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#include "MMIEventServlet.h"
#include <uscxml/NameSpacingParser.h>
#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
#endif
#include "uscxml/Message.h"
#include <iostream>
#include <event2/dns.h>
#include <event2/buffer.h>
#include <event2/keyvalq_struct.h>
#include <string.h>
#include <io/uri.hpp>
#include <glog/logging.h>
#ifndef _WIN32
#include <netdb.h>
#include <arpa/inet.h>
#endif
#define MMI_HTTP_EVENT_CASE(type) \
else if (boost::iequals(mmiEvent.getLocalName(), #type)) { \
monIter = _monitors.begin(); \
while(monIter != _monitors.end()) { \
(*monIter)->received(type::fromXML(mmiDoc)); \
monIter++; \
} \
}
namespace uscxml {
using namespace Arabica::DOM;
MMIEventServlet::MMIEventServlet(const std::string& path) : _path(path) {
// register at http server
bool success = HTTPServer::registerServlet(_path, this);
assert(success);
}
MMIEventServlet::~MMIEventServlet() {
HTTPServer* httpServer = HTTPServer::getInstance();
httpServer->unregisterServlet(this);
}
void MMIEventServlet::send(const MMIEvent& mmiEvent) {
URL url(mmiEvent.target);
url.addMonitor(this);
std::stringstream content;
content << mmiEvent.toXML();
url.setOutContent(content.str());
url.download();
}
void MMIEventServlet::httpRecvRequest(const HTTPServer::Request& req) {
// is this a request from a HTML browser?
NameSpacingParser* parser = NameSpacingParser::fromXML(req.data.compound.at("content").atom);
if (!parser) {
evhttp_send_error(req.curlReq, 402, NULL);
return;
}
Document<std::string> mmiDoc = parser->getDocument();
std::cout << mmiDoc.getNamespaceURI() << std::endl;
Node<std::string> mmiEvent = mmiDoc.getFirstChild();
// get the first element
while (mmiEvent && mmiEvent.getNodeType() != Node_base::ELEMENT_NODE) {
mmiEvent = mmiEvent.getNextSibling();
}
// get the contained message
if (boost::iequals(mmiEvent.getLocalName(), "mmi")) {
mmiEvent = mmiEvent.getFirstChild();
while (mmiEvent && mmiEvent.getNodeType() != Node_base::ELEMENT_NODE) {
mmiEvent = mmiEvent.getNextSibling();
}
}
std::cout << mmiEvent << std::endl;
if (!mmiEvent) {
evhttp_send_error(req.curlReq, 402, NULL);
return;
}
std::set<MMIEventReceiver*>::iterator monIter;
if (false) {}
MMI_HTTP_EVENT_CASE(NewContextRequest)
MMI_HTTP_EVENT_CASE(NewContextResponse)
MMI_HTTP_EVENT_CASE(PrepareRequest)
MMI_HTTP_EVENT_CASE(PrepareResponse)
MMI_HTTP_EVENT_CASE(StartRequest)
MMI_HTTP_EVENT_CASE(StartResponse)
MMI_HTTP_EVENT_CASE(DoneNotification)
MMI_HTTP_EVENT_CASE(CancelRequest)
MMI_HTTP_EVENT_CASE(CancelResponse)
MMI_HTTP_EVENT_CASE(PauseRequest)
MMI_HTTP_EVENT_CASE(PauseResponse)
MMI_HTTP_EVENT_CASE(ResumeRequest)
MMI_HTTP_EVENT_CASE(ResumeResponse)
MMI_HTTP_EVENT_CASE(ExtensionNotification)
MMI_HTTP_EVENT_CASE(ClearContextRequest)
MMI_HTTP_EVENT_CASE(ClearContextResponse)
MMI_HTTP_EVENT_CASE(StatusRequest)
MMI_HTTP_EVENT_CASE(StatusResponse)
else {
LOG(ERROR) << "Unknown MMI Event";
evhttp_send_error(req.curlReq, 402, NULL);
return;
}
evhttp_send_reply(req.curlReq, 204, NULL, NULL);
#if 0
Event reqEvent = req;
reqEvent.type = Event::EXTERNAL;
bool scxmlStructFound = false;
if (reqEvent.data.compound["header"].compound.find("Content-Type") != reqEvent.data.compound["header"].compound.end() &&
boost::iequals(reqEvent.data.compound["header"].compound["Content-Type"].atom, "application/x-www-form-urlencoded")) {
std::stringstream ss(reqEvent.data.compound["content"].atom);
std::string term;
while(std::getline(ss, term, '&')) {
size_t split = term.find_first_of("=");
if (split != std::string::npos) {
std::string key = evhttp_decode_uri(term.substr(0, split).c_str());
std::string value = evhttp_decode_uri(term.substr(split + 1).c_str());
if (boost::iequals(key, "_scxmleventname")) {
reqEvent.name = value;
} else if (boost::iequals(key, "content")) {
reqEvent.initContent(value);
} else {
reqEvent.data.compound[key] = value;
reqEvent.params.insert(std::make_pair(key, value));
}
} else {
// this is most likely wrong
reqEvent.content = evhttp_decode_uri(term.c_str());
}
}
} else {
if (reqEvent.data.compound["header"].compound.find("_scxmleventstruct") != reqEvent.data.compound["header"].compound.end()) {
// TODO: this looses all other information
reqEvent = Event::fromXML(evhttp_decode_uri(reqEvent.data.compound["header"].compound["_scxmleventstruct"].atom.c_str()));
scxmlStructFound = true;
}
if (reqEvent.data.compound["header"].compound.find("_scxmleventname") != reqEvent.data.compound["header"].compound.end()) {
reqEvent.name = evhttp_decode_uri(reqEvent.data.compound["header"].compound["_scxmleventname"].atom.c_str());
}
}
std::map<std::string, Data>::iterator headerIter = reqEvent.data.compound["header"].compound.begin();
while(headerIter != reqEvent.data.compound["header"].compound.end()) {
reqEvent.data.compound[headerIter->first] = Data(evhttp_decode_uri(headerIter->second.atom.c_str()), Data::VERBATIM);
headerIter++;
}
/// test532
if (reqEvent.name.length() == 0)
reqEvent.name = "http." + req.data.compound.at("type").atom;
if (!scxmlStructFound) {
// get content into event
reqEvent.data.compound["content"] = Data(req.content, Data::VERBATIM);
}
evhttp_send_reply(req.curlReq, 200, "OK", NULL);
#endif
}
void MMIEventServlet::downloadStarted(const URL& url) {}
void MMIEventServlet::downloadCompleted(const URL& url) {
std::map<std::string, std::pair<URL, SendRequest> >::iterator reqIter = _sendRequests.begin();
while(reqIter != _sendRequests.end()) {
if (reqIter->second.first == url) {
_sendRequests.erase(reqIter);
return;
}
reqIter++;
}
assert(false);
}
void MMIEventServlet::downloadFailed(const URL& url, int errorCode) {
std::map<std::string, std::pair<URL, SendRequest> >::iterator reqIter = _sendRequests.begin();
while(reqIter != _sendRequests.end()) {
if (reqIter->second.first == url) {
Event failEvent;
failEvent.name = "error.communication";
// returnEvent(failEvent);
_sendRequests.erase(reqIter);
return;
}
reqIter++;
}
assert(false);
}
}
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