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// $Id$
#include "XML_Backing_Store.h"
#include "Server_Info.h"
#include "Activator_Info.h"
#include "utils.h"
#include "Locator_XMLHandler.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_strings.h"
#include "ace/OS_NS_ctype.h"
#include "ace/OS_NS_unistd.h"
#include "ACEXML/parser/parser/Parser.h"
#include "ACEXML/common/FileCharStream.h"
#include "ACEXML/common/XML_Util.h"
XML_Backing_Store::XML_Backing_Store(const Options& opts,
CORBA::ORB_ptr orb,
bool suppress_erase)
: Locator_Repository(opts, orb),
filename_(opts.persist_file_name())
{
if (opts.repository_erase() && !suppress_erase)
{
ACE_OS::unlink ( this->filename_.c_str () );
}
}
XML_Backing_Store::~XML_Backing_Store()
{
}
int
XML_Backing_Store::persistent_remove (const ACE_CString& , bool )
{
// one big XML file, need to persist everything
return persist();
}
int
XML_Backing_Store::persistent_update(const Server_Info_Ptr& , bool )
{
// one big XML file, need to persist everything
return persist();
}
int
XML_Backing_Store::persistent_update(const Activator_Info_Ptr& , bool )
{
// one big XML file, need to persist everything
return persist();
}
int
XML_Backing_Store::persist ()
{
FILE* fp = ACE_OS::fopen (this->filename_.c_str (), "w");
if (fp == 0)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("Couldn't write to file %C\n"),
this->filename_.c_str()));
return -1;
}
ACE_OS::fprintf (fp,"<?xml version=\"1.0\"?>\n");
ACE_OS::fprintf (fp,"<%s>\n", Locator_XMLHandler::ROOT_TAG);
// Save servers
Locator_Repository::SIMap::ENTRY* sientry = 0;
Locator_Repository::SIMap::ITERATOR siit (this->servers ());
for (; siit.next (sientry); siit.advance() )
{
persist(fp, *sientry->int_id_, "\t");
}
// Save Activators
Locator_Repository::AIMap::ENTRY* aientry = 0;
Locator_Repository::AIMap::ITERATOR aiit (this->activators ());
for (; aiit.next (aientry); aiit.advance ())
{
ACE_CString aname = aientry->ext_id_;
persist(fp, *aientry->int_id_, "\t");
}
ACE_OS::fprintf (fp,"</%s>\n", Locator_XMLHandler::ROOT_TAG);
ACE_OS::fclose (fp);
return 0;
}
void
XML_Backing_Store::persist (FILE* fp,
const Server_Info& info,
const char* tag_prepend,
const NameValues& name_values)
{
ACE_CString server_id = ACEXML_escape_string (info.server_id);
ACE_CString name = ACEXML_escape_string (info.name);
ACE_CString activator = ACEXML_escape_string (info.activator);
ACE_CString cmdline = ACEXML_escape_string (info.cmdline);
ACE_CString wdir = ACEXML_escape_string (info.dir);
ACE_CString partial_ior = ACEXML_escape_string (info.partial_ior);
ACE_CString ior = ACEXML_escape_string (info.ior);
ACE_OS::fprintf (fp,"%s<%s", tag_prepend,
Locator_XMLHandler::SERVER_INFO_TAG);
ACE_OS::fprintf (fp," server_id=\"%s\"", server_id.c_str ());
ACE_OS::fprintf (fp," name=\"%s\"", name.c_str ());
ACE_OS::fprintf (fp," activator=\"%s\"", activator.c_str ());
ACE_OS::fprintf (fp," command_line=\"%s\"", cmdline.c_str ());
ACE_OS::fprintf (fp," working_dir=\"%s\"", wdir.c_str ());
ACE_CString amodestr =
ImR_Utils::activationModeToString (info.activation_mode);
ACE_OS::fprintf (fp," activation_mode=\"%s\"", amodestr.c_str ());
ACE_OS::fprintf (fp," start_limit=\"%d\"", info.start_limit);
ACE_OS::fprintf (fp," partial_ior=\"%s\"", partial_ior.c_str ());
ACE_OS::fprintf (fp," ior=\"%s\"", ior.c_str ());
ACE_OS::fprintf (fp," started=\"%d\"", !CORBA::is_nil(info.server.in()));
ACE_OS::fprintf (fp," jacorb_server=\"%d\"", info.jacorb_server);
NameValues::const_iterator name_value;
for (name_value = name_values.begin(); name_value != name_values.end(); ++name_value)
{
ACE_OS::fprintf (fp," %s=\"%s\"",
name_value->first.c_str(), name_value->second.c_str());
}
const CORBA::ULong length = info.env_vars.length ();
if (length > 0)
{
ACE_OS::fprintf (fp,">\n");
for (CORBA::ULong i = 0; i < info.env_vars.length (); ++i)
{
ACE_OS::fprintf (fp,"%s\t<%s", tag_prepend,
Locator_XMLHandler::ENVIRONMENT_TAG);
ACE_OS::fprintf (fp," name=\"%s\"", info.env_vars[i].name.in ());
ACE_CString val = ACEXML_escape_string(info.env_vars[i].value.in());
ACE_OS::fprintf (fp," value=\"%s\"", val.c_str());
