Add external dependency API.
An APN will not be connected to if some external dependency is not met.
bug:3486704
Change-Id: I7d94df343b260013efd11faa978deb13f07f1389
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 26f375d..b541ec3 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -690,4 +690,16 @@
return null;
}
}
+
+ /**
+ * @param networkType The network who's dependence has changed
+ * @param met Boolean - true if network use is ok, false if not
+ * {@hide}
+ */
+ public void setDataDependency(int networkType, boolean met) {
+ try {
+ mService.setDataDependency(networkType, met);
+ } catch (RemoteException e) {
+ }
+ }
}
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 70ab4f1..8be492c 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -92,4 +92,6 @@
void setGlobalProxy(in ProxyProperties p);
ProxyProperties getProxy();
+
+ void setDataDependency(int networkType, boolean met);
}
diff --git a/core/java/android/net/NetworkConfig.java b/core/java/android/net/NetworkConfig.java
new file mode 100644
index 0000000..4adb76b
--- /dev/null
+++ b/core/java/android/net/NetworkConfig.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+package android.net;
+
+import android.util.Log;
+
+/**
+ * Describes the buildtime configuration of a network.
+ * Holds settings read from resources.
+ * @hide
+ */
+public class NetworkConfig {
+ /**
+ * Human readable string
+ */
+ public String name;
+
+ /**
+ * Type from ConnectivityManager
+ */
+ public int type;
+
+ /**
+ * the radio number from radio attributes config
+ */
+ public int radio;
+
+ /**
+ * higher number == higher priority when turning off connections
+ */
+ public int priority;
+
+ /**
+ * indicates the boot time dependencyMet setting
+ */
+ public boolean dependencyMet;
+
+ /**
+ * input string from config.xml resource. Uses the form:
+ * [Connection name],[ConnectivityManager connection type],
+ * [associated radio-type],[priority],[dependencyMet]
+ */
+ public NetworkConfig(String init) {
+ String fragments[] = init.split(",");
+ name = fragments[0].trim().toLowerCase();
+ type = Integer.parseInt(fragments[1]);
+ radio = Integer.parseInt(fragments[2]);
+ priority = Integer.parseInt(fragments[3]);
+ if (fragments.length > 4) {
+ dependencyMet = Boolean.parseBoolean(fragments[4]);
+ } else {
+ dependencyMet = true;
+ }
+ }
+
+ /**
+ * Indicates if this network is supposed to be default-routable
+ */
+ public boolean isDefault() {
+ return (type == radio);
+ }
+}
diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java
index f170cb7..d3349cc 100644
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -27,6 +27,7 @@
import android.net.IConnectivityManager;
import android.net.LinkProperties;
import android.net.MobileDataStateTracker;
+import android.net.NetworkConfig;
import android.net.NetworkInfo;
import android.net.NetworkStateTracker;
import android.net.NetworkUtils;
@@ -188,6 +189,14 @@
private static final int EVENT_APPLY_GLOBAL_HTTP_PROXY =
MAX_NETWORK_STATE_TRACKER_EVENT + 9;
+ /**
+ * used internally to set external dependency met/unmet
+ * arg1 = ENABLED (met) or DISABLED (unmet)
+ * arg2 = NetworkType
+ */
+ private static final int EVENT_SET_DEPENDENCY_MET =
+ MAX_NETWORK_STATE_TRACKER_EVENT + 10;
+
private Handler mHandler;
// list of DeathRecipients used to make sure features are turned off when
@@ -216,28 +225,7 @@
private SettingsObserver mSettingsObserver;
- private static class NetworkAttributes {
- /**
- * Class for holding settings read from resources.
