/*! \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 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();
}