/*
* Copyright (C) 2010 Miroslav Lichvar <mlichvar@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef NETWORK_H
#define NETWORK_H
#include <vector>
#include <deque>
using namespace std;
#include "node.h"
#include "stats.h"
struct Packet {
double receive_time;
double delay;
int broadcast;
unsigned int subnet;
unsigned int from;
unsigned int to;
unsigned int src_port;
unsigned int dst_port;
unsigned int len;
char data[MAX_PACKET_SIZE];
};
class Packet_queue {
deque<Packet *> queue;
public:
Packet_queue();
~Packet_queue();
void insert(struct Packet *packet);
struct Packet *dequeue();
double get_timeout(double time) const;
};
class Network {
double time;
unsigned int subnets;
unsigned int update_rate;
unsigned int update_count;
const char *socket_name;
vector<Node *> nodes;
vector<Generator *> link_delays;
vector<Stats> stats;
Generator_variables link_delay_variables;
Packet_queue packet_queue;
FILE *offset_log;
FILE *freq_log;
FILE *rawfreq_log;
FILE *packet_log;
void update();
void update_clock_stats();
public:
Network(const char *socket, unsigned int n, unsigned int s, unsigned int rate);
~Network();
bool prepare_clients();
Node *get_node(unsigned int node);
void set_link_delay_generator(unsigned int from, unsigned int to, Generator *generator);
bool run(double time_limit);
void open_offset_log(const char *log);
void open_freq_log(const char *log);
void open_rawfreq_log(const char *log);
void open_packet_log(const char *log);
void print_stats(int verbosity) const;
void reset_stats();
void reset_clock_stats();
void send(struct Packet *packet);
double get_time() const;
unsigned int get_subnets() const;
};
#endif