X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd_client.c;h=034beca9471a6a9ed7899e6c6f65d8b3322d386b;hp=013b7e35e96e54c7ffa93c775b5d3091ec913e99;hb=8926620824c302c358d7a71e41d29a9b6e8474b2;hpb=484fd7168e776f1af747b65fa0da8a43571f5c9a

diff --git a/src/rrd_client.c b/src/rrd_client.c
index 013b7e3..034beca 100644
--- a/src/rrd_client.c
+++ b/src/rrd_client.c
@@ -21,11 +21,12 @@
  **/
 
 #include "rrd.h"
-#include "rrd_client.h"
 #include "rrd_tool.h"
+#include "rrd_client.h"
 
 #include <stdlib.h>
 #include <string.h>
+#include <strings.h>
 #include <errno.h>
 #include <assert.h>
 #include <pthread.h>
@@ -33,6 +34,7 @@
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <netdb.h>
+#include <limits.h>
 
 #ifndef ENODATA
 #define ENODATA ENOENT
@@ -436,8 +438,8 @@ static int rrdc_connect_network (const char *addr_orig) /* {{{ */
       rrd_set_error("garbage after address: %s", port);
       return (-1);
     }
-  } /* if (*addr = ']') */
-  else if (strchr (addr, '.') != NULL) /* Hostname or IPv4 */
+  } /* if (*addr == '[') */
+  else
   {
     port = rindex(addr, ':');
     if (port != NULL)
@@ -452,7 +454,12 @@ static int rrdc_connect_network (const char *addr_orig) /* {{{ */
                         port == NULL ? RRDCACHED_DEFAULT_PORT : port,
                         &ai_hints, &ai_res);
   if (status != 0)
-    return (status);
+  {
+    rrd_set_error ("failed to resolve address `%s' (port %s): %s",
+        addr, port == NULL ? RRDCACHED_DEFAULT_PORT : port,
+        gai_strerror (status));
+    return (-1);
+  }
 
   for (ai_ptr = ai_res; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
   {
@@ -510,6 +517,7 @@ int rrdc_connect (const char *addr) /* {{{ */
     close_connection();
   }
 
+  rrd_clear_error ();
   if (strncmp ("unix:", addr, strlen ("unix:")) == 0)
     status = rrdc_connect_unix (addr + strlen ("unix:"));
   else if (addr[0] == '/')
@@ -520,10 +528,18 @@ int rrdc_connect (const char *addr) /* {{{ */
   if (status == 0 && sd >= 0)
     sd_path = strdup(addr);
   else
+  {
+    char *err = rrd_test_error () ? rrd_get_error () : "Internal error";
+    /* err points the string that gets written to by rrd_set_error(), thus we
+     * cannot pass it to that function */
+    err = strdup (err);
     rrd_set_error("Unable to connect to rrdcached: %s",
                   (status < 0)
-                  ? "Internal error"
+                  ? (err ? err : "Internal error")
                   : rrd_strerror (status));
+    if (err != NULL)
+      free (err);
+  }
 
   pthread_mutex_unlock (&lock);
   return (status);