测速 ip

	public static long getLagByPing(String addr) {
		Log.d("测试地址>>>>>>>addr>>>>>", addr);
		String s = "\n";
		long lag = EmServerInfo.MEASURE_TIMEOUT + 1;
		String cmd = "ping -w " + EmServerInfo.MEASURE_TIMEOUT / 1000 + " -c 1 " + addr;
		try {
			Process p = Runtime.getRuntime().exec(cmd);
			BufferedReader in = new BufferedReader(new InputStreamReader(
					p.getInputStream()));
			String line = null;
			while ((line = in.readLine()) != null) {
				s += line + "\n";
			}
			in.close();
			if (s.contains("min/avg/max/mdev")) {
				String timeStr = s.split("min/avg/max/mdev")[1].split("/")[1];
				lag = (long)Float.parseFloat(timeStr);
			}
		} catch (Exception e) {
			e.printStackTrace();
			Logger.e("measure", "error" + addr);
		}
		return lag;
	}