added function GNUNET_RESOLVER_local_hostname_get to resolve local hostname

1 files changed, 33 insertions, 1 deletions

diff --git a/src/util/resolver_api.c b/src/util/resolver_api.c
index a35f680d3..96396bfcc 100644
--- a/src/util/resolver_api.c
+++ b/src/util/resolver_api.c
@@ -669,7 +669,39 @@ GNUNET_RESOLVER_hostname_get (struct GNUNET_SCHEDULER_Handle *sched,
 
 
 /**
- * Perform a reverse DNS lookup.
+ * Get local hostname
+ *
+ * @param sched scheduler to use
+ * @param cfg configuration to use
+ * @param callback function to call with addresses
+ * @param cls closure for callback
+ * @return handle that can be used to cancel the request, NULL on error
+ */
+void
+GNUNET_RESOLVER_local_hostname_get (struct GNUNET_SCHEDULER_Handle *sched,
+                                    const struct GNUNET_CONFIGURATION_Handle *cfg,
+                                    GNUNET_RESOLVER_HostnameCallback callback,
+                                    void *cls)
+{
+
+  char hostname[GNUNET_OS_get_hostname_max_length() + 1];
+
+  check_config (cfg);
+  if (0 != gethostname (hostname, sizeof (hostname) - 1))
+    {
+      GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR |
+                           GNUNET_ERROR_TYPE_BULK, "gethostname");
+      return;
+    }
+#if DEBUG_RESOLVER
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              _("Resolving our hostname `%s'\n"), hostname);
+#endif
+  callback (cls, hostname);
+}
+
+/**
+ * Looking our own hostname.
  *
  * @param sched scheduler to use
  * @param cfg configuration to use