int slabhash_is_size(struct slabhash* sl, size_t size, size_t slabs)
{
/* divide by slabs and then multiply by the number of slabs,
* because if the size is not an even multiple of slabs, the
* uneven amount needs to be removed for comparison */
if(!sl) return 0;
if(sl->size != slabs) return 0;
if(slabs == 0) return 0;
if( (size/slabs)*slabs == slabhash_get_size(sl))
return 1;
return 0;
}
struct infra_cache*
infra_adjust(struct infra_cache* infra, struct config_file* cfg)
{
size_t maxmem;
if(!infra)
return infra_create(cfg);
infra->host_ttl = cfg->host_ttl;
maxmem = cfg->infra_cache_numhosts * (sizeof(struct infra_key)+
sizeof(struct infra_data)+INFRA_BYTES_NAME);
if(maxmem != slabhash_get_size(infra->hosts) ||
cfg->infra_cache_slabs != infra->hosts->size) {
infra_delete(infra);
infra = infra_create(cfg);
}
return infra;
}
void daemon_apply_cfg(struct daemon* daemon, struct config_file* cfg)
{
daemon->cfg = cfg;
config_apply(cfg);
if(!daemon->env->msg_cache ||
cfg->msg_cache_size != slabhash_get_size(daemon->env->msg_cache) ||
cfg->msg_cache_slabs != daemon->env->msg_cache->size) {
slabhash_delete(daemon->env->msg_cache);
daemon->env->msg_cache = slabhash_create(cfg->msg_cache_slabs,
HASH_DEFAULT_STARTARRAY, cfg->msg_cache_size,
msgreply_sizefunc, query_info_compare,
query_entry_delete, reply_info_delete, NULL);
if(!daemon->env->msg_cache) {
fatal_exit("malloc failure updating config settings");
}
}
if((daemon->env->rrset_cache = rrset_cache_adjust(
daemon->env->rrset_cache, cfg, &daemon->superalloc)) == 0)
fatal_exit("malloc failure updating config settings");
if((daemon->env->infra_cache = infra_adjust(daemon->env->infra_cache,
cfg))==0)
fatal_exit("malloc failure updating config settings");
}
int
context_finalize(struct ub_ctx* ctx)
{
struct config_file* cfg = ctx->env->cfg;
verbosity = cfg->verbosity;
if(ctx->logfile_override)
log_file(ctx->log_out);
else log_init(cfg->logfile, cfg->use_syslog, NULL);
config_apply(cfg);
if(!modstack_setup(&ctx->mods, cfg->module_conf, ctx->env))
return UB_INITFAIL;
ctx->local_zones = local_zones_create();
if(!ctx->local_zones)
return UB_NOMEM;
if(!local_zones_apply_cfg(ctx->local_zones, cfg))
return UB_INITFAIL;
if(!ctx->env->msg_cache ||
cfg->msg_cache_size != slabhash_get_size(ctx->env->msg_cache) ||
cfg->msg_cache_slabs != ctx->env->msg_cache->size) {
slabhash_delete(ctx->env->msg_cache);
ctx->env->msg_cache = slabhash_create(cfg->msg_cache_slabs,
HASH_DEFAULT_STARTARRAY, cfg->msg_cache_size,
msgreply_sizefunc, query_info_compare,
query_entry_delete, reply_info_delete, NULL);
if(!ctx->env->msg_cache)
return UB_NOMEM;
}
ctx->env->rrset_cache = rrset_cache_adjust(ctx->env->rrset_cache,
ctx->env->cfg, ctx->env->alloc);
if(!ctx->env->rrset_cache)
return UB_NOMEM;
ctx->env->infra_cache = infra_adjust(ctx->env->infra_cache, cfg);
if(!ctx->env->infra_cache)
return UB_NOMEM;
ctx->finalized = 1;
return UB_NOERROR;
}
