embedaddon/lighttpd/src/chunk.h - diff

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Diff for /embedaddon/lighttpd/src/chunk.h between versions 1.1 and 1.1.1.2

version 1.1, 2013/10/14 10:32:48	version 1.1.1.2, 2016/11/02 10:35:00
Line 1	Line 1
#ifndef _CHUNK_H_	#ifndef _CHUNK_H_
#define _CHUNK_H_	#define _CHUNK_H_
	#include "first.h"

#include "buffer.h"	#include "buffer.h"
#include "array.h"	#include "array.h"
#include "sys-mmap.h"

typedef struct chunk {	typedef struct chunk {
enum { UNUSED_CHUNK, MEM_CHUNK, FILE_CHUNK } type;	enum { MEM_CHUNK, FILE_CHUNK } type;

buffer mem; / either the storage of the mem-chunk or the read-ahead buffer */	buffer mem; / either the storage of the mem-chunk or the read-ahead buffer */

Line 26 typedef struct chunk {	Line 26 typedef struct chunk {
int is_temp; /* file is temporary and will be deleted if on cleanup */	int is_temp; /* file is temporary and will be deleted if on cleanup */
} file;	} file;

off_t offset; /* octets sent from this chunk	/* the size of the chunk is either:
the size of the chunk is either	* - mem-chunk: buffer_string_length(chunk::mem)
- mem-chunk: mem->used - 1	* - file-chunk: chunk::file.length
- file-chunk: file.length	*/
*/	off_t offset; /* octets sent from this chunk */

struct chunk *next;	struct chunk *next;
} chunk;	} chunk;
Line 42 typedef struct {	Line 42 typedef struct {
chunk *unused;	chunk *unused;
size_t unused_chunks;	size_t unused_chunks;

array *tempdirs;	off_t bytes_in, bytes_out;

off_t bytes_in, bytes_out;	array *tempdirs;
	unsigned int upload_temp_file_size;
	unsigned int tempdir_idx;
} chunkqueue;	} chunkqueue;

chunkqueue *chunkqueue_init(void);	chunkqueue *chunkqueue_init(void);
int chunkqueue_set_tempdirs(chunkqueue c, array tempdirs);	void chunkqueue_set_tempdirs_default (array *tempdirs, unsigned int upload_temp_file_size);
int chunkqueue_append_file(chunkqueue c, buffer fn, off_t offset, off_t len);	void chunkqueue_append_file(chunkqueue cq, buffer fn, off_t offset, off_t len); /* copies "fn" */
int chunkqueue_append_mem(chunkqueue c, const char mem, size_t len);	void chunkqueue_append_file_fd(chunkqueue cq, buffer fn, int fd, off_t offset, off_t len); /* copies "fn" */
int chunkqueue_append_buffer(chunkqueue c, buffer mem);	void chunkqueue_append_mem(chunkqueue cq, const char mem, size_t len); /* copies memory */
int chunkqueue_append_buffer_weak(chunkqueue c, buffer mem);	void chunkqueue_append_buffer(chunkqueue cq, buffer mem); /* may reset "mem" */
int chunkqueue_prepend_buffer(chunkqueue c, buffer mem);	void chunkqueue_prepend_buffer(chunkqueue cq, buffer mem); /* may reset "mem" */
	void chunkqueue_append_chunkqueue(chunkqueue cq, chunkqueue src);

buffer * chunkqueue_get_append_buffer(chunkqueue *c);	struct server; /(declaration)/
buffer * chunkqueue_get_prepend_buffer(chunkqueue *c);	int chunkqueue_append_mem_to_tempfile(struct server srv, chunkqueue cq, const char *mem, size_t len);
chunk * chunkqueue_get_append_tempfile(chunkqueue *cq);

int chunkqueue_remove_finished_chunks(chunkqueue *cq);	/* functions to handle buffers to read into: */
	/* return a pointer to a buffer in mem with size len;
	* it should be at least min_size big, and use alloc_size if
	* new memory is allocated.
	* modifying the chunkqueue invalidates the memory area.
	* should always be followed by chunkqueue_get_memory(),
	* even if nothing was read.
	* pass 0 for min_size/alloc_size for default values
	*/
	void chunkqueue_get_memory(chunkqueue cq, char mem, size_t len, size_t min_size, size_t alloc_size);
	/* append first len bytes of the memory queried with
	* chunkqueue_get_memory to the chunkqueue
	*/
	void chunkqueue_use_memory(chunkqueue *cq, size_t len);

off_t chunkqueue_length(chunkqueue *c);	/* mark first "len" bytes as written (incrementing chunk offsets)
off_t chunkqueue_written(chunkqueue *c);	* and remove finished chunks
void chunkqueue_free(chunkqueue *c);	*/
void chunkqueue_reset(chunkqueue *c);	void chunkqueue_mark_written(chunkqueue *cq, off_t len);

int chunkqueue_is_empty(chunkqueue *c);	void chunkqueue_remove_finished_chunks(chunkqueue *cq);

	void chunkqueue_steal(chunkqueue dest, chunkqueue src, off_t len);
	struct server;
	int chunkqueue_steal_with_tempfiles(struct server srv, chunkqueue dest, chunkqueue *src, off_t len);

	off_t chunkqueue_length(chunkqueue *cq);
	void chunkqueue_free(chunkqueue *cq);
	void chunkqueue_reset(chunkqueue *cq);

	int chunkqueue_is_empty(chunkqueue *cq);

#endif	#endif

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Removed from v.1.1
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	Added in v.1.1.1.2