static void TestThread2(TSArray<int> *ap)
{
boost::this_thread::sleep(boost::posix_time::milliseconds(1000));
cout << "Thread 2 attempting to lock element 0." << endl;
ap->Lock(0); //Attempt to lock element 0; will block for 4 seconds.
cout << "Thread 2 locked element 0." << endl;
(*ap)[0] = 12;
bar.wait(); //resynchronise
cout << "Thread 2 locking element 3." << endl;
ap->Lock(3);
boost::this_thread::sleep(boost::posix_time::milliseconds(5000));
cout << "Thread 2 releasing element 3." << endl;
ap->Unlock(3);
bar.wait(); //resynchronise
//A more "real world" example in which two threads are inevitably going to interact
for(unsigned i=6;i<1000;i++)
{
ap->Lock(i);
(*ap)[i] = (*ap)[i-1] - 1;
ap->Unlock(i);
}
}
void runner(std::size_t thread_index, boost::barrier& data_barrier, data_t& data) {
for (std::size_t i = 0; i < 1000; ++ i) {
fill_data(data.at(thread_index));
data_barrier.wait();
if (!thread_index) {
compute_send_data(data);
}
data_barrier.wait();
}
}
std::pair<std::vector<unsigned> , unsigned> evaluate(unsigned num_iterations)
{
thread_num_iterations = num_iterations;
thread_score = std::vector<unsigned>(def_decks.size(), 0u);
thread_total = 0;
thread_compare = false;
// unlock all the threads
main_barrier.wait();
// wait for the threads
main_barrier.wait();
return(std::make_pair(thread_score, thread_total));
}
bool start() {
bool throws = false;
t_ = std::thread([&]() {
server_->start([&]() { barrier_.wait(); },
[&](std::exception_ptr /*ex*/) {
throws = true;
server_ = nullptr;
barrier_.wait();
});
});
barrier_.wait();
return !throws;
}
std::pair<std::vector<unsigned> , unsigned> compare(unsigned num_iterations, double prev_score)
{
thread_num_iterations = num_iterations;
thread_score = std::vector<unsigned>(def_decks.size(), 0u);
thread_total = 0;
thread_prev_score = prev_score;
thread_compare = true;
thread_compare_stop = false;
// unlock all the threads
main_barrier.wait();
// wait for the threads
main_barrier.wait();
return(std::make_pair(thread_score, thread_total));
}
static void TestThread1(TSArray<int> *ap)
{
cout << "Thread 1 locking element 0." << endl;
ap->Lock(0);
boost::this_thread::sleep(boost::posix_time::milliseconds(5000));
(*ap)[0] = 10;
cout << "Thread 1 releasing element 0." << endl;
ap->Unlock(0);
bar.wait(); //resynchronise
boost::this_thread::sleep(boost::posix_time::milliseconds(1000));
cout << "Thread 1 attempting to lock and set element 1." << endl;
ap->Lock(1);
(*ap)[1] = (*ap)[0] + 2;
ap->Unlock(1);
cout << "Thread 1 attempting to lock and set element 2." << endl;
ap->Lock(2);
(*ap)[2] = (*ap)[1] + 2;
ap->Unlock(2);
cout << "Thread 1 attempting to lock and set element 3." << endl;
ap->Lock(3);
(*ap)[3] = (*ap)[2] + 2;
ap->Unlock(3);
cout << "Thread 1 attempting to lock and set element 4." << endl;
ap->Lock(4);
(*ap)[4] = (*ap)[3] + 2;
ap->Unlock(4);
cout << "Thread 1 attempting to lock and set element 5." << endl;
ap->Lock(5);
(*ap)[5] = (*ap)[4] + 2;
ap->Unlock(5);
bar.wait(); //resynchronise
//A more "real world" example in which two threads are inevitably going to interact
for(unsigned i=6;i<1000;i++)
{
ap->Lock(i);
(*ap)[i] = (*ap)[i-1] + 1;
ap->Unlock(i);
}
}
int main(int argc, char* argv[])
{
if (argc < 2)
{
boost::filesystem::path exePath(argv[0]);
std::cout << "usage: " << exePath.filename().string() << " <RTSP url of stream>" << std::endl;
return -1;
}
boost::program_options::options_description desc("");
desc.add_options()
("no-display", "")
("url", boost::program_options::value<std::string>(), "url")
("interface", boost::program_options::value<std::string>(), "interface")
("buffer-size", boost::program_options::value<unsigned long>(), "buffer-size");
boost::program_options::positional_options_description p;
p.add("url", -1);
boost::program_options::variables_map vm;
boost::program_options::store(boost::program_options::command_line_parser(argc, argv).
