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/******************************************************************************
* Project Persistency
* (c) copyright 2012
* Company XS Embedded GmbH
*****************************************************************************/
/******************************************************************************
* This Source Code Form is subject to the terms of the
* Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed
* with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
******************************************************************************/
/**
* @file persistence_client_library_lc_interface.c
* @ingroup Persistence client library
* @author Ingo Huerner
* @brief Implementation of the persistence client library lifecycle interface.
* @see
*/
#include "persistence_client_library_lc_interface.h"
#include "../include_protected/persistence_client_library_data_organization.h"
#include "../include_protected/persistence_client_library_db_access.h"
#include "persistence_client_library_handle.h"
#include "persistence_client_library_pas_interface.h"
#include "persistence_client_library_dbus_service.h"
#include "persistence_client_library_custom_loader.h"
#include "persistence_client_library_prct_access.h"
#include "persistence_client_library_itzam_errors.h"
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <dlfcn.h>
static int gTimeoutMs = 500;
int check_lc_request(int request, int requestID)
{
int rval = 0;
switch(request)
{
case NsmShutdownNormal:
{
uint64_t cmd;
// add command and data to queue
cmd = ( ((uint64_t)requestID << 32) | ((uint64_t)request << 16) | CMD_LC_PREPARE_SHUTDOWN);
if(-1 == write(gEfds, &cmd, (sizeof(uint64_t))))
{
printf("write failed w/ errno %d\n", errno);
rval = NsmErrorStatus_Fail;
}
else
{
rval = NsmErrorStatus_OK;
}
break;
}
default:
{
printf("Unknown lifecycle message!\n");
break;
}
}
return rval;
}
int msg_lifecycleRequest(DBusConnection *connection, DBusMessage *message)
{
int request = 0,
requestID = 0,
msgReturn = 0;
DBusMessage *reply;
DBusError error;
dbus_error_init (&error);
if (!dbus_message_get_args (message, &error, DBUS_TYPE_UINT32, &request,
DBUS_TYPE_UINT32, &requestID,
DBUS_TYPE_INVALID))
{
reply = dbus_message_new_error(message, error.name, error.message);
if (reply == 0)
{
//DLT_LOG(mgrContext, DLT_LOG_ERROR, DLT_STRING("DBus No memory"));
printf("DBus No memory\n");
}
if (!dbus_connection_send(connection, reply, 0))
{
//DLT_LOG(mgrContext, DLT_LOG_ERROR, DLT_STRING("DBus No memory"));
printf("DBus No memory\n");
}
dbus_message_unref (reply);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
msgReturn = check_lc_request(request, requestID);
reply = dbus_message_new_method_return(message);
if (reply == 0)
{
//DLT_LOG(mgrContext, DLT_LOG_ERROR, DLT_STRING("DBus No memory"));
printf("DBus No memory\n");
}
if (!dbus_message_append_args(reply, DBUS_TYPE_INT32, &msgReturn, DBUS_TYPE_INVALID))
{
//DLT_LOG(mgrContext, DLT_LOG_ERROR, DLT_STRING("DBus No memory"));
printf("DBus No memory\n");
}
if (!dbus_connection_send(connection, reply, 0))
{
//DLT_LOG(mgrContext, DLT_LOG_ERROR, DLT_STRING("DBus No memory"));
printf("DBus No memory\n");
}
dbus_connection_flush(connection);
dbus_message_unref(reply);
return DBUS_HANDLER_RESULT_HANDLED;
}
DBusHandlerResult checkLifecycleMsg(DBusConnection * connection, DBusMessage * message, void * user_data)
{
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
//printf("handleObjectPathMessage '%s' -> '%s'\n", dbus_message_get_interface(message), dbus_message_get_member(message));
if((0==strncmp("com.contiautomotive.NodeStateManager.LifecycleConsumer", dbus_message_get_interface(message), 20)))
{
if((0==strncmp("NSMLifecycleRequest", dbus_message_get_member(message), 18)))
{
