得到应用发送与接收的流量

得到应用发送与接收的流量

// proc/uid_stat/xxx/tcp_rcv
private static long getReceive(int uid) {

BufferedReader br = null;
try {
String path = "proc/uid_stat/" + uid + "/tcp_rcv";
br = new BufferedReader(new FileReader(new File(path)));

String line = br.readLine();
return Long.parseLong(line);
} catch (Exception e) {
return 0;
} finally {
StreamUtils.closeIO(br);
}
}

// proc/uid_stat/xxx/tcp_snd
private static long getSend(int uid) {

BufferedReader br = null;
try {
String path = "proc/uid_stat/" + uid + "/tcp_snd";
br = new BufferedReader(new FileReader(new File(path)));

String line = br.readLine();
return Long.parseLong(line);
} catch (Exception e) {
return 0;

} finally {
StreamUtils.closeIO(br);
}

}