54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#ifndef BYTE_QUEUE_INCLUDED
|
|
#define BYTE_QUEUE_INCLUDED
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "basic.h"
|
|
|
|
typedef struct {
|
|
uint8_t *ptr;
|
|
size_t len;
|
|
} ByteView;
|
|
|
|
typedef struct {
|
|
uint64_t curs;
|
|
uint8_t* data;
|
|
uint32_t head;
|
|
uint32_t size;
|
|
uint32_t used;
|
|
uint32_t limit;
|
|
uint8_t* read_target;
|
|
uint32_t read_target_size;
|
|
int flags;
|
|
} ByteQueue;
|
|
|
|
typedef uint64_t ByteQueueOffset;
|
|
|
|
enum {
|
|
BYTE_QUEUE_ERROR = 1 << 0,
|
|
BYTE_QUEUE_READ = 1 << 1,
|
|
BYTE_QUEUE_WRITE = 1 << 2,
|
|
};
|
|
|
|
void byte_queue_init(ByteQueue *queue, uint32_t limit);
|
|
void byte_queue_free(ByteQueue *queue);
|
|
|
|
int byte_queue_error(ByteQueue *queue);
|
|
int byte_queue_empty(ByteQueue *queue);
|
|
int byte_queue_full(ByteQueue *queue);
|
|
|
|
ByteView byte_queue_read_buf(ByteQueue *queue);
|
|
void byte_queue_read_ack(ByteQueue *queue, uint32_t num);
|
|
|
|
ByteView byte_queue_write_buf(ByteQueue *queue);
|
|
void byte_queue_write_ack(ByteQueue *queue, uint32_t num);
|
|
int byte_queue_write_setmincap(ByteQueue *queue, uint32_t mincap);
|
|
void byte_queue_write(ByteQueue *queue, void *ptr, uint32_t len);
|
|
|
|
ByteQueueOffset byte_queue_offset(ByteQueue *queue);
|
|
void byte_queue_patch(ByteQueue *queue, ByteQueueOffset off, void *src, uint32_t len);
|
|
uint32_t byte_queue_size_from_offset(ByteQueue *queue, ByteQueueOffset off);
|
|
void byte_queue_remove_from_offset(ByteQueue *queue, ByteQueueOffset offset);
|
|
|
|
#endif // BYTE_QUEUE_INCLUDED
|