summaryrefslogtreecommitdiff
path: root/src/modules/m_spanningtree/treeserver.cpp
diff options
context:
space:
mode:
authorpeavey <peavey@e03df62e-2008-0410-955e-edbf42e46eb7>2007-07-16 17:14:45 +0000
committerpeavey <peavey@e03df62e-2008-0410-955e-edbf42e46eb7>2007-07-16 17:14:45 +0000
commitbab14f0dd2345c9d7dcbc47c918563709e1ac094 (patch)
tree753a23cfc9fc08c6697e80b3e686f074aa911d85 /src/modules/m_spanningtree/treeserver.cpp
parent3abff3a37550cc1d88dd4d1fd7ed526e89309a53 (diff)
'svn propset -R svn:eol-style CR *' Set to UNIX-style always. Binaries are auto skipped by svn.
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7454 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'src/modules/m_spanningtree/treeserver.cpp')
-rw-r--r--src/modules/m_spanningtree/treeserver.cpp326
1 files changed, 1 insertions, 325 deletions
diff --git a/src/modules/m_spanningtree/treeserver.cpp b/src/modules/m_spanningtree/treeserver.cpp
index b5cac1802..670f7e420 100644
--- a/src/modules/m_spanningtree/treeserver.cpp
+++ b/src/modules/m_spanningtree/treeserver.cpp
@@ -1,325 +1 @@
-/* +------------------------------------+
- * | 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.
- *
- * ---------------------------------------------------
- */
-
-#include "inspircd.h"
-#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"
-#include "wildcard.h"
-#include "xline.h"
-#include "transport.h"
-
-#include "m_spanningtree/utils.h"
-#include "m_spanningtree/treeserver.h"
-
-/* $ModDep: m_spanningtree/utils.h m_spanningtree/treeserver.h */
-
-TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance) : ServerInstance(Instance), Utils(Util)
-{
- Parent = NULL;
- ServerName.clear();
- ServerDesc.clear();
- VersionString.clear();
- UserCount = OperCount = 0;
- rtt = LastPing = 0;
- Hidden = false;
- 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.clear();
- UserCount = ServerInstance->UserCount();
- OperCount = ServerInstance->OperCount();
- VersionString = ServerInstance->GetVersionString();
- Route = NULL;
- Socket = NULL; /* Fix by brain */
- rtt = LastPing = 0;
- Hidden = false;
- 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, bool Hide)
- : ServerInstance(Instance), Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock), Utils(Util), Hidden(Hide)
-{
- VersionString.clear();
- UserCount = OperCount = 0;
- this->SetNextPingTime(time(NULL) + 60);
- this->SetPingFlag();
- rtt = LastPing = 0;
- /* 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))
- {
- if (ServerInstance->Config->HideSplits)
- userrec::QuitUser(ServerInstance, a, "*.net *.split", reason_s);
- else
- userrec::QuitUser(ServerInstance, a, reason_s);
-
- if (this->Utils->quiet_bursts)
- ServerInstance->GlobalCulls.MakeSilent(a);
- }
- }
- 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();
-}
-
-
+/* +------------------------------------+ * | 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. * * --------------------------------------------------- */ #include "inspircd.h" #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" #include "wildcard.h" #include "xline.h" #include "transport.h" #include "m_spanningtree/utils.h" #include "m_spanningtree/treeserver.h" /* $ModDep: m_spanningtree/utils.h m_spanningtree/treeserver.h */ TreeServer::TreeServer(SpanningTreeUtilities* Util, InspIRCd* Instance) : ServerInstance(Instance), Utils(Util) { Parent = NULL; ServerName.clear(); ServerDesc.clear(); VersionString.clear(); UserCount = OperCount = 0; rtt = LastPing = 0; Hidden = false; 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.clear(); UserCount = ServerInstance->UserCount(); OperCount = ServerInstance->OperCount(); VersionString = ServerInstance->GetVersionString(); Route = NULL; Socket = NULL; /* Fix by brain */ rtt = LastPing = 0; Hidden = false; 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, bool Hide) : ServerInstance(Instance), Parent(Above), ServerName(Name.c_str()), ServerDesc(Desc), Socket(Sock), Utils(Util), Hidden(Hide) { VersionString.clear(); UserCount = OperCount = 0; this->SetNextPingTime(time(NULL) + 60); this->SetPingFlag(); rtt = LastPing = 0; /* 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)) { if (ServerInstance->Config->HideSplits) userrec::QuitUser(ServerInstance, a, "*.net *.split", reason_s); else userrec::QuitUser(ServerInstance, a, reason_s); if (this->Utils->quiet_bursts) ServerInstance->GlobalCulls.MakeSilent(a); } } 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(); } \ No newline at end of file