bool InterpreterDraft6::isEnabledTransition(const Node<std::string>& transition, const std::string& event) {
std::string eventName;
if (HAS_ATTR(transition, "event")) {
eventName = ATTR(transition, "event");
} else if(HAS_ATTR(transition, "eventexpr")) {
if (_dataModel) {
eventName = _dataModel.evalAsString(ATTR(transition, "eventexpr"));
} else {
LOG(ERROR) << "Transition has eventexpr attribute with no datamodel defined";
return false;
}
} else {
return false;
}
std::list<std::string> eventNames = tokenizeIdRefs(eventName);
std::list<std::string>::iterator eventIter = eventNames.begin();
while(eventIter != eventNames.end()) {
if(nameMatch(*eventIter, event) && hasConditionMatch(transition)) {
return true;
}
eventIter++;
}
return false;
}
void PromelaDataModel::init(const Element<std::string>& dataElem,
const Node<std::string>& node,
const std::string& content) {
// from <datamodel>
if (HAS_ATTR(dataElem, "id")) {
Element<std::string> dataElemCopy = dataElem;
std::string identifier = ATTR(dataElem, "id");
std::string type = (HAS_ATTR(dataElem, "type") ? ATTR(dataElem, "type") : "int");
std::string arrSize;
size_t bracketPos = type.find("[");
if (bracketPos != std::string::npos) {
arrSize = type.substr(bracketPos, type.length() - bracketPos);
type = type.substr(0, bracketPos);
}
dataElemCopy.setAttribute("id", type + " " + identifier + arrSize);
assign(dataElemCopy, node, content);
dataElemCopy.setAttribute("id", identifier);
return;
}
assign(dataElem, node, content);
}
void CClientInfo::Config(const string& fileName)
{
ifstream inFile(fileName.c_str(), ifstream::in);
string inXml, inLine;
while (getline(inFile, inLine))
inXml += inLine;
XmlVec confData(inXml.begin(), inXml.end());
confData.push_back('\0');
XmlDoc xmlDoc;
try {
xmlDoc.parse<0>(&confData[0]);
} catch (...) {
LOG("ERROR: failed to load the server config file.");
return;
}
XmlNodePtr pNode = NULL;
if ((pNode = xmlDoc.first_node("server_list"))) {
XmlNodePtr pItem = pNode->first_node("server");
while (pItem) {
int pId = HAS_ATTR(pItem, "id") ? atoi(ATTR_VALUE(pItem, "id")) : -1;
string ipStr = HAS_ATTR(pItem, "ip") ? ATTR_VALUE(pItem, "ip") : "127.0.0.1";
int port = HAS_ATTR(pItem, "port") ? atoi(ATTR_VALUE(pItem, "port")) : 12345;
m_svrMap[pId] = pair<string, int>(ipStr, port);
pItem = pItem->next_sibling("server");
}
}
if ((pNode = xmlDoc.first_node("parameters"))) {
m_connNum = HAS_NODE(pNode, "conn_num") ? atoi(NODE_VALUE(pNode, "conn_num")) : 1;
m_fixRate = HAS_NODE(pNode, "fix_rate") ? atoi(NODE_VALUE(pNode, "fix_rate")) : 0;
m_initTimeout = HAS_NODE(pNode, "init_timeout") ? atoi(NODE_VALUE(pNode, "init_timeout")) : 20;
m_videoLen = HAS_NODE(pNode, "video_len") ? atoi(NODE_VALUE(pNode, "video_len")) : 278;
m_initBufferSize = HAS_NODE(pNode, "init_buffer_size") ? atoi(NODE_VALUE(pNode, "init_buffer_size")) : 10;
}
LOG("--------------------------------------------------");
svrMap_t::const_iterator cIt = m_svrMap.begin();
for (; cIt != m_svrMap.end(); ++cIt) {
LOG("|server: id=%d, %s:%d.", (*cIt).first, (*cIt).second.first.c_str(), (*cIt).second.second);
}
LOG("|number of connections: %d.", m_connNum);
LOG("|video length: %d.", m_videoLen);
LOG("|fix rate: %d.", m_fixRate);
LOG("|init buffer timeout: %d.", m_initTimeout);
LOG("|init buffer size: %d.", m_initBufferSize);
LOG("--------------------------------------------------");
xmlDoc.clear();
m_rateVec.push_back(350);
m_rateVec.push_back(470);
m_rateVec.push_back(630);
m_rateVec.push_back(845);
m_rateVec.push_back(1130);
m_rateVec.push_back(1520);
m_rateVec.push_back(2040);
}
void PromelaDataModel::assign(const Element<std::string>& assignElem,
const Node<std::string>& node,
const std::string& content) {
std::string expr;
std::string key;
std::string value;
if (node) {
ERROR_EXECUTION_THROW("Assigning DOM node to variable is not supported");
}
if (HAS_ATTR(assignElem, "id")) {
key = ATTR(assignElem, "id");
} else if (HAS_ATTR(assignElem, "location")) {
key = ATTR(assignElem, "location");
}
if (HAS_ATTR(assignElem, "expr")) {
if (key.length() == 0) {
ERROR_EXECUTION_THROW("Assign element has neither id nor location");
}
value = ATTR(assignElem, "expr");
} else {
value = content;
}
if (key.length() > 0) {
PromelaParser parser(key);
// declaration is an array?
if (parser.ast->operands.size() > 0 &&
parser.ast->operands.back()->operands.size() > 0 &&
parser.ast->operands.back()->operands.back()->type == PML_VAR_ARRAY) {
evaluateDecl(parser.ast);
expr = content;
} else if (value.length() > 0) {
expr = key + " = " + value + ";";
} else {
// declaration
expr = key + ";";
}
} else {
expr = content;
}
PromelaParser parser(expr, 2, PromelaParser::PROMELA_DECL, PromelaParser::PROMELA_STMNT);
if (parser.type == PromelaParser::PROMELA_DECL)
evaluateDecl(parser.ast);
if (parser.type == PromelaParser::PROMELA_STMNT)
evaluateStmnt(parser.ast);
// parser.dump();
// std::cout << Data::toJSON(_variables) << std::endl;
}
void XPathDataModel::init(const Element<std::string>& dataElem,
const Node<std::string>& node,
const std::string& content) {
std::string location;
if (HAS_ATTR(dataElem, "id")) {
location = ATTR(dataElem, "id");
} else if (HAS_ATTR(dataElem, "location")) {
location = ATTR(dataElem, "location");
}
NodeSet<std::string> nodeSet;
if (node || (content.length() > 0)) {
_datamodel.appendChild(_doc.importNode(dataElem, true));
nodeSet.push_back(dataElem);
} else if (HAS_ATTR(dataElem, "expr")) {
try {
Element<std::string> container = _doc.createElement("data");
container.setAttribute("id", location);
XPathValue<std::string> expr = _xpath.evaluate_expr(ATTR(dataElem, "expr"), _doc);
switch (expr.type()) {
case NODE_SET: {
for (size_t i = 0; i < expr.asNodeSet().size(); i++) {
container.appendChild(expr.asNodeSet()[i].cloneNode(true));
nodeSet.push_back(expr.asNodeSet()[i].cloneNode(true));
}
break;
}
case STRING:
container.appendChild(_doc.createTextNode(expr.asString()));
nodeSet.push_back(_doc.createTextNode(expr.asString()));
break;
case NUMBER: {
container.appendChild(_doc.createTextNode(toStr(expr.asNumber())));
nodeSet.push_back(_doc.createTextNode(toStr(expr.asNumber())));
break;
}
case Arabica::XPath::BOOL:
case ANY:
ERROR_EXECUTION_THROW("expr evaluates to type ANY");
}
_datamodel.appendChild(container);
} catch (SyntaxException e) {
ERROR_EXECUTION_THROW(e.what());
}
} else {
LOG(ERROR) << "data element has no content";
}
_varResolver.setVariable(location, nodeSet);
}
static void printNodeSet(const std::list<XERCESC_NS::DOMElement*> nodes) {
std::string seperator;
for (auto nIter = nodes.begin(); nIter != nodes.end(); nIter++) {
std::cerr << seperator << (HAS_ATTR(*nIter, "id") ? ATTR(*nIter, "id") : DOMUtils::xPathForNode(*nIter));
seperator = ", ";
}
}
char * __mod_ssl_sni_common_handler (MyQttCtx * myqtt_ctx,
MyQttConn * conn,
const char * serverName,
axlPointer user_data,
const char * attr_name)
{
MyQttdCtx * ctx = user_data;
axlNode * node;
/* find certificate node by Name */
node = __mod_ssl_get_certificate_node_by_name (ctx, serverName);
if (! node) {
wrn ("No certificate was found for serverName=%s, requested by connecting ip=%s",
serverName, myqtt_conn_get_host_ip (conn));
return NULL; /* no node certificate was found, finish
* here */
} /* end if */
if (! HAS_ATTR (node, attr_name)) {
wrn ("No certificate was found for serverName=%s, requested by connecting ip=%s, node %s attribute was not defined",
serverName, myqtt_conn_get_host_ip (conn), attr_name);
return NULL; /* no crt attr was found, finish here */
} /* end if */
/* ok, now report certificate location */
if (__mod_ssl_debug)
msg ("Reporting certificate %s=%s for serverName=%s", attr_name, ATTR_VALUE (node, attr_name), serverName);
/* report certificate */
return axl_strdup (ATTR_VALUE (node, attr_name));
}
std::list<Breakpoint> Debugger::getQualifiedInvokeBreakpoints(InterpreterImpl* impl, const XERCESC_NS::DOMElement* invokeElem, const std::string invokeId, Breakpoint breakpointTemplate) {
std::list<Breakpoint> breakpoints;
Breakpoint bp = breakpointTemplate; // copy base as template
bp.subject = Breakpoint::INVOKER;
bp.element = invokeElem;
bp.invokeId = invokeId;
if (HAS_ATTR(invokeElem, "type")) {
bp.invokeType = ATTR(invokeElem, "type");
} else if (HAS_ATTR(invokeElem, "typeexpr")) {
bp.invokeType = impl->evalAsData(ATTR(invokeElem, "typeexpr")).atom;
}
breakpoints.push_back(bp);
return breakpoints;
}
std::list<Breakpoint> getQualifiedInvokeBreakpoints(Interpreter interpreter, const Arabica::DOM::Element<std::string>& invokeElem, const std::string invokeId, Breakpoint breakpointTemplate) {
std::list<Breakpoint> breakpoints;
Breakpoint bp = breakpointTemplate; // copy base as template
bp.subject = Breakpoint::INVOKER;
bp.element = invokeElem;
bp.invokeId = invokeId;
if (HAS_ATTR(invokeElem, "type")) {
bp.invokeType = ATTR(invokeElem, "type");
} else if (HAS_ATTR(invokeElem, "typeexpr")) {
bp.invokeType = interpreter.getDataModel().evalAsString(ATTR(invokeElem, "typeexpr"));
}
breakpoints.push_back(bp);
return breakpoints;
}
void XPathDataModel::assign(const NodeSet<std::string>& key,
const std::string& value,
const Element<std::string>& assignElem) {
if (key.size() == 0)
return;
for (size_t i = 0; i < key.size(); i++) {
Node<std::string> node = key[i];
switch (node.getNodeType()) {
case Node_base::ATTRIBUTE_NODE: {
Attr<std::string> attr(node);
attr.setValue(value);
break;
}
case Node_base::TEXT_NODE: {
Text<std::string> text(node);
text.setNodeValue(value);
break;
}
case Node_base::ELEMENT_NODE: {
Element<std::string> element(node);
if (HAS_ATTR(assignElem, "type") && iequals(ATTR(assignElem, "type"), "addattribute")) {
// addattribute: Add an attribute with the name specified by 'attr'
// and value specified by 'expr' to the node specified by 'location'.
