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CONC-760: valid named pipe connection is closed

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Fixed different behavior of pvio_is_alive (which was first used
with fix of CONC-589). Both for sockets and named pipe the function
now returns true if the connection is alive, otherwise false.
This commit is contained in:
Georg Richter
2025-02-27 07:48:58 +01:00
parent bbf07912ec
commit aa240cd181
3 changed files with 80 additions and 10 deletions
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78
unittest/libmariadb/connection.c
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@@ -2002,7 +2002,6 @@ static int test_conc748(MYSQL *my __attribute__((unused)))
static int test_conc589(MYSQL *my)
{
MYSQL *mysql= mysql_init(NULL);
MYSQL_RES *result;
int rc;
my_bool reconnect= 1, verify= 0;
unsigned long last_thread_id= 0;
@@ -2022,6 +2021,72 @@ static int test_conc589(MYSQL *my)
rc= mysql_query(mysql, "SET SESSION wait_timeout=5");
check_mysql_rc(rc, mysql);
last_thread_id= mysql_thread_id(mysql);
rc= mysql_query(mysql, "SET @a:=1");
check_mysql_rc(rc, mysql);
sleep(10);
rc= mysql_query(mysql, "SET @a:=2");
check_mysql_rc(rc, mysql);
FAIL_IF(mysql_thread_id(mysql) == last_thread_id, "Expected new connection id");
last_thread_id= mysql_thread_id(mysql);
mysql_kill(my, last_thread_id);
sleep(10);
rc= mysql_query(mysql, "SET @a:=3");
check_mysql_rc(rc, mysql);
FAIL_IF(mysql_thread_id(mysql) == last_thread_id, "Expected new connection id");
mysql_close(mysql);
return OK;
}
#ifdef WIN32
static int test_conc760(MYSQL *my)
{
MYSQL *mysql= mysql_init(NULL);
MYSQL_RES *result;
MYSQL_ROW row;
int rc;
my_bool reconnect= 1, verify= 0;
unsigned long last_thread_id= 0;
unsigned int protocol= MYSQL_PROTOCOL_PIPE;
my_bool have_named_pipe= 0;
SKIP_MAXSCALE;
rc= mysql_query(my, "select @@named_pipe");
check_mysql_rc(rc, mysql);
if ((result= mysql_store_result(my)))
{
if((row= mysql_fetch_row(result)))
have_named_pipe= atoi(row[0]);
mysql_free_result(result);
}
if (!have_named_pipe)
{
diag("Server doesn't support named pipes");
return SKIP;
}
mysql_options(mysql, MYSQL_OPT_RECONNECT, &reconnect);
mysql_options(mysql, MYSQL_OPT_SSL_VERIFY_SERVER_CERT, &verify);
mysql_options(mysql, MYSQL_OPT_PROTOCOL, &protocol);
if (!my_test_connect(mysql, hostname, username,
password, schema, port, socketname, CLIENT_REMEMBER_OPTIONS))
{
diag("error: %s", mysql_error(mysql));
return FAIL;
}
rc= mysql_query(mysql, "SET SESSION wait_timeout=5");
check_mysql_rc(rc, mysql);
last_thread_id= mysql_thread_id(mysql);
if ((rc= mysql_query(mysql, "SELECT 1")) || (result= mysql_store_result(mysql)) == NULL)
check_mysql_rc(rc, mysql);
@@ -2029,9 +2094,10 @@ static int test_conc589(MYSQL *my)
mysql_free_result(result);
sleep(10);
if ((rc= mysql_query(mysql, "SELECT 2")) || (result= mysql_store_result(mysql)) == NULL)
check_mysql_rc(rc, mysql);
mysql_free_result(result);
rc= mysql_query(mysql, "SELECT 2");
check_mysql_rc(rc, mysql);
if (result= mysql_store_result(mysql))
mysql_free_result(result);
FAIL_IF(mysql_thread_id(mysql) == last_thread_id, "Expected new connection id");
last_thread_id= mysql_thread_id(mysql);
@@ -2046,8 +2112,12 @@ static int test_conc589(MYSQL *my)
mysql_close(mysql);
return OK;
}
#endif
struct my_tests_st my_tests[] = {
#ifdef WIN32
{"test_conc760", test_conc760, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
#endif
{"test_conc589", test_conc589, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
#ifdef HAVE_test_conc748
{"test_conc748", test_conc748, TEST_CONNECTION_NONE, 0, NULL, NULL},