#include "inspircd.h"
#include "xline.h"
+#include "listmode.h"
#include "treesocket.h"
#include "treeserver.h"
-#include "utils.h"
#include "main.h"
+#include "commands.h"
+#include "protocolinterface.h"
+
+/**
+ * Creates FMODE messages, used only when syncing channels
+ */
+class FModeBuilder : public CmdBuilder
+{
+ static const size_t maxline = 480;
+ std::string params;
+ unsigned int modes;
+ std::string::size_type startpos;
+
+ public:
+ FModeBuilder(Channel* chan)
+ : CmdBuilder("FMODE"), modes(0)
+ {
+ push(chan->name).push_int(chan->age).push_raw(" +");
+ startpos = str().size();
+ }
+
+ /** Add a mode to the message
+ */
+ void push_mode(const char modeletter, const std::string& mask)
+ {
+ push_raw(modeletter);
+ params.push_back(' ');
+ params.append(mask);
+ modes++;
+ }
+
+ /** Remove all modes from the message
+ */
+ void clear()
+ {
+ content.erase(startpos);
+ params.clear();
+ modes = 0;
+ }
+
+ /** Prepare the message for sending, next mode can only be added after clear()
+ */
+ const std::string& finalize()
+ {
+ return push_raw(params);
+ }
+
+ /** Returns true if the given mask can be added to the message, false if the message
+ * has no room for the mask
+ */
+ bool has_room(const std::string& mask) const
+ {
+ return ((str().size() + params.size() + mask.size() + 2 <= maxline) &&
+ (modes < ServerInstance->Config->Limits.MaxModes));
+ }
+
+ /** Returns true if this message is empty (has no modes)
+ */
+ bool empty() const
+ {
+ return (modes == 0);
+ }
+};
+
+struct TreeSocket::BurstState
+{
+ SpanningTreeProtocolInterface::Server server;
+ BurstState(TreeSocket* sock) : server(sock) { }
+};
/** This function is called when we want to send a netburst to a local
* server. There is a set order we must do this, because for example
*/
void TreeSocket::DoBurst(TreeServer* s)
{
- std::string servername = s->GetName();
ServerInstance->SNO->WriteToSnoMask('l',"Bursting to \2%s\2 (Authentication: %s%s).",
- servername.c_str(),
+ s->GetName().c_str(),
capab->auth_fingerprint ? "SSL Fingerprint and " : "",
capab->auth_challenge ? "challenge-response" : "plaintext password");
this->CleanNegotiationInfo();
/* send our version string */
this->WriteLine(":" + ServerInstance->Config->GetSID() + " VERSION :"+ServerInstance->GetVersionString());
/* Send server tree */
- this->SendServers(Utils->TreeRoot,s,1);
+ this->SendServers(Utils->TreeRoot, s);
+
+ BurstState bs(this);
/* Send users and their oper status */
- this->SendUsers();
- /* Send everything else (channel modes, xlines etc) */
- this->SendChannelModes();
+ this->SendUsers(bs);
+
+ const chan_hash& chans = ServerInstance->GetChans();
+ for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); ++i)
+ SyncChannel(i->second, bs);
+
this->SendXLines();
- FOREACH_MOD(I_OnSyncNetwork,OnSyncNetwork(Utils->Creator,(void*)this));
+ FOREACH_MOD(OnSyncNetwork, (bs.server));
this->WriteLine(":" + ServerInstance->Config->GetSID() + " ENDBURST");
ServerInstance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+ s->GetName()+"\2.");
}
-/** Recursively send the server tree with distances as hops.
+/** Recursively send the server tree.
* This is used during network burst to inform the other server
* (and any of ITS servers too) of what servers we know about.
* If at any point any of these servers already exist on the other
- * end, our connection may be terminated. The hopcounts given
- * by this function are relative, this doesn't matter so long as
- * they are all >1, as all the remote servers re-calculate them
- * to be relative too, with themselves as hop 0.
+ * end, our connection may be terminated.
+ * The hopcount parameter (3rd) is deprecated, and is always 0.
