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DataBase.cpp
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DataBase.cpp
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/*----- PROTECTED REGION ID(DataBase.cpp) ENABLED START -----*/
static const char *RcsId = "$Id$";
//=============================================================================
//
// file : DataBase.cpp
//
// description : C++ source for the DataBase and its commands.
// The class is derived from Device. It represents the
// CORBA servant object which will be accessed from the
// network. All commands which can be executed on the
// DataBase are implemented in this file.
//
// project : TANGO Database server.
//
// $Author$
//
// Copyright (C) : 2004,2005,2006,2007,2008,2009,2010,2011,2012,2013
// European Synchrotron Radiation Facility
// BP 220, Grenoble 38043
// FRANCE
//
// This file is part of Tango.
//
// Tango is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Tango is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Tango. If not, see <http://www.gnu.org/licenses/>.
//
// $Revision$
// $Date$
//
// $HeadURL$
//
//=============================================================================
// This file is generated by POGO
// (Program Obviously used to Generate tango Object)
//=============================================================================
#include <tango.h>
#include <DataBase.h>
#include <DataBaseClass.h>
#include <stdio.h>
#include <algorithm>
/*----- PROTECTED REGION END -----*/ // DataBase.cpp
/**
* DataBase class description:
* This class manage the TANGO database.
*/
//================================================================
// The following table gives the correspondence
// between command and method names.
//
// Command name | Method name
//================================================================
// State | dev_state
// Status | Inherited (no method)
// DbAddDevice | db_add_device
// DbAddServer | db_add_server
// DbDeleteAttributeAlias | db_delete_attribute_alias
// DbDeleteClassAttribute | db_delete_class_attribute
// DbDeleteClassAttributeProperty | db_delete_class_attribute_property
// DbDeleteClassProperty | db_delete_class_property
// DbDeleteDevice | db_delete_device
// DbDeleteDeviceAlias | db_delete_device_alias
// DbDeleteDeviceAttribute | db_delete_device_attribute
// DbDeleteDeviceAttributeProperty | db_delete_device_attribute_property
// DbDeleteDeviceProperty | db_delete_device_property
// DbDeleteProperty | db_delete_property
// DbDeleteServer | db_delete_server
// DbDeleteServerInfo | db_delete_server_info
// DbExportDevice | db_export_device
// DbExportEvent | db_export_event
// DbGetAliasDevice | db_get_alias_device
// DbGetAttributeAlias | db_get_attribute_alias
// DbGetAttributeAliasList | db_get_attribute_alias_list
// DbGetClassAttributeList | db_get_class_attribute_list
// DbGetClassAttributeProperty | db_get_class_attribute_property
// DbGetClassAttributeProperty2 | db_get_class_attribute_property2
// DbGetClassAttributePropertyHist | db_get_class_attribute_property_hist
// DbGetClassForDevice | db_get_class_for_device
// DbGetClassInheritanceForDevice | db_get_class_inheritance_for_device
// DbGetClassList | db_get_class_list
// DbGetClassProperty | db_get_class_property
// DbGetClassPropertyHist | db_get_class_property_hist
// DbGetClassPropertyList | db_get_class_property_list
// DbGetDeviceAlias | db_get_device_alias
// DbGetDeviceAliasList | db_get_device_alias_list
// DbGetDeviceAttributeList | db_get_device_attribute_list
// DbGetDeviceAttributeProperty | db_get_device_attribute_property
// DbGetDeviceAttributeProperty2 | db_get_device_attribute_property2
// DbGetDeviceAttributePropertyHist | db_get_device_attribute_property_hist
// DbGetDeviceClassList | db_get_device_class_list
// DbGetDeviceDomainList | db_get_device_domain_list
// DbGetDeviceExportedList | db_get_device_exported_list
// DbGetDeviceFamilyList | db_get_device_family_list
// DbGetDeviceInfo | db_get_device_info
// DbGetDeviceList | db_get_device_list
