void test_promise_set_exception_ref() {
boost::fibers::promise< int& > p1;
boost::fibers::future< int& > f1 = p1.get_future();
BOOST_CHECK( f1.valid() );
p1.set_exception( std::make_exception_ptr( my_exception() ) );
// set exception a second time
bool thrown = false;
try {
p1.set_exception( std::make_exception_ptr( my_exception() ) );
} catch ( boost::fibers::promise_already_satisfied const&) {
thrown = true;
}
BOOST_CHECK( thrown);
// set value
thrown = false;
int i = 11;
try {
p1.set_value( i);
} catch ( boost::fibers::promise_already_satisfied const&) {
thrown = true;
}
BOOST_CHECK( thrown);
}
void test_promise_set_exception_void()
{
boost::fibers::promise< void > p1;
BOOST_CHECK( p1);
boost::fibers::future< void > f1 = p1.get_future();
BOOST_CHECK( f1);
BOOST_CHECK( f1.valid() );
p1.set_exception( boost::copy_exception( my_exception() ) );
// set exception a second time
bool thrown = false;
try
{ p1.set_exception( boost::copy_exception( my_exception() ) ); }
catch ( boost::fibers::promise_already_satisfied const&)
{ thrown = true; }
BOOST_CHECK( thrown);
// set value
thrown = false;
try
{ p1.set_value(); }
catch ( boost::fibers::promise_already_satisfied const&)
{ thrown = true; }
BOOST_CHECK( thrown);
}
int
main()
{
boost::throw_exception(my_exception());
BOOST_TEST(called);
return boost::report_errors();
}
////////////////////////////////////////////////////////////////////////////////
// norm_ppf //
// calculates the percent point function (inverse of the cdf) for the normal //
// distribution at a a given probability 'p' (0 < p < 1). //
// //
// Implementation algorithm translated from FORTRAN code in DATAPAC //
// http://gams.nist.gov/serve.cgi/ModuleComponent/2674/Documentation/ITL //
// /normppf //
////////////////////////////////////////////////////////////////////////////////
double norm_ppf(double p) {
const double p0 = -0.322232431088;
const double p1 = -1.0;
const double p2 = -0.342242088547;
const double p3 = -0.204231210245e-1;
const double p4 = -0.453642210148e-4;
const double q0 = 0.993484626060e-1;
const double q1 = 0.588581570495;
const double q2 = 0.531103462366;
const double q3 = 0.103537752850;
const double q4 = 0.38560700634e-2;
if (p <= 0 || p >= 1.0) {
throw(my_exception("invalid argument in function norm_ppf"));
return 0;
}
if (p == .5) return 0;
double r = p;
if (p > .5) r = 1.0 - r;
double t = sqrt(-2.0*log(r));
double num = ((((t*p4 + p3) * t + p2) * t + p1) * t + p0);
double den = ((((t*q4 + q3) * t + q2) * t + q1) * t + q0);
double ppf = t + num/den;
if (p < .5) ppf = - ppf;
return ppf;
}
int
main()
{
BOOST_THROW_EXCEPTION( my_exception() << my_int(42) );
BOOST_TEST(called);
return boost::report_errors();
}
////////////////////////////////////////////////////////////////////////////////
// MobileStation::get_connection_AC //
// //
// returns access category of the connection with a terminal. If the //
// connection does not exist then an exception is thrown. //
////////////////////////////////////////////////////////////////////////////////
accCat MobileStation::get_connection_AC(Terminal* t) {
if (t != connected.first)
throw(my_exception(GENERAL,
"unknown terminal in MobileStation::get_connection_AC"));
return connected.second;
}
ScalarWithExceptions operator+(const ScalarWithExceptions& other) const
{
countdown--;
if(countdown<=0)
throw my_exception();
return ScalarWithExceptions(*v+*other.v);
}
void echo( push_coro_t & sink, int j)
{
for ( int i = 0; i < j; ++i)
{
if ( i == 5) boost::throw_exception( my_exception("abc") );
sink( i);
}
}
////////////////////////////////////////////////////////////////////////////////
// AccessPoint::get_current_mode //
////////////////////////////////////////////////////////////////////////////////
transmission_mode AccessPoint::get_current_mode(Terminal* t,unsigned pl) {
map<Terminal*, tuple<link_adapt, Traffic*, accCat> >::iterator it = connection.find(t);
if (it == connection.end())
throw(my_exception(GENERAL,
"unknown terminal in AccessPoint::get_current_mode"));
return (get<0>(it->second)).get_current_mode(pl);
}
////////////////////////////////////////////////////////////////////////////////
// AccessPoint::get_connection_AC //
// //
// returns access category of the connection with a terminal. If the //
// connection does not exist then an exception is thrown. //
////////////////////////////////////////////////////////////////////////////////
accCat AccessPoint::get_connection_AC(Terminal* t) {
