BMessage& ArpUpdateMessage(BMessage& to, const BMessage& msg)
{
char* name;
type_code type;
long count;
for( int32 i=0; !msg.GetInfo(B_ANY_TYPE,i,&name,&type,&count);
i++ ) {
bool all_gone = false;
for( int32 j=0; j<count; j++ ) {
type_code dummy;
bool fixedSize=true;
msg.GetInfo(name, &dummy, &fixedSize);
const void* data;
ssize_t size;
if( !msg.FindData(name,type,j,&data,&size) ) {
if( !all_gone ) {
if( type == B_MESSAGE_TYPE ) {
BMessage oldMsg;
BMessage newMsg;
if( !to.FindMessage(name,j,&oldMsg) &&
!msg.FindMessage(name,j,&newMsg) ) {
ArpUpdateMessage(oldMsg, newMsg);
to.ReplaceMessage(name,j,&oldMsg);
} else {
all_gone = true;
}
}
if( to.ReplaceData(name,type,j,data,size) ) {
long cnt=0;
type_code mtype = type;
if( !to.GetInfo(name,&mtype,&cnt) ) {
for( int32 k=cnt-1; k>=j; k-- ) {
to.RemoveData(name,k);
}
}
all_gone = true;
}
}
if( all_gone ) {
to.AddData(name,type,data,size,fixedSize);
}
}
}
}
return to;
}
ArpMessage& ArpMessage::Update(const BMessage& msg)
{
if( this ) ArpUpdateMessage(*this, msg);
#if 0
if( this ) {
char* name;
type_code type;
long count;
for( int32 i=0; !msg.GetInfo(B_ANY_TYPE,i,&name,&type,&count);
i++ ) {
bool all_gone = false;
for( int32 j=0; j<count; j++ ) {
const void* data;
ssize_t size;
if( !msg.FindData(name,type,j,&data,&size) ) {
if( !all_gone &&
ReplaceData(name,type,j,data,size) ) {
long cnt=0;
type_code mtype = type;
if( !GetInfo(name,&mtype,&cnt) ) {
for( int32 k=cnt-1; k>=j; k-- ) {
RemoveData(name,k);
}
}
all_gone = true;
}
if( all_gone ) {
AddData(name,type,data,size);
}
}
}
}
}
#endif
return *this;
}
void ArpConfigureFile::MessageReceived(BMessage* message)
{
if( !message ) return;
ArpD(cdb << ADH << "ArpConfigureFile received message: "
<< *message << endl);
if( message->what == B_NODE_MONITOR && mWatcher.IsValid() ) {
int32 opcode;
if( message->FindInt32("opcode", &opcode) == B_OK
&& opcode == B_ENTRY_MOVED ) {
entry_ref ref;
const char* name;
if( message->FindInt32("device", &ref.device) == B_OK
&& message->FindInt64("to directory", &ref.directory) == B_OK
&& message->FindString("name", &name) == B_OK ) {
ref.set_name(name);
mFile = ref;
}
}
if( mWatchMessage ) {
BMessage newMsg(*mWatchMessage);
ArpUpdateMessage(newMsg, *message);
mWatcher.SendMessage(&newMsg);
} else {
mWatcher.SendMessage(message);
}
return;
}
inherited::MessageReceived(message);
}
