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author | Nikola Pajkovsky <npajkovs@redhat.com> | 2010-08-10 10:21:25 +0200 |
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committer | Nikola Pajkovsky <npajkovs@redhat.com> | 2010-08-10 10:21:56 +0200 |
commit | 83a6ce9ad4b1828e163dc7172ef603201b748473 (patch) | |
tree | 9d0580eba6c01cb5964655df42bafab9de91329b /lib/Plugins/KerneloopsScanner.cpp | |
parent | e84ab7783d05eb7b5f1b55ab44e7c23c85e50516 (diff) | |
download | abrt-83a6ce9ad4b1828e163dc7172ef603201b748473.tar.gz abrt-83a6ce9ad4b1828e163dc7172ef603201b748473.tar.xz abrt-83a6ce9ad4b1828e163dc7172ef603201b748473.zip |
lower case direcotry(no code changed)
Signed-off-by: Nikola Pajkovsky <npajkovs@redhat.com>
Diffstat (limited to 'lib/Plugins/KerneloopsScanner.cpp')
-rw-r--r-- | lib/Plugins/KerneloopsScanner.cpp | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/lib/Plugins/KerneloopsScanner.cpp b/lib/Plugins/KerneloopsScanner.cpp deleted file mode 100644 index dc1f6d0a..00000000 --- a/lib/Plugins/KerneloopsScanner.cpp +++ /dev/null @@ -1,203 +0,0 @@ -/* - Copyright (C) 2010 ABRT team - Copyright (C) 2010 RedHat Inc - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - - Authors: - Anton Arapov <anton@redhat.com> - Arjan van de Ven <arjan@linux.intel.com> -*/ - -#include <assert.h> -#include <syslog.h> -#include <asm/unistd.h> /* __NR_syslog */ -#include "abrtlib.h" -#include "debug_dump.h" -#include "abrt_exception.h" -#include "comm_layer_inner.h" -#include "KerneloopsSysLog.h" -#include "KerneloopsScanner.h" - -// TODO: https://fedorahosted.org/abrt/ticket/78 - -static int scan_dmesg(vector_string_t& oopsList) -{ - VERB1 log("Scanning dmesg"); - - /* syslog(3) - read the last len bytes from the log buffer - * (non-destructively), but dont read more than was written - * into the buffer since the last"clear ring buffer" cmd. - * Returns the number of bytes read. - */ - char *buffer = (char*)xzalloc(16*1024); - syscall(__NR_syslog, 3, buffer, 16*1024 - 1); /* always NUL terminated */ - int cnt_FoundOopses = extract_oopses(oopsList, buffer, strlen(buffer)); - free(buffer); - - return cnt_FoundOopses; -} - - -/* "dumpoops" tool uses these two functions too */ -extern "C" { - -int scan_syslog_file(vector_string_t& oopsList, const char *filename, time_t *last_changed_p) -{ - VERB1 log("Scanning syslog file '%s'", filename); - - char *buffer; - struct stat statb; - int fd; - int cnt_FoundOopses; - ssize_t sz; - fd = open(filename, O_RDONLY); - if (fd < 0) - return 0; - statb.st_size = 0; /* paranoia */ - if (fstat(fd, &statb) != 0 || statb.st_size < 1) - { - close(fd); - return 0; - } - - if (last_changed_p != NULL) - { - if (*last_changed_p == statb.st_mtime) - { - VERB1 log("Syslog file '%s' hasn't changed since last scan, skipping", filename); - close(fd); - return 0; - } - *last_changed_p = statb.st_mtime; - } - - /* - * In theory we have a race here, since someone could spew - * to /var/log/messages before we read it in... we try to - * deal with it by reading at most 10kbytes extra. If there's - * more than that.. any oops will be in dmesg anyway. - * Do not try to allocate an absurd amount of memory; ignore - * older log messages because they are unlikely to have - * sufficiently recent data to be useful. 