117 lines
3.8 KiB
C++
117 lines
3.8 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/lexical_cast.hpp>
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#include <boost/noncopyable.hpp>
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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 "../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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std::string request(req.uri);
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// INFO( "[r] " << request );
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std::string command;
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std::size_t firstAmpPosition = request.find_first_of("?");
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command = request.substr(1,firstAmpPosition-1);
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// DEBUG("[debug] looking for handler for command: " << command);
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try {
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if(pluginMap.Holds(command)) {
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RouteParameters routeParameters;
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std::stringstream ss(( firstAmpPosition == std::string::npos ? "" : request.substr(firstAmpPosition+1) ));
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std::string item;
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while(std::getline(ss, item, '&')) {
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size_t found = item.find('=');
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if(found == std::string::npos) {
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routeParameters.parameters.push_back(item);
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} else {
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std::string p = item.substr(0, found);
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std::transform(p.begin(), p.end(), p.begin(), (int(*)(int)) std::tolower);
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std::string o = item.substr(found+1);
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if("jsonp" != p)
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std::transform(o.begin(), o.end(), o.begin(), (int(*)(int)) std::tolower);
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if("via" == p ) {
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if(25 >= routeParameters.viaPoints.size()) {
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routeParameters.viaPoints.push_back(o);
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}
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} else {
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routeParameters.options.Set(p, o);
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}
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}
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}
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// std::cout << "[debug] found handler for '" << command << "' at version: " << pluginMap.Find(command)->GetVersionString() << std::endl;
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// std::cout << "[debug] remaining parameters: " << parameters.size() << std::endl;
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rep.status = Reply::ok;
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_pluginVector[pluginMap.Find(command)]->HandleRequest(routeParameters, rep );
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// std::cout << rep.content << std::endl;
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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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} 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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