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#include "Log_Backend.h"
#include "ace/Env_Value_T.h"
#include "ace/Log_Msg.h"
#include "ace/Log_Record.h"
#include "ace/Get_Opt.h"
#include <iostream>
namespace DAnCE
{
NDDS_Log_Backend::NDDS_Log_Backend (void)
: domain_ (0),
participant_ (0),
topic_ (0),
publisher_ (0),
datawriter_ (0),
log_record_writer_ (0)
{
}
NDDS_Log_Backend::~NDDS_Log_Backend (void)
{
(void) this->close ();
}
int
NDDS_Log_Backend::init (int argc, ACE_TCHAR **argv)
{
ACE_Get_Opt opts (argc, argv, ACE_TEXT ("t:d:q:n:"), 0, 0,
ACE_Get_Opt::RETURN_IN_ORDER);
opts.long_option (ACE_TEXT ("topic"), 't', ACE_Get_Opt::ARG_REQUIRED);
opts.long_option (ACE_TEXT ("domain"), 'd', ACE_Get_Opt::ARG_REQUIRED);
opts.long_option (ACE_TEXT ("qos-file"), 'q', ACE_Get_Opt::ARG_REQUIRED);
opts.long_option (ACE_TEXT ("node-name"), 'n', ACE_Get_Opt::ARG_REQUIRED);
int c = 0;
while ((c = opts ()) != -1)
{
switch (c)
{
case 't':
this->topic_name_ = opts.opt_arg ();
break;
case 'd':
this->domain_ = ACE_OS::atoi (opts.opt_arg ());
break;
case 'q':
this->qos_file_ = opts.opt_arg ();
break;
case 'n':
this->node_ = opts.opt_arg ();
break;
default:
ACE_ERROR ((LM_ERROR, ACE_TEXT ("Unknown option for NDDS_Log_Backend: %s\n"),
opts.last_option ()));
}
}
return this->open (ACE_TEXT (""));
}
int
NDDS_Log_Backend::fini (void)
{
return 0;
}
int
NDDS_Log_Backend::info (ACE_TCHAR **, size_t) const
{
return 0;
}
int
NDDS_Log_Backend::get_configuration (const ACE_TCHAR *)
{
// for now, we ignore logger key until I figure out what to do with it.
ACE_Env_Value<long> env_domain (ACE_TEXT("DANCE_LOG_NDDS_DOMAIN"), this->domain_);
this->domain_ = env_domain;
ACE_Env_Value<const ACE_TCHAR *> env_topic (ACE_TEXT ("DANCE_LOG_NDDS_TOPIC"),
ACE_TEXT_CHAR_TO_TCHAR (this->topic_name_.c_str ()));
this->topic_name_ = ACE_TEXT_ALWAYS_CHAR (env_topic);
ACE_Env_Value<const ACE_TCHAR *> env_node (ACE_TEXT ("DANCE_LOG_NDDS_NODE_NAME"),
ACE_TEXT_CHAR_TO_TCHAR (this->node_.c_str ()));
this->node_ = ACE_TEXT_ALWAYS_CHAR (env_node);
return 0;
}
int
NDDS_Log_Backend::configure_dds (void)
{
this->participant_ = DDSDomainParticipantFactory::get_instance ()->
create_participant (this->domain_,
DDS_PARTICIPANT_QOS_DEFAULT,
0,
DDS_STATUS_MASK_NONE);
if (this->participant_ == 0)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::open - Failed to create participant\n")));
return -1;
}
DDS_ReturnCode_t retval
= Log_RecordTypeSupport::register_type (this->participant_,
Log_RecordTypeSupport::get_type_name ());
if (retval != DDS_RETCODE_OK)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::open - Failed to register type\n")));
(void) this->close ();
return -1;
}
this->topic_ = this->participant_->create_topic (this->topic_name_.c_str (),
Log_RecordTypeSupport::get_type_name (),
DDS_TOPIC_QOS_DEFAULT,
0,
DDS_STATUS_MASK_NONE);
if (this->topic_ == 0)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::open - Failed to create topic\n")));
this->close ();
return -1;
}
this->publisher_ = this->participant_->create_publisher (DDS_PUBLISHER_QOS_DEFAULT,
0,
DDS_STATUS_MASK_NONE);
if (this->publisher_ == 0)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::open - Failed to create publisher\n")));
this->close ();
return -1;
}
this->datawriter_ = this->publisher_->create_datawriter (this->topic_,
DDS_DATAWRITER_QOS_DEFAULT,
0,
DDS_STATUS_MASK_NONE);
if (this->datawriter_ == 0)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::open - Failed to open the datawriter\n")));
this->close ();
return -1;
}
log_record_writer_ = Log_RecordDataWriter::narrow (this->datawriter_);
return 0;
}
int
NDDS_Log_Backend::open (const ACE_TCHAR *logger_key)
{
if (this->get_configuration (logger_key) != 0)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::open - unable to get configuration\n")));
return -1;
}
if (this->configure_dds () != 0)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::open - unable to configure DDS entities\n")));
return -1;
}
return 0;
}
int
NDDS_Log_Backend::reset (void)
{
return this->close ();
}
int
NDDS_Log_Backend::close (void)
{
if (this->participant_ != 0)
{
DDS_ReturnCode_t retval =
this->participant_->delete_contained_entities ();
if (retval != DDS_RETCODE_OK)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::close - Unable to delete participant contained entities\n")));
}
retval = DDSDomainParticipantFactory::get_instance ()->delete_participant (this->participant_);
if (retval != DDS_RETCODE_OK)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("NDDS_Log_Backend::close - Unable to delete participant\n")));
}
}
this->participant_ = 0;
this->topic_ = 0;
this->publisher_ = 0;
this->datawriter_ = 0;
this->log_record_writer_ = 0;
return 0;
}
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 ();
}
ACE_FACTORY_DEFINE (DAnCE_NDDS_Log, NDDS_Log_Backend);
}
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