int main()
{
//Stel onderstaande poorten in op Output en laad allemaal enen in
DDRA=0xFF;
DDRB=0xFF;
DDRC=0xFF;
PORTA=0xFF;
PORTB=0xFF;
PORTC=0xFF;
//Stel de timer in die een interrupt genereert bij en overflow
TCCR0=0x05;
TIMSK=0x01;
//Stel odnerstaande poorten in op Input en laad allemaal enen in
DDRE=0x00;
PINE=0xFF;
serial.init();
// Aanmaken van de verschillende autolichtobjecten
AutoLicht azl(0xFE, 0xFD, 0xFB, ADRESPORTB);
AutoLicht azr(0xF7, 0xEF, 0xDF, ADRESPORTB);
AutoLicht ahl(0xFE, 0xFD, 0xFB, ADRESPORTC);
AutoLicht ahr(0xF7, 0xEF, 0xDF, ADRESPORTC);
// Aanmaken van de verschillende voetgangerlichtobjecten
VoetgangerLicht vhr(0xFE, 0xFD, ADRESPORTA);
VoetgangerLicht vz(0xBF, 0x7F, ADRESPORTB);
VoetgangerLicht vhl(0xBF, 0x7F, ADRESPORTC);
List<VoetgangerLicht*> l1, l2, l3;
List<Scenario*> s;
//Lijst l1 vullen
l1.push_back(&azl);
l1.push_back(&azr);
//Lijst l2 vullen
l2.push_back(&ahl);
l2.push_back(&ahr);
//Lijst l3 vullen
l3.push_back(&vhr);
l3.push_back(&vz);
l3.push_back(&vhl);
//Scenario's definieren
Scenario s1(&l1, &variabelebeheerder);
Scenario s2(&l2, &variabelebeheerder);
Scenario s3(&l3, &variabelebeheerder);
s.push_back(&s1);
s.push_back(&s2);
s.push_back(&s3);
variabelebeheerder.zetAantalScenarios(3);
//Scenario's toekennen aan sensoren
svz.kenScenarioToe(&s3);
svhr.kenScenarioToe(&s3);
svhl.kenScenarioToe(&s3);
sahr.kenScenarioToe(&s2);
sahl.kenScenarioToe(&s2);
sazl.kenScenarioToe(&s1);
sazr.kenScenarioToe(&s1);
VerkeersRegelaar vr(&s, &wachtrijbeheerder, &variabelebeheerder);
sei(); //Zet interrupts aan
while(1) {
vr.kiesFunctie();
}
}
std::pair<bool /*success*/, std::string /* message */>
ivy_engine::startup(
const std::string& output_folder_root,
const std::string& test_name,
const std::string& ivyscript_filename,
const std::string& hosts_string,
const std::string& select_available_test_LUNs)
{
std::string api_log_entry;
{
std::ostringstream o;
o << "ivy engine API startup("
<< "output_folder_root = " << output_folder_root
<< ", test_name = " << test_name
<< ", ivyscript_filename = " << ivyscript_filename
<< ", test_hosts = " << hosts_string
<< ", select = " << select_available_test_LUNs
<< ")" << std::endl;
std::cout << o.str();
api_log_entry = o.str();
}
outputFolderRoot = output_folder_root;
testName = test_name;
struct stat struct_stat;
if( stat(outputFolderRoot.c_str(),&struct_stat))
{
std::ostringstream o;
o << "<Error> directory \"" << outputFolderRoot << "\" does not exist." << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
if(!S_ISDIR(struct_stat.st_mode))
{
std::ostringstream o;
o << "<Error> \"" << outputFolderRoot << "\" is not a directory." << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
testFolder=outputFolderRoot + std::string("/") + testName;
if(0==stat(testFolder.c_str(),&struct_stat)) // output folder already exists
{
if(!S_ISDIR(struct_stat.st_mode))
{
std::ostringstream o;
o << "<Error> Output folder for this test run \"" << testFolder << "\" already exists but is not a directory." << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
// output folder already exists and is a directory, so we delete it to make a fresh one.
if (0 == system((std::string("rm -rf ")+testFolder).c_str())) // ugly but easy.
