quick-test.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "kerncompat.h"
   4 #include "radix-tree.h"
   5 #include "ctree.h"
   6 #include "disk-io.h"
   7 #include "print-tree.h"
   8
   9 /* for testing only */
  10 int next_key(int i, int max_key) {
  11         return rand() % max_key;
  12         //return i;
  13 }
  14
  15 int main(int ac, char **av) {
  16         struct key ins;
  17         struct key last = { (u64)-1, 0, 0};
  18         char *buf;
  19         int i;
  20         int num;
  21         int ret;
  22         int run_size = 100000;
  23         int max_key =  100000000;
  24         int tree_size = 0;
  25         struct ctree_path path;
  26         struct ctree_super_block super;
  27         struct ctree_root *root;
  28
  29         radix_tree_init();
  30
  31         root = open_ctree("dbfile", &super);
  32         srand(55);
  33         for (i = 0; i < run_size; i++) {
  34                 buf = malloc(64);
  35                 num = next_key(i, max_key);
  36                 // num = i;
  37                 sprintf(buf, "string-%d", num);
  38                 if (i % 10000 == 0)
  39                         fprintf(stderr, "insert %d:%d\n", num, i);
  40                 ins.objectid = num;
  41                 ins.offset = 0;
  42                 ins.flags = 0;
  43                 ret = insert_item(root, &ins, buf, strlen(buf));
  44                 if (!ret)
  45                         tree_size++;
  46                 free(buf);
  47
  48         }
  49         close_ctree(root, &super);
  50
  51         root = open_ctree("dbfile", &super);
  52         printf("starting search\n");
  53         srand(55);
  54         for (i = 0; i < run_size; i++) {
  55                 num = next_key(i, max_key);
  56                 ins.objectid = num;
  57                 init_path(&path);
  58                 if (i % 10000 == 0)
  59                         fprintf(stderr, "search %d:%d\n", num, i);
  60                 ret = search_slot(root, &ins, &path, 0, 0);
  61                 if (ret) {
  62                         print_tree(root, root->node);
  63                         printf("unable to find %d\n", num);
  64                         exit(1);
  65                 }
  66                 release_path(root, &path);
  67         }
  68         close_ctree(root, &super);
  69         root = open_ctree("dbfile", &super);
  70         printf("node %p level %d total ptrs %d free spc %lu\n", root->node,
  71                 node_level(root->node->node.header.flags),
  72                 root->node->node.header.nritems,
  73                 NODEPTRS_PER_BLOCK - root->node->node.header.nritems);
  74         printf("all searches good, deleting some items\n");
  75         i = 0;
  76         srand(55);
  77         for (i = 0 ; i < run_size/4; i++) {
  78                 num = next_key(i, max_key);
  79                 ins.objectid = num;
  80                 init_path(&path);
  81                 ret = search_slot(root, &ins, &path, -1, 1);
  82                 if (!ret) {
  83                         if (i % 10000 == 0)
  84                                 fprintf(stderr, "del %d:%d\n", num, i);
  85                         ret = del_item(root, &path);
  86                         if (ret != 0)
  87                                 BUG();
  88                         tree_size--;
  89                 }
  90                 release_path(root, &path);
  91         }
  92         close_ctree(root, &super);
  93         root = open_ctree("dbfile", &super);
  94         srand(128);
  95         for (i = 0; i < run_size; i++) {
  96                 buf = malloc(64);
  97                 num = next_key(i, max_key);
  98                 sprintf(buf, "string-%d", num);
  99                 ins.objectid = num;
 100                 if (i % 10000 == 0)
 101                         fprintf(stderr, "insert %d:%d\n", num, i);
 102                 ret = insert_item(root, &ins, buf, strlen(buf));
 103                 if (!ret)
 104                         tree_size++;
 105                 free(buf);
 106         }
 107         close_ctree(root, &super);
 108         root = open_ctree("dbfile", &super);
 109         srand(128);
 110         printf("starting search2\n");
 111         for (i = 0; i < run_size; i++) {
 112                 num = next_key(i, max_key);
 113                 ins.objectid = num;
 114                 init_path(&path);
 115                 if (i % 10000 == 0)
 116                         fprintf(stderr, "search %d:%d\n", num, i);
 117                 ret = search_slot(root, &ins, &path, 0, 0);
 118                 if (ret) {
 119                         print_tree(root, root->node);
 120                         printf("unable to find %d\n", num);
 121                         exit(1);
 122                 }
 123                 release_path(root, &path);
 124         }
 125         printf("starting big long delete run\n");
 126         while(root->node && root->node->node.header.nritems > 0) {
 127                 struct leaf *leaf;
 128                 int slot;
 129                 ins.objectid = (u64)-1;
 130                 init_path(&path);
 131                 ret = search_slot(root, &ins, &path, -1, 1);
 132                 if (ret == 0)
 133                         BUG();
 134
 135                 leaf = &path.nodes[0]->leaf;
 136                 slot = path.slots[0];
 137                 if (slot != leaf->header.nritems)
 138                         BUG();
 139                 while(path.slots[0] > 0) {
 140                         path.slots[0] -= 1;
 141                         slot = path.slots[0];
 142                         leaf = &path.nodes[0]->leaf;
 143
 144                         memcpy(&last, &leaf->items[slot].key, sizeof(last));
 145                         if (tree_size % 10000 == 0)
 146                                 printf("big del %d:%d\n", tree_size, i);
 147                         ret = del_item(root, &path);
 148                         if (ret != 0) {
 149                                 printf("del_item returned %d\n", ret);
 150                                 BUG();
 151                         }
 152                         tree_size--;
 153                 }
 154                 release_path(root, &path);
 155         }
 156         /*
 157         printf("previous tree:\n");
 158         print_tree(root, root->commit_root);
 159         printf("map before commit\n");
 160         print_tree(root->extent_root, root->extent_root->node);
 161         */
 162         commit_transaction(root, &super);
 163         printf("tree size is now %d\n", tree_size);
 164         printf("root %p commit root %p\n", root->node, root->commit_root);
 165         printf("map tree\n");
 166         print_tree(root->extent_root, root->extent_root->node);
 167         close_ctree(root, &super);
 168         return 0;
 169 }