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#include "config.h"
#include <iostream>
#include <chrono>
#ifndef HAVE_BOOST_REGEX
#include <regex>
#else
#include <boost/regex.hpp>
using boost::regex;
using boost::smatch;
using boost::regex_match;
#endif
#include <thread>
#include <typeinfo>
#include "random.hh"
#include "grammar.hh"
#include "relmodel.hh"
#include "schema.hh"
#include "gitrev.h"
#include "log.hh"
#include "dump.hh"
#include "impedance.hh"
#include "dut.hh"
#ifdef HAVE_LIBSQLITE3
#include "sqlite.hh"
#endif
#ifdef HAVE_MONETDB
#include "monetdb.hh"
#endif
#include "postgres.hh"
using namespace std;
using namespace std::chrono;
extern "C" {
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
}
/* make the cerr logger globally accessible so we can emit one last
report on SIGINT */
cerr_logger *global_cerr_logger;
extern "C" void cerr_log_handler(int)
{
if (global_cerr_logger)
global_cerr_logger->report();
exit(1);
}
int main(int argc, char *argv[])
{
cerr << PACKAGE_NAME " " GITREV << endl;
map<string,string> options;
regex optregex("--(help|log-to|verbose|target|sqlite|monetdb|version|dump-all-graphs|dump-all-queries|seed|dry-run|max-queries|rng-state|exclude-catalog)(?:=((?:.|\n)*))?");
for(char **opt = argv+1 ;opt < argv+argc; opt++) {
smatch match;
string s(*opt);
if (regex_match(s, match, optregex)) {
options[string(match[1])] = match[2];
} else {
cerr << "Cannot parse option: " << *opt << endl;
options["help"] = "";
}
}
if (options.count("help")) {
cerr <<
" --target=connstr postgres database to send queries to" << endl <<
#ifdef HAVE_LIBSQLITE3
" --sqlite=URI SQLite database to send queries to" << endl <<
#endif
#ifdef HAVE_MONETDB
" --monetdb=connstr MonetDB database to send queries to" <<endl <<
#endif
" --log-to=connstr log errors to postgres database" << endl <<
" --seed=int seed RNG with specified int instead of PID" << endl <<
" --dump-all-queries print queries as they are generated" << endl <<
" --dump-all-graphs dump generated ASTs" << endl <<
" --dry-run print queries instead of executing them" << endl <<
" --exclude-catalog don't generate queries using catalog relations" << endl <<
" --max-queries=long terminate after generating this many queries" << endl <<
" --rng-state=string deserialize dumped rng state" << endl <<
" --verbose emit progress output" << endl <<
" --version print version information and exit" << endl <<
" --help print available command line options and exit" << endl;
return 0;
} else if (options.count("version")) {
return 0;
}
try
{
shared_ptr<schema> schema;
if (options.count("sqlite")) {
#ifdef HAVE_LIBSQLITE3
schema = make_shared<schema_sqlite>(options["sqlite"], options.count("exclude-catalog"));
#else
cerr << "Sorry, " PACKAGE_NAME " was compiled without SQLite support." << endl;
return 1;
#endif
}
else if(options.count("monetdb")) {
#ifdef HAVE_MONETDB
schema = make_shared<schema_monetdb>(options["monetdb"]);
#else
cerr << "Sorry, " PACKAGE_NAME " was compiled without MonetDB support." << endl;
return 1;
#endif
}
else
schema = make_shared<schema_pqxx>(options["target"], options.count("exclude-catalog"));
scope scope;
long queries_generated = 0;
schema->fill_scope(scope);
if (options.count("rng-state")) {
istringstream(options["rng-state"]) >> smith::rng;
} else {
smith::rng.seed(options.count("seed") ? stoi(options["seed"]) : getpid());
}
vector<shared_ptr<logger> > loggers;
loggers.push_back(make_shared<impedance_feedback>());
if (options.count("log-to"))
loggers.push_back(make_shared<pqxx_logger>(
options.count("sqlite") ? options["sqlite"] : options["target"],
options["log-to"], *schema));
if (options.count("verbose")) {
auto l = make_shared<cerr_logger>();
global_cerr_logger = &*l;
loggers.push_back(l);
signal(SIGINT, cerr_log_handler);
}
if (options.count("dump-all-graphs"))
loggers.push_back(make_shared<ast_logger>());
if (options.count("dump-all-queries"))
loggers.push_back(make_shared<query_dumper>());
if (options.count("dry-run")) {
while (1) {
shared_ptr<prod> gen = statement_factory(&scope);
gen->out(cout);
for (auto l : loggers)
l->generated(*gen);
cout << ";" << endl;
queries_generated++;
if (options.count("max-queries")
&& (queries_generated >= stol(options["max-queries"])))
return 0;
}
}
shared_ptr<dut_base> dut;
if (options.count("sqlite")) {
#ifdef HAVE_LIBSQLITE3
dut = make_shared<dut_sqlite>(options["sqlite"]);
#else
cerr << "Sorry, " PACKAGE_NAME " was compiled without SQLite support." << endl;
return 1;
#endif
}
else if(options.count("monetdb")) {
#ifdef HAVE_MONETDB
dut = make_shared<dut_monetdb>(options["monetdb"]);
#else
cerr << "Sorry, " PACKAGE_NAME " was compiled without MonetDB support." << endl;
return 1;
#endif
}
else
dut = make_shared<dut_libpq>(options["target"]);
while (1) /* Loop to recover connection loss */
{
try {
while (1) { /* Main loop */
if (options.count("max-queries")
&& (++queries_generated > stol(options["max-queries"]))) {
if (global_cerr_logger)
global_cerr_logger->report();
return 0;
}
/* Invoke top-level production to generate AST */
shared_ptr<prod> gen = statement_factory(&scope);
for (auto l : loggers)
l->generated(*gen);
/* Generate SQL from AST */
ostringstream s;
gen->out(s);
/* Try to execute it */
try {
dut->test(s.str());
for (auto l : loggers)
l->executed(*gen);
} catch (const dut::failure &e) {
for (auto l : loggers)
try {
l->error(*gen, e);
} catch (runtime_error &e) {
cerr << endl << "log failed: " << typeid(*l).name() << ": "
<< e.what() << endl;
}
if ((dynamic_cast<const dut::broken *>(&e))) {
/* re-throw to outer loop to recover session. */
throw;
}
}
}
}
catch (const dut::broken &e) {
/* Give server some time to recover. */
this_thread::sleep_for(milliseconds(1000));
}
}
}
catch (const exception &e) {
cerr << e.what() << endl;
return 1;
}
}
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