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rAKA/src/common/aka_error.cc
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aka_error.cc
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/**
* @file aka_error.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Sep 06 2010
* @date last modification: Tue Jul 29 2014
*
* @brief handling of errors
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_config.hh"
#include "aka_error.hh"
#include "aka_common.hh"
/* -------------------------------------------------------------------------- */
#include <iostream>
#include <csignal>
#if (defined(READLINK_COMMAND) || \
defined(ADDR2LINE_COMMAND)) && \
(not defined(_WIN32))
# include <execinfo.h>
# include <sys/wait.h>
#endif
#include <cxxabi.h>
#include <fstream>
#include <iomanip>
#include <cmath>
#include <cstring>
#include <map>
#include <sys/types.h>
#include <unistd.h>
#if defined(AKANTU_USE_OBSOLETE_GETTIMEOFDAY)
# include <sys/time.h>
#else
# include <time.h>
#endif
#ifdef AKANTU_USE_MPI
#if defined(__INTEL_COMPILER)
//#pragma warning ( disable : 383 )
#elif defined (__clang__) // test clang to be sure that when we test for gnu it is only gnu
#elif (defined(__GNUC__) || defined(__GNUG__))
# if __cplusplus > 199711L
# pragma GCC diagnostic ignored "-Wliteral-suffix"
# endif
#endif
# include <mpi.h>
#if defined(__INTEL_COMPILER)
//#pragma warning ( disable : 383 )
#elif defined (__clang__) // test clang to be sure that when we test for gnu it is only gnu
#elif (defined(__GNUC__) || defined(__GNUG__))
# if __cplusplus > 199711L
# pragma GCC diagnostic pop
# endif
#endif
#endif
#define __BEGIN_AKANTU_DEBUG__ namespace akantu { namespace debug {
#define __END_AKANTU_DEBUG__ } }
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU_DEBUG__
static void printBacktraceAndExit(int sig) {
printBacktrace(sig);
debugger.exit(-50);
}
/* ------------------------------------------------------------------------ */
void initSignalHandler() {
#if not defined(_WIN32)
struct sigaction action;
action.sa_handler = &printBacktraceAndExit;
sigemptyset(&(action.sa_mask));
action.sa_flags = SA_RESETHAND;
sigaction(SIGSEGV, &action, NULL);
sigaction(SIGABRT, &action, NULL);
#else
std::signal(SIGSEGV, &printBacktraceAndExit);
std::signal(SIGABRT, &printBacktraceAndExit);
#endif
}
/* ------------------------------------------------------------------------ */
std::string demangle(const char *symbol) {
int status;
std::string result;
char *demangled_name;
if ((demangled_name = abi::__cxa_demangle(symbol, NULL, 0, &status)) != NULL) {
result = demangled_name;
free(demangled_name);
} else {
result = symbol;
}
return result;
}
/* ------------------------------------------------------------------------ */
#if (defined(READLINK_COMMAND) || defined(ADDR2LINK_COMMAND)) && (not defined(_WIN32))
std::string exec(std::string cmd) {
FILE *pipe = popen(cmd.c_str(), "r");
if (!pipe) return "";
char buffer[1024];
std::string result = "";
while (!feof(pipe)) {
if (fgets(buffer, 128, pipe) != NULL)
result += buffer;
}
result = result.substr(0, result.size() - 1);
pclose(pipe);
return result;
}
#endif
/* ------------------------------------------------------------------------ */
void printBacktrace(__attribute__((unused)) int sig) {
AKANTU_DEBUG_INFO("Caught signal " << sig << "!");
#if not defined(_WIN32)
#if defined(READLINK_COMMAND) && defined(ADDR2LINE_COMMAND)
std::string me = "";
char buf[1024];
/* The manpage says it won't null terminate. Let's zero the buffer. */
memset(buf, 0, sizeof(buf));
/* Note we use sizeof(buf)-1 since we may need an extra char for NUL. */
if (readlink("/proc/self/exe", buf, sizeof(buf) - 1))
me = std::string(buf);
std::ifstream inmaps;
inmaps.open("/proc/self/maps");
std::map <std::string, size_t> addr_map;
std::string line;
while (inmaps.good()) {
std::getline(inmaps, line);
std::stringstream sstr(line);
size_t first = line.find('-');
std::stringstream sstra(line.substr(0, first));
size_t addr; sstra >> std::hex >> addr;
std::string lib;
sstr >> lib;
sstr >> lib;
sstr >> lib;
sstr >> lib;
sstr >> lib;
sstr >> lib;
if (lib != "" && addr_map.find(lib) == addr_map.end()) {
addr_map[lib] = addr;
}
}
if (me != "") addr_map[me] = 0;
#endif
/// \todo for windows this part could be coded using CaptureStackBackTrace and SymFromAddr
const size_t max_depth = 100;
size_t stack_depth;
void *stack_addrs[max_depth];
char **stack_strings;
size_t i;
stack_depth = backtrace(stack_addrs, max_depth);
stack_strings = backtrace_symbols(stack_addrs, stack_depth);
std::cerr << "BACKTRACE : " << stack_depth << " stack frames." << std::endl;
size_t w = size_t(std::floor(log(double(stack_depth)) / std::log(10.)) + 1);
/// -1 to remove the call to the printBacktrace function
for (i = 1; i < stack_depth; i++) {
std::cerr << std::dec << " [" << std::setw(w) << i << "] ";
