_pssunos.py 文件源码

def _get_unix_sockets(self, pid):
        """Get UNIX sockets used by process by parsing 'pfiles' output."""
        # TODO: rewrite this in C (...but the damn netstat source code
        # does not include this part! Argh!!)
        cmd = "pfiles %s" % pid
        p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
                             stderr=subprocess.PIPE)
        stdout, stderr = p.communicate()
        if PY3:
            stdout, stderr = [x.decode(sys.stdout.encoding)
                              for x in (stdout, stderr)]
        if p.returncode != 0:
            if 'permission denied' in stderr.lower():
                raise AccessDenied(self.pid, self._name)
            if 'no such process' in stderr.lower():
                raise NoSuchProcess(self.pid, self._name)
            raise RuntimeError("%r command error\n%s" % (cmd, stderr))

        lines = stdout.split('\n')[2:]
        for i, line in enumerate(lines):
            line = line.lstrip()
            if line.startswith('sockname: AF_UNIX'):
                path = line.split(' ', 2)[2]
                type = lines[i - 2].strip()
                if type == 'SOCK_STREAM':
                    type = socket.SOCK_STREAM
                elif type == 'SOCK_DGRAM':
                    type = socket.SOCK_DGRAM
                else:
                    type = -1
                yield (-1, socket.AF_UNIX, type, path, "", _common.CONN_NONE)