netstat.py 文件源码

def main():
    templ = "%-5s %-30s %-30s %-13s %-6s %s"
    print(templ % (
        "Proto", "Local address", "Remote address", "Status", "PID",
        "Program name"))
    proc_names = {}
    for p in psutil.process_iter():
        try:
            proc_names[p.pid] = p.name()
        except psutil.Error:
            pass
    for c in psutil.net_connections(kind='inet'):
        laddr = "%s:%s" % (c.laddr)
        raddr = ""
        if c.raddr:
            raddr = "%s:%s" % (c.raddr)
        print(templ % (
            proto_map[(c.family, c.type)],
            laddr,
            raddr or AD,
            c.status,
            c.pid or AD,
            proc_names.get(c.pid, '?')[:15],
        ))