int
main(int argc, char* argv[])
{
cout << "processing configuration options ..." << endl;
// pointers to options we will create for the grid server program
option_t* opt_server_host = 0;
option_t* opt_connect_port = 0;
const option_level_cnt = 3;
option_group_t options(option_level_cnt);
W_COERCE(options.add_option("connect_port", "1024 < integer < 65535",
"1234", "port for connecting to grid server",
false, option_t::set_value_long,
opt_connect_port));
W_COERCE(options.add_option("server_host", "host address",
"localhost", "address of host running server",
false, option_t::set_value_charstr,
opt_server_host));
if (init_config_options(options, "client", argc, argv)) {
usage(options);
exit(1);
}
// there should not be any other command line arguments
if (argc > 1) {
usage(options);
exit(1);
}
int port = strtol(opt_connect_port->value(), 0, 0);
cout << "trying to connect to server at port " << port<< endl;
if (!connect_to_server(opt_server_host->value(), port)) {
cerr << "Shutting down due to connection failure" << endl;
exit(1);
}
process_user_commands();
disconnect_from_server();
cout << "Finished!" << endl;
return 0;
}
void smthread_main_t::run()
{
rc_t rc;
// pointers to options we will create for the grid server program
option_t* opt_device_name = 0;
option_t* opt_device_quota = 0;
option_t* opt_num_rec = 0;
option_t* opt_rec_size = 0;
if(debug) {
outstream << "processing configuration options ..."
<< " argc " << argc
<< endl;
for(int i=0; i < argc; i++) {
outstream << " -------- argv["<<i<<"]=" << argv[i] << endl;
}
sendout();
}
const int option_level_cnt = 3;
option_group_t options(option_level_cnt);
W_COERCE(options.add_option("device_name", "device/file name",
NULL, "device containg volume holding file to scan",
true, option_t::set_value_charstr,
opt_device_name));
W_COERCE(options.add_option("device_quota", "# > 1000",
"2000", "quota for device",
false, option_t::set_value_long,
opt_device_quota));
W_COERCE(options.add_option("num_rec", "# > 0",
NULL, "number of records in file",
true, option_t::set_value_long,
opt_num_rec));
W_COERCE(options.add_option("rec_size", "# > 0",
"7800", "size for records",
false, option_t::set_value_long,
opt_rec_size));
// have the SSM add its options to the group
W_COERCE(ss_m::setup_options(&options));
rc = init_config_options(options, "server", argc, argv);
if (rc.is_error()) {
usage(options);
retval = 1;
return;
}
int cmdline_nrecords(-1); // trumps config options if set
int nrecords(0); // set by config options
// process command line: looking for the "-i" flag
bool init_device = false;
int option;
int nthreads(1);
while ((option = getopt(argc, argv, "Adn:hit:")) != -1) {
if(debug) {
outstream << "option " << option << endl;
sendout();
}
switch (option) {
case 'A' :
append_only = true;
if(debug) {
outstream << "append only " << endl;
sendout();
}
break;
case 'd' :
debug = true;
break;
case 'n' :
cmdline_nrecords = strtol(optarg, 0, 0);
break;
case 'h' :
usage(options);
retval = 1;
return;
break;
case 'i' :
{
if (init_device) {
cerr << "Error only one -i parameter allowed" << endl;
usage(options);
retval = 1;
return;
}
init_device = true;
}
break;
case 't' :
nthreads = strtol(optarg, 0, 0);
break;
default:
usage(options);
retval = 1;
return;
break;
}
}
outstream << "Starting SSM and performing recovery ..." << endl;
sendout();
ssm = new ss_m();
if (!ssm) {
cerr << "Error: Out of memory for ss_m" << endl;
retval = 1;
return;
}
smksize_t quota = strtol(opt_device_quota->value(), 0, 0);
nrecords = strtol(opt_num_rec->value(), 0, 0);
smsize_t rec_size = strtol(opt_rec_size->value(), 0, 0);
rid_t start_rid;
stid_t fid;
if(cmdline_nrecords > 0) {
outstream << " num rec of " << cmdline_nrecords
<< " overrides config option num rec of " << nrecords
<< endl;
sendout();
nrecords = cmdline_nrecords;
}
rc = setup_device_and_volume(opt_device_name->value(),
init_device, quota);
if (rc.is_error()) {
cerr << "could not set up device/volume due to: " << endl;
cerr << rc << endl;
delete ssm;
rc = RCOK; // force deletion of w_error_t info hanging off rc
// otherwise a leak for w_error_t will be reported
retval = 1;
if(rc.is_error())
W_COERCE(rc); // avoid error not checked.
