[network-manager-applet/bg/editor-route-metric-default-bgo769015: 3/4] editor: consider -1 as missing route metric



commit 2066474d4e937a85463b0ac259dcbbcc97cdee9b
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Wed Sep 28 09:22:00 2016 +0200

    editor: consider -1 as missing route metric
    
    The route metric can assume a value between 0 and 2^32, or -1 to
    indicate that the default value for the device should be used.
    
    In the connection editor we previously saved a missing route metric as
    zero and incorrectly displayed the -1 (default) value as 4294967295.
    
    Instead, leave the field empty for default metric. This is similar to
    the nmcli convention.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769015

 src/connection-editor/ip4-routes-dialog.c |   44 +++++++++++++---------
 src/connection-editor/ip6-routes-dialog.c |   56 +++++++++++++++-------------
 2 files changed, 56 insertions(+), 44 deletions(-)
---
diff --git a/src/connection-editor/ip4-routes-dialog.c b/src/connection-editor/ip4-routes-dialog.c
index e4d9b2e..c93a444 100644
--- a/src/connection-editor/ip4-routes-dialog.c
+++ b/src/connection-editor/ip4-routes-dialog.c
@@ -48,13 +48,12 @@ static char *last_path = NULL;   /* row in treeview */
 static int last_column = -1;     /* column in treeview */
 
 static gboolean
-get_one_int (GtkTreeModel *model,
-             GtkTreeIter *iter,
-             int column,
-             guint32 max_value,
-             gboolean fail_if_missing,
-             guint32 *out,
-             char **out_raw)
+get_one_metric (GtkTreeModel *model,
+                GtkTreeIter *iter,
+                int column,
+                gboolean fail_if_missing,
+                gint64 *out,
+                char **out_raw)
 {
        char *item = NULL;
        gboolean success = FALSE;
@@ -71,10 +70,10 @@ get_one_int (GtkTreeModel *model,
 
        errno = 0;
        tmp_int = strtol (item, NULL, 10);
-       if (errno || tmp_int < 0 || tmp_int > max_value)
+       if (errno || tmp_int < 0 || tmp_int > G_MAXUINT32)
                goto out;
 
-       *out = (guint32) tmp_int;
+       *out = (gint64) tmp_int;
        success = TRUE;
 
 out:
@@ -183,7 +182,8 @@ validate (GtkWidget *dialog)
 
        while (iter_valid) {
                char *addr = NULL, *next_hop = NULL;
-               guint32 prefix = 0, metric = 0;
+               guint32 prefix = 0;
+               gint64 metric = -1;
 
                /* Address */
                if (!get_one_addr (model, &tree_iter, COL_ADDRESS, TRUE, &addr, NULL))
@@ -203,7 +203,7 @@ validate (GtkWidget *dialog)
                g_free (next_hop);
 
                /* Metric (optional) */
-               if (!get_one_int (model, &tree_iter, COL_METRIC, G_MAXUINT32, FALSE, &metric, NULL))
+               if (!get_one_metric (model, &tree_iter, COL_METRIC, FALSE, &metric, NULL))
                        goto done;
 
                iter_valid = gtk_tree_model_iter_next (model, &tree_iter);
@@ -690,7 +690,8 @@ cell_error_data_func (GtkTreeViewColumn *tree_column,
        guint32 col = GPOINTER_TO_UINT (data);
        char *value = NULL;
        char *addr, *next_hop;
-       guint32 prefix, metric;
+       guint32 prefix;
+       gint64 metric;
        const char *color = "red";
        gboolean invalid = FALSE;
 
@@ -702,7 +703,7 @@ cell_error_data_func (GtkTreeViewColumn *tree_column,
        else if (col == COL_NEXT_HOP)
                invalid = !get_one_addr (tree_model, iter, COL_NEXT_HOP, FALSE, &next_hop, &value);
        else if (col == COL_METRIC)
-               invalid = !get_one_int (tree_model, iter, COL_METRIC, G_MAXUINT32, FALSE, &metric, &value);
+               invalid = !get_one_metric (tree_model, iter, COL_METRIC, FALSE, &metric, &value);
        else
                g_warn_if_reached ();
 
@@ -764,6 +765,7 @@ ip4_routes_dialog_new (NMSettingIPConfig *s_ip4, gboolean automatic)
                NMIPRoute *route = nm_setting_ip_config_get_route (s_ip4, i);
                struct in_addr tmp_addr;
                char netmask[INET_ADDRSTRLEN], metric[32];
+               gint64 metric_int;
 
                if (!route) {
                        g_warning ("%s: empty IP4 route structure!", __func__);
@@ -774,9 +776,14 @@ ip4_routes_dialog_new (NMSettingIPConfig *s_ip4, gboolean automatic)
                if (!inet_ntop (AF_INET, &tmp_addr, netmask, sizeof (netmask)))
                        *netmask = '\0';
 
