/*
 * Copyright (c) 2011, Peter Thorson. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the WebSocket++ Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */

#include "../../src/endpoint.hpp"
#include "../../src/roles/server.hpp"
#include "../../src/sockets/ssl.hpp"

#include "broadcast_server_handler.hpp"

#include <boost/date_time/posix_time/posix_time.hpp>

#include <cstring>
#include <set>

#include <sys/resource.h>

typedef websocketpp::endpoint<websocketpp::role::server,websocketpp::socket::plain> plain_endpoint_type;
typedef plain_endpoint_type::handler_ptr plain_handler_ptr;

typedef websocketpp::endpoint<websocketpp::role::server,websocketpp::socket::ssl> tls_endpoint_type;
typedef tls_endpoint_type::handler_ptr tls_handler_ptr;

int main(int argc, char* argv[]) {
	unsigned short port = 9002;
	bool tls = false;
    
    // 12288 is max OS X limit without changing kernal settings
    const rlim_t ideal_size = 100000;
    rlim_t old_size;
    
    struct rlimit rl;
    int result;
    
    result = getrlimit(RLIMIT_NOFILE, &rl);
    if (result == 0) {
        std::cout << "cur: " << rl.rlim_cur << " max: " << rl.rlim_max << std::endl;
        
        old_size = rl.rlim_cur;
        
        if (rl.rlim_cur < ideal_size) {
            rl.rlim_cur = ideal_size;
            //rl.rlim_cur = rl.rlim_max;
            result = setrlimit(RLIMIT_NOFILE, &rl);
            
            if (result != 0) {
                std::cout << "Unable to request an increase in the file descripter limit. This server will be limited to " << old_size << " concurrent connections. Error code: " << errno << std::endl;
            }
        }
    }
    
	if (argc == 2) {
		// TODO: input validation?
		port = atoi(argv[1]);
	}
	
	if (argc == 3) {
		// TODO: input validation?
		port = atoi(argv[1]);
		tls = !strcmp(argv[2],"-tls");
	}
	
	try {
		if (tls) {
			tls_handler_ptr h(new websocketpp::broadcast::server_handler<tls_endpoint_type>());
			tls_endpoint_type e(h);
			
			e.alog().unset_level(websocketpp::log::alevel::ALL);
			e.elog().set_level(websocketpp::log::elevel::ALL);
			
			std::cout << "Starting Secure WebSocket broadcast server on port " << port << std::endl;
			e.listen(port);
		} else {
			plain_handler_ptr h(new websocketpp::broadcast::server_handler<plain_endpoint_type>());
			plain_endpoint_type e(h);
			
			e.alog().set_level(websocketpp::log::alevel::ALL);
			e.elog().set_level(websocketpp::log::elevel::ALL);
			
			std::cout << "Starting WebSocket broadcast server on port " << port << std::endl;
			e.listen(port);
		}
	} catch (std::string e) {
		//std::cerr << "Exception: " << e.what() << std::endl;
		
	}
	
	return 0;
}