options(desc).positional(p).run(), vm);
boost::program_options::notify(vm);
const char* interfaceAddress;
if (vm.count("interface"))
{
interfaceAddress = vm["interface"].as<std::string>().c_str();
}
else
{
interfaceAddress = "0.0.0.0";
}
unsigned long bufferSize;
if (vm.count("buffer-size"))
{
bufferSize = vm["buffer-size"].as<unsigned long>();
}
else
{
bufferSize = DEFAULT_SINK_BUFFER_SIZE;
}
std::cout << "Buffer size " << to_human_readable_byte_count(bufferSize, false, false) << std::endl;
rtspClient = RTSPCubemapSourceClient::create(vm["url"].as<std::string>().c_str(), bufferSize, AV_PIX_FMT_RGBA, false, interfaceAddress);
std::function<void (RTSPCubemapSourceClient*, CubemapSource*)> callback(boost::bind(&onDidConnect, _1, _2));
rtspClient->setOnDidConnect(callback);
rtspClient->connect();
barrier.wait();
Renderer renderer(cubemapSource);
renderer.setOnDisplayedCubemapFace(boost::bind(&onDisplayedCubemapFace, _1, _2));
renderer.setOnDisplayedFrame(boost::bind(&onDisplayedFrame, _1));
renderer.start(); // Returns when window is closed
CubemapSource::destroy(cubemapSource);
}
void operator() ()
{
rtc_clock timer;
unsigned char tmp[chunk_size];
thread_sync->wait();
timer.reset();
timer.start();
for(unsigned long i=0;i<BUFFER_SIZE;i+=chunk_size) {
memcpy(tmp, buffer1 + i, chunk_size);
}
timer.stop();
double mbps = ((double)BUFFER_SIZE)/timer.elapsed_time();
BOOST_LOG_TRIVIAL(info) << "MEMREAD_SPEED "<< convert(mbps) << "MB/s";
timer.reset();
timer.start();
for(unsigned long i=0;i<BUFFER_SIZE;i+=chunk_size) {
memcpy(buffer1 + i, tmp, chunk_size);
}
timer.stop();
mbps = ((double)BUFFER_SIZE)/timer.elapsed_time();
BOOST_LOG_TRIVIAL(info) << "MEMWRITE_SPEED "<< convert(mbps) << "MB/s";
timer.reset();
timer.start();
for(unsigned long i=0;i<BUFFER_SIZE;i+=chunk_size) {
memcpy(buffer2 + i, buffer1 + i, chunk_size);
}
timer.stop();
mbps = ((double)BUFFER_SIZE)/timer.elapsed_time();
BOOST_LOG_TRIVIAL(info) << "MEMCPY_SPEED "<< convert(mbps) << "MB/s";
}
~Process()
{
destroy_threads = true;
main_barrier.wait();
for(auto thread: threads) { thread->join(); }
for(auto data: threads_data) { delete(data); }
}
void operator() ()
{
rtc_clock timer;
unsigned char tmp[chunk_size];
const unsigned long mask = buffer_items - 1;
thread_sync->wait();
timer.reset();
timer.start();
for(unsigned long i=0,j=0;i<buffer_items;i++) {
memcpy(tmp, buffer1 + j*chunk_size, chunk_size);
j=LCG_NEXT(j,mask);
}
timer.stop();
double mbps = ((double)buffer_items*chunk_size)/timer.elapsed_time();
BOOST_LOG_TRIVIAL(info) << "MEMREAD_SPEED "<< convert(mbps) << "MB/s";
timer.reset();
timer.start();
for(unsigned long i=0,j=0;i<buffer_items;i++) {
memcpy(buffer1 + j*chunk_size, tmp, chunk_size);
j=LCG_NEXT(j,mask);
}
timer.stop();
mbps = ((double)buffer_items*chunk_size)/timer.elapsed_time();
BOOST_LOG_TRIVIAL(info) << "MEMWRITE_SPEED "<< convert(mbps) << "MB/s";
timer.reset();
