90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
#pragma once
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#include <assert.h>
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#include <stdint.h>
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#include <time.h>
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#include <netinet/in.h>
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#include "timer.h"
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#include "link.h"
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#define EVENT_TYPE__INVALID 0x00000000
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#define EVENT_TYPE__TIME_START 0x12858517
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#define EVENT_TYPE__TIME_RESUME 0x56100f0f
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#define EVENT_TYPE__TIME_STOP 0xdf75d3f8
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#define EVENT_TYPE__AVERAGE_RTT 0xc7065931
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#define EVENT_TYPE__PING 0x0ba0d4c2
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#define EVENT_TYPE__PONG 0x49a87c9d
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#define EVENT_TYPE__ACK 0xfde7959f
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static_assert((sizeof (struct timespec)) == 8 + 8);
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struct event {
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uint32_t type;
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uint32_t sequence;
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};
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struct packet_stopwatch {
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struct event event;
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struct stopwatch_time stopwatch_time;
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};
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static_assert((sizeof (struct packet_stopwatch)) ==
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(sizeof (struct event)) + (sizeof (struct stopwatch_time)));
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struct packet_start {
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struct event event;
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};
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static_assert((sizeof (struct packet_start)) == (sizeof (struct event)));
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struct packet_resume {
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struct event event;
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struct timespec offset;
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};
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static_assert((sizeof (struct packet_resume)) ==
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(sizeof (struct event)) + (sizeof (struct timespec)));
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struct packet_ack {
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struct event event;
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};
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static_assert((sizeof (struct packet_ack)) == (sizeof (struct event)));
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struct packet_average_rtt {
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struct event event;
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struct timespec offset;
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};
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static_assert((sizeof (struct packet_average_rtt)) == (sizeof (struct event)) + (sizeof (struct timespec)));
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struct packet_ping_pong {
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struct event event;
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struct timespec time;
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};
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int packet_send_ping(int sockfd,
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struct sockaddr_in6 * dest_addr);
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int packet_send_pong(int sockfd,
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struct sockaddr_in6 * dest_addr,
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struct timespec * time);
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int packet_send_average_rtt(int sockfd,
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struct sockaddr_in6 * dest_addr,
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struct timespec * offset);
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int packet_send_start_event(int sockfd,
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struct sockaddr_in6 * dest_addr,
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struct link_state * link_state);
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int packet_send_resume_event(int sockfd,
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struct sockaddr_in6 * dest_addr,
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struct timer_state * timer_state,
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struct link_state * link_state);
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int packet_send_stopwatch_event(int sockfd,
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struct sockaddr_in6 * dest_addr,
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struct timer_state * timer_state,
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struct link_state * link_state);
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int packet_send_ack(int sockfd,
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struct sockaddr_in6 * dest_addr,
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uint32_t sequence);
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