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

Example 41 with DhcpResults

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

the class DhcpPacket method toDhcpResults.

/**
     *  Construct a DhcpResults object from a DHCP reply packet.
     */
public DhcpResults toDhcpResults() {
    Inet4Address ipAddress = mYourIp;
    if (ipAddress.equals(Inet4Address.ANY)) {
        ipAddress = mClientIp;
        if (ipAddress.equals(Inet4Address.ANY)) {
            return null;
        }
    }
    int prefixLength;
    if (mSubnetMask != null) {
        try {
            prefixLength = NetworkUtils.netmaskToPrefixLength(mSubnetMask);
        } catch (IllegalArgumentException e) {
            // Non-contiguous netmask.
            return null;
        }
    } else {
        prefixLength = NetworkUtils.getImplicitNetmask(ipAddress);
    }
    DhcpResults results = new DhcpResults();
    try {
        results.ipAddress = new LinkAddress(ipAddress, prefixLength);
    } catch (IllegalArgumentException e) {
        return null;
    }
    if (mGateways.size() > 0) {
        results.gateway = mGateways.get(0);
    }
    results.dnsServers.addAll(mDnsServers);
    results.domains = mDomainName;
    results.serverAddress = mServerIdentifier;
    results.vendorInfo = mVendorInfo;
    results.leaseDuration = (mLeaseTime != null) ? mLeaseTime : INFINITE_LEASE;
    results.mtu = (mMtu != null && MIN_MTU <= mMtu && mMtu <= MAX_MTU) ? mMtu : 0;
    return results;
}

Example 42 with DhcpResults

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

the class DhcpPacketTest method testMultipleRouters.

@SmallTest
public void testMultipleRouters() throws Exception {
    final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray(// Ethernet header.
    "fc3d93000000" + "081735000000" + "0800" + // IP header.
    "45000148c2370000ff117ac2c0a8bd02ffffffff" + // UDP header. TODO: fix invalid checksum (due to MAC address obfuscation).
    "0043004401343beb" + // BOOTP header.
    "0201060027f518e20000800000000000c0a8bd310000000000000000" + // MAC address.
    "fc3d9300000000000000000000000000" + // Server name.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // File.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // Options.
    "638253633501023604c0abbd023304000070803a04000038403b04000062700104ffffff00" + "0308c0a8bd01ffffff0006080808080808080404ff000000000000"));
    DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L2);
    assertTrue(offerPacket instanceof DhcpOfferPacket);
    assertEquals("FC3D93000000", HexDump.toHexString(offerPacket.getClientMac()));
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertDhcpResults("192.168.189.49/24", "192.168.189.1", "8.8.8.8,8.8.4.4", null, "192.171.189.2", null, 28800, false, 0, dhcpResults);
}

Example 43 with DhcpResults

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

the class IpManager method handleIPv4Success.

private void handleIPv4Success(DhcpResults dhcpResults) {
    mDhcpResults = new DhcpResults(dhcpResults);
    final LinkProperties newLp = assembleLinkProperties();
    final ProvisioningChange delta = setLinkProperties(newLp);
    if (VDBG) {
        Log.d(mTag, "onNewDhcpResults(" + Objects.toString(dhcpResults) + ")");
    }
    mCallback.onNewDhcpResults(dhcpResults);
    dispatchCallback(delta, newLp);
}

Example 44 with DhcpResults

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

the class DhcpPacket method toDhcpResults.

/**
     *  Construct a DhcpResults object from a DHCP reply packet.
     */
public DhcpResults toDhcpResults() {
    Inet4Address ipAddress = mYourIp;
    if (ipAddress.equals(Inet4Address.ANY)) {
        ipAddress = mClientIp;
        if (ipAddress.equals(Inet4Address.ANY)) {
            return null;
        }
    }
    int prefixLength;
    if (mSubnetMask != null) {
        try {
            prefixLength = NetworkUtils.netmaskToPrefixLength(mSubnetMask);
        } catch (IllegalArgumentException e) {
            // Non-contiguous netmask.
            return null;
        }
    } else {
        prefixLength = NetworkUtils.getImplicitNetmask(ipAddress);
    }
    DhcpResults results = new DhcpResults();
    try {
        results.ipAddress = new LinkAddress(ipAddress, prefixLength);
    } catch (IllegalArgumentException e) {
        return null;
    }
    if (mGateways.size() > 0) {
        results.gateway = mGateways.get(0);
    }
    results.dnsServers.addAll(mDnsServers);
    results.domains = mDomainName;
    results.serverAddress = mServerIdentifier;
    results.vendorInfo = mVendorInfo;
    results.leaseDuration = (mLeaseTime != null) ? mLeaseTime : INFINITE_LEASE;
    results.mtu = (mMtu != null && MIN_MTU <= mMtu && mMtu <= MAX_MTU) ? mMtu : 0;
    return results;
}

Example 45 with DhcpResults

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

the class DhcpPacketTest method testOffer2.

@SmallTest
public void testOffer2() throws Exception {
    final ByteBuffer packet = ByteBuffer.wrap(HexDump.hexStringToByteArray(// IP header.
    "450001518d0600004011144dc0a82b01c0a82bf7" + // UDP header.
    "00430044013d9ac7" + // BOOTP header.
    "02010600dfc23d1f0002000000000000c0a82bf7c0a82b0100000000" + // MAC address.
    "30766ff2a90c00000000000000000000" + // Server name.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // File.
    "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000000000000" + // Options
    "638253633501023604c0a82b01330400000e103a04000007083b0400000c4e0104ffffff00" + "1c04c0a82bff0304c0a82b010604c0a82b012b0f414e44524f49445f4d455445524544ff"));
    assertEquals(337, packet.limit());
    DhcpPacket offerPacket = DhcpPacket.decodeFullPacket(packet, ENCAP_L3);
    // Implicitly checks it's non-null.
    assertTrue(offerPacket instanceof DhcpOfferPacket);
    DhcpResults dhcpResults = offerPacket.toDhcpResults();
    assertDhcpResults("192.168.43.247/24", "192.168.43.1", "192.168.43.1", null, "192.168.43.1", "ANDROID_METERED", 3600, true, 0, dhcpResults);
    assertTrue(dhcpResults.hasMeteredHint());
}