Release 1.5.0

This is primarily a bugfix and maintenance release.

• General
  • Several bug fixes
  • Fixed general and deprecation warnings on recent versions of Python and Java
• Build system
  • Updated CMake to fix warnings
• Docs
  • Now built through Sphinx with a ReadTheDocs theme
  • Automatically updated and deployed via CI/CD
  • Location has moved from https://lcm-proj.github.io/ to https://lcm-proj.github.io/lcm/
• Windows support
  • Moved from supporting Visual Studio to supporting a MSYS2 MGW64 environment
• Java
  • Version 1.8 or later is now required

Release 1.4.0

Significant changes:

• Build system
  • Switch to CMake
  • Add CPack support
• lcm-gen
  • Allow arrays to be sized with const values
• C
  • Add lcm_subscription_get_queue_size()
  • Standardize C/C++ code formatting with clang-format
• C++
  • Add support for some C++11 features (lambda subscribe)
  • add lcm::Subscription::getQueueSize()
• Go
  • Experimental support for golang
• Python
• Add dimensions and typenames fields for better introspection
• lcm-logger
  • flush buffers before exiting
• General
  • Lots of misc bugfixes

Release 1.3.1

This is primarily a bugfix and maintenance release.

• Java
  • Fix lcm-java automake for out of source builds
• Lua
  • Add support for Lua 5.3
• Python
  • Fix python LCM code generation when a package is not specified
• General
  • Minor documentation updates

Oct 28, 2015

Release 1.3.0

This is primarily a bugfix and maintenance release.

• C# / .NET
  • fix lcm-dotnet Close (closes issue #18)
• Windows
  • Add socket window size notes in documentation
  • Visual Studio build fixes, update to VS2013
  • Cygwin build fixes
• C / C++
  • Reject invalid multicast addresses
  • Use last fragment timestamp instead of first for message timestamping
  • binary search bugfix in lcm_eventlog_seek_to_timestamp()
  • API changes:
    • add FILE* LogFile::getFilePtr()
    • void LCM::unbsubscribe() -> int LCM::unsubscribe()
• Python
  • Python 3 compatibility bugfixes
  • setup.py use subprocess instead of deprecated commands package
  • EventLog.seek() use fseeko() not fseek()
• lcm-spy
  • misc bugfixes
  • fix bitshifting of signed integer types
• lcm-gen
  • add --cpp-std option for C++11 support in generated types.

Release 1.2.1

This is a bugfix and maintenance release.

• Documentation updates
• lcm-spy
  • Misc bugfixes
  • Fix bug where lcm-spy did not display content of some messages (Johan Widen)
• Remove jchart2d jar file from INSTALLED_CLASSPATH variable

Release 1.2.0

This release adds charting to lcm-spy (Andy Barry) and updates the lcm-spy GUI. This release also marks the official migration of LCM to GitHub. The new site is https://github.com/lcm-proj/lcm

• C / C++
  • Use select() instead of poll() in lcm_mpudpm.c
• lcm-spy
  • Add sparklines and charting (Andy Barry), via JChart2d
• Python
  • Fix setup.py
• Java
  • TCPService convert mutex to read/write lock. Reduces deadlock when send/receive buffers are full.
  • Make TCPService interruptible (closes googlecode issue #94)
• lcm-gen
  • Fix regression for comments appearing in various places in a type definition file (closes googlecode issue #97)
• misc
  • Build system cleanups
  • Add more unit tests, cleanup existing tests.
  • Documentation fixes.
• OS/X
  • reduce max packet sizes (closes googlecode issue #99)
  • fix test/cpp/Makefile

This is a bugfix and maintenance release.

C / C++:

• memset struct msghdr to 0 before calling recvmsg (fixes issue #90).
• fix eventlog memory leak when errors occur.

lcm-gen:

• Apply patch from bibocc to fix lcm-gen regression (fixes issue #92).
• fix emit-cpp for the case where it needs to includ both and .
• Resize vector in decode after checking whether the size > 0.
• fix tokenizer regression in parsing empty comment blocks (fixes issue #93).
• Add --version flag.
• Update manpage.

This is a bugfix and maintenance release.

Python:

• Fix multithreading issue

lcm-gen:

• C / C++ bindings include field comments in generated files.

Release 1.1.0

General:

• Add "memq://" provider to support unit testing code that uses LCM. Supported in C, C++, Python, lua, Java.

C:

• lcm_tcpq.c add missing #include <signal.h>
• Add introspection to generated C types
• Increase fragmentation threshold.
• Add lcm_handle_timeout() function

C++:

• Fix emit_cpp for messages that contain a single non-primitive type
• Declare const fields using enums instead of static const int
• Some const correctness
• Add lcm::LCM::handleTimeout() function

Python:

• Add Python3 compatibility
• Add lcm.LCM.handle_timeout() function
• Sub-types are initialized to valid instances instead of None

lua:

• Add handle_timeout() function, deprecate timedhandle()

lcm-logger:

• Remove --auto-split-hours option
• Rename --auto-split-mb option to --split-mb
• Add --rotate option for rotating log files
• Add --quiet option

lcm-gen:

• Add --package-prefix option
• Detect duplicate types in input.
• C emit_hash_recursive function explicit cast result to int64_t (closes #81)
• Detect corrupt log files.

lcm-spy:

• Better drawing of long type names

lcm-logplayer:

• Actually accept -l/--lcm-url optin

misc:

• Add more unit tests

Release 1.0

This release adds experimental support for Lua (contributed by Tim Perkins)

C:

• tcpq provider:

  • unsubscribe correctly send unsubscribe request to server, not subscribe.
  • automatically reconnect when possible.

• fix lcm_internal_pipe in windows - don't use addrlen param in accept()

• lcm_coretypes use void casting to avoid unused parameter warning instead of unnamed parameter.

• Windows: Ignore the return value of setsockopt() when joining the mc group for the send fd.

• Cast to struct timeval and not GTimeVal when getting packet timestamp.

  C# / .NET:

• replace Dns.GetHostEntry by Dns.GetHostAddresses - should solve problems with reverse DNS lookups

  lcm-gen:

• C

  • avoid unused parameter warnings in generated types

• C#

  • emit_csharp in lcm-gen: fix generation of multidimensional arrays

  Python:

• #define Py_RETURN_NONE if it's not already defined (chrismurf).

• lcm_handle raise IOError if lcm_get_fileno() fails

  Java:

• refactor TCPProvider so that subscriptions are re-sent if the TCP connection has been restarted.

  lcm-logplayer-gui:

• improve low-rate playback performance (Andrew Richardson).