if (!HAS_ATTR(assignElem, "attr"))
ERROR_EXECUTION_THROW("Assign element is missing 'attr'");
element.setAttribute(ATTR(assignElem, "attr"), value);
} else {
/// test 547
while(element.hasChildNodes())
element.removeChild(element.getChildNodes().item(0));
Text<std::string> text = _doc.createTextNode(value);
element.appendChild(text);
}
break;
}
default:
ERROR_EXECUTION_THROW("Unsupported node type with assign");
break;
}
}
}
Arabica::XPath::NodeSet<std::string> InterpreterDraft6::selectEventlessTransitions() {
Arabica::XPath::NodeSet<std::string> enabledTransitions;
NodeSet<std::string> states;
for (unsigned int i = 0; i < _configuration.size(); i++) {
if (isAtomic(_configuration[i]))
states.push_back(_configuration[i]);
}
states.to_document_order();
#if 0
std::cout << "Atomic States: ";
for (int i = 0; i < atomicStates.size(); i++) {
std::cout << ATTR(atomicStates[i], "id") << ", ";
}
std::cout << std::endl;
#endif
unsigned int index = 0;
while(states.size() > index) {
bool foundTransition = false;
NodeSet<std::string> transitions = filterChildElements(_nsInfo.xmlNSPrefix + "transition", states[index]);
for (unsigned int k = 0; k < transitions.size(); k++) {
if (!HAS_ATTR(transitions[k], "event") && hasConditionMatch(transitions[k])) {
enabledTransitions.push_back(transitions[k]);
foundTransition = true;
goto LOOP;
}
}
if (!foundTransition) {
Node<std::string> parent = states[index].getParentNode();
if (parent) {
states.push_back(parent);
}
}
LOOP:
index++;
}
#if 0
std::cout << "Enabled eventless transitions: " << std::endl;
for (int i = 0; i < enabledTransitions.size(); i++) {
std::cout << enabledTransitions[i] << std::endl << "----" << std::endl;
}
std::cout << std::endl;
#endif
enabledTransitions = filterPreempted(enabledTransitions);
return enabledTransitions;
}
void FetchElement::enterElement(const Arabica::DOM::Element<std::string>& node) {
if (!HAS_ATTR(node, "src") && !HAS_ATTR(node, "srcexpr")) {
LOG(ERROR) << "Fetch element requires src or srcexpr";
return;
}
if (HAS_ATTR(node, "srcexpr") && !_interpreter->getDataModel()) {
LOG(ERROR) << "Fetch element with srcexpr requires datamodel";
return;
}
_source = (HAS_ATTR(node, "src") ? ATTR(node, "src") : _interpreter->getDataModel().evalAsString(ATTR(node, "srcexpr")));
if (!HAS_ATTR(node, "callback") && !HAS_ATTR(node, "callbackexpr")) {
LOG(ERROR) << "Fetch element requires callback or callbackexpr";
return;
}
if (HAS_ATTR(node, "callbackexpr") && !_interpreter->getDataModel()) {
LOG(ERROR) << "Fetch element with callbackexpr requires datamodel";
return;
}
_callback = (HAS_ATTR(node, "callback") ? ATTR(node, "callback") : _interpreter->getDataModel().evalAsString(ATTR(node, "callbackexpr")));
_type = (HAS_ATTR(node, "type") ? ATTR(node, "type") : "text");
if (!iequals(_type, "text") &&
!iequals(_type, "url") &&
!iequals(_type, "json") &&
!iequals(_type, "xml")) {
LOG(ERROR) << "Fetch element type attribute not one of text, url, json, xml.";
return;
}
_targetUrl = URL(_source);
if (!_targetUrl.isAbsolute()) {
if (!_targetUrl.toAbsolute(_interpreter->getBaseURL(node))) {
LOG(ERROR) << "Cannot transform " << _source << " into absolute URL";
return;
}
}
_targetUrl.addMonitor(this);
URLFetcher::fetchURL(_targetUrl);
}
bool InterpreterDraft6::isWithinParallel(const Node<std::string>& transition) {
if (isTargetless(transition))
return false;
Node<std::string> source;
if (HAS_ATTR(transition, "type") && iequals(ATTR(transition, "type"), "internal")) {
source = getSourceState(transition);
} else {
source = getSourceState(transition).getParentNode();
}
NodeSet<std::string> targets = getTargetStates(transition);
targets.push_back(source);
Node<std::string> lcpa = findLCPA(targets);
return lcpa;
}
void DebugSession::breakExecution(Data replyData) {
std::lock_guard<std::recursive_mutex> lock(_mutex);
std::list<XERCESC_NS::DOMElement*> configuration = _interpreter.getConfiguration();
for (auto state : configuration) {
if (HAS_ATTR(state, "id")) {
replyData.compound["activeStates"].array.push_back(Data(ATTR(state, "id"), Data::VERBATIM));
if (isAtomic(state)) {
replyData.compound["basicStates"].array.push_back(Data(ATTR(state, "id"), Data::VERBATIM));
}
}
}
replyData.compound["replyType"] = Data("breakpoint", Data::VERBATIM);
_debugger->pushData(shared_from_this(), replyData);
// wait for resume from the client
_resumeCond.wait(_mutex);
}
/**
* @brief Init the valvulad log module.
*/
void valvulad_log_init (ValvuladCtx * ctx)
{
/* get current valvulad configuration */
axlDoc * doc = ctx->config;
axlNode * node;
/* check log reporting */
node = axl_doc_get (doc, "/valvula/global-settings/log-reporting");
if (node == NULL) {
abort_error ("Unable to find log configuration <valvula/global-settings/log-reporting>");
return;
} /* end if */
/* check enabled attribute */
if (! HAS_ATTR (node, "enabled")) {
abort_error ("Missing attribute 'enabled' located at <valvula/global-settings/log-reporting>. Unable to determine if log is enabled");
return;
}
/* check if log reporting is enabled or not */
if (! HAS_ATTR_VALUE (node, "enabled", "yes")) {
msg ("log reporting to file disabled");
return;
}
/* check for syslog usage */
ctx->use_syslog = HAS_ATTR_VALUE (node, "use-syslog", "yes");
msg ("Checking for usage of syslog %d", ctx->use_syslog);
if (ctx->use_syslog) {
/* open syslog */
openlog ("valvulad", LOG_PID, LOG_MAIL);
msg ("Using syslog facility for logging");
return;
} /* end if */
return;
}
/**
* @internal Function that creates a connection to the MySQL database
* configured on the xml node.
