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#include "Plugin_Conf.h"
#include "ace/Read_Buffer.h"
#include "ace/Tokenizer_T.h"
#include "dance/Logger/Log_Macros.h"
#include "dance/DAnCE_PropertiesC.h"
#include "Inst_Handler_Impl.h"
#include "Interceptor_Handler_Impl.h"
#include "Config_Handler_Impl.h"
#include <vector>
#include <iostream>
namespace DAnCE
{
void
Plugin_Configurator::load_from_text_file (const ACE_TCHAR *file)
{
DANCE_TRACE ("Plugin_Configurator::load_from_text_file");
if (!file)
{
DANCE_ERROR (DANCE_LOG_ERROR,
(LM_ERROR, DLINFO ACE_TEXT("Plugin_Configurator::load_from_text_file - ")
ACE_TEXT("Error: Provided with nil filename\n")));
return;
}
FILE *inf = ACE_OS::fopen (file, ACE_TEXT("r"));
if (!inf)
{
DANCE_ERROR (DANCE_LOG_ERROR,
(LM_ERROR, DLINFO ACE_TEXT("Plugin_Configurator::load_from_text_file - ")
ACE_TEXT("Fail to open plugin data file: <%s>\n"),
file));
return;
}
::Deployment::DeploymentPlan plan;
ACE_Read_Buffer reader (inf, true);
char * string = 0;
CORBA::ULong pos (0);
// Read from the file line by line
while ((string = reader.read ('\n')) != 0)
{
try
{
size_t const len = ACE_OS::strlen (string);
if (len != 0)
{
// If a line starts with # it is a comment line, we skip it,
// but inform the user in case logging has been enabled
if (string[0] == '#')
{
DANCE_DEBUG (DANCE_LOG_EVENT_TRACE,
(LM_DEBUG, DLINFO
ACE_TEXT ("Plugin_Configurator::load_from_text_file - ")
ACE_TEXT ("Skipping comment line <%C>\n"),
string));
}
else
{
std::istringstream tokenizer (string);
std::vector< std::string > tokens;
std::copy (std::istream_iterator< std::string > (tokenizer),
std::istream_iterator <std::string > (),
std::back_inserter < std::vector < std::string > > (tokens));
if (tokens.size () < 3 || tokens.size () > 4)
{
DANCE_ERROR (DANCE_LOG_ERROR,
(LM_ERROR, DLINFO
ACE_TEXT ("Plugin_Configurator::load_from_text_file - ")
ACE_TEXT ("Skipping line <%C>, wrong format. Got %u tokens instead of 3 or 4\n"),
string,
tokens.size ()));
}
else
{
int open_mode = ACE_DEFAULT_SHLIB_MODE;
DANCE_DEBUG (DANCE_LOG_EVENT_TRACE,
(LM_DEBUG, DLINFO
ACE_TEXT ("Plugin_Configurator::load_from_text_file - ")
ACE_TEXT ("Attempting to load plugin of type <%C>, artifact <%C>, entrypoint <%C>, open_mode <%C>\n"),
tokens[0].c_str (),
tokens[1].c_str (),
tokens[2].c_str (),
tokens.size () == 4 ? tokens[3].c_str() : 0));
if (tokens.size() == 4)
{
open_mode = ACE_OS::atoi (tokens[3].c_str());
}
if (ACE_OS::strcmp (tokens[0].c_str (),
DAnCE::DANCE_INSTALLATIONHANDLER) == 0)
{
this->create_entry (tokens[1].c_str (), tokens[2].c_str (),
DAnCE::DANCE_INSTALLATIONHANDLER,
open_mode,
plan, pos++);
}
else if (ACE_OS::strcmp (tokens[0].c_str (),
DAnCE::DANCE_DEPLOYMENTINTERCEPTOR) == 0)
{
this->create_entry (tokens[1].c_str (), tokens[2].c_str (),
DAnCE::DANCE_DEPLOYMENTINTERCEPTOR,
open_mode,
plan, pos++);
}
else if (ACE_OS::strcmp (tokens[0].c_str (),
DAnCE::DANCE_CONFIGPLUGIN) == 0)
{
this->create_entry (tokens[1].c_str (), tokens[2].c_str (),
DAnCE::DANCE_CONFIGPLUGIN,
open_mode,
plan, pos++);
}
else
{
DANCE_ERROR (DANCE_LOG_ERROR,
(LM_ERROR, DLINFO
ACE_TEXT ("Plugin_Configurator::load_from_text_file - ")
ACE_TEXT ("Skipping line <%C>, bad type name\n"),
string));
}
}
}
}
}
catch (...)
