From 071535f5d7aa811647ed359fab431c17c9c5e2a0 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 21 Dec 2023 09:44:02 +0000
Subject:  Remove unused caches/ subdir

 dcache is moved to shibari.

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/caches/dcache_load.c | 81 ------------------------------------------------
 1 file changed, 81 deletions(-)
 delete mode 100644 src/caches/dcache_load.c

(limited to 'src/caches/dcache_load.c')

diff --git a/src/caches/dcache_load.c b/src/caches/dcache_load.c
deleted file mode 100644
index 71d38e0..0000000
--- a/src/caches/dcache_load.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/* ISC license. */
-
-#include <stdint.h>
-#include <string.h>
-#include <errno.h>
-
-#include <skalibs/posixishard.h>
-#include <skalibs/uint16.h>
-#include <skalibs/uint64.h>
-#include <skalibs/buffer.h>
-#include <skalibs/tai.h>
-#include <skalibs/djbunix.h>
-
-#include <s6-dns/dcache.h>
-
-static inline int dcache_load_node (dcache_t *z, uint64_t max, buffer *b)
-{
-  tain entry = { .nano = 0 } ;
-  tain expire = { .nano = 0 } ;
-  uint16_t keylen ;
-  uint16_t datalen ;
-  char pack[TAI_PACK * 2 + 4] ;
-  ssize_t r = buffer_get(b, pack, TAI_PACK * 2 + 4) ;
-  if (!r) return 0 ;
-  if (r < TAI_PACK * 2 + 4) return -1 ;
-  tai_unpack(pack, tain_secp(&entry)) ;
-  tai_unpack(pack + TAI_PACK, tain_secp(&expire)) ;
-  uint16_unpack_big(pack + TAI_PACK * 2, &keylen) ;
-  uint16_unpack_big(pack + TAI_PACK * 2 + 2, &datalen) ;
-  {
-    uint32_t len = (uint32_t)keylen + (uint32_t)datalen ;
-    char blob[len+1] ;  /* 128 kB max, it's ok */ 
-    r = buffer_get(b, blob, len+1) ;
-    if (!r) return (errno = EPIPE, -1) ;
-    if (r < len) return -1 ;
-    if (blob[len]) return (errno = EPROTO, -1) ;
-    if (!dcache_add(z, max, blob, keylen, blob + keylen, datalen, &expire, &entry)) return -1 ;
-  }
-  return 1 ;
-}
-
-static inline int dcache_load_from_buffer (dcache_t *z, uint64_t max, buffer *b)
-{
-  {
-    char banner[sizeof(DCACHE_MAGIC) - 1] ;
-    char pack[8] ;
-    if (buffer_get(b, banner, sizeof(DCACHE_MAGIC) - 1) < sizeof(DCACHE_MAGIC) - 1)
-      return 0 ;
-    if (memcmp(banner, DCACHE_MAGIC, sizeof(DCACHE_MAGIC) - 1)) return 0 ;
-    if (buffer_get(b, pack, 8) < 8) return 0 ;
-    uint64_unpack_big(pack, &z->size) ;
-    if (buffer_get(b, pack, 8) < 8) return 0 ;
-    uint64_unpack_big(pack, &z->motion) ;
-  }
-  for (;;)
-  {
-    int r = dcache_load_node(z, max, b) ;
-    if (r < 0) return 0 ;
-    if (!r) break ;
-  }
-  return 1 ;
-}
-
-#define N 8192
-
-int dcache_load (dcache_t *z, uint64_t max, char const *file)
-{
-  char buf[N] ;
-  buffer b ;
-  int fd = open_readb(file) ;
-  if (fd == -1) return 0 ;
-  buffer_init(&b, &buffer_read, fd, buf, N) ;
-  if (!dcache_load_from_buffer(z, max, &b)) goto err ;
-  fd_close(fd) ;
-  return 1 ;
-
- err:
-  dcache_free(z) ;
-  fd_close(fd) ;
-  return 0 ;
-}
-- 
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