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/**
* @file
* @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#include "InterpreterServlet.h"
#include "uscxml/Interpreter.h"
#include <glog/logging.h>
namespace uscxml {
InterpreterHTTPServlet::InterpreterHTTPServlet(InterpreterImpl* interpreter) {
_interpreter = interpreter;
std::stringstream path;
path << _interpreter->getName();
int i = 2;
while(!HTTPServer::registerServlet(path.str(), this)) {
path.clear();
path.str();
path << _interpreter->getName() << i++;
}
_path = path.str();
}
boost::shared_ptr<IOProcessorImpl> InterpreterHTTPServlet::create(InterpreterImpl* interpreter) {
// we instantiate directly in Interpreter
boost::shared_ptr<IOProcessorImpl> io = boost::shared_ptr<InterpreterHTTPServlet>(new InterpreterHTTPServlet(interpreter));
return io;
}
bool InterpreterHTTPServlet::httpRecvRequest(const HTTPServer::Request& req) {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
// evhttp_request_own(req.curlReq);
_requests[toStr((uintptr_t)req.evhttpReq)] = req;
Event event = req;
event.name = "http." + event.data.compound["type"].atom;
event.origin = toStr((uintptr_t)req.evhttpReq);
if (event.data.compound["content"]) {
if (event.data.compound["content"].compound.size() > 0) {
std::map<std::string, Data>::iterator compoundIter = event.data.compound["content"].compound.begin();
while(compoundIter != event.data.compound["content"].compound.end()) {
// std::cout << compoundIter->second.atom << std::endl;
Data json = Data::fromJSON(compoundIter->second.atom);
if (json) {
// std::cout << Data::toJSON(json) << std::endl;
compoundIter->second = json;
}
compoundIter++;
}
}
}
_interpreter->receive(event);
return true;
}
Data InterpreterHTTPServlet::getDataModelVariables() {
Data data;
if(_url.length() > 0)
data.compound["location"] = Data(_url, Data::VERBATIM);
return data;
}
void InterpreterHTTPServlet::send(const SendRequest& req) {
LOG(ERROR) << "send not supported by http iorprocessor, use the fetch element";
}
InterpreterWebSocketServlet::InterpreterWebSocketServlet(InterpreterImpl* interpreter) {
_interpreter = interpreter;
std::stringstream path;
path << _interpreter->getName();
int i = 2;
while(!HTTPServer::registerServlet(path.str(), this)) {
path.clear();
path.str();
path << _interpreter->getName() << i++;
}
_path = path.str();
}
boost::shared_ptr<IOProcessorImpl> InterpreterWebSocketServlet::create(InterpreterImpl* interpreter) {
// we instantiate directly in Interpreter
boost::shared_ptr<IOProcessorImpl> io = boost::shared_ptr<InterpreterWebSocketServlet>(new InterpreterWebSocketServlet(interpreter));
return io;
}
bool InterpreterWebSocketServlet::wsRecvRequest(struct evws_connection *conn, const HTTPServer::WSFrame& frame) {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
// evhttp_request_own(req.curlReq);
_requests[toStr((uintptr_t)conn)] = conn;
Event event = frame;
event.name = "ws." + event.data.compound["type"].atom;
event.origin = toStr((uintptr_t)conn);
if (event.data.compound["type"].atom.compare("text") == 0 && event.data.compound["content"]) {
if (event.data.compound["content"].compound.size() > 0) {
std::map<std::string, Data>::iterator compoundIter = event.data.compound["content"].compound.begin();
while(compoundIter != event.data.compound["content"].compound.end()) {
Data json = Data::fromJSON(compoundIter->second.atom);
if (json) {
compoundIter->second = json;
}
compoundIter++;
}
}
}
_interpreter->receive(event);
return true;
}
Data InterpreterWebSocketServlet::getDataModelVariables() {
Data data;
if(_url.length() > 0)
data.compound["location"] = Data(_url, Data::VERBATIM);
return data;
}
void InterpreterWebSocketServlet::send(const SendRequest& req) {
if (!req.data) {
LOG(WARNING) << "No content given to send on websocket!";
return;
}
if (_requests.find(req.target) != _requests.end()) {
// send data to the given connection
if (false) {
} else if (req.data.binary) {
HTTPServer::wsSend(_requests[req.target],
EVWS_BINARY_FRAME,
req.data.binary->data,
req.data.binary->size);
} else if (req.data.node) {
std::stringstream ssXML;
ssXML << req.data.node;
std::string data = ssXML.str();
HTTPServer::wsSend(_requests[req.target],
EVWS_TEXT_FRAME,
data.c_str(),
data.length());
} else if (req.data) {
std::string data = Data::toJSON(req.data);
HTTPServer::wsSend(_requests[req.target],
EVWS_TEXT_FRAME,
data.c_str(),
data.length());
} else {
LOG(WARNING) << "Not sure what to make off content given to send on websocket!";
}
} else if(req.target.size() && req.target.compare(0, 1, "/") == 0) {
// broadcast to the given path
if (false) {
} else if (req.data.binary) {
HTTPServer::wsBroadcast(req.target.c_str(),
EVWS_BINARY_FRAME,
req.data.binary->data,
req.data.binary->size);
} else if (req.data.node) {
std::stringstream ssXML;
ssXML << req.data.node;
std::string data = ssXML.str();
HTTPServer::wsBroadcast(req.target.c_str(),
EVWS_TEXT_FRAME,
data.c_str(),
data.length());
} else if (req.data) {
std::string data = Data::toJSON(req.data);
HTTPServer::wsBroadcast(req.target.c_str(),
EVWS_TEXT_FRAME,
data.c_str(),
data.length());
} else {
LOG(WARNING) << "Not sure what to make off content given to broadcast on websocket!";
}
} else {
LOG(WARNING) << "Invalid target for websocket";
}
}
}
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