* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
- * message authentication based on the methodes used by SRTP. It is
+ * message authentication based on the methods used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
*
*
- * Copyright (C) 2007-2008 Othmar Gsenger, Erwin Nindl,
+ * Copyright (C) 2007-2014 Markus Grüneis, Othmar Gsenger, Erwin Nindl,
* Christian Pointner <satp@wirdorange.org>
*
* This file is part of Anytun.
*
* Anytun is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
*
* Anytun is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with anytun. If not, see <http://www.gnu.org/licenses/>.
+ * along with Anytun. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the
+ * OpenSSL library under certain conditions as described in each
+ * individual source file, and distribute linked combinations
+ * including the two.
+ * You must obey the GNU General Public License in all respects
+ * for all of the code used other than OpenSSL. If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so. If you
+ * do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source
+ * files in the program, then also delete it here.
*/
+
#include "networkPrefix.h"
#include "threadUtils.hpp"
#include "datatypes.h"
#include "routingTable.h"
#include "routingTree.hpp"
-RoutingTable* RoutingTable::inst = NULL;
-Mutex RoutingTable::instMutex;
RoutingTable& gRoutingTable = RoutingTable::instance();
-
RoutingTable& RoutingTable::instance()
{
- Lock lock(instMutex);
- static instanceCleaner c;
- if(!inst)
- inst = new RoutingTable();
-
- return *inst;
+ static RoutingTable instance;
+ return instance;
}
RoutingTable::RoutingTable()
RoutingTable::~RoutingTable()
{
-}
+}
-void RoutingTable::updateRouteTreeUnlocked(const NetworkPrefix & pref)
+void RoutingTable::updateRouteTreeUnlocked(const NetworkPrefix& pref)
{
//Lock lock(mutex_); //deadlock
- u_int8_t length=pref.getNetworkPrefixLength();
- network_address_type_t type=pref.getNetworkAddressType();
- u_int16_t mux = routes_[pref.getNetworkAddressType()].find(pref)->second;
- RoutingTreeNode * node = &(root_[type]);
- if (type==ipv4)
- {
- ipv4_bytes_type bytes(pref.to_bytes_v4());
- if (length>32)
- length=32;
- RoutingTree::walk(bytes, node, length, mux);
- } else if (type==ipv6) {
- ipv6_bytes_type bytes(pref.to_bytes_v6());
- if (length>128)
- length=128;
- RoutingTree::walk(bytes, node, length, mux);
- } else if (type==ethernet) {
- ethernet_bytes_type bytes(pref.to_bytes_ethernet());
- if (length>48)
- length=48;
- RoutingTree::walk(bytes, node, length, mux);
- } else {
- AnytunError::throwErr() << "illegal protocol type";
- }
- //root_[type].print(0);
+ uint8_t length=pref.getNetworkPrefixLength();
+ network_address_type_t type=pref.getNetworkAddressType();
+ uint16_t mux = routes_[pref.getNetworkAddressType()].find(pref)->second;
+ RoutingTreeNode* node = &(root_[type]);
+ if(type==ipv4) {
+ ipv4_bytes_type bytes(pref.to_bytes_v4());
+ if(length>32) {
+ length=32;
+ }
+ RoutingTree::walk(bytes, node, length, mux);
+ } else if(type==ipv6) {
+ ipv6_bytes_type bytes(pref.to_bytes_v6());
+ if(length>128) {
+ length=128;
+ }
+ RoutingTree::walk(bytes, node, length, mux);
+ } else if(type==ethernet) {
+ ethernet_bytes_type bytes(pref.to_bytes_ethernet());
+ if(length>48) {
+ length=48;
+ }
+ RoutingTree::walk(bytes, node, length, mux);
+ } else {
+ AnytunError::throwErr() << "illegal protocol type";
+ }
+ //root_[type].print(0);
}
-void RoutingTable::addRoute(const NetworkPrefix & pref, u_int16_t mux)
+void RoutingTable::addRoute(const NetworkPrefix& pref, uint16_t mux)
{
Lock lock(mutex_);
-
- network_address_type_t type=pref.getNetworkAddressType();
- if (type==ipv4 || type==ipv6)
- {
+ network_address_type_t type=pref.getNetworkAddressType();
+
+ if(type==ipv4 || type==ipv6) {
std::pair<RoutingMap::iterator, bool> ret = routes_[type].insert(RoutingMap::value_type(pref,mux));
- if(!ret.second)
- {
+ if(!ret.second) {
routes_[pref.getNetworkAddressType()].erase(ret.first);
routes_[pref.getNetworkAddressType()].insert(RoutingMap::value_type(pref,mux));
}
