nexus: Rollup update for nexus

nexus: Change field separator from : to ' '

Signed-off-by: San Mehat <san@google.com>

nexus: Add some prototypes for stuff to come

Signed-off-by: San Mehat <san@google.com>

nexus: Add some TODOs

Signed-off-by: San Mehat <san@google.com>

libsysutils: Put a proper token parser into the FrameworkListener which
supports minimal \ escapes and quotes

Signed-off-by: San Mehat <san@google.com>

nexus: Fix a lot of bugs

Signed-off-by: San Mehat <san@google.com>

libsysutils: Remove some debugging
Signed-off-by: San Mehat <san@google.com>

nexus: Send broadcasts for supplicant state changes

Signed-off-by: San Mehat <san@google.com>

nexus: Plumb DHCP listener state changes to NetworkManager

Signed-off-by: San Mehat <san@google.com>

nexus: Make the SupplicantState strings more parsable

Signed-off-by: San Mehat <san@google.com>

nexus: Broadcast a message when dhcp state changes.

Signed-off-by: San Mehat <san@google.com>

nexus: Add a few new response codes

Signed-off-by: San Mehat <san@google.com>

nexus: Rename ErrorCode -> ResponseCode

Signed-off-by: San Mehat <san@google.com>

nexus: Add DHCP event broadcasting. Also adds the framework for
tracking supplicant 'searching-for-AP' state

Signed-off-by: San Mehat <san@google.com>

nexus: REmove WifiScanner

Signed-off-by: San Mehat <san@google.com>

nexus: Change the way scanning works. scanmode can now be selected
independantly of triggering a scan. Also adds rxfilter support

Signed-off-by: San Mehat <san@google.com>

nexus: Add support for configuring bluetooth coexistence scanning and modes

Signed-off-by: San Mehat <san@google.com>

nexus: use case insensitive match for property names

Signed-off-by: San Mehat <san@google.com>

nexus: Rollup of a bunch of stuff:
    - 'list' command now takes an argument to match against
    - InterfaceConfig has been moved into the Controller base (for now)
    - DhcpClient now has some rudimentry locking
    - process 'ADDRINFO' messages from dhcpcd
    - Drop tertiary dns

Signed-off-by: San Mehat <san@google.com>

nexus: Clean up some of the supplicant variable parsing and add 'wifi.current'

Signed-off-by: San Mehat <san@google.com>

nexus: Add driver-stop/start, initial suspend support

Signed-off-by: San Mehat <san@google.com>

nexus: Add Controller suspend/resume callbacks, as well as locking

Signed-off-by: San Mehat <san@google.com>

nexus: Make ARP probing configurable for DhcpClient

Signed-off-by: San Mehat <san@google.com>

nexus: Add linkspeed / rssi retrieval

Signed-off-by: San Mehat <san@google.com>

nexus: Add WifiStatusPoller to track RSSI/linkspeed when associated

Signed-off-by: San Mehat <san@google.com>

nexus: Disable some debugging and add 'wifi.netcount' property

Signed-off-by: San Mehat <san@google.com>

nexus: Replace the hackish property system with something more flexible with namespaces

Signed-off-by: San Mehat <san@google.com>

libsysutils: Fix a few bugs in SocketListener

Signed-off-by: San Mehat <san@google.com>

nexus: PropertyManager: Add array support

Signed-off-by: San Mehat <san@google.com>

nexus: Clean up properties
Signed-off-by: San Mehat <san@google.com>

nexus: WifiController: Change name of 'CurrentNetwork' property

Signed-off-by: San Mehat <san@google.com>
diff --git a/nexus/DhcpEvent.cpp b/nexus/DhcpEvent.cpp
new file mode 100644
index 0000000..58893f4
--- /dev/null
+++ b/nexus/DhcpEvent.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+
+#define LOG_TAG "DhcpEvent"
+#include <cutils/log.h>
+
+#include "DhcpEvent.h"
+
+char *DhcpEvent::toString(int val, char *buffer, int max) {
+    if (val == DhcpEvent::UNKNOWN)
+        strncpy(buffer, "UNKNOWN", max);
+    else if (val == DhcpEvent::STOP)
+        strncpy(buffer, "STOP", max);
+    else if (val == DhcpEvent::RENEW)
+        strncpy(buffer, "RENEW", max);
+    else if (val == DhcpEvent::RELEASE)
+        strncpy(buffer, "RELEASE", max);
+    else if (val == DhcpEvent::TIMEOUT)
+        strncpy(buffer, "TIMEOUT", max);
+    else
+        strncpy(buffer, "(internal error)", max);
+
+    return buffer;
+}
+
+int DhcpEvent::parseString(const char *buffer) {
+    if (!strcasecmp(buffer, "UNKNOWN"))
+        return DhcpEvent::UNKNOWN;
+    else if (!strcasecmp(buffer, "STOP"))
+        return DhcpEvent::STOP;
+    else if (!strcasecmp(buffer, "RENEW"))
+        return DhcpEvent::RENEW;
+    else if (!strcasecmp(buffer, "RELEASE"))
+        return DhcpEvent::RELEASE;
+    else if (!strcasecmp(buffer, "TIMEOUT"))
+        return DhcpEvent::TIMEOUT;
+    else {
+        LOGW("Bad event '%s'", buffer);
+        return -1;
+    }
+}