421e64ceeb
Take almost all warnings into use except `format-overflow` and `unused-function`. format-overflow needs to be handled in a separate commit.
159 lines
4.0 KiB
C++
159 lines
4.0 KiB
C++
/**
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* @file server_weight.cpp Checks if 'weightby' parameter works
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* - use Galera setup, configure Maxscale
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* @verbatim
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[RW Split Router]
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type=service
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router=readwritesplit
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servers=server1,server2,server3,server4
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weightby=serversize_rws
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user=skysql
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passwd=skysql
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[Read Connection Router]
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type=service
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router=readconnroute
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router_options=synced
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servers=server1,server2,server3,server4
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weightby=serversize
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user=skysql
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passwd=skysql
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[server1]
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type=server
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address=###server_IP_1###
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port=###server_port_1###
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protocol=MySQLBackend
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serversize=1
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serversize_rws=1
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[server2]
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type=server
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address=###server_IP_2###
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port=###server_port_2###
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protocol=MySQLBackend
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serversize=2
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serversize_rws=3000000
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[server3]
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type=server
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address=###server_IP_3###
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port=###server_port_3###
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protocol=MySQLBackend
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serversize=3
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serversize_rws=2000000
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[server4]
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type=server
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address=###server_IP_4###
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port=###server_port_4###
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protocol=MySQLBackend
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serversize=0
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serversize_rws=1000000
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@endverbatim
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* - create 60 connections to ReadConn master
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* - expect: node1 - 10, node2 - 20, node3 - 30, node4 - 0
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* - create 60 connections to RWSplit
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* - expect all connections on only one slave
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* - check error log, it should not contain "Unexpected parameter 'weightby'"
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*/
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#include "testconnections.h"
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void check_conn_num(TestConnections* Test, int * Nc)
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{
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for (int i = 0; i < 4; i++)
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{
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int conn_num = get_conn_num(Test->galera->nodes[i], Test->maxscales->IP[0], Test->maxscales->hostname[0],
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(char *) "test");
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Test->tprintf("connections to node %d: %u (expected: %u)\n", i, conn_num, Nc[i]);
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if ((i < 4) && (Nc[i] != conn_num))
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{
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Test->add_result(1, "Read: Expected number of connections to node %d is %d\n", i, Nc[i]);
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}
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}
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}
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int main(int argc, char *argv[])
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{
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int maxscale_conn_num = 60;
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MYSQL *conn_read[maxscale_conn_num];
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MYSQL *conn_rwsplit[0][maxscale_conn_num];
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TestConnections * Test = new TestConnections(argc, argv);
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Test->set_timeout(30);
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int i;
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Test->galera->connect();
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Test->tprintf("Connecting to ReadConnMaster on %s\n", Test->maxscales->IP[0]);
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for (i = 0; i < maxscale_conn_num; i++)
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{
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conn_read[i] = Test->maxscales->open_readconn_master_connection(0);
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}
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Test->stop_timeout();
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Test->tprintf("Sleeping 15 seconds\n");
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sleep(15);
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int Nc[4];
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Nc[0] = maxscale_conn_num / 6;
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Nc[1] = maxscale_conn_num / 3;
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Nc[2] = maxscale_conn_num / 2;
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Nc[3] = 0;
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Test->set_timeout(30);
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check_conn_num(Test, Nc);
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for (i = 0; i < maxscale_conn_num; i++)
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{
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mysql_close(conn_read[i]);
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}
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Test->stop_timeout();
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Test->tprintf("Sleeping 15 seconds\n");
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sleep(15);
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Test->set_timeout(30);
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Test->tprintf("Connecting to RWSplit on %s\n", Test->maxscales->IP[0]);
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for (i = 0; i < maxscale_conn_num; i++)
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{
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conn_rwsplit[0][i] = Test->maxscales->open_rwsplit_connection(0);
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}
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Test->stop_timeout();
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Test->tprintf("Sleeping 15 seconds\n");
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sleep(15);
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/** Readwritesplit should always create a connection to the master. For
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* this test we use the priority mechanism to force the first node as
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* the master since Galera clusters don't have a deterministic master node. */
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Nc[1] = maxscale_conn_num / 2;
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Nc[2] = maxscale_conn_num / 3;
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Nc[3] = maxscale_conn_num / 6;
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Nc[0] = maxscale_conn_num;
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Test->set_timeout(30);
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check_conn_num(Test, Nc);
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for (i = 0; i < maxscale_conn_num; i++)
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{
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mysql_close(conn_rwsplit[0][i]);
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}
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Test->galera->close_connections();
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Test->check_log_err(0, (char *) "Unexpected parameter 'weightby'", false);
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Test->check_log_err(0, (char *)
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"Weighting parameter 'serversize' with a value of 0 for server 'server4' rounds down to zero", true);
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// Pre-1.3.0 failure message
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//Test->check_log_err(0, (char *) "Server 'server4' has no value for weighting parameter 'serversize', no queries will be routed to this server", true);
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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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