*/
-void TreeSocket::SendServers(TreeServer* Current, TreeServer* s, int hops)
+void TreeSocket::SendServers(TreeServer* Current, TreeServer* s)
{
- char command[MAXBUF];
- 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;
if (recursive_server != s)
{
- std::string recursive_servername = recursive_server->GetName();
- snprintf(command, MAXBUF, ":%s SERVER %s * %d %s :%s", Current->GetID().c_str(), recursive_servername.c_str(), hops,
- recursive_server->GetID().c_str(),
- recursive_server->GetDesc().c_str());
- this->WriteLine(command);
- this->WriteLine(":"+recursive_server->GetID()+" VERSION :"+recursive_server->GetVersion());
+ this->WriteLine(CommandServer::Builder(recursive_server));
+ this->WriteLine(":" + recursive_server->GetID() + " VERSION :" + recursive_server->GetVersion());
/* down to next level */
- this->SendServers(recursive_server, s, hops+1);
+ this->SendServers(recursive_server, s);
}
}
}
/** Send one or more FJOINs for a channel of users.
* If the length of a single line is more than 480-NICKMAX
* in length, it is split over multiple lines.
+ * Send one or more FMODEs for a channel with the
+ * channel bans, if there's any.
*/
void TreeSocket::SendFJoins(Channel* c)
{
- std::string buffer;
- char list[MAXBUF];
-
- size_t curlen, headlen;
- curlen = headlen = snprintf(list,MAXBUF,":%s FJOIN %s %lu +%s :",
- ServerInstance->Config->GetSID().c_str(), c->name.c_str(), (unsigned long)c->age, c->ChanModes(true));
- int numusers = 0;
- char* ptr = list + curlen;
- bool looped_once = false;
+ std::string line(":");
+ line.append(ServerInstance->Config->GetSID()).append(" FJOIN ").append(c->name).append(1, ' ').append(ConvToStr(c->age)).append(" +");
+ std::string::size_type erase_from = line.length();
+ line.append(c->ChanModes(true)).append(" :");
const UserMembList *ulist = c->GetUsers();
- std::string modes;
- std::string params;
-
- for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
- {
- size_t ptrlen = 0;
- std::string modestr = i->second->modes;
-
- if ((curlen + modestr.length() + i->first->uuid.length() + 4) > 480)
- {
- // remove the final space
- if (ptr[-1] == ' ')
- ptr[-1] = '\0';
- buffer.append(list).append("\r\n");
- curlen = headlen;
- ptr = list + headlen;
- numusers = 0;
- }
-
- ptrlen = snprintf(ptr, MAXBUF-curlen, "%s,%s ", modestr.c_str(), i->first->uuid.c_str());
-
- looped_once = true;
-
- curlen += ptrlen;
- ptr += ptrlen;
-
- numusers++;
- }
-
- // Okay, permanent channels will (of course) need this \r\n anyway, numusers check is if there
- // actually were people in the channel (looped_once == true)
- if (!looped_once || numusers > 0)
- {
- // remove the final space
- if (ptr[-1] == ' ')
- ptr[-1] = '\0';
- buffer.append(list).append("\r\n");
- }
- int linesize = 1;
- for (BanList::iterator b = c->bans.begin(); b != c->bans.end(); b++)
+ for (UserMembCIter i = ulist->begin(); i != ulist->end(); ++i)
{
- int size = b->data.length() + 2;
- int currsize = linesize + size;
- if (currsize <= 350)
+ const std::string& modestr = i->second->modes;
+ if ((line.length() + modestr.length() + UIDGenerator::UUID_LENGTH + 2) > 480)
{
- modes.append("b");
- params.append(" ").append(b->data);
- linesize += size;
- }
- if ((modes.length() >= ServerInstance->Config->Limits.MaxModes) || (currsize > 350))
- {
- /* Wrap at MAXMODES */
- buffer.append(":").append(ServerInstance->Config->GetSID()).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params).append("\r\n");
- modes.clear();
- params.clear();