*/
MYSQL * mod_sasl_mysql_get_connection (TurbulenceCtx * ctx,
axlNode * auth_db_node_conf,
axlError ** err)
{
MYSQL * conn;
int port = 0;
int reconnect = 1;
axlDoc * doc;
axlNode * node;
if (ctx == NULL || auth_db_node_conf == NULL) {
axl_error_report (err, -1, "Received null ctx, auth db node or sql query, failed to run SQL command");
return NULL;
} /* end if */
/* check if the connection is already defined */
conn = axl_node_annotate_get (auth_db_node_conf, "mysql-conn", axl_false);
if (conn) {
/* reuse connection */
return conn;
} /* end if */
/* get document containing MySQL settings */
doc = axl_node_annotate_get (auth_db_node_conf, "mysql-conf", axl_false);
if (doc == NULL) {
axl_error_report (err, -1, "Found no xml document defining MySQL settings to connect to the database");
return NULL;
} /* end if */
/* get the node that contains the configuration */
node = axl_doc_get (doc, "/sasl-auth-db/connection-settings");
/* create a mysql connection */
conn = mysql_init (NULL);
/* get port */
if (HAS_ATTR (node, "port") && strlen (ATTR_VALUE (node, "port")) > 0) {
/* get port configured by the user */
port = atoi (ATTR_VALUE (node, "port"));
}
/* create a connection */
if (mysql_real_connect (conn,
/* get host */
ATTR_VALUE (node, "host"),
/* get user */
ATTR_VALUE (node, "user"),
/* get password */
ATTR_VALUE (node, "password"),
/* get database */
ATTR_VALUE (node, "database"),
port, NULL, 0) == NULL) {
axl_error_report (err, mysql_errno (conn), "Mysql connect error: %s, failed to run SQL command", mysql_error (conn));
return NULL;
} /* end if */
/* flag here to reconnect in case of lost connection */
mysql_options (conn, MYSQL_OPT_RECONNECT, (const char *) &reconnect);
/* record connection */
axl_node_annotate_data_full (auth_db_node_conf, "mysql-conn", NULL, conn, (axlDestroyFunc) mysql_close);
return conn;
}
void RespondElement::enterElement(const Arabica::DOM::Element<std::string>& node) {
// try to get the request id
if (!HAS_ATTR(node, "to")) {
LOG(ERROR) << "Respond element requires to attribute";
return;
}
if (HAS_ATTR(node, "to") && !_interpreter->getDataModel()) {
LOG(ERROR) << "Respond element with to requires datamodel";
return;
}
std::string requestId = _interpreter->getDataModel().evalAsString(ATTR(node, "to"));
// try to get the request object
InterpreterHTTPServlet* servlet = _interpreter->getHTTPServlet();
tthread::lock_guard<tthread::recursive_mutex> lock(servlet->getMutex());
if (servlet->getRequests().find(requestId) == servlet->getRequests().end()) {
LOG(ERROR) << "No matching HTTP request for respond element";
return;
}
assert(servlet->getRequests().find(requestId) != servlet->getRequests().end());
HTTPServer::Request httpReq = servlet->getRequests()[requestId];
assert(httpReq.evhttpReq != NULL);
HTTPServer::Reply httpReply(httpReq);
servlet->getRequests().erase(requestId);
// get the status or default to 200
std::string statusStr = (HAS_ATTR(node, "status") ? ATTR(node, "status") : "200");
if (!isNumeric(statusStr.c_str(), 10)) {
LOG(ERROR) << "Respond element with non-numeric status " << statusStr;
return;
}
httpReply.status = strTo<int>(statusStr);;
// extract the content
Arabica::XPath::NodeSet<std::string> contents = InterpreterImpl::filterChildElements(_interpreter->getNameSpaceInfo().getXMLPrefixForNS(getNamespace()) + "content", node);
if (contents.size() > 0) {
Arabica::DOM::Element<std::string> contentElem = Arabica::DOM::Element<std::string>(contents[0]);
if (HAS_ATTR(contentElem, "expr")) { // -- content is evaluated string from datamodel ------
if (_interpreter->getDataModel()) {
try {
Data contentData = _interpreter->getDataModel().getStringAsData(ATTR(contentElem, "expr"));
if (contentData.atom.length() > 0) {
httpReply.content = contentData.atom;
httpReply.headers["Content-Type"] = "text/plain";
} else if (contentData.binary) {
httpReply.content = std::string(contentData.binary.getData(), contentData.binary.getSize());
httpReply.headers["Content-Type"] = contentData.binary.getMimeType();
} else if (contentData.node) {
std::stringstream ss;
ss << contentData.node;
httpReply.content = ss.str();;
httpReply.headers["Content-Type"] = "application/xml";
} else {
httpReply.content = Data::toJSON(contentData);
httpReply.headers["Content-Type"] = "application/json";
}
} catch (Event e) {
LOG(ERROR) << "Syntax error with expr in content child of Respond element:" << std::endl << e << std::endl;
return;
}
} else {
LOG(ERROR) << "content element has expr attribute but no datamodel is specified.";
return;
}
} else if (HAS_ATTR(contentElem, "file") || HAS_ATTR(contentElem, "fileexpr")) { // -- content is from file ------
URL file;
if (HAS_ATTR(contentElem, "fileexpr")) {
if (_interpreter->getDataModel()) {
try {
file = "file://" + _interpreter->getDataModel().evalAsString(ATTR(contentElem, "fileexpr"));
} catch (Event e) {
LOG(ERROR) << "Syntax error with fileexpr in content child of Respond element:" << std::endl << e << std::endl;
return;
}
}
} else {
file = "file://" + ATTR(contentElem, "fileexpr");
}
if (file) {
httpReply.content = file.getInContent();
size_t lastDot;
if ((lastDot = file.path().find_last_of(".")) != std::string::npos) {
std::string extension = file.path().substr(lastDot + 1);
std::string mimeType = URL::getMimeType(extension);
if (mimeType.length() > 0) {
httpReply.headers["Content-Type"] = mimeType;
}
}
}
} else if (contents[0].hasChildNodes()) { // -- content embedded as child nodes ------
httpReply.content = contents[0].getFirstChild().getNodeValue();
} else {
LOG(ERROR) << "content element does not specify any content.";
return;
}
}
// process headers
Arabica::XPath::NodeSet<std::string> headers = InterpreterImpl::filterChildElements(_interpreter->getNameSpaceInfo().getXMLPrefixForNS(getNamespace()) + "header", node);
for (int i = 0; i < headers.size(); i++) {
Arabica::DOM::Element<std::string> headerElem = Arabica::DOM::Element<std::string>(headers[i]);
std::string name;
if (HAS_ATTR(headerElem, "name")) {
name = ATTR(headerElem, "name");
} else if(HAS_ATTR(headerElem, "nameexpr")) {
if (_interpreter->getDataModel()) {
try {
name = _interpreter->getDataModel().evalAsString(ATTR(headerElem, "nameexpr"));
} catch (Event e) {
LOG(ERROR) << "Syntax error with nameexpr in header child of Respond element:" << std::endl << e << std::endl;
return;
}
} else {
LOG(ERROR) << "header element has nameexpr attribute but no datamodel is specified.";
return;
}
} else {
LOG(ERROR) << "header element has no name or nameexpr attribute.";
return;
}
std::string value;
if (HAS_ATTR(headerElem, "value")) {
value = ATTR(headerElem, "value");
} else if(HAS_ATTR(headerElem, "valueexpr")) {
if (_interpreter->getDataModel()) {
try {
value = _interpreter->getDataModel().evalAsString(ATTR(headerElem, "valueexpr"));
} catch (Event e) {
LOG(ERROR) << "Syntax error with valueexpr in header child of Respond element:" << std::endl << e << std::endl;
return;
}
} else {
LOG(ERROR) << "header element has valueexpr attribute but no datamodel is specified.";
return;
}
} else {
LOG(ERROR) << "header element has no value or valueexpr attribute.";
return;
}
httpReply.headers[name] = value;
}
// send the reply
HTTPServer::reply(httpReply);
servlet->getRequests().erase(requestId);
}
void XPathDataModel::assign(const Element<std::string>& key,
const NodeSet<std::string>& value,
const Element<std::string>& assignElem) {
Element<std::string> element(key);
if (value.size() == 0 || !value[0])
return;
if (false) {
} else if (assignElem && HAS_ATTR(assignElem, "type") && iequals(ATTR(assignElem, "type"), "firstchild")) {
// firstchild: Insert the value specified by 'expr' before all of the children at 'location'.
for (size_t i = value.size(); i; i--) {
Node<std::string> importedNode = (value[i-1].getOwnerDocument() == _doc ? value[i-1].cloneNode(true) : _doc.importNode(value[i-1], true));
element.insertBefore(importedNode, element.getFirstChild());
}
} else if (assignElem && HAS_ATTR(assignElem, "type") && iequals(ATTR(assignElem, "type"), "lastchild")) {
// lastchild: Insert the value specified by 'expr' after all of the children at 'location'.
for (size_t i = 0; i < value.size(); i++) {
Node<std::string> importedNode = (value[i].getOwnerDocument() == _doc ? value[i].cloneNode(true) : _doc.importNode(value[i], true));
element.appendChild(importedNode);
}
} else if (assignElem && HAS_ATTR(assignElem, "type") && iequals(ATTR(assignElem, "type"), "previoussibling")) {
// previoussibling: Insert the value specified by 'expr' before the
// node specified by 'location', keeping the same parent.
Node<std::string> parent = element.getParentNode();
if (!parent)
ERROR_EXECUTION_THROW("Node has no parent");
for (size_t i = 0; i < value.size(); i++) {
Node<std::string> importedNode = (value[i].getOwnerDocument() == _doc ? value[i].cloneNode(true) : _doc.importNode(value[i], true));
parent.insertBefore(importedNode, element);
}
} else if (assignElem && HAS_ATTR(assignElem, "type") && iequals(ATTR(assignElem, "type"), "nextsibling")) {
// nextsibling: Insert the value specified by 'expr' after the node
// specified by 'location', keeping the same parent.
Node<std::string> parent = element.getParentNode();
if (!parent)
ERROR_EXECUTION_THROW("Node has no parent");
for (size_t i = value.size(); i; i--) {
Node<std::string> importedNode = (value[i-1].getOwnerDocument() == _doc ? value[i-1].cloneNode(true) : _doc.importNode(value[i-1], true));
Node<std::string> nextSibling = element.getNextSibling();
if (nextSibling) {
parent.insertBefore(importedNode, element.getNextSibling());
} else {
parent.appendChild(importedNode);
}
}
} else if (assignElem && HAS_ATTR(assignElem, "type") && iequals(ATTR(assignElem, "type"), "replace")) {
// replace: Replace the node specified by 'location' by the value specified by 'expr'.
Node<std::string> parent = element.getParentNode();
if (!parent)
ERROR_EXECUTION_THROW("Node has no parent");
if (value.size() != 1)
ERROR_EXECUTION_THROW("Value not singular");
Node<std::string> importedNode = (value[0].getOwnerDocument() == _doc ? value[0].cloneNode(true) : _doc.importNode(value[0], true));
parent.replaceChild(importedNode, element);
} else if (assignElem && HAS_ATTR(assignElem, "type") && iequals(ATTR(assignElem, "type"), "delete")) {
// delete: Delete the node specified by 'location'. ('expr' is ignored.).
Node<std::string> parent = element.getParentNode();
if (!parent)
ERROR_EXECUTION_THROW("Node has no parent");
parent.removeChild(element);
} else {
// replacechildren: Replace all the children at 'location' with the value specified by 'expr'.
while(element.hasChildNodes())
element.removeChild(element.getChildNodes().item(0));
for (size_t i = 0; i < value.size(); i++) {
Node<std::string> importedNode = element.getOwnerDocument().importNode(value[i], true);
element.appendChild(importedNode);
}
}
}
/**
* @internal Terminates the myqttd excution, returing the exit signal
* provided as first parameter. This function is used to notify a
* context that a signal was received.
*
* @param ctx The myqttd context to terminate.
* @param _signal The exit code to return.
