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cfe_tbl_task_cmds.c
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cfe_tbl_task_cmds.c
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/*
** GSC-18128-1, "Core Flight Executive Version 6.7"
**
** Copyright (c) 2006-2019 United States Government as represented by
** the Administrator of the National Aeronautics and Space Administration.
** All Rights Reserved.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
/*
** File: cfe_tbl_task_cmds.c
**
** Subsystem: cFE TBL Task Command Processing Functions
**
** Author: David Kobe (the Hammers Company, Inc.)
**
** Notes:
**
*/
/*
** Required header files
*/
#include "cfe_tbl_module_all.h"
#include "cfe_version.h"
#include <string.h>
/*----------------------------------------------------------------
*
* Function: CFE_TBL_HousekeepingCmd
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
int32 CFE_TBL_HousekeepingCmd(const CFE_MSG_CommandHeader_t *data)
{
int32 Status;
uint32 i;
CFE_TBL_DumpControl_t *DumpCtrlPtr;
CFE_TIME_SysTime_t DumpTime;
osal_id_t FileDescriptor;
/*
** Collect housekeeping data from Table Services
*/
CFE_TBL_GetHkData();
/*
** Send housekeeping telemetry packet
*/
CFE_SB_TimeStampMsg(&CFE_TBL_Global.HkPacket.TlmHeader.Msg);
Status = CFE_SB_TransmitMsg(&CFE_TBL_Global.HkPacket.TlmHeader.Msg, true);
if (Status != CFE_SUCCESS)
{
CFE_EVS_SendEvent(CFE_TBL_FAIL_HK_SEND_ERR_EID, CFE_EVS_EventType_ERROR,
"Unable to send Hk Packet (Status=0x%08X)", (unsigned int)Status);
}
/* If a table's registry entry has been requested for telemetry, then pack it and send it */
if (CFE_TBL_Global.HkTlmTblRegIndex != CFE_TBL_NOT_FOUND)
{
CFE_TBL_GetTblRegData();
/*
** Send Table Registry Info Packet
*/
CFE_SB_TimeStampMsg(&CFE_TBL_Global.TblRegPacket.TlmHeader.Msg);
CFE_SB_TransmitMsg(&CFE_TBL_Global.TblRegPacket.TlmHeader.Msg, true);
/* Once the data has been sent, clear the index so that we don't send it again and again */
CFE_TBL_Global.HkTlmTblRegIndex = CFE_TBL_NOT_FOUND;
}
/* Check to see if there are any dump-only table dumps pending */
for (i = 0; i < CFE_PLATFORM_TBL_MAX_SIMULTANEOUS_LOADS; i++)
{
if (CFE_TBL_Global.DumpControlBlocks[i].State == CFE_TBL_DUMP_PERFORMED)
{
DumpCtrlPtr = &CFE_TBL_Global.DumpControlBlocks[i];
Status = CFE_TBL_DumpToFile(DumpCtrlPtr->DumpBufferPtr->DataSource, DumpCtrlPtr->TableName,
DumpCtrlPtr->DumpBufferPtr->BufferPtr, DumpCtrlPtr->Size);
/* If dump file was successfully written, update the file header so that the timestamp */
/* is the time of the actual capturing of the data, NOT the time when it was written to the file */
if (Status == CFE_TBL_INC_CMD_CTR)
{
DumpTime.Seconds = DumpCtrlPtr->DumpBufferPtr->FileCreateTimeSecs;
DumpTime.Subseconds = DumpCtrlPtr->DumpBufferPtr->FileCreateTimeSubSecs;
Status = OS_OpenCreate(&FileDescriptor, DumpCtrlPtr->DumpBufferPtr->DataSource, OS_FILE_FLAG_NONE,
OS_READ_WRITE);
if (Status >= 0)
{
Status = CFE_FS_SetTimestamp(FileDescriptor, DumpTime);
if (Status != OS_SUCCESS)
{
CFE_ES_WriteToSysLog("CFE_TBL:HkCmd-Unable to update timestamp in dump file '%s'\n",
DumpCtrlPtr->DumpBufferPtr->DataSource);
}
OS_close(FileDescriptor);
}
else
{
CFE_ES_WriteToSysLog("CFE_TBL:HkCmd-Unable to open dump file '%s' to update timestamp\n",
DumpCtrlPtr->DumpBufferPtr->DataSource);
}
}
/* Free the shared working buffer */
CFE_TBL_Global.LoadBuffs[DumpCtrlPtr->RegRecPtr->LoadInProgress].Taken = false;
DumpCtrlPtr->RegRecPtr->LoadInProgress = CFE_TBL_NO_LOAD_IN_PROGRESS;
/* Free the Dump Control Block for later use */
DumpCtrlPtr->State = CFE_TBL_DUMP_FREE;
}
}
return CFE_TBL_DONT_INC_CTR;
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_GetHkData
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
void CFE_TBL_GetHkData(void)
{
uint32 i;
uint16 Count;
CFE_TBL_ValidationResult_t *ValPtr = NULL;
/* Copy command counter data */
CFE_TBL_Global.HkPacket.Payload.CommandCounter = CFE_TBL_Global.CommandCounter;
CFE_TBL_Global.HkPacket.Payload.CommandErrorCounter = CFE_TBL_Global.CommandErrorCounter;
