/*
 * packet.cpp
 *
 * Simulation of Chandy-Lamport algorithm
 *
 * This file is a part of Distributed Systems term thesis
 * Department KIV, ZCU Plzen
 * Author: Martin Sloup, msloup@students.zcu.cz
 */

#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <cstdio>
#include "packet.h"
#include "server.h"
#include "util.h"

void packet_send(int c, char operation, long value) {
	packet p;

	p.branch_id = htonl(branch_id);
	p.operation = operation;
	p.value = htonl(value);

	struct timeval send_at;

	// prepare packet send time because statistics
	gettimeofday(&send_at, NULL);
	p.send_at_sec = htonl(send_at.tv_sec);
	p.send_at_usec = htonl(send_at.tv_usec);

	if (send(c, &p, sizeof(packet), MSG_DONTWAIT) < 0) {
		fatal("Error occurs while sending packet");
	}
}

void packet_send_at(struct timeval *send_at, packet *p) {
	send_at->tv_sec = ntohl(p->send_at_sec);
	send_at->tv_usec = ntohl(p->send_at_usec);
}