*/
void myqttd_signal_exit (MyQttdCtx * ctx, int _signal)
{
/* get myqttd context */
axlDoc * doc;
axlNode * node;
MyQttAsyncQueue * queue;
char * backtrace_file;
/* lock the mutex and check */
myqtt_mutex_lock (&ctx->exit_mutex);
if (ctx->is_exiting) {
msg ("process already existing, signal received=%d, doing nothing...", _signal);
/* other thread is already cleaning */
myqtt_mutex_unlock (&ctx->exit_mutex);
return;
} /* end if */
msg ("received termination signal (%d) on PID %d, preparing exit process", _signal, getpid ());
/* flag that myqttd is existing and do all cleanup
* operations */
ctx->is_exiting = axl_true;
myqtt_mutex_unlock (&ctx->exit_mutex);
switch (_signal) {
case SIGINT:
msg ("caught SIGINT, terminating myqttd..");
break;
case SIGTERM:
msg ("caught SIGTERM, terminating myqttd..");
break;
#if defined(AXL_OS_UNIX)
case SIGKILL:
msg ("caught SIGKILL, terminating myqttd..");
break;
case SIGQUIT:
msg ("caught SIGQUIT, terminating myqttd..");
break;
#endif
case SIGSEGV:
case SIGABRT:
error ("caught %s, anomalous termination (this is an internal myqttd or module error)",
_signal == SIGSEGV ? "SIGSEGV" : "SIGABRT");
/* check current termination option */
doc = myqttd_config_get (ctx);
node = axl_doc_get (doc, "/myqtt/global-settings/on-bad-signal");
error ("applying configured action %s", (node && HAS_ATTR (node, "action")) ? ATTR_VALUE (node, "action") : "not defined");
if (HAS_ATTR_VALUE (node, "action", "ignore")) {
/* do notify if enabled */
CHECK_AND_REPORT_MAIL_TO ("Bad signal received at myqttd process, default action: ignore",
"Received termination signal but it was ignored.",
NULL);
/* ignore the signal emision */
return;
} else if (HAS_ATTR_VALUE (node, "action", "hold")) {
/* lock the process */
error ("Bad signal found, locking process, now you can attach or terminate pid: %d",
getpid ());
CHECK_AND_REPORT_MAIL_TO ("Bad signal received a myqttd process, default action: hold",
"Received termination signal and the process was hold for examination",
NULL);
queue = myqtt_async_queue_new ();
myqtt_async_queue_pop (queue);
return;
} else if (HAS_ATTR_VALUE (node, "action", "backtrace")) {
/* create temporal file */
error ("Bad signal found, creating backtrace for current process: %d", getpid ());
backtrace_file = myqttd_support_get_backtrace (ctx, getpid ());
if (backtrace_file == NULL)
error ("..backtrace error, unable to produce backtrace..");
else
error ("..backtrace created at: %s", backtrace_file);
/* check if we have to do a mail notification */
CHECK_AND_REPORT_MAIL_TO ("Bad signal received a myqttd process, default action: backtrace",
NULL, backtrace_file);
/* release backtrace */
axl_free (backtrace_file);
}
/* signal myqtt to not terminate threads (to avoid
* deadlocks) */
exit (-1);
break;
default:
msg ("terminating myqttd..");
break;
} /* end if */
/* Unlock the listener here. Do not perform any deallocation
* operation here because we are in the middle of a signal
* handler execution. By unlocking the listener, the
* myqttd_cleanup is called cleaning the room. */
msg ("Unlocking myqttd listener: %p", ctx);
/* unlock the current listener */
myqtt_listener_unlock (MYQTTD_MYQTT_CTX (ctx));
return;
} /* end if */
// a macrostep
InterpreterState InterpreterDraft6::step(bool blocking) {
try {
monIter_t monIter;
NodeSet<std::string> enabledTransitions;
// setup document and interpreter
if (!_isInitialized)
init();
// if we failed return false
if (!_isInitialized)
return INIT_FAILED;
// run initial transitions
if (!_stable) {
stabilize();
// we might only need a single step
if (!_running)
goto EXIT_INTERPRETER;
return INITIALIZED;
}
if (!_running)
return FINISHED;
// read an external event and react
if (blocking) {
// wait until an event becomes available
while(_externalQueue.isEmpty()) {
_condVar.wait(_mutex);
}
} else {
// return immediately if external queue is empty
if (_externalQueue.isEmpty())
return NOTHING_TODO;
}
_currEvent = _externalQueue.pop();
#if VERBOSE
std::cout << "Received externalEvent event " << _currEvent.name << std::endl;
if (_running && _currEvent.name == "unblock.and.die") {
std::cout << "Still running " << this << std::endl;
} else {
std::cout << "Aborting " << this << std::endl;
}
#endif
_currEvent.eventType = Event::EXTERNAL; // make sure it is set to external
// when we were blocking on destructor invocation
if (!_running) {
goto EXIT_INTERPRETER;
return INTERRUPTED;
}
// --- MONITOR: beforeProcessingEvent ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->beforeProcessingEvent(shared_from_this(), _currEvent);
}
USCXML_MONITOR_CATCH_BLOCK(beforeProcessingEvent)
}
if (iequals(_currEvent.name, "cancel.invoke." + _sessionId))
return INTERRUPTED;
try {
_dataModel.setEvent(_currEvent);
} catch (Event e) {
LOG(ERROR) << "Syntax error while setting external event:" << std::endl << e << std::endl << _currEvent;
}
for (std::map<std::string, Invoker>::iterator invokeIter = _invokers.begin();
invokeIter != _invokers.end();
invokeIter++) {
if (iequals(invokeIter->first, _currEvent.invokeid)) {
Arabica::XPath::NodeSet<std::string> finalizes = filterChildElements(_nsInfo.xmlNSPrefix + "finalize", invokeIter->second.getElement());
for (int k = 0; k < finalizes.size(); k++) {
Element<std::string> finalizeElem = Element<std::string>(finalizes[k]);
executeContent(finalizeElem);
}
}
if (HAS_ATTR(invokeIter->second.getElement(), "autoforward") && DOMUtils::attributeIsTrue(ATTR(invokeIter->second.getElement(), "autoforward"))) {
try {
// do not autoforward to invokers that send to #_parent from the SCXML IO Processor!
// Yes do so, see test229!
// if (!boost::equals(_currEvent.getOriginType(), "http://www.w3.org/TR/scxml/#SCXMLEventProcessor"))
invokeIter->second.send(_currEvent);
} catch(...) {
LOG(ERROR) << "Exception caught while sending event to invoker " << invokeIter->first;
}
}
}
// run internal processing until we reach a stable configuration again
enabledTransitions = selectTransitions(_currEvent.name);
if (!enabledTransitions.empty()) {
// test 403b
enabledTransitions.to_document_order();
microstep(enabledTransitions);
}
stabilize();
return PROCESSED;
EXIT_INTERPRETER:
if (!_running) {
// --- MONITOR: beforeCompletion ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->beforeCompletion(shared_from_this());
}
USCXML_MONITOR_CATCH_BLOCK(beforeCompletion)
}
exitInterpreter();
if (_sendQueue) {
std::map<std::string, std::pair<InterpreterImpl*, SendRequest> >::iterator sendIter = _sendIds.begin();
while(sendIter != _sendIds.end()) {
_sendQueue->cancelEvent(sendIter->first);
sendIter++;
}
}
// --- MONITOR: afterCompletion ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->afterCompletion(shared_from_this());
}
USCXML_MONITOR_CATCH_BLOCK(afterCompletion)
}
return FINISHED;
}
assert(hasLegalConfiguration());
_mutex.unlock();
// remove datamodel
if(_dataModel)
_dataModel = DataModel();
return PROCESSED;
} catch (boost::bad_weak_ptr e) {
LOG(ERROR) << "Unclean shutdown " << std::endl << std::endl;
return INTERRUPTED;
}
// set datamodel to null from this thread
if(_dataModel)
_dataModel = DataModel();
}
void XPathDataModel::assign(const Element<std::string>& assignElem,
const Node<std::string>& node,
const std::string& content) {
std::string location;
if (HAS_ATTR(assignElem, "id")) {
location = ATTR(assignElem, "id");
} else if (HAS_ATTR(assignElem, "location")) {
location = ATTR(assignElem, "location");
}
// test 326ff
XPathValue<std::string> key = _xpath.evaluate_expr(location, _doc);
#ifdef VERBOSE
LOG(INFO) << "Key XPath : " << key.asString();
#endif
#if 0
if (key.type() == NODE_SET) {
try {
for (size_t i = 0; i < key.asNodeSet().size(); i++) {
Node<std::string> node = key.asNodeSet()[i];
if (node == _varResolver.resolveVariable("", "_ioprocessors").asNodeSet()[0])
ERROR_EXECUTION_THROW("Cannot assign _ioProcessors");
if (node == _varResolver.resolveVariable("", "_sessionid").asNodeSet()[0])
ERROR_EXECUTION_THROW("Cannot assign _sessionid");
if (node == _varResolver.resolveVariable("", "_name").asNodeSet()[0])
ERROR_EXECUTION_THROW("Cannot assign _name");
if (node == _varResolver.resolveVariable("", "_event").asNodeSet()[0])
ERROR_EXECUTION_THROW("Cannot assign _event");
}
} catch (Event e) {}
}
#endif
NodeSet<std::string> nodeSet;
if (node) {
Node<std::string> data = node;
while (data) {
// do not add empty text as a node
if (data.getNodeType() == Node_base::TEXT_NODE) {
std::string trimmed = data.getNodeValue();
boost::trim(trimmed);
if (trimmed.length() == 0) {
data = data.getNextSibling();
continue;
}
}
nodeSet.push_back(data);
data = data.getNextSibling();
}
assign(key, nodeSet, assignElem);
} else if (content.length() > 0) {
Text<std::string> textNode = _doc.createTextNode(spaceNormalize(content));
nodeSet.push_back(textNode);
assign(key, nodeSet, assignElem);
} else if (HAS_ATTR(assignElem, "expr")) {
XPathValue<std::string> value = _xpath.evaluate_expr(ATTR(assignElem, "expr"), _doc);
#ifdef VERBOSE
LOG(INFO) << "Value XPath : " << value.asString();
#endif
assign(key, value, assignElem);
} else {
LOG(ERROR) << "assign element has no content";
}
// std::cout << _datamodel << std::endl;
}
// process transitions until we are in a stable configuration again
void InterpreterDraft6::stabilize() {
monIter_t monIter;
NodeSet<std::string> enabledTransitions;
_stable = false;
if (_configuration.size() == 0) {
// goto initial configuration
NodeSet<std::string> initialTransitions = getDocumentInitialTransitions();
assert(initialTransitions.size() > 0);
enterStates(initialTransitions);
}
do { // process microsteps for enabled transitions until there are no more left