{
std::ostringstream o;
o << " Deleted pre-existing folder \"" << testFolder << "\"." << std::endl;
std::cout << o.str();
}
else
{
std::ostringstream o;
o << "<Error> Failed trying to delete previously existing version of test run output folder \"" << testFolder << "\"." << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
}
if (mkdir(testFolder.c_str(),S_IRWXU | S_IRWXG | S_IRWXO))
{
std::ostringstream o;
o << "<Error> Failed trying to create output folder \"" << testFolder << "\" << errno = " << errno << " " << strerror(errno) << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
std::cout << " Created test run output folder \"" << testFolder << "\"." << std::endl;
if (mkdir((testFolder+std::string("/logs")).c_str(),S_IRWXU | S_IRWXG | S_IRWXO))
{
std::ostringstream o;
o << "<Error> - Failed trying to create logs subfolder in output folder \"" << testFolder << "\" << errno = " << errno << " " << strerror(errno) << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
masterlogfile = testFolder + std::string("/logs/log.ivymaster.txt");
ivy_engine_logfile = testFolder + std::string("/logs/ivy_engine_API_calls.txt");
log(masterlogfile, api_log_entry);
log(ivy_engine_logfile, api_log_entry);
{
std::ostringstream o;
o << "ivy version " << ivy_version << " build date " << IVYBUILDDATE << " starting." << std::endl << std::endl;
log(masterlogfile,o.str());
}
if (!routine_logging)
{
std::ostringstream o;
o << "For logging of routine (non-error) events, and to record the conversation with each ivydriver/ivy_cmddev, use the ivy -log command line option, like \"ivy -log a.ivyscript\".\n\n";
log(masterlogfile,o.str());
}
if (ivyscript_filename.size() > 0)
{
std::string copyivyscriptcmd = std::string("cp -p ") + ivyscript_filename + std::string(" ") +
testFolder + std::string("/") + testName + std::string(".ivyscript");
if (0!=system(copyivyscriptcmd.c_str())) // now getting lazy, but purist maintainers could write C++ code to do this.
{
std::ostringstream o;
o << "<Error> Failed trying to copy input ivyscript to output folder: \"" << copyivyscriptcmd << "\"." << std::endl;
log(masterlogfile,o.str());
std::cout << o.str();
return std::make_pair(false,o.str());
}
}
std::pair<bool,std::string> retval = rollups.initialize();
if (!retval.first)
{
std::ostringstream o;
o << "<Error> Internal programming error - failed initializing rollups in ivymaster.cpp saying: " << retval.second << std::endl;
log(masterlogfile,o.str());
std::cout << o.str();
return std::make_pair(false,o.str());
}
test_start_time.setToNow();
initialize_io_time_clip_levels();
availableControllers[toLower(std::string("measure"))] = &the_dfc;
auto rv = random_steady_template.setParameter("iosequencer=random_steady");
if ( ! rv.first)
{
std::ostringstream o;
o << "<Error> dreaded internal programming error - ivymaster startup - failed trying to set the default random steady I/O generator template - " << rv.second << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
rv = random_independent_template.setParameter("iosequencer=random_independent");
if ( !rv.first )
{
std::ostringstream o;
o << "<Error> dreaded internal programming error - ivymaster startup - failed trying to set the default random independent I/O generator template - " << rv.second << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
rv = sequential_template.setParameter("iosequencer=sequential");
if ( !rv.first )
{
std::ostringstream o;
o << "<Error> dreaded internal programming error - ivymaster startup - failed trying to set the default sequential I/O generator template - " << rv.second << std::endl;
std::cout << o.str();
return std::make_pair(false,o.str());
}
hosts_list test_hosts;
if (!test_hosts.compile(hosts_string))
{
std::ostringstream o;
