Hide NetworkTemplate details, buffered stats I/O.

Move template matching to builder methods instead of exposing the
internal constants.  Also rule to match Ethernet usage.  Buffer
reading and writing of network stats, making operations 5x faster.

Change-Id: Iedb2d0ab3b26a976811c050f84a164e909eb74b6
This commit is contained in:
Jeff Sharkey
2011-07-14 20:37:37 -07:00
parent 9a3b109182
commit 1bb88919c7
2 changed files with 65 additions and 19 deletions

View File

@@ -18,6 +18,7 @@ package android.net;
import static android.net.ConnectivityManager.TYPE_WIFI;
import static android.net.ConnectivityManager.TYPE_WIMAX;
import static android.net.ConnectivityManager.TYPE_ETHERNET;
import static android.net.ConnectivityManager.isNetworkTypeMobile;
import static android.telephony.TelephonyManager.NETWORK_CLASS_2_G;
import static android.telephony.TelephonyManager.NETWORK_CLASS_3_G;
@@ -38,41 +39,69 @@ import com.android.internal.util.Objects;
*/
public class NetworkTemplate implements Parcelable {
/** {@hide} */
public static final int MATCH_MOBILE_ALL = 1;
/** {@hide} */
public static final int MATCH_MOBILE_3G_LOWER = 2;
/** {@hide} */
public static final int MATCH_MOBILE_4G = 3;
/** {@hide} */
public static final int MATCH_WIFI = 4;
/** {@hide} */
public static final int MATCH_ETHERNET = 5;
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together. Only uses statistics for requested IMSI.
*/
public static final int MATCH_MOBILE_ALL = 1;
public static NetworkTemplate buildTemplateMobileAll(String subscriberId) {
return new NetworkTemplate(MATCH_MOBILE_ALL, subscriberId);
}
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together that roughly meet a "3G" definition, or lower. Only
* uses statistics for requested IMSI.
*/
public static final int MATCH_MOBILE_3G_LOWER = 2;
public static NetworkTemplate buildTemplateMobile3gLower(String subscriberId) {
return new NetworkTemplate(MATCH_MOBILE_3G_LOWER, subscriberId);
}
/**
* Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style
* networks together that meet a "4G" definition. Only uses statistics for
* requested IMSI.
*/
public static final int MATCH_MOBILE_4G = 3;
public static NetworkTemplate buildTemplateMobile4g(String subscriberId) {
return new NetworkTemplate(MATCH_MOBILE_4G, subscriberId);
}
/**
* Template to combine all {@link ConnectivityManager#TYPE_WIFI} style
* networks together.
*/
public static final int MATCH_WIFI = 4;
public static NetworkTemplate buildTemplateWifi() {
return new NetworkTemplate(MATCH_WIFI, null);
}
final int mMatchRule;
final String mSubscriberId;
/**
* Template to combine all {@link ConnectivityManager#TYPE_ETHERNET} style
* networks together.
*/
public static NetworkTemplate buildTemplateEthernet() {
return new NetworkTemplate(MATCH_ETHERNET, null);
}
private final int mMatchRule;
private final String mSubscriberId;
/** {@hide} */
public NetworkTemplate(int matchRule, String subscriberId) {
this.mMatchRule = matchRule;
this.mSubscriberId = subscriberId;
}
public NetworkTemplate(Parcel in) {
private NetworkTemplate(Parcel in) {
mMatchRule = in.readInt();
mSubscriberId = in.readString();
}
@@ -110,10 +139,12 @@ public class NetworkTemplate implements Parcelable {
return false;
}
/** {@hide} */
public int getMatchRule() {
return mMatchRule;
}
/** {@hide} */
public String getSubscriberId() {
return mSubscriberId;
}
@@ -131,6 +162,8 @@ public class NetworkTemplate implements Parcelable {
return matchesMobile4g(ident);
case MATCH_WIFI:
return matchesWifi(ident);
case MATCH_ETHERNET:
return matchesEthernet(ident);
default:
throw new IllegalArgumentException("unknown network template");
}
@@ -190,7 +223,17 @@ public class NetworkTemplate implements Parcelable {
return false;
}
public static String getMatchRuleName(int matchRule) {
/**
* Check if matches Ethernet network template.
*/
private boolean matchesEthernet(NetworkIdentity ident) {
if (ident.mType == TYPE_ETHERNET) {
return true;
}
return false;
}
private static String getMatchRuleName(int matchRule) {
switch (matchRule) {
case MATCH_MOBILE_3G_LOWER:
return "MOBILE_3G_LOWER";
@@ -200,6 +243,8 @@ public class NetworkTemplate implements Parcelable {
return "MOBILE_ALL";
case MATCH_WIFI:
return "WIFI";
case MATCH_ETHERNET:
return "ETHERNET";
default:
return "UNKNOWN";
}