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Revised heartbeat check #5864

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merged 1 commit into from
Oct 28, 2024
Merged

Revised heartbeat check #5864

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48 changes: 27 additions & 21 deletions samples/vboxwrapper/vboxwrapper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -798,6 +798,7 @@ int main(int argc, char** argv) {
last_checkpoint_elapsed_time = elapsed_time;
last_heartbeat_elapsed_time = elapsed_time;
last_checkpoint_cpu_time = starting_cpu_time;
initial_heartbeat_check = true;


// Choose a random interleave value for checkpoint intervals
Expand Down Expand Up @@ -1050,43 +1051,48 @@ int main(int argc, char** argv) {
}
if (pVM->heartbeat_filename.size()) {

if (elapsed_time >= (last_heartbeat_elapsed_time + pVM->minimum_heartbeat_interval))
{
if (elapsed_time >= (last_heartbeat_elapsed_time + pVM->minimum_heartbeat_interval)) {

int return_code = BOINC_SUCCESS;
bool should_exit = false;
struct stat heartbeat_stat;

if (!shared_file_exists(pVM->heartbeat_filename)) {
vboxlog_msg("VM Heartbeat file specified, but missing.");
return_code = ERR_FILE_MISSING;
should_exit = true;
}

if (shared_stat(pVM->heartbeat_filename, &heartbeat_stat)) {
// Error
vboxlog_msg("VM Heartbeat file specified, but missing file system status. (errno = '%d')", errno);
should_exit = true;
}
} else {

if (initial_heartbeat_check) {
// Force the next check to be successful
last_heartbeat_mod_time = heartbeat_stat.st_mtime - 1;
}
if (shared_stat(pVM->heartbeat_filename, &heartbeat_stat)) {
// Error
vboxlog_msg("VM Heartbeat file specified, but missing file system status. (errno = '%d')", errno);
return_code = ERR_STAT;
should_exit = true;
} else {

if (heartbeat_stat.st_mtime > last_heartbeat_mod_time) {
// Heartbeat successful
last_heartbeat_mod_time = heartbeat_stat.st_mtime;
last_heartbeat_elapsed_time = elapsed_time;
} else {
vboxlog_msg("VM Heartbeat file specified, but missing heartbeat.");
should_exit = true;
if (initial_heartbeat_check) {
// Force the next check to be successful
last_heartbeat_mod_time = heartbeat_stat.st_mtime - 1;
}

if (heartbeat_stat.st_mtime > last_heartbeat_mod_time) {
// Heartbeat successful
last_heartbeat_mod_time = heartbeat_stat.st_mtime;
last_heartbeat_elapsed_time = elapsed_time;
} else {
vboxlog_msg("VM Heartbeat file specified, but missing heartbeat.");
return_code = ERR_TIMEOUT;
should_exit = true;
}
}
}

if (should_exit) {
pVM->reset_vm_process_priority();
pVM->capture_screenshot();
pVM->cleanup();
pVM->dump_hypervisor_logs(true);
boinc_finish(EXIT_ABORTED_BY_CLIENT);
boinc_finish(return_code);
}

initial_heartbeat_check = false;
Expand Down
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