319 lines
10 KiB
C
319 lines
10 KiB
C
//
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// Copyright (c) 2014 Wind River Systems, Inc.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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#include "sm_db_service_instances.h"
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <sqlite3.h>
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#include "sm_limits.h"
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#include "sm_types.h"
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#include "sm_debug.h"
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#include "sm_db.h"
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// ****************************************************************************
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// Database Service Instances - Convert
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// ====================================
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SmErrorT sm_db_service_instances_convert( const char* col_name,
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const char* col_data, void* data )
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{
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SmDbServiceInstanceT* record = (SmDbServiceInstanceT*) data;
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DPRINTFD( "%s = %s", col_name, col_data ? col_data : "NULL" );
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if( 0 == strcmp( SM_SERVICE_INSTANCES_TABLE_COLUMN_ID, col_name ) )
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{
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record->id = atoll(col_data);
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}
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else if( 0 == strcmp( SM_SERVICE_INSTANCES_TABLE_COLUMN_SERVICE_NAME,
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col_name ) )
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{
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snprintf( record->service_name, sizeof(record->service_name),
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"%s", col_data ? col_data : "" );
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}
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else if( 0 == strcmp( SM_SERVICE_INSTANCES_TABLE_COLUMN_INSTANCE_NAME,
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col_name ) )
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{
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snprintf( record->instance_name, sizeof(record->instance_name),
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"%s", col_data ? col_data : "" );
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}
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else if( 0 == strcmp( SM_SERVICE_INSTANCES_TABLE_COLUMN_INSTANCE_PARAMETERS,
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col_name ) )
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{
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snprintf( record->instance_params, sizeof(record->instance_params),
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"%s", col_data ? col_data : "" );
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}
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else
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{
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DPRINTFE( "Unknown column (%s).", col_name );
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}
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Read Callback
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// ==========================================
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static int sm_db_service_instances_read_callback( void* user_data,
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int num_cols, char **col_data, char **col_name )
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{
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SmDbServiceInstanceT* record = (SmDbServiceInstanceT*) user_data;
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SmErrorT error;
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int col_i;
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for( col_i=0; num_cols > col_i; ++col_i )
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{
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error = sm_db_service_instances_convert( col_name[col_i],
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col_data[col_i], record );
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if( SM_OKAY != error )
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{
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DPRINTFE( "Convert failed for column (%s), error=%s.",
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col_name[col_i], sm_error_str( error ) );
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return( SQLITE_ERROR );
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}
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}
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return( SQLITE_OK );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Read
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// =================================
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SmErrorT sm_db_service_instances_read( SmDbHandleT* sm_db_handle,
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char service_name[], SmDbServiceInstanceT* record )
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{
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char sql[SM_SQL_STATEMENT_MAX_CHAR];
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char* error = NULL;
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int rc;
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memset( record, 0, sizeof(SmDbServiceInstanceT) );
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snprintf( sql, sizeof(sql), "SELECT * FROM %s WHERE %s = '%s';",
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SM_SERVICE_INSTANCES_TABLE_NAME,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_SERVICE_NAME,
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service_name );
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rc = sqlite3_exec( (sqlite3*) sm_db_handle, sql,
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sm_db_service_instances_read_callback,
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record, &error );
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if( SQLITE_OK != rc )
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{
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DPRINTFE( "Failed to read, sql=%s, rc=%i, error=%s.", sql, rc,
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error );
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sqlite3_free( error );
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return( SM_FAILED );
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}
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DPRINTFD( "Read finished." );
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if( 0 != strcmp( service_name, record->service_name ) )
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{
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return( SM_NOT_FOUND );
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}
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Insert
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// ===================================
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SmErrorT sm_db_service_instances_insert( SmDbHandleT* sm_db_handle,
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SmDbServiceInstanceT* record )
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{
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char sql[SM_SQL_STATEMENT_MAX_CHAR];
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char* error = NULL;
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int rc;
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snprintf( sql, sizeof(sql), "INSERT INTO %s ( %s, %s, %s ) "
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"VALUES ('%s', '%s', '%s' );",
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SM_SERVICE_INSTANCES_TABLE_NAME,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_SERVICE_NAME,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_INSTANCE_NAME,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_INSTANCE_PARAMETERS,
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record->service_name, record->instance_name,
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record->instance_params );
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rc = sqlite3_exec( (sqlite3*) sm_db_handle, sql, NULL, NULL, &error );
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if( SQLITE_OK != rc )
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{
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DPRINTFE( "Failed to insert, sql=%s, rc=%i, error=%s.", sql, rc,
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error );
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sqlite3_free( error );
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return( SM_FAILED );
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}
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DPRINTFD( "Insert completed." );
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Update
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// ===================================