CFE_TBL_Global.HkPacket.Payload.FailedValCounter = CFE_TBL_Global.FailedValCounter;
CFE_TBL_Global.HkPacket.Payload.NumLoadPending = 0;
CFE_TBL_Global.HkPacket.Payload.MemPoolHandle = CFE_TBL_Global.Buf.PoolHdl;
/* Determine the number of tables currently registered and Number of Load Pending Tables */
Count = 0;
for (i = 0; i < CFE_PLATFORM_TBL_MAX_NUM_TABLES; i++)
{
if (!CFE_RESOURCEID_TEST_EQUAL(CFE_TBL_Global.Registry[i].OwnerAppId, CFE_TBL_NOT_OWNED))
{
Count++;
if (CFE_TBL_Global.Registry[i].LoadPending)
{
CFE_TBL_Global.HkPacket.Payload.NumLoadPending++;
}
}
}
CFE_TBL_Global.HkPacket.Payload.NumTables = Count;
/* Determine the number of free shared buffers */
CFE_TBL_Global.HkPacket.Payload.NumFreeSharedBufs = CFE_PLATFORM_TBL_MAX_SIMULTANEOUS_LOADS;
for (i = 0; i < CFE_PLATFORM_TBL_MAX_SIMULTANEOUS_LOADS; i++)
{
if (CFE_TBL_Global.LoadBuffs[i].Taken)
{
CFE_TBL_Global.HkPacket.Payload.NumFreeSharedBufs--;
}
}
/* Locate a completed, but unreported, validation request */
i = 0;
while ((i < CFE_PLATFORM_TBL_MAX_NUM_VALIDATIONS) && (ValPtr == NULL))
{
if (CFE_TBL_Global.ValidationResults[i].State == CFE_TBL_VALIDATION_PERFORMED)
{
ValPtr = &CFE_TBL_Global.ValidationResults[i];
}
else
{
i++;
}
}
if (ValPtr != NULL)
{
CFE_TBL_Global.HkPacket.Payload.LastValCrc = ValPtr->CrcOfTable;
CFE_TBL_Global.HkPacket.Payload.LastValStatus = ValPtr->Result;
CFE_TBL_Global.HkPacket.Payload.ActiveBuffer = ValPtr->ActiveBuffer;
/* Keep track of the number of failed and successful validations */
if (ValPtr->Result == CFE_SUCCESS)
{
CFE_TBL_Global.SuccessValCounter++;
}
else
{
CFE_TBL_Global.FailedValCounter++;
}
CFE_SB_MessageStringSet(CFE_TBL_Global.HkPacket.Payload.LastValTableName, ValPtr->TableName,
sizeof(CFE_TBL_Global.HkPacket.Payload.LastValTableName), sizeof(ValPtr->TableName));
CFE_TBL_Global.ValidationCounter++;
/* Free the Validation Response Block for next time */
ValPtr->Result = 0;
ValPtr->CrcOfTable = 0;
ValPtr->TableName[0] = '\0';
ValPtr->ActiveBuffer = false;
ValPtr->State = CFE_TBL_VALIDATION_FREE;
}
CFE_TBL_Global.HkPacket.Payload.ValidationCounter = CFE_TBL_Global.ValidationCounter;
CFE_TBL_Global.HkPacket.Payload.SuccessValCounter = CFE_TBL_Global.SuccessValCounter;
CFE_TBL_Global.HkPacket.Payload.FailedValCounter = CFE_TBL_Global.FailedValCounter;
CFE_TBL_Global.HkPacket.Payload.NumValRequests = CFE_TBL_Global.NumValRequests;
/* Validate the index of the last table updated before using it */
if ((CFE_TBL_Global.LastTblUpdated >= 0) && (CFE_TBL_Global.LastTblUpdated < CFE_PLATFORM_TBL_MAX_NUM_TABLES))
{
/* Check to make sure the Registry Entry is still valid */
if (!CFE_RESOURCEID_TEST_EQUAL(CFE_TBL_Global.Registry[CFE_TBL_Global.LastTblUpdated].OwnerAppId,
CFE_TBL_NOT_OWNED))
{
/* Get the time at the last table update */
CFE_TBL_Global.HkPacket.Payload.LastUpdateTime =
CFE_TBL_Global.Registry[CFE_TBL_Global.LastTblUpdated].TimeOfLastUpdate;
/* Get the table name used for the last table update */
CFE_SB_MessageStringSet(CFE_TBL_Global.HkPacket.Payload.LastUpdatedTable,
CFE_TBL_Global.Registry[CFE_TBL_Global.LastTblUpdated].Name,
sizeof(CFE_TBL_Global.HkPacket.Payload.LastUpdatedTable),
sizeof(CFE_TBL_Global.Registry[CFE_TBL_Global.LastTblUpdated].Name));
}
}
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_GetTblRegData
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
void CFE_TBL_GetTblRegData(void)
{
CFE_TBL_RegistryRec_t *RegRecPtr;
RegRecPtr = &CFE_TBL_Global.Registry[CFE_TBL_Global.HkTlmTblRegIndex];
CFE_TBL_Global.TblRegPacket.Payload.Size = CFE_ES_MEMOFFSET_C(RegRecPtr->Size);
CFE_TBL_Global.TblRegPacket.Payload.ActiveBufferAddr =
CFE_ES_MEMADDRESS_C(RegRecPtr->Buffers[RegRecPtr->ActiveBufferIndex].BufferPtr);
if (RegRecPtr->DoubleBuffered)
{
/* For a double buffered table, the inactive is the other allocated buffer */
CFE_TBL_Global.TblRegPacket.Payload.InactiveBufferAddr =
CFE_ES_MEMADDRESS_C(RegRecPtr->Buffers[(1U - RegRecPtr->ActiveBufferIndex)].BufferPtr);
}
else
{