timer.start();
for(unsigned long i=0,j=0;i<buffer_items;i++) {
memcpy(buffer2 + j*chunk_size, buffer1 + j*chunk_size, chunk_size);
j=LCG_NEXT(j,mask);
}
timer.stop();
mbps = ((double)buffer_items*chunk_size)/timer.elapsed_time();
BOOST_LOG_TRIVIAL(info) << "MEMCPY_SPEED "<< convert(mbps) << "MB/s";
}
void stopStreaming()
{
env->taskScheduler().triggerEvent(removeFaceSubstreamsTriggerId, NULL);
env->taskScheduler().triggerEvent(removeBinularsSubstreamTriggerId, NULL);
stopStreamingBarrier.wait();
delete shm;
}
void wait_fn( boost::barrier & b,
boost::fibers::mutex & mtx,
boost::fibers::condition_variable & cond,
bool & flag) {
b.wait();
std::unique_lock< boost::fibers::mutex > lk( mtx);
cond.wait( lk, [&flag](){ return flag; });
++value;
}
void invoke_n_workers(
boost::barrier& b
, double& elapsed
, boost::uint64_t workers
)
{
b.wait();
invoke_n_workers_nowait(elapsed, workers);
}
static void
doit(const std::vector<const FgVariant*> & /*sources*/,
const std::vector<FgVariant*> & /*sinks*/)
{
// First wait for both threads to reach so we can force
// one exception to be thrown first. Note that if you get
// a deadlock here, something is seriously screwed :-)
m_barrier.wait();
fgThrow("Thrown from multiple threads at the same time!");
}
void notify_all_fn( boost::barrier & b,
boost::fibers::mutex & mtx,
boost::fibers::condition_variable & cond,
bool & flag) {
b.wait();
std::unique_lock< boost::fibers::mutex > lk( mtx);
flag = true;
lk.unlock();
cond.notify_all();
}
static void thread_func_TestPercentiles(boost::barrier& bar, MetricsFactory* factory, const char* name)
{
Metric& metric = factory->get(name);
bar.wait();
for (int j=0; j < 25; j++) {
double source[] = { 43, 54, 56, 61, 62, 66, 68, 69, 69, 70, 71, 72, 77, 78, 79, 85, 87, 88, 89, 93, 95, 96, 98, 99, 99 };
for (size_t i=0; i < sizeof(source)/sizeof(*source); i++) {
metric.update(source[i]);
}
}
}
//! This function is executed in multiple threads
void thread_fun(boost::barrier& bar)
{
// Wait until all threads are created
bar.wait();
// Now, do some logging
for (unsigned int i = 0; i < LOG_RECORDS_TO_WRITE; ++i)
{
BOOST_LOG(test_lg::get()) << "Log record " << i;
}
}
void test(unsigned int record_count, boost::barrier& bar)
{
BOOST_LOG_SCOPED_THREAD_TAG("ThreadID", boost::this_thread::get_id());
bar.wait();
src::severity_logger< severity_level > slg;
for (unsigned int i = 0; i < record_count; ++i)
{
BOOST_LOG_SEV(slg, warning) << "Test record";
}
}
static void thread_func_TestHistogram(boost::barrier& bar, MetricsFactory* factory, const char* name)
{
Metric& metric = factory->get(name);
bar.wait();
for (int j=0; j < 100; j++) {
metric.update(0);
metric.update(1);
metric.update(10);
metric.update(30);
metric.update(31);
}
}
void threadFunc(FreeList& pool, ros::atomic<bool>& done, ros::atomic<bool>& failed, boost::barrier& b)
{
b.wait();
