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home » brain » inspircd-cvs » 1_1_stable » src » modules » m_spanningtree

main.cpp

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/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2008 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.
 *
 * ---------------------------------------------------
 */

/* $ModDesc: Provides a spanning tree server link protocol */

#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/timesynctimer.h"
#include "m_spanningtree/resolvers.h"
#include "m_spanningtree/main.h"
#include "m_spanningtree/utils.h"
#include "m_spanningtree/treeserver.h"
#include "m_spanningtree/link.h"
#include "m_spanningtree/treesocket.h"
#include "m_spanningtree/rconnect.h"
#include "m_spanningtree/rsquit.h"

/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_spanningtree/rconnect.h m_spanningtree/rsquit.h */

ModuleSpanningTree::ModuleSpanningTree(InspIRCd* Me)
        : Module(Me), max_local(0), max_global(0)
{
        ServerInstance->UseInterface("InspSocketHook");
        Utils = new SpanningTreeUtilities(Me, this);
        command_rconnect = new cmd_rconnect(ServerInstance, this, Utils);
        ServerInstance->AddCommand(command_rconnect);
        command_rsquit = new cmd_rsquit(ServerInstance, this, Utils);
        ServerInstance->AddCommand(command_rsquit);
}

void ModuleSpanningTree::ShowLinks(TreeServer* Current, userrec* user, int hops)
{
        std::string Parent = Utils->TreeRoot->GetName();
        if (Current->GetParent())
        {
                Parent = Current->GetParent()->GetName();
        }
        for (unsigned int q = 0; q < Current->ChildCount(); q++)
        {
                if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
                {
                        if (*user->oper)
                        {
                                 ShowLinks(Current->GetChild(q),user,hops+1);
                        }
                }
                else
                {
                        ShowLinks(Current->GetChild(q),user,hops+1);
                }
        }
        /* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
        if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName().c_str())) && (!IS_OPER(user)))
                return;
        /* Or if the server is hidden and they're not an oper */
        else if ((Current->Hidden) && (!IS_OPER(user)))
                return;

        user->WriteServ("364 %s %s %s :%d %s",  user->nick,Current->GetName().c_str(),
                        (Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName : Parent.c_str(),
                        (Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops,
                        Current->GetDesc().c_str());
}

int ModuleSpanningTree::CountLocalServs()
{
        return Utils->TreeRoot->ChildCount();
}

int ModuleSpanningTree::CountServs()
{
        return Utils->serverlist.size();
}

void ModuleSpanningTree::HandleLinks(const char** parameters, int pcnt, userrec* user)
{
        ShowLinks(Utils->TreeRoot,user,0);
        user->WriteServ("365 %s * :End of /LINKS list.",user->nick);
        return;
}

void ModuleSpanningTree::HandleLusers(const char** parameters, int pcnt, userrec* user)
{
        unsigned int n_users = ServerInstance->UserCount();

        /* Only update these when someone wants to see them, more efficient */
        if ((unsigned int)ServerInstance->LocalUserCount() > max_local)
                max_local = ServerInstance->LocalUserCount();
        if (n_users > max_global)
                max_global = n_users;

        unsigned int ulined_count = 0;
        unsigned int ulined_local_count = 0;

        /* If ulined are hidden and we're not an oper, count the number of ulined servers hidden,
         * locally and globally (locally means directly connected to us)
         */
        if ((Utils->HideULines) && (!*user->oper))
        {
                for (server_hash::iterator q = Utils->serverlist.begin(); q != Utils->serverlist.end(); q++)
                {
                        if (ServerInstance->ULine(q->second->GetName().c_str()))
                        {
                                ulined_count++;
                                if (q->second->GetParent() == Utils->TreeRoot)
                                        ulined_local_count++;
                        }
                }
        }
        user->WriteServ("251 %s :There are %d users and %d invisible on %d servers",user->nick,
                        n_users-ServerInstance->InvisibleUserCount(),
                        ServerInstance->InvisibleUserCount(),
                        ulined_count ? this->CountServs() - ulined_count : this->CountServs());

        if (ServerInstance->OperCount())
                user->WriteServ("252 %s %d :operator(s) online",user->nick,ServerInstance->OperCount());

        if (ServerInstance->UnregisteredUserCount())
                user->WriteServ("253 %s %d :unknown connections",user->nick,ServerInstance->UnregisteredUserCount());
        
        if (ServerInstance->ChannelCount())
                user->WriteServ("254 %s %d :channels formed",user->nick,ServerInstance->ChannelCount());
        
        user->WriteServ("255 %s :I have %d clients and %d servers",user->nick,ServerInstance->LocalUserCount(),ulined_local_count ? this->CountLocalServs() - ulined_local_count : this->CountLocalServs());
        user->WriteServ("265 %s :Current Local Users: %d  Max: %d",user->nick,ServerInstance->LocalUserCount(),max_local);
        user->WriteServ("266 %s :Current Global Users: %d  Max: %d",user->nick,n_users,max_global);
        return;
}

std::string ModuleSpanningTree::TimeToStr(time_t secs)
{
        time_t mins_up = secs / 60;
        time_t hours_up = mins_up / 60;
        time_t days_up = hours_up / 24;
        secs = secs % 60;
        mins_up = mins_up % 60;
        hours_up = hours_up % 24;
        return ((days_up ? (ConvToStr(days_up) + "d") : std::string(""))
                        + (hours_up ? (ConvToStr(hours_up) + "h") : std::string(""))
                        + (mins_up ? (ConvToStr(mins_up) + "m") : std::string(""))
                        + ConvToStr(secs) + "s");
}

const std::string ModuleSpanningTree::MapOperInfo(TreeServer* Current)
{
        time_t secs_up = ServerInstance->Time() - Current->age;
        return (" [Up: " + TimeToStr(secs_up) + " Lag: "+ConvToStr(Current->rtt)+"ms]");
}