// DbGetDeviceWideList | db_get_device_wide_list
// DbGetDeviceMemberList | db_get_device_member_list
// DbGetDeviceProperty | db_get_device_property
// DbGetDevicePropertyHist | db_get_device_property_hist
// DbGetDevicePropertyList | db_get_device_property_list
// DbGetDeviceServerClassList | db_get_device_server_class_list
// DbGetExportdDeviceListForClass | db_get_exportd_device_list_for_class
// DbGetHostList | db_get_host_list
// DbGetHostServerList | db_get_host_server_list
// DbGetHostServersInfo | db_get_host_servers_info
// DbGetInstanceNameList | db_get_instance_name_list
// DbGetObjectList | db_get_object_list
// DbGetProperty | db_get_property
// DbGetPropertyHist | db_get_property_hist
// DbGetPropertyList | db_get_property_list
// DbGetServerInfo | db_get_server_info
// DbGetServerList | db_get_server_list
// DbGetServerNameList | db_get_server_name_list
// DbImportDevice | db_import_device
// DbImportEvent | db_import_event
// DbInfo | db_info
// DbPutAttributeAlias | db_put_attribute_alias
// DbPutClassAttributeProperty | db_put_class_attribute_property
// DbPutClassAttributeProperty2 | db_put_class_attribute_property2
// DbPutClassProperty | db_put_class_property
// DbPutDeviceAlias | db_put_device_alias
// DbPutDeviceAttributeProperty | db_put_device_attribute_property
// DbPutDeviceAttributeProperty2 | db_put_device_attribute_property2
// DbPutDeviceProperty | db_put_device_property
// DbPutProperty | db_put_property
// DbPutServerInfo | db_put_server_info
// DbUnExportDevice | db_un_export_device
// DbUnExportEvent | db_un_export_event
// DbUnExportServer | db_un_export_server
// ResetTimingValues | reset_timing_values
// DbGetDataForServerCache | db_get_data_for_server_cache
// DbDeleteAllDeviceAttributeProperty | db_delete_all_device_attribute_property
// DbMySqlSelect | db_my_sql_select
// DbGetCSDbServerList | db_get_csdb_server_list
// DbGetAttributeAlias2 | db_get_attribute_alias2
// DbGetAliasAttribute | db_get_alias_attribute
// DbRenameServer | db_rename_server
// DbGetClassPipeProperty | db_get_class_pipe_property
// DbGetDevicePipeProperty | db_get_device_pipe_property
// DbDeleteClassPipe | db_delete_class_pipe
// DbDeleteDevicePipe | db_delete_device_pipe
// DbDeleteClassPipeProperty | db_delete_class_pipe_property
// DbDeleteDevicePipeProperty | db_delete_device_pipe_property
// DbGetClassPipeList | db_get_class_pipe_list
// DbGetDevicePipeList | db_get_device_pipe_list
// DbDeleteAllDevicePipeProperty | db_delete_all_device_pipe_property
// DbPutClassPipeProperty | db_put_class_pipe_property
// DbPutDevicePipeProperty | db_put_device_pipe_property
// DbGetClassPipePropertyHist | db_get_class_pipe_property_hist
// DbGetDevicePipePropertyHist | db_get_device_pipe_property_hist
// DbGetForwardedAttributeListForDevice | db_get_forwarded_attribute_list_for_device
//================================================================
//================================================================
// Attributes managed are:
//================================================================
// StoredProcedureRelease | Tango::DevString Scalar
// Timing_average | Tango::DevDouble Spectrum ( max = 64)
// Timing_minimum | Tango::DevDouble Spectrum ( max = 64)
// Timing_maximum | Tango::DevDouble Spectrum ( max = 64)
// Timing_calls | Tango::DevDouble Spectrum ( max = 64)
// Timing_index | Tango::DevString Spectrum ( max = 64)
// Timing_info | Tango::DevString Spectrum ( max = 64)
//================================================================
namespace DataBase_ns
{
/*----- PROTECTED REGION ID(DataBase::namespace_starting) ENABLED START -----*/
// static initializations
string DataBase::db_name("sys/database/1");
bool nocase_compare(char c1, char c2)
{
return toupper(c1) == toupper(c2);
}
/*----- PROTECTED REGION END -----*/ // DataBase::namespace_starting
//--------------------------------------------------------
/**
* Method : DataBase::DataBase()
* Description : Constructors for a Tango device
* implementing the classDataBase
*/