/* Check to see if an inactive buffer has currently been allocated to the single buffered table */
if (RegRecPtr->LoadInProgress != CFE_TBL_NO_LOAD_IN_PROGRESS)
{
CFE_TBL_Global.TblRegPacket.Payload.InactiveBufferAddr =
CFE_ES_MEMADDRESS_C(CFE_TBL_Global.LoadBuffs[RegRecPtr->LoadInProgress].BufferPtr);
}
else
{
CFE_TBL_Global.TblRegPacket.Payload.InactiveBufferAddr = CFE_ES_MEMADDRESS_C(0);
}
}
CFE_TBL_Global.TblRegPacket.Payload.ValidationFuncPtr = CFE_ES_MEMADDRESS_C(RegRecPtr->ValidationFuncPtr);
CFE_TBL_Global.TblRegPacket.Payload.TimeOfLastUpdate = RegRecPtr->TimeOfLastUpdate;
CFE_TBL_Global.TblRegPacket.Payload.TableLoadedOnce = RegRecPtr->TableLoadedOnce;
CFE_TBL_Global.TblRegPacket.Payload.LoadPending = RegRecPtr->LoadPending;
CFE_TBL_Global.TblRegPacket.Payload.DumpOnly = RegRecPtr->DumpOnly;
CFE_TBL_Global.TblRegPacket.Payload.DoubleBuffered = RegRecPtr->DoubleBuffered;
CFE_TBL_Global.TblRegPacket.Payload.FileCreateTimeSecs =
RegRecPtr->Buffers[RegRecPtr->ActiveBufferIndex].FileCreateTimeSecs;
CFE_TBL_Global.TblRegPacket.Payload.FileCreateTimeSubSecs =
RegRecPtr->Buffers[RegRecPtr->ActiveBufferIndex].FileCreateTimeSubSecs;
CFE_TBL_Global.TblRegPacket.Payload.Crc = RegRecPtr->Buffers[RegRecPtr->ActiveBufferIndex].Crc;
CFE_TBL_Global.TblRegPacket.Payload.Critical = RegRecPtr->CriticalTable;
CFE_SB_MessageStringSet(CFE_TBL_Global.TblRegPacket.Payload.Name, RegRecPtr->Name,
sizeof(CFE_TBL_Global.TblRegPacket.Payload.Name), sizeof(RegRecPtr->Name));
CFE_SB_MessageStringSet(CFE_TBL_Global.TblRegPacket.Payload.LastFileLoaded, RegRecPtr->LastFileLoaded,
sizeof(CFE_TBL_Global.TblRegPacket.Payload.LastFileLoaded),
sizeof(RegRecPtr->LastFileLoaded));
CFE_ES_GetAppName(CFE_TBL_Global.TblRegPacket.Payload.OwnerAppName, RegRecPtr->OwnerAppId,
sizeof(CFE_TBL_Global.TblRegPacket.Payload.OwnerAppName));
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_NoopCmd
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
int32 CFE_TBL_NoopCmd(const CFE_TBL_NoopCmd_t *data)
{
/* Acknowledge receipt of NOOP with Event Message */
CFE_EVS_SendEvent(CFE_TBL_NOOP_INF_EID, CFE_EVS_EventType_INFORMATION, "No-op command. %s", CFE_VERSION_STRING);
return CFE_TBL_INC_CMD_CTR;
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_ResetCountersCmd
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
int32 CFE_TBL_ResetCountersCmd(const CFE_TBL_ResetCountersCmd_t *data)
{
CFE_TBL_Global.CommandCounter = 0;
CFE_TBL_Global.CommandErrorCounter = 0;
CFE_TBL_Global.SuccessValCounter = 0;
CFE_TBL_Global.FailedValCounter = 0;
CFE_TBL_Global.NumValRequests = 0;
CFE_TBL_Global.ValidationCounter = 0;
CFE_EVS_SendEvent(CFE_TBL_RESET_INF_EID, CFE_EVS_EventType_DEBUG, "Reset Counters command");
return CFE_TBL_DONT_INC_CTR;
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_LoadCmd
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
int32 CFE_TBL_LoadCmd(const CFE_TBL_LoadCmd_t *data)
{
CFE_TBL_CmdProcRet_t ReturnCode = CFE_TBL_INC_ERR_CTR; /* Assume failure */
const CFE_TBL_LoadCmd_Payload_t *CmdPtr = &data->Payload;
CFE_FS_Header_t StdFileHeader;
CFE_TBL_File_Hdr_t TblFileHeader;
osal_id_t FileDescriptor;
int32 Status;
int16 RegIndex;
CFE_TBL_RegistryRec_t * RegRecPtr;
CFE_TBL_LoadBuff_t * WorkingBufferPtr;
char LoadFilename[OS_MAX_PATH_LEN];
uint8 ExtraByte;
/* Make sure all strings are null terminated before attempting to process them */
CFE_SB_MessageStringGet(LoadFilename, (char *)CmdPtr->LoadFilename, NULL, sizeof(LoadFilename),
sizeof(CmdPtr->LoadFilename));
/* Try to open the specified table file */
Status = OS_OpenCreate(&FileDescriptor, LoadFilename, OS_FILE_FLAG_NONE, OS_READ_ONLY);
if (Status >= 0)
{
Status = CFE_TBL_ReadHeaders(FileDescriptor, &StdFileHeader, &TblFileHeader, &LoadFilename[0]);
if (Status == CFE_SUCCESS)
{
/* Locate specified table in registry */
RegIndex = CFE_TBL_FindTableInRegistry(TblFileHeader.TableName);
if (RegIndex == CFE_TBL_NOT_FOUND)
{
CFE_EVS_SendEvent(CFE_TBL_NO_SUCH_TABLE_ERR_EID, CFE_EVS_EventType_ERROR,