result = msg_lifecycleRequest(connection, message);
}
else
{
printf("checkLifecycleMsg -> unknown message '%s'\n", dbus_message_get_interface(message));
}
}
return result;
}
int send_lifecycle_register(const char* method, int shutdownMode)
{
int rval = 0;
DBusError error;
dbus_error_init (&error);
DBusConnection* conn = get_dbus_connection();
const char* objName = "/com/contiautomotive/NodeStateManager/LifecycleConsumer";
const char* busName = dbus_bus_get_unique_name(conn);
DBusMessage* message = dbus_message_new_method_call("com.contiautomotive.NodeStateManager.Consumer", // destination
"/com/contiautomotive/NodeStateManager/Consumer", // path
"com.contiautomotive.NodeStateManager.Consumer", // interface
method); // method
if(message != NULL)
{
dbus_message_append_args(message, DBUS_TYPE_STRING, &busName,
DBUS_TYPE_STRING, &objName,
DBUS_TYPE_INT32, &shutdownMode,
DBUS_TYPE_INT32, &gTimeoutMs,
DBUS_TYPE_INVALID);
if(conn != NULL)
{
if(!dbus_connection_send(conn, message, 0))
{
fprintf(stderr, "send_lifecycle ==> Access denied: %s \n", error.message);
}
dbus_connection_flush(conn);
}
else
{
fprintf(stderr, "send_lifecycle ==> ERROR: Invalid connection!! \n");
}
dbus_message_unref(message);
}
else
{
fprintf(stderr, "send_lifecycle ==> ERROR: Invalid message!! \n");
}
return rval;
}
int send_lifecycle_request(const char* method, int requestId, int status)
{
int rval = 0;
DBusError error;
dbus_error_init (&error);
DBusConnection* conn = get_dbus_connection();
DBusMessage* message = dbus_message_new_method_call("com.contiautomotive.NodeStateManager.Consumer", // destination
"/com/contiautomotive/NodeStateManager/Consumer", // path
"com.contiautomotive.NodeStateManager.Consumer", // interface
method); // method
if(message != NULL)
{
dbus_message_append_args(message, DBUS_TYPE_INT32, &requestId,
DBUS_TYPE_INT32, &status,
DBUS_TYPE_INVALID);
if(conn != NULL)
{
if(!dbus_connection_send(conn, message, 0))
{
fprintf(stderr, "send_lifecycle ==> Access denied: %s \n", error.message);
}
dbus_connection_flush(conn);
}
else
{
fprintf(stderr, "send_lifecycle ==> ERROR: Invalid connection!! \n");
}
dbus_message_unref(message);
}
else
{
fprintf(stderr, "send_lifecycle ==> ERROR: Invalid message!! \n");
}
return rval;
}
int register_lifecycle()
{
int shutdownMode = 1; // TODO send correct mode
return send_lifecycle_register("RegisterShutdownClient", shutdownMode);
}
int unregister_lifecycle()
{
int shutdownMode = 1; // TODO send correct mode
return send_lifecycle_register("UnRegisterShutdownClient", shutdownMode);
}
int send_prepare_shutdown_complete(int requestId, int status)
{
return send_lifecycle_request("LifecycleRequestComplete", requestId, status);
}
void process_prepare_shutdown(unsigned char requestId, unsigned int status)
{
int i = 0;
//GvdbTable* resourceTable = NULL;
itzam_btree* resourceTable = NULL;
itzam_state state = ITZAM_FAILED;
// block write
pers_lock_access();
// flush open files to disk
for(i=0; i<MaxPersHandle; i++)
{
int tmp = i;
if(gOpenFdArray[tmp] == FileOpen)
{
fsync(tmp);
close(tmp);
}
}
// close open gvdb persistence resource configuration table
for(i=0; i< PrctDbTableSize; i++)
{
resourceTable = get_resource_cfg_table_by_idx(i);
// dereference opend database
if(resourceTable != NULL)
{
state = itzam_btree_close(resourceTable);
if (state != ITZAM_OKAY)
{
fprintf(stderr, "\nOpen Itzam problem: %s\n", STATE_MESSAGES[state]);
}
}
}
//close opend database
pers_db_close_all();
// unload custom client libraries
for(i=0; i<get_num_custom_client_libs(); i++)
{
// deinitialize plugin
gPersCustomFuncs[i].custom_plugin_deinit();
// close library handle
dlclose(gPersCustomFuncs[i].handle);
}
// notify lifecycle shutdown OK
send_prepare_shutdown_complete((int)requestId, (int)status);
}
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