//--------------------------------------------------------
DataBase::DataBase(Tango::DeviceClass *cl, string &s)
: TANGO_BASE_CLASS(cl, s.c_str())
{
/*----- PROTECTED REGION ID(DataBase::constructor_1) ENABLED START -----*/
init_device();
/*----- PROTECTED REGION END -----*/ // DataBase::constructor_1
}
//--------------------------------------------------------
DataBase::DataBase(Tango::DeviceClass *cl, const char *s)
: TANGO_BASE_CLASS(cl, s)
{
/*----- PROTECTED REGION ID(DataBase::constructor_2) ENABLED START -----*/
init_device();
/*----- PROTECTED REGION END -----*/ // DataBase::constructor_2
}
//--------------------------------------------------------
DataBase::DataBase(Tango::DeviceClass *cl, const char *s, const char *d)
: TANGO_BASE_CLASS(cl, s, d)
{
/*----- PROTECTED REGION ID(DataBase::constructor_3) ENABLED START -----*/
init_device();
/*----- PROTECTED REGION END -----*/ // DataBase::constructor_3
}
//--------------------------------------------------------
/**
* Method : DataBase::delete_device()
* Description : will be called at device destruction or at init command
*/
//--------------------------------------------------------
void DataBase::delete_device()
{
DEBUG_STREAM << "DataBase::delete_device() " << device_name << endl;
/*----- PROTECTED REGION ID(DataBase::delete_device) ENABLED START -----*/
// Mark the server as non-exported in db
if (get_state() == Tango::ON)
{
Tango::Util *tg = Tango::Util::instance();
string &ds_name = tg->get_ds_name();
char *tmp_ds_name = const_cast<char *>(ds_name.c_str());
db_un_export_server(tmp_ds_name);
}
// Delete device allocated objects
// Delete device's allocated object
delete [] timing_stats_average;
delete [] timing_stats_minimum;
delete [] timing_stats_maximum;
delete [] timing_stats_calls;
for (unsigned int i = 0;i < timing_stats_map.size();i++)
free(timing_stats_index[i]);
delete [] timing_stats_index;
std::map<std::string,TimingStatsStruct*>::iterator iter;
for (iter = timing_stats_map.begin(); iter != timing_stats_map.end(); iter++)
delete iter->second;
for (int loop = 0;loop < conn_pool_size;loop++)
{
if (conn_pool[loop].db != NULL)
mysql_close(conn_pool[loop].db);
}
delete [] conn_pool;
/*----- PROTECTED REGION END -----*/ // DataBase::delete_device
}
//--------------------------------------------------------
/**
* Method : DataBase::init_device()
* Description : will be called at device initialization.
*/
//--------------------------------------------------------
void DataBase::init_device()
{
DEBUG_STREAM << "DataBase::init_device() create device " << device_name << endl;
/*----- PROTECTED REGION ID(DataBase::init_device_before) ENABLED START -----*/
// Initialization before get_device_property() call
/*----- PROTECTED REGION END -----*/ // DataBase::init_device_before
// No device property to be read from database
/*----- PROTECTED REGION ID(DataBase::init_device) ENABLED START -----*/
//
// Just to keep the rcsId string (Some compilers optimize it away)
//
string str_rcs(RcsId);
//
// Initialize device
//
const char *mysql_user = NULL;
const char *mysql_password = NULL;
const char *mysql_host = NULL;
const char *mysql_name = NULL;
WARN_STREAM << "DataBase::DataBase() create database device " << device_name << endl;
//
// Check if we are using the thread safe release of the MySQL library
//
if (mysql_thread_safe() == 0)
{
ERROR_STREAM << "MySQL library used by this process is not tread safe. Please, use libmysqlclient_r" << endl;
Tango::Except::throw_exception((const char *)DB_MySQLLibNotThreadSafe,
(const char *)"MySQL library used by this process is not thread safe. Please, use libmysqlclient_r or use DataBase release < 4.x",
(const char *)"DataBase::DataBase()");
}
//
// Get user environment variables if defined
//
DummyDev d;
string my_user,my_password,my_host,my_name;
if (d.get_env_var("MYSQL_USER",my_user) != -1)
{
mysql_user = my_user.c_str();
}
if (d.get_env_var("MYSQL_PASSWORD",my_password) != -1)
{
mysql_password = my_password.c_str();
}
if (d.get_env_var("MYSQL_HOST",my_host) != -1)
{
mysql_host = my_host.c_str();
