118 lines
4.5 KiB
C++
118 lines
4.5 KiB
C++
/*
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open source routing machine
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Copyright (C) Dennis Luxen, 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU AFFERO General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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or see http://www.gnu.org/licenses/agpl.txt.
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*/
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#ifndef REQUEST_HANDLER_H
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#define REQUEST_HANDLER_H
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#include <algorithm>
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#include <cctype> // std::tolower
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#include <string>
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#include <iostream>
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#include <boost/noncopyable.hpp>
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#include "APIGrammar.h"
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#include "BasicDatastructures.h"
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#include "../DataStructures/HashTable.h"
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#include "../Plugins/BasePlugin.h"
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#include "../Plugins/RouteParameters.h"
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#include "../Util/StringUtil.h"
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#include "../typedefs.h"
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namespace http {
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class RequestHandler : private boost::noncopyable {
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public:
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explicit RequestHandler() : _pluginCount(0) { }
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~RequestHandler() {
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for(unsigned i = 0; i < _pluginVector.size(); i++) {
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BasePlugin * tempPointer = _pluginVector[i];
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delete tempPointer;
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}
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}
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void handle_request(const Request& req, Reply& rep){
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//parse command
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try {
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std::string request(req.uri);
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{ //This block logs the current request to std out. should be moved to a logging component
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time_t ltime;
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struct tm *Tm;
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ltime=time(NULL);
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Tm=localtime(<ime);
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INFO((Tm->tm_mday < 10 ? "0" : "" ) << Tm->tm_mday << "-" << (Tm->tm_mon+1 < 10 ? "0" : "" ) << (Tm->tm_mon+1) << "-" << 1900+Tm->tm_year << " " << (Tm->tm_hour < 10 ? "0" : "" ) << Tm->tm_hour << ":" << (Tm->tm_min < 10 ? "0" : "" ) << Tm->tm_min << ":" << (Tm->tm_sec < 10 ? "0" : "" ) << Tm->tm_sec << " " <<
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req.endpoint.to_string() << " " << req.referrer << ( 0 == req.referrer.length() ? "- " :" ") << req.agent << ( 0 == req.agent.length() ? "- " :" ") << req.uri );
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}
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RouteParameters routeParameters;
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APIGrammar<std::string::iterator, RouteParameters> apiParser(&routeParameters);
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std::string::iterator it = request.begin();
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bool result = boost::spirit::qi::parse(it, request.end(), apiParser); // returns true if successful
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if (!result || (it != request.end()) ) {
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rep = http::Reply::stockReply(http::Reply::badRequest);
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int position = std::distance(request.begin(), it);
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std::string tmp_position_string;
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intToString(position, tmp_position_string);
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rep.content += "Input seems to be malformed close to position ";
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rep.content += "<br><pre>";
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rep.content += request;
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rep.content += tmp_position_string;
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rep.content += "<br>";
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for(unsigned i = 0, end = std::distance(request.begin(), it); i < end; ++i)
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rep.content += " ";
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rep.content += "^<br></pre>";
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} else {
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//Finished parsing, lets call the right plugin to handle the request
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if(pluginMap.Holds(routeParameters.service)) {
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rep.status = Reply::ok;
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_pluginVector[pluginMap.Find(routeParameters.service)]->HandleRequest(routeParameters, rep );
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} else {
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rep = Reply::stockReply(Reply::badRequest);
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}
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return;
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}
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} catch(std::exception& e) {
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rep = Reply::stockReply(Reply::internalServerError);
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std::cerr << "[server error] code: " << e.what() << ", uri: " << req.uri << std::endl;
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return;
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}
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};
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void RegisterPlugin(BasePlugin * plugin) {
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std::cout << "[handler] registering plugin " << plugin->GetDescriptor() << std::endl;
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pluginMap.Add(plugin->GetDescriptor(), _pluginCount);
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_pluginVector.push_back(plugin);
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++_pluginCount;
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}
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private:
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HashTable<std::string, unsigned> pluginMap;
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std::vector<BasePlugin *> _pluginVector;
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unsigned _pluginCount;
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};
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} // namespace http
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#endif // REQUEST_HANDLER_H
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