// WARNING: NOT THREAD SAFE - DONT GET ANY SMART IDEAS.
void ModuleSpanningTree::ShowMap(TreeServer* Current, userrec* user, int depth, char matrix[250][250], float &totusers, float &totservers)
{
        if (line < 250)
        {
                for (int t = 0; t < depth; t++)
                {
                        matrix[line][t] = ' ';
                }
                // For Aligning, we need to work out exactly how deep this thing is, and produce
                // a 'Spacer' String to compensate.
                char spacer[80];
                memset(spacer,' ',80);
                if ((80 - Current->GetName().length() - depth) > 1) {
                        spacer[80 - Current->GetName().length() - depth] = '\0';
                }
                else
                {
                        spacer[5] = '\0';
                }
                float percent;
                char text[250];
                /* Neat and tidy default values, as we're dealing with a matrix not a simple string */
                memset(text, 0, 250);

                if (ServerInstance->clientlist->size() == 0) {
                        // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
                        percent = 0;
                }
                else
                {
                        percent = ((float)Current->GetUserCount() / (float)ServerInstance->clientlist->size()) * 100;
                }
                const std::string operdata = IS_OPER(user) ? MapOperInfo(Current) : "";
                snprintf(text, 249, "%s %s%5d [%5.2f%%]%s", Current->GetName().c_str(), spacer, Current->GetUserCount(), percent, operdata.c_str());
                totusers += Current->GetUserCount();
                totservers++;
                strlcpy(&matrix[line][depth], text, 249);
                line++;
                for (unsigned int q = 0; q < Current->ChildCount(); q++)
                {
                        if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName().c_str()))))
                        {
                                if (*user->oper)
                                {
                                        ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
                                }
                        }
                        else
                        {
                                ShowMap(Current->GetChild(q),user,(Utils->FlatLinks && (!*user->oper)) ? depth : depth+2,matrix,totusers,totservers);
                        }
                }
        }
}

int ModuleSpanningTree::HandleMotd(const char** parameters, int pcnt, userrec* user)
{
        if (pcnt > 0)
        {
                if (match(ServerInstance->Config->ServerName, parameters[0]))
                        return 0;

                /* Remote MOTD, the server is within the 1st parameter */
                std::deque<std::string> params;
                params.push_back(parameters[0]);
                /* Send it out remotely, generate no reply yet */
                TreeServer* s = Utils->FindServerMask(parameters[0]);
                if (s)
                {
                        params[0] = s->GetName();
                        Utils->DoOneToOne(user->nick, "MOTD", params, s->GetName());
                }
                else
                        user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
                return 1;
        }
        return 0;
}

int ModuleSpanningTree::HandleAdmin(const char** parameters, int pcnt, userrec* user)
{
        if (pcnt > 0)
        {
                if (match(ServerInstance->Config->ServerName, parameters[0]))
                        return 0;

                /* Remote ADMIN, the server is within the 1st parameter */
                std::deque<std::string> params;
                params.push_back(parameters[0]);
                /* Send it out remotely, generate no reply yet */
                TreeServer* s = Utils->FindServerMask(parameters[0]);
                if (s)
                {
                        params[0] = s->GetName();
                        Utils->DoOneToOne(user->nick, "ADMIN", params, s->GetName());
                }
                else
                        user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
                return 1;
        }
        return 0;
}

int ModuleSpanningTree::HandleModules(const char** parameters, int pcnt, userrec* user)
{
        if (pcnt > 0)
        {
                if (match(ServerInstance->Config->ServerName, parameters[0]))
                        return 0;

                std::deque<std::string> params;
                params.push_back(parameters[0]);
                TreeServer* s = Utils->FindServerMask(parameters[0]);
                if (s)
                {
                        params[0] = s->GetName();
                        Utils->DoOneToOne(user->nick, "MODULES", params, s->GetName());
                }
                else
                        user->WriteServ( "402 %s %s :No such server", user->nick, parameters[0]);
                return 1;
        }
        return 0;
}

int ModuleSpanningTree::HandleStats(const char** parameters, int pcnt, userrec* user)
{
        if (pcnt > 1)
        {
                if (match(ServerInstance->Config->ServerName, parameters[1]))
                        return 0;

                /* Remote STATS, the server is within the 2nd parameter */
                std::deque<std::string> params;
                params.push_back(parameters[0]);
                params.push_back(parameters[1]);
                /* Send it out remotely, generate no reply yet */

                TreeServer* s = Utils->FindServerMask(parameters[1]);
                if (s)
                {
                        params[1] = s->GetName();
                        Utils->DoOneToOne(user->nick, "STATS", params, s->GetName());
                }
                else
                {
                        user->WriteServ( "402 %s %s :No such server", user->nick, parameters[1]);
                }
                return 1;
        }
        return 0;
}

// Ok, prepare to be confused.
// After much mulling over how to approach this, it struck me that
// the 'usual' way of doing a /MAP isnt the best way. Instead of
// keeping track of a ton of ascii characters, and line by line
// under recursion working out where to place them using multiplications
// and divisons, we instead render the map onto a backplane of characters
// (a character matrix), then draw the branches as a series of "L" shapes
// from the nodes. This is not only friendlier on CPU it uses less stack.
void ModuleSpanningTree::HandleMap(const char** parameters, int pcnt, userrec* user)
{
        // This array represents a virtual screen which we will
        // "scratch" draw to, as the console device of an irc
        // client does not provide for a proper terminal.
        float totusers = 0;
        float totservers = 0;
        char matrix[250][250];
        for (unsigned int t = 0; t < 250; t++)
        {
                matrix[t][0] = '\0';
        }
        line = 0;
        // The only recursive bit is called here.
        ShowMap(Utils->TreeRoot,user,0,matrix,totusers,totservers);
        // Process each line one by one. The algorithm has a limit of
        // 128 servers (which is far more than a spanning tree should have
        // anyway, so we're ok). This limit can be raised simply by making
        // the character matrix deeper, 128 rows taking 10k of memory.
        for (int l = 1; l < line; l++)
        {
                // scan across the line looking for the start of the
                // servername (the recursive part of the algorithm has placed
                // the servers at indented positions depending on what they
                // are related to)
                int first_nonspace = 0;
                while (matrix[l][first_nonspace] == ' ')
                {
                        first_nonspace++;
                }
                first_nonspace--;
                // Draw the `- (corner) section: this may be overwritten by
                // another L shape passing along the same vertical pane, becoming
                // a |- (branch) section instead.
                matrix[l][first_nonspace] = '-';
                matrix[l][first_nonspace-1] = '`';
                int l2 = l - 1;
                // Draw upwards until we hit the parent server, causing possibly
                // other corners (`-) to become branches (|-)
                while ((matrix[l2][first_nonspace-1] == ' ') || (matrix[l2][first_nonspace-1] == '`'))
                {
                        matrix[l2][first_nonspace-1] = '|';
                        l2--;
                }
        }
        // dump the whole lot to the user. This is the easy bit, honest.
        for (int t = 0; t < line; t++)
        {
                user->WriteServ("006 %s :%s",user->nick,&matrix[t][0]);
        }
        float avg_users = totusers / totservers;
        user->WriteServ("270 %s :%.0f server%s and %.0f user%s, average %.2f users per server",user->nick,totservers,(totservers > 1 ? "s" : ""),totusers,(totusers > 1 ? "s" : ""),avg_users);
        user->WriteServ("007 %s :End of /MAP",user->nick);
        return;
}

