Yeah, other languages. C++/C#. Something specific I should try to get out of the message?
On Thu, Jan 11, 2018 at 9:14 PM, Chet Murthy <[email protected]> wrote: > Andre', > > Another suggestion: these other clients, I presume, are in other > languages? Could you take that string, and write a cmdline program that > demarshals it in one of the other languages that work? Just to verify that > indeed it's just a Python-only problem? > > On Thu, Jan 11, 2018 at 12:42 PM, Chet Murthy <[email protected]> > wrote: > > > Andre', > > > > (1) The message is generated in which language? Python? > > > > (2) Can you supply the IDL for the message payload and message itself? > > > > On Thu, Jan 11, 2018 at 10:35 AM, André Lemos <[email protected]> wrote: > > > >> On Thu, Jan 11, 2018 at 5:32 PM, Kevin Clark <[email protected]> > >> wrote: > >> > >> > On Thu, Jan 11, 2018 at 8:41 AM André Lemos <[email protected]> wrote: > >> > > >> > > On Thu, Jan 11, 2018 at 4:34 PM, Kevin Clark <[email protected] > > > >> > > wrote: > >> > > > >> > > > On Thu, Jan 11, 2018 at 8:19 AM André Lemos <[email protected]> > >> wrote: > >> > > > > >> > > > > On Thu, Jan 11, 2018 at 4:13 PM, Kevin Clark < > >> [email protected]> > >> > > > > wrote: > >> > > > > > >> > > > > > On Thu, Jan 11, 2018 at 7:40 AM André Lemos <[email protected] > > > >> > > wrote: > >> > > > > > > >> > > > > > > Hi, > >> > > > > > > > >> > > > > > > > >> > > > > > > When parsing through a TBinaryProtocol, trying to get the > >> > > > > > readMessageBegin, > >> > > > > > > readI32, returns 16777216, which will raise an EOFError, > >> because > >> > > it's > >> > > > > > just > >> > > > > > > a too big of a value. If I use something like 25, I do get > >> > > something > >> > > > > > pretty > >> > > > > > > closer to what I am trying to get, although I still get the > >> > initial > >> > > > bit > >> > > > > > of > >> > > > > > > the protocol, and not just the name I am trying to get. > >> > > > > > > > >> > > > > > > Any hints as to where I should be looking? > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > Providing the language of the lib you’re using, the code, and > >> the > >> > > > message > >> > > > > > you expect to be on the wire would make it easier for someone > to > >> > help > >> > > > > you. > >> > > > > > >> > > > > > >> > > > > > >> > > > > I am using Python 2, I've sent the code. The message I am trying > >> to > >> > > > parse, > >> > > > > looks like this: > >> > > > > > >> > > > > > >> > > > > \x01\x00\x00\x00\xed\x00\x00\x00\x80\x01\x00\x04\x00\x00\ > >> > > > x00\x15RequestProcessListing\x00\x00\x00\x00\x0c\x00\x01\ > >> > > > x0b\x00\x01\x00\x00\x00\x10\xfe\x8e\xc3F\xed\\\x8aG\x97+\ > >> > > > x0cp\x0eY\x05U\x0b\x00\x02\x00\x00\x00\x0fThe > >> > > > > Observer XT\x08\x00\x03\x00\x00\x00\ > x02\x0b\x00\x04\x00\x00\x00\ > >> > x12The > >> > > > > Observer XT > >> > > > > > >> > > > > 14\x0b\x00\x05\x00\x00\x00\x08LEMOS-PC\x0b\x00\x06\x00\ > >> > > > x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\ > >> > > > x00\x00\x00\x00\x00\x0c\x00\x07\x08\x00\x01\x00\x00\x00\ > >> > > > x01\x0c\x00\x02\x0c\x00\x01\x0b\x00\x01\x00\x00\x00\x00\ > >> > > > x08\x00\x02\x00\x00\x00\x00\x0f\x00\x03\x0c\x00\x00\x00\ > >> > > > x00\x0f\x00\x04\x0c\x00\x00\x00\x00\x00\x00\x0c\x00\x03\ > >> > > > x02\x00\x01\x01\x02\x00\x02\x01\x0b\x00\x03\x00\x00\x00\ > >> > > > x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\ > >> > > > x00\x00\x00\x00\x00\x00\x00 > >> > > > > >> > > > > >> > > > Well the number you’ve pasted looks like it’s 1 << 24, so it > should > >> fit > >> > > in > >> > > > a 32 bit int just fine. I’m not seeing actual code anywhere, just > >> > > > descriptions of method calls. I suspect this is a simple oversight > >> but > >> > > it’s > >> > > > hard to tell you more without the actual code and the precise > error > >> > > > message. > >> > > > > >> > > > >> > > > >> > > > >> > > here's the code (Python 2): > >> > > > >> > > trans1 = TTransport.TMemoryBuffer() > >> > > trans1.open() > >> > > trans = TTransport.TMemoryBuffer(body) > >> > > trans.open() > >> > > iprot = TBinaryProtocol.TBinaryProtocol(trans) > >> > > oprot = TBinaryProtocol.TBinaryProtocol(trans1, > >> strictWrite=False) > >> > > tr = Processor(CommonService.CommonService.Iface()) > >> > > tr.process(iprot, oprot) > >> > > > >> > > > >> > > issue is that readI32() gets me a EOFError as it tries to read way > >> past > >> > the > >> > > full message. > >> > > >> > > >> > Ah! Issue looks like it’s youre using strictWrite=False in one of the > >> > protocols. That’s going to skip writing the version which the read > side > >> is > >> > looking for. Been too long since I touched the code to remember the > >> > intended purpose of those args, but that should at least tell you why > >> it’s > >> > blowing up - it expects more data because a 32 bit version should be > >> there > >> > in the header. > >> > > >> > Hope that helps. > >> > >> > >> > >> Still the same problem... > >> > >> > >> File "thrift/protocol/TBinaryProtocol.py", line 153, in > >> readMessageBegin > >> name = self.trans.readAll(sz) > >> File "thrift/transport/TTransport.py", line 65, in readAll > >> raise EOFError() > >> EOFError > >> > >> > >> > >> :\ > >> > > > > >