o << "<Error> failed parsing list of test hosts \"" << hosts_string << "\" - " << test_hosts.message;
return std::make_pair(false,o.str());
}
for (auto& s: test_hosts.hosts) { hosts.push_back(s);}
write_clear_script(); // This writes a shell script to run the clear_hung_ivy_threads executable on all involved hosts - handy if you are a developer and you mess things up
if (hosts.size() == 0)
{
std::ostringstream o;
o << "<Error> ivy engine startup failed - No hosts specified." << std::endl;
return std::make_pair(false,o.str());
}
JSON_select select;
if (!select.compile_JSON_select(select_available_test_LUNs))
{
std::ostringstream o;
o << "<Error> ivy engine startup failure - invalid select expression for available test LUNs \"" << select_available_test_LUNs << "\" - error message follows: " << select.error_message << std::endl;
log(masterlogfile,o.str());
std::cout << o.str();
kill_subthreads_and_exit();
}
{ std::ostringstream o; o << "select " << select << std::endl; std::cout << o.str(); log(masterlogfile,o.str()); }
if
(
(!select.contains_attribute("serial_number"))
&&
(!select.contains_attribute("vendor"))
)
{
std::ostringstream o;
o << "<Error> ivy engine startup failure - select for available test LUNs \"" << select_available_test_LUNs << "\" - must specify either \"serial_number\" or \"vendor\"." << std::endl;
return std::make_pair(false,o.str());
}
for ( auto& host : hosts )
{
if (routine_logging) { std::cout << "Starting thread for " << host << std::endl; }
log( masterlogfile, std::string("Starting thread for ") + host + std::string("\n") );
pipe_driver_subthread* p_pipe_driver_subthread = new pipe_driver_subthread
(
host,
outputFolderRoot,
testName,
testFolder+std::string("/logs")
);
host_subthread_pointers[host] = p_pipe_driver_subthread;
threads.push_back(std::thread(invokeThread,p_pipe_driver_subthread));
}
ofstream ahl(testFolder+std::string("/all_discovered_LUNs.txt"));
ofstream ahl_csv(testFolder+std::string("/all_discovered_LUNs.csv"));
{
std::ostringstream o;
o << std::endl << "Note:" << std::endl
<< "Sometimes the ssh command to start up ivydriver on a test host can take a long time when waiting for DNS timeouts. "
<< "This can be speeded up by editing /etc/nsswitch.conf / resolv.conf to use /etc/hosts first, or options for the sshd daemon can be edited; search for \"ssh login timeout\"." << std::endl << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
}
bool first_host {true};
for (auto& pear : host_subthread_pointers)
{
{
std::unique_lock<std::mutex> u_lk(pear.second->master_slave_lk);
std::chrono::system_clock::time_point leftnow {std::chrono::system_clock::now()};
if
(
pear.second->master_slave_cv.wait_until
(
u_lk,
leftnow + std::chrono::seconds(ivy_ssh_timeout),
[&pear]() { return pear.second->startupComplete || pear.second->dead; }
)
)
{
if (pear.second->startupSuccessful)
{
std::ostringstream o;
o << "pipe_driver_subthread successful fireup for host " << pear.first << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
}
else
{
std::ostringstream o;
o << "Aborting - unsuccessful startup for ivydriver on host " << pear.first << ". Reason: \"" << pear.second->commandErrorMessage << "\"." << std::endl;
o << std::endl << "Usually if try to run ivy again, it will work the next time. Don\'t know why this happens." << std::endl;
o << std::endl << "Run the \"clear_hung_ivy_threads.sh\" script to clear any hung ivy / ivydriver / ivy_cmddev threads on the ivy master host and all test hosts." << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
u_lk.unlock();
kill_subthreads_and_exit(); // doesn't return
}
}
else
{
std::ostringstream o;
o << "Aborting - timeout waiting " << timeout_seconds << " seconds for pipe_driver_subthread fireup for host " << pear.first << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