enabledTransitions = selectEventlessTransitions();
if (enabledTransitions.size() == 0) {
if (_internalQueue.size() == 0) {
_stable = true;
} else {
_currEvent = _internalQueue.front();
_internalQueue.pop_front();
#if VERBOSE
std::cout << "Received internal event " << _currEvent.name << std::endl;
#endif
// --- MONITOR: beforeProcessingEvent ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->beforeProcessingEvent(shared_from_this(), _currEvent);
}
USCXML_MONITOR_CATCH_BLOCK(beforeProcessingEvent)
}
if (_dataModel)
_dataModel.setEvent(_currEvent);
enabledTransitions = selectTransitions(_currEvent.name);
}
}
if (!enabledTransitions.empty()) {
// test 403b
enabledTransitions.to_document_order();
microstep(enabledTransitions);
}
} while(!_internalQueue.empty() || !_stable);
monIter = _monitors.begin();
// --- MONITOR: onStableConfiguration ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->onStableConfiguration(shared_from_this());
}
USCXML_MONITOR_CATCH_BLOCK(onStableConfiguration)
}
// when we reach a stable configuration, invoke
for (unsigned int i = 0; i < _statesToInvoke.size(); i++) {
NodeSet<std::string> invokes = filterChildElements(_nsInfo.xmlNSPrefix + "invoke", _statesToInvoke[i]);
for (unsigned int j = 0; j < invokes.size(); j++) {
if (!HAS_ATTR(invokes[j], "persist") || !DOMUtils::attributeIsTrue(ATTR(invokes[j], "persist"))) {
invoke(invokes[j]);
}
}
}
_statesToInvoke = NodeSet<std::string>();
}
void StateTransitionMonitor::beforeEnteringState(Interpreter& interpreter, const XERCESC_NS::DOMElement* state) {
std::lock_guard<std::recursive_mutex> lock(_mutex);
std::cerr << "Entering: " << (HAS_ATTR(state, "id") ? ATTR(state, "id") : DOMUtils::xPathForNode(state)) << std::endl;
}
void InterpreterDraft6::mainEventLoop() {
monIter_t monIter;
while(_running) {
NodeSet<std::string> enabledTransitions;
_stable = false;
// Here we handle eventless transitions and transitions
// triggered by internal events until machine is stable
while(_running && !_stable) {
#if VERBOSE
std::cout << "Configuration: ";
for (int i = 0; i < _configuration.size(); i++) {
std::cout << ATTR(_configuration[i], "id") << ", ";
}
std::cout << std::endl;
#endif
enabledTransitions = selectEventlessTransitions();
if (enabledTransitions.size() == 0) {
if (_internalQueue.size() == 0) {
_stable = true;
} else {
_currEvent = _internalQueue.front();
_internalQueue.pop_front();
#if VERBOSE
std::cout << "Received internal event " << _currEvent.name << std::endl;
#endif
// --- MONITOR: beforeProcessingEvent ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->beforeProcessingEvent(shared_from_this(), _currEvent);
}
USCXML_MONITOR_CATCH_BLOCK(beforeProcessingEvent)
}
if (_dataModel)
_dataModel.setEvent(_currEvent);
enabledTransitions = selectTransitions(_currEvent.name);
}
}
if (!enabledTransitions.empty()) {
// test 403b
enabledTransitions.to_document_order();
microstep(enabledTransitions);
}
}
for (unsigned int i = 0; i < _statesToInvoke.size(); i++) {
NodeSet<std::string> invokes = filterChildElements(_nsInfo.xmlNSPrefix + "invoke", _statesToInvoke[i]);
for (unsigned int j = 0; j < invokes.size(); j++) {
if (!HAS_ATTR(invokes[j], "persist") || !DOMUtils::attributeIsTrue(ATTR(invokes[j], "persist"))) {
invoke(invokes[j]);
}
}
}
_statesToInvoke = NodeSet<std::string>();
if (!_internalQueue.empty())
continue;
// assume that we have a legal configuration as soon as the internal queue is empty
assert(hasLegalConfiguration());
monIter = _monitors.begin();
// --- MONITOR: onStableConfiguration ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->onStableConfiguration(shared_from_this());
}
USCXML_MONITOR_CATCH_BLOCK(onStableConfiguration)
}
_mutex.unlock();
// whenever we have a stable configuration, run the mainThread hooks with 200fps
while(_externalQueue.isEmpty() && _thread == NULL) {
runOnMainThread(200);
}
_mutex.lock();
while(_externalQueue.isEmpty()) {
_condVar.wait(_mutex);
}
_currEvent = _externalQueue.pop();
#if VERBOSE
std::cout << "Received externalEvent event " << _currEvent.name << std::endl;
if (_running && _currEvent.name == "unblock.and.die") {
std::cout << "Still running " << this << std::endl;
} else {
std::cout << "Aborting " << this << std::endl;
}
#endif
_currEvent.eventType = Event::EXTERNAL; // make sure it is set to external
if (!_running)
goto EXIT_INTERPRETER;
// --- MONITOR: beforeProcessingEvent ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->beforeProcessingEvent(shared_from_this(), _currEvent);
}
USCXML_MONITOR_CATCH_BLOCK(beforeProcessingEvent)
}
if (_dataModel && iequals(_currEvent.name, "cancel.invoke." + _sessionId))
break;
if (_dataModel) {
try {
_dataModel.setEvent(_currEvent);
} catch (Event e) {
LOG(ERROR) << "Syntax error while setting external event:" << std::endl << e << std::endl << _currEvent;
}
}
for (std::map<std::string, Invoker>::iterator invokeIter = _invokers.begin();
invokeIter != _invokers.end();
invokeIter++) {
if (iequals(invokeIter->first, _currEvent.invokeid)) {
Arabica::XPath::NodeSet<std::string> finalizes = filterChildElements(_nsInfo.xmlNSPrefix + "finalize", invokeIter->second.getElement());
for (int k = 0; k < finalizes.size(); k++) {
Element<std::string> finalizeElem = Element<std::string>(finalizes[k]);
executeContent(finalizeElem);
}
}
if (HAS_ATTR(invokeIter->second.getElement(), "autoforward") && DOMUtils::attributeIsTrue(ATTR(invokeIter->second.getElement(), "autoforward"))) {
try {
// do not autoforward to invokers that send to #_parent from the SCXML IO Processor!
// Yes do so, see test229!
// if (!boost::equals(_currEvent.getOriginType(), "http://www.w3.org/TR/scxml/#SCXMLEventProcessor"))
invokeIter->second.send(_currEvent);
} catch(...) {
LOG(ERROR) << "Exception caught while sending event to invoker " << invokeIter->first;
}
}
}
enabledTransitions = selectTransitions(_currEvent.name);
if (!enabledTransitions.empty()) {
// test 403b
enabledTransitions.to_document_order();
microstep(enabledTransitions);
}
}
EXIT_INTERPRETER:
// --- MONITOR: beforeCompletion ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->beforeCompletion(shared_from_this());
}
USCXML_MONITOR_CATCH_BLOCK(beforeCompletion)
}
exitInterpreter();
if (_sendQueue) {
std::map<std::string, std::pair<InterpreterImpl*, SendRequest> >::iterator sendIter = _sendIds.begin();
while(sendIter != _sendIds.end()) {
_sendQueue->cancelEvent(sendIter->first);
sendIter++;
}
}
// --- MONITOR: afterCompletion ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->afterCompletion(shared_from_this());
}
USCXML_MONITOR_CATCH_BLOCK(afterCompletion)
}
}
int tbc_mod_gen_compile ()
{
axlDtd * dtd;
axlDoc * doc;
axlError * error;
axlNode * node;
axlNode * moddef;
char * mod_name;
char * tolower;
char * toupper;
char * description;
/* parse DTD document */
dtd = axl_dtd_parse (TBC_MOD_GEN_DTD, -1, &error);
if (dtd == NULL) {
/* report error and dealloc resources */
error ("Failed to parse DTD, error found: %s", axl_error_get (error));
axl_error_free (error);
return axl_false;
} /* end if */
/* nice, now parse the xml file */
doc = axl_doc_parse_from_file (exarg_get_string ("compile"), &error);
if (doc == NULL) {
/* report error and dealloc resources */
error ("unable to parse file: %s, error found: %s",
exarg_get_string ("compile"),
axl_error_get (error));
axl_error_free (error);
axl_dtd_free (dtd);
} /* end if */
/* nice, now validate content */
if (! axl_dtd_validate (doc, dtd, &error)) {
/* report error and dealloc */
error ("failed to validate module description provided: %s, error found: %s",
exarg_get_string ("compile"),
axl_error_get (error));
axl_error_free (error);
axl_doc_free (doc);
axl_dtd_free (dtd);
return axl_false;
} /* end if */
/* ok, now produce source code */
axl_dtd_free (dtd);
/* open file */
moddef = axl_doc_get_root (doc);
node = axl_doc_get (doc, "/mod-def/name");
mod_name = (char *) axl_node_get_content (node, NULL);
mod_name = support_clean_name (mod_name);
tolower = support_to_lower (mod_name);
toupper = support_to_upper (mod_name);
/* out dir */
support_open_file (ctx, "%s%s.c", get_out_dir (), mod_name);
/* place copyright if found */
node = axl_doc_get (doc, "/mod-def/copyright");
if (node != NULL) {
/* place the copyright */
} /* end if */
write ("/* %s implementation */\n", mod_name);
write ("#include <turbulence.h>\n\n");
write ("/* use this declarations to avoid c++ compilers to mangle exported\n");
write (" * names. */\n");
write ("BEGIN_C_DECLS\n\n");
write ("/* global turbulence context reference */\n");
write ("TurbulenceCtx * ctx = NULL;\n\n");
/* place here additional content */
node = axl_doc_get (doc, "/mod-def/source-code/additional-content");
if (node != NULL) {
write ("%s\n", axl_node_get_content (node, NULL));
} /* end if */
/* init handler */
write ("/* %s init handler */\n", mod_name);
write ("static int %s_init (TurbulenceCtx * _ctx) {\n", tolower);
push_indent ();
write ("/* configure the module */\n");
write ("TBC_MOD_PREPARE (_ctx);\n\n");
pop_indent ();
node = axl_doc_get (doc, "/mod-def/source-code/init");
if (axl_node_get_content (node, NULL)) {
/* write the content defined */
write ("%s\n", axl_node_get_content (node, NULL));
}
write ("} /* end %s_init */\n\n", tolower);
/* close handler */
write ("/* %s close handler */\n", mod_name);
write ("static void %s_close (TurbulenceCtx * _ctx) {\n", tolower);
node = axl_doc_get (doc, "/mod-def/source-code/close");
if (axl_node_get_content (node, NULL)) {
/* write the content defined */
write ("%s\n", axl_node_get_content (node, NULL));
}
write ("} /* end %s_close */\n\n", tolower);
/* reconf handler */
write ("/* %s reconf handler */\n", mod_name);