"Unable to locate '%s' in Table Registry", TblFileHeader.TableName);
}
else
{
/* Translate the registry index into a record pointer */
RegRecPtr = &CFE_TBL_Global.Registry[RegIndex];
if (RegRecPtr->DumpOnly)
{
CFE_EVS_SendEvent(CFE_TBL_LOADING_A_DUMP_ONLY_ERR_EID, CFE_EVS_EventType_ERROR,
"Attempted to load DUMP-ONLY table '%s' from '%s'", TblFileHeader.TableName,
LoadFilename);
}
else if (RegRecPtr->LoadPending)
{
CFE_EVS_SendEvent(CFE_TBL_LOADING_PENDING_ERR_EID, CFE_EVS_EventType_ERROR,
"Attempted to load table '%s' while previous load is still pending",
TblFileHeader.TableName);
}
else
{
/* Make sure of the following: */
/* 1) If table has not been loaded previously, then make sure the current */
/* load starts with the first byte */
/* 2) The number of bytes to load is greater than zero */
/* 3) The offset plus the number of bytes does not exceed the table size */
if (((RegRecPtr->TableLoadedOnce) || (TblFileHeader.Offset == 0)) && (TblFileHeader.NumBytes > 0) &&
((TblFileHeader.NumBytes + TblFileHeader.Offset) <= RegRecPtr->Size))
{
/* Get a working buffer, either a free one or one allocated with previous load command */
Status = CFE_TBL_GetWorkingBuffer(&WorkingBufferPtr, RegRecPtr, false);
if (Status == CFE_SUCCESS)
{
/* Copy data from file into working buffer */
Status =
OS_read(FileDescriptor, ((uint8 *)WorkingBufferPtr->BufferPtr) + TblFileHeader.Offset,
TblFileHeader.NumBytes);
/* Make sure the appropriate number of bytes were read */
if (Status == (int32)TblFileHeader.NumBytes)
{
/* Check to ensure the file does not have any extra data at the end */
Status = OS_read(FileDescriptor, &ExtraByte, 1);
/* If another byte was successfully read, then file contains more data than header
* claims */
if (Status == 1)
{
CFE_EVS_SendEvent(CFE_TBL_FILE_TOO_BIG_ERR_EID, CFE_EVS_EventType_ERROR,
"File '%s' has more data than Tbl Hdr indicates (%d)",
LoadFilename, (int)TblFileHeader.NumBytes);
}
else /* If error reading file or zero bytes read, assume it was the perfect size */
{
CFE_EVS_SendEvent(CFE_TBL_FILE_LOADED_INF_EID, CFE_EVS_EventType_INFORMATION,
"Successful load of '%s' into '%s' working buffer", LoadFilename,
TblFileHeader.TableName);
/* Save file information statistics for later use in registry */
memcpy(WorkingBufferPtr->DataSource, LoadFilename, OS_MAX_PATH_LEN);
/* Save file creation time for later storage into Registry */
WorkingBufferPtr->FileCreateTimeSecs = StdFileHeader.TimeSeconds;
WorkingBufferPtr->FileCreateTimeSubSecs = StdFileHeader.TimeSubSeconds;
/* Compute the CRC on the specified table buffer */
WorkingBufferPtr->Crc = CFE_ES_CalculateCRC(
WorkingBufferPtr->BufferPtr, RegRecPtr->Size, 0, CFE_MISSION_ES_DEFAULT_CRC);
/* Initialize validation flag with true if no Validation Function is required to be
* called */
WorkingBufferPtr->Validated = (RegRecPtr->ValidationFuncPtr == NULL);
/* Save file information statistics for housekeeping telemetry */
strncpy(CFE_TBL_Global.HkPacket.Payload.LastFileLoaded, LoadFilename,
sizeof(CFE_TBL_Global.HkPacket.Payload.LastFileLoaded) - 1);
CFE_TBL_Global.HkPacket.Payload
.LastFileLoaded[sizeof(CFE_TBL_Global.HkPacket.Payload.LastFileLoaded) - 1] =
'\0';
strncpy(CFE_TBL_Global.HkPacket.Payload.LastTableLoaded, TblFileHeader.TableName,
sizeof(CFE_TBL_Global.HkPacket.Payload.LastTableLoaded) - 1);
CFE_TBL_Global.HkPacket.Payload
.LastTableLoaded[sizeof(CFE_TBL_Global.HkPacket.Payload.LastTableLoaded) - 1] =
'\0';
/* Increment successful command completion counter */
ReturnCode = CFE_TBL_INC_CMD_CTR;
}
}
else
{
/* A file whose header claims has 'x' amount of data but it only has 'y' */
/* is considered a fatal error during a load process */
CFE_EVS_SendEvent(CFE_TBL_FILE_INCOMPLETE_ERR_EID, CFE_EVS_EventType_ERROR,
"Incomplete load of '%s' into '%s' working buffer", LoadFilename,
TblFileHeader.TableName);
}
}
else if (Status == CFE_TBL_ERR_NO_BUFFER_AVAIL)
{
CFE_EVS_SendEvent(CFE_TBL_NO_WORK_BUFFERS_ERR_EID, CFE_EVS_EventType_ERROR,
"No working buffers available for table '%s'", TblFileHeader.TableName);