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SmErrorT sm_db_service_instances_update( SmDbHandleT* sm_db_handle,
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SmDbServiceInstanceT* record )
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{
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int len;
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char sql[SM_SQL_STATEMENT_MAX_CHAR];
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char* error = NULL;
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int rc;
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len = snprintf( sql, sizeof(sql), "UPDATE %s SET ",
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SM_SERVICE_INSTANCES_TABLE_NAME );
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if( 0 < strlen( record->instance_name ) )
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{
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len += snprintf( sql+len, sizeof(sql)-len, "%s = '%s', ",
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SM_SERVICE_INSTANCES_TABLE_COLUMN_INSTANCE_NAME,
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record->instance_name );
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}
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if( 0 < strlen( record->instance_params ) )
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{
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len += snprintf( sql+len, sizeof(sql)-len, "%s = '%s', ",
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SM_SERVICE_INSTANCES_TABLE_COLUMN_INSTANCE_PARAMETERS,
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record->instance_params );
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}
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snprintf( sql+len-2, sizeof(sql)-len, " WHERE %s = '%s';",
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SM_SERVICE_INSTANCES_TABLE_COLUMN_SERVICE_NAME,
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record->service_name );
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rc = sqlite3_exec( (sqlite3*) sm_db_handle, sql, NULL, NULL, &error );
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if( SQLITE_OK != rc )
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{
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DPRINTFE( "Failed to update, sql=%s, rc=%i, error=%s.", sql, rc,
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error );
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sqlite3_free( error );
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return( SM_FAILED );
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}
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DPRINTFD( "Update completed." );
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Delete
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// ===================================
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SmErrorT sm_db_service_instances_delete( SmDbHandleT* sm_db_handle,
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char service_name[] )
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{
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char sql[SM_SQL_STATEMENT_MAX_CHAR];
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char* error = NULL;
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int rc;
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snprintf( sql, sizeof(sql), "DELETE FROM %s WHERE %s = '%s';",
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SM_SERVICE_INSTANCES_TABLE_NAME,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_SERVICE_NAME,
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service_name );
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rc = sqlite3_exec( (sqlite3*) sm_db_handle, sql, NULL, NULL, &error );
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if( SQLITE_OK != rc )
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{
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DPRINTFE( "Failed to delete table, sql=%s, rc=%i, error=%s.", sql, rc,
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error );
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sqlite3_free( error );
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return( SM_FAILED );
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}
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DPRINTFD( "Delete finished." );
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Create Table
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// =========================================
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SmErrorT sm_db_service_instances_create_table( SmDbHandleT* sm_db_handle )
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{
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char sql[SM_SQL_STATEMENT_MAX_CHAR];
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char* error = NULL;
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int rc;
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snprintf( sql, sizeof(sql), "CREATE TABLE IF NOT EXISTS "
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"%s ( "
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"%s INTEGER PRIMARY KEY AUTOINCREMENT, "
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"%s CHAR(%i), "
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"%s CHAR(%i), "
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"%s CHAR(%i) );",
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SM_SERVICE_INSTANCES_TABLE_NAME,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_ID,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_SERVICE_NAME,
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SM_SERVICE_NAME_MAX_CHAR,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_INSTANCE_NAME,
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SM_SERVICE_INSTANCE_NAME_MAX_CHAR,
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SM_SERVICE_INSTANCES_TABLE_COLUMN_INSTANCE_PARAMETERS,
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SM_SERVICE_INSTANCE_PARAMS_MAX_CHAR );
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rc = sqlite3_exec( (sqlite3*) sm_db_handle, sql, NULL, NULL, &error );
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if( SQLITE_OK != rc )
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{
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DPRINTFE( "Failed to create table, sql=%s, rc=%i, error=%s.", sql, rc,
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error );
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sqlite3_free( error );
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return( SM_FAILED );
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}
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DPRINTFD( "Table created." );
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Delete Table
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// =========================================
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SmErrorT sm_db_service_instances_delete_table( SmDbHandleT* sm_db_handle )
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{
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char sql[SM_SQL_STATEMENT_MAX_CHAR];
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char* error = NULL;
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int rc;
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snprintf( sql, sizeof(sql), "DROP TABLE IF EXISTS %s;",
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SM_SERVICE_INSTANCES_TABLE_NAME );
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rc = sqlite3_exec( (sqlite3*) sm_db_handle, sql, NULL, NULL, &error );
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if( SQLITE_OK != rc )
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{
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DPRINTFE( "Failed to delete table, rc=%i, error=%s.", rc, error );
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sqlite3_free( error );
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return( SM_FAILED );
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}
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DPRINTFD( "Table deleted." );
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Initialize
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// =======================================
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SmErrorT sm_db_service_instances_initialize( void )
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{
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return( SM_OKAY );
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}
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// ****************************************************************************
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// ****************************************************************************
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// Database Service Instances - Finalize
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// =====================================
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SmErrorT sm_db_service_instances_finalize( void )
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{
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return( SM_OKAY );
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}
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// ****************************************************************************
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