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Fix some issues per code review

This commit is contained in:
Neel Goyal 2014-02-20 16:17:41 -05:00
parent 4f266d1a88
commit 524783804c
2 changed files with 23 additions and 10 deletions
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31
src/context.c
View File

@ -53,7 +53,7 @@ void *plain_mem_funcs_user_arg = MF_PLAIN;
/* Private functions */
getdns_return_t create_default_namespaces(struct getdns_context *context);
static struct getdns_list *create_default_root_servers();
static struct getdns_list *create_default_root_servers(void);
static getdns_return_t add_ip_str(struct getdns_dict *);
static struct getdns_dict *create_ipaddr_dict_from_rdf(struct getdns_context *,
ldns_rdf *);
@ -292,9 +292,9 @@ set_os_defaults(struct getdns_context *context)
if(context->fchg_resolvconf == NULL)
{
context->fchg_resolvconf = (struct filechg *) malloc(sizeof(struct filechg));
context->fchg_resolvconf = GETDNS_MALLOC(context->my_mf, struct filechg);
if(context->fchg_resolvconf == NULL)
return GETDNS_RETURN_GENERIC_ERROR;
return GETDNS_RETURN_MEMORY_ERROR;
context->fchg_resolvconf->fn = "/etc/resolv.conf";
context->fchg_resolvconf->prevstat = NULL;
context->fchg_resolvconf->changes = GETDNS_FCHG_NOCHANGES;
@ -405,6 +405,7 @@ getdns_context_create_with_extended_memory_functions(
if (!result) {
return GETDNS_RETURN_GENERIC_ERROR;
}
result->destroying = 0;
result->my_mf.mf_arg = userarg;
result->my_mf.mf.ext.malloc = malloc;
result->my_mf.mf.ext.realloc = realloc;
@ -515,6 +516,10 @@ getdns_context_destroy(struct getdns_context *context)
if (context == NULL) {
return;
}
context->destroying = 1;
cancel_outstanding_requests(context, 1);
getdns_extension_detach_eventloop(context);
if (context->namespaces)
GETDNS_FREE(context->my_mf, context->namespaces);
if(context->fchg_resolvconf)
@ -530,9 +535,6 @@ getdns_context_destroy(struct getdns_context *context)
GETDNS_FREE(context->my_mf, context->fchg_hosts);
}
cancel_outstanding_requests(context, 1);
getdns_extension_detach_eventloop(context);
getdns_list_destroy(context->dns_root_servers);
getdns_list_destroy(context->suffix);
getdns_list_destroy(context->dnssec_trust_anchors);
@ -1056,7 +1058,7 @@ getdns_return_t
getdns_context_set_edns_do_bit(struct getdns_context *context, uint8_t value)
{
RETURN_IF_NULL(context, GETDNS_RETURN_INVALID_PARAMETER);
/* 0 or 1 */
/* only allow 1 */
if (value != 1) {
return GETDNS_RETURN_CONTEXT_UPDATE_FAIL;
}
@ -1299,7 +1301,9 @@ getdns_context_prepare_for_resolution(struct getdns_context *context,
getdns_return_t r;
RETURN_IF_NULL(context, GETDNS_RETURN_INVALID_PARAMETER);
if (context->destroying) {
return GETDNS_RETURN_BAD_CONTEXT;
}
if (context->resolution_type_set == context->resolution_type)
/* already set and no config changes
* have caused this to be bad.
@ -1450,9 +1454,16 @@ getdns_context_get_num_pending_requests(struct getdns_context* context,
(timeout_data->timeout_time.tv_sec == now.tv_sec &&
timeout_data->timeout_time.tv_usec >= now.tv_usec)) {
next_timeout->tv_sec = timeout_data->timeout_time.tv_sec - now.tv_sec;
next_timeout->tv_usec = timeout_data->timeout_time.tv_usec - now.tv_usec;
if (timeout_data->timeout_time.tv_usec < now.tv_usec) {
/* we only enter this condition when timeout_data.tv_sec > now.tv_sec */
next_timeout->tv_usec = (timeout_data->timeout_time.tv_usec + 100000) - now.tv_usec;
next_timeout->tv_sec--;
} else {
next_timeout->tv_usec = timeout_data->timeout_time.tv_usec - now.tv_usec;
}
} else {
/* timeout passed already */
/* usec already 0 per setting default */
next_timeout->tv_sec = 0;
}
}
@ -1493,7 +1504,7 @@ getdns_return_t getdns_context_process_async(struct getdns_context* context) {
/* get the next_timeout */
next_timeout = ldns_rbtree_next(next_timeout);
/* delete the node */
/* timeout data is freed in the clear_timeout */
/* timeout data and the timeouts_by_id node are freed in the clear_timeout */
ldns_rbnode_t* to_del = ldns_rbtree_delete(context->timeouts_by_time, timeout_data);
if (to_del) {
/* should always exist .. */

2
src/context.h
View File

@ -90,6 +90,8 @@ struct getdns_context {
getdns_update_callback update_callback;
int destroying;
struct mem_funcs mf;
struct mem_funcs my_mf;