]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_spanningtree/treesocket1.cpp
Merge insp20
[user/henk/code/inspircd.git] / src / modules / m_spanningtree / treesocket1.cpp
index c9729cc0f3a6837c96d3d290b1e44c0ad8e9887b..9da06e82912a72d8a3674ad6e4a2177ffd5883c4 100644 (file)
 
 
 #include "inspircd.h"
-#include "socket.h"
-#include "xline.h"
-#include "socketengine.h"
+#include "iohook.h"
 
 #include "main.h"
-#include "../spanningtree.h"
+#include "modules/spanningtree.h"
 #include "utils.h"
 #include "treeserver.h"
 #include "link.h"
 #include "treesocket.h"
-#include "resolvers.h"
+#include "commands.h"
 
 /** Because most of the I/O gubbins are encapsulated within
  * BufferedSocket, we just call the superclass constructor for
  * most of the action, and append a few of our own values
  * to it.
  */
-TreeSocket::TreeSocket(SpanningTreeUtilities* Util, Link* link, Autoconnect* myac, const std::string& ipaddr)
-       : Utils(Util)
+TreeSocket::TreeSocket(Link* link, Autoconnect* myac, const std::string& ipaddr)
+       : linkID(assign(link->Name)), LinkState(CONNECTING), MyRoot(NULL), proto_version(0), ConnectionFailureShown(false)
+       , age(ServerInstance->Time())
 {
-       age = ServerInstance->Time();
-       linkID = assign(link->Name);
        capab = new CapabData;
        capab->link = link;
        capab->ac = myac;
        capab->capab_phase = 0;
-       MyRoot = NULL;
-       proto_version = 0;
-       ConnectionFailureShown = false;
-       LinkState = CONNECTING;
-       if (!link->Hook.empty())
-       {
-               ServiceProvider* prov = ServerInstance->Modules->FindService(SERVICE_IOHOOK, link->Hook);
-               if (!prov)
-               {
-                       SetError("Could not find hook '" + link->Hook + "' for connection to " + linkID);
-                       return;
-               }
-               AddIOHook(prov->creator);
-       }
+
        DoConnect(ipaddr, link->Port, link->Timeout, link->Bind);
        Utils->timeoutlist[this] = std::pair<std::string, int>(linkID, link->Timeout);
        SendCapabilities(1);
@@ -70,21 +54,16 @@ TreeSocket::TreeSocket(SpanningTreeUtilities* Util, Link* link, Autoconnect* mya
  * we must associate it with a socket without creating a new
  * connection. This constructor is used for this purpose.
  */
-TreeSocket::TreeSocket(SpanningTreeUtilities* Util, int newfd, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
-       : BufferedSocket(newfd), Utils(Util)
+TreeSocket::TreeSocket(int newfd, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
+       : BufferedSocket(newfd)
+       , linkID("inbound from " + client->addr()), LinkState(WAIT_AUTH_1), MyRoot(NULL), proto_version(0)
+       , ConnectionFailureShown(false), age(ServerInstance->Time())
 {
        capab = new CapabData;
        capab->capab_phase = 0;
-       MyRoot = NULL;
-       age = ServerInstance->Time();
-       LinkState = WAIT_AUTH_1;
-       proto_version = 0;
-       ConnectionFailureShown = false;
-       linkID = "inbound from " + client->addr();
 
-       FOREACH_MOD(I_OnHookIO, OnHookIO(this, via));
-       if (GetIOHook())
-               GetIOHook()->OnStreamSocketAccept(this, client, server);
+       if (via->iohookprov)
+               via->iohookprov->OnAccept(this, client, server);
        SendCapabilities(1);
 
        Utils->timeoutlist[this] = std::pair<std::string, int>(linkID, 30);
@@ -114,8 +93,7 @@ CullResult TreeSocket::cull()
 
 TreeSocket::~TreeSocket()
 {
-       if (capab)
-               delete capab;
+       delete capab;
 }
 
