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#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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