Changes have been pushed for the repository "fawkes.git". (Fawkes Robotics Software Framework)
Clone: g...@git.fawkesrobotics.org:fawkes.git Gitweb: http://git.fawkesrobotics.org/fawkes.git Trac: http://trac.fawkesrobotics.org The branch, thofmann/debug-log-symlink-latest has been created at b1d5583397e661525f2604eedb18860471fec226 (commit) http://git.fawkesrobotics.org/fawkes.git/thofmann/debug-log-symlink-latest - *Log* --------------------------------------------------------------- commit b1d5583397e661525f2604eedb18860471fec226 Author: Till Hofmann <hofm...@kbsg.rwth-aachen.de> AuthorDate: Fri Dec 15 12:58:59 2017 +0100 Commit: Till Hofmann <hofm...@kbsg.rwth-aachen.de> CommitDate: Fri Dec 15 12:58:59 2017 +0100 logging: create a symlink for the latest log file If we use log files with timestamps, always create/update a symlink to the latest log file. The name of the symlink is the same as the log file, but the time replaced with "latest". http://git.fawkesrobotics.org/fawkes.git/commit/b1d5583 http://trac.fawkesrobotics.org/changeset/b1d5583 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *Summary* ----------------------------------------------------------- - *Diffs* ------------------------------------------------------------- - *commit* b1d5583397e661525f2604eedb18860471fec226 - - - - - - - - - - Author: Till Hofmann <hofm...@kbsg.rwth-aachen.de> Date: Fri Dec 15 12:58:59 2017 +0100 Subject: logging: create a symlink for the latest log file src/libs/logging/file.cpp | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-) _Diff for modified files_: diff --git a/src/libs/logging/file.cpp b/src/libs/logging/file.cpp index 6d60896..23eca17 100644 --- a/src/libs/logging/file.cpp +++ b/src/libs/logging/file.cpp @@ -34,6 +34,7 @@ #include <fcntl.h> #include <cerrno> #include <stdio.h> +#include <unistd.h> #include <string> @@ -83,6 +84,30 @@ FileLogger::FileLogger(const char* filename_pattern, LogLevel log_level) // make buffer line-buffered setvbuf(log_file, NULL, _IOLBF, 0); + // create a symlink for the latest log if the filename has a time stamp + if (pos != std::string::npos) { + std::string latest_filename(filename_pattern); + latest_filename.replace(pos, time_var.length(), "latest"); + int link_res = symlink(filename, latest_filename.c_str()); + if (link_res == -1) { + if (errno == EEXIST) { + int unlink_res = unlink(latest_filename.c_str()); + if (unlink_res == -1) { + throw Exception(errno, "Failed to update symlink at %s", + latest_filename.c_str()); + } + link_res = symlink(filename, latest_filename.c_str()); + if (link_res == -1) { + throw Exception(errno, "Failed ot create symlink from %s to %s", + filename, latest_filename.c_str()); + } + } else { + throw Exception(errno, "Failed ot create symlink from %s to %s", + filename, latest_filename.c_str()); + } + } + } + mutex = new Mutex(); } -- Fawkes Robotics Framework http://www.fawkesrobotics.org _______________________________________________ fawkes-commits mailing list fawkes-commits@lists.kbsg.rwth-aachen.de https://lists.kbsg.rwth-aachen.de/listinfo/fawkes-commits