- root_[pref.getNetworkAddressType()]=RoutingTreeNode();
- RoutingMap::iterator it = routes_[type].begin();
- for (;it!=routes_[pref.getNetworkAddressType()].end();++it)
- updateRouteTreeUnlocked(it->first);
- } else if (type==ethernet) {
+ root_[pref.getNetworkAddressType()]=RoutingTreeNode();
+ RoutingMap::iterator it = routes_[type].begin();
+ for(; it!=routes_[pref.getNetworkAddressType()].end(); ++it) {
+ updateRouteTreeUnlocked(it->first);
+ }
+ } else if(type==ethernet) {
return; // TODO: add support for ethernet
- } else {
- AnytunError::throwErr() << "illegal protocol type";
- }
+ } else {
+ AnytunError::throwErr() << "illegal protocol type";
+ }
}
-void RoutingTable::delRoute(const NetworkPrefix & pref )
+void RoutingTable::delRoute(const NetworkPrefix& pref)
{
Lock lock(mutex_);
-
- routes_[pref.getNetworkAddressType()].erase(routes_[pref.getNetworkAddressType()].find(pref));
+
+ routes_[pref.getNetworkAddressType()].erase(routes_[pref.getNetworkAddressType()].find(pref));
}
-u_int16_t RoutingTable::getRoute(const NetworkAddress & addr)
+uint16_t RoutingTable::getRoute(const NetworkAddress& addr)
{
- Lock lock(mutex_);
- network_address_type_t type=addr.getNetworkAddressType();
-
- if (routes_[type].empty())
- AnytunError::throwErr() << "no route";
-
- if (type==ipv4)
- {
- ipv4_bytes_type bytes(addr.to_bytes_v4());
- return RoutingTree::find(bytes, root_[type]);
- } else if (type==ipv6) {
- ipv6_bytes_type bytes(addr.to_bytes_v6());
- return RoutingTree::find(bytes, root_[type]);
- } else if (type==ethernet) {
- //TODO Our model wont fit to ethernet addresses well.
- // maybe use hashmap or something like that instead
- ethernet_bytes_type bytes(addr.to_bytes_ethernet());
- return RoutingTree::find(bytes, root_[type]);
- } else {
- AnytunError::throwErr() << "illegal protocol type";
- }
+ Lock lock(mutex_);
+ network_address_type_t type=addr.getNetworkAddressType();
+
+ if(routes_[type].empty()) {
+ AnytunError::throwErr() << "no route";
+ }
+
+ if(type==ipv4) {
+ ipv4_bytes_type bytes(addr.to_bytes_v4());
+ return RoutingTree::find(bytes, root_[type]);
+ } else if(type==ipv6) {
+ ipv6_bytes_type bytes(addr.to_bytes_v6());
+ return RoutingTree::find(bytes, root_[type]);
+ } else if(type==ethernet) {
+ //TODO Our model wont fit to ethernet addresses well.
+ // maybe use hashmap or something like that instead
+ ethernet_bytes_type bytes(addr.to_bytes_ethernet());
+ return RoutingTree::find(bytes, root_[type]);
+ } else {
+ AnytunError::throwErr() << "illegal protocol type";
+ }
return 0;
}
-u_int16_t* RoutingTable::getOrNewRoutingTEUnlocked(const NetworkPrefix & addr)
+uint16_t* RoutingTable::getOrNewRoutingTEUnlocked(const NetworkPrefix& addr)
{
RoutingMap::iterator it = routes_[addr.getNetworkAddressType()].find(addr);
- if(it!=routes_[addr.getNetworkAddressType()].end())
+ if(it!=routes_[addr.getNetworkAddressType()].end()) {
return &(it->second);
+ }
routes_[addr.getNetworkAddressType()].insert(RoutingMap::value_type(addr, 1));
it = routes_[addr.getNetworkAddressType()].find(addr);
return &(it->second);
}
-u_int16_t RoutingTable::getCountUnlocked(network_address_type_t type)
+uint16_t RoutingTable::getCountUnlocked(network_address_type_t type)
{
- RoutingMap::iterator it = routes_[type].begin();
- u_int16_t routes=0;
- for (;it!=routes_[type].end();++it)
- routes++;
- return routes;
+ RoutingMap::iterator it = routes_[type].begin();
+ uint16_t routes=0;
+ for(; it!=routes_[type].end(); ++it) {
+ routes++;
+ }
+ return routes;
}
RoutingMap::iterator RoutingTable::getBeginUnlocked(network_address_type_t type)
{
- return routes_[type].begin();
+ return routes_[type].begin();
}
RoutingMap::iterator RoutingTable::getEndUnlocked(network_address_type_t type)
{
- return routes_[type].end();
+ return routes_[type].end();
}
void RoutingTable::clear(network_address_type_t type)
{
Lock lock(mutex_);
- routes_[type].clear();
+ routes_[type].clear();
}
bool RoutingTable::empty(network_address_type_t type)
{
Lock lock(mutex_);
- return routes_[type].empty();
+ return routes_[type].empty();
}
Mutex& RoutingTable::getMutex()
projects / anytun.git / blobdiff