}
else
{
CFE_EVS_SendEvent(CFE_TBL_INTERNAL_ERROR_ERR_EID, CFE_EVS_EventType_ERROR,
"Internal Error (Status=0x%08X)", (unsigned int)Status);
}
}
else
{
if ((TblFileHeader.NumBytes + TblFileHeader.Offset) > RegRecPtr->Size)
{
CFE_EVS_SendEvent(CFE_TBL_LOAD_EXCEEDS_SIZE_ERR_EID, CFE_EVS_EventType_ERROR,
"Cannot load '%s' (%d) at offset %d in '%s' (%d)", LoadFilename,
(int)TblFileHeader.NumBytes, (int)TblFileHeader.Offset,
TblFileHeader.TableName, (int)RegRecPtr->Size);
}
else if (TblFileHeader.NumBytes == 0)
{
CFE_EVS_SendEvent(CFE_TBL_ZERO_LENGTH_LOAD_ERR_EID, CFE_EVS_EventType_ERROR,
"Table Hdr in '%s' indicates no data in file", LoadFilename);
}
else
{
CFE_EVS_SendEvent(CFE_TBL_PARTIAL_LOAD_ERR_EID, CFE_EVS_EventType_ERROR,
"'%s' has partial load for uninitialized table '%s'", LoadFilename,
TblFileHeader.TableName);
}
}
}
}
} /* No need to issue event messages in response to errors reading headers */
/* because the function that read the headers will generate messages */
/* Close the file now that the contents have been read */
OS_close(FileDescriptor);
}
else
{
/* Error opening specified file */
CFE_EVS_SendEvent(CFE_TBL_FILE_ACCESS_ERR_EID, CFE_EVS_EventType_ERROR,
"Unable to open file '%s' for table load, Status = 0x%08X", LoadFilename,
(unsigned int)Status);
}
return ReturnCode;
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_DumpCmd
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
int32 CFE_TBL_DumpCmd(const CFE_TBL_DumpCmd_t *data)
{
CFE_TBL_CmdProcRet_t ReturnCode = CFE_TBL_INC_ERR_CTR; /* Assume failure */
int16 RegIndex;
const CFE_TBL_DumpCmd_Payload_t *CmdPtr = &data->Payload;
char DumpFilename[OS_MAX_PATH_LEN];
char TableName[CFE_TBL_MAX_FULL_NAME_LEN];
CFE_TBL_RegistryRec_t * RegRecPtr;
void * DumpDataAddr = NULL;
CFE_TBL_LoadBuff_t * WorkingBufferPtr;
int32 DumpIndex;
int32 Status;
CFE_TBL_DumpControl_t * DumpCtrlPtr;
/* Make sure all strings are null terminated before attempting to process them */
CFE_SB_MessageStringGet(DumpFilename, (char *)CmdPtr->DumpFilename, NULL, sizeof(DumpFilename),
sizeof(CmdPtr->DumpFilename));
CFE_SB_MessageStringGet(TableName, (char *)CmdPtr->TableName, NULL, sizeof(TableName), sizeof(CmdPtr->TableName));
/* Before doing anything, lets make sure the table that is to be dumped exists */
RegIndex = CFE_TBL_FindTableInRegistry(TableName);
if (RegIndex != CFE_TBL_NOT_FOUND)
{
/* Obtain a pointer to registry information about specified table */
RegRecPtr = &CFE_TBL_Global.Registry[RegIndex];
/* Determine what data is to be dumped */
if (CmdPtr->ActiveTableFlag == CFE_TBL_BufferSelect_ACTIVE)
{
DumpDataAddr = RegRecPtr->Buffers[RegRecPtr->ActiveBufferIndex].BufferPtr;
}
else if (CmdPtr->ActiveTableFlag == CFE_TBL_BufferSelect_INACTIVE) /* Dumping Inactive Buffer */
{
/* If this is a double buffered table, locating the inactive buffer is trivial */
if (RegRecPtr->DoubleBuffered)
{
DumpDataAddr = RegRecPtr->Buffers[(1U - RegRecPtr->ActiveBufferIndex)].BufferPtr;
}
else
{
/* For single buffered tables, the index to the inactive buffer is kept in 'LoadInProgress' */
/* Unless this is a table whose address was defined by the owning Application. */
if ((RegRecPtr->LoadInProgress != CFE_TBL_NO_LOAD_IN_PROGRESS) && (!RegRecPtr->UserDefAddr))
{
DumpDataAddr = CFE_TBL_Global.LoadBuffs[RegRecPtr->LoadInProgress].BufferPtr;
}
else
{
CFE_EVS_SendEvent(CFE_TBL_NO_INACTIVE_BUFFER_ERR_EID, CFE_EVS_EventType_ERROR,
"No Inactive Buffer for Table '%s' present", TableName);
}
}
}
else
{
CFE_EVS_SendEvent(CFE_TBL_ILLEGAL_BUFF_PARAM_ERR_EID, CFE_EVS_EventType_ERROR,
"Cmd for Table '%s' had illegal buffer parameter (0x%08X)", TableName,
(unsigned int)CmdPtr->ActiveTableFlag);
}
/* If we have located the data to be dumped, then proceed with creating the file and dumping the data */
if (DumpDataAddr != NULL)
{
/* If this is not a dump only table, then we can perform the dump immediately */
if (!RegRecPtr->DumpOnly)
{
ReturnCode = CFE_TBL_DumpToFile(DumpFilename, TableName, DumpDataAddr, RegRecPtr->Size);
