29 lines
762 B
C
29 lines
762 B
C
#pragma once
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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// 1500 = internet MTU
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#define RING_BUFFER_SIZE 1500*10
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struct ring_buffer {
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char buffer[RING_BUFFER_SIZE];
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int head;
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int tail;
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};
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int ring_buffer_read(struct ring_buffer* rb, char* dest, int size);
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void ring_buffer_ack_read(struct ring_buffer* rb, int size);
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int ring_buffer_write(struct ring_buffer* rb, char* source, int size);
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int ring_buffer_free_space(struct ring_buffer* rb);
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int ring_buffer_used_space(struct ring_buffer* rb);
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int ring_gt(uint16_t v1, uint16_t v2);
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int ring_ge(uint16_t v1, uint16_t v2);
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int ring_lt(uint16_t v1, uint16_t v2);
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int ring_le(uint16_t v1, uint16_t v2);
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uint64_t elapsed_micros(struct timespec* t1, struct timespec* t2);
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