NetworkManagementService: Add interface counters & throttle API (91cac64c) · Commits · e / os / android_frameworks_base

core/java/android/os/INetworkManagementService.aidl

+32 −0

Original line number	Diff line number	Diff line
		@@ -179,4 +179,36 @@ interface INetworkManagementService
		* Set Access Point config
		*/
		void setAccessPoint(in WifiConfiguration wifiConfig, String wlanIface, String softapIface);

		/**
		* Read number of bytes sent over an interface
		*/
		long getInterfaceTxCounter(String iface);

		/**
		* Read number of bytes received over an interface
		*/
		long getInterfaceRxCounter(String iface);

		/**
		* Configures RX bandwidth throttling on an interface
		*/
		void setInterfaceRxThrottle(String iface, int kbps);

		/**
		* Configures TX bandwidth throttling on an interface
		*/
		void setInterfaceTxThrottle(String iface, int kbps);

		/**
		* Returns the currently configured RX throttle values
		* for the specified interface
		*/
		int getInterfaceRxThrottle(String iface);

		/**
		* Returns the currently configured TX throttle values
		* for the specified interface
		*/
		int getInterfaceTxThrottle(String iface);
		}

services/java/com/android/server/NetworkManagementService.java

+89 −0

Original line number	Diff line number	Diff line
		@@ -65,6 +65,10 @@ class NetworkManagementService extends INetworkManagementService.Stub {
		public static final int InterfaceGetCfgResult = 213;
		public static final int SoftapStatusResult = 214;
		public static final int UsbRNDISStatusResult = 215;
		public static final int InterfaceRxCounterResult = 216;
		public static final int InterfaceTxCounterResult = 217;
		public static final int InterfaceRxThrottleResult = 218;
		public static final int InterfaceTxThrottleResult = 219;

		public static final int InterfaceChange = 600;
		}
		@@ -524,4 +528,89 @@ class NetworkManagementService extends INetworkManagementService.Stub {
		mConnector.doCommand(str);
		}
		}

		private long getInterfaceCounter(String iface, boolean rx) {
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
		try {
		String rsp = mConnector.doCommand(
		String.format("interface read%scounter %s", (rx ? "rx" : "tx"), iface)).get(0);
		String []tok = rsp.split(" ");
		int code;
		try {
		code = Integer.parseInt(tok[0]);
		} catch (NumberFormatException nfe) {
		Slog.e(TAG, String.format("Error parsing code %s", tok[0]));
		return -1;
		}
		if ((rx && code != NetdResponseCode.InterfaceRxCounterResult) \|\| (
		!rx && code != NetdResponseCode.InterfaceTxCounterResult)) {
		Slog.e(TAG, String.format("Unexpected response code %d", code));
		return -1;
		}
		return Long.parseLong(tok[1]);
		} catch (Exception e) {
		Slog.e(TAG, String.format(
		"Failed to read interface %s counters", (rx ? "rx" : "tx")), e);
		}
		return -1;
		}

		public long getInterfaceRxCounter(String iface) {
		return getInterfaceCounter(iface, true);
		}

		public long getInterfaceTxCounter(String iface) {
		return getInterfaceCounter(iface, false);
		}

		private void setInterfaceThrottle(String iface, boolean rx, int kbps) {
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
		mConnector.doCommand(String.format(
		"interface setthrottle %s %s %d", iface, (rx ? "rx" : "tx"), kbps));
		}

		public void setInterfaceRxThrottle(String iface, int kbps) {
		setInterfaceThrottle(iface, true, kbps);
		}

		public void setInterfaceTxThrottle(String iface, int kbps) {
		setInterfaceThrottle(iface, false, kbps);
		}

		private int getInterfaceThrottle(String iface, boolean rx) {
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
		try {
		String rsp = mConnector.doCommand(
		String.format("interface getthrottle %s %s", iface,(rx ? "rx" : "tx"))).get(0);
		String []tok = rsp.split(" ");
		int code;
		try {
		code = Integer.parseInt(tok[0]);
		} catch (NumberFormatException nfe) {
		Slog.e(TAG, String.format("Error parsing code %s", tok[0]));
		return -1;
		}
		if ((rx && code != NetdResponseCode.InterfaceRxThrottleResult) \|\| (
		!rx && code != NetdResponseCode.InterfaceTxThrottleResult)) {
		Slog.e(TAG, String.format("Unexpected response code %d", code));
		return -1;
		}
		return Integer.parseInt(tok[1]);
		} catch (Exception e) {
		Slog.e(TAG, String.format(
		"Failed to read interface %s throttle value", (rx ? "rx" : "tx")), e);
		}
		return -1;
		}

		public int getInterfaceRxThrottle(String iface) {
		return getInterfaceThrottle(iface, true);
		}

		public int getInterfaceTxThrottle(String iface) {
		return getInterfaceThrottle(iface, false);
		}
		}