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/*
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 <iostream>
#include <sstream>
#include "abrtlib.h"
#include "Daemon.h"
#include "ABRTException.h"
#include "CrashWatcher.h"
void CCrashWatcher::Status(const std::string& pMessage, const char* peer, uint64_t pJobID)
{
VERB1 log("Update('%s'): %s", peer, pMessage.c_str());
if (g_pCommLayer != NULL)
g_pCommLayer->Update(pMessage, peer, pJobID);
}
void CCrashWatcher::Warning(const std::string& pMessage, const char* peer, uint64_t pJobID)
{
VERB1 log("Warning('%s'): %s", peer, pMessage.c_str());
if (g_pCommLayer != NULL)
g_pCommLayer->Warning(pMessage, peer, pJobID);
}
CCrashWatcher::CCrashWatcher()
{
}
CCrashWatcher::~CCrashWatcher()
{
}
vector_crash_infos_t GetCrashInfos(const std::string &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, UUIDsUIDs[ii].second, 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, UUIDsUIDs[ii].second);
break;
case MW_FILE_ERROR:
{
std::string debugDumpDir;
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");
debugDumpDir = DeleteCrashInfo(UUIDsUIDs[ii].first, UUIDsUIDs[ii].second);
DeleteDebugDumpDir(debugDumpDir);
}
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)
{
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, 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);
break;
}
return crashReport;
}
typedef struct thread_data_t {
pthread_t thread_id;
char* UUID;
char* UID;
char* peer;
} thread_data_t;
static void* create_report(void* arg)
{
thread_data_t *thread_data = (thread_data_t *) arg;
g_pCommLayer->JobStarted(thread_data->peer);
/* 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);
g_pCommLayer->JobDone(thread_data->peer, thread_data->UUID);
}
catch (CABRTException& e)
{
if (e.type() == EXCEP_FATAL)
{
set_client_name(NULL);
/* free strduped strings */
free(thread_data->UUID);
free(thread_data->UID);
free(thread_data->peer);
free(thread_data);
throw e;
}
warn_client(e.what());
}
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, 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->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");
}
else
{
VERB3 log("Thread %llx created", (unsigned long long)thread_data->thread_id);
}
//pthread_attr_destroy(&attr);
return r;
}
bool DeleteDebugDump(const std::string& pUUID, const std::string& pUID)
{
try
{
std::string debugDumpDir = DeleteCrashInfo(pUUID, pUID);
DeleteDebugDumpDir(debugDumpDir);
}
catch (CABRTException& e)
{
if (e.type() == EXCEP_FATAL)
{
throw e;
}
warn_client(e.what());
update_client(e.what());
return false;
}
return true;
}
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