}
else /* Dump Only tables need to synchronize their dumps with the owner's execution */
{
/* Make sure a dump is not already in progress */
if (RegRecPtr->DumpControlIndex == CFE_TBL_NO_DUMP_PENDING)
{
/* Find a free Dump Control Block */
DumpIndex = 0;
while ((DumpIndex < CFE_PLATFORM_TBL_MAX_SIMULTANEOUS_LOADS) &&
(CFE_TBL_Global.DumpControlBlocks[DumpIndex].State != CFE_TBL_DUMP_FREE))
{
DumpIndex++;
}
if (DumpIndex < CFE_PLATFORM_TBL_MAX_SIMULTANEOUS_LOADS)
{
/* Allocate a shared memory buffer for storing the data to be dumped */
Status = CFE_TBL_GetWorkingBuffer(&WorkingBufferPtr, RegRecPtr, false);
if (Status == CFE_SUCCESS)
{
DumpCtrlPtr = &CFE_TBL_Global.DumpControlBlocks[DumpIndex];
DumpCtrlPtr->State = CFE_TBL_DUMP_PENDING;
DumpCtrlPtr->RegRecPtr = RegRecPtr;
/* Save the name of the desired dump filename, table name and size for later */
DumpCtrlPtr->DumpBufferPtr = WorkingBufferPtr;
memcpy(DumpCtrlPtr->DumpBufferPtr->DataSource, DumpFilename, OS_MAX_PATH_LEN);
memcpy(DumpCtrlPtr->TableName, TableName, CFE_TBL_MAX_FULL_NAME_LEN);
DumpCtrlPtr->Size = RegRecPtr->Size;
/* Notify the owning application that a dump is pending */
RegRecPtr->DumpControlIndex = DumpIndex;
/* If application requested notification by message, then do so */
CFE_TBL_SendNotificationMsg(RegRecPtr);
/* Consider the command completed successfully */
ReturnCode = CFE_TBL_INC_CMD_CTR;
}
else
{
CFE_EVS_SendEvent(CFE_TBL_NO_WORK_BUFFERS_ERR_EID, CFE_EVS_EventType_ERROR,
"No working buffers available for table '%s'", TableName);
}
}
else
{
CFE_EVS_SendEvent(CFE_TBL_TOO_MANY_DUMPS_ERR_EID, CFE_EVS_EventType_ERROR,
"Too many Dump Only Table Dumps have been requested");
}
}
else
{
CFE_EVS_SendEvent(CFE_TBL_DUMP_PENDING_ERR_EID, CFE_EVS_EventType_ERROR,
"A dump for '%s' is already pending", TableName);
}
}
}
}
else /* Table could not be found in Registry */
{
CFE_EVS_SendEvent(CFE_TBL_NO_SUCH_TABLE_ERR_EID, CFE_EVS_EventType_ERROR,
"Unable to locate '%s' in Table Registry", TableName);
}
return ReturnCode;
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_DumpToFile
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
CFE_TBL_CmdProcRet_t CFE_TBL_DumpToFile(const char *DumpFilename, const char *TableName, const void *DumpDataAddr,
size_t TblSizeInBytes)
{
CFE_TBL_CmdProcRet_t ReturnCode = CFE_TBL_INC_ERR_CTR; /* Assume failure */
bool FileExistedPrev = false;
CFE_FS_Header_t StdFileHeader;
CFE_TBL_File_Hdr_t TblFileHeader;
osal_id_t FileDescriptor;
int32 Status;
int32 EndianCheck = 0x01020304;
/* Clear Header of any garbage before copying content */
memset(&TblFileHeader, 0, sizeof(CFE_TBL_File_Hdr_t));
/* Check to see if the dump file already exists */
Status = OS_OpenCreate(&FileDescriptor, DumpFilename, OS_FILE_FLAG_NONE, OS_READ_ONLY);
if (Status >= 0)
{
FileExistedPrev = true;
OS_close(FileDescriptor);
}
/* Create a new dump file, overwriting anything that may have existed previously */
Status = OS_OpenCreate(&FileDescriptor, DumpFilename, OS_FILE_FLAG_CREATE | OS_FILE_FLAG_TRUNCATE, OS_WRITE_ONLY);
if (Status >= OS_SUCCESS)
{
/* Initialize the standard cFE File Header for the Dump File */
CFE_FS_InitHeader(&StdFileHeader, "Table Dump Image", CFE_FS_SubType_TBL_IMG);
/* Output the Standard cFE File Header to the Dump File */
Status = CFE_FS_WriteHeader(FileDescriptor, &StdFileHeader);
if (Status == sizeof(CFE_FS_Header_t))
{
/* Initialize the Table Image Header for the Dump File */
strncpy(TblFileHeader.TableName, TableName, sizeof(TblFileHeader.TableName) - 1);
TblFileHeader.TableName[sizeof(TblFileHeader.TableName) - 1] = 0;
TblFileHeader.Offset = CFE_ES_MEMOFFSET_C(0);
TblFileHeader.NumBytes = CFE_ES_MEMOFFSET_C(TblSizeInBytes);
TblFileHeader.Reserved = 0;
/* Determine if this is a little endian processor */
if ((*(char *)&EndianCheck) == 0x04)
{
/* If this is a little endian processor, then byte swap the header to a big endian format */
/* to maintain the cFE Header standards */