int ModuleSpanningTree::HandleSquit(const char** parameters, int pcnt, userrec* user)
{
        TreeServer* s = Utils->FindServerMask(parameters[0]);
        if (s)
        {
                if (s == Utils->TreeRoot)
                {
                        user->WriteServ("NOTICE %s :*** SQUIT: Foolish mortal, you cannot make a server SQUIT itself! (%s matches local server name)",user->nick,parameters[0]);
                        return 1;
                }
                TreeSocket* sock = s->GetSocket();
                if (sock)
                {
                        ServerInstance->SNO->WriteToSnoMask('l',"SQUIT: Server \002%s\002 removed from network by %s",parameters[0],user->nick);
                        sock->Squit(s,std::string("Server quit by ") + user->GetFullRealHost());
                        ServerInstance->SE->DelFd(sock);
                        sock->Close();
                }
                else
                {
                        if (IS_LOCAL(user))
                                user->WriteServ("NOTICE %s :*** WARNING: Using SQUIT to split remote servers is deprecated. Please use RSQUIT instead.",user->nick);
                }
        }
        else
        {
                 user->WriteServ("NOTICE %s :*** SQUIT: The server \002%s\002 does not exist on the network.",user->nick,parameters[0]);
        }
        return 1;
}

int ModuleSpanningTree::HandleTime(const char** parameters, int pcnt, userrec* user)
{
        if ((IS_LOCAL(user)) && (pcnt))
        {
                TreeServer* found = Utils->FindServerMask(parameters[0]);
                if (found)
                {
                        // we dont' override for local server
                        if (found == Utils->TreeRoot)
                                return 0;
                        
                        std::deque<std::string> params;
                        params.push_back(found->GetName());
                        params.push_back(user->nick);
                        Utils->DoOneToOne(ServerInstance->Config->ServerName,"TIME",params,found->GetName());
                }
                else
                {
                        user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
                }
        }
        return 1;
}

int ModuleSpanningTree::HandleRemoteWhois(const char** parameters, int pcnt, userrec* user)
{
        if ((IS_LOCAL(user)) && (pcnt > 1))
        {
                userrec* remote = ServerInstance->FindNick(parameters[1]);
                if ((remote) && (remote->GetFd() < 0))
                {
                        std::deque<std::string> params;
                        params.push_back(parameters[1]);
                        Utils->DoOneToOne(user->nick,"IDLE",params,remote->server);
                        return 1;
                }
                else if (!remote)
                {
                        user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[1]);
                        user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, parameters[1]);
                        return 1;
                }
        }
        return 0;
}

void ModuleSpanningTree::DoPingChecks(time_t curtime)
{
        for (unsigned int j = 0; j < Utils->TreeRoot->ChildCount(); j++)
        {
                TreeServer* serv = Utils->TreeRoot->GetChild(j);
                TreeSocket* sock = serv->GetSocket();
                if (sock)
                {
                        if (curtime >= serv->NextPingTime())
                        {
                                if (serv->AnsweredLastPing())
                                {
                                        sock->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" PING "+serv->GetName());
                                        serv->SetNextPingTime(curtime + Utils->PingFreq);
                                        serv->LastPing = curtime;
#ifndef WIN32
                                        timeval t;
                                        gettimeofday(&t, NULL);
                                        long ts = (t.tv_sec * 1000) + (t.tv_usec / 1000);
                                        serv->LastPingMsec = ts;
#endif
                                        serv->Warned = false;
                                }
                                else
                                {
                                        /* they didnt answer, boot them */
                                        sock->SendError("Ping timeout");
                                        sock->Squit(serv,"Ping timeout");
                                        ServerInstance->SE->DelFd(sock);
                                        sock->Close();
                                        return;
                                }
                        }
                        else if ((Utils->PingWarnTime) && (!serv->Warned) && (curtime >= serv->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!serv->AnsweredLastPing()))
                        {
                                /* The server hasnt responded, send a warning to opers */
                                ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", serv->GetName().c_str(), Utils->PingWarnTime);
                                serv->Warned = true;
                        }
                }
        }

        /* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
         * This prevents lost REMOTECONNECT notices
         */
        for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
                Utils->SetRemoteBursting(i->second, false);
}

void ModuleSpanningTree::ConnectServer(Link* x)
{
        bool ipvalid = true;
        QueryType start_type = DNS_QUERY_A;
#ifdef IPV6
        start_type = DNS_QUERY_AAAA;
        if (strchr(x->IPAddr.c_str(),':'))
        {
                in6_addr n;
                if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
                        ipvalid = false;
        }
        else
#endif
        {
                in_addr n;
                if (inet_aton(x->IPAddr.c_str(),&n) < 1)
                        ipvalid = false;
        }

