rtems-tftp server not working with iPXE.

[Karel Gardas]

On 9/7/20 12:07 AM, Chris Johns wrote:
> On 7/9/20 5:28 am, Karel Gardas wrote:
>>
>> Hi,
>>
>> I'm using latest rtems-tools, my HEAD is on
>> eb3608133b41b9cb7b4dd55cb15d77691d2300c6.
>>
>> I'm trying to use rtems-tftp-server to serve 5.1 pc686 BSP's tests to
>> the target hardware. On target hardware side I'm using fairly recent
>> iPXE code base (ISO downloaded last month) booting from USB stick and
>> then tftp booting RTEMS application. At least that was theory, in
>> practice I'm not able to tftp boot from iPXE since rtems tftp server
>> complains about python errors:
>>
>> ] tftp: server: all:69
>> ] tftp: 1: start: 10.0.30.128:3419
>> ] tftp: 1: error: <type 'exceptions.TypeError'>: unsupported operand
>> type(s) for <<: 'str' and 'int'
>> ] tftp: 1: end: 10.0.30.128:3419
>> ] tftp: 2: start: 10.0.30.128:3419
>> ] tftp: 2: error: <type 'exceptions.TypeError'>: unsupported operand
>> type(s) for <<: 'str' and 'int'
>> ] tftp: 2: end: 10.0.30.128:3419
>> ] tftp: 3: start: 10.0.30.128:3419
>> ] tftp: 3: error: <type 'exceptions.TypeError'>: unsupported operand
>> type(s) for <<: 'str' and 'int'
>> ] tftp: 3: end: 10.0.30.128:3419
>> ] tftp: 4: start: 10.0.30.128:3419
>> ] tftp: 4: error: <type 'exceptions.TypeError'>: unsupported operand
>> type(s) for <<: 'str' and 'int'
>> ] tftp: 4: end: 10.0.30.128:3419
>> ] tftp: 5: start: 10.0.30.128:3419
>> ] tftp: 5: error: <type 'exceptions.TypeError'>: unsupported operand
>> type(s) for <<: 'str' and 'int'
>> ] tftp: 5: end: 10.0.30.128:3419
>> ] tftp: 6: start: 10.0.30.128:3419
>> ] tftp: 6: error: <type 'exceptions.TypeError'>: unsupported operand
>> type(s) for <<: 'str' and 'int'
>> ] tftp: 6: end: 10.0.30.128:3419
> 
> Could you please add `raise` after this line ...
> 
> https://git.rtems.org/rtems-tools/tree/tester/rt/tftpserver.py#n442
> 
> and report back the exception trace back?


Exception happened during processing of request from ('10.0.30.128', 1025)
Traceback (most recent call last):
  File "/usr/lib/python2.7/SocketServer.py", line 599, in
process_request_thread
    self.finish_request(request, client_address)
  File "/usr/lib/python2.7/SocketServer.py", line 334, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python2.7/SocketServer.py", line 655, in __init__
    self.handle()
  File
"/export/home/karel/git/rtems/rtems-tools/tester/rt/tftpserver.py", line
451, in handle
    self.handle_session(self.server.tftp.next_session())
  File
"/export/home/karel/git/rtems/rtems-tools/tester/rt/tftpserver.py", line
399, in handle_session
    response = session.process(client_ip, client_port, self.request[0])
  File
"/export/home/karel/git/rtems/rtems-tools/tester/rt/tftpserver.py", line
272, in process
    opcode = (data[0] << 8) | data[1]
TypeError: unsupported operand type(s) for <<: 'str' and 'int'