}
if (d.get_env_var("MYSQL_DATABASE",my_name) != -1)
{
mysql_name = my_name.c_str();
}
//
// Create the connection pool after some initialisation
//
conn_pool = new DbConnection[conn_pool_size];
for (int loop = 0;loop < conn_pool_size;loop++)
conn_pool[loop].db = NULL;
mysql_svr_version = 0;
create_connection_pool(mysql_user,mysql_password,mysql_host,mysql_name);
//
// Do we need to propagate info to Starter
//
try
{
// Check if controlled server list modification must be fired to starter
Tango::DevVarStringArray *argin = new Tango::DevVarStringArray();
argin->length(2);
(*argin)[0] = CORBA::string_dup("Default");
(*argin)[1] = CORBA::string_dup("FireToStarter");
Tango::DevVarStringArray *argout = db_get_property(argin);
if ((*argout)[3] == 0) // Not defined
fireToStarter = true;
else
{
// Get property value
string value((*argout)[4]);
transform(value.begin(), value.end(), value.begin(), ::tolower);
if (value=="false")
fireToStarter = false;
else
fireToStarter = true;
}
delete argin;
delete argout;
}
catch(Tango::DevFailed &)
{
fireToStarter = true;
}
WARN_STREAM << "fireToStarter = " << fireToStarter << endl;
// If fire to starter is true
if (fireToStarter==true)
{
// Build shared data and thread to update Starter in case of
// change of controlled servers conditions
starter_shared = new UpdStarterData();
upd_starter_thread = new UpdateStarter(starter_shared);
upd_starter_thread->start();
}
// Load history depth property
historyDepth = 10;
try
{
Tango::DevVarStringArray *argin = new Tango::DevVarStringArray();
argin->length(2);
(*argin)[0] = CORBA::string_dup(get_name().c_str());
(*argin)[1] = CORBA::string_dup("historyDepth");
Tango::DevVarStringArray *argout = db_get_device_property(argin);
if ((*argout)[3] != 0)
{
if(strcmp((*argout)[4]," ")!=0) {
stringstream ss;
ss << (*argout)[4];
ss >> historyDepth;
if( historyDepth == 0 ) {
cout << "Warning, Invalid historyDepth property, reseting to default value (10)" << endl;
historyDepth = 10;
}
}
}
delete argin;
delete argout;
}
catch(Tango::DevFailed &)
{}
// Check history tables
check_history_tables();
init_timing_stats();
stored_release_ptr = &(stored_release[0]);
attr_StoredProcedureRelease_read = &stored_release_ptr;
set_state(Tango::ON);
set_status("Device is OK");
/*----- PROTECTED REGION END -----*/ // DataBase::init_device
}
//--------------------------------------------------------
/**
* Method : DataBase::always_executed_hook()
* Description : method always executed before any command is executed
*/
//--------------------------------------------------------
void DataBase::always_executed_hook()
{
DEBUG_STREAM << "DataBase::always_executed_hook() " << device_name << endl;
/*----- PROTECTED REGION ID(DataBase::always_executed_hook) ENABLED START -----*/
// code always executed before all requests
/*----- PROTECTED REGION END -----*/ // DataBase::always_executed_hook
}
//--------------------------------------------------------
/**
* Method : DataBase::read_attr_hardware()
* Description : Hardware acquisition for attributes
*/
//--------------------------------------------------------
void DataBase::read_attr_hardware(TANGO_UNUSED(vector<long> &attr_list))
{
DEBUG_STREAM << "DataBase::read_attr_hardware(vector<long> &attr_list) entering... " << endl;
/*----- PROTECTED REGION ID(DataBase::read_attr_hardware) ENABLED START -----*/
// Add your own code
// Add your own code here
/*----- PROTECTED REGION END -----*/ // DataBase::read_attr_hardware
}
//--------------------------------------------------------
/**
* Read attribute StoredProcedureRelease related method
* Description:
*
* Data type: Tango::DevString
* Attr type: Scalar
*/
//--------------------------------------------------------
void DataBase::read_StoredProcedureRelease(Tango::Attribute &attr)
{
DEBUG_STREAM << "DataBase::read_StoredProcedureRelease(Tango::Attribute &attr) entering... " << endl;
/*----- PROTECTED REGION ID(DataBase::read_StoredProcedureRelease) ENABLED START -----*/
TangoSys_MemStream sql_query_stream;
MYSQL_RES *result;
MYSQL_ROW row;