u_lk.unlock();
kill_subthreads_and_exit(); // doesn't return
}
}
{ostringstream o; o << "Subthread for \"" << pear.first << "\" posted startupComplete." << std::endl; std::cout << o.str(); log(masterlogfile,o.str());}
for (auto& pLUN : pear.second->thisHostLUNs.LUNpointers)
{
allDiscoveredLUNs.LUNpointers.push_back(pLUN);
ahl << pLUN->toString() << std::endl;
}
//*debug*/{ostringstream o; o << "Loop for \"" << pear.first << "\" about to copy on sample LUN." << std::endl; std::cout << o.str(); log(masterlogfile,o.str());}
//*debug*/{ostringstream o; o << "Loop for \"" << pear.first << "\" HostSampleLUN=" << pear.second->HostSampleLUN.toString() << std::endl; std::cout << o.str(); log(masterlogfile,o.str());}
TheSampleLUN.copyOntoMe(&pear.second->HostSampleLUN);
if (first_host) {ahl_csv << pear.second->lun_csv_header;}
ahl_csv << pear.second->lun_csv_body.str();
first_host = false;
}
ahl.close();
ahl_csv.close();
allThreadsSentTheLUNsTheySee=true;
/*debug*/
if (routine_logging){
ostringstream o;
o <<"allDiscoveredLUNs contains:"<<std::endl<< allDiscoveredLUNs.toString() <<std::endl;
//std::cout<<o.str();
log(masterlogfile,o.str());
}
else
{
ostringstream o;
o <<"Discovered " << allDiscoveredLUNs.LUNpointers.size() << " LUNs on the test hosts." << std::endl;
//std::cout<<o.str();
log(masterlogfile,o.str());
}
if (0 == allDiscoveredLUNs.LUNpointers.size())
{
std::ostringstream o;
o << ivyscript_line_number << ": \"" << ivyscript_line << "\"" << std::endl;
o << "No LUNs were found on any of the hosts." << std::endl;
std::cout << o.str();
log (masterlogfile,o.str());
ivyscriptIfstream.close();
kill_subthreads_and_exit();
}
allDiscoveredLUNs.split_out_command_devices_into(commandDeviceLUNs);
/*debug*/
{
ostringstream o;
o <<"commandDeviceLUNs contains:"<<std::endl<< commandDeviceLUNs.toString() <<std::endl;
//std::cout<<o.str();
log(masterlogfile,o.str());
}
for (LUN* pLUN : allDiscoveredLUNs.LUNpointers)
{
if (select.matches(pLUN))
{
if ( pLUN->attribute_value_matches("ldev", "FF:FF" )
&& pLUN->attribute_value_matches("ldev_type", "" )
&& ( pLUN->attribute_value_matches("product", "DISK-SUBSYSTEM") || pLUN->attribute_value_matches("product","OPEN-V") ) )
{
; // Ignore "phantom LUNs" that have been deleted on the subsystem but for which a /dev/sdxxx entry still exists.
}
else if ( pLUN->attribute_value_matches("ldev", "FF:FF")
&& pLUN->attribute_value_matches("ldev_type", "phantom LUN") )
{
; // Ignore "phantom LUNs" that have been deleted on the subsystem but for which a /dev/sdxxx entry still exists.
}
else
{
availableTestLUNs.LUNpointers.push_back(pLUN);
}
}
}
if ( 0 == availableTestLUNs.LUNpointers.size() )
{
std::ostringstream o;
o << "No LUNs matched [hosts] statement [select] clause." << std::endl;
//p_Select->display("",o);
std::cout << o.str();
log(masterlogfile,o.str());
kill_subthreads_and_exit();
}
for (auto& pLUN : availableTestLUNs.LUNpointers) pLUN -> createNicknames();
// Now we create the Subsystem objects
for (auto& pLUN : availableTestLUNs.LUNpointers)
{
std::string serial_number = pLUN->attribute_value(std::string("serial_number"));
trim(serial_number);
Subsystem* pSubsystem;
auto subsystemIt = subsystems.find(serial_number);
if (subsystems.end() == subsystemIt)
{
std::string product = pLUN->attribute_value("product");
trim(product);
if (0 == product.compare(std::string("OPEN-V")))
{
pSubsystem = new Hitachi_RAID_subsystem(serial_number, pLUN);
}
else
{
pSubsystem = new Subsystem(serial_number);
}
subsystems[serial_number] = pSubsystem;
}
else
{
pSubsystem = (*subsystemIt).second;
}
pSubsystem->add(pLUN);
}
// For each subsystem that the available test LUNs map to,
// for the first available real-time interface,
// start up the appropriate subthread to drive that interface.
