2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
6 * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
8 * This file is part of InspIRCd. InspIRCd is free software: you can
9 * redistribute it and/or modify it under the terms of the GNU General Public
10 * License as published by the Free Software Foundation, version 2.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
26 #include "treesocket.h"
27 #include "treeserver.h"
31 /** This function is called when we want to send a netburst to a local
32 * server. There is a set order we must do this, because for example
33 * users require their servers to exist, and channels require their
34 * users to exist. You get the idea.
36 void TreeSocket::DoBurst(TreeServer* s)
38 ServerInstance->SNO->WriteToSnoMask('l',"Bursting to \2%s\2 (Authentication: %s%s).",
40 capab->auth_fingerprint ? "SSL Fingerprint and " : "",
41 capab->auth_challenge ? "challenge-response" : "plaintext password");
42 this->CleanNegotiationInfo();
43 this->WriteLine(":" + ServerInstance->Config->GetSID() + " BURST " + ConvToStr(ServerInstance->Time()));
44 /* send our version string */
45 this->WriteLine(":" + ServerInstance->Config->GetSID() + " VERSION :"+ServerInstance->GetVersionString());
46 /* Send server tree */
47 this->SendServers(Utils->TreeRoot, s);
48 /* Send users and their oper status */
51 for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); ++i)
52 SyncChannel(i->second);
55 FOREACH_MOD(OnSyncNetwork, (Utils->Creator,(void*)this));
56 this->WriteLine(":" + ServerInstance->Config->GetSID() + " ENDBURST");
57 ServerInstance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+ s->GetName()+"\2.");
60 /** Recursively send the server tree.
61 * This is used during network burst to inform the other server
62 * (and any of ITS servers too) of what servers we know about.
63 * If at any point any of these servers already exist on the other
64 * end, our connection may be terminated.
65 * The hopcount parameter (3rd) is deprecated, and is always 0.
67 void TreeSocket::SendServers(TreeServer* Current, TreeServer* s)
69 const TreeServer::ChildServers& children = Current->GetChildren();
70 for (TreeServer::ChildServers::const_iterator i = children.begin(); i != children.end(); ++i)
72 TreeServer* recursive_server = *i;
73 if (recursive_server != s)
75 this->WriteLine(CommandServer::Builder(recursive_server));
76 this->WriteLine(":" + recursive_server->GetID() + " VERSION :" + recursive_server->GetVersion());
77 /* down to next level */
78 this->SendServers(recursive_server, s);
83 /** Send one or more FJOINs for a channel of users.
84 * If the length of a single line is more than 480-NICKMAX
85 * in length, it is split over multiple lines.
86 * Send one or more FMODEs for a channel with the
87 * channel bans, if there's any.
89 void TreeSocket::SendFJoins(Channel* c)
91 std::string line(":");
92 line.append(ServerInstance->Config->GetSID()).append(" FJOIN ").append(c->name).append(1, ' ').append(ConvToStr(c->age)).append(" +");
93 std::string::size_type erase_from = line.length();
94 line.append(c->ChanModes(true)).append(" :");
96 const UserMembList *ulist = c->GetUsers();
98 for (UserMembCIter i = ulist->begin(); i != ulist->end(); ++i)
100 const std::string& modestr = i->second->modes;
101 if ((line.length() + modestr.length() + UIDGenerator::UUID_LENGTH + 2) > 480)
103 this->WriteLine(line);
104 line.erase(erase_from);
107 line.append(modestr).append(1, ',').append(i->first->uuid).push_back(' ');
109 this->WriteLine(line);
111 ChanModeReference ban(NULL, "ban");
112 static_cast<ListModeBase*>(*ban)->DoSyncChannel(c, Utils->Creator, this);
115 /** Send all XLines we know about */
116 void TreeSocket::SendXLines()
118 std::vector<std::string> types = ServerInstance->XLines->GetAllTypes();
120 for (std::vector<std::string>::const_iterator it = types.begin(); it != types.end(); ++it)
122 /* Expired lines are removed in XLineManager::GetAll() */
123 XLineLookup* lookup = ServerInstance->XLines->GetAll(*it);
125 /* lookup cannot be NULL in this case but a check won't hurt */
128 for (LookupIter i = lookup->begin(); i != lookup->end(); ++i)
130 /* Is it burstable? this is better than an explicit check for type 'K'.
131 * We break the loop as NONE of the items in this group are worth iterating.
133 if (!i->second->IsBurstable())
136 this->WriteLine(CommandAddLine::Builder(i->second));
142 /** Send channel topic, modes and metadata */
143 void TreeSocket::SyncChannel(Channel* chan)
147 // If the topic was ever set, send it, even if it's empty now
148 // because a new empty topic should override an old non-empty topic
149 if (chan->topicset != 0)
150 this->WriteLine(CommandFTopic::Builder(chan));
152 for (Extensible::ExtensibleStore::const_iterator i = chan->GetExtList().begin(); i != chan->GetExtList().end(); i++)
154 ExtensionItem* item = i->first;
155 std::string value = item->serialize(FORMAT_NETWORK, chan, i->second);
157 Utils->Creator->ProtoSendMetaData(this, chan, item->name, value);
160 FOREACH_MOD(OnSyncChannel, (chan, Utils->Creator, this));
163 /** send all users and their oper state/modes */
164 void TreeSocket::SendUsers()
166 for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++)
168 User* user = u->second;
169 if (user->registered != REG_ALL)
172 this->WriteLine(CommandUID::Builder(user));
175 this->WriteLine(CommandOpertype::Builder(user));
178 this->WriteLine(CommandAway::Builder(user));
180 const Extensible::ExtensibleStore& exts = user->GetExtList();
181 for (Extensible::ExtensibleStore::const_iterator i = exts.begin(); i != exts.end(); ++i)
183 ExtensionItem* item = i->first;
184 std::string value = item->serialize(FORMAT_NETWORK, u->second, i->second);
186 Utils->Creator->ProtoSendMetaData(this, u->second, item->name, value);
189 FOREACH_MOD(OnSyncUser, (user, Utils->Creator, this));