int n_fields;
sql_query_stream << "SHOW PROCEDURE STATUS WHERE Db LIKE \"";
sql_query_stream << mysql_db_name;
sql_query_stream << "\" AND Name LIKE \"ds_start\"";
DEBUG_STREAM << "DataBase::read_StoredProcedureRelease(): sql_query " << sql_query_stream.str() << endl;
result = query(sql_query_stream.str(),"read_StoredProcedureRelease()");
n_fields = mysql_num_fields(result);
DEBUG_STREAM << "DataBase::read_StoreProcedureRelease(): mysql_num_fields() " << n_fields << endl;
if (n_fields > 7)
{
unsigned long *lengths;
if ((row = mysql_fetch_row(result)) != NULL)
{
lengths = mysql_fetch_lengths(result);
strcpy(stored_release,row[7]);
stored_release[lengths[7]] = '\0';
}
else
{
mysql_free_result(result);
Tango::Except::throw_exception((const char *)DB_IncorrectArguments,
(const char *)"Can't fetch row from the returned result",
(const char *)"DataBase::read_StoredProcedureRelease()");
}
}
else
{
mysql_free_result(result);
Tango::Except::throw_exception((const char *)DB_IncorrectArguments,
(const char *)"Wrong fields number in the data returned by the query",
(const char *)"DataBase::read_StoredProcedureRelease()");
}
mysql_free_result(result);
attr.set_value(attr_StoredProcedureRelease_read);
/*----- PROTECTED REGION END -----*/ // DataBase::read_StoredProcedureRelease
}
//--------------------------------------------------------
/**
* Read attribute Timing_average related method
* Description:
*
* Data type: Tango::DevDouble
* Attr type: Spectrum max = 64
*/
//--------------------------------------------------------
void DataBase::read_Timing_average(Tango::Attribute &attr)
{
DEBUG_STREAM << "DataBase::read_Timing_average(Tango::Attribute &attr) entering... " << endl;
/*----- PROTECTED REGION ID(DataBase::read_Timing_average) ENABLED START -----*/
std::map<std::string,TimingStatsStruct*>::iterator iter;
{
omni_mutex_lock guard(timing_stats_mutex);
int i = 0;
for (iter = timing_stats_map.begin(); iter != timing_stats_map.end(); iter++)
{
timing_stats_average[i] = iter->second->average;
i++;
}
}
attr.set_value(timing_stats_average, timing_stats_size);
/*----- PROTECTED REGION END -----*/ // DataBase::read_Timing_average
}
//--------------------------------------------------------
/**
* Read attribute Timing_minimum related method
* Description:
*
* Data type: Tango::DevDouble
* Attr type: Spectrum max = 64
*/
//--------------------------------------------------------
void DataBase::read_Timing_minimum(Tango::Attribute &attr)
{
DEBUG_STREAM << "DataBase::read_Timing_minimum(Tango::Attribute &attr) entering... " << endl;
/*----- PROTECTED REGION ID(DataBase::read_Timing_minimum) ENABLED START -----*/
std::map<std::string,TimingStatsStruct*>::iterator iter;
{
omni_mutex_lock guard(timing_stats_mutex);
int i = 0;
for (iter = timing_stats_map.begin(); iter != timing_stats_map.end(); iter++)
{
timing_stats_minimum[i] = iter->second->minimum;
i++;
}
}
attr.set_value(timing_stats_minimum, timing_stats_size);
/*----- PROTECTED REGION END -----*/ // DataBase::read_Timing_minimum
}
//--------------------------------------------------------
/**
* Read attribute Timing_maximum related method
* Description:
*
* Data type: Tango::DevDouble
* Attr type: Spectrum max = 64
*/
//--------------------------------------------------------
void DataBase::read_Timing_maximum(Tango::Attribute &attr)
{
DEBUG_STREAM << "DataBase::read_Timing_maximum(Tango::Attribute &attr) entering... " << endl;
/*----- PROTECTED REGION ID(DataBase::read_Timing_maximum) ENABLED START -----*/
std::map<std::string,TimingStatsStruct*>::iterator iter;
{
omni_mutex_lock guard(timing_stats_mutex);
int i = 0;
for (iter = timing_stats_map.begin(); iter != timing_stats_map.end(); iter++)
{
timing_stats_maximum[i] = iter->second->maximum;
i++;
}
}
attr.set_value(timing_stats_maximum, timing_stats_size);
/*----- PROTECTED REGION END -----*/ // DataBase::read_Timing_maximum
}
//--------------------------------------------------------
/**
* Read attribute Timing_calls related method
* Description:
*
* Data type: Tango::DevDouble
