[Spice-devel] [PATCH spice-server] test-display-base: Avoid spurious errors due to listen failures

[Frediano Ziglio]

To set up a listening socket usually you call in sequence:
- socket;
- bind;
- listen.
Usually if you try to listen to a post already in listening state
the bind will fail. However is possible that the listen will fail,
like in this sequence:
- socket 1;
- bind 1;
- socket 2;
- bind 2;
- listen 1;
- listen 2 <-- failure.
Our tests may attempt to reuse the port however we handle this problem
trying to detect bind errors. Catch also listen errors to avoid the
sequence above to trigger the problem. This happened some commit ago
in our CI.

Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
---
 server/tests/test-display-base.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/server/tests/test-display-base.c b/server/tests/test-display-base.c
index ea3a23ba..f58f76d3 100644
--- a/server/tests/test-display-base.c
+++ b/server/tests/test-display-base.c
@@ -894,10 +894,10 @@ void test_set_command_list(Test *test, Command *commands, int num_commands)
     test->num_commands = num_commands;
 }
 
-static gboolean ignore_bind_failures(const gchar *log_domain,
-                                     GLogLevelFlags log_level,
-                                     const gchar *message,
-                                     gpointer user_data)
+static gboolean ignore_in_use_failures(const gchar *log_domain,
+                                       GLogLevelFlags log_level,
+                                       const gchar *message,
+                                       gpointer user_data)
 {
     if (!g_str_equal (log_domain, G_LOG_DOMAIN)) {
         return true;
@@ -905,7 +905,8 @@ static gboolean ignore_bind_failures(const gchar *log_domain,
     if ((log_level & G_LOG_LEVEL_WARNING) == 0)  {
         return true;
     }
-    if (strstr(message, "reds_init_socket: binding socket to ") == NULL) {
+    if (strstr(message, "reds_init_socket: binding socket to ") == NULL || // bind failure
+        strstr(message, "reds_init_socket: listen: ") == NULL) { // listen failure
         g_print("XXX [%s]\n", message);
         return true;
     }
@@ -929,7 +930,7 @@ Test* test_new(SpiceCoreInterface* core)
     // some common initialization for all display tests
     port = BASE_PORT;
 
-    g_test_log_set_fatal_handler(ignore_bind_failures, NULL);
+    g_test_log_set_fatal_handler(ignore_in_use_failures, NULL);
     for (port = BASE_PORT; port < BASE_PORT + 10; port++) {
         SpiceServer* server = spice_server_new();
         spice_server_set_noauth(server);
-- 
2.17.2