- */
- public String mName;
- public int mType;
- public int mRadio;
- public int mPriority;
- public NetworkInfo.State mLastState;
- public NetworkAttributes(String init) {
- String fragments[] = init.split(",");
- mName = fragments[0].toLowerCase();
- mType = Integer.parseInt(fragments[1]);
- mRadio = Integer.parseInt(fragments[2]);
- mPriority = Integer.parseInt(fragments[3]);
- mLastState = NetworkInfo.State.UNKNOWN;
- }
- public boolean isDefault() {
- return (mType == mRadio);
- }
- }
- NetworkAttributes[] mNetAttributes;
+ NetworkConfig[] mNetConfigs;
int mNetworksDefined;
private static class RadioAttributes {
@@ -304,7 +292,7 @@
mNetworkPreference = getPersistedNetworkPreference();
mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1];
- mNetAttributes = new NetworkAttributes[ConnectivityManager.MAX_NETWORK_TYPE+1];
+ mNetConfigs = new NetworkConfig[ConnectivityManager.MAX_NETWORK_TYPE+1];
// Load device network attributes from resources
String[] raStrings = context.getResources().getStringArray(
@@ -327,13 +315,13 @@
com.android.internal.R.array.networkAttributes);
for (String naString : naStrings) {
try {
- NetworkAttributes n = new NetworkAttributes(naString);
+ NetworkConfig n = new NetworkConfig(naString);
if (n.mType > ConnectivityManager.MAX_NETWORK_TYPE) {
loge("Error in networkAttributes - ignoring attempt to define type " +
n.mType);
continue;
}
- if (mNetAttributes[n.mType] != null) {
+ if (mNetConfigs[n.mType] != null) {
loge("Error in networkAttributes - ignoring attempt to redefine type " +
n.mType);
continue;
@@ -343,7 +331,7 @@
"radio " + n.mRadio + " in network type " + n.mType);
continue;
}
- mNetAttributes[n.mType] = n;
+ mNetConfigs[n.mType] = n;
mNetworksDefined++;
} catch(Exception e) {
// ignore it - leave the entry null
@@ -357,7 +345,7 @@
int currentLowest = 0;
int nextLowest = 0;
while (insertionPoint > -1) {
- for (NetworkAttributes na : mNetAttributes) {
+ for (NetworkConfig na : mNetConfigs) {
if (na == null) continue;
if (na.mPriority < currentLowest) continue;
if (na.mPriority > currentLowest) {
@@ -392,7 +380,7 @@
* to change very often.
*/
for (int netType : mPriorityList) {
- switch (mNetAttributes[netType].mRadio) {
+ switch (mNetConfigs[netType].mRadio) {
case ConnectivityManager.TYPE_WIFI:
if (DBG) log("Starting Wifi Service.");
WifiStateTracker wst = new WifiStateTracker();
@@ -408,12 +396,12 @@
break;
case ConnectivityManager.TYPE_MOBILE:
mNetTrackers[netType] = new MobileDataStateTracker(netType,
- mNetAttributes[netType].mName);
+ mNetConfigs[netType].mName);
mNetTrackers[netType].startMonitoring(context, mHandler);
break;
case ConnectivityManager.TYPE_DUMMY:
mNetTrackers[netType] = new DummyDataStateTracker(netType,
- mNetAttributes[netType].mName);
+ mNetConfigs[netType].mName);
mNetTrackers[netType].startMonitoring(context, mHandler);
break;
case ConnectivityManager.TYPE_BLUETOOTH:
@@ -422,7 +410,7 @@
break;
default:
loge("Trying to create a DataStateTracker for an unknown radio type " +
- mNetAttributes[netType].mRadio);
+ mNetConfigs[netType].mRadio);
continue;
}
}
@@ -469,8 +457,8 @@
private void handleSetNetworkPreference(int preference) {
if (ConnectivityManager.isNetworkTypeValid(preference) &&
- mNetAttributes[preference] != null &&
- mNetAttributes[preference].isDefault()) {
+ mNetConfigs[preference] != null &&
+ mNetConfigs[preference].isDefault()) {
if (mNetworkPreference != preference) {
final ContentResolver cr = mContext.getContentResolver();
Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE, preference);
@@ -539,7 +527,7 @@