* Attr type: Spectrum max = 64
*/
//--------------------------------------------------------
void DataBase::read_Timing_calls(Tango::Attribute &attr)
{
DEBUG_STREAM << "DataBase::read_Timing_calls(Tango::Attribute &attr) entering... " << endl;
/*----- PROTECTED REGION ID(DataBase::read_Timing_calls) ENABLED START -----*/
std::map<std::string,TimingStatsStruct*>::iterator iter;
{
omni_mutex_lock guard(timing_stats_mutex);
int i = 0;
for (iter = timing_stats_map.begin(); iter != timing_stats_map.end(); iter++)
{
timing_stats_calls[i] = iter->second->calls;
i++;
}
}
attr.set_value(timing_stats_calls, timing_stats_size);
/*----- PROTECTED REGION END -----*/ // DataBase::read_Timing_calls
}
//--------------------------------------------------------
/**
* Read attribute Timing_index related method
* Description:
*
* Data type: Tango::DevString
* Attr type: Spectrum max = 64
*/
//--------------------------------------------------------
void DataBase::read_Timing_index(Tango::Attribute &attr)
{
DEBUG_STREAM << "DataBase::read_Timing_index(Tango::Attribute &attr) entering... " << endl;
/*----- PROTECTED REGION ID(DataBase::read_Timing_index) ENABLED START -----*/
attr.set_value(timing_stats_index, timing_stats_size);
/*----- PROTECTED REGION END -----*/ // DataBase::read_Timing_index
}
//--------------------------------------------------------
/**
* Read attribute Timing_info related method
* Description:
*
* Data type: Tango::DevString
* Attr type: Spectrum max = 64
*/
//--------------------------------------------------------
void DataBase::read_Timing_info(Tango::Attribute &attr)
{
DEBUG_STREAM << "DataBase::read_Timing_info(Tango::Attribute &attr) entering... " << endl;
/*----- PROTECTED REGION ID(DataBase::read_Timing_info) ENABLED START -----*/
char info_str[256];
char hostname[256];
Tango::DevString *timing_info = new Tango::DevString[timing_stats_size+4];
gethostname(hostname, sizeof(hostname));
sprintf(info_str,"TANGO Database Timing info on host %s",hostname);
timing_info[0] = CORBA::string_dup(info_str);
// newline
timing_info[1] = CORBA::string_dup(" ");
timing_info[2] = CORBA::string_dup("command average minimum maximum calls");
timing_info[3] = CORBA::string_dup(" ");
std::map<std::string,TimingStatsStruct*>::iterator iter;
{
omni_mutex_lock guard(timing_stats_mutex);
int i = 0;
for (iter = timing_stats_map.begin(); iter != timing_stats_map.end(); iter++)
{
sprintf(info_str,"%s\t%6.3f\t%6.3f\t%6.3f\t%.0f",
iter->first.c_str(), iter->second->average,
iter->second->minimum, iter->second->maximum,
iter->second->calls);
timing_info[i+4] = CORBA::string_dup(info_str);
i++;
}
}
attr.set_value(timing_info,timing_stats_size+4,0,true);
/*----- PROTECTED REGION END -----*/ // DataBase::read_Timing_info
}
//--------------------------------------------------------
/**
* Method : DataBase::add_dynamic_attributes()
* Description : Create the dynamic attributes if any
* for specified device.
*/
//--------------------------------------------------------
void DataBase::add_dynamic_attributes()
{
/*----- PROTECTED REGION ID(DataBase::add_dynamic_attributes) ENABLED START -----*/
// Add your own code to create and add dynamic attributes if any
/*----- PROTECTED REGION END -----*/ // DataBase::add_dynamic_attributes
}
//--------------------------------------------------------
/**
* Command State related method
* Description: This command gets the device state (stored in its <i>device_state</i> data member) and returns it to the caller.
*
* @returns State Code
*/
//--------------------------------------------------------
Tango::DevState DataBase::dev_state()
{
DEBUG_STREAM << "DataBase::State() - " << device_name << endl;
/*----- PROTECTED REGION ID(DataBase::dev_state) ENABLED START -----*/
Tango::DevState argout = DeviceImpl::dev_state();
// Add your own state management
return device_state;
/*----- PROTECTED REGION END -----*/ // DataBase::dev_state
set_state(argout); // Give the state to Tango.
if (argout!=Tango::ALARM)
DeviceImpl::dev_state();
return get_state(); // Return it after Tango management.