// Which means - for each Hitachi RAID subsystem, use the first command device
// in commandDeviceLUNs that leads to that subsystem and start an
// pipe_driver_subthread, which fires up the ivy_cmddev executable remotely via ssh
// communicating via stdin/stdout pipes the same way we communicate with remote ivydriver instances.
for (auto& pear : subsystems)
{
Subsystem* pSubsystem = pear.second;
if (0 == std::string("Hitachi RAID").compare(pSubsystem->type()))
{
Hitachi_RAID_subsystem* pRAIDsubsystem {(Hitachi_RAID_subsystem*) pSubsystem};
bool have_cmd_dev_this_subsystem = false;
if (m_s.use_command_device) for (auto& pL : commandDeviceLUNs.LUNpointers)
// for each command device LUN as candidate to match as first command device for this subsystem.
{
if (0 == pSubsystem->serial_number.compare(pL->attribute_value("serial_number")))
// we have found the first command device for this subsystem
{
// fire up command device thread
std::string cmd_dev_description;
{
std::ostringstream o;
o << "command device for " << pL->attribute_value("Hitachi_product") << " " << pL->attribute_value("HDS_product")
<< " serial number " << pSubsystem->serial_number
<< " on host = " << pL->attribute_value("ivyscript_hostname")
<< ", subsystem port = " << pL->attribute_value("port")
<< ", LDEV = " << pL->attribute_value("LDEV")
<< std::endl;
cmd_dev_description = o.str();
}
std::string cmddevLDEV = pL->attribute_value("LDEV");
if (cmddevLDEV.length() >= 5 && ':' == cmddevLDEV[2]) cmddevLDEV.erase(2,1);
std::ostringstream o;
o << "Connecting to " << cmd_dev_description << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
pipe_driver_subthread* p_pipe_driver_subthread = new pipe_driver_subthread(
pL->attribute_value("ivyscript_hostname")
, outputFolderRoot
, testName,
testFolder+std::string("/logs")
);
p_pipe_driver_subthread->pCmdDevLUN = pL; // Seeing this set tells the subthread it's running a command device.
p_pipe_driver_subthread->p_Hitachi_RAID_subsystem = pRAIDsubsystem;
pRAIDsubsystem->command_device_description = cmd_dev_description;
pRAIDsubsystem->pRMLIBthread=p_pipe_driver_subthread;
command_device_subthread_pointers[pSubsystem->serial_number] = p_pipe_driver_subthread;
ivymaster_RMLIB_threads.push_back(std::thread(invokeThread,p_pipe_driver_subthread));
// Note: I wasn't sure, since std::thread is not copyable but is moveable, how to handle
// the case when the command device doesn't start up correctly. So in the interest of
// time, I left any unsuccessful-startup command device threads in moribund state
// in ivymaster_RMLIB_threads to be joined when ivy shuts down.
