsweredLastPing()
+{
+ return LastPingWasGood;
+}
+
+void TreeServer::SetPingFlag()
+{
+ LastPingWasGood = true;
+}
+
+TreeSocket* TreeServer::GetSocket()
+{
+ return Socket;
+}
+
+TreeServer* TreeServer::GetParent()
+{
+ return Parent;
+}
+
+void TreeServer::SetVersion(const std::string &Version)
+{
+ VersionString = Version;
+}
+
+unsigned int TreeServer::ChildCount()
+{
+ return Children.size();
+}
+
+TreeServer* TreeServer::GetChild(unsigned int n)
+{
+ if (n < Children.size())
+ {
+ /* Make sure they cant request
+ * an out-of-range object. After
+ * all we know what these programmer
+ * types are like *grin*.
+ */
+ return Children[n];
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+void TreeServer::AddChild(TreeServer* Child)
+{
+ Children.push_back(Child);
+}
+
+bool TreeServer::DelChild(TreeServer* Child)
+{
+ std::vector<TreeServer*>::iterator it = std::find(Children.begin(), Children.end(), Child);
+ if (it != Children.end())
+ {
+ Children.erase(it);
+ return true;
+ }
+ return false;
+}
+
+/** 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.
+ */
+bool TreeServer::Tidy()
+{
+ while (1)
+ {
+ std::vector<TreeServer*>::iterator a = Children.begin();
+ if (a == Children.end())
+ return true;
+ TreeServer* s = *a;
+ s->Tidy();
+ s->cull();
+ Children.erase(a);
+ delete s;
+ }
+}
+
+CullResult TreeServer::cull()
+{
+ if (ServerUser != ServerInstance->FakeClient)
+ ServerUser->cull();
+ return classbase::cull();
+}
+
+TreeServer::~TreeServer()
+{
+ /* We'd better tidy up after ourselves, eh? */
+ this->DelHashEntry();
+ if (ServerUser != ServerInstance->FakeClient)
+ delete ServerUser;
+
+ server_hash::iterator iter = Utils->sidlist.find(GetID());
+ if (iter != Utils->sidlist.end())
+ Utils->sidlist.erase(iter);
+}
projects / user / henk / code / inspircd.git / blobdiff