}
//--------------------------------------------------------
/**
* Command DbAddDevice related method
* Description: Add a Tango class device to a specific device server
*
* @param argin Str[0] = Full device server process name
* Str[1] = Device name
* Str[2] = Tango class name
*/
//--------------------------------------------------------
void DataBase::db_add_device(const Tango::DevVarStringArray *argin)
{
DEBUG_STREAM << "DataBase::DbAddDevice() - " << device_name << endl;
/*----- PROTECTED REGION ID(DataBase::db_add_device) ENABLED START -----*/
// Add your own code
const Tango::DevVarStringArray *server_device = argin;
TangoSys_MemStream sql_query_stream;
char domain[256], family[256], member[256];
const char *tmp_server, *tmp_class, *tmp_alias = NULL;
string tmp_device;
string dserver_name;
MYSQL_RES *result;
if (server_device->length() < 3)
{
WARN_STREAM << "DataBase::AddDevice(): incorrect number of input arguments " << endl;
Tango::Except::throw_exception((const char *)DB_IncorrectArguments,
(const char *)"incorrect no. of input arguments, needs at least 3 (server,device,class)",
(const char *)"DataBase::AddDevice()");
}
INFO_STREAM << "DataBase::AddDevice(): insert " << (*server_device)[0] << " server with device " << (*server_device)[1] << endl;
tmp_server = (*server_device)[0];
tmp_device = (*server_device)[1];
tmp_class = (*server_device)[2];
if (server_device->length() > 3)
{
tmp_alias = (*server_device)[3];
}
if (!check_device_name(tmp_device))
{
TangoSys_OMemStream o;
o << "device name (" << tmp_device << ") syntax error (should be [tango:][//instance/]domain/family/member)";
Tango::Except::throw_exception((const char *)DB_IncorrectDeviceName,
o.str(),
(const char *)"DataBase::AddDevice()");
}
device_name_to_dfm(tmp_device, domain, family, member);
{
AutoLock al("LOCK TABLE device WRITE",this);
int n_rows=0;
// first delete the tuple (device,name) from the device table
sql_query_stream << "DELETE FROM device WHERE name LIKE \"" << tmp_device << "\"";
DEBUG_STREAM << "DataBase::AddDevice(): sql_query " << sql_query_stream.str() << endl;
simple_query(sql_query_stream.str(),"db_add_device()",al.get_con_nb());
// then insert the new value for this tuple
sql_query_stream.str("");
if (server_device->length() < 4)
{
sql_query_stream << "INSERT INTO device SET name=\"" << tmp_device
<< "\",domain=\"" << domain << "\",family=\"" << family
<< "\",member=\"" << member
<< "\",exported=0,ior=\"nada\",host=\"nada\",server=\""
<< tmp_server << "\",pid=0,class=\"" << tmp_class
<< "\",version=\"0\",started=NULL,stopped=NULL";
}
else
{
sql_query_stream << "INSERT INTO device SET name=\"" << tmp_device
<< "\",domain=\"" << domain << "\",family=\"" << family
<< "\",member=\"" << member
<< "\",exported=0,ior=\"nada\",host=\"nada\",server=\""
<< tmp_server << "\",pid=0,class=\"" << tmp_class
<< "\",alias=\"" << tmp_alias
<< "\",version=\"0\",started=NULL,stopped=NULL";
}
DEBUG_STREAM << "DataBase::AddDevice(): sql_query " << sql_query_stream.str() << endl;
simple_query(sql_query_stream.str(),"db_add_device()",al.get_con_nb());
//
// Check if a DServer device entry for the process already exists
//
sql_query_stream.str("");
sql_query_stream << "SELECT name FROM device WHERE server LIKE \"" << tmp_server
<< "\" AND class LIKE \"DServer\"";
DEBUG_STREAM << "DataBase::AddDevice(): sql_query " << sql_query_stream.str() << endl;
result = query(sql_query_stream.str(),"db_add_device()",al.get_con_nb());
n_rows = mysql_num_rows(result);
DEBUG_STREAM << "DataBase::AddDevice(): mysql_num_rows() " << n_rows << endl;
//
// If there is no admin device for the device's server, create one
//
if (n_rows == 0)
{
dserver_name = "dserver/";
dserver_name = dserver_name + string(tmp_server);
device_name_to_dfm(dserver_name, domain, family, member);
sql_query_stream.str("");
sql_query_stream << "INSERT INTO device SET name=\"dserver/" << tmp_server
<< "\",domain=\"" << domain << "\",family=\"" << family
<< "\",member=\"" << member
<< "\",exported=0,ior=\"nada\",host=\"nada\",server=\"" << tmp_server
<< "\",pid=0,class=\"DServer\",version=\"0\",started=NULL,stopped=NULL";
DEBUG_STREAM << "DataBase::AddDevice(): sql_query " << sql_query_stream.str() << endl;
simple_query(sql_query_stream.str(),"db_add_device()",al.get_con_nb());