ACE_OS::fprintf (fp,"/>\n");
}
ACE_OS::fprintf (fp,"%s</%s>\n", tag_prepend,
Locator_XMLHandler::SERVER_INFO_TAG);
}
else
{
ACE_OS::fprintf (fp,"/>\n");
}
}
void
XML_Backing_Store::persist (FILE* fp,
const Activator_Info& info,
const char* tag_prepend,
const NameValues& name_values)
{
ACE_OS::fprintf (fp,"%s<%s", tag_prepend,
Locator_XMLHandler::ACTIVATOR_INFO_TAG);
ACE_OS::fprintf( fp," name=\"%s\"", info.name.c_str ());
ACE_OS::fprintf (fp," token=\"%d\"", info.token);
ACE_OS::fprintf (fp," ior=\"%s\"", info.ior.c_str ());
NameValues::const_iterator name_value;
for (name_value = name_values.begin(); name_value != name_values.end(); ++name_value)
{
ACE_OS::fprintf (fp," %s=\"%s\"",
name_value->first.c_str(), name_value->second.c_str());
}
ACE_OS::fprintf (fp,"/>\n");
}
int
XML_Backing_Store::init_repo(PortableServer::POA_ptr )
{
// ignore load return since files don't have to exist
load(this->filename_);
return 0;
}
int
XML_Backing_Store::load (const ACE_TString& filename, FILE* open_file)
{
Locator_XMLHandler xml_handler (*this, this->orb_.in());
return load(filename, xml_handler, this->opts_.debug(), open_file);
}
int
XML_Backing_Store::load (const ACE_TString& filename,
ACEXML_DefaultHandler& xml_handler,
unsigned int debug,
FILE* open_file)
{
// xml input source will take ownership
ACEXML_FileCharStream* fstm;
ACE_NEW_RETURN (fstm,
ACEXML_FileCharStream,
-1);
int err;
// use the open_file stream if it is provided
if (open_file != 0)
err = fstm->use_stream(open_file,
filename.c_str());
else
err = fstm->open (filename.c_str());
if (debug > 9)
{
ACE_DEBUG ((LM_INFO, ACE_TEXT ("load %s%C\n"), filename.c_str(),
((err == 0) ? ACE_TEXT ("")
: ACE_TEXT (" (file doesn't exist)"))));
}
if (err != 0)
{
delete fstm;
return err;
}
ACEXML_Parser parser;
// InputSource takes ownership
ACEXML_InputSource input (fstm);
parser.setContentHandler (&xml_handler);
parser.setDTDHandler (&xml_handler);
parser.setErrorHandler (&xml_handler);
parser.setEntityResolver (&xml_handler);
try
{
parser.parse (&input);
}
catch (const ACEXML_Exception& ex)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Error during load of ImR persistence xml file (%s)."),
filename.c_str()));
ex.print ();
return -1;
}
catch ( const ACEXML_SAXParseException* sax_ex)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Error during load of ImR persistence xml file (%s)."),
filename.c_str()));
sax_ex->print ();
return -1;
}
return 0;
}
const ACE_TCHAR*
XML_Backing_Store::repo_mode() const
{
return this->filename_.c_str();
}
void
XML_Backing_Store::load_server (
const ACE_CString& server_id,
const ACE_CString& server_name,
bool jacorb_server,
const ACE_CString& activator_name,
const ACE_CString& startup_cmd,
const ImplementationRepository::EnvironmentList& env_vars,
const ACE_CString& working_dir,
ImplementationRepository::ActivationMode actmode,
int start_limit,
const ACE_CString& partial_ior,
const ACE_CString& ior,
bool server_started,
const NameValues& )
{
const int limit = start_limit < 1 ? 1 : start_limit;
Server_Info *serv_inf;
ACE_NEW (serv_inf,
Server_Info (server_id, server_name, jacorb_server,
activator_name, startup_cmd, env_vars,
working_dir, actmode, limit,
partial_ior, ior));
Server_Info_Ptr si (serv_inf);
this->servers().rebind(server_name, si);
create_server(server_started, si);
}
void
XML_Backing_Store::create_server(bool server_started,
const Server_Info_Ptr& si)
{
if (!server_started || si->ior.is_empty())
return;
CORBA::Object_var obj = this->orb_->string_to_object(si->ior.c_str());
if (!CORBA::is_nil(obj.in()))
{
si->server =
ImplementationRepository::ServerObject::_unchecked_narrow (obj.in());
si->last_ping = ACE_Time_Value::zero;
}
else
si->server = ImplementationRepository::ServerObject::_nil();
}
void
XML_Backing_Store::load_activator (const ACE_CString& activator_name,
long token,
const ACE_CString& ior,
const NameValues& )
{
Activator_Info *ai;
ACE_NEW (ai,
Activator_Info (activator_name, token, ior));
Activator_Info_Ptr info (ai);
this->activators().rebind(activator_name, info);
}
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