return;
}
outstream << "************ vid " << vid << endl;
sendout();
outstream << "************ NTHREADS " << nthreads << endl;
sendout();
/* fork off the correct number of threads */
threadptr * subthreads = new threadptr [nthreads];
if(init_device) {
for(int i=0; i<nthreads; i ++)
{
int nrecs = nrecords/(i?i:1) +1;
subthreads[i] =
new smthread_creator_t(vid, i, nrecs, rec_size, append_only);
#if defined(DEBUG_DESPERATE) && defined(USING_VALGRIND)
if(RUNNING_ON_VALGRIND)
{
check_definedness(subthreads[i], sizeof(smthread_creator_t));
check_valgrind_errors(__LINE__, __FILE__);
}
#endif
}
} else {
for(int i=0; i<nthreads; i ++)
{
int nrecs = nrecords/(i?i:1) +1;
subthreads[i] =
new smthread_scanner_t(vid, i, nrecs, rec_size);
}
}
for(int i=0; i<nthreads; i ++)
{
subthreads[i]->fork();
}
for(int i=0; i<nthreads; i ++)
{
subthreads[i]->join();
}
for(int i=0; i<nthreads; i ++)
{
delete subthreads[i];
}
delete[] subthreads;
outstream << "\nShutting down SSM ..." << endl;
sendout();
delete ssm;
outstream << "*******************************************" << endl;
outstream << "Finished! return value=" << retval << endl;
outstream << "*******************************************" << endl;
sendout();
}
/**\defgroup EGOPTIONS Example of setting up options.
* This method creates configuration options, starts up
* the storage manager,
*/
w_rc_t smthread_main_t::handle_options()
{
option_t* opt_device_name = 0;
option_t* opt_device_quota = 0;
option_t* opt_num_rec = 0;
cout << "Processing configuration options ..." << endl;
// Create an option group for my options.
// I use a 3-level naming scheme:
// executable-name.server.option-name
// Thus, the file will contain lines like this:
// create_rec.server.device_name : /tmp/example/device
// *.server.device_name : /tmp/example/device
// create_rec.*.device_name : /tmp/example/device
//
const int option_level_cnt = 3;
_options = new option_group_t (option_level_cnt);
if(!_options) {
cerr << "Out of memory: could not allocate from heap." <<
endl;
retval = 1;
return RC(fcINTERNAL);
}
option_group_t &options(*_options);
W_COERCE(options.add_option("device_name", "device/file name",
NULL, "device containg volume holding file to scan",
true, option_t::set_value_charstr,
opt_device_name));
W_COERCE(options.add_option("device_quota", "# > 1000",
"2000", "quota for device",
false, option_t::set_value_long,
opt_device_quota));
// Default number of records to create is 1.
W_COERCE(options.add_option("num_rec", "# > 0",
"1", "number of records in file",
true, option_t::set_value_long,
opt_num_rec));
// Have the SSM add its options to my group.
W_COERCE(ss_m::setup_options(&options));
cout << "Finding configuration option settings." << endl;
w_rc_t rc = init_config_options(options, "server", _argc, _argv);
if (rc.is_error()) {
usage(options);
retval = 1;
return rc;
}
cout << "Processing command line." << endl;
// Process the command line
int option;
while ((option = getopt(_argc, _argv, "hit:n:s:r:dpo:")) != -1) {
switch (option) {
case 'i' :
_initialize_device = true;
break;
case 's' : // how many iterations for scan
_scan_file = atoi(optarg);
break;
case 'h' :
usage(options);
break;
case 't': // which test to run
_test_no = atoi(optarg);
break;
case 'n':
_num_parts = atoi(optarg);
break;
case 'r':
_rec_size = atoi(optarg);
break;
case 'd': // dora
_bIgnoreLocks = true;
break;
case 'p': // plp
_bIgnoreLatches = true;
break;
case 'o': // which mrbt design
_design_no = atoi(optarg);;
break;
default:
usage(options);
retval = 1;
return RC(fcNOTIMPLEMENTED);
break;
}
}
{
cout << "Checking for required options...";
/* check that all required options have been set */
w_ostrstream err_stream;
w_rc_t rc = options.check_required(&err_stream);
if (rc.is_error()) {
cerr << "These required options are not set:" << endl;
cerr << err_stream.c_str() << endl;
return rc;
}
cout << "Options OK; values are: { " << endl;
options.print_values(false, cout);
cout << "} end list of options values. " << endl;
}
// Grab the options values for later use by run()
_device_name = opt_device_name->value();
_quota = strtol(opt_device_quota->value(), 0, 0);
_num_rec = strtol(opt_num_rec->value(), 0, 0);
// print the options
cout << "DESIGN: " << _design_no << endl
<< "TEST: " << _test_no << endl
<< "_num_rec: " << _num_rec << endl
<< "_rec_size: " << _rec_size << endl
<< " _initialize_device: " << _initialize_device << endl
<< "_num_parts: " << _num_parts << endl
<< "_scan_file: " << _scan_file << endl
<< "_bIgnoreLocks: " << _bIgnoreLocks << endl
<< "_bIgnoreLatches: " << _bIgnoreLatches << endl;
return RCOK;
}