void
Sender::handle_read_file (const ACE_Asynch_Read_File::Result &result)
{
ACE_Message_Block *mb = &result.message_block ();
if (result.error () == 0 && result.bytes_transferred () != 0)
{
size_t bytes_transferred = result.bytes_transferred ();
size_t chunks_chain_size = mb->total_size ();
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Sender::handle_read_file, read %d, ")
ACE_TEXT ("chain total %d\n"),
bytes_transferred,
chunks_chain_size));
this->file_offset_ += static_cast<u_long> (bytes_transferred);
this->initiate_write_stream (*mb);
// and read more if required
if (bytes_transferred == chunks_chain_size)
this->initiate_read_file ();
}
else
free_chunks_chain (mb);
--this->io_count_;
this->check_destroy ();
}
//***************************************************************************
//
// Method: handle_read_file
//
// Description: Callback used when a read completes
//
// Inputs: read file result structure containing message block
//
// Returns: none
//
//***************************************************************************
void
FileIOHandler::handle_read_file(const ACE_Asynch_Read_File::Result &result)
{
ACE_Message_Block &mb = result.message_block();
// If the read failed, queue up another one using the same message block
if (!result.success() || result.bytes_transferred() == 0)
{
//ACE_DEBUG((LM_INFO, ACE_TEXT("FileIOHandler receive timeout.\n")));
reader_.read(mb,
mb.space(),
result.offset () + result.bytes_transferred ());
}
else
{
// We have a message block with some read data in it. Send it onward
ACE_DEBUG((LM_INFO, ACE_TEXT("FileIOHandler received %d bytes of data at offset %d\n"),
result.bytes_transferred(), result.offset ()));
// TODO: Process this data in some meaningful way
if (result.offset () != (unsigned long)*reinterpret_cast<unsigned char*> (mb.rd_ptr ()))
{
ACE_DEBUG((LM_ERROR, ACE_TEXT("FileIOHandler received incorrect data: got [%u] expected [%u]\n"),
*reinterpret_cast<unsigned char*> (mb.rd_ptr ()), result.offset ()));
}
// Release the message block when we're done with it
mb.release();
if ((result.offset () + result.bytes_transferred ()) < 256)
{
// Our processing is done; prime the read process again
ACE_Message_Block *new_mb;
ACE_NEW_NORETURN(new_mb, ACE_Message_Block(FILE_FRAME_SIZE));
if (reader_.read(*new_mb, new_mb->space(),
result.offset () + result.bytes_transferred ()) != 0)
{
int errnr = ACE_OS::last_error ();
ACE_DEBUG(
(LM_INFO, ACE_TEXT("%p [%d]\n"), ACE_TEXT("FileIOHandler continuing read failed"), errnr));
new_mb->release();
#if defined (ACE_WIN32)
this->read_pending_ = false;
}
else
{
this->read_pending_ = true;
#endif
}
}
else
{
// we have it all; stop the proactor
ACE_Proactor::instance ()->proactor_end_event_loop ();
}
}
}
void
Sender::handle_read_file (const ACE_Asynch_Read_File::Result &result)
{
ACE_DEBUG ((LM_DEBUG,
"handle_read_file called\n"));
result.message_block ().rd_ptr ()[result.bytes_transferred ()] = '\0';
ACE_DEBUG ((LM_DEBUG, "********************\n"));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_read", result.bytes_to_read ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "handle", result.handle ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_transfered", result.bytes_transferred ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "act", (uintptr_t) result.act ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "success", result.success ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "completion_key", (uintptr_t) result.completion_key ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "error", result.error ()));
ACE_DEBUG ((LM_DEBUG, "********************\n"));
//ACE_DEBUG ((LM_DEBUG, "%s = %s\n", "message_block", result.message_block ().rd_ptr ()));
if (result.success ())
{
// Read successful: increment offset and write data to network.
// Note how we reuse the <ACE_Message_Block> for the writing.
// Therefore, we do not delete this buffer because it is handled
// in <handle_write_stream>.
this->file_offset_ +=
ACE_Utils::truncate_cast<u_long> (result.bytes_transferred ());
if (this->ws_.write (result.message_block (),
result.bytes_transferred ()) == -1)
{
ACE_ERROR ((LM_ERROR,
"%p\n",
"ACE_Asynch_Write_Stream::write"));
return;
}
if (this->file_size_ > this->file_offset_)
{
// Start an asynchronous read file.
if (initiate_read_file () == -1)
return;
}
}
}
void
Simple_Tester::handle_read_file (const ACE_Asynch_Read_File::Result &result)
{
ACE_DEBUG ((LM_DEBUG, "handle_read_file called\n"));
result.message_block ().rd_ptr ()[result.bytes_transferred ()] = '\0';
ACE_DEBUG ((LM_DEBUG, "********************\n"));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_read", result.bytes_to_read ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "handle", result.handle ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_transfered", result.bytes_transferred ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "act", (u_long) result.act ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "success", result.success ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "completion_key", (u_long) result.completion_key ()));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "error", result.error ()));
ACE_DEBUG ((LM_DEBUG, "********************\n"));
// Watch out if you need to enable this... the ACE_Log_Record::MAXLOGMSGLEN
// value controls to max length of a log record, and a large output
// buffer may smash it.
#if 0
ACE_DEBUG ((LM_DEBUG, "%s = %s\n",
"message_block",
result.message_block ().rd_ptr ()));
#endif /* 0 */
if (result.success ())
{
// Read successful: write this to the file.
if (this->wf_.write (result.message_block (),
result.bytes_transferred ()) == -1)
{
ACE_ERROR ((LM_ERROR, "%p\n", "ACE_Asynch_Write_File::write"));
return;
}
}
}