write ("static void %s_reconf (TurbulenceCtx * _ctx) {\n", tolower);
node = axl_doc_get (doc, "/mod-def/source-code/reconf");
if (axl_node_get_content (node, NULL)) {
/* write the content defined */
write ("%s\n", axl_node_get_content (node, NULL));
}
write ("} /* end %s_reconf */\n\n", tolower);
/* unload handler */
write ("/* %s unload handler */\n", mod_name);
write ("static void %s_unload (TurbulenceCtx * _ctx) {\n", tolower);
node = axl_doc_get (doc, "/mod-def/source-code/unload");
if (axl_node_get_content (node, NULL)) {
/* write the content defined */
write ("%s\n", axl_node_get_content (node, NULL));
}
write ("} /* end %s_unload */\n\n", tolower);
/* ppath_selected handler */
write ("/* %s ppath-selected handler */\n", mod_name);
write ("static axl_bool %s_ppath_selected (TurbulenceCtx * _ctx, TurbulencePPathDef * ppath_selected, VortexConnection * conn) {\n", tolower);
node = axl_doc_get (doc, "/mod-def/source-code/ppath-selected");
if (axl_node_get_content (node, NULL)) {
/* write the content defined */
write ("%s\n", axl_node_get_content (node, NULL));
}
write ("} /* end %s_ppath_selected */\n\n", tolower);
/* write handler description */
write ("/* Entry point definition for all handlers included in this module */\n");
write ("TurbulenceModDef module_def = {\n");
push_indent ();
write ("\"%s\",\n", mod_name);
node = axl_doc_get (doc, "/mod-def/description");
description = (char *) axl_node_get_content (node, NULL);
write ("\"%s\",\n", description ? description : "");
write ("%s_init,\n", tolower);
write ("%s_close,\n", tolower);
write ("%s_reconf,\n", tolower);
write ("%s_unload,\n", tolower);
write ("%s_ppath_selected\n", tolower);
pop_indent ();
write ("};\n\n");
write ("END_C_DECLS\n\n");
/* close content */
support_close_file (ctx);
/* create the makefile required */
support_open_file (ctx, "%sMakefile.am", get_out_dir ());
write ("# Module definition\n");
write ("EXTRA_DIST = %s\n\n", exarg_get_string ("compile"));
write ("INCLUDES = -Wall -g -ansi $(TURBULENCE_CFLAGS) -I../../src -DCOMPILATION_DATE=`date +%%s` \\\n");
push_indent ();
write ("-DVERSION=\\\"$(VERSION)\\\" \\\n");
write ("$(AXL_CFLAGS) $(VORTEX_CFLAGS) $(EXARG_CFLAGS)\n\n");
pop_indent ();
write ("# configure module binary\n");
write ("lib_LTLIBRARIES = %s.la\n", mod_name);
write ("%s_la_SOURCES = %s.c %s\n", mod_name, mod_name,
HAS_ATTR (moddef, "sources") ? ATTR_VALUE (moddef, "sources") : "");
write ("%s_la_LDFLAGS = -module -ldl\n\n", mod_name);
write ("# reconfigure module installation directory\n");
write ("libdir = `turbulence-config --mod-dir`\n\n");
write ("# configure site module installation\n");
write ("modconfdir = `turbulence-config --mod-xml`\n");
write ("modconf_DATA = %s.xml %s.win32.xml\n\n", mod_name, mod_name);
write ("%s.xml %s.win32.xml:\n", mod_name, mod_name);
push_indent ();
write ("echo \"<mod-turbulence location=\\\"`turbulence-config --mod-dir`/%s.so\\\"/>\" > %s.xml\n", mod_name, mod_name);
write ("echo \"<mod-turbulence location=\\\"../modules/%s.dll\\\"/>\" > %s.win32.xml\n", mod_name, mod_name);
pop_indent ();
support_close_file (ctx);
/* create autoconf if defined */
if (exarg_is_defined ("enable-autoconf")) {
msg ("found autoconf support files request..");
/* create the autogen.sh */
support_open_file (ctx, "%sautogen.sh", get_out_dir ());
write ("# autogen.sh file created by tbc-mod-gen\n");
write ("PACKAGE=\"%s: %s\"\n\n", mod_name, description);
write ("(automake --version) < /dev/null > /dev/null 2>&1 || {\n");
push_indent ();
write ("echo;\n");
write ("echo \"You must have automake installed to compile $PACKAGE\";\n");
write ("echo;\n");
write ("exit;\n");
pop_indent ();
write ("}\n\n");
write ("(autoconf --version) < /dev/null > /dev/null 2>&1 || {\n");
push_indent ();
write ("echo;\n");
write ("echo \"You must have autoconf installed to compile $PACKAGE\";\n");
write ("echo;\n");
write ("exit;\n");
pop_indent ();
write ("}\n\n");
write ("echo \"Generating configuration files for $PACKAGE, please wait....\"\n");
write ("echo;\n\n");
write ("touch NEWS README AUTHORS ChangeLog\n");
write ("libtoolize --force;\n");
write ("aclocal $ACLOCAL_FLAGS;\n");
write ("autoheader;\n");
write ("automake --add-missing;\n");
write ("autoconf;\n\n");
write ("./configure $@ --enable-maintainer-mode --enable-compile-warnings\n");
support_close_file (ctx);
support_make_executable (ctx, "%sautogen.sh", get_out_dir ());
/* now create the configure.ac file */
support_open_file (ctx, "%sconfigure.ac", get_out_dir ());
write ("dnl configure.ac template file created by tbc-mod-gen\n");
write ("AC_INIT(%s.c)\n\n", mod_name);
write ("dnl declare a global version value\n");
write ("%s_VERSION=\"0.0.1\"\n", toupper);
write ("AC_SUBST(%s_VERSION)\n\n", toupper);
write ("AC_CONFIG_AUX_DIR(.)\n");
write ("AM_INIT_AUTOMAKE(%s, $%s_VERSION)\n\n", mod_name, toupper);
write ("AC_CONFIG_HEADER(config.h)\n");
write ("AM_MAINTAINER_MODE\n");
write ("AC_PROG_CC\n");
write ("AC_ISC_POSIX\n");
write ("AC_HEADER_STDC\n");
write ("AM_PROG_LIBTOOL\n\n");
write ("dnl external dependencies\n");
write ("PKG_CHECK_MODULES(AXL, axl >= %s)\n\n", AXL_VERSION);
write ("dnl general libries subsitution\n");
write ("AC_SUBST(AXL_CFLAGS)\n");
write ("AC_SUBST(AXL_LIBS)\n\n");
write ("dnl external dependencies\n");
write ("PKG_CHECK_MODULES(VORTEX, vortex >= %s) \n\n", VORTEX_VERSION);
write ("dnl general libries subsitution\n");
write ("AC_SUBST(VORTEX_CFLAGS)\n");
write ("AC_SUBST(VORTEX_LIBS)\n\n");
write ("dnl external dependencies\n");
write ("PKG_CHECK_MODULES(EXARG, exarg)\n\n");
write ("dnl general libries subsitution\n");
write ("AC_SUBST(EXARG_CFLAGS)\n");
write ("AC_SUBST(EXARG_LIBS)\n\n");
write ("dnl external dependencies\n");
write ("PKG_CHECK_MODULES(TURBULENCE, turbulence >= %s)\n\n", VERSION);
write ("dnl general libries subsitution\n");
write ("AC_SUBST(TURBULENCE_CFLAGS)\n");
write ("AC_SUBST(TURBULENCE_LIBS)\n\n");
write ("AC_OUTPUT([\n");
write ("Makefile\n");
write ("])\n\n");
write ("echo \"------------------------------------------\"\n");
write ("echo \"-- mod_template Settings --\"\n");
write ("echo \"------------------------------------------\"\n");
write ("echo \"------------------------------------------\"\n");
write ("echo \"-- Let it BEEP! --\"\n");
write ("echo \"-- --\"\n");
write ("echo \"-- NOW TYPE: make; make install --\"\n");
write ("echo \"------------------------------------------\"\n");
support_close_file (ctx);
} /* end if */
/* dealloc */
axl_free (tolower);
axl_free (toupper);
axl_doc_free (doc);
/* create the script file */
support_open_file (ctx, "%sgen-code", get_out_dir ());
write ("#!/bin/sh\n\n");
/* write the mod gen */
write ("tbc-mod-gen --compile %s --out-dir %s\n", exarg_get_string ("compile"), exarg_get_string ("out-dir"));
support_close_file (ctx);
support_make_executable (ctx, "%sgen-code", get_out_dir ());
msg ("%s created!", mod_name);
axl_free (mod_name);
return axl_true;
}
axl_bool mod_sasl_mysql_do_auth (TurbulenceCtx * ctx,
VortexConnection * conn,
axlNode * auth_db_node_conf,
const char * auth_id,
const char * authorization_id,
const char * formated_password,
const char * password,
const char * serverName,
const char * sasl_method,
axlError ** err)
{
char * query;
axlDoc * doc;
axlNode * node;
axl_bool _result = axl_false;
/* check import parameters without doing anything */
if (! mod_sasl_mysql_check_unallowed_sequence (ctx, conn, auth_id))
return axl_false;
if (! mod_sasl_mysql_check_unallowed_sequence (ctx, conn, password))
return axl_false;
if (! mod_sasl_mysql_check_unallowed_sequence (ctx, conn, formated_password))
return axl_false;
if (! mod_sasl_mysql_check_unallowed_sequence (ctx, conn, serverName))
return axl_false;
if (! mod_sasl_mysql_check_unallowed_sequence (ctx, conn, authorization_id))
return axl_false;
if (! mod_sasl_mysql_check_unallowed_sequence (ctx, conn, sasl_method))
return axl_false;
if (! mod_sasl_mysql_check_unallowed_sequence (ctx, conn, auth_id))
return axl_false;
if (! mod_sasl_mysql_check_unallowed_sequence (ctx, conn, vortex_connection_get_host (conn)))
return axl_false;
/* get the auth query */
doc = axl_node_annotate_get (auth_db_node_conf, "mysql-conf", axl_false);
if (doc == NULL) {
axl_error_report (err, -1, "Found no xml document defining MySQL settings to connect to the database");
return axl_false;
} /* end if */
/* check for ip filter reference */
node = axl_doc_get (doc, "/sasl-auth-db/ip-filter");
if (node && HAS_ATTR (node, "query")) {
/* ip filter defined, get query */
query = axl_strdup (ATTR_VALUE (node, "query"));
/* replace query with recognized tokens */
axl_replace (query, "%u", auth_id);
axl_replace (query, "%n", serverName);
axl_replace (query, "%i", authorization_id);
axl_replace (query, "%m", sasl_method);
msg ("Checking IP filter for auth id [%s], query [%s]", auth_id, query);
if (! mod_sasl_mysql_check_ip_filter_query (ctx, query, conn, auth_db_node_conf)) {
error ("login failure: %s, ip filtered by defined expression associated to user: %s denied connection from %s",
auth_id, auth_id, vortex_connection_get_host_ip (conn));
axl_free (query);
return 0;
}
msg ("IP not filtered by defined expression associated to user: %s allowed connection from %s",
auth_id, vortex_connection_get_host_ip (conn));
/* ip not filtered, now let the auth continue */
axl_free (query);
} /* end if */
/***** ALT AUTHENTICATION *****/
/* get alt password if defined <get-password-alt> */
node = axl_doc_get (doc, "/sasl-auth-db/get-password-alt");
if (node) {
/* get query */
query = (char *) ATTR_VALUE_TRANS (node, "query");
/* call to do auth operation */