// wait with timeout for thread status to show "startupComplete", i.e. waiting for command;
{
std::unique_lock<std::mutex> u_lk(p_pipe_driver_subthread->master_slave_lk);
std::chrono::system_clock::time_point leftnow {std::chrono::system_clock::now()};
if
(
p_pipe_driver_subthread->master_slave_cv.wait_until
(
u_lk,
leftnow + std::chrono::seconds(ivy_ssh_timeout),
[&p_pipe_driver_subthread](){return p_pipe_driver_subthread->startupComplete || p_pipe_driver_subthread->dead;}
)
)
{
if (p_pipe_driver_subthread->startupSuccessful)
{
std::ostringstream o;
o << "ivy_cmddev pipe_driver_subthread successful fireup for subsystem " << pSubsystem->serial_number << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
haveCmdDev = true;
have_cmd_dev_this_subsystem = true;
}
else
{
std::ostringstream o;
o << "Unsuccessful startup for command device = " << cmd_dev_description << std::endl
<< "Reason - " << p_pipe_driver_subthread->commandErrorMessage << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
pRAIDsubsystem->command_device_description.clear();
pRAIDsubsystem->pRMLIBthread=nullptr;
}
}
else
{
std::ostringstream o;
o << "Timeout waiting " << timeout_seconds << " seconds for for startup of command device = " << cmd_dev_description << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
pRAIDsubsystem->command_device_description.clear();
pRAIDsubsystem->pRMLIBthread=nullptr;
}
}
if (!have_cmd_dev_this_subsystem) continue; // This command device did not start up OK - try the next one if we have another to the same subsystem.
// Maybe there is a command device perhaps on a different host that does have RMLIB installed,
// does have a valid license key installed, and does have the ivy_cmddev executable.
// Command device reports startup complete
// gather config
ivytime config_gather_start;
config_gather_start.setToNow();
std::chrono::system_clock::time_point
start_getconfig_time_point { std::chrono::system_clock::now() };
{
std::unique_lock<std::mutex> u_lk(p_pipe_driver_subthread->master_slave_lk);
p_pipe_driver_subthread->commandString = std::string("get config");
p_pipe_driver_subthread->command=true;
p_pipe_driver_subthread->commandComplete=false;
p_pipe_driver_subthread->commandSuccess=false;
p_pipe_driver_subthread->commandErrorMessage.clear();
{
std::ostringstream o;
o << "Posted \"get config\" to thread for subsystem serial " << pRAIDsubsystem->serial_number << " managed on host " << p_pipe_driver_subthread->ivyscript_hostname << '.' << std::endl;
log(masterlogfile,o.str());
}
}
p_pipe_driver_subthread->master_slave_cv.notify_all();
{
std::unique_lock<std::mutex> u_lk(p_pipe_driver_subthread->master_slave_lk);
if
(
p_pipe_driver_subthread->master_slave_cv.wait_until
(
u_lk,
start_getconfig_time_point + std::chrono::seconds(get_config_timeout_seconds /* see ivydefines.h */),
[&p_pipe_driver_subthread](){ return p_pipe_driver_subthread->commandComplete || p_pipe_driver_subthread->dead; }
)
)
{
if (!p_pipe_driver_subthread->commandSuccess)
{
std::ostringstream o;
o << "\"get config\" to thread for subsystem serial " << pRAIDsubsystem->serial_number
<< " managed on host " << p_pipe_driver_subthread->ivyscript_hostname << " failed. Aborting." << std::endl;
log(masterlogfile,o.str());
kill_subthreads_and_exit();
}
ivytime config_gather_complete;
config_gather_complete.setToNow();
pRAIDsubsystem->config_gather_time = config_gather_complete - config_gather_start;
{
std::ostringstream o;
o << "\"get config\" reported complete with duration " << pRAIDsubsystem->config_gather_time.format_as_duration_HMMSSns()
<< " by thread for subsystem serial " << pRAIDsubsystem->serial_number << " managed on host " << p_pipe_driver_subthread->ivyscript_hostname << '.' << std::endl;
log(masterlogfile,o.str());
}
}
else // timeout
{
std::ostringstream o;
o << "Aborting - timeout waiting " << get_config_timeout_seconds
<< " seconds for pipe_driver_subthread for subsystem " << pRAIDsubsystem->serial_number
<< " managed on host " << p_pipe_driver_subthread->ivyscript_hostname
<< " to complete a \"get config\"." << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
u_lk.unlock();
kill_subthreads_and_exit();
}
}
// post process after gather to augment available test LUN attributes with LDEV attributes from the config gather
for (auto pLUN : availableTestLUNs.LUNpointers)
{
if ( 0 == std::string("Hitachi RAID").compare(pSubsystem->type()) && 0 == pSubsystem->serial_number.compare(pLUN->attribute_value("serial_number")))
{
// for each test LUN, if we are processing a Hitachi RAID subsystem with a given serial number and the test LUN serial_number matches the subsystem
// 1) if CLPR is non-empty add the <CLPR,serial_number> pair to cooldown_WP_watch_set
// 2) copy the LDEV's RMLIB attributes to the test LUN.
