[gvfs] afp: Don't retry read if connection closes

[Ross Lagerwall <rossl src gnome org>]

commit e9c320e49cace543450b961af32ea7ffeb8d512f
Author: Ross Lagerwall <rosslagerwall gmail com>
Date:   Sun Aug 3 10:49:53 2014 +0100

    afp: Don't retry read if connection closes
    
    Don't retry the read if the remote host closes the connection.  Instead,
    exit (semi-)gracefully with exit(0) and exit with an error if there was
    an actual error.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710490

 daemon/gvfsafpconnection.c |   29 +++++++++++++++++++++++++----
 1 files changed, 25 insertions(+), 4 deletions(-)
---
diff --git a/daemon/gvfsafpconnection.c b/daemon/gvfsafpconnection.c
index 9e81b72..97d1f53 100644
--- a/daemon/gvfsafpconnection.c
+++ b/daemon/gvfsafpconnection.c
@@ -20,6 +20,7 @@
  * Author: Carl-Anton Ingmarsson <ca ingmarsson gmail com>
  */
 
+#include <stdlib.h>
 #include <string.h>
 #include <glib/gi18n.h>
 #include <gio/gnetworking.h>
@@ -879,6 +880,12 @@ read_all_cb (GObject *source_object, GAsyncResult *res, gpointer user_data)
     g_simple_async_result_take_error (simple, err);
     goto done;
   }
+  else if (bytes_read == 0)
+  {
+    g_simple_async_result_set_error (simple, G_IO_ERROR, G_IO_ERROR_CLOSED,
+                                     _("Got EOS"));
+    goto done;
+  }
 
   read_data = g_simple_async_result_get_op_res_gpointer (simple);
 
@@ -1049,8 +1056,15 @@ read_data_cb (GObject *object, GAsyncResult *res, gpointer user_data)
   result = read_all_finish (input, res, NULL, &err);
   if (!result)
   {
-    g_warning ("FAIL!!! \"%s\"\n", err->message);
-    g_error_free (err);
+    if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CLOSED))
+    {
+      g_message (_("Host closed connection"));
+      exit(0);
+    }
+    else
+    {
+      g_error ("FAIL!!! \"%s\"\n", err->message);
+    }
   }
 
   dispatch_reply (afp_connection);
@@ -1083,8 +1097,15 @@ read_dsi_header_cb (GObject *object, GAsyncResult *res, gpointer user_data)
   result = read_all_finish (input, res, NULL, &err);
   if (!result)
   {
-    g_warning ("FAIL!!! \"%s\"\n", err->message);
-    g_error_free (err);
+    if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CLOSED))
+    {
+      g_message (_("Host closed connection"));
+      exit(0);
+    }
+    else
+    {
+      g_error ("FAIL!!! \"%s\"\n", err->message);
+    }
   }
 
   dsi_header = &priv->read_dsi_header;