_result = __mod_sasl_mysql_prepare_query_and_auth (ctx, query, conn, auth_db_node_conf, auth_id, authorization_id,
formated_password, password,
serverName, sasl_method, axl_false,
/* skip login error reporting */ axl_true, err);
/* clean for cleanup node <get-password-alt-cleanup> */
node = axl_doc_get (doc, "/sasl-auth-db/get-password-alt-cleanup");
if (node) {
/* get query */
query = (char *) ATTR_VALUE_TRANS (node, "query");
/* call and skip getting value reported */
if (! __mod_sasl_mysql_prepare_query_and_auth (ctx, query, conn, auth_db_node_conf, auth_id, authorization_id,
formated_password, password,
serverName, sasl_method, axl_true,
/* skip login error reporting */ axl_true, err))
error ("Cleanup query failed, please, review <get-password-alt-cleanup>..");
} /* end if */
} /* end if */
/**** MAIN AUTHENTICATION ****/
/* if authentication failed, try with main table */
if (! _result) {
/* get the node that contains the configuration */
node = axl_doc_get (doc, "/sasl-auth-db/get-password");
query = (char *) ATTR_VALUE (node, "query");
/* call to do auth operation */
_result = __mod_sasl_mysql_prepare_query_and_auth (ctx, query, conn, auth_db_node_conf, auth_id, authorization_id,
formated_password, password,
serverName, sasl_method, axl_false,
/* skip login error reporting */ axl_false, err);
} /* end if */
/* now check for auth-log declaration to report it */
node = axl_doc_get (doc, "/sasl-auth-db/auth-log");
if (node) {
/* log auth defined */
query = axl_strdup (ATTR_VALUE (node, "query"));
/* replace query with recognized tokens */
axl_replace (query, "%t", _result ? "ok" : "failed");
axl_replace (query, "%u", auth_id);
axl_replace (query, "%n", serverName);
axl_replace (query, "%i", authorization_id);
axl_replace (query, "%m", sasl_method);
axl_replace (query, "%p", vortex_connection_get_host (conn));
msg ("Trying to auth-log %s:%s with query string %s", auth_id, _result ? "ok" : "failed", query);
/* exec query */
if (! mod_sasl_mysql_do_query (ctx, auth_db_node_conf, query, axl_true, err)) {
error ("Unable to auth-log, failed query configured, error was: %d:%s",
axl_error_get_code (*err), axl_error_get (*err));
axl_error_free (*err);
}
axl_free (query);
} /* end if */
if (!_result)
error ("login failure: %s, failed from: %s", auth_id, vortex_connection_get_host_ip (conn));
return _result ? 1 : 0;
}
axl_bool mod_sasl_mysql_load_auth_db (TurbulenceCtx * ctx,
SaslAuthBackend * sasl_backend,
axlNode * auth_db_node_conf,
axlError ** err)
{
MYSQL * conn;
const char * location;
char * basedir = NULL;
axlDoc * doc;
axlError * local_err = NULL;
/* check if location is defined */
if (! HAS_ATTR (auth_db_node_conf, "location")) {
axl_error_report (err, -1, "Unable to open auth mysql database, 'location' attribute is not defined");
return axl_false;
} /* end if */
/* find the node that holds the connection configuration */
location = ATTR_VALUE (auth_db_node_conf, "location");
/* check if the location is relative or not */
if (! turbulence_file_is_fullpath (location)) {
/* get base dir of the sasl.conf that represents this
backend */
basedir = turbulence_base_dir (common_sasl_get_file_path (sasl_backend));
/* now build a new path */
location = axl_strdup_printf ("%s%s%s", basedir, VORTEX_FILE_SEPARATOR, location);
msg ("Found relative file to auth mysql db settings, resolved to: %s", location);
} /* end if */
/* now load the file */
doc = axl_doc_parse_from_file (location, &local_err);
/* check for error and report */
if (doc == NULL) {
axl_error_report (err, -1, "Failed to open auth mysql db at %s error was %s", location, axl_error_get (local_err));
axl_error_free (local_err);
} /* end if */
/* dealloc some variables */
if (basedir) {
axl_free (basedir);
axl_free ((char *) location);
} /* end if */
/* return if error */
if (doc == NULL) {
return axl_false;
} /* end if */
/* do DTD validation */
if (! axl_dtd_validate (doc, mysql_sasl_dtd, &local_err)) {
axl_error_report (err, -1, "Failed to open auth mysql db at %s, found DTD error %s", location, axl_error_get (local_err));
axl_error_free (local_err);
axl_doc_free (doc);
return axl_false;
} /* end if */
/* link the document to this node so we can reuse it later */
axl_node_annotate_data_full (auth_db_node_conf, "mysql-conf", NULL, doc, (axlDestroyFunc) axl_doc_free);
/* request to load msyql database */
conn = mod_sasl_mysql_get_connection (ctx, auth_db_node_conf, err);
if (conn == NULL)
return axl_false;
msg ("load database ok");
/* connection ok, this means we have loaded the database */
return axl_true;
}
void InterpreterDraft6::exitStates(const Arabica::XPath::NodeSet<std::string>& enabledTransitions) {
NodeSet<std::string> statesToExit;
monIter_t monIter;
#if VERBOSE
std::cout << _name << ": Enabled exit transitions: " << std::endl;
for (int i = 0; i < enabledTransitions.size(); i++) {
std::cout << enabledTransitions[i] << std::endl;
}
std::cout << std::endl;
#endif
for (int i = 0; i < enabledTransitions.size(); i++) {
Element<std::string> t = ((Element<std::string>)enabledTransitions[i]);
if (!isTargetless(t)) {
Node<std::string> ancestor;
Node<std::string> source = getSourceState(t);
// std::cout << t << std::endl << TAGNAME(t) << std::endl;
NodeSet<std::string> tStates = getTargetStates(t);
bool isInternal = (HAS_ATTR(t, "type") && iequals(ATTR(t, "type"), "internal")); // external is default
bool allDescendants = true;
for (int j = 0; j < tStates.size(); j++) {
if (!isDescendant(tStates[j], source)) {
allDescendants = false;
break;
}
}
if (isInternal && allDescendants && isCompound(source)) {
ancestor = source;
} else {
NodeSet<std::string> tmpStates;
tmpStates.push_back(source);
tmpStates.insert(tmpStates.end(), tStates.begin(), tStates.end());
#if VERBOSE
std::cout << _name << ": tmpStates: ";
for (int i = 0; i < tmpStates.size(); i++) {
std::cout << ATTR(tmpStates[i], "id") << ", ";
}
std::cout << std::endl;
#endif
ancestor = findLCCA(tmpStates);
}
#if VERBOSE
std::cout << _name << ": Ancestor: " << ATTR(ancestor, "id") << std::endl;;
#endif
for (int j = 0; j < _configuration.size(); j++) {
if (isDescendant(_configuration[j], ancestor))
statesToExit.push_back(_configuration[j]);
}
}
}
// remove statesToExit from _statesToInvoke
std::list<Node<std::string> > tmp;
for (int i = 0; i < _statesToInvoke.size(); i++) {
if (!isMember(_statesToInvoke[i], statesToExit)) {
tmp.push_back(_statesToInvoke[i]);
}
}
_statesToInvoke = NodeSet<std::string>();
_statesToInvoke.insert(_statesToInvoke.end(), tmp.begin(), tmp.end());
statesToExit.forward(false);
statesToExit.sort();
#if VERBOSE
std::cout << _name << ": States to exit: ";
for (int i = 0; i < statesToExit.size(); i++) {
std::cout << LOCALNAME(statesToExit[i]) << ":" << ATTR(statesToExit[i], "id") << ", ";
}
std::cout << std::endl;
#endif
for (int i = 0; i < statesToExit.size(); i++) {
NodeSet<std::string> histories = filterChildElements(_nsInfo.xmlNSPrefix + "history", statesToExit[i]);
for (int j = 0; j < histories.size(); j++) {
Element<std::string> historyElem = (Element<std::string>)histories[j];
std::string historyType = (historyElem.hasAttribute("type") ? historyElem.getAttribute("type") : "shallow");
NodeSet<std::string> historyNodes;
for (int k = 0; k < _configuration.size(); k++) {
if (iequals(historyType, "deep")) {
if (isAtomic(_configuration[k]) && isDescendant(_configuration[k], statesToExit[i]))
historyNodes.push_back(_configuration[k]);
} else {
if (_configuration[k].getParentNode() == statesToExit[i])
historyNodes.push_back(_configuration[k]);
}
}
_historyValue[historyElem.getAttribute("id")] = historyNodes;
#if VERBOSE
std::cout << _name << ": History node " << ATTR(historyElem, "id") << " contains: ";
for (int i = 0; i < historyNodes.size(); i++) {
std::cout << ATTR(historyNodes[i], "id") << ", ";
}
std::cout << std::endl;
#endif
}
}
for (int i = 0; i < statesToExit.size(); i++) {
// --- MONITOR: beforeExitingState ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->beforeExitingState(shared_from_this(), Element<std::string>(statesToExit[i]), (i + 1 < statesToExit.size()));
}
USCXML_MONITOR_CATCH_BLOCK(beforeExitingState)
}
NodeSet<std::string> onExits = filterChildElements(_nsInfo.xmlNSPrefix + "onExit", statesToExit[i]);
for (int j = 0; j < onExits.size(); j++) {
Element<std::string> onExitElem = (Element<std::string>)onExits[j];
executeContent(onExitElem);
}
// --- MONITOR: afterExitingState ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->afterExitingState(shared_from_this(), Element<std::string>(statesToExit[i]), (i + 1 < statesToExit.size()));
}
USCXML_MONITOR_CATCH_BLOCK(afterExitingState)
}
NodeSet<std::string> invokes = filterChildElements(_nsInfo.xmlNSPrefix + "invoke", statesToExit[i]);
for (int j = 0; j < invokes.size(); j++) {
Element<std::string> invokeElem = (Element<std::string>)invokes[j];
if (HAS_ATTR(invokeElem, "persist") && DOMUtils::attributeIsTrue(ATTR(invokeElem, "persist"))) {
// extension for flattened SCXML documents, we will need an explicit uninvoke element
} else {
cancelInvoke(invokeElem);
}
}
// remove statesToExit[i] from _configuration - test409
tmp.clear();
for (int j = 0; j < _configuration.size(); j++) {
if (_configuration[j] != statesToExit[i]) {
tmp.push_back(_configuration[j]);
}
}
_configuration = NodeSet<std::string>();
_configuration.insert(_configuration.end(), tmp.begin(), tmp.end());
}
}
void PostponeElement::enterElement(const Arabica::DOM::Element<std::string>& node) {
if (!_interpreter->getDataModel()) {
LOG(ERROR) << "Postpone element requires a datamodel";
return;
}
// under which condition will we postpone the current event?
