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