map<Terminal*, tuple<link_adapt, Traffic*, accCat> >::const_iterator it =
connection.find(t);
if (it == connection.end())
throw(my_exception(GENERAL,
"unknown terminal in AccessPoint::get_connection_AC"));
return get<2>(it->second);
}
void operator()() const
{
boost::unique_lock<boost::mutex> lock(m);
++pass_counter;
if(pass_counter<3)
{
throw my_exception();
}
}
////////////////////////////////////////////////////////////////////////////////
// Simulation::run //
// //
// starts all simulations, iterates over all parameter combinations //
////////////////////////////////////////////////////////////////////////////////
void Simulation::run() {
int n_it = 0;
do {
n_it++;
if(sim_par.get_partResults()) {
cout << "\n\nIteration " << n_it << "\n " << sim_par << "\n" << endl;
out << "\n\nIteration " << n_it << "\n " << sim_par << "\n" << endl;
}
if (log(log_type::setup))
log << "\n\nIteration " << n_it << "\n\t" << sim_par << "\n"
<< endl;
/*
#ifdef _SAVE_RATE_ADAPT
rate_adapt_file_ch << "\n\nIteration " << n_it << "\n\t" << sim_par << "\n"
<< "Time ,term 1,term 2,path loss ,"
<< "fading(R) ,fading(I)\n";
rate_adapt_file_ch.setf(ios::left);
rate_adapt_file_rt << "\n\nIteration " << n_it << "\n\t" << sim_par << "\n"
<< "Time ,sender,target,data rate\n";
rate_adapt_file_rt.setf(ios::left);
#endif
*/
main_sch.init();
randgent.seed(sim_par.get_Seed());
Standard::set_standard(sim_par.get_standard(),sim_par.get_bandwidth(),sim_par.get_shortGI());
if(sim_par.get_TxMode() > Standard::get_maxMCS())
throw (my_exception("MCS not supported by standard."));
channel_struct ch_par(sim_par.get_LossExponent(),
sim_par.get_RefLoss(),
sim_par.get_DopplerSpread(),
sim_par.get_NumberSinus());
ch = new Channel(&main_sch, &randgent, ch_par, &log);
init_terminals();
start_sim();
wrap_up();
delete ch;
for (vector<Terminal*>::iterator it = term_vector.begin();
it != term_vector.end(); ++it) delete *it;
term_vector.clear();
} while (sim_par.new_iteration());
final_results();
}
////////////////////////////////////////////////////////////////////////////////
// MobileStation::connect //
// //
// creates connection to another terminal //
////////////////////////////////////////////////////////////////////////////////
void MobileStation::connect(Terminal* t, adapt_struct ad, traffic_struct ts, accCat AC) {
if (connected.first != this) {
throw(my_exception("second connection attempted to a Mobile Station"));
}
connected = make_pair(t,AC);
tr = new Traffic(ptr2sch, randgen, mylog, this, t, ts);
la = link_adapt(this, t, ad, mylog);
}
////////////////////////////////////////////////////////////////////////////////
// Simulation constructor //
////////////////////////////////////////////////////////////////////////////////
Simulation::Simulation(string dir, string par) : wdir(dir) {
if (!sim_par.read_param(wdir)) throw (my_exception(CONFIG));
log.open (wdir,sim_par.get_Log());
string filename = wdir + '\\' + OUTPUT_FILE_NAME + OUTPUT_FILE_EXTENSION;
out.open(filename.c_str());
run();
}
void test_ontop_exception() {
value1 = 0;
value2 = "";
void * ignored;
ctx::captured_context ctx( fn6);
std::tie( ctx, ignored) = ctx();
BOOST_CHECK_EQUAL( 3, value1);
const char * what = "hello world";
ctx( ctx::exec_ontop_arg,
[what](ctx::captured_context ctx, void * data){
throw my_exception( what, std::move( ctx) );
return std::make_tuple( std::move( ctx), data);
});
BOOST_CHECK_EQUAL( 3, value1);
BOOST_CHECK_EQUAL( std::string( what), value2);
}
int
main()
{
try
{
errno=1;
throw my_exception() << info_errno(errno);
BOOST_TEST(false);
}
catch(
my_exception & x )
{
BOOST_TEST(1==*boost::get_error_info<info_errno>(x));
}
return boost::report_errors();
}
int
main()
{
try
{
boost::throw_exception(my_exception());
BOOST_ERROR("boost::throw_exception failed to throw.");
}
catch(
my_exception & )
{
}
catch(
... )
{
BOOST_ERROR("boost::throw_exception malfunction.");
}
return boost::report_errors();
}
int main() {
ctx::fiber f{[](ctx::fiber && f) ->ctx::fiber {
std::cout << "entered" << std::endl;
try {
f = std::move( f).resume();
} catch ( my_exception & ex) {
std::cerr << "my_exception: " << ex.what() << std::endl;
return std::move( ex.f);
}
return {};
}};
f = std::move( f).resume();
f = std::move( f).resume_with([](ctx::fiber && f) ->ctx::fiber {
throw my_exception(std::move( f), "abc");
return {};
});
std::cout << "main: done" << std::endl;
return EXIT_SUCCESS;
}
int
main()
{
try
{
throw my_exception();
}
catch(
std::exception & e )
{
try
{
throw;
}
catch(
...)