// put a suffix "_RMLIB" if the test LUN already has the attribute name (from the SCSI Inquiry LUN lister tool" showluns.sh").
if (0 < pLUN->attribute_value("CLPR").length())
{
cooldown_WP_watch_set.insert(std::make_pair(pLUN->attribute_value("CLPR"),pSubsystem));
}
// Copy the LDEV attributes obtained from a command device to the corresponding available test LUN,
// appending "_RMLIB" upon attribute name collisions.
// NOTE - in the LUN object all map keys are first translated to lower case upon insertion.
// It is advised to use the LUN's own functions to do lookups, attribute value matching, etc.
// as then you won't need to worry about case sensitivity of attribute names.
// NOTE2 - The data returned by ivy_cmddev for a "get config" command has attribute names like LDEV
// in upper case and the LDEV attribute values like 00:FF are provided in upper case.
if (!pLUN->contains_attribute_name(std::string("ldev")))
{
std::ostringstream o;
o << "Aborting - available test LUN matched on Hitachi RAID subsystem serial number " << pSubsystem->serial_number
<< ", but the LUN did have the \"ldev\" attribute." << std::endl
<< " LUN =" << pLUN->toString() << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
kill_subthreads_and_exit();
}
std::string LUN_ldev = pLUN->attribute_value(std::string("ldev"));
if (0==LUN_ldev.size())
{
std::ostringstream o;
o << "Aborting - available test LUN matched on Hitachi RAID subsystem serial number " << pSubsystem->serial_number
<< ", but the LUN's \"ldev\" attribute value was the null string." << std::endl
<< " LUN =" << pLUN->toString() << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
kill_subthreads_and_exit();
}
auto subsystemLDEVit = pRAIDsubsystem->configGatherData.data.find(std::string("LDEV"));
if (pRAIDsubsystem->configGatherData.data.end() == subsystemLDEVit)
{
std::ostringstream o;
o << "Aborting - available test LUN matched on Hitachi RAID subsystem serial number " << pSubsystem->serial_number
<< ", but the subsystem configuration data from a command device didn\'t have \"LDEV\" element type." << std::endl
<< " LUN =" << pLUN->toString() << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
kill_subthreads_and_exit();
}
std::string cmddev_LDEV = toUpper(LUN_ldev);
auto subsystemLDEVinstanceIt = (*subsystemLDEVit).second.find(cmddev_LDEV);
if ((*subsystemLDEVit).second.end() == subsystemLDEVinstanceIt)
{
std::ostringstream o;
o << "Aborting - available test LUN matched on Hitachi RAID subsystem serial number " << pSubsystem->serial_number
<< ", but the subsystem didn\'t have the \"LDEV\" instance \"" << cmddev_LDEV << "\"." << std::endl
<< " LUN =" << pLUN->toString() << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
kill_subthreads_and_exit();
}
for (auto& pear : (*subsystemLDEVinstanceIt).second)
{
// To reduce clutter, upon an attribute name collision, meaning that both the SCSI Inquiry-based LUN Lister tool like showluns.sh
// and the RMLIB API-based command device data returned an attribute name that when translated to lower case was the same,
// then if the attribute values from either side are the same when translated to lower case and with leading/trailing
// blanks removed, we don't alter the existing attribute value, and the RMLIB API value is discarded.
