status_t
MessageAdapter::_ConvertKMessage(const KMessage *fromMessage,
BMessage *toMessage)
{
if (!fromMessage || !toMessage)
return B_BAD_VALUE;
// make empty and init what of the target message
toMessage->MakeEmpty();
toMessage->what = fromMessage->What();
BMessage::Private toPrivate(toMessage);
toPrivate.SetTarget(fromMessage->TargetToken());
toPrivate.SetReply(B_SYSTEM_TEAM, fromMessage->ReplyPort(),
fromMessage->ReplyToken());
// iterate through the fields and import them in the target message
KMessageField field;
while (fromMessage->GetNextField(&field) == B_OK) {
int32 elementCount = field.CountElements();
if (elementCount > 0) {
for (int32 i = 0; i < elementCount; i++) {
int32 size;
const void *data = field.ElementAt(i, &size);
status_t result;
if (field.TypeCode() == B_MESSAGE_TYPE) {
// message type: if it's a KMessage, convert it
KMessage message;
if (message.SetTo(data, size) == B_OK) {
BMessage bMessage;
result = _ConvertKMessage(&message, &bMessage);
if (result < B_OK)
return result;
result = toMessage->AddMessage(field.Name(), &bMessage);
} else {
// just add it
result = toMessage->AddData(field.Name(),
field.TypeCode(), data, size,
field.HasFixedElementSize(), 1);
}
} else {
result = toMessage->AddData(field.Name(), field.TypeCode(),
data, size, field.HasFixedElementSize(), 1);
}
if (result < B_OK)
return result;
}
}
}
return B_OK;
}
void Notify(uint32 eventCode, struct image* image)
{
char eventBuffer[128];
KMessage event;
event.SetTo(eventBuffer, sizeof(eventBuffer), IMAGE_MONITOR);
event.AddInt32("event", eventCode);
event.AddInt32("image", image->info.id);
event.AddPointer("imageStruct", image);
DefaultNotificationService::Notify(event, eventCode);
}
void
PortNotificationService::Notify(uint32 opcode, port_id port)
{
char eventBuffer[64];
KMessage event;
event.SetTo(eventBuffer, sizeof(eventBuffer), PORT_MONITOR);
event.AddInt32("event", opcode);
event.AddInt32("port", port);
DefaultNotificationService::Notify(event, opcode);
}
status_t
NotificationManager::UpdateListener(const char* serviceName,
uint32 eventMask, NotificationListener& listener)
{
char buffer[96];
KMessage specifier;
specifier.SetTo(buffer, sizeof(buffer), 0);
specifier.AddInt32(kEventMaskString, eventMask);
return UpdateListener(serviceName, &specifier, listener);
}
status_t
notify_interface_removed(net_interface* interface)
{
if (sNotificationModule == NULL)
return B_NOT_SUPPORTED;
char messageBuffer[512];
KMessage message;
message.SetTo(messageBuffer, sizeof(messageBuffer), B_NETWORK_MONITOR);
message.AddInt32("opcode", B_NETWORK_INTERFACE_REMOVED);
message.AddString("interface", interface->name);
return sNotificationModule->send_notification(&message);
}
status_t
MessageAdapter::Unflatten(uint32 format, BMessage *into, const char *buffer)
{
if (format == KMessage::kMessageHeaderMagic) {
KMessage message;
status_t result = message.SetTo(buffer,
((KMessage::Header *)buffer)->size);
if (result != B_OK)
return result;
return _ConvertKMessage(&message, into);
}
try {
switch (format) {
case MESSAGE_FORMAT_R5:
{
r5_message_header *header = (r5_message_header *)buffer;
BMemoryIO stream(buffer + sizeof(uint32),
header->flattened_size - sizeof(uint32));
return _UnflattenR5Message(format, into, &stream);
}
case MESSAGE_FORMAT_R5_SWAPPED:
{
r5_message_header *header = (r5_message_header *)buffer;
BMemoryIO stream(buffer + sizeof(uint32),
__swap_int32(header->flattened_size) - sizeof(uint32));
return _UnflattenR5Message(format, into, &stream);
}
case MESSAGE_FORMAT_DANO:
case MESSAGE_FORMAT_DANO_SWAPPED:
{
dano_section_header *header = (dano_section_header *)buffer;
ssize_t size = header->size;
if (header->code == MESSAGE_FORMAT_DANO_SWAPPED)
size = __swap_int32(size);
