//***************************************************************************
//
// Method: handle_write_file
//
// Description: Callback used when a write completes
//
// Inputs: write file result structure containing message block
//
// Returns: none
//
//***************************************************************************
void
FileIOHandler::handle_write_file(const ACE_Asynch_Write_File::Result &result)
{
ACE_DEBUG((LM_INFO, ACE_TEXT("Finished write\n")));
// When the write completes, we get the message block. It's been sent,
// so we just deallocate it.
result.message_block().release();
#if defined (ACE_WIN32)
// to circumvent problems on older Win32 (see above) we schedule a read here if none
// is pending yet.
if (!this->read_pending_)
{
ACE_Message_Block *mb;
ACE_NEW_NORETURN(mb, ACE_Message_Block(FILE_FRAME_SIZE));
if (reader_.read(*mb, mb->space(),
(this->block_count_ - 1) * FILE_FRAME_SIZE) != 0)
{
int errnr = ACE_OS::last_error ();
ACE_DEBUG(
(LM_INFO, ACE_TEXT("%p [%d]\n"), ACE_TEXT("FileIOHandler read after write failed"), errnr));
mb->release();
}
else
{
this->read_pending_ = true;
}
}
#endif
}
void
Writer::handle_write_file (const ACE_Asynch_Write_File::Result &result)
{
ACE_Message_Block *mb = &result.message_block ();
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Writer::handle_write_file at offset %d wrote %d\n"),
this->reported_file_offset_,
result.bytes_transferred ()));
this->reported_file_offset_ +=
static_cast<u_long> (result.bytes_transferred ());
// Always truncate as required,
// because partial will always be the last write to a file
ACE_Message_Block *last_mb = mb;
last_chunk (mb, last_mb);
if (last_mb->space ())
ACE_OS::truncate (output_file,
this->reported_file_offset_ -
static_cast<u_long> (last_mb->space ()));
free_chunks_chain (mb);
--this->io_count_;
// end of process?
if (0 == this->receiver_count_ &&
0 == this->io_count_)
{
ACE_TEST_ASSERT (0 == this->odd_chain_ && 0 == this->even_chain_);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Writer::handle_write_file")
ACE_TEXT (" - ending proactor event loop\n")));
ACE_Proactor::instance ()->end_event_loop ();
delete this;
}
}
void
Simple_Tester::handle_write_file (const ACE_Asynch_Write_File::Result &result)
{
ACE_DEBUG ((LM_DEBUG, "handle_write_File called\n"));
// Reset pointers
result.message_block ().rd_ptr (result.message_block ().rd_ptr () - result.bytes_transferred ());
result.message_block ().rd_ptr ()[result.bytes_transferred ()] = '\0';
ACE_DEBUG ((LM_DEBUG, "********************\n"));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_write", result.bytes_to_write ()));
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 */
ACE_Proactor::end_event_loop ();
}
void
Receiver::handle_write_file (const ACE_Asynch_Write_File::Result &result)
{
ACE_DEBUG ((LM_DEBUG, "handle_write_file called\n"));
ACE_DEBUG ((LM_DEBUG, "********************\n"));
ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_write", result.bytes_to_write ()));
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"));
result.message_block ().release ();
if (result.success ())
// Write successful: Increment file offset
this->file_offset_ +=
ACE_Utils::truncate_cast<u_long> (result.bytes_transferred ());
// This code is not robust enough to deal with short file writes
// (which hardly ever happen) ;-)
ACE_ASSERT (result.bytes_to_write () == result.bytes_transferred ());
}
