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/Property.cpp b/nexus/Property.cpp
new file mode 100644
index 0000000..d02769d
--- /dev/null
+++ b/nexus/Property.cpp
@@ -0,0 +1,203 @@
+/*
+ * 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 <stdlib.h>
+#include <errno.h>
+#include <strings.h>
+#include <netinet/in.h>
+
+#define LOG_TAG "Property"
+
+#include <cutils/log.h>
+
+#include "Property.h"
+
+Property::Property(const char *name, bool readOnly,
+                   int type, int numElements) :
+          mName(name), mReadOnly(readOnly), mType(type),
+          mNumElements(numElements) {
+    if (index(name, '.')) {
+        LOGW("Property name %s violates namespace rules", name);
+    }
+}
+
+StringProperty::StringProperty(const char *name, bool ro, int elements) :
+                Property(name, ro, Property::Type_STRING, elements) {
+}
+int StringProperty::set(int idx, int value) {
+    LOGE("Integer 'set' called on string property!");
+    errno = EINVAL;
+    return -1;
+}
+int StringProperty::set(int idx, struct in_addr *value) {
+    LOGE("IpAddr 'set' called on string property!");
+    errno = EINVAL;
+    return -1;
+}
+int StringProperty::get(int idx, int *buffer) {
+    LOGE("Integer 'get' called on string property!");
+    errno = EINVAL;
+    return -1;
+}
+int StringProperty::get(int idx, struct in_addr *buffer) {
+    LOGE("IpAddr 'get' called on string property!");
+    errno = EINVAL;
+    return -1;
+}
+
+StringPropertyHelper::StringPropertyHelper(const char *name, bool ro,
+                                           char *buffer, size_t max) :
+                      StringProperty(name, ro, 1) {
+    mBuffer = buffer;
+    mMax = max;
+}
+
+int StringPropertyHelper::set(int idx, const char *value) {
+    if (idx != 0) {
+        LOGW("Attempt to use array index on StringPropertyHelper::set");
+        errno = EINVAL;
+        return -1;
+    }
+    strncpy(mBuffer, value, mMax);
+    return 0;
+}
+
+int StringPropertyHelper::get(int idx, char *buffer, size_t max) {
+    if (idx != 0) {
+        LOGW("Attempt to use array index on StringPropertyHelper::get");
+        errno = EINVAL;
+        return -1;
+    }
+    strncpy(buffer, mBuffer, max);
+    return 0;
+}
+ 
+IntegerProperty::IntegerProperty(const char *name, bool ro, int elements) :
+                Property(name, ro, Property::Type_INTEGER, elements) {
+}
+
+int IntegerProperty::set(int idx, const char *value) {
+    LOGE("String 'set' called on integer property!");
+    errno = EINVAL;
+    return -1;
+}
+int IntegerProperty::set(int idx, struct in_addr *value) {
+    LOGE("IpAddr 'set' called on integer property!");
+    errno = EINVAL;
+    return -1;
+}
+int IntegerProperty::get(int idx, char *buffer, size_t max) {
+    LOGE("String 'get' called on integer property!");
+    errno = EINVAL;
+    return -1;
+}
+int IntegerProperty::get(int idx, struct in_addr *buffer) {
+    LOGE("IpAddr 'get' called on integer property!");
+    errno = EINVAL;
+    return -1;
+}
+
+IntegerPropertyHelper::IntegerPropertyHelper(const char *name, bool ro,
+                                             int *buffer) :
+                       IntegerProperty(name, ro, 1) {
+    mBuffer = buffer;
+}
+
+int IntegerPropertyHelper::set(int idx, int value) {
+    if (idx != 0) {
+        LOGW("Attempt to use array index on IntegerPropertyHelper::set");
+        errno = EINVAL;
+        return -1;
+    }
+    *mBuffer = value;
+    return 0;
+}
+
+int IntegerPropertyHelper::get(int idx, int *buffer) {
+    if (idx != 0) {
+        LOGW("Attempt to use array index on IntegerPropertyHelper::get");
+        errno = EINVAL;
+        return -1;
+    }
+    *buffer = *mBuffer;
+    return 0;
+}
+
+IPV4AddressProperty::IPV4AddressProperty(const char *name, bool ro, int elements) :
+                Property(name, ro, Property::Type_IPV4, elements) {
+}
+
+int IPV4AddressProperty::set(int idx, const char *value) {
+    LOGE("String 'set' called on ipv4 property!");
+    errno = EINVAL;
+    return -1;
+}
+int IPV4AddressProperty::set(int idx, int value) {
+    LOGE("Integer 'set' called on ipv4 property!");
+    errno = EINVAL;
+    return -1;
+}
+int IPV4AddressProperty::get(int idx, char *buffer, size_t max) {
+    LOGE("String 'get' called on ipv4 property!");
+    errno = EINVAL;
+    return -1;
+}
+int IPV4AddressProperty::get(int idx, int *buffer) {
+    LOGE("Integer 'get' called on ipv4 property!");
+    errno = EINVAL;
+    return -1;
+}
+
+IPV4AddressPropertyHelper::IPV4AddressPropertyHelper(const char *name, bool ro,
+                                                     struct in_addr *buffer) :
+                       IPV4AddressProperty(name, ro, 1) {
+    mBuffer = buffer;
+}
+
+int IPV4AddressPropertyHelper::set(int idx, struct in_addr *value) {
+    if (idx != 0) {
+        LOGW("Attempt to use array index on IPV4AddressPropertyHelper::set");
+        errno = EINVAL;
+        return -1;
+    }
+    memcpy(mBuffer, value, sizeof(struct in_addr));
+    return 0;
+}
+
+int IPV4AddressPropertyHelper::get(int idx, struct in_addr *buffer) {
+    if (idx != 0) {
+        LOGW("Attempt to use array index on IPV4AddressPropertyHelper::get");
+        errno = EINVAL;
+        return -1;
+    }
+    memcpy(buffer, mBuffer, sizeof(struct in_addr));
+    return 0;
+}
+
+PropertyNamespace::PropertyNamespace(const char *name) {
+    mName = strdup(name);
+    mProperties = new PropertyCollection();
+}
+
+PropertyNamespace::~PropertyNamespace() {
+    PropertyCollection::iterator it;
+    for (it = mProperties->begin(); it != mProperties->end();) {
+        delete (*it);
+        it = mProperties->erase(it);
+    }
+    delete mProperties;
+    free(mName);
+}