the leading variant in c++ is most likely in the wrong byte order if you are running a x86 machine. as i said, you need to flip them. mike
On Sat, Jul 10, 2010 at 8:53 PM, Maxim Leonovich <lm.b...@gmail.com> wrote: > I watched on both buffers: they are similar, but in C++ I can't find a > leading Variant32 with size, when in Java it exists. The rests of > buffers are identical. > http://pic4.ru/8337 > http://pic4.ru/8338 > http://pic4.ru/8339 > > On 10 июл, 19:33, Evan Jones <ev...@mit.edu> wrote: >> On Jul 10, 2010, at 7:47 , Maxim Leonovich wrote: >> >> > ArrayOutputStream(buffer,msg.ByteSize() + 4,sizeof(char)); >> >> The documentation states: >> >> block_size is mainly useful for testing; in production you would >> probably never want to set it. >> >> So you should get rid of the "sizeof(char)" part. >> >> > cos->WriteLittleEndian32(msg.ByteSize()); //Tryed >> > "WriteVariant32", didn't help >> > msg.SerializeToCodedStream(cos); >> >> If you want to use Java's .parseDelimitedFrom, you *must* use >> WriteVarint32, because that is the format it expects the length >> prefix. In this case, you'll need to call ArrayOutputStream:: >> ByteCount() to figure out how many bytes were actually serialized. >> >> You also probably should create the ArrayOutputStream and >> CodedOutputStream on the stack, rather than using new. This will be >> slightly faster. >> >> That said, the only issue here that affects correctness is the >> WriteVarint32 part. The rest shouldn't matter unless I missed >> something. You should change your code to do that, then if you are >> still having problems you should try dumping the contents of the >> buffer on both the C++ and the Java side. Maybe the input/output is >> getting messed up somewhere? >> >> Good luck, >> >> Evan >> >> -- >> Evan Joneshttp://evanjones.ca/ > > -- > You received this message because you are subscribed to the Google Groups > "Protocol Buffers" group. > To post to this group, send email to proto...@googlegroups.com. > To unsubscribe from this group, send email to > protobuf+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/protobuf?hl=en. > > -- James Michael DuPont Member of Free Libre Open Source Software Kosova and Albania flossk.org flossal.org -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To post to this group, send email to proto...@googlegroups.com. To unsubscribe from this group, send email to protobuf+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/protobuf?hl=en.