{
throw;
}
reader.alloc ()->free (string);
}
this->deploy_plan (plan);
}
void
Plugin_Configurator::deploy_plan (::Deployment::DeploymentPlan &plan)
{
DANCE_TRACE ("Plugin_Configurator::deploy_plan");
DAnCE::Inst_Handler_Impl inst_handler;
DAnCE::Interceptor_Handler_Impl interceptor_handler;
DAnCE::Config_Handler_Impl config_handler;
for (CORBA::ULong i = 0; i < plan.instance.length (); ++i)
{
if (plan.instance[i].implementationRef >= plan.implementation.length ())
{
DANCE_ERROR (DANCE_LOG_ERROR,
(LM_ERROR, DLINFO
ACE_TEXT ("Plugin_Configurator::deploy_plan - ")
ACE_TEXT ("Invalid implementationRef for instance <%C>\n"),
plan.instance[i].name.in ()));
continue;
}
::Deployment::MonolithicDeploymentDescription &mdd =
plan.implementation[plan.instance[i].implementationRef];
CORBA::String_var inst_type =
DAnCE::Utility::get_instance_type (mdd.execParameter);
if (ACE_OS::strcmp (inst_type.in (),
DAnCE::DANCE_INSTALLATIONHANDLER) == 0)
{
CORBA::Any_var any;
inst_handler.install_instance (plan, i, any.out ());
}
else if (ACE_OS::strcmp (inst_type.in (),
DAnCE::DANCE_DEPLOYMENTINTERCEPTOR) == 0)
{
CORBA::Any_var any;
interceptor_handler.install_instance (plan, i, any.out ());
}
else if (ACE_OS::strcmp (inst_type.in (),
DAnCE::DANCE_CONFIGPLUGIN) == 0)
{
CORBA::Any_var any;
config_handler.install_instance (plan, i, any.out ());
}
}
}
void
Plugin_Configurator::create_entry (const char *artifact,
const char *entrypoint,
const char *type,
int open_mode,
::Deployment::DeploymentPlan &plan,
CORBA::ULong pos)
{
DANCE_TRACE ("Plugin_Configurator::create_entry");
plan.implementation.length (pos + 1);
plan.implementation[pos].name = artifact;
plan.implementation[pos].execParameter.length (4);
plan.implementation[pos].execParameter[0].name = DAnCE::DANCE_PLUGIN_ARTIFACT;
plan.implementation[pos].execParameter[0].value <<=
CORBA::Any::from_string (artifact, 0);
plan.implementation[pos].execParameter[1].name = DAnCE::DANCE_PLUGIN_ENTRYPT;
plan.implementation[pos].execParameter[1].value <<=
CORBA::Any::from_string (entrypoint, 0);
plan.implementation[pos].execParameter[2].name = DAnCE::DANCE_PLUGIN_OPENMODE;
plan.implementation[pos].execParameter[2].value <<= open_mode;
plan.implementation[pos].execParameter[3].name = DAnCE::IMPL_TYPE;
plan.implementation[pos].execParameter[3].value <<=
CORBA::Any::from_string (type, 0);
plan.instance.length (pos + 1);
plan.instance[pos].name = entrypoint;
plan.instance[pos].implementationRef = pos;
}
}
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