{
BOOST_TEST(boost::current_exception_cast<std::exception>()==&e);
BOOST_TEST(!boost::current_exception_cast<polymorphic>());
}
}
return boost::report_errors();
}
int
main()
{
try
{
throw my_exception();
}
catch(
boost::exception & e )
{
e.set<tag1>(42);
e.set<tag2>("42");
e.set<tag_error_code>(42); //Implicit conversion
try
{
throw;
}
catch(
my_exception & e )
{
BOOST_TEST(e.get<tag1>() && *e.get<tag1>()==42);
BOOST_TEST(e.get<tag2>() && *e.get<tag2>()=="42");
BOOST_TEST(!e.get<tag3>());
BOOST_TEST(e.get<tag_error_code>() && e.get<tag_error_code>()->ec==42);
//Below we're verifying that an error code wrapped in a user-defined type
//invokes the correct op<< to convert the error code to string.
//Note that N3757 diagnostic_information uses different syntax, it is a
//member of of std::exception.
std::string di=boost::diagnostic_information(e);
BOOST_TEST(!di.empty());
BOOST_TEST(my_error_code_to_string_called);
}
}
return boost::report_errors();
}
void some_func( int i ) { if( i>0 ) throw my_exception( i ); }
void set_promise_exception_thread(boost::promise<int>* p)
{
p->set_exception(boost::copy_exception(my_exception()));
}
////////////////////////////////////////////////////////////////////////////////
// Simulation::wrap_up //
// //
// ends one iteration and collect performance results, //
// outputs them if required (if 'it_file_flag == true') //
////////////////////////////////////////////////////////////////////////////////
void Simulation::wrap_up () {
res_stats res;
if(main_sch.now() <= sim_par.get_TransientTime())
throw (my_exception("transient time was longer than simulation time"));
double ellapsed_time = double(main_sch.now() - sim_par.get_TransientTime());
if(sim_par.get_partResults()) {
out.setf(ios::right | ios::fixed);
out << Standard::get_standard() << endl;
out << "Term Position dist. AC throughput transfer_t tx_time packets"
<< " kbytes pack_loss overflow queue_l tx_rate(PHY) tx_power" << endl;
out << " m m Mbps ms ms "
<< " Mbps mW" << endl;
}
for (vector<Terminal*>::iterator it = term_vector.begin();
it != term_vector.end(); ++it) {
double tp = (*it)->get_n_bytes()*8.0/ellapsed_time/1e6;
res.add (res_struct(tp,(*it)->get_transfer_delay(),
(*it)->get_transfer_delay_std(),
(*it)->get_transmission_delay(),
(*it)->get_transmission_delay_std(),
(*it)->get_packet_loss_rate(),
(*it)->get_overflow_rate(),
(*it)->get_queue_length(),
(*it)->get_average_power()));
if(sim_par.get_partResults()) {
out << setw(4) << (*it)->get_id() << " ";
out.precision(0);
out.width(3);
out << (*it)->get_pos();
out.precision(1);
out << setw(5) << ((*it)->get_pos()).distance();
out << " " << (*it)->get_term_ACs();
out.precision(3);
out << " " << setw(8) << tp;
out.precision(2);
out << setw(12) << (*it)->get_transfer_delay() * 1000;
out << setw(8) << (*it)->get_transmission_delay() * 1000;
out << setw(8) << (*it)->get_n_packets();
out << setw(8) << (*it)->get_n_bytes()/1000;
out.precision(4);
out << setw(8) << (*it)->get_packet_loss_rate();
out << setw(9) << (*it)->get_overflow_rate();
out.precision(1);
out << setw(8) << (*it)->get_queue_length();
out.precision(2);
out << setw(10) << (*it)->get_tx_data_rate();
out.precision(1);
out << setw(9) << (*it)->get_average_power();
out << endl;
}
}
if(sim_par.get_partResults()) {
out.unsetf(ios::right | ios::fixed);
out.precision(6);
}
res_struct restotal(res.throughput.sum(), res.transfer_time.mean(),
res.transfer_time_std.mean(), res.tx_time.mean(),
res.tx_time_std.mean(), res.packet_loss_rate.mean(),
