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author | Stefan Radomski <radomski@tk.informatik.tu-darmstadt.de> | 2013-06-10 22:47:14 (GMT) |
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committer | Stefan Radomski <radomski@tk.informatik.tu-darmstadt.de> | 2013-06-10 22:47:14 (GMT) |
commit | 6f56474450b7c54f2c95b5dea6a7a42623141649 (patch) | |
tree | 420c52085d8cf778360c09baf9722b21d01259da /apps/w3c-mmi/mc | |
parent | a154682fc1b25581742d38dd5fe9aa06ede167b7 (diff) | |
download | uscxml-6f56474450b7c54f2c95b5dea6a7a42623141649.zip uscxml-6f56474450b7c54f2c95b5dea6a7a42623141649.tar.gz uscxml-6f56474450b7c54f2c95b5dea6a7a42623141649.tar.bz2 |
W3C MMI Architecture framework
Diffstat (limited to 'apps/w3c-mmi/mc')
-rw-r--r-- | apps/w3c-mmi/mc/uscxml-modality-component.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/apps/w3c-mmi/mc/uscxml-modality-component.cpp b/apps/w3c-mmi/mc/uscxml-modality-component.cpp new file mode 100644 index 0000000..afe4e7f --- /dev/null +++ b/apps/w3c-mmi/mc/uscxml-modality-component.cpp @@ -0,0 +1,191 @@ +#include "uscxml/config.h" +#include "uscxml/Interpreter.h" +#include <glog/logging.h> + +#ifdef HAS_SIGNAL_H +#include <signal.h> +#endif + +#ifdef HAS_EXECINFO_H +#include <execinfo.h> +#endif + +#ifdef HAS_DLFCN_H +#include <dlfcn.h> +#endif + +#ifdef _WIN32 +#include "XGetopt.h" +#endif + +class VerboseMonitor : public uscxml::InterpreterMonitor { + void onStableConfiguration(uscxml::Interpreter interpreter) { + printConfig(interpreter.getConfiguration()); + } + + void beforeCompletion(uscxml::Interpreter interpreter) { + printConfig(interpreter.getConfiguration()); + } + + void printConfig(const Arabica::XPath::NodeSet<std::string>& config) { + std::string seperator; + std::cout << "Config: {"; + for (int i = 0; i < config.size(); i++) { + std::cout << seperator << ATTR(config[i], "id"); + seperator = ", "; + } + std::cout << "}" << std::endl; + } +}; + + +#ifdef HAS_EXECINFO_H +void printBacktrace(void** array, int size) { + char** messages = backtrace_symbols(array, size); + for (int i = 0; i < size && messages != NULL; ++i) { + std::cerr << "\t" << messages[i] << std::endl; + } + std::cerr << std::endl; + free(messages); +} + +#ifdef HAS_DLFCN_H +// see https://gist.github.com/nkuln/2020860 +typedef void (*cxa_throw_type)(void *, void *, void (*) (void *)); +cxa_throw_type orig_cxa_throw = 0; + +void load_orig_throw_code() { + orig_cxa_throw = (cxa_throw_type) dlsym(RTLD_NEXT, "__cxa_throw"); +} + +extern "C" +void __cxa_throw (void *thrown_exception, void *pvtinfo, void (*dest)(void *)) { + std::cerr << __FUNCTION__ << " will throw exception from " << std::endl; + if (orig_cxa_throw == 0) + load_orig_throw_code(); + + void *array[50]; + size_t size = backtrace(array, 50); + printBacktrace(array, size); + orig_cxa_throw(thrown_exception, pvtinfo, dest); +} +#endif +#endif + + +// see http://stackoverflow.com/questions/2443135/how-do-i-find-where-an-exception-was-thrown-in-c +void customTerminate() { + static bool tried_throw = false; + try { + // try once to re-throw currently active exception + if (!tried_throw) { + throw; + tried_throw = true; + } else { + tried_throw = false; + }; + } catch (const std::exception &e) { + std::cerr << __FUNCTION__ << " caught unhandled exception. what(): " + << e.what() << std::endl; + } catch (const uscxml::Event &e) { + std::cerr << __FUNCTION__ << " caught unhandled exception. Event: " + << e << std::endl; + } catch (...) { + std::cerr << __FUNCTION__ << " caught unknown/unhandled exception." + << std::endl; + } + +#ifdef HAS_EXECINFO_H + void * array[50]; + int size = backtrace(array, 50); + + printBacktrace(array, size); +#endif + abort(); +} + +void printUsageAndExit() { + printf("uscxml-browser version " USCXML_VERSION " (" CMAKE_BUILD_TYPE " build - " CMAKE_COMPILER_STRING ")\n"); + printf("Usage\n"); + printf("\tuscxml-browser"); +#ifdef BUILD_AS_PLUGINS + printf(" [-d pluginPath]"); +#endif + printf(" URL\n"); + printf("\n"); + printf("Options\n"); + printf("\t-v : be verbose\n"); + printf("\t-pN : port for HTTP server\n"); + printf("\n"); + exit(1); +} + +int main(int argc, char** argv) { + using namespace uscxml; + + std::set_terminate(customTerminate); + +#if defined(HAS_SIGNAL_H) && !defined(WIN32) + signal(SIGPIPE, SIG_IGN); +#endif + + if (argc < 2) { + printUsageAndExit(); + } + + bool verbose = false; + size_t port = 8080; + google::InitGoogleLogging(argv[0]); + google::LogToStderr(); + +#ifndef _WIN32 + opterr = 0; +#endif + int option; + while ((option = getopt(argc, argv, "vl:d:p:")) != -1) { + switch(option) { + case 'l': + google::InitGoogleLogging(optarg); + break; + case 'd': + uscxml::Factory::pluginPath = optarg; + break; + case 'p': + port = strTo<size_t>(optarg); + break; + case 'v': + verbose = true; + break; + case '?': + break; + default: + printUsageAndExit(); + break; + } + } + +// for (int i = 0; i < argc; i++) +// std::cout << argv[i] << std::endl; +// std::cout << optind << std::endl; + + // intialize http server on given port + HTTPServer::getInstance(port); + + LOG(INFO) << "Processing " << argv[optind]; + Interpreter interpreter = Interpreter::fromURI(argv[optind]); + if (interpreter) { + interpreter.setCmdLineOptions(argc, argv); +// interpreter->setCapabilities(Interpreter::CAN_NOTHING); +// interpreter->setCapabilities(Interpreter::CAN_BASIC_HTTP | Interpreter::CAN_GENERIC_HTTP); + + if (verbose) { + VerboseMonitor* vm = new VerboseMonitor(); + interpreter.addMonitor(vm); + } + + interpreter.start(); + while(interpreter.runOnMainThread(25)); + } + + return EXIT_SUCCESS; +}
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