Examples with DhcpResults android.net.DhcpResults used on opensource projects

Example 1 with DhcpResults

use of android.net.DhcpResults in project android_frameworks_base by ParanoidAndroid.

the class DhcpStateMachine method runDhcp.

private boolean runDhcp(DhcpAction dhcpAction) {
    boolean success = false;
    DhcpResults dhcpResults = new DhcpResults();
    if (dhcpAction == DhcpAction.START) {
        /* Stop any existing DHCP daemon before starting new */
        NetworkUtils.stopDhcp(mInterfaceName);
        if (DBG)
            Log.d(TAG, "DHCP request on " + mInterfaceName);
        success = NetworkUtils.runDhcp(mInterfaceName, dhcpResults);
    } else if (dhcpAction == DhcpAction.RENEW) {
        if (DBG)
            Log.d(TAG, "DHCP renewal on " + mInterfaceName);
        success = NetworkUtils.runDhcpRenew(mInterfaceName, dhcpResults);
        if (success)
            dhcpResults.updateFromDhcpRequest(mDhcpResults);
    }
    if (success) {
        if (DBG)
            Log.d(TAG, "DHCP succeeded on " + mInterfaceName);
        //int to long conversion
        long leaseDuration = dhcpResults.leaseDuration;
        //Sanity check for renewal
        if (leaseDuration >= 0) {
            //bad and that the device cannot renew below MIN_RENEWAL_TIME_SECS
            if (leaseDuration < MIN_RENEWAL_TIME_SECS) {
                leaseDuration = MIN_RENEWAL_TIME_SECS;
            }
            //Do it a bit earlier than half the lease duration time
            //to beat the native DHCP client and avoid extra packets
            //48% for one hour lease time = 29 minutes
            mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + //in milliseconds
            leaseDuration * 480, mDhcpRenewalIntent);
        } else {
        //infinite lease time, no renewal needed
        }
        mDhcpResults = dhcpResults;
        mController.obtainMessage(CMD_POST_DHCP_ACTION, DHCP_SUCCESS, 0, dhcpResults).sendToTarget();
    } else {
        Log.e(TAG, "DHCP failed on " + mInterfaceName + ": " + NetworkUtils.getDhcpError());
        NetworkUtils.stopDhcp(mInterfaceName);
        mController.obtainMessage(CMD_POST_DHCP_ACTION, DHCP_FAILURE, 0).sendToTarget();
    }
    return success;
}

Example 2 with DhcpResults

use of android.net.DhcpResults in project android_frameworks_base by ResurrectionRemix.

the class DhcpPacketTest method testBug2136.

@SmallTest
public void testBug2136() throws Exception {
    final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray(// Ethernet header.
    "bcf5ac000000d0c7890000000800" + // IP header.
    "4500014c00000000ff119beac3eaf3880a3f5d04" + // UDP header. TODO: fix invalid checksum (due to MAC address obfuscation).
    "0043004401387574" + // BOOTP header.
    "0201060163339a3000050000000000000a209ecd0000000000000000" + // MAC address.
    "bcf5ac00000000000000000000000000" + // Server name.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // File.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // Options.
    "6382536335010236040a20ff80330400001c200104fffff00003040a20900106089458413494584135" + "0f0b6c616e63732e61632e756b000000000000000000ff00000000"));
    DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L2);
    assertTrue(offerPacket instanceof DhcpOfferPacket);
    assertEquals("BCF5AC000000", HexDump.toHexString(offerPacket.getClientMac()));
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertDhcpResults("10.32.158.205/20", "10.32.144.1", "148.88.65.52,148.88.65.53", "lancs.ac.uk", "10.32.255.128", null, 7200, false, 0, dhcpResults);
}

Example 3 with DhcpResults

use of android.net.DhcpResults in project android_frameworks_base by ResurrectionRemix.

the class DhcpPacketTest method testPadAndOverloadedOptionsOffer.

@SmallTest
public void testPadAndOverloadedOptionsOffer() throws Exception {
    // A packet observed in the real world that is interesting for two reasons:
    //
    // 1. It uses pad bytes, which we previously didn't support correctly.
    // 2. It uses DHCP option overloading, which we don't currently support (but it doesn't
    //    store any information in the overloaded fields).
    //
    // For now, we just check that it parses correctly.
    final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray(// Ethernet header.
    "b4cef6000000e80462236e300800" + // IP header.
    "4500014c00000000ff11741701010101ac119876" + // UDP header. TODO: fix invalid checksum (due to MAC address obfuscation).
    "004300440138ae5a" + // BOOTP header.
    "020106000fa0059f0000000000000000ac1198760000000000000000" + // MAC address.
    "b4cef600000000000000000000000000" + // Server name.
    "ff00000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // File.
    "ff00000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // Options
    "638253633501023604010101010104ffff000033040000a8c03401030304ac1101010604ac110101" + "0000000000000000000000000000000000000000000000ff000000"));
    DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L2);
    assertTrue(offerPacket instanceof DhcpOfferPacket);
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertDhcpResults("172.17.152.118/16", "172.17.1.1", "172.17.1.1", null, "1.1.1.1", null, 43200, false, 0, dhcpResults);
}

Example 4 with DhcpResults

use of android.net.DhcpResults in project android_frameworks_base by ResurrectionRemix.

the class DhcpPacketTest method testBug2111.

@SmallTest
public void testBug2111() throws Exception {
    final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray(// IP header.
    "4500014c00000000ff119beac3eaf3880a3f5d04" + // UDP header. TODO: fix invalid checksum (due to MAC address obfuscation).
    "0043004401387464" + // BOOTP header.
    "0201060002554812000a0000000000000a3f5d040000000000000000" + // MAC address.
    "00904c00000000000000000000000000" + // Server name.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // File.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // Options.
    "638253633501023604c00002fe33040000bfc60104fffff00003040a3f50010608c0000201c0000202" + "0f0f646f6d61696e3132332e636f2e756b0000000000ff00000000"));
    DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L3);
    assertTrue(offerPacket instanceof DhcpOfferPacket);
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertDhcpResults("10.63.93.4/20", "10.63.80.1", "192.0.2.1,192.0.2.2", "domain123.co.uk", "192.0.2.254", null, 49094, false, 0, dhcpResults);
}

Example 5 with DhcpResults

use of android.net.DhcpResults in project android_frameworks_base by ResurrectionRemix.

the class DhcpPacketTest method testOffer1.

@SmallTest
public void testOffer1() throws Exception {
    // TODO: Turn all of these into golden files. This will probably require modifying
    // Android.mk appropriately, making this into an AndroidTestCase, and adding code to read
    // the golden files from the test APK's assets via mContext.getAssets().
    final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray(// IP header.
    "451001480000000080118849c0a89003c0a89ff7" + // UDP header.
    "004300440134dcfa" + // BOOTP header.
    "02010600c997a63b0000000000000000c0a89ff70000000000000000" + // MAC address.
    "30766ff2a90c00000000000000000000" + // Server name.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // File.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // Options
    "638253633501023604c0a89003330400001c200104fffff0000304c0a89ffe06080808080808080404" + "3a0400000e103b040000189cff00000000000000000000"));
    DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L3);
    // Implicitly checks it's non-null.
    assertTrue(offerPacket instanceof DhcpOfferPacket);
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertDhcpResults("192.168.159.247/20", "192.168.159.254", "8.8.8.8,8.8.4.4", null, "192.168.144.3", null, 7200, false, 0, dhcpResults);
}