uscxml-browser.cpp

#include "uscxml/config.h"
#include "uscxml/Interpreter.h"
#include "uscxml/InterpreterOptions.h"
#include "uscxml/debug/InterpreterIssue.h"
#include "uscxml/debug/DebuggerServlet.h"
#include "uscxml/interpreter/InterpreterMonitor.h"
#include "uscxml/util/DOM.h"

#include "uscxml/interpreter/Logging.h"

#include "uscxml/plugins/Factory.h"
#include "uscxml/server/HTTPServer.h"


int main(int argc, char** argv) {
	using namespace uscxml;

#if defined(HAS_SIGNAL_H) && !defined(WIN32)
	signal(SIGPIPE, SIG_IGN);
#endif

	InterpreterOptions options = InterpreterOptions::fromCmdLine(argc, argv);

	if (!options) {
		InterpreterOptions::printUsageAndExit(argv[0]);
	}

	if (!options.validate) {
		// setup HTTP server
		HTTPServer::SSLConfig* sslConf = NULL;
		if (options.certificate.length() > 0) {
			sslConf = new HTTPServer::SSLConfig();
			sslConf->privateKey = options.certificate;
			sslConf->publicKey = options.certificate;
			sslConf->port = options.httpsPort;

		} else if (options.privateKey.length() > 0 && options.publicKey.length() > 0) {
			sslConf = new HTTPServer::SSLConfig();
			sslConf->privateKey = options.privateKey;
			sslConf->publicKey = options.publicKey;
			sslConf->port = options.httpsPort;

		}
		HTTPServer::getInstance(options.httpPort, options.wsPort, sslConf);
	}

	if (options.pluginPath.length() > 0) {
		Factory::setDefaultPluginPath(options.pluginPath);
	}

	if (options.verbose) {
		Factory::getInstance()->listComponents();
	}

	// instantiate and configure interpreters
	std::list<Interpreter> interpreters;
	for(size_t i = 0; i < options.interpreters.size(); i++) {

//		InterpreterOptions* currOptions = options.interpreters[0].second;
		std::string documentURL = options.interpreters[i].first;

		LOGD(USCXML_INFO) << "Processing " << documentURL << std::endl;

		try {
			Interpreter interpreter = Interpreter::fromURL(documentURL);
			if (interpreter) {

				if (options.validate) {
					std::list<InterpreterIssue> issues = interpreter.validate();
					for (std::list<InterpreterIssue>::iterator issueIter = issues.begin(); issueIter != issues.end(); issueIter++) {
						LOGD(USCXML_DEBUG) << "" << *issueIter << std::endl;
					}
					if (issues.size() == 0) {
						LOGD(USCXML_DEBUG) << "No issues found" << std::endl;
					}

				}

				if (options.verbose) {
					StateTransitionMonitor* vm = new StateTransitionMonitor();
					vm->copyToInvokers(true);
					interpreter.addMonitor(vm);
				}

				interpreters.push_back(interpreter);

			} else {
				LOGD(USCXML_ERROR) << "Cannot create interpreter from " << documentURL << std::endl;
			}
		} catch (Event e) {
			LOGD(USCXML_ERROR) << e << std::endl;
		}
	}

	if (options.validate) {
		return EXIT_SUCCESS;
	}

	if (options.withDebugger) {
		DebuggerServlet* debugger;
		debugger = new DebuggerServlet();
		debugger->copyToInvokers(true);
		HTTPServer::getInstance()->registerServlet("/debug", debugger);
		for (auto interpreter : interpreters) {
			interpreter.addMonitor(debugger);
		}
	}

	// run interpreters
	if (interpreters.size() > 0) {
		try {
			std::list<Interpreter>::iterator interpreterIter = interpreters.begin();
			while (interpreters.size() > 0) {
				while(interpreterIter != interpreters.end()) {
					InterpreterState state = interpreterIter->step();
					if (state == USCXML_FINISHED) {
						interpreterIter = interpreters.erase(interpreterIter);
					} else {
						interpreterIter++;
					}
				}
				interpreterIter = interpreters.begin();
			}
		} catch (Event e) {
			LOGD(USCXML_ERROR) << e << std::endl;
		}
	} else if (options.withDebugger) {
		while(true)
			std::this_thread::sleep_for(std::chrono::seconds(1));
	}
	return EXIT_SUCCESS;
}