/*! \brief Initializes the roster.
Currently only adds the registrar to the roster.
The application must already be running, more precisly Run() must have
been called.
\return
- \c B_OK: Everything went fine.
- an error code
*/
status_t
TRoster::Init()
{
// check lock initialization
if (fLock.Sem() < 0)
return fLock.Sem();
// create the info
RosterAppInfo* info = new(nothrow) RosterAppInfo;
if (info == NULL)
return B_NO_MEMORY;
// get the app's ref
entry_ref ref;
status_t error = get_app_ref(&ref);
// init and add the info
if (error == B_OK) {
info->Init(be_app->Thread(), be_app->Team(),
BMessenger::Private(be_app_messenger).Port(),
B_EXCLUSIVE_LAUNCH | B_BACKGROUND_APP, &ref, B_REGISTRAR_SIGNATURE);
info->state = APP_STATE_REGISTERED;
info->registration_time = system_time();
error = AddApp(info);
}
if (error == B_OK)
_LoadRosterSettings();
// cleanup on error
if (error != B_OK)
delete info;
return error;
}
/*!
\brief Checks all registered apps for \a ref and \a signature if
they are still alive, and removes those that aren't.
*/
void
TRoster::_ValidateRunning(const entry_ref& ref, const char* signature)
{
while (true) {
// get info via ref or signature
RosterAppInfo* info = fRegisteredApps.InfoFor(&ref);
if (info == NULL && signature != NULL)
info = fRegisteredApps.InfoFor(signature);
// if app is alive or does not exist, we can exit
if (info == NULL || info->IsRunning())
return;
RemoveApp(info);
delete info;
}
}
void
ShutdownProcess::_QuitApps(AppInfoList& list, bool systemApps)
{
PRINT(("ShutdownProcess::_QuitApps(%s)\n",
(systemApps ? "system" : "user")));
if (systemApps) {
_SetShutdownWindowCancelButtonEnabled(false);
// check one last time for abort events
uint32 event;
do {
team_id team;
int32 phase;
status_t error = _GetNextEvent(event, team, phase, false);
if (error != B_OK)
throw_error(error);
if (event == ABORT_EVENT) {
PRINT(("ShutdownProcess::_QuitApps(): shutdown cancelled by "
"team %ld (-1 => user)\n", team));
_DisplayAbortingApp(team);
throw_error(B_SHUTDOWN_CANCELLED);
}
} while (event != NO_EVENT);
}
// prepare the shutdown message
BMessage message;
_PrepareShutdownMessage(message);
// now iterate through the list of apps
while (true) {
// eat events
uint32 event;
do {
team_id team;
int32 phase;
status_t error = _GetNextEvent(event, team, phase, false);
if (error != B_OK)
throw_error(error);
if (!systemApps && event == ABORT_EVENT) {
PRINT(("ShutdownProcess::_QuitApps(): shutdown cancelled by "
"team %ld (-1 => user)\n", team));
_DisplayAbortingApp(team);
throw_error(B_SHUTDOWN_CANCELLED);
}
} while (event != NO_EVENT);
// get the first app to quit
team_id team = -1;
port_id port = -1;
char appName[B_FILE_NAME_LENGTH];
{
BAutolock _(fWorkerLock);
while (!list.IsEmpty()) {
RosterAppInfo* info = *list.It();
team = info->team;
port = info->port;
strcpy(appName, info->ref.name);
if (info->IsRunning())
break;
list.RemoveInfo(info);
delete info;
}
}
if (team < 0) {
PRINT(("ShutdownProcess::_QuitApps() done\n"));
return;
}
// set window text
BString buffer = B_TRANSLATE("Asking \"%appName%\" to quit.");
buffer.ReplaceFirst("%appName%", appName);
_SetShutdownWindowText(buffer.String());
_SetShutdownWindowCurrentApp(team);
// send the shutdown message to the app
PRINT((" sending team %ld (port: %ld) a shutdown message\n", team,
port));
SingleMessagingTargetSet target(port, B_PREFERRED_TOKEN);
MessageDeliverer::Default()->DeliverMessage(&message, target);
// schedule a timeout event
_ScheduleTimeoutEvent(kAppQuitTimeout, team);
// wait for the app to die or for the timeout to occur
bool appGone = _WaitForApp(team, &list, systemApps);
if (appGone) {
// fine: the app finished in an orderly manner
} else {
// the app is either blocking on a model alert or blocks for another
// reason
if (!systemApps)
_QuitBlockingApp(list, team, appName, true);
else {
// This is a system app: remove it from the list
BAutolock _(fWorkerLock);
if (RosterAppInfo* info = list.InfoFor(team)) {
list.RemoveInfo(info);
delete info;
}
}
}
}
}
/*! \brief Handles an AddApplication() request.
