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bees: Defer full initialization until cmdline parser is done #136

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bees: Defer full initialization until cmdline parser is done #136

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30 changes: 21 additions & 9 deletions src/bees.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ using namespace crucible;
using namespace std;

int bees_log_level = 8;
int bees_initialized = 0;

void
do_cmd_help(char *argv[])
Expand Down Expand Up @@ -755,13 +756,6 @@ bees_main(int argc, char *argv[])

THROW_CHECK1(invalid_argument, argc, argc >= 0);

// Have to block signals now before we create a bunch of threads
// so the threads will also have the signals blocked.
block_term_signal();

// Create a context so we can apply configuration to it
shared_ptr<BeesContext> bc = make_shared<BeesContext>();

string cwd(readlink_or_die("/proc/self/cwd"));

// Defaults
Expand All @@ -771,6 +765,7 @@ bees_main(int argc, char *argv[])
unsigned thread_min = 0;
double load_target = 0;
bool workaround_btrfs_send = false;
int scan_mode = BeesRoots::SCAN_MODE_ZERO;

// Configure getopt_long
static const struct option long_options[] = {
Expand Down Expand Up @@ -839,7 +834,7 @@ bees_main(int argc, char *argv[])
load_target = stod(optarg);
break;
case 'm':
bc->roots()->set_scan_mode(static_cast<BeesRoots::ScanMode>(stoul(optarg)));
scan_mode = stoul(optarg);
break;
case 'p':
crucible::set_relative_path("");
Expand Down Expand Up @@ -869,8 +864,21 @@ bees_main(int argc, char *argv[])
return EXIT_FAILURE;
}

bees_initialized++;

// Have to block signals now before we create a bunch of threads
// so the threads will also have the signals blocked.
block_term_signal();

// Initialization done, now finally set the logger settings
Chatter::enable_timestamp(chatter_prefix_timestamp);

// Create a context so we can apply configuration to it
shared_ptr<BeesContext> bc = make_shared<BeesContext>();

// Set scan mode
bc->roots()->set_scan_mode(static_cast<BeesRoots::ScanMode>(scan_mode));

if (!relative_path().empty()) {
BEESLOGINFO("using relative path " << relative_path() << "\n");
}
Expand Down Expand Up @@ -943,7 +951,11 @@ main(int argc, char *argv[])
catch_and_explain([&]() {
rv = bees_main(argc, argv);
});
BEESLOGNOTICE("Exiting with status " << rv << " " << (rv ? "(failure)" : "(success)"));

// Do not write a final log message unless successfully initialized
if (bees_initialized)
BEESLOGNOTICE("Exiting with status " << rv << " " << (rv ? "(failure)" : "(success)"));

return rv;
}

Expand Down