public NetworkInfo getActiveNetworkInfo() {
enforceAccessPermission();
for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) {
- if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) {
+ if (mNetConfigs[type] == null || !mNetConfigs[type].isDefault()) {
continue;
}
NetworkStateTracker t = mNetTrackers[type];
@@ -585,7 +573,7 @@
public LinkProperties getActiveLinkProperties() {
enforceAccessPermission();
for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) {
- if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) {
+ if (mNetConfigs[type] == null || !mNetConfigs[type].isDefault()) {
continue;
}
NetworkStateTracker t = mNetTrackers[type];
@@ -687,7 +675,7 @@
}
enforceChangePermission();
if (!ConnectivityManager.isNetworkTypeValid(networkType) ||
- mNetAttributes[networkType] == null) {
+ mNetConfigs[networkType] == null) {
return Phone.APN_REQUEST_FAILED;
}
@@ -999,6 +987,24 @@
return retVal;
}
+ public void setDataDependency(int networkType, boolean met) {
+ enforceChangePermission();
+ if (DBG) {
+ log("setDataDependency(" + networkType + ", " + met + ")");
+ }
+ mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_DEPENDENCY_MET,
+ (met ? ENABLED : DISABLED), networkType));
+ }
+
+ private void handleSetDependencyMet(int networkType, boolean met) {
+ if (mNetTrackers[networkType] != null) {
+ if (DBG) {
+ log("handleSetDependencyMet(" + networkType + ", " + met + ")");
+ }
+ mNetTrackers[networkType].setDependencyMet(met);
+ }
+ }
+
/**
* @see ConnectivityManager#setMobileDataEnabled(boolean)
*/
@@ -1007,7 +1013,7 @@
if (DBG) log("setMobileDataEnabled(" + enabled + ")");
mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_MOBILE_DATA,
- (enabled ? ENABLED : DISABLED), 0));
+ (enabled ? ENABLED : DISABLED), 0));
}
private void handleSetMobileData(boolean enabled) {
@@ -1068,7 +1074,7 @@
* getting the disconnect for a network that we explicitly disabled
* in accordance with network preference policies.
*/
- if (!mNetAttributes[prevNetType].isDefault()) {
+ if (!mNetConfigs[prevNetType].isDefault()) {
List pids = mNetRequestersPids[prevNetType];
for (int i = 0; i<pids.size(); i++) {
Integer pid = (Integer)pids.get(i);
@@ -1093,7 +1099,7 @@
info.getExtraInfo());
}
- if (mNetAttributes[prevNetType].isDefault()) {
+ if (mNetConfigs[prevNetType].isDefault()) {
tryFailover(prevNetType);
if (mActiveDefaultNetwork != -1) {
NetworkInfo switchTo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo();
@@ -1123,7 +1129,7 @@
* Try to reconnect on all available and let them hash it out when
* more than one connects.
*/
- if (mNetAttributes[prevNetType].isDefault()) {
+ if (mNetConfigs[prevNetType].isDefault()) {
if (mActiveDefaultNetwork == prevNetType) {
mActiveDefaultNetwork = -1;
}
@@ -1133,12 +1139,12 @@
// TODO - don't filter by priority now - nice optimization but risky
// int currentPriority = -1;
// if (mActiveDefaultNetwork != -1) {
-// currentPriority = mNetAttributes[mActiveDefaultNetwork].mPriority;
+// currentPriority = mNetConfigs[mActiveDefaultNetwork].mPriority;
// }
for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) {
if (checkType == prevNetType) continue;
- if (mNetAttributes[checkType] == null) continue;
- if (!mNetAttributes[checkType].isDefault()) continue;
+ if (mNetConfigs[checkType] == null) continue;
+ if (!mNetConfigs[checkType].isDefault()) continue;
// Enabling the isAvailable() optimization caused mobile to not get
// selected if it was in the middle of error handling. Specifically
@@ -1150,7 +1156,7 @@
// complete before it is really complete.