        /* Do we already have an IP? If so, no need to resolve it. */
        if (ipvalid)
        {
                /* Gave a hook, but it wasnt one we know */
                if ((!x->Hook.empty()) && (Utils->hooks.find(x->Hook.c_str()) == Utils->hooks.end()))
                        return;
                TreeSocket* newsocket = new TreeSocket(Utils, ServerInstance, x->IPAddr,x->Port,false,x->Timeout ? x->Timeout : 10,x->Name.c_str(), x->Bind, x->Hook.empty() ? NULL : Utils->hooks[x->Hook.c_str()]);
                if (newsocket->GetFd() > -1)
                {
                        /* Handled automatically on success */
                }
                else
                {
                        RemoteMessage(NULL, "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(),strerror(errno));
                        if (ServerInstance->SocketCull.find(newsocket) == ServerInstance->SocketCull.end())
                                ServerInstance->SocketCull[newsocket] = newsocket;
                        Utils->DoFailOver(x);
                }
        }
        else
        {
                try
                {
                        bool cached;
                        ServernameResolver* snr = new ServernameResolver((Module*)this, Utils, ServerInstance,x->IPAddr, *x, cached, start_type);
                        ServerInstance->AddResolver(snr, cached);
                }
                catch (ModuleException& e)
                {
                        RemoteMessage(NULL, "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
                        Utils->DoFailOver(x);
                }
        }
}

void ModuleSpanningTree::AutoConnectServers(time_t curtime)
{
        for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
        {
                if ((x->AutoConnect) && (curtime >= x->NextConnectTime))
                {
                        x->NextConnectTime = curtime + x->AutoConnect;
                        TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
                        if (x->FailOver.length())
                        {
                                TreeServer* CheckFailOver = Utils->FindServer(x->FailOver.c_str());
                                if (CheckFailOver)
                                {
                                        /* The failover for this server is currently a member of the network.
                                         * The failover probably succeeded, where the main link did not.
                                         * Don't try the main link until the failover is gone again.
                                         */
                                        continue;
                                }
                        }
                        if (!CheckDupe)
                        {
                                // an autoconnected server is not connected. Check if its time to connect it
                                ServerInstance->SNO->WriteToSnoMask('l',"AUTOCONNECT: Auto-connecting server \002%s\002 (%lu seconds until next attempt)",x->Name.c_str(),x->AutoConnect);
                                this->ConnectServer(&(*x));
                        }
                }
        }
}

int ModuleSpanningTree::HandleVersion(const char** parameters, int pcnt, userrec* user)
{
        // we've already checked if pcnt > 0, so this is safe
        TreeServer* found = Utils->FindServerMask(parameters[0]);
        if (found)
        {
                std::string Version = found->GetVersion();
                user->WriteServ("351 %s :%s",user->nick,Version.c_str());
                if (found == Utils->TreeRoot)
                {
                        ServerInstance->Config->Send005(user);
                }
        }
        else
        {
                user->WriteServ("402 %s %s :No such server",user->nick,parameters[0]);
        }
        return 1;
}

/* This method will attempt to get a link message out to as many people as is required.
 * If a user is provided, and that user is local, then the user is sent the message using
 * WriteServ (they are the local initiator of that message). If the user is remote, they are
 * sent that message remotely via PUSH.
 * If the user is NULL, then the notice is sent locally via WriteToSnoMask with snomask 'l',
 * and remotely via SNONOTICE with mask 'l'.
 */
void ModuleSpanningTree::RemoteMessage(userrec* user, const char* format, ...)
{
        /* This could cause an infinite loop, because DoOneToMany() will, on error,
         * call TreeSocket::OnError(), which in turn will call this function to
         * notify everyone of the error. So, drop any messages that are generated
         * during the sending of another message. -Special */
        static bool SendingRemoteMessage = false;
        if (SendingRemoteMessage)
                return;
        SendingRemoteMessage = true;

        std::deque<std::string> params;
        char text[MAXBUF];
        va_list argsPtr;

        va_start(argsPtr, format);
        vsnprintf(text, MAXBUF, format, argsPtr);
        va_end(argsPtr);

        if (!user)
        {
                /* No user, target it generically at everyone */
                ServerInstance->SNO->WriteToSnoMask('l', "%s", text);
                params.push_back("l");
                params.push_back(std::string(":") + text);
                Utils->DoOneToMany(ServerInstance->Config->ServerName, "SNONOTICE", params);
        }
        else
        {
                if (IS_LOCAL(user))
                        user->WriteServ("NOTICE %s :%s", user->nick, text);
                else
                {
                        params.push_back(user->nick);
                        params.push_back(std::string("::") + ServerInstance->Config->ServerName + " NOTICE " + user->nick + " :*** From " +
                                        ServerInstance->Config->ServerName+ ": " + text);
                        Utils->DoOneToMany(ServerInstance->Config->ServerName, "PUSH", params);
                }
        }
        
        SendingRemoteMessage = false;
}
        
int ModuleSpanningTree::HandleConnect(const char** parameters, int pcnt, userrec* user)
{
        for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
        {
                if (ServerInstance->MatchText(x->Name.c_str(),parameters[0]))
                {
                        TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
                        if (!CheckDupe)
                        {
                                RemoteMessage(user, "*** CONNECT: Connecting to server: \002%s\002 (%s:%d)",x->Name.c_str(),(x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()),x->Port);
                                ConnectServer(&(*x));
                                return 1;
                        }
                        else
                        {
                                RemoteMessage(user, "*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002",x->Name.c_str(),CheckDupe->GetParent()->GetName().c_str());
                                return 1;
                        }
                }
        }
        RemoteMessage(user, "*** CONNECT: No server matching \002%s\002 could be found in the config file.",parameters[0]);
        return 1;
}

void ModuleSpanningTree::BroadcastTimeSync()
{
        if (Utils->MasterTime)
        {
                std::deque<std::string> params;
                params.push_back(ConvToStr(ServerInstance->Time(false)));
                params.push_back("FORCE");
                Utils->DoOneToMany(Utils->TreeRoot->GetName(), "TIMESET", params);
        }
}

