63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
#include <errno.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "version_gen.h"
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#include "icmp.h"
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#include "internal/ping/output.h"
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#include "internal/ping/scheduler.h"
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#include "ping/ft_ping_const.h"
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#include "ping/ft_ping_flags.h"
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/* Forward declarations */
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static inline void fill_payload(uint8_t *payload, size_t payload_len);
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static int ping_send_one(struct ping_state *state, size_t payload_len);
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/* -------------------- */
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void
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do_send(struct ping_state *state, size_t payload_len)
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{
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state->send_flag = 0;
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if (0 != ping_send_one(state, payload_len))
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dprintf(STDERR_FILENO, "%s: %s\n",
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g_prog_name, icmp_strerror(state->handle));
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if (HAS_FLAG(state->config->flags, FLAG_FLOOD))
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ping_output_flood_dot();
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if (0 != ping_scheduler_arm(state->config))
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{
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dprintf(STDERR_FILENO, "%s: setitimer: %s\n",
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g_prog_name, strerror(errno));
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state->stop_flag = 1;
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}
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}
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static int
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ping_send_one(struct ping_state *state, size_t payload_len)
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{
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struct timespec ts;
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uint8_t payload[MAX_PACKET_SIZE];
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uint16_t seq;
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fill_payload(payload, payload_len);
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if (0 != icmp_get_time(&ts))
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return -1;
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seq = state->seq++;
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if (0 != icmp_send_echo(state->handle,
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state->dest,
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state->id,
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seq,
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state->config->ttl,
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payload, payload_len))
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return -1;
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ping_tracker_record_send(state->tracker, seq, &ts);
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return 0;
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}
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static inline void
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fill_payload(uint8_t *payload, size_t payload_len)
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{
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for (size_t i = 0; i < payload_len; ++i)
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payload[i] = (uint8_t)('a' + (i % 26));
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}
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