/* NOTE: FOR THE REMAINDER OF THIS FUNCTION, THE CONTENTS OF THE HEADER IS UNREADABLE BY */
/* THIS PROCESSOR! THE DATA WOULD NEED TO BE SWAPPED BACK BEFORE READING. */
CFE_TBL_ByteSwapTblHeader(&TblFileHeader);
}
/* Output the Table Image Header to the Dump File */
Status = OS_write(FileDescriptor, &TblFileHeader, sizeof(CFE_TBL_File_Hdr_t));
/* Make sure the header was output completely */
if (Status == sizeof(CFE_TBL_File_Hdr_t))
{
/* Output the requested data to the dump file */
/* Output the active table image data to the dump file */
Status = OS_write(FileDescriptor, DumpDataAddr, TblSizeInBytes);
if (Status == TblSizeInBytes)
{
if (FileExistedPrev)
{
CFE_EVS_SendEvent(CFE_TBL_OVERWRITE_DUMP_INF_EID, CFE_EVS_EventType_INFORMATION,
"Successfully overwrote '%s' with Table '%s'", DumpFilename, TableName);
}
else
{
CFE_EVS_SendEvent(CFE_TBL_WRITE_DUMP_INF_EID, CFE_EVS_EventType_INFORMATION,
"Successfully dumped Table '%s' to '%s'", TableName, DumpFilename);
}
/* Save file information statistics for housekeeping telemetry */
strncpy(CFE_TBL_Global.HkPacket.Payload.LastFileDumped, DumpFilename,
sizeof(CFE_TBL_Global.HkPacket.Payload.LastFileDumped) - 1);
CFE_TBL_Global.HkPacket.Payload
.LastFileDumped[sizeof(CFE_TBL_Global.HkPacket.Payload.LastFileDumped) - 1] = 0;
/* Increment Successful Command Counter */
ReturnCode = CFE_TBL_INC_CMD_CTR;
}
else
{
CFE_EVS_SendEvent(CFE_TBL_WRITE_TBL_IMG_ERR_EID, CFE_EVS_EventType_ERROR,
"Error writing Tbl image to '%s', Status=0x%08X", DumpFilename,
(unsigned int)Status);
}
}
else
{
CFE_EVS_SendEvent(CFE_TBL_WRITE_TBL_HDR_ERR_EID, CFE_EVS_EventType_ERROR,
"Error writing Tbl image File Header to '%s', Status=0x%08X", DumpFilename,
(unsigned int)Status);
}
}
else
{
CFE_EVS_SendEvent(CFE_TBL_WRITE_CFE_HDR_ERR_EID, CFE_EVS_EventType_ERROR,
"Error writing cFE File Header to '%s', Status=0x%08X", DumpFilename,
(unsigned int)Status);
}
/* We are done outputting data to the dump file. Close it. */
OS_close(FileDescriptor);
}
else
{
CFE_EVS_SendEvent(CFE_TBL_CREATING_DUMP_FILE_ERR_EID, CFE_EVS_EventType_ERROR,
"Error creating dump file '%s', Status=0x%08X", DumpFilename, (unsigned int)Status);
}
return ReturnCode;
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_ValidateCmd
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
int32 CFE_TBL_ValidateCmd(const CFE_TBL_ValidateCmd_t *data)
{
CFE_TBL_CmdProcRet_t ReturnCode = CFE_TBL_INC_ERR_CTR; /* Assume failure */
int16 RegIndex;
const CFE_TBL_ValidateCmd_Payload_t *CmdPtr = &data->Payload;
CFE_TBL_RegistryRec_t * RegRecPtr;
void * ValidationDataPtr = NULL;
char TableName[CFE_TBL_MAX_FULL_NAME_LEN];
uint32 CrcOfTable;
int32 ValIndex;
/* Make sure all strings are null terminated before attempting to process them */
CFE_SB_MessageStringGet(TableName, (char *)CmdPtr->TableName, NULL, sizeof(TableName), sizeof(CmdPtr->TableName));
/* Before doing anything, lets make sure the table that is to be dumped exists */
RegIndex = CFE_TBL_FindTableInRegistry(TableName);
if (RegIndex != CFE_TBL_NOT_FOUND)
{
/* Obtain a pointer to registry information about specified table */
RegRecPtr = &CFE_TBL_Global.Registry[RegIndex];
/* Determine what data is to be validated */
if (CmdPtr->ActiveTableFlag == CFE_TBL_BufferSelect_ACTIVE)
{
ValidationDataPtr = RegRecPtr->Buffers[RegRecPtr->ActiveBufferIndex].BufferPtr;
}
else if (CmdPtr->ActiveTableFlag == CFE_TBL_BufferSelect_INACTIVE) /* Validating Inactive Buffer */
{
/* If this is a double buffered table, locating the inactive buffer is trivial */
if (RegRecPtr->DoubleBuffered)
{
ValidationDataPtr = RegRecPtr->Buffers[(1U - RegRecPtr->ActiveBufferIndex)].BufferPtr;
}
else
{
/* For single buffered tables, the index to the inactive buffer is kept in 'LoadInProgress' */
if (RegRecPtr->LoadInProgress != CFE_TBL_NO_LOAD_IN_PROGRESS)
{
ValidationDataPtr = CFE_TBL_Global.LoadBuffs[RegRecPtr->LoadInProgress].BufferPtr;
}
else
{
CFE_EVS_SendEvent(CFE_TBL_NO_INACTIVE_BUFFER_ERR_EID, CFE_EVS_EventType_ERROR,
"No Inactive Buffer for Table '%s' present", TableName);
}
}
}
else
