/**
- * Convert a string to one or more IP addresses.
+ * Handle to a request given to the resolver. Can be used to cancel
+ * the request prior to the timeout or successful execution.
+ */
+struct GNUNET_RESOLVER_RequestHandle;
+
+/**
+ * Create the connection to the resolver service.
*
- * @param sched scheduler to use
* @param cfg configuration to use
+ */
+void
+GNUNET_RESOLVER_connect (const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+
+/**
+ * Destroy the connection to the resolver service.
+ */
+void
+GNUNET_RESOLVER_disconnect (void);
+
+
+/**
+ * Convert a string to one or more IP addresses.
+ *
* @param hostname the hostname to resolve
* @param domain AF_INET or AF_INET6; use AF_UNSPEC for "any"
* @param callback function to call with addresses
- * @param cls closure for callback
+ * @param callback_cls closure for callback
* @param timeout how long to try resolving
+ * @return handle that can be used to cancel the request, NULL on error
*/
-void
-GNUNET_RESOLVER_ip_get (struct GNUNET_SCHEDULER_Handle *sched,
- struct GNUNET_CONFIGURATION_Handle *cfg,
- const char *hostname,
- int domain,
+struct GNUNET_RESOLVER_RequestHandle *
+GNUNET_RESOLVER_ip_get (const char *hostname, int domain,
struct GNUNET_TIME_Relative timeout,
- GNUNET_RESOLVER_AddressCallback callback, void *cls);
+ GNUNET_RESOLVER_AddressCallback callback,
+ void *callback_cls);
/**
* Resolve our hostname to an IP address.
*
- * @param sched scheduler to use
- * @param cfg configuration to use
* @param domain AF_INET or AF_INET6; use AF_UNSPEC for "any"
* @param callback function to call with addresses
* @param cls closure for callback
* @param timeout how long to try resolving
+ * @return handle that can be used to cancel the request, NULL on error
*/
-void
-GNUNET_RESOLVER_hostname_resolve (struct GNUNET_SCHEDULER_Handle *sched,
- struct GNUNET_CONFIGURATION_Handle *cfg,
- int domain,
+struct GNUNET_RESOLVER_RequestHandle *
+GNUNET_RESOLVER_hostname_resolve (int domain,
struct GNUNET_TIME_Relative timeout,
GNUNET_RESOLVER_AddressCallback callback,
void *cls);
typedef void (*GNUNET_RESOLVER_HostnameCallback) (void *cls,
const char *hostname);
+/**
+ * Get local fully qualified domain name
+ *
+ * @return local hostname, caller must free
+ */
+char *
+GNUNET_RESOLVER_local_fqdn_get (void);
+
/**
- * Get an IP address as a string.
+ * Perform a reverse DNS lookup.
*
- * @param sched scheduler to use
- * @param cfg configuration to use
* @param sa host address
* @param salen length of host address
* @param do_resolve use GNUNET_NO to return numeric hostname
* @param timeout how long to try resolving
* @param callback function to call with hostnames
* @param cls closure for callback
+ * @return handle that can be used to cancel the request, NULL on error
+ */
+struct GNUNET_RESOLVER_RequestHandle *
+GNUNET_RESOLVER_hostname_get (const struct sockaddr *sa, socklen_t salen,
+ int do_resolve,
+ struct GNUNET_TIME_Relative timeout,
+ GNUNET_RESOLVER_HostnameCallback callback,
+ void *cls);
+
+
+/**
+ * Cancel a request that is still pending with the resolver.
+ * Note that a client MUST NOT cancel a request that has
+ * been completed (i.e, the callback has been called to
+ * signal timeout or the final result).
+ *
+ * @param rh handle of request to cancel
*/
-void GNUNET_RESOLVER_hostname_get (struct GNUNET_SCHEDULER_Handle *sched,
- struct GNUNET_CONFIGURATION_Handle *cfg,
- const struct sockaddr *sa,
- socklen_t salen,
- int do_resolve,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_RESOLVER_HostnameCallback callback,
- void *cls);
+void
+GNUNET_RESOLVER_request_cancel (struct GNUNET_RESOLVER_RequestHandle *rh);
+
#if 0 /* keep Emacsens' auto-indent happy */
{