/* Copyright (C) 2009 Jiri Moskovcak (jmoskovc@redhat.com) Copyright (C) 2009 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. */ #include "abrtlib.h" #include "Daemon.h" #include "ABRTException.h" #include "CrashWatcher.h" void CCrashWatcher::Status(const char *pMessage, const char* peer, uint64_t pJobID) { VERB1 log("Update('%s'): %s", peer, pMessage); if (g_pCommLayer != NULL) g_pCommLayer->Update(pMessage, peer, pJobID); } void CCrashWatcher::Warning(const char *pMessage, const char* peer, uint64_t pJobID) { VERB1 log("Warning('%s'): %s", peer, pMessage); if (g_pCommLayer != NULL) g_pCommLayer->Warning(pMessage, peer, pJobID); } CCrashWatcher::CCrashWatcher() { } CCrashWatcher::~CCrashWatcher() { } vector_crash_infos_t GetCrashInfos(const char *pUID) { vector_crash_infos_t retval; log("Getting crash infos..."); try { vector_pair_string_string_t UUIDsUIDs; UUIDsUIDs = GetUUIDsOfCrash(pUID); unsigned int ii; for (ii = 0; ii < UUIDsUIDs.size(); ii++) { mw_result_t res; map_crash_info_t info; res = GetCrashInfo(UUIDsUIDs[ii].first.c_str(), UUIDsUIDs[ii].second.c_str(), info); switch (res) { case MW_OK: retval.push_back(info); break; case MW_ERROR: warn_client("Can not find debug dump directory for UUID: " + UUIDsUIDs[ii].first + ", deleting from database"); update_client("Can not find debug dump directory for UUID: " + UUIDsUIDs[ii].first + ", deleting from database"); DeleteCrashInfo(UUIDsUIDs[ii].first.c_str(), UUIDsUIDs[ii].second.c_str()); break; case MW_FILE_ERROR: { warn_client("Can not open file in debug dump directory for UUID: " + UUIDsUIDs[ii].first + ", deleting"); update_client("Can not open file in debug dump directory for UUID: " + UUIDsUIDs[ii].first + ", deleting"); std::string debugDumpDir = DeleteCrashInfo(UUIDsUIDs[ii].first.c_str(), UUIDsUIDs[ii].second.c_str()); DeleteDebugDumpDir(debugDumpDir.c_str()); } break; default: break; } } } catch (CABRTException& e) { if (e.type() == EXCEP_FATAL) { throw e; } warn_client(e.what()); update_client(e.what()); } //retval = GetCrashInfos(pUID); //Notify("Sent crash info"); return retval; } /* * "GetJobResult" is a bit of a misnomer. * It actually _creates_ a_ report_ and returns the result. * It is called in two cases: * (1) by CreateReport dbus call -> CreateReportThread(), in the thread * (2) by GetJobResult dbus call * In the second case, it finishes quickly, because previous * CreateReport dbus call already did all the processing, and we just retrieve * the result from dump directory, which is fast. */ map_crash_report_t GetJobResult(const char* pUUID, const char* pUID, int force) { map_crash_info_t crashReport; /* FIXME: starting from here, any shared data must be protected with a mutex. * For example, CreateCrashReport does: * g_pPluginManager->GetDatabase(g_settings_sDatabase); * which is unsafe wrt concurrent updates to g_pPluginManager state. */ mw_result_t res = CreateCrashReport(pUUID, pUID, force, crashReport); switch (res) { case MW_OK: break; case MW_IN_DB_ERROR: warn_client(std::string("Did not find crash with UUID ") + pUUID + " in database"); break; case MW_PLUGIN_ERROR: warn_client("Particular analyzer plugin isn't loaded or there is an error within plugin(s)"); break; case MW_CORRUPTED: case MW_FILE_ERROR: default: warn_client(std::string("Corrupted crash with UUID ") + pUUID + ", deleting"); std::string debugDumpDir = DeleteCrashInfo(pUUID, pUID); DeleteDebugDumpDir(debugDumpDir.c_str()); break; } return crashReport; } typedef struct thread_data_t { pthread_t thread_id; char* UUID; char* UID; int force; char* peer; } thread_data_t; static void* create_report(void* arg) { thread_data_t *thread_data = (thread_data_t *) arg; /* Client name is per-thread, need to set it */ set_client_name(thread_data->peer); try { /* "GetJobResult" is a bit of a misnomer */ log("Creating report..."); map_crash_info_t crashReport = GetJobResult(thread_data->UUID, thread_data->UID, thread_data->force); g_pCommLayer->JobDone(thread_data->peer, thread_data->UUID); } catch (CABRTException& e) { warn_client(e.what()); } catch (...) {} set_client_name(NULL); /* free strduped strings */ free(thread_data->UUID); free(thread_data->UID); free(thread_data->peer); free(thread_data); /* Bogus value. pthreads require us to return void* */ return NULL; } int CreateReportThread(const char* pUUID, const char* pUID, int force, const char* pSender) { thread_data_t *thread_data = (thread_data_t *)xzalloc(sizeof(thread_data_t)); thread_data->UUID = xstrdup(pUUID); thread_data->UID = xstrdup(pUID); thread_data->force = force; thread_data->peer = xstrdup(pSender); //TODO: do we need this? //pthread_attr_t attr; //pthread_attr_init(&attr); //pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); int r = pthread_create(&thread_data->thread_id, NULL, create_report, thread_data); if (r != 0) { free(thread_data->UUID); free(thread_data->UID); free(thread_data->peer); free(thread_data); /* The only reason this may happen is system-wide resource starvation, * or ulimit is exceeded (someone floods us with CreateReport() dbus calls?) */ error_msg("Can't create thread"); return r; } VERB3 log("Thread %llx created", (unsigned long long)thread_data->thread_id); //pthread_attr_destroy(&attr); return r; } bool DeleteDebugDump(const char *pUUID, const char *pUID) { try { std::string debugDumpDir = DeleteCrashInfo(pUUID, pUID); DeleteDebugDumpDir(debugDumpDir.c_str()); } catch (CABRTException& e) { if (e.type() == EXCEP_FATAL) { throw e; } warn_client(e.what()); update_client(e.what()); return false; } return true; }