int ModuleSpanningTree::OnStats(char statschar, userrec* user, string_list &results)
{
        if ((statschar == 'c') || (statschar == 'n'))
        {
                for (unsigned int i = 0; i < Utils->LinkBlocks.size(); i++)
                {
                        results.push_back(std::string(ServerInstance->Config->ServerName)+" 213 "+user->nick+" "+statschar+" *@"+(Utils->LinkBlocks[i].HiddenFromStats ? "<hidden>" : Utils->LinkBlocks[i].IPAddr)+" * "+Utils->LinkBlocks[i].Name.c_str()+" "+ConvToStr(Utils->LinkBlocks[i].Port)+" "+(Utils->LinkBlocks[i].Hook.empty() ? "plaintext" : Utils->LinkBlocks[i].Hook)+" "+(Utils->LinkBlocks[i].AutoConnect ? 'a' : '-')+'s');
                        if (statschar == 'c')
                                results.push_back(std::string(ServerInstance->Config->ServerName)+" 244 "+user->nick+" H * * "+Utils->LinkBlocks[i].Name.c_str());
                }
                results.push_back(std::string(ServerInstance->Config->ServerName)+" 219 "+user->nick+" "+statschar+" :End of /STATS report");
                ServerInstance->SNO->WriteToSnoMask('t',"%s '%c' requested by %s (%s@%s)",(!strcmp(user->server,ServerInstance->Config->ServerName) ? "Stats" : "Remote stats"),statschar,user->nick,user->ident,user->host);
                return 1;
        }

        if (statschar == 'p')
        {
                /* show all server ports, after showing client ports. -- w00t */

                for (unsigned int i = 0; i < Utils->Bindings.size(); i++)
                {
                        std::string ip = Utils->Bindings[i]->IP;
                        if (ip.empty())
                                ip = "*";

                        std::string transport("plaintext");
                        if (Utils->Bindings[i]->GetHook())
                                transport = InspSocketNameRequest(this, Utils->Bindings[i]->GetHook()).Send();

                        results.push_back(ConvToStr(ServerInstance->Config->ServerName) + " 249 "+user->nick+" :" + ip + ":" + ConvToStr(Utils->Bindings[i]->port)+
                                " (server, " + transport + ")");
                }
        }
        return 0;
}

int ModuleSpanningTree::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
{
        /* If the command doesnt appear to be valid, we dont want to mess with it. */
        if (!validated)
                return 0;

        if (command == "CONNECT")
        {
                return this->HandleConnect(parameters,pcnt,user);
        }
        else if (command == "STATS")
        {
                return this->HandleStats(parameters,pcnt,user);
        }
        else if (command == "MOTD")
        {
                return this->HandleMotd(parameters,pcnt,user);
        }
        else if (command == "ADMIN")
        {
                return this->HandleAdmin(parameters,pcnt,user);
        }
        else if (command == "SQUIT")
        {
                return this->HandleSquit(parameters,pcnt,user);
        }
        else if (command == "MAP")
        {
                this->HandleMap(parameters,pcnt,user);
                return 1;
        }
        else if ((command == "TIME") && (pcnt > 0))
        {
                return this->HandleTime(parameters,pcnt,user);
        }
        else if (command == "LUSERS")
        {
                this->HandleLusers(parameters,pcnt,user);
                return 1;
        }
        else if (command == "LINKS")
        {
                this->HandleLinks(parameters,pcnt,user);
                return 1;
        }
        else if (command == "WHOIS")
        {
                if (pcnt > 1)
                {
                        // remote whois
                        return this->HandleRemoteWhois(parameters,pcnt,user);
                }
        }
        else if ((command == "VERSION") && (pcnt > 0))
        {
                this->HandleVersion(parameters,pcnt,user);
                return 1;
        }
        else if ((command == "MODULES") && (pcnt > 0))
        {
                return this->HandleModules(parameters,pcnt,user);
        }
        return 0;
}

void ModuleSpanningTree::OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
{
        if ((result == CMD_SUCCESS) && (ServerInstance->IsValidModuleCommand(command, pcnt, user)))
        {
                // this bit of code cleverly routes all module commands
                // to all remote severs *automatically* so that modules
                // can just handle commands locally, without having
                // to have any special provision in place for remote
                // commands and linking protocols.
                std::deque<std::string> params;
                params.clear();

                /* To make sure that parameters with spaces, or empty
                 * parameters, etc, are always send properly, *always*
                 * prefix the last parameter with a :. This also removes
                 * an extra strchr() */
                for (int j = 0; j < pcnt - 1; j++)
                {
                        params.push_back(parameters[j]);
                }
                if (pcnt)
                        params.push_back(":" + std::string(parameters[pcnt - 1]));
                
                Utils->DoOneToMany(user->nick,command,params);
        }
}

void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
{
        TreeServer* s = Utils->FindServer(servername);
        if (s)
        {
                description = s->GetDesc();
        }
}

void ModuleSpanningTree::OnUserInvite(userrec* source,userrec* dest,chanrec* channel)
{
        if (IS_LOCAL(source))
        {
                std::deque<std::string> params;
                params.push_back(dest->nick);
                params.push_back(channel->name);
                Utils->DoOneToMany(source->nick,"INVITE",params);
        }
}

void ModuleSpanningTree::OnPostLocalTopicChange(userrec* user, chanrec* chan, const std::string &topic)
{
        std::deque<std::string> params;
        params.push_back(chan->name);
        params.push_back(":"+topic);
        Utils->DoOneToMany(user->nick,"TOPIC",params);
}

void ModuleSpanningTree::OnWallops(userrec* user, const std::string &text)
{
        if (IS_LOCAL(user))
        {
                std::deque<std::string> params;
                params.push_back(":"+text);
                Utils->DoOneToMany(user->nick,"WALLOPS",params);
        }
}

