-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * 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 program is free but copyrighted software; see
- * the file COPYING for details.
+ * 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 "commands/cmd_whois.h"
-#include "commands/cmd_stats.h"
-#include "socket.h"
-#include "wildcard.h"
#include "xline.h"
-#include "transport.h"
-
-#include "m_spanningtree/utils.h"
-#include "m_spanningtree/treeserver.h"
+#include "main.h"
+#include "modules/spanningtree.h"
-/* $ModDep: m_spanningtree/utils.h m_spanningtree/treeserver.h */
-
-TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance, const std::string &id) : ServerInstance(Instance), Utils(Util)
-{
- Parent = NULL;
- ServerName.clear();
- ServerDesc.clear();
- VersionString.clear();
- UserCount = OperCount = 0;
- rtt = LastPing = 0;
- Warned = Hidden = DupError = false;
- VersionString = ServerInstance->GetVersionString();
- SetID(id);
-}
+#include "utils.h"
+#include "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, InspIRCd* Instance, std::string Name, std::string Desc, const std::string &id)
- : ServerInstance(Instance), ServerName(Name.c_str()), ServerDesc(Desc), Utils(Util)
+TreeServer::TreeServer()
+ : Server(ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc)
+ , Parent(NULL), Route(NULL)
+ , VersionString(ServerInstance->GetVersionString())
+ , fullversion(ServerInstance->GetVersionString(true))
+ , Socket(NULL), sid(ServerInstance->Config->GetSID()), behind_bursting(0), ServerUser(ServerInstance->FakeClient)
+ , age(ServerInstance->Time()), Warned(false), UserCount(ServerInstance->Users.GetLocalUsers().size())
+ , OperCount(0), rtt(0), StartBurst(0), Hidden(false)
{
- Parent = NULL;
- VersionString.clear();
- UserCount = ServerInstance->UserCount();
- OperCount = ServerInstance->OperCount();
- VersionString = ServerInstance->GetVersionString();
- Route = NULL;
- Socket = NULL; /* Fix by brain */
- rtt = LastPing = 0;
- Warned = Hidden = DupError = 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, InspIRCd* Instance, std::string Name, std::string Desc, const std::string &id, TreeServer* Above, TreeSocket* Sock, bool Hide)
- : ServerInstance(Instance), Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock), Utils(Util), Hidden(Hide)
+TreeServer::TreeServer(const std::string& Name, const std::string& Desc, const std::string& id, TreeServer* Above, TreeSocket* Sock, bool Hide)
+ : Server(Name, Desc)
+ , Parent(Above), Socket(Sock), sid(id), behind_bursting(Parent->behind_bursting), ServerUser(new FakeUser(id, this))
+ , age(ServerInstance->Time()), Warned(false), UserCount(0), OperCount(0), rtt(0), StartBurst(0), Hidden(Hide)
{
- VersionString.clear();
- UserCount = OperCount = 0;
- this->SetNextPingTime(time(NULL) + Utils->PingFreq);
- this->SetPingFlag();
- DupError = false;
- rtt = LastPing = 0;
+ ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "New server %s behind_bursting %u", GetName().c_str(), behind_bursting);
+ CheckULine();
+ SetNextPingTime(ServerInstance->Time() + Utils->PingFreq);
+ SetPingFlag();
+
/* find the 'route' for this server (e.g. the one directly connected
* to the local server, which we can use to reach it)
*
*/
this->AddHashEntry();
+ Parent->AddChild(this);
+}
- SetID(id);
+void TreeServer::BeginBurst(unsigned long startms)
+{
+ behind_bursting++;
+
+ unsigned long now = ServerInstance->Time() * 1000 + (ServerInstance->Time_ns() / 1000000);
+ // If the start time is in the future (clocks are not synced) then use current time
+ if ((!startms) || (startms > now))
+ startms = now;
+ this->StartBurst = startms;
+ ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Server %s started bursting at time %lu behind_bursting %u", sid.c_str(), startms, behind_bursting);
}
-std::string& TreeServer::GetID()
+const std::string& TreeServer::GetID()
{
return sid;
}
-void TreeServer::SetID(const std::string &id)
+void TreeServer::FinishBurstInternal()
{
- sid = id;
- server_hash::iterator iter = Utils->sidlist.find(sid);
- if (iter == Utils->sidlist.end())
- Utils->sidlist[sid] = this;
+ // Check is needed because 1202 protocol servers don't send the bursting state of a server, so servers
+ // introduced during a netburst may later send ENDBURST which would normally decrease this counter
+ if (behind_bursting > 0)
+ behind_bursting--;
+ ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "FinishBurstInternal() %s behind_bursting %u", GetName().c_str(), behind_bursting);
+
+ if (!IsBehindBursting())
+ {
+ SetNextPingTime(ServerInstance->Time() + Utils->PingFreq);
+ SetPingFlag();
+ }
+ for (ChildServers::const_iterator i = Children.begin(); i != Children.end(); ++i)
+ {
+ TreeServer* child = *i;
+ child->FinishBurstInternal();
+ }
+}
+
+void TreeServer::FinishBurst()
+{
+ 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)",
+ GetName().c_str(), (bursttime > 10000 ? bursttime / 1000 : bursttime), (bursttime > 10000 ? "secs" : "msecs"));
+ AddServerEvent(Utils->Creator, GetName());
+
+ StartBurst = 0;
+ FinishBurstInternal();
+}
+
+void TreeServer::SQuitChild(TreeServer* server, const std::string& reason)
+{
+ DelServerEvent(Utils->Creator, server->GetName());
+ DelChild(server);
