70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/**
|
|
* MXS-2609: Maxscale crash in RWSplitSession::retry_master_query()
|
|
*
|
|
* https://jira.mariadb.org/browse/MXS-2609
|
|
*
|
|
* This test attempts to reproduce the crash described in MXS-2609 which
|
|
* occurred during a retrying attempt of a session command that failed on
|
|
* the master.
|
|
*/
|
|
|
|
|
|
#include "testconnections.h"
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
TestConnections test(argc, argv);
|
|
|
|
auto block = [&test](int n){
|
|
test.repl->block_node(n);
|
|
test.maxscales->wait_for_monitor();
|
|
test.repl->unblock_node(n);
|
|
test.maxscales->wait_for_monitor();
|
|
};
|
|
auto conn = test.maxscales->rwsplit();
|
|
|
|
//
|
|
// Test 1: Master failure mid-reconnect should trigger query replay
|
|
//
|
|
|
|
test.expect(conn.connect(), "First connect should work: %s", conn.error());
|
|
|
|
// Queue up session commands so that the history replay takes some time
|
|
for (int i = 0; i < 10; i++)
|
|
{
|
|
conn.query("SET @a = (SLEEP 1)");
|
|
}
|
|
|
|
block(0);
|
|
|
|
test.set_timeout(90);
|
|
|
|
std::thread([&](){
|
|
sleep(5);
|
|
block(0);
|
|
}).detach();
|
|
|
|
test.expect(conn.query("SELECT @@last_insert_id"), "Query should work: %s", conn.error());
|
|
|
|
test.stop_timeout();
|
|
conn.disconnect();
|
|
|
|
//
|
|
// Test 2: Exceed history limit and trigger a master reconnection
|
|
//
|
|
|
|
test.maxctrl("alter service RW-Split-Router max_sescmd_history 2");
|
|
test.expect(conn.connect(), "Second should work: %s", conn.error());
|
|
|
|
for (int i = 0; i < 5; i++)
|
|
{
|
|
conn.query("SET @a = (SLEEP 1)");
|
|
}
|
|
|
|
block(0);
|
|
|
|
test.expect(!conn.query("SELECT @@last_insert_id"), "Query should fail");
|
|
|
|
return test.global_result;
|
|
}
|