Hey Thomas, yes, it's related. Most of the "corrupted" logs are the ones with different types of string offsets. As Janosch mentioned, the isSame method in C++ fails, but that was a thing we observed while we were struggling with the non-loadable streams in logfiles.
Best, Dennis Am 20.07.2017 um 19:21 schrieb Thomas Roehr: > Hey Dennis, > > can you check if that is related: > > https://github.com/orocos-toolchain/typelib/issues/95 > > Best > Thomas > > On 09.06.2017 14:06, Alexander Fabisch wrote: >> Hi Dennis, >> >> I think I have a similar problem: the problem seems to be the offset of >> strings, right? I assume that if you subtract the offset of sourceFrame >> from the offset of targetFrame you SHOULD get something like the size of >> the the type that has been used to encode the length of the string (8 >> Byte vs. 32 Byte)? I have a logfile that looks like type a and a logfile >> that looks like type b but the actual length is encoded in the first 8 >> Byte of the string in both cases. You can check that if you look >> directly at the binary data in the logfile with "hexdump -C <file>": >> >> > 00000820 ... 0c 00 00 00 00 00 00 00 |9...............| <- 0c 00 >> 00 00 00 00 00 00 == 12 >> > 00000830 68 65 6c 6c 6f 77 20 77 6f 72 6c 64 02 ff 01 00 |hellow >> world....| >> >> Best regards, >> >> Alexander >> >> >> Am 09.06.2017 um 12:35 schrieb Dennis Hemker: >>> Hey Guys, >>> >>> I encountered a weird problem during the use of the C++-based >>> rock-replay2, which uses the local typekit definitions to load >>> marshalled types from the log files. In some logfiles, the local and the >>> marshalled typekit type mismatch in their sizes, for instance the >>> RigidBodyState_m type. The log was recorded with the Sherpa-Bot in Utah: >>> >>> type a: >>> compound /base/samples/RigidBodyState_m [416] { >>> (+0) compound /base/Time [8] { >>> (+0) sint(8) (/int64_t) microseconds >>> }; time >>> (+8) container /std/string</int8_t> sourceFrame >>> (+16) container /std/string</int8_t> targetFrame >>> (+24) compound /wrappers/Matrix</double,3,1> [24] { >>> (+0) array[3] of >>> float(8) (/double) data >>> }; position >>> (+48) compound /wrappers/Matrix</double,3,3> [72] { >>> (+0) array[9] of >>> float(8) (/double) data >>> }; cov_position >>> (+120) compound /wrappers/Quaternion</double> [32] { >>> (+0) array[3] of >>> float(8) (/double) im >>> (+24) float(8) (/double) re >>> }; orientation >>> (+152) compound /wrappers/Matrix</double,3,3> [72] { >>> (+0) array[9] of >>> float(8) (/double) data >>> }; cov_orientation >>> (+224) compound /wrappers/Matrix</double,3,1> [24] { >>> (+0) array[3] of >>> float(8) (/double) data >>> }; velocity >>> (+248) compound /wrappers/Matrix</double,3,3> [72] { >>> (+0) array[9] of >>> float(8) (/double) data >>> }; cov_velocity >>> (+320) compound /wrappers/Matrix</double,3,1> [24] { >>> (+0) array[3] of >>> float(8) (/double) data >>> }; angular_velocity >>> (+344) compound /wrappers/Matrix</double,3,3> [72] { >>> (+0) array[9] of >>> float(8) (/double) data >>> }; cov_angular_velocity >>> }; >>> type b: >>> compound /base/samples/RigidBodyState_m [464] { >>> (+0) compound /base/Time [8] { >>> (+0) sint(8) (/int64_t) microseconds >>> }; time >>> (+8) container /std/string</int8_t> sourceFrame >>> (+40) container /std/string</int8_t> targetFrame >>> (+72) compound /wrappers/Matrix</double,3,1> [24] { >>> (+0) array[3] of >>> float(8) (/double) data >>> }; position >>> (+96) compound /wrappers/Matrix</double,3,3> [72] { >>> (+0) array[9] of >>> float(8) (/double) data >>> }; cov_position >>> (+168) compound /wrappers/Quaternion</double> [32] { >>> (+0) array[3] of >>> float(8) (/double) im >>> (+24) float(8) (/double) re >>> }; orientation >>> (+200) compound /wrappers/Matrix</double,3,3> [72] { >>> (+0) array[9] of >>> float(8) (/double) data >>> }; cov_orientation >>> (+272) compound /wrappers/Matrix</double,3,1> [24] { >>> (+0) array[3] of >>> float(8) (/double) data >>> }; velocity >>> (+296) compound /wrappers/Matrix</double,3,3> [72] { >>> (+0) array[9] of >>> float(8) (/double) data >>> }; cov_velocity >>> (+368) compound /wrappers/Matrix</double,3,1> [24] { >>> (+0) array[3] of >>> float(8) (/double) data >>> }; angular_velocity >>> (+392) compound /wrappers/Matrix</double,3,3> [72] { >>> (+0) array[9] of >>> float(8) (/double) data >>> }; cov_angular_velocity >>> };Checking /body_joint.state >>> >>> Differences can be found in the source- and targetFrame definitions. >>> >>> Thank you and best regards, >>> >>> Dennis >>> >>> _______________________________________________ >>> Rock-dev mailing list >>> Rock-dev@dfki.de >>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-dev > _______________________________________________ Rock-dev mailing list Rock-dev@dfki.de http://www.dfki.de/mailman/cgi-bin/listinfo/rock-dev
