ssize_t
NDDS_Log_Backend::log (ACE_Log_Record &log_record)
{
Log_Record *instance (0);
instance = Log_RecordTypeSupport::create_data_ex (DDS_BOOLEAN_FALSE);
if (instance == 0)
{
ACE_ERROR ((LM_EMERGENCY, ACE_TEXT ("Unable to create data sample for log record\n")));
return 0;
}
instance->node = this->node_.c_str ();
instance->pid = log_record.pid ();
instance->pid = log_record.pid ();
instance->message = ACE_TEXT_ALWAYS_CHAR (log_record.msg_data ());
DDS_ReturnCode_t const retval =
this->log_record_writer_->write (*instance, DDS_HANDLE_NIL);
if (retval != DDS_RETCODE_OK)
{
ACE_ERROR ((LM_EMERGENCY, ACE_TEXT ("Unable to write log record to DDS\n")));
return 0;
}
if (instance != 0)
{
Log_RecordTypeSupport::delete_data_ex (instance,
DDS_BOOLEAN_FALSE);
}
return log_record.msg_data_len ();
}
int
operator<< (ACE_OutputCDR &cdr,
const ACE_Log_Record &log_record)
{
// The written message length can't be more than 32 bits (ACE_CDR::ULong)
// so reduce it here if needed.
ACE_CDR::ULong u_msglen =
ACE_Utils::truncate_cast<ACE_CDR::ULong> (log_record.msg_data_len ());
// Insert each field from <log_record> into the output CDR stream.
cdr << ACE_CDR::Long (log_record.type ());
cdr << ACE_CDR::Long (log_record.pid ());
cdr << ACE_CDR::LongLong (log_record.time_stamp ().sec ());
cdr << ACE_CDR::Long (log_record.time_stamp ().usec ());
cdr << u_msglen;
#if defined (ACE_USES_WCHAR)
cdr.write_wchar_array (log_record.msg_data (), u_msglen);
#else
cdr.write_char_array (log_record.msg_data (), u_msglen);
#endif /* ACE_USES_WCHAR */
return cdr.good_bit ();
}
ssize_t
ACE_Log_Msg_NT_Event_Log::log (ACE_Log_Record &log_record)
{
// Make a copy of the log text and replace any newlines with
// CR-LF. Newline characters on their own do not appear correctly in
// the event viewer. We allow for a doubling in the size of the msg
// data for the worst case of all newlines.
const ACE_TCHAR *src_msg_data = log_record.msg_data ();
ACE_TCHAR msg_data [(ACE_Log_Record::MAXLOGMSGLEN * 2) + 1];
size_t maxlen = ACE_Log_Record::MAXLOGMSGLEN;
if (ACE_Log_Record::MAXLOGMSGLEN > log_record.msg_data_len ())
maxlen = log_record.msg_data_len ();
size_t end = 0;
for (size_t i = 0, j = 0;
i < maxlen;
++i)
{
if (src_msg_data[i] == '\n')
{
msg_data[j++] = '\r';
msg_data[j++] = '\n';
}
else
msg_data[j++] = src_msg_data[i];
end = j;
}
msg_data[end] = '\0';
// Map the ACE log record type to an event log type.
WORD event_type;
switch (log_record.type ())
{
case LM_STARTUP:
case LM_SHUTDOWN:
case LM_TRACE:
case LM_DEBUG:
case LM_INFO:
event_type = EVENTLOG_INFORMATION_TYPE;
break;
case LM_NOTICE:
case LM_WARNING:
event_type = EVENTLOG_WARNING_TYPE;
break;
case LM_ERROR:
case LM_CRITICAL:
case LM_ALERT:
case LM_EMERGENCY:
default:
event_type = EVENTLOG_ERROR_TYPE;
break;
}
// Send the log message to the system event log.
const ACE_TCHAR* msgs [1];
msgs[0] = msg_data;
if (ACE_TEXT_ReportEvent (this->evlog_handle_,
event_type, 0, 0, 0, 1, 0, msgs, 0) == 0)
return -1;
else
return 0;
}
ssize_t
ACE_Log_Msg_IPC::log (ACE_Log_Record &log_record)
{
// Serialize the log record using a CDR stream, allocate enough
// space for the complete <ACE_Log_Record>.
size_t const max_payload_size =
4 // type
+ 4 // pid
+ 12 // timestamp
+ 4 // process id
+ 4 // data length
#if defined (ACE_USES_WCHAR)
+ (log_record.msg_data_len () * ACE_OutputCDR::wchar_maxbytes()) // message
#else
+ log_record.msg_data_len () // message
#endif
+ ACE_CDR::MAX_ALIGNMENT; // padding;
// Insert contents of <log_record> into payload stream.
ACE_OutputCDR payload (max_payload_size);
payload << log_record;
// Get the number of bytes used by the CDR stream. If it becomes desireable
// to support payloads more than 4GB, this field will need to be changed
// to a 64-bit value.
ACE_CDR::ULong length =
ACE_Utils::truncate_cast<ACE_CDR::ULong> (payload.total_length ());
// Send a header so the receiver can determine the byte order and
// size of the incoming CDR stream.
ACE_OutputCDR header (ACE_CDR::MAX_ALIGNMENT + 8);
header << ACE_OutputCDR::from_boolean (ACE_CDR_BYTE_ORDER);
// Store the size of the payload that follows
header << ACE_CDR::ULong (length);
// Use an iovec to send both buffer and payload simultaneously.
iovec iov[2];
iov[0].iov_base = header.begin ()->rd_ptr ();
iov[0].iov_len = 8;
iov[1].iov_base = payload.begin ()->rd_ptr ();
iov[1].iov_len = length;
#if defined (ACE_HAS_STREAM_PIPES)
// Use the <putpmsg> API if supported to ensure correct message
// queueing according to priority.
ACE_Str_Buf header_msg (static_cast<void *> (header.begin ()->rd_ptr ()),
static_cast<int> (8));
ACE_Str_Buf payload_msg (static_cast<void *> (payload.begin ()->rd_ptr ()),
static_cast<int> (length));
return this->message_queue_.send (&header_msg,
&payload_msg,
static_cast<int> (log_record.priority ()),
MSG_BAND);
#else
// We're running over sockets, so send header and payload
// efficiently using "gather-write".
return this->message_queue_.sendv_n (iov, 2);
#endif /* ACE_HAS_STREAM_PIPES */
}