32MB is more - * than enough; it's not worth looping through more log - * if the log is larger than that. - */ - sz = statb.st_size + 10*1024; - if (statb.st_size > (32*1024*1024 - 10*1024)) - { - xlseek(fd, statb.st_size - (32*1024*1024 - 10*1024), SEEK_SET); - sz = 32*1024*1024; - } - buffer = (char*)xzalloc(sz); - sz = full_read(fd, buffer, sz); - close(fd); - - cnt_FoundOopses = 0; - if (sz > 0) - cnt_FoundOopses = extract_oopses(oopsList, buffer, sz); - free(buffer); - - return cnt_FoundOopses; -} - -void save_oops_to_debug_dump(const vector_string_t& oopsList) -{ - unsigned countdown = 16; /* do not report hundreds of oopses */ - unsigned idx = oopsList.size(); - time_t t = time(NULL); - pid_t my_pid = getpid(); - - VERB1 log("Saving %u oopses as crash dump dirs", idx >= countdown ? countdown-1 : idx); - - while (idx != 0 && --countdown != 0) - { - char path[sizeof(DEBUG_DUMPS_DIR"/kerneloops-%lu-%lu-%lu") + 3 * sizeof(long)*3]; - sprintf(path, DEBUG_DUMPS_DIR"/kerneloops-%lu-%lu-%lu", (long)t, (long)my_pid, (long)idx); - try - { - std::string oops = oopsList.at(--idx); - const char *first_line = oops.c_str(); - char *second_line = (char*)strchr(first_line, '\n'); /* never NULL */ - *second_line++ = '\0'; - - CDebugDump dd; - dd.Create(path, /*uid:*/ 0); - dd.SaveText(FILENAME_ANALYZER, "Kerneloops"); - dd.SaveText(FILENAME_EXECUTABLE, "kernel"); - dd.SaveText(FILENAME_KERNEL, first_line); - dd.SaveText(FILENAME_CMDLINE, "not_applicable"); - dd.SaveText(FILENAME_BACKTRACE, second_line); - /* Optional, makes generated bz more informative */ - strchrnul(second_line, '\n')[0] = '\0'; - dd.SaveText(FILENAME_REASON, second_line); - } - catch (CABRTException& e) - { - throw CABRTException(EXCEP_PLUGIN, "%s: %s", __func__, e.what()); - } - } -} - -} /* extern "C" */ - - -CKerneloopsScanner::CKerneloopsScanner() -{ - int cnt_FoundOopses; - m_syslog_last_change = 0; - - /* Scan dmesg, on first call only */ - vector_string_t oopsList; - cnt_FoundOopses = scan_dmesg(oopsList); - if (cnt_FoundOopses > 0) - save_oops_to_debug_dump(oopsList); -} - -void CKerneloopsScanner::Run(const char *pActionDir, const char *pArgs, int force) -{ - const char *syslog_file = "/var/log/messages"; - map_plugin_settings_t::const_iterator it = m_pSettings.find("SysLogFile"); - if (it != m_pSettings.end()) - syslog_file = it->second.c_str(); - - vector_string_t oopsList; - int cnt_FoundOopses = scan_syslog_file(oopsList, syslog_file, &m_syslog_last_change); - if (cnt_FoundOopses > 0) - { - save_oops_to_debug_dump(oopsList); - /* - * This marker in syslog file prevents us from - * re-parsing old oopses (any oops before it is - * ignored by scan_syslog_file()). The only problem - * is that we can't be sure here that syslog_file - * is the file where syslog(xxx) stuff ends up. - */ - openlog("abrt", 0, LOG_KERN); - syslog(LOG_WARNING, - "Kerneloops: Reported %u kernel oopses to Abrt", - cnt_FoundOopses); - closelog(); - } -} - -PLUGIN_INFO(ACTION, - CKerneloopsScanner, - "KerneloopsScanner", - "0.0.1", - _("Periodically scans for and saves kernel oopses"), - "anton@redhat.com", - "http://people.redhat.com/aarapov", - ""); |