int main(int argc, char **argv)
{
TestConnections *test = new TestConnections(argc, argv);
char server_id[test->repl->N][1024];
test->repl->connect();
/** Get server_id for each node */
for (int i = 0; i < test->repl->N; i++)
{
sprintf(server_id[i], "%d", test->repl->get_server_id(i));
}
test->tprintf("Block the master and try a read query\n");
test->repl->block_node(0);
sleep(15);
test->connect_readconn_slave();
char first_slave[1024];
find_field(test->conn_slave, "SELECT @@server_id", "@@server_id", first_slave);
int found = -1;
for (int i = 0; i < test->repl->N; i++)
{
if (strcmp(server_id[i], first_slave) == 0)
{
found = i;
break;
}
}
test->add_result(found < 0, "No server with ID '%s' found.", first_slave);
test->tprintf("Blocking node %d\n", found + 1);
test->repl->block_node(found);
sleep(15);
test->tprintf("Blocked the slave that replied to us, expecting a different slave\n");
test->connect_readconn_slave();
char second_slave[1024];
find_field(test->conn_slave, "SELECT @@server_id", "@@server_id", second_slave);
test->add_result(strcmp(first_slave, second_slave) == 0,
"Server IDs match when they shouldn't: %s - %s",
first_slave, second_slave);
test->tprintf("Unblocking the slave that replied\n");
test->repl->unblock_node(found);
sleep(15);
test->tprintf("Unblocked the slave, still expecting a different slave\n");
test->connect_readconn_slave();
find_field(test->conn_slave, "SELECT @@server_id", "@@server_id", second_slave);
test->add_result(strcmp(first_slave, second_slave) == 0,
"Server IDs match when they shouldn't: %s - %s",
first_slave, second_slave);
test->tprintf("Unblocking all nodes\n");
test->repl->unblock_all_nodes();
sleep(15);
test->tprintf("Unblocked all nodes, expecting the server ID of the first slave server\n");
test->connect_readconn_slave();
find_field(test->conn_slave, "SELECT @@server_id", "@@server_id", second_slave);
test->add_result(strcmp(first_slave, second_slave) != 0,
"Server IDs don't match when they should: %s - %s",
first_slave, second_slave);
test->tprintf("Stopping replication on node %d\n", found + 1);
execute_query(test->repl->nodes[found], "stop slave");
sleep(15);
test->tprintf("Stopped replication, expecting a different slave\n");
test->connect_readconn_slave();
find_field(test->conn_slave, "SELECT @@server_id", "@@server_id", second_slave);
test->add_result(strcmp(first_slave, second_slave) == 0,
"Server IDs match when they shouldn't: %s - %s",
first_slave, second_slave);
test->tprintf("Starting replication on node %d\n", found + 1);
execute_query(test->repl->nodes[found], "start slave");
sleep(15);
test->tprintf("Started replication, expecting the server ID of the first slave server\n");
test->connect_readconn_slave();
find_field(test->conn_slave, "SELECT @@server_id", "@@server_id", second_slave);
test->add_result(strcmp(first_slave, second_slave) != 0,
"Server IDs don't match when they should: %s - %s",
first_slave, second_slave);
int rval = test->global_result;
delete test;
return rval;
}