//ROS_INFO_STREAM("Thread " << boost::this_thread::get_id() << " starting");
uint32_t* vals[10];
uint64_t alloc_count = 0;
while (!done.load())
{
for (uint32_t i = 0; i < 10; ++i)
{
vals[i] = static_cast<uint32_t*>(pool.allocate());
if (vals[i])
{
++alloc_count;
*vals[i] = i;
}
else
{
ROS_ERROR_STREAM("Thread " << boost::this_thread::get_id() << " failed to allocate");
}
}
for (uint32_t i = 0; i < 10; ++i)
{
if (vals[i])
{
if (*vals[i] != i)
{
ROS_ERROR_STREAM("Thread " << boost::this_thread::get_id() << " val " << vals[i] << " " << i << " = " << *vals[i]);
failed.store(true);
}
pool.free(vals[i]);
}
}
if (failed.load())
{
#if FREE_LIST_DEBUG
boost::mutex::scoped_lock lock(g_debug_mutex);
g_debug.push_back(*pool.getDebug());
#endif
return;
}
}
//ROS_INFO_STREAM("Thread " << boost::this_thread::get_id() << " allocated " << alloc_count << " blocks");
}
//! This function is executed in multiple threads
void thread_fun(boost::barrier& bar)
{
// Wait until all threads are created
bar.wait();
// Here we go. First, identify the thread.
BOOST_LOG_SCOPED_THREAD_TAG("ThreadID", boost::this_thread::get_id());
// Now, do some logging
for (unsigned int i = 0; i < LOG_RECORDS_TO_WRITE; ++i)
{
BOOST_LOG(test_lg::get()) << "Log record " << i;
}
}
inline void worker(
boost::barrier& b
, boost::uint64_t updates
)
{
b.wait();
for (double i = 0.; i < updates; ++i)
{
global_scratch.reset(new double);
*global_scratch += 1. / (2. * i * (*global_scratch) + 1.);
global_scratch.reset();
}
}
inline void worker(
boost::barrier& b
, std::uint64_t updates
)
{
b.wait();
for (double i = 0.; i < updates; ++i)
{
global_scratch = new double;
*global_scratch += 1. / (2. * i * (*global_scratch) + 1.);
delete global_scratch;
}
}
void operator() () {
timestamp::buf_type buf[2];
if (barrier != NULL)
barrier->wait();
for (int i=0; i < iterations; i++) {
hr.start_incr();
int n = timestamp::update_and_write(
DATE_TIME_WITH_USEC, buf[0], sizeof(buf[0]));
hr.stop_incr();
time_val t1 = now_utc();
if (n != 24 || strlen(buf[0]) != 24) {
std::cerr << "Wrong buffer length: " << buf[0] << std::endl;
BOOST_REQUIRE_EQUAL(24, n);
}
hr.start_incr();
timestamp::update_and_write(
DATE_TIME_WITH_USEC, buf[1], sizeof(buf[1]));
hr.stop_incr();
time_val t2 = now_utc();
if (strcmp(buf[0], buf[1]) > 0) {
std::cerr << "Backward time jump detected: "
<< buf[0] << ' ' << buf[1]
<< '(' << t1.sec() << ' ' << t2.sec() << ')' << std::endl;
BOOST_REQUIRE(strcmp(buf[1], buf[0]) >= 0);
}
}
const time_val& tv = hr.elapsed_time();
timestamp::format(TIME_WITH_USEC, tv, buf[0], sizeof(buf[0]));
{
std::stringstream s; s.precision(6);
s << "Thread" << id << " timestamp: "
#ifdef DEBUG_TIMESTAMP
<< "hrcalls=" << timestamp::hrcalls()
<< ", syscalls=" << timestamp::syscalls()
#endif
<< ", speed=" << std::fixed << ((double)iterations / tv.seconds())
<< ", latency=" << (1000000000.0*tv.seconds()/iterations) << " ns";
BOOST_TEST_MESSAGE(s.str());
