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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "Limber/Server/ServerStanzaRouter.h"
#include "Limber/Server/ServerSession.h"
#include <cassert>
#include <algorithm>
#include <Swiften/Base/Algorithm.h>
namespace Swift {
namespace {
struct PriorityLessThan {
bool operator()(const ServerSession* s1, const ServerSession* s2) const {
return s1->getPriority() < s2->getPriority();
}
};
struct HasJID {
HasJID(const JID& jid) : jid(jid) {}
bool operator()(const ServerSession* session) const {
return session->getJID().equals(jid, JID::WithResource);
}
JID jid;
};
}
ServerStanzaRouter::ServerStanzaRouter() {
}
bool ServerStanzaRouter::routeStanza(boost::shared_ptr<Stanza> stanza) {
JID to = stanza->getTo();
assert(to.isValid());
// For a full JID, first try to route to a session with the full JID
if (!to.isBare()) {
std::vector<ServerSession*>::const_iterator i = std::find_if(clientSessions_.begin(), clientSessions_.end(), HasJID(to));
if (i != clientSessions_.end()) {
(*i)->sendStanza(stanza);
return true;
}
}
// Look for candidate sessions
to = to.toBare();
std::vector<ServerSession*> candidateSessions;
for (std::vector<ServerSession*>::const_iterator i = clientSessions_.begin(); i != clientSessions_.end(); ++i) {
if ((*i)->getJID().equals(to, JID::WithoutResource) && (*i)->getPriority() >= 0) {
candidateSessions.push_back(*i);
}
}
if (candidateSessions.empty()) {
return false;
}
// Find the session with the highest priority
std::vector<ServerSession*>::const_iterator i = std::max_element(clientSessions_.begin(), clientSessions_.end(), PriorityLessThan());
(*i)->sendStanza(stanza);
return true;
}
void ServerStanzaRouter::addClientSession(ServerSession* clientSession) {
clientSessions_.push_back(clientSession);
}
void ServerStanzaRouter::removeClientSession(ServerSession* clientSession) {
erase(clientSessions_, clientSession);
}
}
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