views.py 文件源码

def stream_host_stats():
    while True:
        net = psutil.net_io_counters(pernic=True)
        time.sleep(1)
        net1 = psutil.net_io_counters(pernic=True)
        net_stat_download = {}
        net_stat_upload = {}
        for k, v in net.items():
            for k1, v1 in net1.items():
                if k1 == k:
                    net_stat_download[k] = (v1.bytes_recv - v.bytes_recv) / 1000.
                    net_stat_upload[k] = (v1.bytes_sent - v.bytes_sent) / 1000.
        ds = statvfs('/')
        disk_str = {"Used": ((ds.f_blocks - ds.f_bfree) * ds.f_frsize) / 10 ** 9, "Unused": (ds.f_bavail * ds.f_frsize) / 10 ** 9}
        yield '[{"cpu":"%s","memory":"%s","memTotal":"%s","net_stats_down":"%s","net_stats_up":"%s","disk":"%s"}],' \
              % (psutil.cpu_percent(interval=1), psutil.virtual_memory().used, psutil.virtual_memory().free, \
                 net_stat_download, net_stat_upload, disk_str)