void
LaunchDaemon::_HandleGetLaunchData(BMessage* message)
{
uid_t user = _GetUserID(message);
if (user < 0)
return;
BMessage reply((uint32)B_OK);
bool launchJob = true;
Job* job = FindJob(get_leaf(message->GetString("name")));
if (job == NULL) {
Session* session = FindSession(user);
if (session != NULL) {
// Forward request to user launch_daemon
if (session->Daemon().SendMessage(message) == B_OK)
return;
}
reply.what = B_NAME_NOT_FOUND;
} else if (job->IsService() && !job->IsLaunched()) {
if (job->InitCheck() == B_NO_INIT || !job->CheckCondition(*this)) {
// The job exists, but cannot be started yet, as its
// conditions are not met; don't make it available yet
// TODO: we may not want to initialize jobs with conditions
// that aren't met yet
reply.what = B_NO_INIT;
} else if (job->Event() != NULL) {
if (!Events::TriggerDemand(job->Event())) {
// The job is not triggered by demand; we cannot start it now
reply.what = B_NO_INIT;
} else {
// The job has already been triggered, don't launch it again
launchJob = false;
}
}
} else
launchJob = false;
bool ownsMessage = false;
if (reply.what == B_OK) {
// Launch the job if it hasn't been launched already
if (launchJob)
_LaunchJob(job, TRIGGER_DEMAND);
DetachCurrentMessage();
status_t result = job->HandleGetLaunchData(message);
if (result == B_OK) {
// Replying is delegated to the job.
return;
}
ownsMessage = true;
reply.what = result;
}
message->SendReply(&reply);
if (ownsMessage)
delete message;
}
void
LaunchDaemon::_HandleGetLaunchData(BMessage* message)
{
uid_t user = _GetUserID(message);
if (user < 0)
return;
BMessage reply((uint32)B_OK);
bool launchJob = true;
Job* job = FindJob(get_leaf(message->GetString("name")));
if (job == NULL) {
Session* session = FindSession(user);
if (session != NULL) {
// Forward request to user launch_daemon
if (session->Daemon().SendMessage(message) == B_OK)
return;
}
reply.what = B_NAME_NOT_FOUND;
} else if (!job->IsLaunched()) {
if (job->InitCheck() == B_NO_INIT || !job->CheckCondition(*this)) {
// The job exists, but cannot be started yet, as its
// conditions are not met; don't make it available yet
// TODO: we may not want to initialize jobs with conditions
// that aren't met yet
reply.what = B_NO_INIT;
} else if (job->Event() != NULL) {
if (!Events::TriggerDemand(job->Event())) {
// The job is not triggered by demand; we cannot start it now
reply.what = B_NO_INIT;
} else {
// The job has already been triggered, don't launch it again
launchJob = false;
}
}
}
if (reply.what == B_OK) {
// If the job has not been launched yet, we'll pass on our
// team here. The rationale behind this is that this team
// will temporarily own the synchronous reply ports.
reply.AddInt32("team", job->Team() < 0
? current_team() : job->Team());
PortMap::const_iterator iterator = job->Ports().begin();
for (; iterator != job->Ports().end(); iterator++) {
BString name;
if (iterator->second.HasString("name"))
name << iterator->second.GetString("name") << "_";
name << "port";
reply.AddInt32(name.String(),
iterator->second.GetInt32("port", -1));
}
// Launch the job if it hasn't been launched already
if (launchJob)
_LaunchJob(job);
}
message->SendReply(&reply);
}