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run_manager.cc
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Wed, Jun 19, 06:17

run_manager.cc
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/*
author : Nicolas RICHART <nicolas.richart@epfl.ch>
author : Guillaume ANCIAUX (anciaux@labri.fr, g.anciaux@laposte.net)
author : Till JUNGE <till.junge@epfl.ch>
*/
/* -------------------------------------------------------------------------- */
#include <pqxx/pqxx>
#include "blackdynamite.hh"
#include "sql_connection_manager.hh"
#include "state_manager.hh"
#include "quantities_manager.hh"
#include <sstream>
#include <fstream>
#include <cmath>
/* -------------------------------------------------------------------------- */
namespace BlackDynamite {
/* ------------------------------------------------------------------------ */
static std::string getenv(const std::string & var, std::string & default_val) {
char * ptr = ::getenv(var.c_str());
if (!ptr)
return default_val;
return std::string(ptr);
}
static std::string getenv(const std::string & var) {
char * ptr = ::getenv(var.c_str());
if (!ptr)
FATAL("Undefined environment variable " + var);
return std::string(ptr);
}
/* ------------------------------------------------------------------------ */
std::string RunManager::readPassword(const std::string & host) {
std::string home = getenv("HOME");
std::string host_conf = home + "/.blackdynamite/" + host + ".bd";
std::ifstream fin(host_conf.c_str());
std::string line;
std::string password = "";
// std::cerr << "try to read the password" << std::endl;
while (fin.good()) {
getline(fin, line);
std::stringstream sstr(line);
std::vector<std::string> tokens;
std::copy(std::istream_iterator<std::string>(sstr),
std::istream_iterator<std::string>(), std::back_inserter(tokens));
if (tokens.size() == 3) {
if (tokens[0] == "password" && tokens[1] == "=") {
password = tokens[2];
break;
}
}
}
// std::cerr << "I have read the password: " << password << std::endl;
std::cerr << "I have read the password" << std::endl;
return password;
}
/* ------------------------------------------------------------------------ */
RunManager::RunManager() {
std::string user = getenv("BLACKDYNAMITE_USER");
std::string dbname = getenv("BLACKDYNAMITE_DBNAME", user);
std::string host = getenv("BLACKDYNAMITE_HOST");
std::string schema = getenv("BLACKDYNAMITE_SCHEMA");
UInt run_id = atoi(getenv("BLACKDYNAMITE_RUN_ID").c_str());
std::string password = readPassword(host);
init(dbname, user, host, schema, password, run_id);
}
/* ------------------------------------------------------------------------ */
RunManager::RunManager(const std::string & dbname, const std::string & user,
const std::string & host, const std::string & schema,
const std::string & password, UInt run_id) {
init(dbname, user, host, schema, password, run_id);
}
/* ------------------------------------------------------------------------ */
RunManager::~RunManager() {
delete quantities_manager;
delete state_manager;
}
/* ------------------------------------------------------------------------ */
void RunManager::init(const std::string & dbname, const std::string & user,
const std::string & host, const std::string & schema,
const std::string & password, UInt run_id) {
this->request_retries = 10;
this->run_id = run_id;
if (this->run_id < 1) {
FATAL("The run id required for the sql dumps has not been specified");
}
this->sql_connection_manager =
new SQLConnectionManager(dbname, user, host, schema, password);
this->sql_schema = schema;
this->quantities_manager =
new QuantitiesManager(*this->sql_connection_manager, this->sql_schema,
this->run_id, this->request_retries);
this->state_manager =
new StateManager(*this->sql_connection_manager, this->sql_schema,
this->run_id, this->request_retries);
}
/* ------------------------------------------------------------------------ */
void RunManager::startRun() { this->state_manager->changeState("START"); }
/* ------------------------------------------------------------------------ */
void RunManager::endRun() { this->state_manager->changeState("FINISHED"); }
/* ------------------------------------------------------------------------ */
void RunManager::changeState(const std::string & state) {
this->state_manager->changeState(state);
}
/* ------------------------------------------------------------------------ */
UInt RunManager::getInstanceCounter() {
return this->sql_connection_manager->getInstanceCounter();
}
/* ------------------------------------------------------------------------ */
template <typename T>
void RunManager::push(const T & value, const std::string & quantity,
const UInt & step) {
this->quantities_manager->pushQuantity(quantity, value, step);
}
/*------------------------------------------------------------------------- */
void RunManager::push(const std::string & value, const std::string & quantity) {
this->quantities_manager->pushQuantity(quantity, value);
}
/* ------------------------------------------------------------------------ */
template void RunManager::push<int>(const int & value,
const std::string & quantity,
const UInt & step);
template void RunManager::push<UInt>(const UInt & value,
const std::string & quantity,
const UInt & step);
template void RunManager::push<Real>(const Real & value,
const std::string & quantity,
const UInt & step);
template void
RunManager::push<std::vector<Real> >(const std::vector<Real> & value,
const std::string & quantity,
const UInt & step);
template void
RunManager::push<std::vector<int> >(const std::vector<int> & value,
const std::string & quantity,
const UInt & step);
/* ------------------------------------------------------------------------ */
unsigned int SQLConnectionManager::connection_counter = 0;
pqxx::connection * SQLConnectionManager::sql_connection = NULL;
/* ------------------------------------------------------------------------ */
}

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