\param request The request message
*/
void
TRoster::HandleAddApplication(BMessage* request)
{
FUNCTION_START();
BAutolock _(fLock);
status_t error = B_OK;
// get the parameters
const char* signature;
entry_ref ref;
uint32 flags;
team_id team;
thread_id thread;
port_id port;
bool fullReg;
if (request->FindString("signature", &signature) != B_OK)
signature = NULL;
if (request->FindRef("ref", &ref) != B_OK)
SET_ERROR(error, B_BAD_VALUE);
if (request->FindInt32("flags", (int32*)&flags) != B_OK)
flags = B_REG_DEFAULT_APP_FLAGS;
if (request->FindInt32("team", &team) != B_OK)
team = -1;
if (request->FindInt32("thread", &thread) != B_OK)
thread = -1;
if (request->FindInt32("port", &port) != B_OK)
port = -1;
if (request->FindBool("full_registration", &fullReg) != B_OK)
fullReg = false;
PRINT("team: %" B_PRId32 ", signature: %s\n", team, signature);
PRINT("full registration: %d\n", fullReg);
if (fShuttingDown)
error = B_SHUTTING_DOWN;
// check the parameters
team_id otherTeam = -1;
uint32 token = 0;
uint32 launchFlags = flags & B_LAUNCH_MASK;
BEntry entry(&ref);
if (!entry.Exists())
SET_ERROR(error, B_ENTRY_NOT_FOUND);
if (error == B_OK)
_ValidateRunning(ref, signature);
// entry_ref
if (error == B_OK) {
PRINT("flags: %" B_PRIx32 "\n", flags);
PRINT("ref: %" B_PRId32 ", %" B_PRId64 ", %s\n", ref.device,
ref.directory, ref.name);
// check single/exclusive launchers
RosterAppInfo* info = NULL;
if ((launchFlags == B_SINGLE_LAUNCH
|| launchFlags == B_EXCLUSIVE_LAUNCH)
&& ((info = fRegisteredApps.InfoFor(&ref)) != NULL
|| (info = fEarlyPreRegisteredApps.InfoFor(&ref)) != NULL)) {
SET_ERROR(error, B_ALREADY_RUNNING);
otherTeam = info->team;
token = info->token;
}
}
// signature
if (error == B_OK && signature) {
// check exclusive launchers
RosterAppInfo* info = NULL;
if (launchFlags == B_EXCLUSIVE_LAUNCH
&& (((info = fRegisteredApps.InfoFor(signature)))
|| ((info = fEarlyPreRegisteredApps.InfoFor(signature))))) {
SET_ERROR(error, B_ALREADY_RUNNING);
otherTeam = info->team;
token = info->token;
}
}
// If no team ID is given, full registration isn't possible.
if (error == B_OK) {
if (team < 0) {
if (fullReg)
SET_ERROR(error, B_BAD_VALUE);
} else if (fRegisteredApps.InfoFor(team))
SET_ERROR(error, B_REG_ALREADY_REGISTERED);
}
// Add the application info.
