// -----------------------------------------------------------------------------
// TMSCallSession::HandleDataXferBufferGetHndlCallL
//
// -----------------------------------------------------------------------------
//
void TMSCallSession::HandleDataXferBufferGetHndlCallL(
const RMessage2& aMessage)
{
TRACE_PRN_FN_ENT;
gint status(TMS_RESULT_DOES_NOT_EXIST);
RChunk chunk;
if (iCallAdpt &&(iActiveCallType == TMS_CALL_IP))
{
TMSCliSrvDataXferChunkHndlDataStructBufPckg pckg;
aMessage.ReadL(0, pckg);
status = static_cast<TMSCallIPAdpt*>(iCallAdpt)->GetDataXferBufferHndl(
pckg().CallType, pckg().StreamType, pckg().StreamId,
pckg().Key, chunk);
}
if (status == TMS_RESULT_SUCCESS && chunk.Handle() > 0)
{
aMessage.Complete(chunk);
}
else
{
// TODO: make sure error code is negative or zero
aMessage.Complete(0);
}
TRACE_PRN_FN_EXT;
}
PassRefPtr<SharedMemory> SharedMemory::create(size_t size)
{
// On Symbian, global chunks (shared memory segments) have system-unique names, so we pick a random
// number from the kernel's random pool and use it as a string.
// Using an integer simplifies serialization of the name in Handle::encode()
uint32_t random = Math::Random();
TBuf<KMaxKernelName> chunkName;
chunkName.Format(_L("%d"), random);
RChunk chunk;
TInt error = chunk.CreateGlobal(chunkName, size, size);
if (error) {
qCritical() << "Failed to create WK2 shared memory of size " << size << " with error " << error;
return 0;
}
RefPtr<SharedMemory> sharedMemory(adoptRef(new SharedMemory));
sharedMemory->m_handle = chunk.Handle();
sharedMemory->m_size = chunk.Size();
sharedMemory->m_data = static_cast<void*>(chunk.Base());
return sharedMemory.release();
}
PassRefPtr<SharedMemory> SharedMemory::create(const Handle& handle, Protection protection)
{
if (handle.isNull())
return 0;
// Convert number to string, and open the global chunk
TBuf<KMaxKernelName> chunkName;
chunkName.Format(_L("%d"), handle.m_chunkID);
RChunk chunk;
// NOTE: Symbian OS doesn't support read-only global chunks.
TInt error = chunk.OpenGlobal(chunkName, false);
if (error) {
qCritical() << "Failed to create WK2 shared memory from handle " << error;
return 0;
}
chunk.Adjust(chunk.MaxSize());
RefPtr<SharedMemory> sharedMemory(adoptRef(new SharedMemory));
sharedMemory->m_handle = chunk.Handle();
sharedMemory->m_size = chunk.Size();
sharedMemory->m_data = static_cast<void*>(chunk.Base());
return sharedMemory.release();
}