std::string bt_line(stack_strings[i]);
size_t first, second;
if ((first = bt_line.find('(')) != std::string::npos && (second = bt_line.find('+')) != std::string::npos) {
std::string location = bt_line.substr(0, first);
#if defined(READLINK_COMMAND)
location = exec(std::string(BOOST_PP_STRINGIZE(READLINK_COMMAND)) + std::string(" -f ") + location);
#endif
std::string call = demangle(bt_line.substr(first + 1, second - first - 1).c_str());
size_t f = bt_line.find('[');
size_t s = bt_line.find(']');
std::string address = bt_line.substr(f + 1, s - f - 1);
std::stringstream sstra(address);
size_t addr; sstra >> std::hex >> addr;
std::cerr << location << " [" << call << "]";
#if defined(READLINK_COMMAND) && defined(ADDR2LINE_COMMAND)
std::map <std::string, size_t>::iterator it = addr_map.find(location);
if (it != addr_map.end()) {
std::stringstream syscom;
syscom << BOOST_PP_STRINGIZE(ADDR2LINE_COMMAND) << " 0x" << std::hex << (addr - it->second) << " -i -e " << location;
std::string line = exec(syscom.str());
std::cerr << " (" << line << ")" << std::endl;
} else {
#endif
std::cerr << " (0x" << std::hex << addr << ")" << std::endl;
#if defined(READLINK_COMMAND) && defined(ADDR2LINE_COMMAND)
}
#endif
} else {
std::cerr << bt_line << std::endl;
}
}
free(stack_strings);
std::cerr << "END BACKTRACE" << std::endl;
#endif
}
/* ------------------------------------------------------------------------ */
/* ------------------------------------------------------------------------ */
Debugger::Debugger() {
cout = &std::cerr;
level = dblWarning;
parallel_context = "";
file_open = false;
print_backtrace = false;
}
/* ------------------------------------------------------------------------ */
Debugger::~Debugger() {
if (file_open) {
dynamic_cast <std::ofstream *>(cout)->close();
delete cout;
}
}
/* ------------------------------------------------------------------------ */
void Debugger::exit(int status) {
if (status != EXIT_SUCCESS && status != -50) {
#ifndef AKANTU_NDEBUG
int * a = NULL;
*a = 1;
#endif
if(this->print_backtrace)
akantu::debug::printBacktrace(15);
}
#ifdef AKANTU_USE_MPI
if (status != EXIT_SUCCESS)
MPI_Abort(MPI_COMM_WORLD, MPI_ERR_UNKNOWN);
#endif
std::exit(status); // not called when compiled with MPI due to MPI_Abort, but
// MPI_Abort does not have the noreturn attribute
}
/*------------------------------------------------------------------------- */
void Debugger::throwException(const std::string & info,
const std::string & file,
unsigned int line,
__attribute__((unused)) bool silent,
__attribute__((unused)) const std::string & location) const
throw(akantu::debug::Exception) {
#if !defined(AKANTU_NDEBUG)
if (!silent) {
printMessage("###", dblWarning, info + location);
}
#endif
debug::Exception ex(info, file, line);
throw ex;
}
/* ------------------------------------------------------------------------ */
void Debugger::printMessage(const std::string & prefix,
const DebugLevel & level,
const std::string & info) const {
if (this->level >= level) {
#if defined(AKANTU_USE_OBSOLETE_GETTIMEOFDAY)
struct timeval time;
gettimeofday(&time, NULL);
double timestamp = time.tv_sec * 1e6 + time.tv_usec; /*in us*/
#else
struct timespec time;
clock_gettime(CLOCK_REALTIME_COARSE, &time);
double timestamp = time.tv_sec * 1e6 + time.tv_nsec * 1e-3; /*in us*/
#endif
*(cout) << parallel_context
<< "{" << (unsigned int)timestamp << "} "
<< prefix << " " << info
<< std::endl;
}
}
/* ------------------------------------------------------------------------ */
void Debugger::setDebugLevel(const DebugLevel & level) {
this->level = level;
}
/* ------------------------------------------------------------------------ */
const DebugLevel & Debugger::getDebugLevel() const {
return level;
}
/* ------------------------------------------------------------------------ */
void Debugger::setLogFile(const std::string & filename) {
if (file_open) {
dynamic_cast <std::ofstream *>(cout)->close();
delete cout;
}
std::ofstream *fileout = new std::ofstream(filename.c_str());
file_open = true;
cout = fileout;
}
std::ostream & Debugger::getOutputStream() {
return *cout;
}
/* ------------------------------------------------------------------------ */
void Debugger::setParallelContext(int rank, int size) {
std::stringstream sstr;
UInt pad = std::ceil(std::log10(size));
sstr << "<" << getpid() << ">[R" << std::setfill(' ') << std::right << std::setw(pad)
<< rank << "|S" << size << "] ";
parallel_context = sstr.str();
}
void setDebugLevel(const DebugLevel & level) {
debugger.setDebugLevel(level);
}
const DebugLevel & getDebugLevel() {
return debugger.getDebugLevel();
}
/* -------------------------------------------------------------------------- */
void exit(int status) {
debugger.exit(status);
}
__END_AKANTU_DEBUG__
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