void work(void)
{
#ifdef _MSC_VER
//TODO use windows API to have timeout
#else
//setup timeval for timeout
timeval tv;
tv.tv_sec = 0;
tv.tv_usec = this->workInfo().maxTimeoutNs/1000; //ns->us
//setup rset for timeout
fd_set rset;
FD_ZERO(&rset);
FD_SET(_fd, &rset);
//call select with timeout
if (::select(_fd+1, &rset, NULL, NULL, &tv) <= 0) return this->yield();
#endif
auto out0 = this->output(0);
void *ptr = out0->buffer();
auto r = read(_fd, ptr, out0->buffer().length);
if (r == 0 and _rewind) lseek(_fd, 0, SEEK_SET);
if (r >= 0) out0->produce(size_t(r)/out0->dtype().size());
else
{
poco_error_f3(Poco::Logger::get("BinaryFileSource"), "read() returned %d -- %s(%d)", int(r), std::string(strerror(errno)), errno);
}
}
/***********************************************************************
* Comparison registration handling
**********************************************************************/
static void handleHashFcnPluginEvent(const Pothos::Plugin &plugin, const std::string &event)
{
poco_debug_f2(Poco::Logger::get("Pothos.Object.handleHashFcnPluginEvent"), "plugin %s, event %s", plugin.toString(), event);
POTHOS_EXCEPTION_TRY
{
//validate the plugin -- if we want to handle it -- check the signature:
if (plugin.getObject().type() != typeid(Pothos::Callable)) return;
const auto &call = plugin.getObject().extract<Pothos::Callable>();
if (call.type(-1) != typeid(size_t)) return;
if (call.getNumArgs() != 1) return;
Poco::RWLock::ScopedWriteLock lock(getMapMutex());
if (event == "add")
{
getHashFcnMap()[call.type(0).hash_code()] = plugin;
}
if (event == "remove")
{
getHashFcnMap()[call.type(0).hash_code()] = Pothos::Plugin();
}
}
POTHOS_EXCEPTION_CATCH(const Pothos::Exception &ex)
{
poco_error_f3(Poco::Logger::get("Pothos.Object.handleHashFcnPluginEvent"),
"exception %s, plugin %s, event %s", ex.displayText(), plugin.toString(), event);
}
static void callPluginEventHandler(const Pothos::Object &handler, const Pothos::Plugin &plugin, const std::string &event)
{
if (not canObjectHandleEvent(handler)) return;
POTHOS_EXCEPTION_TRY
{
handler.extract<Pothos::Callable>().callVoid(plugin, event);
}
POTHOS_EXCEPTION_CATCH(const Pothos::Exception &ex)
{
poco_error_f3(Poco::Logger::get("Pothos.PluginRegistry.handlePluginEvent"),
"exception %s, plugin %s, event %s", ex.displayText(), plugin.toString(), event);
}
