[libsoup/wip/tpopela/negotiate] Connect to the got_headers signal just once

[Tomas Popela <tpopela src gnome org>]

commit 49d4772b0316c7861189db60867b6294c67da27f
Author: Tomas Popela <tpopela redhat com>
Date:   Tue Jan 19 12:06:42 2016 +0100

    Connect to the got_headers signal just once

 libsoup/soup-auth-negotiate.c |   19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)
---
diff --git a/libsoup/soup-auth-negotiate.c b/libsoup/soup-auth-negotiate.c
index 038895b..41b5093 100644
--- a/libsoup/soup-auth-negotiate.c
+++ b/libsoup/soup-auth-negotiate.c
@@ -23,6 +23,13 @@
 #include "soup-misc.h"
 #include "soup-uri.h"
 
+typedef struct {
+       gulong got_headers_signal_id;
+} SoupAuthNegotiatePrivate;
+#define SOUP_AUTH_NEGOTIATE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SOUP_TYPE_AUTH_NEGOTIATE, 
SoupAuthNegotiatePrivate))
+
+G_DEFINE_TYPE (SoupAuthNegotiate, soup_auth_negotiate, SOUP_TYPE_CONNECTION_AUTH)
+
 #define AUTH_GSS_ERROR      -1
 #define AUTH_GSS_COMPLETE    1
 #define AUTH_GSS_CONTINUE    0
@@ -61,8 +68,6 @@ static const gss_OID_desc gss_mech_spnego = { 6, (void *) &spnego_OID };
 
 static GSList *trusted_uris;
 
-G_DEFINE_TYPE (SoupAuthNegotiate, soup_auth_negotiate, SOUP_TYPE_CONNECTION_AUTH)
-
 static void
 soup_auth_negotiate_init (SoupAuthNegotiate *negotiate)
 {
@@ -78,11 +83,15 @@ static void
 soup_auth_negotiate_free_connection_state (SoupConnectionAuth *auth,
                                           gpointer state)
 {
+       SoupAuthNegotiate *negotiate = SOUP_AUTH_NEGOTIATE (auth);
+       SoupAuthNegotiatePrivate *priv = SOUP_AUTH_NEGOTIATE_GET_PRIVATE (negotiate);
        SoupNegotiateConnectionState *conn = state;
 
        soup_gss_client_cleanup (conn);
 
        g_free (conn->response_header);
+
+       priv->got_headers_signal_id = 0;
 }
 
 static void
@@ -95,9 +104,11 @@ soup_auth_negotiate_update_connection (SoupConnectionAuth *auth, SoupMessage *ms
                                       const char *header, gpointer state)
 {
        SoupNegotiateConnectionState *conn = state;
+       SoupAuthNegotiate *negotiate = SOUP_AUTH_NEGOTIATE (auth);
+       SoupAuthNegotiatePrivate *priv = SOUP_AUTH_NEGOTIATE_GET_PRIVATE (negotiate);
        GError *err = NULL;
 
-       if (!check_auth_trusted_uri (SOUP_AUTH_NEGOTIATE (auth), msg)) {
+       if (!check_auth_trusted_uri (negotiate, msg)) {
                conn->state = SOUP_NEGOTIATE_FAILED;
 
                return FALSE;
@@ -255,6 +266,8 @@ soup_auth_negotiate_class_init (SoupAuthNegotiateClass *auth_negotiate_class)
        SoupConnectionAuthClass *conn_auth_class =
                        SOUP_CONNECTION_AUTH_CLASS (auth_negotiate_class);
 
+       g_type_class_add_private (auth_negotiate_class, sizeof (SoupAuthNegotiatePrivate));
+
        auth_class->scheme_name = "Negotiate";
        auth_class->strength = 7;