LCOV - code coverage report
Current view: top level - src - configuration.cc (source / functions) Hit Total Coverage
Test: coverage.info.cleaned Lines: 38 44 86.4 %
Date: 2015-01-12 15:17:13 Functions: 4 4 100.0 %
Branches: 18 30 60.0 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
       2                 :            : /*
       3                 :            :  *     Copyright 2010 Couchbase, Inc
       4                 :            :  *
       5                 :            :  *   Licensed under the Apache License, Version 2.0 (the "License");
       6                 :            :  *   you may not use this file except in compliance with the License.
       7                 :            :  *   You may obtain a copy of the License at
       8                 :            :  *
       9                 :            :  *       http://www.apache.org/licenses/LICENSE-2.0
      10                 :            :  *
      11                 :            :  *   Unless required by applicable law or agreed to in writing, software
      12                 :            :  *   distributed under the License is distributed on an "AS IS" BASIS,
      13                 :            :  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      14                 :            :  *   See the License for the specific language governing permissions and
      15                 :            :  *   limitations under the License.
      16                 :            :  */
      17                 :            : 
      18                 :            : #include <stdint.h>
      19                 :            : #include <string.h>
      20                 :            : #include <assert.h>
      21                 :            : 
      22                 :            : #include "configuration.h"
      23                 :            : 
      24                 :            : 
      25                 :        123 : fdb_config get_default_config(void) {
      26                 :            :     fdb_config fconfig;
      27                 :            : 
      28                 :        123 :     fconfig.chunksize = sizeof(uint64_t);
      29                 :            :     // 4KB by default.
      30                 :        123 :     fconfig.blocksize = FDB_BLOCKSIZE;
      31                 :            :     // 128MB by default.
      32                 :        123 :     fconfig.buffercache_size = 134217728;
      33                 :            :     // 4096 WAL entries by default.
      34                 :        123 :     fconfig.wal_threshold = 4096;
      35                 :        123 :     fconfig.wal_flush_before_commit = true;
      36                 :        123 :     fconfig.auto_commit = false;
      37                 :            :     // 0 second by default.
      38                 :        123 :     fconfig.purging_interval = 0;
      39                 :            :     // Use a seq btree by default.
      40                 :        123 :     fconfig.seqtree_opt = FDB_SEQTREE_USE;
      41                 :            :     // Use a synchronous commit by default.
      42                 :        123 :     fconfig.durability_opt = FDB_DRB_NONE;
      43                 :        123 :     fconfig.flags = FDB_OPEN_FLAG_CREATE;
      44                 :            :     // 4MB by default.
      45                 :        123 :     fconfig.compaction_buf_maxsize = FDB_COMP_BUF_MAXSIZE;
      46                 :            :     // Clean up cache entries when a file is closed.
      47                 :        123 :     fconfig.cleanup_cache_onclose = true;
      48                 :            :     // Compress the body of documents using snappy.
      49                 :        123 :     fconfig.compress_document_body = false;
      50                 :            :     // Auto compaction is disabled by default
      51                 :        123 :     fconfig.compaction_mode = FDB_COMPACTION_MANUAL;
      52                 :            :     // Compaction threshold, 30% by default
      53                 :        123 :     fconfig.compaction_threshold = FDB_DEFAULT_COMPACTION_THRESHOLD;
      54                 :        123 :     fconfig.compaction_minimum_filesize = 1048576; // 1MB by default
      55                 :            :     // 15 seconds by default
      56                 :        123 :     fconfig.compactor_sleep_duration = FDB_COMPACTOR_SLEEP_DURATION;
      57                 :            :     // Disable supporting multiple KV instances by default
      58                 :        123 :     fconfig.multi_kv_instances = true;
      59                 :            :     // 30 seconds by default
      60                 :        123 :     fconfig.prefetch_duration = 30;
      61                 :            : 
      62                 :        123 :     return fconfig;
      63                 :            : }
      64                 :            : 
      65                 :        439 : fdb_kvs_config get_default_kvs_config(void) {
      66                 :            :     fdb_kvs_config kvs_config;
      67                 :            : 
      68                 :            :     // create an empty KV store if it doesn't exist.
      69                 :        439 :     kvs_config.create_if_missing = true;
      70                 :            :     // lexicographical key order by default
      71                 :        439 :     kvs_config.custom_cmp = NULL;
      72                 :            : 
      73                 :        439 :     return kvs_config;
      74                 :            : }
      75                 :            : 
      76                 :        561 : bool validate_fdb_config(fdb_config *fconfig) {
      77         [ -  + ]:        561 :     assert(fconfig);
      78                 :            : 
      79 [ +  - ][ -  + ]:        561 :     if (fconfig->chunksize < 4 || fconfig->chunksize > 64) {
      80                 :            :         // Chunk size should be set between 4 and 64 bytes.
      81                 :          0 :         return false;
      82                 :            :     }
      83 [ +  - ][ -  + ]:        561 :     if (fconfig->blocksize < 1024 || fconfig->blocksize > 131072) {
      84                 :            :         // Block size should be set between 1KB and 128KB
      85                 :          0 :         return false;
      86                 :            :     }
      87 [ +  + ][ -  + ]:        561 :     if (fconfig->seqtree_opt != FDB_SEQTREE_NOT_USE &&
      88                 :            :         fconfig->seqtree_opt != FDB_SEQTREE_USE) {
      89                 :          0 :         return false;
      90                 :            :     }
      91 [ +  + ][ +  - ]:        561 :     if (fconfig->durability_opt != FDB_DRB_NONE &&
         [ -  + ][ #  # ]
      92                 :            :         fconfig->durability_opt != FDB_DRB_ODIRECT &&
      93                 :            :         fconfig->durability_opt != FDB_DRB_ASYNC &&
      94                 :            :         fconfig->durability_opt != FDB_DRB_ODIRECT_ASYNC) {
      95                 :          0 :         return false;
      96                 :            :     }
      97 [ +  + ][ +  + ]:        561 :     if ((fconfig->flags & FDB_OPEN_FLAG_CREATE) &&
      98                 :            :         (fconfig->flags & FDB_OPEN_FLAG_RDONLY)) {
      99                 :          1 :         return false;
     100                 :            :     }
     101         [ -  + ]:        560 :     if (fconfig->compaction_threshold > 100) {
     102                 :            :         // Compaction threshold should be equal or less then 100 (%).
     103                 :          0 :         return false;
     104                 :            :     }
     105         [ -  + ]:        560 :     if (fconfig->compactor_sleep_duration == 0) {
     106                 :            :         // Sleep duration should be larger than zero
     107                 :          0 :         return false;
     108                 :            :     }
     109                 :            : 
     110                 :        561 :     return true;
     111                 :            : }
     112                 :            : 
     113                 :        394 : bool validate_fdb_kvs_config(fdb_kvs_config *kvs_config) {
     114                 :        394 :     return true;
     115                 :            : }
     116                 :            : 

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