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Added topology argument to dbsim to allow testing master/slave

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This commit is contained in:
Teemu Ollakka
2018-06-16 11:30:50 +03:00
parent 6dcac8ce4d
commit dae5231dfc
4 changed files with 45 additions and 5 deletions
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28
dbsim/db_params.cpp
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@ -6,6 +6,28 @@
#include <boost/program_options.hpp>
#include <iostream>
#include <stdexcept>
namespace
{
void validate_params(const db::params& params)
{
std::ostringstream os;
if (params.n_servers != params.topology.size())
{
if (params.topology.size() > 0)
{
os << "Error: --topology=" << params.topology << " does not "
<< "match the number of server --servers="
<< params.n_servers << "\n";
}
}
if (os.str().size())
{
throw std::invalid_argument(os.str());
}
}
}
db::params db::parse_args(int argc, char** argv)
{
@ -22,8 +44,10 @@ db::params db::parse_args(int argc, char** argv)
"wsrep provider options")
("servers", po::value<size_t>(&params.n_servers)->required(),
"number of servers to start")
("topology", po::value<std::string>(&params.topology),
"replication topology (e.g. mm for multi master, ms for master/slave")
("clients", po::value<size_t>(&params.n_clients)->required(),
"number of clients to start per server")
"number of clients to start per master")
("transactions", po::value<size_t>(&params.n_transactions),
"number of transactions run by a client")
("rows", po::value<size_t>(&params.n_rows),
@ -42,5 +66,7 @@ db::params db::parse_args(int argc, char** argv)
std::cerr << desc << "\n";
exit(0);
}
validate_params(params);
return params;
}