BMemoryIO stream(buffer + sizeof(uint32), size - sizeof(uint32));
return _UnflattenDanoMessage(format, into, &stream);
}
}
} catch (status_t error) {
into->MakeEmpty();
return error;
}
return B_NOT_A_MESSAGE;
}
status_t
LocalDebuggerInterface::GetNextDebugEvent(DebugEvent*& _event)
{
while (true) {
char buffer[2048];
int32 messageCode;
ssize_t size = read_port(fDebuggerPort, &messageCode, buffer,
sizeof(buffer));
if (size < 0) {
if (size == B_INTERRUPTED)
continue;
return size;
}
if (messageCode <= B_DEBUGGER_MESSAGE_HANDED_OVER) {
debug_debugger_message_data message;
memcpy(&message, buffer, size);
if (message.origin.team != fTeamID)
continue;
bool ignore = false;
status_t error = _CreateDebugEvent(messageCode, message, ignore,
_event);
if (error != B_OK)
return error;
if (ignore) {
if (message.origin.thread >= 0 && message.origin.nub_port >= 0)
error = continue_thread(message.origin.nub_port,
message.origin.thread);
if (error != B_OK)
return error;
continue;
}
return B_OK;
}
KMessage message;
size = message.SetTo(buffer);
if (size != B_OK)
return size;
return _GetNextSystemWatchEvent(_event, message);
}
return B_OK;
}
void _SendMessage(messaging_target* targets, int32 targetCount,
int32 object, uint32 opcode)
{
// prepare the message
char buffer[128];
KMessage message;
message.SetTo(buffer, sizeof(buffer), B_SYSTEM_OBJECT_UPDATE);
message.AddInt32("opcode", opcode);
if (opcode < B_THREAD_CREATED)
message.AddInt32("team", object);
else
message.AddInt32("thread", object);
// send it
send_message(message.Buffer(), message.ContentSize(), targets,
targetCount);
}
status_t
notify_link_changed(net_device* device)
{
if (sNotificationModule == NULL)
return B_NOT_SUPPORTED;
char messageBuffer[512];
KMessage message;
message.SetTo(messageBuffer, sizeof(messageBuffer), B_NETWORK_MONITOR);
message.AddInt32("opcode", B_NETWORK_DEVICE_LINK_CHANGED);
message.AddString("device", device->name);
message.AddInt32("media", device->media);
message.AddInt64("link speed", device->link_speed);
message.AddInt32("link quality", device->link_quality);
return sNotificationModule->send_notification(&message);
}
void
ieee80211_notify_scan_done(struct ieee80211vap* vap)
{
release_sem_etc(vap->iv_ifp->scan_done_sem, 1,
B_DO_NOT_RESCHEDULE | B_RELEASE_ALL);
TRACE("%s\n", __FUNCTION__);
if (sNotificationModule != NULL) {
char messageBuffer[512];
KMessage message;
message.SetTo(messageBuffer, sizeof(messageBuffer), B_NETWORK_MONITOR);
message.AddInt32("opcode", B_NETWORK_WLAN_SCANNED);
message.AddString("interface", vap->iv_ifp->device_name);
sNotificationModule->send_notification(&message);
}
}
status_t
notify_interface_changed(net_interface* interface, uint32 oldFlags,
uint32 newFlags)
{
if (sNotificationModule == NULL)
return B_NOT_SUPPORTED;
char messageBuffer[512];
KMessage message;
message.SetTo(messageBuffer, sizeof(messageBuffer), B_NETWORK_MONITOR);
message.AddInt32("opcode", B_NETWORK_INTERFACE_CHANGED);
message.AddString("interface", interface->name);
if (oldFlags != newFlags) {
message.AddInt32("old flags", oldFlags);
message.AddInt32("new flags", newFlags);
}
return sNotificationModule->send_notification(&message);
}
void
ieee80211_notify_node_leave(struct ieee80211_node* ni)
{
struct ieee80211vap* vap = ni->ni_vap;
struct ifnet* ifp = vap->iv_ifp;
if (ni == vap->iv_bss)
if_link_state_change(ifp, LINK_STATE_DOWN);
TRACE("%s\n", __FUNCTION__);
if (sNotificationModule != NULL) {
char messageBuffer[512];
KMessage message;
message.SetTo(messageBuffer, sizeof(messageBuffer), B_NETWORK_MONITOR);
message.AddInt32("opcode", B_NETWORK_WLAN_LEFT);
message.AddString("interface", ifp->device_name);
// TODO: add data about the node
sNotificationModule->send_notification(&message);
}
}