if (HAS_ATTR(node, "cond")) {
std::string cond = ATTR(node, "cond");
try {
if (!_interpreter->getDataModel().evalAsBool(cond))
return;
} catch (Event e) {
LOG(ERROR) << "Syntax error in cond attribute of postpone element:" << std::endl << e << std::endl;
return;
}
}
// chaining causes the event to fire if the condition was true since postponing
bool chained = false;
if (HAS_ATTR(node, "chaining")) {
chained = iequals(ATTR(node, "chaining"), "true");
}
// when will we refire the event?
std::string until;
try {
if (HAS_ATTR(node, "untilexpr")) {
until = _interpreter->getDataModel().evalAsString(ATTR(node, "untilexpr"));
} else if (HAS_ATTR(node, "until")) {
until = ATTR(node, "until");
}
} catch (Event e) {
LOG(ERROR) << "Syntax error in postpone element untilexpr:" << std::endl << e << std::endl;
return;
}
if (until.length() == 0) {
LOG(ERROR) << "Postpone element requires until or untilexpr attribute ";
return;
}
// LOG(INFO) << until;
#if 0
std::string timeoutStr = "0s";
try {
if (HAS_ATTR(node, "timeoutexpr")) {
timeoutStr = _interpreter->getDataModel().evalAsString(ATTR(node, "timeoutexpr"));
} else if (HAS_ATTR(node, "timeout")) {
timeoutStr = ATTR(node, "timeout");
}
} catch (Event e) {
LOG(ERROR) << "Syntax error in postpone element timeoutexpr:" << std::endl << e << std::endl;
return;
}
uint64_t timeout = 0;
NumAttr timeoutAttr(timeoutStr);
if (iequals(timeoutAttr.unit, "s")) {
timeout = strTo<int>(timeoutAttr.value) * 1000;
} else if (iequals(timeoutAttr.unit, "ms")) {
timeout = strTo<int>(timeoutAttr.value);
}
if (timeout > 0) {
timeout += tthread::chrono::system_clock::now();
}
#endif
Event currEvent = _interpreter->getCurrentEvent();
Resubmitter::postpone(currEvent, until, 0, chained, _interpreter);
}
void InterpreterDraft6::enterStates(const Arabica::XPath::NodeSet<std::string>& enabledTransitions) {
NodeSet<std::string> statesToEnter;
NodeSet<std::string> statesForDefaultEntry;
monIter_t monIter;
#if VERBOSE
std::cout << _name << ": Enabled enter transitions: " << std::endl;
for (int i = 0; i < enabledTransitions.size(); i++) {
std::cout << "\t" << enabledTransitions[i] << std::endl;
}
std::cout << std::endl;
#endif
for (int i = 0; i < enabledTransitions.size(); i++) {
Element<std::string> transition = ((Element<std::string>)enabledTransitions[i]);
if (!isTargetless(transition)) {
std::string transitionType = (iequals(transition.getAttribute("type"), "internal") ? "internal" : "external");
NodeSet<std::string> tStates = getTargetStates(transition);
#if VERBOSE
std::cout << _name << ": Target States: ";
for (int i = 0; i < tStates.size(); i++) {
std::cout << ATTR(tStates[i], "id") << ", ";
}
std::cout << std::endl;
#endif
Node<std::string> ancestor;
Node<std::string> source = getSourceState(transition);
#if VERBOSE
std::cout << _name << ": Source States: " << ATTR(source, "id") << std::endl;
#endif
assert(source);
bool allDescendants = true;
for (int j = 0; j < tStates.size(); j++) {
if (!isDescendant(tStates[j], source)) {
allDescendants = false;
break;
}
}
if (iequals(transitionType, "internal") &&
isCompound(source) &&
allDescendants) {
ancestor = source;
} else {
NodeSet<std::string> tmpStates;
tmpStates.push_back(source);
tmpStates.insert(tmpStates.end(), tStates.begin(), tStates.end());
ancestor = findLCCA(tmpStates);
}
#if VERBOSE
std::cout << _name << ": Ancestor: " << ATTR(ancestor, "id") << std::endl;
#endif
for (int j = 0; j < tStates.size(); j++) {
addStatesToEnter(tStates[j], statesToEnter, statesForDefaultEntry);
}
#if VERBOSE
std::cout << _name << ": States to enter: ";
for (int i = 0; i < statesToEnter.size(); i++) {
std::cout << LOCALNAME(statesToEnter[i]) << ":" << ATTR(statesToEnter[i], "id") << ", ";
}
std::cout << std::endl;
#endif
for (int j = 0; j < tStates.size(); j++) {
NodeSet<std::string> ancestors = getProperAncestors(tStates[j], ancestor);
#if VERBOSE
std::cout << _name << ": Proper Ancestors of " << ATTR(tStates[j], "id") << " and " << ATTR(ancestor, "id") << ": ";
for (int i = 0; i < ancestors.size(); i++) {
std::cout << ATTR(ancestors[i], "id") << ", ";
}
std::cout << std::endl;
#endif
for (int k = 0; k < ancestors.size(); k++) {
statesToEnter.push_back(ancestors[k]);
if(isParallel(ancestors[k])) {
NodeSet<std::string> childs = getChildStates(ancestors[k]);
for (int l = 0; l < childs.size(); l++) {
bool someIsDescendant = false;
for (int m = 0; m < statesToEnter.size(); m++) {
if (isDescendant(statesToEnter[m], childs[l])) {
someIsDescendant = true;
break;
}
}
if (!someIsDescendant) {
addStatesToEnter(childs[l], statesToEnter, statesForDefaultEntry);
}
}
}
}
}
}
}
statesToEnter.to_document_order();
#if VERBOSE
std::cout << _name << ": States to enter: ";
for (int i = 0; i < statesToEnter.size(); i++) {
std::cout << ATTR(statesToEnter[i], "id") << ", ";
}
std::cout << std::endl;
#endif
for (int i = 0; i < statesToEnter.size(); i++) {
Element<std::string> stateElem = (Element<std::string>)statesToEnter[i];
// extension for flattened interpreters
for (unsigned int k = 0; k < statesToEnter.size(); k++) {
NodeSet<std::string> invokes = filterChildElements(_nsInfo.xmlNSPrefix + "invoke", statesToEnter[k]);
for (unsigned int j = 0; j < invokes.size(); j++) {
if (HAS_ATTR(invokes[j], "persist") && DOMUtils::attributeIsTrue(ATTR(invokes[j], "persist"))) {
invoke(invokes[j]);
}
}
}
// --- MONITOR: beforeEnteringState ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->beforeEnteringState(shared_from_this(), stateElem, (i + 1 < statesToEnter.size()));
}
USCXML_MONITOR_CATCH_BLOCK(beforeEnteringState)
}
// extension for flattened SCXML documents, we will need an explicit uninvoke element
NodeSet<std::string> uninvokes = filterChildElements(_nsInfo.xmlNSPrefix + "uninvoke", statesToEnter[i]);
for (int j = 0; j < uninvokes.size(); j++) {
Element<std::string> uninvokeElem = (Element<std::string>)uninvokes[j];
cancelInvoke(uninvokeElem);
}
_configuration.push_back(stateElem);
_statesToInvoke.push_back(stateElem);
// if (_binding == LATE && stateElem.getAttribute("isFirstEntry").size() > 0) {
if (_binding == LATE && !isMember(stateElem, _alreadyEntered)) {
NodeSet<std::string> dataModelElems = filterChildElements(_nsInfo.xmlNSPrefix + "datamodel", stateElem);
if(dataModelElems.size() > 0 && _dataModel) {
Arabica::XPath::NodeSet<std::string> dataElems = filterChildElements(_nsInfo.xmlNSPrefix + "data", dataModelElems[0]);
for (int j = 0; j < dataElems.size(); j++) {
if (dataElems[j].getNodeType() == Node_base::ELEMENT_NODE)
initializeData(Element<std::string>(dataElems[j]));
}
}
_alreadyEntered.push_back(stateElem);
// stateElem.setAttribute("isFirstEntry", "");
}
// execute onentry executable content
NodeSet<std::string> onEntryElems = filterChildElements(_nsInfo.xmlNSPrefix + "onEntry", stateElem);
executeContent(onEntryElems, false);
// --- MONITOR: afterEnteringState ------------------------------
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
try {
(*monIter)->afterEnteringState(shared_from_this(), stateElem, (i + 1 < statesToEnter.size()));
}
USCXML_MONITOR_CATCH_BLOCK(afterEnteringState)
}
if (isMember(stateElem, statesForDefaultEntry)) {
// execute initial transition content for compound states
Arabica::XPath::NodeSet<std::string> transitions = _xpath.evaluate("" + _nsInfo.xpathPrefix + "initial/" + _nsInfo.xpathPrefix + "transition", stateElem).asNodeSet();
for (int j = 0; j < transitions.size(); j++) {
executeContent(transitions[j]);
}
}
if (isFinal(stateElem)) {
internalDoneSend(stateElem);
Element<std::string> parent = (Element<std::string>)stateElem.getParentNode();
if (isParallel(parent.getParentNode())) {
Element<std::string> grandParent = (Element<std::string>)parent.getParentNode();
Arabica::XPath::NodeSet<std::string> childs = getChildStates(grandParent);
bool inFinalState = true;
for (int j = 0; j < childs.size(); j++) {
if (!isInFinalState(childs[j])) {
inFinalState = false;
break;
}
}
if (inFinalState) {
internalDoneSend(parent);
}
}
}
}
for (int i = 0; i < _configuration.size(); i++) {
Element<std::string> stateElem = (Element<std::string>)_configuration[i];
if (isFinal(stateElem) && parentIsScxmlState(stateElem)) {
_running = false;
_done = true;
}
}
}