 /** When an outbound connection finishes connecting, we receive
@@ -128,6 +106,17 @@ void TreeSocket::OnConnected()
 {
        if (this->LinkState == CONNECTING)
        {
+               if (!capab->link->Hook.empty())
+               {
+                       ServiceProvider* prov = ServerInstance->Modules->FindService(SERVICE_IOHOOK, capab->link->Hook);
+                       if (!prov)
+                       {
+                               SetError("Could not find hook '" + capab->link->Hook + "' for connection to " + linkID);
+                               return;
+                       }
+                       static_cast<IOHookProvider*>(prov)->OnConnect(this);
+               }
+
                ServerInstance->SNO->WriteGlobalSno('l', "Connection to \2%s\2[%s] started.", linkID.c_str(),
                        (capab->link->HiddenFromStats ? "<hidden>" : capab->link->IPAddr.c_str()));
                this->SendCapabilities(1);
@@ -157,16 +146,15 @@ void TreeSocket::SendError(const std::string &errormessage)
  */
 void TreeSocket::SquitServer(std::string &from, TreeServer* Current, int& num_lost_servers, int& num_lost_users)
 {
-       std::string servername = Current->GetName();
-       ServerInstance->Logs->Log("m_spanningtree",DEBUG,"SquitServer for %s from %s",
-               servername.c_str(), from.c_str());
+       ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "SquitServer for %s from %s", Current->GetName().c_str(), from.c_str());
        /* recursively squit the servers attached to 'Current'.
         * We're going backwards so we don't remove users
         * while we still need them ;)
         */
-       for (unsigned int q = 0; q < Current->ChildCount(); q++)
+       const TreeServer::ChildServers& children = Current->GetChildren();
+       for (TreeServer::ChildServers::const_iterator i = children.begin(); i != children.end(); ++i)
        {
-               TreeServer* recursive_server = Current->GetChild(q);
+               TreeServer* recursive_server = *i;
                this->SquitServer(from,recursive_server, num_lost_servers, num_lost_users);
        }
        /* Now we've whacked the kids, whack self */
@@ -182,22 +170,21 @@ void TreeSocket::Squit(TreeServer* Current, const std::string &reason)
 {
        bool LocalSquit = false;
 
-       if ((Current) && (Current != Utils->TreeRoot))
+       if (!Current->IsRoot())
        {
                DelServerEvent(Utils->Creator, Current->GetName());
 
-               if (!Current->GetSocket() || Current->GetSocket()->Introduced())
-               {
-                       parameterlist params;
-                       params.push_back(Current->GetID());
-                       params.push_back(":"+reason);
-                       Utils->DoOneToAllButSender(Current->GetParent()->GetID(),"SQUIT",params,Current->GetID());
-               }
-
-               if (Current->GetParent() == Utils->TreeRoot)
+               if (Current->IsLocal())
                {
                        ServerInstance->SNO->WriteGlobalSno('l', "Server \002"+Current->GetName()+"\002 split: "+reason);
                        LocalSquit = true;
+                       if (Current->GetSocket()->Introduced())
+                       {
+                               CmdBuilder params("SQUIT");
+                               params.push_back(Current->GetID());
+                               params.push_last(reason);
+                               params.Broadcast();
+                       }
                }
                else
                {
@@ -206,7 +193,12 @@ void TreeSocket::Squit(TreeServer* Current, const std::string &reason)
                int num_lost_servers = 0;
                int num_lost_users = 0;
                std::string from = Current->GetParent()->GetName()+" "+Current->GetName();
+
+               ModuleSpanningTree* st = Utils->Creator;
+               st->SplitInProgress = true;
                SquitServer(from, Current, num_lost_servers, num_lost_users);
+               st->SplitInProgress = false;
+
                ServerInstance->SNO->WriteToSnoMask(LocalSquit ? '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" : "");
                Current->Tidy();
@@ -220,8 +212,26 @@ void TreeSocket::Squit(TreeServer* Current, const std::string &reason)
                        Close();
                }
        }
-       else
-               ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Squit from unknown server");
+}
+
+CmdResult CommandSQuit::HandleServer(TreeServer* server, std::vector<std::string>& params)
+{
+       TreeServer* quitting = Utils->FindServer(params[0]);
+       if (!quitting)
+       {
+               ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Squit from unknown server");
+               return CMD_FAILURE;
+       }
+
+       TreeSocket* sock = server->GetSocket();
+       sock->Squit(quitting, params[1]);
+
+       // XXX: Return CMD_FAILURE when servers SQUIT themselves (i.e. :00S SQUIT 00S :Shutting down)
+       // to avoid RouteCommand() being called. RouteCommand() requires a valid command source but we
+       // do not have one because the server user is deleted when its TreeServer is destructed.
+       // We generate a SQUIT in TreeSocket::Squit(), with our sid as the source and send it to the
+       // remaining servers.
+       return ((quitting == server) ? CMD_FAILURE : CMD_SUCCESS);
 }
 
 /** This function is called when we receive data from a remote