if (error == B_OK) {
// alloc and init the info
RosterAppInfo* info = new(nothrow) RosterAppInfo;
if (info) {
info->Init(thread, team, port, flags, &ref, signature);
if (fullReg)
info->state = APP_STATE_REGISTERED;
else
info->state = APP_STATE_PRE_REGISTERED;
info->registration_time = system_time();
// add it to the right list
bool addingSuccess = false;
if (team >= 0) {
PRINT("added ref: %" B_PRId32 ", %" B_PRId64 ", %s\n",
info->ref.device, info->ref.directory, info->ref.name);
addingSuccess = (AddApp(info) == B_OK);
if (addingSuccess && fullReg)
_AppAdded(info);
} else {
token = info->token = _NextToken();
addingSuccess = fEarlyPreRegisteredApps.AddInfo(info);
PRINT("added to early pre-regs, token: %" B_PRIu32 "\n", token);
}
if (!addingSuccess)
SET_ERROR(error, B_NO_MEMORY);
} else
SET_ERROR(error, B_NO_MEMORY);
// delete the info on failure
if (error != B_OK && info)
delete info;
}
// reply to the request
if (error == B_OK) {
// add to recent apps if successful
if (signature && signature[0] != '\0')
fRecentApps.Add(signature, flags);
else
fRecentApps.Add(&ref, flags);
BMessage reply(B_REG_SUCCESS);
// The token is valid only when no team ID has been supplied.
if (team < 0)
reply.AddInt32("token", (int32)token);
request->SendReply(&reply);
} else {
BMessage reply(B_REG_ERROR);
reply.AddInt32("error", error);
if (otherTeam >= 0)
reply.AddInt32("other_team", otherTeam);
if (token > 0)
reply.AddInt32("token", (int32)token);
request->SendReply(&reply);
}
FUNCTION_END();
}
/*! \brief Returns lists of applications to be asked to quit on shutdown.
\param userApps List of RosterAppInfos identifying the user applications.
Those will be ask to quit first.
\param systemApps List of RosterAppInfos identifying the system applications
(like Tracker and Deskbar), which will be asked to quit after the
user applications are gone.
\param vitalSystemApps A set of team_ids identifying teams that must not
be terminated (app server and registrar).
\return \c B_OK, if everything went fine, another error code otherwise.
*/
status_t
TRoster::GetShutdownApps(AppInfoList& userApps, AppInfoList& systemApps,
AppInfoList& backgroundApps, hash_set<team_id>& vitalSystemApps)
{
BAutolock _(fLock);
status_t error = B_OK;
// get the vital system apps:
// * ourself
// * kernel team
// * app server
// * debug server
// ourself
vitalSystemApps.insert(be_app->Team());
// kernel team
team_info teamInfo;
if (get_team_info(B_SYSTEM_TEAM, &teamInfo) == B_OK)
vitalSystemApps.insert(teamInfo.team);
// app server
RosterAppInfo* info
= fRegisteredApps.InfoFor("application/x-vnd.haiku-app_server");
if (info != NULL)
vitalSystemApps.insert(info->team);
// debug server
info = fRegisteredApps.InfoFor("application/x-vnd.haiku-debug_server");
if (info != NULL)
vitalSystemApps.insert(info->team);
// populate the other groups
for (AppInfoList::Iterator it(fRegisteredApps.It());
RosterAppInfo* info = *it; ++it) {
if (vitalSystemApps.find(info->team) == vitalSystemApps.end()) {
RosterAppInfo* clonedInfo = info->Clone();
if (clonedInfo) {
if (_IsSystemApp(info)) {
if (!systemApps.AddInfo(clonedInfo))
error = B_NO_MEMORY;
} else if (info->flags & B_BACKGROUND_APP) {
if (!backgroundApps.AddInfo(clonedInfo))
error = B_NO_MEMORY;
} else {
if (!userApps.AddInfo(clonedInfo))
error = B_NO_MEMORY;
}
if (error != B_OK)
delete clonedInfo;
} else
error = B_NO_MEMORY;
}
if (error != B_OK)
break;
}
// Special case, we add the input server to vital apps here so it is
// not excluded in the lists above
info = fRegisteredApps.InfoFor("application/x-vnd.Be-input_server");
if (info != NULL)
vitalSystemApps.insert(info->team);
// clean up on error
if (error != B_OK) {
userApps.MakeEmpty(true);
systemApps.MakeEmpty(true);
}
return error;
}
