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authorArne Schwabe <arne@rfc2549.org>2014-02-17 23:34:08 +0100
committerArne Schwabe <arne@rfc2549.org>2014-02-17 23:34:08 +0100
commit2d76e87f32131574081c2c25b3f3bb48bf1338b8 (patch)
treece0f91bec87d92318a9d4a5ebb6f70d6c4a04e3e /main/src
parentc1e421e95ee9589cf90d85767d4fd2c0af8c8e5d (diff)
Further optimization of route calculation
Diffstat (limited to 'main/src')
-rw-r--r--main/src/main/java/de/blinkt/openvpn/core/NetworkSpace.java62
-rw-r--r--main/src/main/java/de/blinkt/openvpn/core/OpenVpnService.java20
2 files changed, 51 insertions, 31 deletions
diff --git a/main/src/main/java/de/blinkt/openvpn/core/NetworkSpace.java b/main/src/main/java/de/blinkt/openvpn/core/NetworkSpace.java
index 54470962..6e27c0cb 100644
--- a/main/src/main/java/de/blinkt/openvpn/core/NetworkSpace.java
+++ b/main/src/main/java/de/blinkt/openvpn/core/NetworkSpace.java
@@ -32,8 +32,6 @@ public class NetworkSpace {
return 0;
else
return 1;
-
-
}
public ipAddress(CIDRIP ip, boolean include) {
@@ -171,70 +169,82 @@ public class NetworkSpace {
}
TreeSet<ipAddress> generateIPList() {
- TreeSet<ipAddress> ipsSorted = new TreeSet<ipAddress>(mIpAddresses);
- Iterator<ipAddress> it = ipsSorted.iterator();
- ipAddress currentNet = null;
- if (it.hasNext())
- currentNet = it.next();
- while (it.hasNext()) {
+ PriorityQueue<ipAddress> networks = new PriorityQueue<ipAddress>(mIpAddresses);
+
+ TreeSet<ipAddress> ipsDone = new TreeSet<ipAddress>();
+
+ ipAddress currentNet = networks.poll();
+ if (currentNet==null)
+ return ipsDone;
+
+ while (currentNet!=null) {
// Check if it and the next of it are compatbile
- ipAddress nextNet = it.next();
+ ipAddress nextNet = networks.poll();
assert currentNet != null;
- if (currentNet.getLastAddress().compareTo(nextNet.getFirstAddress()) == -1) {
+ if (nextNet== null || currentNet.getLastAddress().compareTo(nextNet.getFirstAddress()) == -1) {
// Everything good, no overlapping nothing to do
+ ipsDone.add(currentNet);
+
currentNet = nextNet;
} else {
// This network is smaller or equal to the next but has the same base address
if (currentNet.getFirstAddress().equals(nextNet.getFirstAddress()) && currentNet.networkMask >= nextNet.networkMask) {
if (currentNet.included == nextNet.included) {
- ipsSorted.remove(currentNet);
+ // Included in the next next and same type
+ // Simply forget our current network
+ currentNet=nextNet;
} else {
-
- // our currentnet is included in next and nextnet needs to be split
- ipsSorted.remove(nextNet);
+ // our currentnet is included in next and types differ. Need to split the next network
ipAddress[] newNets = nextNet.split();
+ // First add the second half to keep the order in networks
+ networks.add(newNets[1]);
+
if (newNets[0].getLastAddress().equals(currentNet.getLastAddress())) {
assert (newNets[0].networkMask == currentNet.networkMask);
// Don't add the lower half that would conflict with currentNet
} else {
- ipsSorted.add(newNets[0]);
+ networks.add(newNets[0]);
}
-
- ipsSorted.add(newNets[1]);
+ // Keep currentNet as is
}
} else {
assert (currentNet.networkMask < nextNet.networkMask);
assert (nextNet.getFirstAddress().compareTo(currentNet.getFirstAddress()) == 1);
- // This network is bigger than the next and last ip of current >= next
assert (currentNet.getLastAddress().compareTo(nextNet.getLastAddress()) != -1);
+ // This network is bigger than the next and last ip of current >= next
+
if (currentNet.included == nextNet.included) {
- ipsSorted.remove(nextNet);
+ // Next network is in included in our network with the same type,
+ // simply ignore the next and move on
} else {
- ipsSorted.remove(currentNet);
+ // We need to split our network
ipAddress[] newNets = currentNet.split();
- ipsSorted.add(newNets[0]);
if (newNets[1].networkMask == nextNet.networkMask) {