res.overflow_rate.mean(), res.queue_length.mean(),
res.average_power.mean());
if(sim_par.get_partResults()) {
out << "\n Total throughput = " << restotal.throughput << " Mbps\n";
cout << "\nTotal throughput = " << restotal.throughput << " Mbps\n";
out << " Average transfer time = " << restotal.transfer_time << "s\n";
cout << "\nAverage transfer time = " << restotal.transfer_time << "s\n";
out << " Average transmission time = " << restotal.tx_time << "s\n";
cout << "\nAverage transmission time = " << restotal.tx_time << "s\n";
out << " Packet loss rate = " << restotal.packet_loss_rate << "\n";
cout << "\nPacket loss rate = " << restotal.packet_loss_rate << "\n";
out << " Overflow rate = " << restotal.overflow_rate << "\n";
cout << "\nOverflow rate = " << restotal.overflow_rate << "\n";
}
results.push_back(restotal);
}
int main() {
std::cout << "*** Testing ThreadPool ***" << std::endl;
doTest("post job", []() {
ThreadPool pool;
std::packaged_task<int()> t([](){
std::this_thread::sleep_for(std::chrono::milliseconds(1));
return 42;
});
std::future<int> r = t.get_future();
pool.post(t);
ASSERT(42 == r.get());
});
doTest("process job", []() {
ThreadPool pool;
std::future<int> r = pool.process([]() {
std::this_thread::sleep_for(std::chrono::milliseconds(1));
return 42;
});
ASSERT(42 == r.get());
});
struct my_exception {};
doTest("process job with exception", []() {
ThreadPool pool;
std::future<int> r = pool.process([]() {
std::this_thread::sleep_for(std::chrono::milliseconds(1));
throw my_exception();
return 42;
});
try {
ASSERT(r.get() == 42 && !"should not be called, exception expected");
} catch (const my_exception &e) {
}
});
doTest("multiple compilation units", []() {
extern size_t getWorkerIdForCurrentThread();
extern size_t getWorkerIdForCurrentThread2();
ThreadPool pool;
std::future<std::tuple<size_t, size_t, size_t, size_t>> r = pool.process([]() {
return std::make_tuple(Worker::getWorkerIdForCurrentThread(),
*detail::thread_id(),
getWorkerIdForCurrentThread(),
getWorkerIdForCurrentThread2());
});
const auto t = r.get();
const auto id0 = std::get<0>(t);
const auto id1 = std::get<1>(t);
const auto id2 = std::get<2>(t);
const auto id3 = std::get<3>(t);
std::cout << " " << id0 << " " << id1 << " " << id2 << " " << id3;
ASSERT(id0 == id1);
ASSERT(id1 == id2);
ASSERT(id2 == id3);
});
}
////////////////////////////////////////////////////////////////////////////////
// student_ppf //
// //
// calculates the percent point function (inverse of the cdf) for student's t //
// distribution at a a given probability 'p' for 'nu' degrees of freedom. //
// 'nu' must be strictly positive and 0 < p < 1. //
// //
// Implementation algorithm translated from FORTRAN code in DATAPAC //
// http://gams.nist.gov/serve.cgi/ModuleComponent/2732/Documentation/ITL/tppf //
////////////////////////////////////////////////////////////////////////////////
double student_ppf(double p, int nu) {
const double b21 = .25;
const double b31 = .01041666666667;
const double b32 = 5.0;
const double b33 = 16.0;
const double b34 = 3.0;
const double b41 = 0.00260416666667;
const double b42 = 3.0;
const double b43 = 19.0;
const double b44 = 17.0;
const double b45 = -15.0;
const double b51 = 0.00001085069444;
const double b52 = 79.0;
const double b53 = 776.0;
const double b54 = 1482.0;
const double b55 = -1920.0;
const double b56 = -945.0;
const int maxit = 5;
if (p <= 0 || p >= 1.0 || nu < 1) {
throw(my_exception("invalid argument in function student_ppf"));
return 0;
}
if (nu == 1) {
double arg = M_PI * p;
