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Add MTU to command line utils

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This commit is contained in:
zzz
2016-10-21 22:23:48 +00:00
parent dc523b78d4
commit f436fd08ed
2 changed files with 12 additions and 5 deletions
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1
router/java/src/net/i2p/router/CommandLine.java
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@@ -22,6 +22,7 @@ public class CommandLine extends net.i2p.util.CommandLine {
"net.i2p.router.peermanager.ProfileOrganizer", "net.i2p.router.peermanager.ProfileOrganizer",
"net.i2p.router.tasks.CryptoChecker", "net.i2p.router.tasks.CryptoChecker",
"net.i2p.router.transport.GeoIPv6", "net.i2p.router.transport.GeoIPv6",
"net.i2p.router.transport.udp.MTU",
//"net.i2p.router.transport.UPnP" //"net.i2p.router.transport.UPnP"
}); });

16
router/java/src/net/i2p/router/transport/udp/MTU.java
View File

@@ -13,12 +13,18 @@ import net.i2p.util.SystemVersion;
/** /**
* Get the MTU for the network interface of an address. * Get the MTU for the network interface of an address.
* Not available until Java 6 / Android API 9. * Not available until Java 6 / Android API 9.
* @since 0.9.2 *
* Public only for command line test.
* Not for external use, not a public API.
*
* @since 0.9.2. public since 0.9.27
*/ */
abstract class MTU { public class MTU {
private static final boolean hasMTU = SystemVersion.isJava6(); private static final boolean hasMTU = SystemVersion.isJava6();
private MTU() {};
/** /**
* The MTU for the socket interface, if available. * The MTU for the socket interface, if available.
* Not available for Java 5. * Not available for Java 5.
@@ -100,8 +106,8 @@ abstract class MTU {
return Math.max(PeerState.MIN_MTU, Math.min(PeerState.LARGE_MTU, rv)); return Math.max(PeerState.MIN_MTU, Math.min(PeerState.LARGE_MTU, rv));
} }
/****
public static void main(String args[]) { public static void main(String args[]) {
/****
System.out.println("Cmd line interfaces:"); System.out.println("Cmd line interfaces:");
for (int i = 0; i < args.length; i++) { for (int i = 0; i < args.length; i++) {
try { try {
@@ -112,6 +118,7 @@ abstract class MTU {
} }
} }
System.out.println("All interfaces:"); System.out.println("All interfaces:");
****/
try { try {
Enumeration<NetworkInterface> ifcs = NetworkInterface.getNetworkInterfaces(); Enumeration<NetworkInterface> ifcs = NetworkInterface.getNetworkInterfaces();
if (ifcs != null) { if (ifcs != null) {
@@ -119,7 +126,7 @@ abstract class MTU {
NetworkInterface ifc = ifcs.nextElement(); NetworkInterface ifc = ifcs.nextElement();
for(Enumeration<InetAddress> addrs = ifc.getInetAddresses(); addrs.hasMoreElements();) { for(Enumeration<InetAddress> addrs = ifc.getInetAddresses(); addrs.hasMoreElements();) {
InetAddress addr = addrs.nextElement(); InetAddress addr = addrs.nextElement();
System.out.println("MTU of " + addr.getHostAddress() + " is " + getMTU(addr)); System.out.println("I2P MTU for " + addr.getHostAddress() + " is " + getMTU(addr));
} }
} }
} }
@@ -127,5 +134,4 @@ abstract class MTU {
System.out.println("no interfaces"); System.out.println("no interfaces");
} }
} }
****/
} }