86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/**
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* @file rwsplit_conn_num.cpp Checks connections are distributed equaly among backends
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* - create 100 connections to RWSplit
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* - check all slaves have equal number of connections
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* - check sum of number of connections to all slaves is equal to 100
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*/
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#include <iostream>
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#include "testconnections.h"
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using namespace std;
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int main(int argc, char *argv[])
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{
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TestConnections * Test = new TestConnections(argc, argv);
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Test->set_timeout(20);
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Test->repl->connect();
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const int TestConnNum = 100;
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MYSQL *conn[TestConnNum];
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int i;
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int conn_num;
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int res = 0;
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MYSQL * backend_conn;
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for (i = 0; i < Test->repl->N; i++)
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{
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backend_conn = open_conn(Test->repl->port[i], Test->repl->IP[i], Test->repl->user_name, Test->repl->password,
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Test->repl->ssl);
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execute_query(backend_conn, "SET GLOBAL max_connections = 200;");
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mysql_close(backend_conn);
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}
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Test->tprintf("Creating %d connections to RWSplit router\n", TestConnNum);
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for (i = 0; i < TestConnNum; i++)
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{
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conn[i] = Test->maxscales->open_rwsplit_connection(0);
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}
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Test->tprintf("Waiting 5 seconds\n");
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sleep(5);
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int ConnFloor = floor((float)TestConnNum / (Test->repl->N - 1));
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int ConnCell = ceil((float)TestConnNum / (Test->repl->N - 1));
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int TotalConn = 0;
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Test->tprintf("Checking connections to Master: should be %d\n", TestConnNum);
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conn_num = get_conn_num(Test->repl->nodes[0], Test->maxscales->ip(0), Test->maxscales->hostname[0], (char *) "test");
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if (conn_num != TestConnNum)
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{
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Test->add_result(1, "number of connections to Master is %d\n", conn_num);
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}
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Test->tprintf("Number of connections to each slave should be between %d and %d\n", ConnFloor, ConnCell);
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Test->tprintf("Checking connections to each node\n");
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for (int i = 1; i < Test->repl->N; i++)
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{
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conn_num = get_conn_num(Test->repl->nodes[i], Test->maxscales->ip(0), Test->maxscales->hostname[0], (char *) "test");
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TotalConn += conn_num;
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Test->tprintf("Connections to node %d (%s):\t%d\n", i, Test->repl->IP[i], conn_num);
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if ((conn_num > ConnCell) || (conn_num < ConnFloor))
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{
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Test->add_result(1, "wrong number of connections to node %d\n", i);
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}
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}
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Test->tprintf("Total number of connections %d\n", TotalConn);
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if (TotalConn != TestConnNum)
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{
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Test->add_result(1, "total number of connections is wrong\n");
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}
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for (i = 0; i < TestConnNum; i++)
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{
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mysql_close(conn[i]);
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}
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int rval = Test->global_result;
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delete Test;
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return rval;
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}
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