}
}
void onDidConnect(RTSPCubemapSourceClient* client, CubemapSource* cubemapSource)
{
if (typeid(cubemapSource) == typeid(H264CubemapSource))
{
H264CubemapSource* h264CubemapSource = (H264CubemapSource*)cubemapSource;
h264CubemapSource->setOnReceivedNALU (boost::bind(&onReceivedNALU, _1, _2, _3, _4));
h264CubemapSource->setOnReceivedFrame (boost::bind(&onReceivedFrame, _1, _2, _3, _4));
h264CubemapSource->setOnDecodedFrame (boost::bind(&onDecodedFrame, _1, _2, _3, _4));
h264CubemapSource->setOnColorConvertedFrame(boost::bind(&onColorConvertedFrame, _1, _2, _3, _4));
}
stats.autoSummary(boost::chrono::seconds(10),
AlloReceiver::statValsMaker,
AlloReceiver::postProcessorMaker,
AlloReceiver::formatStringMaker);
::cubemapSource = cubemapSource;
barrier.wait();
}
void store_lines_from_robotstxt_and_output_them(const std::string &host)
{
std::string robotstxt = get_robotstxt(host);
std::istringstream is(robotstxt);
std::string s;
while (std::getline(is, s))
{
auto p = lines.synchronize();
p->emplace_back(s);
}
// wait() blocks until the required number of threads has called wait();
// wait() returns true for only one thread
if (barrier.wait())
{
// value() provides unsynchronized access (no synchronization required
// as only one thread iterates over and outputs the lines)
for (auto &line : lines.value())
std::cout << line << '\n';
}
}
void operator()()
{
// [mlr] first, i signal that i'm ready and wait until all of my
// siblings are ready.
std::cout << "thread \"" << my_name << "\" waiting for barrier."
<< std::endl;
my_start_barrier->wait();
// [mlr] i should not need the barrier again.
my_start_barrier = NULL;
std::cout << "thread \"" << my_name << "\" beginning service loop."
<< std::endl;
// [mlr] now, i run the thread's main loop until it's time to exit.
while (my_service.service())
continue;
std::cout << "thread \"" << my_name << "\" finished."
<< std::endl;
}
void f(
boost::barrier & tb,
boost::fibers::spin::barrier & fb)
{
std::stringstream tss;
tss << boost::this_thread::get_id();
fprintf( stderr, "start thread %s\n", tss.str().c_str() );
boost::fibers::scheduler<> sched;
sched.make_fiber( & fn1, boost::ref( fb), boost::fiber::default_stacksize);
tb.wait();
for (;;)
{
while ( sched.run() );
if ( sched.empty() ) break;
}
fprintf( stderr, "end thread %s\n", tss.str().c_str() );
}
void FiberDriverServer::worker(boost::barrier& b)
{
b.wait();
LOG(INFO) << "thread running.";
for(;;)
{
try
{
parent_type::run();
// normal exit
if (normal_stop_)
break;
else
{
LOG(ERROR) << "driver stopped by accident.";
}
}
catch (std::exception& e)
{
LOG(ERROR) << "[DriverServer] "
<< e.what() << std::endl;
}
}
}
/// thread execution function
static void thread_function(boost::barrier& b)
{
b.wait(); /// wait until memory barrier allows the execution
boost::mutex::scoped_lock lock(m); /// lock mutex
BOOST_CHECK_EQUAL(1,0); /// produce the fault
}