void ModuleSpanningTree::OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
{
        if (target_type == TYPE_USER)
        {
                userrec* d = (userrec*)dest;
                if ((d->GetFd() < 0) && (IS_LOCAL(user)))
                {
                        std::deque<std::string> params;
                        params.clear();
                        params.push_back(d->nick);
                        params.push_back(":"+text);
                        Utils->DoOneToOne(user->nick,"NOTICE",params,d->server);
                }
        }
        else if (target_type == TYPE_CHANNEL)
        {
                if (IS_LOCAL(user))
                {
                        chanrec *c = (chanrec*)dest;
                        if (c)
                        {
                                std::string cname = c->name;
                                if (status)
                                        cname = status + cname;
                                TreeServerList list;
                                Utils->GetListOfServersForChannel(c,list,status,exempt_list);
                                for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
                                {
                                        TreeSocket* Sock = i->second->GetSocket();
                                        if (Sock)
                                                Sock->WriteLine(":"+std::string(user->nick)+" NOTICE "+cname+" :"+text);
                                }
                        }
                }
        }
        else if (target_type == TYPE_SERVER)
        {
                if (IS_LOCAL(user))
                {
                        char* target = (char*)dest;
                        std::deque<std::string> par;
                        par.push_back(target);
                        par.push_back(":"+text);
                        Utils->DoOneToMany(user->nick,"NOTICE",par);
                }
        }
}

void ModuleSpanningTree::OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
{
        if (target_type == TYPE_USER)
        {
                // route private messages which are targetted at clients only to the server
                // which needs to receive them
                userrec* d = (userrec*)dest;
                if ((d->GetFd() < 0) && (IS_LOCAL(user)))
                {
                        std::deque<std::string> params;
                        params.clear();
                        params.push_back(d->nick);
                        params.push_back(":"+text);
                        Utils->DoOneToOne(user->nick,"PRIVMSG",params,d->server);
                }
        }
        else if (target_type == TYPE_CHANNEL)
        {
                if (IS_LOCAL(user))
                {
                        chanrec *c = (chanrec*)dest;
                        if (c)
                        {
                                std::string cname = c->name;
                                if (status)
                                        cname = status + cname;
                                TreeServerList list;
                                Utils->GetListOfServersForChannel(c,list,status,exempt_list);
                                for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
                                {
                                        TreeSocket* Sock = i->second->GetSocket();
                                        if (Sock)
                                                Sock->WriteLine(":"+std::string(user->nick)+" PRIVMSG "+cname+" :"+text);
                                }
                        }
                }
        }
        else if (target_type == TYPE_SERVER)
        {
                if (IS_LOCAL(user))
                {
                        char* target = (char*)dest;
                        std::deque<std::string> par;
                        par.push_back(target);
                        par.push_back(":"+text);
                        Utils->DoOneToMany(user->nick,"PRIVMSG",par);
                }
        }
}

void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
{
        AutoConnectServers(curtime);
        DoPingChecks(curtime);
        if (curtime % 60 == 0)
        {
                if (Utils->EnableTimeSync)
                        BroadcastTimeSync();
                Utils->RefreshIPCache();
        }
}

void ModuleSpanningTree::OnUserJoin(userrec* user, chanrec* channel, bool &silent)
{
        // Only do this for local users
        if (IS_LOCAL(user))
        {
                if (channel->GetUserCounter() == 1)
                {
                        std::deque<std::string> params;
                        // set up their permissions and the channel TS with FJOIN.
                        // All users are FJOINed now, because a module may specify
                        // new joining permissions for the user.
                        params.push_back(channel->name);
                        params.push_back(ConvToStr(channel->age));
                        params.push_back(std::string(channel->GetAllPrefixChars(user))+","+std::string(user->nick));
                        Utils->DoOneToMany(ServerInstance->Config->ServerName,"FJOIN",params);
                        /* First user in, sync the modes for the channel */
                        params.pop_back();
                        params.push_back(channel->ChanModes(true));
                        Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",params);
                }
                else
                {
                        std::deque<std::string> params;
                        params.push_back(channel->name);
                        params.push_back(ConvToStr(channel->age));
                        Utils->DoOneToMany(user->nick,"JOIN",params);
                }
        }
}

void ModuleSpanningTree::OnChangeHost(userrec* user, const std::string &newhost)
{
        // only occurs for local clients
        if (user->registered != REG_ALL)
                return;
        std::deque<std::string> params;
        params.push_back(newhost);
        Utils->DoOneToMany(user->nick,"FHOST",params);
}

void ModuleSpanningTree::OnChangeName(userrec* user, const std::string &gecos)
{
        // only occurs for local clients
        if (user->registered != REG_ALL)
                return;
        std::deque<std::string> params;
        params.push_back(gecos);
        Utils->DoOneToMany(user->nick,"FNAME",params);
}

void ModuleSpanningTree::OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
{
        if (IS_LOCAL(user))
        {
                std::deque<std::string> params;
                params.push_back(channel->name);
                if (!partmessage.empty())
                        params.push_back(":"+partmessage);
                Utils->DoOneToMany(user->nick,"PART",params);
        }
}

void ModuleSpanningTree::OnUserConnect(userrec* user)
{
        char agestr[MAXBUF];
        if (IS_LOCAL(user))
        {
                std::deque<std::string> params;
                snprintf(agestr,MAXBUF,"%lu",(unsigned long)user->age);
                params.push_back(agestr);
                params.push_back(user->nick);
                params.push_back(user->host);
                params.push_back(user->dhost);
                params.push_back(user->ident);
                params.push_back("+"+std::string(user->FormatModes()));
                params.push_back(user->GetIPString());
                params.push_back(":"+std::string(user->fullname));
                Utils->DoOneToMany(ServerInstance->Config->ServerName,"NICK",params);
                // User is Local, change needs to be reflected!
                TreeServer* SourceServer = Utils->FindServer(user->server);
                if (SourceServer)
                {
                        SourceServer->AddUserCount();
                }
        }
}

void ModuleSpanningTree::OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
{
        if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
        {
                std::deque<std::string> params;

                if (oper_message != reason)
                {
                        params.push_back(":"+oper_message);
                        Utils->DoOneToMany(user->nick,"OPERQUIT",params);
                }
                params.clear();
                params.push_back(":"+reason);
                Utils->DoOneToMany(user->nick,"QUIT",params);
        }
        // Regardless, We need to modify the user Counts..
        TreeServer* SourceServer = Utils->FindServer(user->server);
        if (SourceServer)
        {
                SourceServer->DelUserCount();
        }
}