-               /* FIXME */
-               g_snprintf (metric, sizeof (metric), "%u",
-                           (guint32) MIN (0, nm_ip_route_get_metric (route)));
+               metric_int = nm_ip_route_get_metric (route);
+               if (metric_int >= 0 && metric_int <= G_MAXUINT32)
+                       g_snprintf (metric, sizeof (metric), "%lu", (unsigned long) metric_int);
+               else {
+                       if (metric_int != -1)
+                               g_warning ("invalid metric %lld", (long long int) metric_int);
+                       metric[0] = 0;
+               }
 
                gtk_list_store_append (store, &model_iter);
                gtk_list_store_set (store, &model_iter,
@@ -922,7 +929,8 @@ ip4_routes_dialog_update_setting (GtkWidget *dialog, NMSettingIPConfig *s_ip4)
 
        while (iter_valid) {
                char *addr = NULL, *next_hop = NULL;
-               guint32 prefix = 0, metric = 0;
+               guint32 prefix = 0;
+               gint64 metric = -1;
                NMIPRoute *route;
 
                /* Address */
@@ -946,7 +954,7 @@ ip4_routes_dialog_update_setting (GtkWidget *dialog, NMSettingIPConfig *s_ip4)
                }
 
                /* Metric (optional) */
-               if (!get_one_int (model, &tree_iter, COL_METRIC, G_MAXUINT32, FALSE, &metric, NULL)) {
+               if (!get_one_metric (model, &tree_iter, COL_METRIC, FALSE, &metric, NULL)) {
                        g_warning ("%s: IPv4 metric invalid!", __func__);
                        g_free (addr);
                        g_free (next_hop);
diff --git a/src/connection-editor/ip6-routes-dialog.c b/src/connection-editor/ip6-routes-dialog.c
index 9f90e4b..8e7325c 100644
--- a/src/connection-editor/ip6-routes-dialog.c
+++ b/src/connection-editor/ip6-routes-dialog.c
@@ -50,17 +50,18 @@ static char *last_path = NULL;   /* row in treeview */
 static int last_column = -1;     /* column in treeview */
 
 static gboolean
-get_one_int (GtkTreeModel *model,
-             GtkTreeIter *iter,
-             int column,
-             guint32 max_value,
-             gboolean fail_if_missing,
-             guint *out,
-             char **out_raw)
+get_one_int64 (GtkTreeModel *model,
+               GtkTreeIter *iter,
+               int column,
+               gint64 min_value,
+               gint64 max_value,
+               gboolean fail_if_missing,
+               gint64 *out,
+               char **out_raw)
 {
        char *item = NULL;
        gboolean success = FALSE;
-       long int tmp_int;
+       long long int tmp_int;
 
        gtk_tree_model_get (model, iter, column, &item, -1);
        if (out_raw)
@@ -72,11 +73,11 @@ get_one_int (GtkTreeModel *model,
        }
 
        errno = 0;
-       tmp_int = strtol (item, NULL, 10);
-       if (errno || tmp_int < 0 || tmp_int > max_value)
+       tmp_int = strtoll (item, NULL, 10);
+       if (errno || tmp_int < min_value || tmp_int > max_value)
                goto out;
 
-       *out = (guint) tmp_int;
+       *out = (gint64) tmp_int;
        success = TRUE;
 
 out:
@@ -139,7 +140,7 @@ validate (GtkWidget *dialog)
 
        while (iter_valid) {
                char *dest = NULL, *next_hop = NULL;
-               guint prefix = 0, metric = 0;
+               gint64 prefix = 0, metric = -1;
 
                /* Address */
                if (!get_one_addr (model, &tree_iter, COL_ADDRESS, TRUE, &dest, NULL))
@@ -147,8 +148,7 @@ validate (GtkWidget *dialog)
                g_free (dest);
 
                /* Prefix */
-               if (   !get_one_int (model, &tree_iter, COL_PREFIX, 128, TRUE, &prefix, NULL)
-                   || prefix == 0)
+               if (!get_one_int64 (model, &tree_iter, COL_PREFIX, 1, 128, TRUE, &prefix, NULL))
                        goto done;
 
                /* Next hop (optional) */
@@ -157,7 +157,7 @@ validate (GtkWidget *dialog)
                g_free (next_hop);
 
