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sender.h
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sender.h
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/*
* network latency measurer
* Copyright (C) 2018 Ricardo Biehl Pasquali <pasqualirb@gmail.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 3 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 SENDER_H
#define SENDER_H
#include <stdint.h> /* uint64_t */
#include <time.h> /* struct timespec */
#include <netinet/in.h> /* struct sockaddr_in */
#include "send_history.h"
#ifdef WRITE_IN_SENDER
#include "result_buffer.h"
#endif
struct sender {
/* from main */
#ifdef WRITE_IN_SENDER
struct result_buffer *result_buffer;
#endif
struct send_history *send_history;
int sfd;
#ifdef SEND_COUNT
unsigned int send_count;
unsigned int max_latency;
#endif
struct sockaddr_in addr;
int tfd; /* timer fd */
/* sleep interval */
struct timespec sleep_interval;
/* number of packets to send per run */
unsigned int packet_count;
/* runtime information */
uint64_t current_id;
#ifdef SEND_COUNT
int exit_sender;
#endif
/* log */
uint64_t total_packets_sent;
};
#ifdef WRITE_IN_SENDER
int
sender_flush_send_history(struct sender *s);
#endif
int
sender_do_its_job(struct sender *s);
void
sender_timer_start(struct sender *s);
void
sender_cleanup(struct sender *s);
int
sender_setup(struct sender *s, unsigned int sleep_ms,
unsigned int packet_count);
#endif /* SENDER_H */