+
+ if (IsRoot())
+ {
+ // Server split from us, generate a SQUIT message and broadcast it
+ ServerInstance->SNO->WriteGlobalSno('l', "Server \002" + server->GetName() + "\002 split: " + reason);
+ CmdBuilder("SQUIT").push(server->GetID()).push_last(reason).Broadcast();
+ }
else
- DupError = true;
+ {
+ ServerInstance->SNO->WriteToSnoMask('L', "Server \002" + server->GetName() + "\002 split from server \002" + GetName() + "\002 with reason: " + reason);
+ }
+
+ int num_lost_servers = 0;
+ int num_lost_users = 0;
+ const std::string quitreason = GetName() + " " + server->GetName();
+
+ ModuleSpanningTree* st = Utils->Creator;
+ st->SplitInProgress = true;
+ server->SQuitInternal(quitreason, num_lost_servers, num_lost_users);
+ st->SplitInProgress = false;
+
+ ServerInstance->SNO->WriteToSnoMask(IsRoot() ? 'l' : 'L', "Netsplit complete, lost \002%d\002 user%s on \002%d\002 server%s.",
+ num_lost_users, num_lost_users != 1 ? "s" : "", num_lost_servers, num_lost_servers != 1 ? "s" : "");
+
+ server->Tidy();
+
+ // No-op if the socket is already closed (i.e. it called us)
+ if (server->IsLocal())
+ server->GetSocket()->Close();
+
+ server->cull();
+ delete server;
}
-bool TreeServer::DuplicateID()
+void TreeServer::SQuitInternal(const std::string& reason, int& num_lost_servers, int& num_lost_users)
{
- return DupError;
+ ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Server %s lost in split", GetName().c_str());
+
+ for (ChildServers::const_iterator i = Children.begin(); i != Children.end(); ++i)
+ {
+ TreeServer* server = *i;
+ server->SQuitInternal(reason, num_lost_servers, num_lost_users);
+ }
+
+ num_lost_servers++;
+ num_lost_users += QuitUsers(reason);
+ RemoveHash();
}
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->clientlist->begin(); n != ServerInstance->clientlist->end(); n++)
+ std::string publicreason = ServerInstance->Config->HideSplits ? "*.net *.split" : reason;
+
+ const user_hash& users = ServerInstance->Users->GetUsers();
+ unsigned int original_size = users.size();
+ for (user_hash::const_iterator i = users.begin(); i != users.end(); )
{
- if (!strcmp(n->second->server, this->ServerName.c_str()))
- {
- time_to_die.push_back(n->second);
- }
+ User* user = i->second;
+ // Increment the iterator now because QuitUser() removes the user from the container
+ ++i;
+ if (user->server == this)
+ ServerInstance->Users->QuitUser(user, publicreason, &reason);
}
- for (std::vector<User*>::iterator n = time_to_die.begin(); n != time_to_die.end(); n++)
+ return original_size - users.size();
+}
+
+void TreeServer::CheckULine()
+{
+ uline = silentuline = false;
+
+ ConfigTagList tags = ServerInstance->Config->ConfTags("uline");
+ for (ConfigIter i = tags.first; i != tags.second; ++i)
{
- User* a = (User*)*n;
- if (!IS_LOCAL(a))
+ ConfigTag* tag = i->second;
+ std::string server = tag->getString("server");
+ if (!strcasecmp(server.c_str(), GetName().c_str()))
{
- if (ServerInstance->Config->HideSplits)
- User::QuitUser(ServerInstance, a, "*.net *.split", reason_s);
- else
- User::QuitUser(ServerInstance, a, reason_s);
-
- if (this->Utils->quiet_bursts)
- ServerInstance->GlobalCulls.MakeSilent(a);
+ if (this->IsRoot())
+ {
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Servers should not uline themselves (at " + tag->getTagLocation() + ")");
+ return;
+ }
+
+ uline = true;
+ silentuline = tag->getBool("silent");
+ break;
}
}
- return time_to_die.size();
}
/** This method is used to add the structure to the
*/
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);
+ Utils->serverlist[GetName()] = this;
+ Utils->sidlist[sid] = this;
}
/** These accessors etc should be pretty self-
return Route;
}
-std::string TreeServer::GetName()
-{
- return ServerName.c_str();
-}
-
-std::string TreeServer::GetDesc()
-{
- return ServerDesc;
-}
-
-std::string TreeServer::GetVersion()
+const std::string& TreeServer::GetVersion()
{
return VersionString;
}
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;
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++)
+ std::vector<TreeServer*>::iterator it = std::find(Children.begin(), Children.end(), Child);
+ if (it != Children.end())
{
- if (*a == Child)
- {
- Children.erase(a);
- return true;
- }
+ Children.erase(it);
+ return true;
}
return false;
}
* 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()
+void TreeServer::Tidy()
{
- bool stillchildren = true;
- while (stillchildren)
+ while (1)
{
- 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;
- }
+ std::vector<TreeServer*>::iterator a = Children.begin();
+ if (a == Children.end())
+ return;
+ TreeServer* s = *a;
+ s->Tidy();
+ s->cull();
+ Children.erase(a);
+ delete s;
}
- return true;
+}
+
+CullResult TreeServer::cull()
+{
+ if (!IsRoot())
+ ServerUser->cull();
+ return classbase::cull();
}
TreeServer::~TreeServer()
{
/* We'd better tidy up after ourselves, eh? */
- this->DelHashEntry();
-
- server_hash::iterator iter = Utils->sidlist.find(GetID());
- if (iter != Utils->sidlist.end())
- Utils->sidlist.erase(iter);
+ if (!IsRoot())
+ delete ServerUser;
}
-
+void TreeServer::RemoveHash()
+{
+ Utils->sidlist.erase(sid);
+ Utils->serverlist.erase(GetName());
+}
projects / user / henk / code / inspircd.git / blobdiff