                /* Metric (optional) */
-               if (!get_one_int (model, &tree_iter, COL_METRIC, G_MAXUINT32, FALSE, &metric, NULL))
+               if (!get_one_int64 (model, &tree_iter, COL_METRIC, 0, G_MAXUINT32, FALSE, &metric, NULL))
                        goto done;
 
                iter_valid = gtk_tree_model_iter_next (model, &tree_iter);
@@ -635,19 +635,18 @@ cell_error_data_func (GtkTreeViewColumn *tree_column,
        guint32 col = GPOINTER_TO_UINT (data);
        char *value = NULL;
        char *addr, *next_hop;
-       guint32 prefix, metric;
+       gint64 prefix, metric;
        const char *color = "red";
        gboolean invalid = FALSE;
 
        if (col == COL_ADDRESS)
                invalid = !get_one_addr (tree_model, iter, COL_ADDRESS, TRUE, &addr, &value);
        else if (col == COL_PREFIX)
-               invalid =    !get_one_int (tree_model, iter, COL_PREFIX, 128, TRUE, &prefix, &value)
-                         || prefix == 0;
+               invalid = !get_one_int64 (tree_model, iter, COL_PREFIX, 1, 128, TRUE, &prefix, &value);
        else if (col == COL_NEXT_HOP)
                invalid = !get_one_addr (tree_model, iter, COL_NEXT_HOP, FALSE, &next_hop, &value);
        else if (col == COL_METRIC)
-               invalid = !get_one_int (tree_model, iter, COL_METRIC, G_MAXUINT32, FALSE, &metric, &value);
+               invalid = !get_one_int64 (tree_model, iter, COL_METRIC, 0, G_MAXUINT32, FALSE, &metric, 
&value);
        else
                g_warn_if_reached ();
 
@@ -708,6 +707,7 @@ ip6_routes_dialog_new (NMSettingIPConfig *s_ip6, gboolean automatic)
        for (i = 0; i < nm_setting_ip_config_get_num_routes (s_ip6); i++) {
                NMIPRoute *route = nm_setting_ip_config_get_route (s_ip6, i);
                char prefix[32], metric[32];
+               gint64 metric_int;
 
                if (!route) {
                        g_warning ("%s: empty IP6 route structure!", __func__);
@@ -716,9 +716,14 @@ ip6_routes_dialog_new (NMSettingIPConfig *s_ip6, gboolean automatic)
 
                g_snprintf (prefix, sizeof (prefix), "%u", nm_ip_route_get_prefix (route));
 
-               /* FIXME */
-               g_snprintf (metric, sizeof (metric), "%u",
-                           (guint32) MIN (0, nm_ip_route_get_metric (route)));
+               metric_int = nm_ip_route_get_metric (route);
+               if (metric_int >= 0 && metric_int <= G_MAXUINT32)
+                       g_snprintf (metric, sizeof (metric), "%lu", (unsigned long) metric_int);
+               else {
+                       if (metric_int != -1)
+                               g_warning ("invalid metric %lld", (long long int) metric_int);
+                       metric[0] = 0;
+               }
 
                gtk_list_store_append (store, &model_iter);
                gtk_list_store_set (store, &model_iter,
@@ -864,7 +869,7 @@ ip6_routes_dialog_update_setting (GtkWidget *dialog, NMSettingIPConfig *s_ip6)
 
        while (iter_valid) {
                char *dest = NULL, *next_hop = NULL;
-               guint prefix = 0, metric = 0;
+               gint64 prefix = 0, metric = -1;
                NMIPRoute *route;
 
                /* Address */
@@ -874,8 +879,7 @@ ip6_routes_dialog_update_setting (GtkWidget *dialog, NMSettingIPConfig *s_ip6)
                }
 
                /* Prefix */
-               if (   !get_one_int (model, &tree_iter, COL_PREFIX, 128, TRUE, &prefix, NULL)
-                   || prefix == 0) {
+               if (!get_one_int64 (model, &tree_iter, COL_PREFIX, 1, 128, TRUE, &prefix, NULL)) {
                        g_warning ("%s: IPv6 prefix missing or invalid!", __func__);
                        g_free (dest);
                        goto next;
@@ -889,7 +893,7 @@ ip6_routes_dialog_update_setting (GtkWidget *dialog, NMSettingIPConfig *s_ip6)
                }
 
                /* Metric (optional) */
-               if (!get_one_int (model, &tree_iter, COL_METRIC, G_MAXUINT32, FALSE, &metric, NULL)) {
+               if (!get_one_int64 (model, &tree_iter, COL_METRIC, 0, G_MAXUINT32, FALSE, &metric, NULL)) {
                        g_warning ("%s: IPv6 metric invalid!", __func__);
                        g_free (dest);
                        g_free (next_hop);


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