wang2bo2

#!/usr/bin/env python
'''
Send memory usage metrics to Amazon CloudWatch
 
This is intended to run on an Amazon EC2 instance and requires an IAM
role allowing to write CloudWatch metrics. Alternatively, you can create
a boto credentials file and rely on it instead. 

Original idea based on https://github.com/colinbjohnson/aws-missing-tools
'''

wang2bo2

package com.calciumion.util;

import android.util.Base64;

import java.security.MessageDigest;
import java.security.SignatureException;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

wang2bo2

/**
 * Copyright 2013 Bo Wang
 *
 * 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