assert (newNets[1].getFirstAddress().equals(nextNet.getFirstAddress()));
assert (newNets[1].getLastAddress().equals(currentNet.getLastAddress()));
+ // Splitted second equal the next network, do not add it
+
+ networks.add(nextNet);
} else {
- ipsSorted.add(newNets[1]);
+ // Add the smaller network first
+ networks.add(newNets[1]);
+ networks.add(nextNet);
}
+ currentNet = newNets[0];
+
}
}
- // Reset iterator
- it = ipsSorted.iterator();
- currentNet = it.next();
}
}
- return ipsSorted;
+ return ipsDone;
}
Collection<ipAddress> getPositiveIPList() {
diff --git a/main/src/main/java/de/blinkt/openvpn/core/OpenVpnService.java b/main/src/main/java/de/blinkt/openvpn/core/OpenVpnService.java
index 9d6f767e..1e9e14f1 100644
--- a/main/src/main/java/de/blinkt/openvpn/core/OpenVpnService.java
+++ b/main/src/main/java/de/blinkt/openvpn/core/OpenVpnService.java
@@ -29,6 +29,7 @@ import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
+import java.util.Collection;
import java.util.HashMap;
import java.util.Locale;
import java.util.Vector;
@@ -419,8 +420,14 @@ public class OpenVpnService extends VpnService implements StateListener, Callbac
}
public ParcelFileDescriptor openTun() {
+
+ //Debug.startMethodTracing(getExternalFilesDir(null).toString() + "/opentun.trace", 40* 1024 * 1024);
+
Builder builder = new Builder();
+ VpnStatus.logInfo(R.string.last_openvpn_tun_config);
+
+
if (mLocalIP == null && mLocalIPv6 == null) {
VpnStatus.logError(getString(R.string.opentun_no_ipaddr));
return null;
@@ -458,8 +465,10 @@ public class OpenVpnService extends VpnService implements StateListener, Callbac
builder.setMtu(mMtu);
+ Collection<ipAddress> positiveIPv4Routes = mRoutes.getPositiveIPList();
+ Collection<ipAddress> positiveIPv6Routes = mRoutesv6.getPositiveIPList();
- for (NetworkSpace.ipAddress route : mRoutes.getPositiveIPList()) {
+ for (NetworkSpace.ipAddress route : positiveIPv4Routes) {
try {
builder.addRoute(route.getIPv4Address(), route.networkMask);
} catch (IllegalArgumentException ia) {
@@ -467,7 +476,7 @@ public class OpenVpnService extends VpnService implements StateListener, Callbac
}
}
- for (NetworkSpace.ipAddress route6 : mRoutesv6.getPositiveIPList()) {
+ for (NetworkSpace.ipAddress route6 : positiveIPv6Routes) {
try {
builder.addRoute(route6.getIPv6Address(), route6.networkMask);
} catch (IllegalArgumentException ia) {
@@ -478,12 +487,11 @@ public class OpenVpnService extends VpnService implements StateListener, Callbac
if (mDomain != null)
builder.addSearchDomain(mDomain);
- VpnStatus.logInfo(R.string.last_openvpn_tun_config);
VpnStatus.logInfo(R.string.local_ip_info, mLocalIP.mIp, mLocalIP.len, mLocalIPv6, mMtu);
VpnStatus.logInfo(R.string.dns_server_info, TextUtils.join(", ", mDnslist), mDomain);
VpnStatus.logInfo(R.string.routes_info_incl, TextUtils.join(", ", mRoutes.getNetworks(true)), TextUtils.join(", ", mRoutesv6.getNetworks(true)));
VpnStatus.logInfo(R.string.routes_info_excl, TextUtils.join(", ", mRoutes.getNetworks(false)),TextUtils.join(", ", mRoutesv6.getNetworks(false)));
- VpnStatus.logDebug(R.string.routes_debug, TextUtils.join(", ", mRoutes.getPositiveIPList()), TextUtils.join(", ", mRoutesv6.getPositiveIPList()));
+ VpnStatus.logDebug(R.string.routes_debug, TextUtils.join(", ", positiveIPv4Routes), TextUtils.join(", ", positiveIPv6Routes));
String session = mProfile.mName;
if (mLocalIP != null && mLocalIPv6 != null)
@@ -510,7 +518,9 @@ public class OpenVpnService extends VpnService implements StateListener, Callbac
builder.setConfigureIntent(getLogPendingIntent());
try {
- return builder.establish();
+ ParcelFileDescriptor tun = builder.establish();
+ //Debug.stopMethodTracing();
+ return tun;
} catch (Exception e) {
VpnStatus.logError(R.string.tun_open_error);
VpnStatus.logError(getString(R.string.error) + e.getLocalizedMessage());