📄 httpstimeserver.cpp.svn-base
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//
// TimeServer.cpp
//
// $Id: //poco/1.3/NetSSL_OpenSSL/samples/HTTPSTimeServer/src/HTTPSTimeServer.cpp#1 $
//
// This sample demonstrates the HTTPServer and related classes.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include "Poco/Net/HTTPServer.h"
#include "Poco/Net/HTTPRequestHandler.h"
#include "Poco/Net/HTTPRequestHandlerFactory.h"
#include "Poco/Net/HTTPServerParams.h"
#include "Poco/Net/HTTPServerRequest.h"
#include "Poco/Net/HTTPServerResponse.h"
#include "Poco/Net/HTTPServerParams.h"
#include "Poco/Net/SecureServerSocket.h"
#include "Poco/Timestamp.h"
#include "Poco/DateTimeFormatter.h"
#include "Poco/DateTimeFormat.h"
#include "Poco/Exception.h"
#include "Poco/SharedPtr.h"
#include "Poco/Util/ServerApplication.h"
#include "Poco/Util/Option.h"
#include "Poco/Util/OptionSet.h"
#include "Poco/Util/HelpFormatter.h"
#include "Poco/Net/SSLManager.h"
#include "Poco/Net/KeyConsoleHandler.h"
#include "Poco/Net/AcceptCertificateHandler.h"
#include <iostream>
using Poco::Net::SecureServerSocket;
using Poco::Net::HTTPRequestHandler;
using Poco::Net::HTTPRequestHandlerFactory;
using Poco::Net::HTTPServer;
using Poco::Net::HTTPServerRequest;
using Poco::Net::HTTPServerResponse;
using Poco::Net::HTTPServerParams;
using Poco::Timestamp;
using Poco::DateTimeFormatter;
using Poco::DateTimeFormat;
using Poco::SharedPtr;
using Poco::Util::ServerApplication;
using Poco::Util::Application;
using Poco::Util::Option;
using Poco::Util::OptionSet;
using Poco::Util::HelpFormatter;
using Poco::Net::SSLManager;
using Poco::Net::Context;
using Poco::Net::KeyConsoleHandler;
using Poco::Net::PrivateKeyPassphraseHandler;
using Poco::Net::InvalidCertificateHandler;
using Poco::Net::AcceptCertificateHandler;
class TimeRequestHandler: public HTTPRequestHandler
/// Return a HTML document with the current date and time.
{
public:
TimeRequestHandler(const std::string& format):
_format(format)
{
}
void handleRequest(HTTPServerRequest& request, HTTPServerResponse& response)
{
Application& app = Application::instance();
app.logger().information("Request from " + request.clientAddress().toString());
Timestamp now;
std::string dt(DateTimeFormatter::format(now, _format));
response.setChunkedTransferEncoding(true);
response.setContentType("text/html");
std::ostream& ostr = response.send();
ostr << "<html><head><title>HTTPTimeServer powered by C++ Portable Components</title>";
ostr << "<meta http-equiv=\"refresh\" content=\"1\"></head>";
ostr << "<body><p style=\"text-align: center; font-size: 48px;\">";
ostr << dt;
ostr << "</p></body></html>";
}
private:
std::string _format;
};
class TimeRequestHandlerFactory: public HTTPRequestHandlerFactory
{
public:
TimeRequestHandlerFactory(const std::string& format):
_format(format)
{
}
HTTPRequestHandler* createRequestHandler(const HTTPServerRequest& request)
{
if (request.getURI() == "/")
return new TimeRequestHandler(_format);
else
return 0;
}
private:
std::string _format;
};
class HTTPSTimeServer: public Poco::Util::ServerApplication
/// The main application class.
///
/// This class handles command-line arguments and
/// configuration files.
/// Start the HTTPTimeServer executable with the help
/// option (/help on Windows, --help on Unix) for
/// the available command line options.
///
/// To use the sample configuration file (HTTPTimeServer.properties),
/// copy the file to the directory where the HTTPTimeServer executable
/// resides. If you start the debug version of the HTTPTimeServer
/// (HTTPTimeServerd[.exe]), you must also create a copy of the configuration
/// file named HTTPTimeServerd.properties. In the configuration file, you
/// can specify the port on which the server is listening (default
/// 9980) and the format of the date/time string sent back to the client.
///
/// To test the TimeServer you can use any web browser (https://localhost:9980/).
{
public:
HTTPSTimeServer(): _helpRequested(false)
{
}
~HTTPSTimeServer()
{
}
protected:
void initialize(Application& self)
{
loadConfiguration(); // load default configuration files, if present
ServerApplication::initialize(self);
}
void uninitialize()
{
ServerApplication::uninitialize();
}
void defineOptions(OptionSet& options)
{
ServerApplication::defineOptions(options);
options.addOption(
Option("help", "h", "display help information on command line arguments")
.required(false)
.repeatable(false));
}
void handleOption(const std::string& name, const std::string& value)
{
ServerApplication::handleOption(name, value);
if (name == "help")
_helpRequested = true;
}
void displayHelp()
{
HelpFormatter helpFormatter(options());
helpFormatter.setCommand(commandName());
helpFormatter.setUsage("OPTIONS");
helpFormatter.setHeader("A web server that serves the current date and time.");
helpFormatter.format(std::cout);
}
int main(const std::vector<std::string>& args)
{
if (_helpRequested)
{
displayHelp();
}
else
{
// get parameters from configuration file
unsigned short port = (unsigned short) config().getInt("HTTPTimeServer.port", 9980);
std::string format(config().getString("HTTPTimeServer.format", DateTimeFormat::SORTABLE_FORMAT));
// set-up a server socket
SecureServerSocket svs(port);
// set-up a HTTPServer instance
HTTPServer srv(new TimeRequestHandlerFactory(format), svs, new HTTPServerParams);
// start the HTTPServer
srv.start();
// wait for CTRL-C or kill
waitForTerminationRequest();
// Stop the HTTPServer
srv.stop();
}
return Application::EXIT_OK;
}
private:
bool _helpRequested;
};
int main(int argc, char** argv)
{
HTTPSTimeServer app;
return app.run(argc, argv);
}
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