com32/libupload/upload_backend.h

   1 #ifndef BACKEND_H
   2 #define BACKEND_H
   3
   4 #include <stddef.h>
   5 #include <inttypes.h>
   6 #include <stdbool.h>
   7 #include <zlib.h>
   8 #include "serial.h"
   9 #include "tftp.h"
  10
  11 /* Backend flags */
  12 #define BE_NEEDLEN      0x01
  13
  14 struct upload_backend {
  15     const char *name;
  16     const char *helpmsg;
  17     int minargs;
  18
  19     size_t dbytes;
  20     size_t zbytes;
  21     const char **argv;
  22
  23     uint32_t now;
  24
  25     int (*write)(struct upload_backend *);
  26
  27     z_stream zstream;
  28     char *outbuf;
  29     size_t alloc;
  30 };
  31
  32 /* zout.c */
  33 int init_data(struct upload_backend *be, const char *argv[]);
  34 int write_data(struct upload_backend *be, const void *buf, size_t len);
  35 int flush_data(struct upload_backend *be);
  36
  37 /* cpio.c */
  38 #define cpio_init init_data
  39 int cpio_hdr(struct upload_backend *be, uint32_t mode, size_t datalen,
  40              const char *filename);
  41 int cpio_mkdir(struct upload_backend *be, const char *filename);
  42 int cpio_writefile(struct upload_backend *be, const char *filename,
  43                    const void *data, size_t len);
  44 int cpio_close(struct upload_backend *be);
  45 #define MODE_FILE       0100644
  46 #define MODE_DIR        0040755
  47
  48 /* backends.c */
  49 struct upload_backend *get_upload_backend(const char *name);
  50
  51 /* backends */
  52 extern struct upload_backend upload_tftp;
  53 extern struct upload_backend upload_ymodem;
  54 extern struct upload_backend upload_srec;
  55
  56 #endif /* BACKEND_H */