diff options
Diffstat (limited to 'src/cfg_utils.c')
| -rw-r--r-- | src/cfg_utils.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/cfg_utils.c b/src/cfg_utils.c index d2f75e11c..18677a1ca 100644 --- a/src/cfg_utils.c +++ b/src/cfg_utils.c @@ -230,6 +230,9 @@ free_config (struct config_file *cfg) g_hash_table_remove_all (cfg->cfg_params); g_hash_table_unref (cfg->cfg_params); g_hash_table_destroy (cfg->classifiers_symbols); + if (cfg->checksum) { + g_free (cfg->checksum); + } g_list_free (cfg->classifiers); g_list_free (cfg->metrics_list); memory_pool_delete (cfg->cfg_pool); @@ -499,6 +502,37 @@ fill_cfg_params (struct config_file *cfg) } +gboolean +get_config_checksum (struct config_file *cfg) +{ + int fd; + void *map; + struct stat st; + + /* Compute checksum for config file that should be used by xml dumper */ + if ((fd = open (cfg->cfg_name, O_RDONLY)) == -1) { + msg_err ("config file %s is no longer available, cannot calculate checksum"); + return FALSE; + } + if (stat (cfg->cfg_name, &st) == -1) { + msg_err ("cannot stat %s: %s", cfg->cfg_name, strerror (errno)); + return FALSE; + } + + /* Now mmap this file to simplify reading process */ + if ((map = mmap (NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) { + msg_err ("cannot mmap %s: %s", cfg->cfg_name, strerror (errno)); + close (fd); + return FALSE; + } + close (fd); + + /* Get checksum for a file */ + cfg->checksum = g_compute_checksum_for_string (G_CHECKSUM_MD5, map, st.st_size); + munmap (map, st.st_size); + + return TRUE; +} /* * Perform post load actions */ @@ -539,7 +573,7 @@ post_load_config (struct config_file *cfg) cfg->metrics_list = g_list_prepend (cfg->metrics_list, def_metric); g_hash_table_insert (cfg->metrics, DEFAULT_METRIC, def_metric); } - + } |