/*! Initializes all jobs for the specified target (may be \c NULL).
Jobs that cannot be initialized, and those that never will be due to
conditions, will be removed from the list.
*/
void
LaunchDaemon::_InitJobs(Target* target)
{
for (JobMap::iterator iterator = fJobs.begin(); iterator != fJobs.end();) {
Job* job = iterator->second;
JobMap::iterator remove = iterator++;
if (job->Target() != target)
continue;
status_t status = B_NO_INIT;
if (job->IsEnabled()) {
// Filter out jobs that have a constant and failing condition
if (job->Condition() == NULL || !job->Condition()->IsConstant(*this)
|| job->Condition()->Test(*this)) {
std::set<BString> dependencies;
status = job->Init(*this, dependencies);
if (status == B_OK && job->Event() != NULL)
status = job->Event()->Register(*this);
}
}
if (status != B_OK) {
if (status != B_NO_INIT) {
// TODO: log error
debug_printf("Init \"%s\" failed: %s\n", job->Name(),
strerror(status));
}
// Remove jobs that won't be used later on
fJobs.erase(remove);
delete job;
}
}
}
status_t
Job::Init(const Finder& finder, std::set<BString>& dependencies)
{
// Only initialize the jobs once
if (fInitStatus != B_NO_INIT)
return fInitStatus;
fInitStatus = B_OK;
if (fTarget != NULL)
fTarget->AddDependency(this);
// Check dependencies
for (int32 index = 0; index < Requirements().CountStrings(); index++) {
const BString& requires = Requirements().StringAt(index);
if (dependencies.find(requires) != dependencies.end()) {
// Found a cyclic dependency
// TODO: log error
return fInitStatus = B_ERROR;
}
dependencies.insert(requires);
Job* dependency = finder.FindJob(requires);
if (dependency != NULL) {
std::set<BString> subDependencies = dependencies;
fInitStatus = dependency->Init(finder, subDependencies);
if (fInitStatus != B_OK) {
// TODO: log error
return fInitStatus;
}
fInitStatus = _AddRequirement(dependency);
} else {
::Target* target = finder.FindTarget(requires);
if (target != NULL)
fInitStatus = _AddRequirement(dependency);
else {
// Could not find dependency
fInitStatus = B_NAME_NOT_FOUND;
}
}
if (fInitStatus != B_OK) {
// TODO: log error
return fInitStatus;
}
}
return fInitStatus;
}