void ModuleSpanningTree::OnUserPostNick(userrec* user, const std::string &oldnick)
{
        if (IS_LOCAL(user))
        {
                std::deque<std::string> params;
                params.push_back(user->nick);
                Utils->DoOneToMany(oldnick,"NICK",params);
        }
}

void ModuleSpanningTree::OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent)
{
        if ((source) && (IS_LOCAL(source)))
        {
                std::deque<std::string> params;
                params.push_back(chan->name);
                params.push_back(user->nick);
                params.push_back(":"+reason);
                Utils->DoOneToMany(source->nick,"KICK",params);
        }
        else if (!source)
        {
                std::deque<std::string> params;
                params.push_back(chan->name);
                params.push_back(user->nick);
                params.push_back(":"+reason);
                Utils->DoOneToMany(ServerInstance->Config->ServerName,"KICK",params);
        }
}

void ModuleSpanningTree::OnRemoteKill(userrec* source, userrec* dest, const std::string &reason, const std::string &operreason)
{
        if (!IS_LOCAL(source)) return; // Don't need to do anything for a non-local source.
        std::deque<std::string> params;
        params.push_back(":"+reason);
        Utils->DoOneToMany(dest->nick,"OPERQUIT",params);
        params.clear();
        params.push_back(dest->nick);
        params.push_back(":"+reason);
        dest->SetOperQuit(operreason);
        Utils->DoOneToMany(source->nick,"KILL",params);
}

void ModuleSpanningTree::OnRehash(userrec* user, const std::string &parameter)
{
        if (!parameter.empty())
        {
                std::deque<std::string> params;
                params.push_back(parameter);
                Utils->DoOneToMany(user ? user->nick : ServerInstance->Config->ServerName, "REHASH", params);
                // check for self
                if (ServerInstance->MatchText(ServerInstance->Config->ServerName,parameter))
                {
                        ServerInstance->WriteOpers("*** Remote rehash initiated locally by \002%s\002", user ? user->nick : ServerInstance->Config->ServerName);
                        ServerInstance->RehashServer();
                }
        }
        Utils->ReadConfiguration(true);
        InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
}

// note: the protocol does not allow direct umode +o except
// via NICK with 8 params. sending OPERTYPE infers +o modechange
// locally.
void ModuleSpanningTree::OnOper(userrec* user, const std::string &opertype)
{
        if (IS_LOCAL(user))
        {
                std::deque<std::string> params;
                params.push_back(opertype);
                Utils->DoOneToMany(user->nick,"OPERTYPE",params);
        }
}

void ModuleSpanningTree::OnLine(userrec* source, const std::string &host, bool adding, char linetype, long duration, const std::string &reason)
{
        if (!source)
        {
                /* Server-set lines */
                char data[MAXBUF];
                snprintf(data,MAXBUF,"%c %s %s %lu %lu :%s", linetype, host.c_str(), ServerInstance->Config->ServerName, (unsigned long)ServerInstance->Time(false),
                                (unsigned long)duration, reason.c_str());
                std::deque<std::string> params;
                params.push_back(data);
                Utils->DoOneToMany(ServerInstance->Config->ServerName, "ADDLINE", params);
        }
        else
        {
                if (IS_LOCAL(source))
                {
                        char type[8];
                        snprintf(type,8,"%cLINE",linetype);
                        std::string stype = type;
                        if (adding)
                        {
                                char sduration[MAXBUF];
                                snprintf(sduration,MAXBUF,"%ld",duration);
                                std::deque<std::string> params;
                                params.push_back(host);
                                params.push_back(sduration);
                                params.push_back(":"+reason);
                                Utils->DoOneToMany(source->nick,stype,params);
                        }
                        else
                        {
                                std::deque<std::string> params;
                                params.push_back(host);
                                Utils->DoOneToMany(source->nick,stype,params);
                        }
                }
        }
}

void ModuleSpanningTree::OnAddGLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
{
        OnLine(source,hostmask,true,'G',duration,reason);
}
        
void ModuleSpanningTree::OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask)
{
        OnLine(source,ipmask,true,'Z',duration,reason);
}

void ModuleSpanningTree::OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask)
{
        OnLine(source,nickmask,true,'Q',duration,reason);
}

void ModuleSpanningTree::OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask)
{
        OnLine(source,hostmask,true,'E',duration,reason);
}

void ModuleSpanningTree::OnDelGLine(userrec* source, const std::string &hostmask)
{
        OnLine(source,hostmask,false,'G',0,"");
}

void ModuleSpanningTree::OnDelZLine(userrec* source, const std::string &ipmask)
{
        OnLine(source,ipmask,false,'Z',0,"");
}

void ModuleSpanningTree::OnDelQLine(userrec* source, const std::string &nickmask)
{
        OnLine(source,nickmask,false,'Q',0,"");
}

void ModuleSpanningTree::OnDelELine(userrec* source, const std::string &hostmask)
{
        OnLine(source,hostmask,false,'E',0,"");
}

void ModuleSpanningTree::OnMode(userrec* user, void* dest, int target_type, const std::string &text)
{
        if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
        {
                std::deque<std::string> params;
                std::string command;

                if (target_type == TYPE_USER)
                {
                        userrec* u = (userrec*)dest;
                        params.push_back(u->nick);
                        params.push_back(text);
                        command = "MODE";
                }
                else
                {
                        chanrec* c = (chanrec*)dest;
                        params.push_back(c->name);
                        params.push_back(ConvToStr(c->age));
                        params.push_back(text);
                        command = "FMODE";
                }
                Utils->DoOneToMany(user->nick, command, params);
        }
}

void ModuleSpanningTree::OnSetAway(userrec* user)
{
        if (IS_LOCAL(user))
        {
                std::deque<std::string> params;
                params.push_back(":"+std::string(user->awaymsg));
                Utils->DoOneToMany(user->nick,"AWAY",params);
        }
}

void ModuleSpanningTree::OnCancelAway(userrec* user)
{
        if (IS_LOCAL(user))
        {
                std::deque<std::string> params;
                params.clear();
                Utils->DoOneToMany(user->nick,"AWAY",params);
        }
}

