57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
#ifndef BACKEND_H
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#define BACKEND_H
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#include <stddef.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include <zlib.h>
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#include "serial.h"
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#include "tftp.h"
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/* Backend flags */
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#define BE_NEEDLEN 0x01
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struct upload_backend {
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const char *name;
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const char *helpmsg;
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int minargs;
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size_t dbytes;
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size_t zbytes;
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const char **argv;
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uint32_t now;
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int (*write)(struct upload_backend *);
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z_stream zstream;
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char *outbuf;
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size_t alloc;
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};
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/* zout.c */
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int init_data(struct upload_backend *be, const char *argv[]);
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int write_data(struct upload_backend *be, const void *buf, size_t len);
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int flush_data(struct upload_backend *be);
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/* cpio.c */
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#define cpio_init init_data
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int cpio_hdr(struct upload_backend *be, uint32_t mode, size_t datalen,
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const char *filename);
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int cpio_mkdir(struct upload_backend *be, const char *filename);
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int cpio_writefile(struct upload_backend *be, const char *filename,
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const void *data, size_t len);
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int cpio_close(struct upload_backend *be);
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#define MODE_FILE 0100644
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#define MODE_DIR 0040755
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/* backends.c */
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struct upload_backend *get_upload_backend(const char *name);
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/* backends */
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extern struct upload_backend upload_tftp;
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extern struct upload_backend upload_ymodem;
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extern struct upload_backend upload_srec;
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#endif /* BACKEND_H */
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