1 

     2 #include "cache.h"

     3 #include "common.h"

     4 

     5 enum cache_req_mode {

     6     REQ_GET,

     7     REQ_PUT,

     8 };

     9 

    10 struct cache_req {

    11     struct cache_op *op;

    12     

    13     off_t offset;

    14 

    15 };

    16 

    17 int cache_req_start (struct cache_req *ctx, struct cache *cache_info, u_int8_t key[CACHE_KEY_SIZE]) {

    18     // clear state

    19     memset(ctx, 0, sizeof(*ctx));

    20     

    21     // get the op

    22     if (_cache_op_get(&ctx->op, cache_info, key))

    23         goto error;

    24 

    25     

    26 }

    27 

    28 int cache_req_read_fd (struct cache_req *ctx, int fd) {

    29     return cache_op_read_fd(ctx->op, fd, ctx->offset);

    30 }

    31 

    32 int cache_req_write_fd (struct cache_req *ctx, int fd) {

    33     return cache_op_write_fd(ctx->op, fd, ctx->offset);

    34 }

    35