void ModuleSpanningTree::ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline)
{
        TreeSocket* s = (TreeSocket*)opaque;
        if (target)
        {
                if (target_type == TYPE_USER)
                {
                        userrec* u = (userrec*)target;
                        s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+u->nick+" "+ConvToStr(u->age)+" "+modeline);
                }
                else
                {
                        chanrec* c = (chanrec*)target;
                        s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+modeline);
                }
        }
}

void ModuleSpanningTree::ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata)
{
        TreeSocket* s = (TreeSocket*)opaque;
        if (target)
        {
                if (target_type == TYPE_USER)
                {
                        userrec* u = (userrec*)target;
                        s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+u->nick+" "+extname+" :"+extdata);
                }
                else if (target_type == TYPE_CHANNEL)
                {
                        chanrec* c = (chanrec*)target;
                        s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA "+c->name+" "+extname+" :"+extdata);
                }
        }
        if (target_type == TYPE_OTHER)
        {
                s->WriteLine(std::string(":")+ServerInstance->Config->ServerName+" METADATA * "+extname+" :"+extdata);
        }
}

void ModuleSpanningTree::OnEvent(Event* event)
{
        std::deque<std::string>* params = (std::deque<std::string>*)event->GetData();
        if (event->GetEventID() == "send_metadata")
        {
                if (params->size() < 3)
                        return;
                (*params)[2] = ":" + (*params)[2];
                Utils->DoOneToMany(ServerInstance->Config->ServerName,"METADATA",*params);
        }
        else if (event->GetEventID() == "send_topic")
        {
                if (params->size() < 2)
                        return;
                (*params)[1] = ":" + (*params)[1];
                params->insert(params->begin() + 1,ServerInstance->Config->ServerName);
                params->insert(params->begin() + 1,ConvToStr(ServerInstance->Time(true)));
                Utils->DoOneToMany(ServerInstance->Config->ServerName,"FTOPIC",*params);
        }
        else if (event->GetEventID() == "send_mode")
        {
                if (params->size() < 2)
                        return;
                // Insert the TS value of the object, either userrec or chanrec
                time_t ourTS = 0;
                userrec* a = ServerInstance->FindNick((*params)[0]);
                if (a)
                {
                        ourTS = a->age;
                        Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
                        return;
                }
                else
                {
                        chanrec* a = ServerInstance->FindChan((*params)[0]);
                        if (a)
                        {
                                ourTS = a->age;
                                params->insert(params->begin() + 1,ConvToStr(ourTS));
                                Utils->DoOneToMany(ServerInstance->Config->ServerName,"FMODE",*params);
                        }
                }
        }
        else if (event->GetEventID() == "send_mode_explicit")
        {
                if (params->size() < 2)
                        return;
                Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODE",*params);
        }
        else if (event->GetEventID() == "send_opers")
        {
                if (params->size() < 1)
                        return;
                (*params)[0] = ":" + (*params)[0];
                Utils->DoOneToMany(ServerInstance->Config->ServerName,"OPERNOTICE",*params);
        }
        else if (event->GetEventID() == "send_modeset")
        {
                if (params->size() < 2)
                        return;
                (*params)[1] = ":" + (*params)[1];
                Utils->DoOneToMany(ServerInstance->Config->ServerName,"MODENOTICE",*params);
        }
        else if (event->GetEventID() == "send_snoset")
        {
                if (params->size() < 2)
                        return;
                (*params)[1] = ":" + (*params)[1];
                Utils->DoOneToMany(ServerInstance->Config->ServerName,"SNONOTICE",*params);
        }
        else if (event->GetEventID() == "send_push")
        {
                if (params->size() < 2)
                        return;
                        
                userrec *a = ServerInstance->FindNick((*params)[0]);
                        
                if (!a)
                        return;
                        
                (*params)[1] = ":" + (*params)[1];
                Utils->DoOneToOne(ServerInstance->Config->ServerName, "PUSH", *params, a->server);
        }
}

ModuleSpanningTree::~ModuleSpanningTree()
{
        /* This will also free the listeners */
        delete Utils;
        ServerInstance->DoneWithInterface("InspSocketHook");
}

Version ModuleSpanningTree::GetVersion()
{
        return Version(1,1,0,2,VF_VENDOR,API_VERSION);
}

void ModuleSpanningTree::Implements(char* List)
{
        List[I_OnPreCommand] = List[I_OnGetServerDescription] = List[I_OnUserInvite] = List[I_OnPostLocalTopicChange] = 1;
        List[I_OnWallops] = List[I_OnUserNotice] = List[I_OnUserMessage] = List[I_OnBackgroundTimer] = 1;
        List[I_OnUserJoin] = List[I_OnChangeHost] = List[I_OnChangeName] = List[I_OnUserPart] = List[I_OnUserConnect] = 1;
        List[I_OnUserQuit] = List[I_OnUserPostNick] = List[I_OnUserKick] = List[I_OnRemoteKill] = List[I_OnRehash] = 1;
        List[I_OnOper] = List[I_OnAddGLine] = List[I_OnAddZLine] = List[I_OnAddQLine] = List[I_OnAddELine] = 1;
        List[I_OnDelGLine] = List[I_OnDelZLine] = List[I_OnDelQLine] = List[I_OnDelELine] = List[I_ProtoSendMode] = List[I_OnMode] = 1;
        List[I_OnStats] = List[I_ProtoSendMetaData] = List[I_OnEvent] = List[I_OnSetAway] = List[I_OnCancelAway] = List[I_OnPostCommand] = 1;
}

/* It is IMPORTANT that m_spanningtree is the last module in the chain
 * so that any activity it sees is FINAL, e.g. we arent going to send out
 * a NICK message before m_cloaking has finished putting the +x on the user,
 * etc etc.
 * Therefore, we return PRIORITY_LAST to make sure we end up at the END of
 * the module call queue.
 */
Priority ModuleSpanningTree::Prioritize()
{
        return PRIORITY_LAST;
}

MODULE_INIT(ModuleSpanningTree)