}
mysql_free_result(result);
}
return;
/*----- PROTECTED REGION END -----*/ // DataBase::db_add_device
}
//--------------------------------------------------------
/**
* Command DbAddServer related method
* Description: Create a device server process entry in database
*
* @param argin Str[0] = Full device server name
* Str[1] = Device(s) name
* Str[2] = Tango class name
* Str[n] = Device name
* Str[n + 1] = Tango class name
*/
//--------------------------------------------------------
void DataBase::db_add_server(const Tango::DevVarStringArray *argin)
{
DEBUG_STREAM << "DataBase::DbAddServer() - " << device_name << endl;
/*----- PROTECTED REGION ID(DataBase::db_add_server) ENABLED START -----*/
// Add your own code
const Tango::DevVarStringArray *server_device_list = argin;
TangoSys_MemStream sql_query_stream;
char domain[256], family[256], member[256];
const char *tmp_server, *tmp_class;
if (server_device_list->length() < 3)
{
WARN_STREAM << "DataBase::AddServer(): incorrect number of input arguments " << endl;
Tango::Except::throw_exception((const char *)DB_IncorrectArguments,
(const char *)"incorrect no. of input arguments, needs at least 3 (server,device,class)",
(const char *)"DataBase::AddServer()");
}
INFO_STREAM << "DataBase::AddServer(): insert " << (*server_device_list)[0] << " server with device " << (*server_device_list)[1] << endl;
tmp_server = (*server_device_list)[0];
{
AutoLock al("LOCK TABLE device WRITE",this);
for (unsigned int i=0; i<(server_device_list->length()-1)/2; i++)
{
string tmp_device((*server_device_list)[i*2+1].in());
tmp_class = (*server_device_list)[i*2+2];
if (!check_device_name(tmp_device))
{
TangoSys_OMemStream o;
o << "device name (" << tmp_device << ") syntax error (should be [tango:][//instance/]domain/family/member)";
Tango::Except::throw_exception((const char *)DB_IncorrectDeviceName,
o.str(),
(const char *)"DataBase::AddServer()");
}
device_name_to_dfm(tmp_device, domain, family, member);
// first delete the tuple (device,name,count) from the device table
sql_query_stream.str("");
sql_query_stream << "DELETE FROM device WHERE server=\"" << tmp_server
<< "\" AND name=\"" << tmp_device << "\" ";
DEBUG_STREAM << "DataBase::AddServer(): sql_query " << sql_query_stream.str() << endl;
simple_query(sql_query_stream.str(),"db_add_server()",al.get_con_nb());
// then insert the new value for this tuple
sql_query_stream.str("");
sql_query_stream << "INSERT INTO device SET name=\"" << tmp_device
<< "\",domain=\"" << domain << "\",family=\"" << family
<< "\",member=\"" << member
<< "\",exported=0,ior=\"nada\",host=\"nada\",server=\"" << tmp_server
<< "\",pid=0,class=\"" << tmp_class
<< "\",version=0,started=NULL,stopped=NULL";
DEBUG_STREAM << "DataBase::AddServer(): sql_query " << sql_query_stream.str() << endl;
simple_query(sql_query_stream.str(),"db_add_server()",al.get_con_nb());
}
// Finally, add the admin device
string tmp_device("dserver/");
tmp_device = tmp_device + tmp_server;
device_name_to_dfm(tmp_device,domain,family,member);
sql_query_stream.str("");
sql_query_stream << "DELETE FROM device WHERE server=\"" << tmp_server
<< "\" AND name=\"" << tmp_device << "\" ";
DEBUG_STREAM << "DataBase::AddServer(): sql_query " << sql_query_stream.str() << endl;
simple_query(sql_query_stream.str(),"db_add_server()",al.get_con_nb());
tmp_class = "DServer";
sql_query_stream.str("");
sql_query_stream << "INSERT INTO device SET name =\"" << tmp_device
<< "\",domain=\"" << domain << "\",family=\"" << family
<< "\",member=\"" << member
<< "\",exported=0,ior=\"nada\",host=\"nada\",server=\"" << tmp_server
<< "\",pid=0,class=\"" << tmp_class
<< "\",version=0,started=NULL,stopped=NULL";
DEBUG_STREAM << "DataBase::AddServer(): sql_query " << sql_query_stream.str() << endl;
simple_query(sql_query_stream.str(),"db_add_server()",al.get_con_nb());
}
return;
/*----- PROTECTED REGION END -----*/ // DataBase::db_add_server
}
//--------------------------------------------------------
/**
* Command DbDeleteAttributeAlias related method
* Description: Delete an attribute alias.
*
* @param argin Attriibute alias name.
*/
//--------------------------------------------------------
void DataBase::db_delete_attribute_alias(Tango::DevString argin)
{