return -cos(arg) / sin(arg);
} else if (nu == 2) {
double term1 = M_SQRT2 / 2.0;
double term2 = 2.0 * p - 1.0;
double term3 = sqrt(p*(1.0-p));
return term1 * term2 / term3;
} else {
double ppfn = norm_ppf(p);
double d1 = ppfn;
double d3 = ppfn * ppfn * ppfn;
double d5 = d3 * ppfn * ppfn;
double d7 = d5 * ppfn * ppfn;
double d9 = d7 * ppfn * ppfn;
double term1 = d1;
double term2 = b21 * (d3 + d1) / double(nu);
double term3 = b31 * (b32*d5 + b33*d3 + b34*d1) / double(nu*nu);
double term4 = b41 * (b42*d7 + b43*d5 + b44*d3 + b45*d1) / double(nu*nu*nu);
double term5 = b51 * (b52*d9 + b53*d7 + b54*d5 + b55*d3 + b56*d1)
/ double(nu*nu*nu*nu);
double ppf = term1 + term2 + term3 + term4 + term5;
if (nu == 3) {
double con = M_PI * (p - .5);
double arg = ppf / sqrt(double(nu));
double z = atan(arg);
double s, c;
for (int i = 1; i <= maxit; ++i) {
s = sin(z);
c = cos(z);
z -= (z + s*c - con) / (2.0*c*c);
}
ppf = sqrt(double(nu)) * s / c;
} else if (nu == 4) {
double con = 2.0 * (p - .5);
double arg = ppf / sqrt(double(nu));
double z = atan(arg);
double s, c;
for (int i = 1; i <= maxit; ++i) {
s = sin(z);
c = cos(z);
z -= ((1.0 + .5*c*c) * s - con) / (1.5*c*c*c);
}
ppf = sqrt(double(nu)) * s / c;
} else if (nu == 5) {
double con = M_PI * (p - .5);
double arg = ppf / sqrt(double(nu));
double z = atan(arg);
double s, c;
for (int i = 1; i <= maxit; ++i) {
s = sin(z);
c = cos(z);
z -= (z + (c + (2.0/3.0)*c*c*c) * s - con) / ((8.0/3.0)*c*c*c*c);
}
ppf = sqrt(double(nu)) * s / c;
} else if (nu == 6) {
double con = 2.0 * (p - .5);
double arg = ppf / sqrt(double(nu));
double z = atan(arg);
double s, c;
for (int i = 1; i <= maxit; ++i) {
s = sin(z);
c = cos(z);
z -= ((1.0 + .5*c*c + .375*c*c*c*c) * s - con) / ((15.0/8.0)*c*c*c*c*c);
}
ppf = sqrt(double(nu)) * s / c;
}
return ppf;
}
}
void fn6() {
boost::throw_exception( my_exception() );
}
int fn5() {
boost::throw_exception( my_exception() );
return 3;
}
A fn10() {
boost::throw_exception( my_exception() );
return A();
}
int main() {
std::cout << "*** Testing ThreadPool ***" << std::endl;
doTest("post job", []() {
ThreadPool pool;
std::packaged_task<int()> t([](){
std::this_thread::sleep_for(std::chrono::milliseconds(1));
return 42;
});
std::future<int> r = t.get_future();
pool.post(t);
ASSERT(42 == r.get());
});
doTest("process job", []() {
ThreadPool pool;
std::future<int> r = pool.process([]() {
std::this_thread::sleep_for(std::chrono::milliseconds(1));
return 42;
});
ASSERT(42 == r.get());
});
struct my_exception {};
doTest("process job with exception", []() {
ThreadPool pool;
std::future<int> r = pool.process([]() {
std::this_thread::sleep_for(std::chrono::milliseconds(1));
throw my_exception();
return 42;
});
try {
ASSERT(r.get() == 42 && !"should not be called, exception expected");
} catch (const my_exception &e) {
}
});
doTest("post job to threadpool with onStart/onStop", []() {
std::atomic<int> someValue{0};
ThreadPoolOptions options;
options.onStart = [&someValue](){ ++someValue; };
options.onStop = [&someValue](){ --someValue; };
if (true) {
ThreadPool pool{options};
std::packaged_task<int()> t([&someValue](){
std::this_thread::sleep_for(std::chrono::milliseconds(1));
return someValue.load();
});
std::future<int> r = t.get_future();
pool.post(t);
const auto result = r.get();
ASSERT(0 < result);
ASSERT(pool.getWorkerCount() == result);
}
ASSERT(0 == someValue);
});
}
int throw_an_exception()
{
printf("throw_an_exception()\n");
// std::cout << "throw_an_exception()" << std::endl;
throw my_exception("my exception");
}