// If RMLIB returned a substantially different value for the same metric, then we create a new attribute name
// by appending "_rmlib" and store the RMLIB value there.
// pear is std::map<std::string,metric_value>
std::string attribute_name = toLower(pear.first);
std::string attribute_value = pear.second.string_value();
std::string trimmed_attribute_value = toLower(attribute_value);
trim(trimmed_attribute_value);
if (pLUN->contains_attribute_name(attribute_name))
{
std::string trimmed_LUN_value = toLower(pLUN->attribute_value(attribute_name));
trim(trimmed_LUN_value);
if (0 != trimmed_attribute_value.compare(trimmed_LUN_value))
{
attribute_name += std::string("_rmlib");
pLUN->set_attribute(attribute_name, attribute_value);
}
}
else
{
pLUN->set_attribute(attribute_name, attribute_value);
}
}
}
}
// end of augmenting available test LUN attributes with config info from the command device
break; // out of loop over command device LUNs as candidates to be first command device for this subsystem
} // if we found the first command device for this subsystem
} // for each command device LUN as candidate to match as first command device for this subsystem.
// back to Hitachi RAID subsystem type
if (!have_cmd_dev_this_subsystem)
{
std::ostringstream o;
o << "No command device found for subsystem " << pSubsystem->serial_number << std::endl;
std::cout << o.str();
log(masterlogfile,o.str());
}
else
{
pRAIDsubsystem->configGatherData.print_csv_file_set
(
testFolder,
pRAIDsubsystem->serial_number+std::string(".config")
);
}
} // end for Hitachi RAID subsystem
} // end for each subsystem
for (auto& pLUN : availableTestLUNs.LUNpointers)
{
TheSampleLUN.copyOntoMe(pLUN); // add nicknames, and command device LDEV attributes to TheSampleLUN.
}
for (auto& pLUN : availableTestLUNs.LUNpointers) // populate test config thumbnail data structures
{
available_LUNs_thumbnail.add(pLUN);
}
{
std::ostringstream o;
o << available_LUNs_thumbnail;
bool saw_command_device {false};
for (auto& pear : subsystems)
{
if (0 == std::string("Hitachi RAID").compare(pear.second->type()))
{
Hitachi_RAID_subsystem* pRAID = (Hitachi_RAID_subsystem*) pear.second;
if (pRAID->command_device_description.size() > 0)
{
saw_command_device = true;
o << pRAID->command_device_description;
}
}
}
if (saw_command_device) o << std::endl;
log(masterlogfile,o.str());
std::cout << o.str();
ofstream ofs(testFolder+std::string("/available_test_config.txt"));
ofs << o.str();
ofs.close();
}
if (routine_logging)
{
ostringstream o;
o << "After adding subsystem config attributes, availableTestLUNs contains:" << std::endl << availableTestLUNs.toString() << std::endl;
// std::cout << o.str();
log(masterlogfile,o.str());
}
else
{
ostringstream o;
o <<"availableTestLUNs contains " << availableTestLUNs.LUNpointers.size() << " LUNs." << std::endl;
//std::cout<<o.str();
log(masterlogfile,o.str());
}
ofstream atlcsv(testFolder+std::string("/available_test_LUNs.csv"));
availableTestLUNs.print_csv_file(atlcsv);
atlcsv.close();
if (cooldown_WP_watch_set.size() == 0)
{
std::ostringstream o;
o << "No command devices for RAID_subsystem LDEVs, so cooldown_by_wp settings will not have any effect." << std::endl;
log(masterlogfile,o.str());
std::cout << o.str();
}
else
{
std::ostringstream o;
o << "Cooldown_WP_watch_set contains:";
for (auto& pear : cooldown_WP_watch_set) o << " < " << pear.first << ", " << pear.second->serial_number << " >";
o << std::endl << std::endl;
log(masterlogfile,o.str());
std::cout << o.str();
}
haveHosts = true;
return std::make_pair(true,std::string("hello, whirled!"));
}