// if (!mNetTrackers[checkType].isAvailable()) continue;
-// if (currentPriority >= mNetAttributes[checkType].mPriority) continue;
+// if (currentPriority >= mNetConfigs[checkType].mPriority) continue;
NetworkStateTracker checkTracker = mNetTrackers[checkType];
NetworkInfo checkInfo = checkTracker.getNetworkInfo();
@@ -1223,7 +1229,7 @@
info.setFailover(false);
}
- if (mNetAttributes[info.getType()].isDefault()) {
+ if (mNetConfigs[info.getType()].isDefault()) {
tryFailover(info.getType());
if (mActiveDefaultNetwork != -1) {
NetworkInfo switchTo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo();
@@ -1276,11 +1282,11 @@
// if this is a default net and other default is running
// kill the one not preferred
- if (mNetAttributes[type].isDefault()) {
+ if (mNetConfigs[type].isDefault()) {
if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) {
if ((type != mNetworkPreference &&
- mNetAttributes[mActiveDefaultNetwork].mPriority >
- mNetAttributes[type].mPriority) ||
+ mNetConfigs[mActiveDefaultNetwork].mPriority >
+ mNetConfigs[type].mPriority) ||
mNetworkPreference == mActiveDefaultNetwork) {
// don't accept this one
if (DBG) {
@@ -1344,14 +1350,14 @@
handleDnsConfigurationChange(netType);
if (mNetTrackers[netType].getNetworkInfo().isConnected()) {
- if (mNetAttributes[netType].isDefault()) {
+ if (mNetConfigs[netType].isDefault()) {
handleApplyDefaultProxy(netType);
addDefaultRoute(mNetTrackers[netType]);
} else {
addPrivateDnsRoutes(mNetTrackers[netType]);
}
} else {
- if (mNetAttributes[netType].isDefault()) {
+ if (mNetConfigs[netType].isDefault()) {
removeDefaultRoute(mNetTrackers[netType]);
} else {
removePrivateDnsRoutes(mNetTrackers[netType]);
@@ -1512,7 +1518,7 @@
{
if (DBG) log("reassessPidDns for pid " + myPid);
for(int i : mPriorityList) {
- if (mNetAttributes[i].isDefault()) {
+ if (mNetConfigs[i].isDefault()) {
continue;
}
NetworkStateTracker nt = mNetTrackers[i];
@@ -1594,7 +1600,7 @@
if (p == null) return;
Collection<InetAddress> dnses = p.getDnses();
boolean changed = false;
- if (mNetAttributes[netType].isDefault()) {
+ if (mNetConfigs[netType].isDefault()) {
int j = 1;
if (dnses.size() == 0 && mDefaultDns != null) {
String dnsString = mDefaultDns.getHostAddress();
@@ -1725,23 +1731,6 @@
info = (NetworkInfo) msg.obj;
int type = info.getType();
NetworkInfo.State state = info.getState();
- // only do this optimization for wifi. It going into scan mode for location
- // services generates alot of noise. Meanwhile the mms apn won't send out
- // subsequent notifications when on default cellular because it never
- // disconnects.. so only do this to wifi notifications. Fixed better when the
- // APN notifications are standardized.
- if (mNetAttributes[type].mLastState == state &&
- mNetAttributes[type].mRadio == ConnectivityManager.TYPE_WIFI) {
- if (DBG) {
- // TODO - remove this after we validate the dropping doesn't break
- // anything
- log("Dropping ConnectivityChange for " +
- info.getTypeName() + ": " +
- state + "/" + info.getDetailedState());
- }
- return;
- }
- mNetAttributes[type].mLastState = state;
if (DBG) log("ConnectivityChange for " +
info.getTypeName() + ": " +
@@ -1780,8 +1769,7 @@
break;
case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED:
info = (NetworkInfo) msg.obj;
- type = info.getType();
- handleConnectivityChange(type);
+ handleConnectivityChange(info.getType());
break;
case EVENT_CLEAR_NET_TRANSITION_WAKELOCK:
String causedBy = null;
@@ -1835,6 +1823,13 @@
case EVENT_APPLY_GLOBAL_HTTP_PROXY:
{
handleDeprecatedGlobalHttpProxy();
+ break;
+ }
+ case EVENT_SET_DEPENDENCY_MET:
+ {
+ boolean met = (msg.arg1 == ENABLED);
+ handleSetDependencyMet(msg.arg2, met);
+ break;
}
}
}