- linesize = 1;
+ this->WriteLine(line);
+ line.erase(erase_from);
+ line.append(" :");
}
+ line.append(modestr).append(1, ',').append(i->first->uuid).push_back(' ');
}
-
- /* Only send these if there are any */
- if (!modes.empty())
- buffer.append(":").append(ServerInstance->Config->GetSID()).append(" FMODE ").append(c->name).append(" ").append(ConvToStr(c->age)).append(" +").append(modes).append(params);
-
- this->WriteLine(buffer);
+ this->WriteLine(line);
}
/** Send all XLines we know about */
void TreeSocket::SendXLines()
{
- char data[MAXBUF];
- std::string n = ServerInstance->Config->GetSID();
- const char* sn = n.c_str();
-
std::vector<std::string> types = ServerInstance->XLines->GetAllTypes();
- time_t current = ServerInstance->Time();
- for (std::vector<std::string>::iterator it = types.begin(); it != types.end(); ++it)
+ for (std::vector<std::string>::const_iterator it = types.begin(); it != types.end(); ++it)
{
+ /* Expired lines are removed in XLineManager::GetAll() */
XLineLookup* lookup = ServerInstance->XLines->GetAll(*it);
+ /* lookup cannot be NULL in this case but a check won't hurt */
if (lookup)
{
for (LookupIter i = lookup->begin(); i != lookup->end(); ++i)
if (!i->second->IsBurstable())
break;
- /* If it's expired, don't bother to burst it
- */
- if (i->second->duration && current > i->second->expiry)
- continue;
-
- snprintf(data,MAXBUF,":%s ADDLINE %s %s %s %lu %lu :%s",sn, it->c_str(), i->second->Displayable(),
- i->second->source.c_str(),
- (unsigned long)i->second->set_time,
- (unsigned long)i->second->duration,
- i->second->reason.c_str());
- this->WriteLine(data);
+ this->WriteLine(CommandAddLine::Builder(i->second));
}
}
}
}
-/** Send channel topic, modes and metadata */
-void TreeSocket::SendChannelModes()
+void TreeSocket::SendListModes(Channel* chan)
{
- char data[MAXBUF];
- std::string n = ServerInstance->Config->GetSID();
- const char* sn = n.c_str();
-
- for (chan_hash::iterator c = ServerInstance->chanlist->begin(); c != ServerInstance->chanlist->end(); c++)
+ FModeBuilder fmode(chan);
+ const ModeParser::ListModeList& listmodes = ServerInstance->Modes->GetListModes();
+ for (ModeParser::ListModeList::const_iterator i = listmodes.begin(); i != listmodes.end(); ++i)
{
- SendFJoins(c->second);
- if (!c->second->topic.empty())
+ ListModeBase* mh = *i;
+ ListModeBase::ModeList* list = mh->GetList(chan);
+ if (!list)
+ continue;
+
+ // Add all items on the list to the FMODE, send it whenever it becomes too long
+ const char modeletter = mh->GetModeChar();
+ for (ListModeBase::ModeList::const_iterator j = list->begin(); j != list->end(); ++j)
{
- snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s", sn, c->second->name.c_str(), (unsigned long)c->second->topicset, c->second->setby.c_str(), c->second->topic.c_str());
- this->WriteLine(data);
+ const std::string& mask = j->mask;
+ if (!fmode.has_room(mask))
+ {
+ // No room for this mask, send the current line as-is then add the mask to a
+ // new, empty FMODE message
+ this->WriteLine(fmode.finalize());
+ fmode.clear();
+ }
+ fmode.push_mode(modeletter, mask);
}
+ }
- for(Extensible::ExtensibleStore::const_iterator i = c->second->GetExtList().begin(); i != c->second->GetExtList().end(); i++)
- {
- ExtensionItem* item = i->first;
- std::string value = item->serialize(FORMAT_NETWORK, c->second, i->second);
- if (!value.empty())
- Utils->Creator->ProtoSendMetaData(this, c->second, item->name, value);
- }
+ if (!fmode.empty())
+ this->WriteLine(fmode.finalize());
+}
+
+/** Send channel topic, modes and metadata */
+void TreeSocket::SyncChannel(Channel* chan, BurstState& bs)
+{
+ SendFJoins(chan);
+
+ // If the topic was ever set, send it, even if it's empty now
+ // because a new empty topic should override an old non-empty topic
+ if (chan->topicset != 0)
+ this->WriteLine(CommandFTopic::Builder(chan));
+
+ SendListModes(chan);
- FOREACH_MOD(I_OnSyncChannel,OnSyncChannel(c->second,Utils->Creator,this));
+ for (Extensible::ExtensibleStore::const_iterator i = chan->GetExtList().begin(); i != chan->GetExtList().end(); i++)
+ {
+ ExtensionItem* item = i->first;
+ std::string value = item->serialize(FORMAT_NETWORK, chan, i->second);
+ if (!value.empty())
+ this->WriteLine(CommandMetadata::Builder(chan, item->name, value));
}
+
+ FOREACH_MOD(OnSyncChannel, (chan, bs.server));
+}
+
+void TreeSocket::SyncChannel(Channel* chan)
+{
+ BurstState bs(this);
+ SyncChannel(chan, bs);
}
/** send all users and their oper state/modes */
-void TreeSocket::SendUsers()
+void TreeSocket::SendUsers(BurstState& bs)
{
- char data[MAXBUF];
- std::string dataline;
+ ProtocolInterface::Server& piserver = bs.server;
for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++)
{
- if (u->second->registered == REG_ALL)
- {
- TreeServer* theirserver = Utils->FindServer(u->second->server);
- if (theirserver)
- {
- snprintf(data,MAXBUF,":%s UID %s %lu %s %s %s %s %s %lu +%s :%s",
- theirserver->GetID().c_str(), /* Prefix: SID */
- u->second->uuid.c_str(), /* 0: UUID */
- (unsigned long)u->second->age, /* 1: TS */
- u->second->nick.c_str(), /* 2: Nick */
- u->second->host.c_str(), /* 3: Displayed Host */
- u->second->dhost.c_str(), /* 4: Real host */
- u->second->ident.c_str(), /* 5: Ident */
- u->second->GetIPString().c_str(), /* 6: IP string */
- (unsigned long)u->second->signon, /* 7: Signon time for WHOWAS */
- u->second->FormatModes(true), /* 8...n: Modes and params */
- u->second->fullname.c_str()); /* size-1: GECOS */
- this->WriteLine(data);
- if (IS_OPER(u->second))
- {
- snprintf(data,MAXBUF,":%s OPERTYPE %s", u->second->uuid.c_str(), u->second->oper->name.c_str());
- this->WriteLine(data);
- }
- if (IS_AWAY(u->second))
- {
- snprintf(data,MAXBUF,":%s AWAY %ld :%s", u->second->uuid.c_str(), (long)u->second->awaytime, u->second->awaymsg.c_str());
- this->WriteLine(data);
- }
- }
+ User* user = u->second;
+ if (user->registered != REG_ALL)
+ continue;
- for(Extensible::ExtensibleStore::const_iterator i = u->second->GetExtList().begin(); i != u->second->GetExtList().end(); i++)
- {
- ExtensionItem* item = i->first;
- std::string value = item->serialize(FORMAT_NETWORK, u->second, i->second);
- if (!value.empty())
- Utils->Creator->ProtoSendMetaData(this, u->second, item->name, value);
- }
+ this->WriteLine(CommandUID::Builder(user));
+
+ if (user->IsOper())
+ this->WriteLine(CommandOpertype::Builder(user));
+
+ if (user->IsAway())
+ this->WriteLine(CommandAway::Builder(user));
- FOREACH_MOD(I_OnSyncUser,OnSyncUser(u->second,Utils->Creator,this));
+ const Extensible::ExtensibleStore& exts = user->GetExtList();
+ for (Extensible::ExtensibleStore::const_iterator i = exts.begin(); i != exts.end(); ++i)
+ {
+ ExtensionItem* item = i->first;
+ std::string value = item->serialize(FORMAT_NETWORK, u->second, i->second);
+ if (!value.empty())
+ this->WriteLine(CommandMetadata::Builder(user, item->name, value));
}
+
+ FOREACH_MOD(OnSyncUser, (user, piserver));
}
}
-
projects / user / henk / code / inspircd.git / blobdiff