{
CFE_EVS_SendEvent(CFE_TBL_ILLEGAL_BUFF_PARAM_ERR_EID, CFE_EVS_EventType_ERROR,
"Cmd for Table '%s' had illegal buffer parameter (0x%08X)", TableName,
(unsigned int)CmdPtr->ActiveTableFlag);
}
/* If we have located the data to be validated, then proceed with notifying the application, if */
/* necessary, and computing the CRC value for the block of memory */
if (ValidationDataPtr != NULL)
{
/* Find a free Validation Response Block */
ValIndex = 0;
while ((ValIndex < CFE_PLATFORM_TBL_MAX_NUM_VALIDATIONS) &&
(CFE_TBL_Global.ValidationResults[ValIndex].State != CFE_TBL_VALIDATION_FREE))
{
ValIndex++;
}
if (ValIndex < CFE_PLATFORM_TBL_MAX_NUM_VALIDATIONS)
{
/* Allocate this Validation Response Block */
CFE_TBL_Global.ValidationResults[ValIndex].State = CFE_TBL_VALIDATION_PENDING;
CFE_TBL_Global.ValidationResults[ValIndex].Result = 0;
memcpy(CFE_TBL_Global.ValidationResults[ValIndex].TableName, TableName, CFE_TBL_MAX_FULL_NAME_LEN);
/* Compute the CRC on the specified table buffer */
CrcOfTable = CFE_ES_CalculateCRC(ValidationDataPtr, RegRecPtr->Size, 0, CFE_MISSION_ES_DEFAULT_CRC);
CFE_TBL_Global.ValidationResults[ValIndex].CrcOfTable = CrcOfTable;
CFE_TBL_Global.ValidationResults[ValIndex].ActiveBuffer = (CmdPtr->ActiveTableFlag != 0);
/* If owner has a validation function, then notify the */
/* table owner that there is data to be validated */
if (RegRecPtr->ValidationFuncPtr != NULL)
{
if (CmdPtr->ActiveTableFlag)
{
RegRecPtr->ValidateActiveIndex = ValIndex;
}
else
{
RegRecPtr->ValidateInactiveIndex = ValIndex;
}
/* If application requested notification by message, then do so */
if (CFE_TBL_SendNotificationMsg(RegRecPtr) == CFE_SUCCESS)
{
/* Notify ground that validation request has been made */
CFE_EVS_SendEvent(CFE_TBL_VAL_REQ_MADE_INF_EID, CFE_EVS_EventType_DEBUG,
"Tbl Services issued validation request for '%s'", TableName);
}
/* Maintain statistic on number of validation requests given to applications */
CFE_TBL_Global.NumValRequests++;
}
else
{
/* If there isn't a validation function pointer, then the process is complete */
/* By setting this value, we are letting the Housekeeping process recognize it */
/* as data to be sent to the ground in telemetry. */
CFE_TBL_Global.ValidationResults[ValIndex].State = CFE_TBL_VALIDATION_PERFORMED;
CFE_EVS_SendEvent(CFE_TBL_ASSUMED_VALID_INF_EID, CFE_EVS_EventType_INFORMATION,
"Tbl Services assumes '%s' is valid. No Validation Function has been registered",
TableName);
}
/* Increment Successful Command Counter */
ReturnCode = CFE_TBL_INC_CMD_CTR;
}
else
{
CFE_EVS_SendEvent(CFE_TBL_TOO_MANY_VALIDATIONS_ERR_EID, CFE_EVS_EventType_ERROR,
"Too many Table Validations have been requested");
}
}
}
else /* Table could not be found in Registry */
{
CFE_EVS_SendEvent(CFE_TBL_NO_SUCH_TABLE_ERR_EID, CFE_EVS_EventType_ERROR,
"Unable to locate '%s' in Table Registry", TableName);
}
return ReturnCode;
}
/*----------------------------------------------------------------
*
* Function: CFE_TBL_ActivateCmd
*
* Application-scope internal function
* See description in header file for argument/return detail
*
*-----------------------------------------------------------------*/
int32 CFE_TBL_ActivateCmd(const CFE_TBL_ActivateCmd_t *data)
{
CFE_TBL_CmdProcRet_t ReturnCode = CFE_TBL_INC_ERR_CTR; /* Assume failure */
int16 RegIndex;
const CFE_TBL_ActivateCmd_Payload_t *CmdPtr = &data->Payload;
char TableName[CFE_TBL_MAX_FULL_NAME_LEN];
CFE_TBL_RegistryRec_t * RegRecPtr;
bool ValidationStatus;
/* Make sure all strings are null terminated before attempting to process them */
CFE_SB_MessageStringGet(TableName, (char *)CmdPtr->TableName, NULL, sizeof(TableName), sizeof(CmdPtr->TableName));
/* Before doing anything, lets make sure the table that is to be dumped exists */
RegIndex = CFE_TBL_FindTableInRegistry(TableName);
if (RegIndex != CFE_TBL_NOT_FOUND)
{
/* Obtain a pointer to registry information about specified table */
RegRecPtr = &CFE_TBL_Global.Registry[RegIndex];
if (RegRecPtr->DumpOnly)
{
CFE_EVS_SendEvent(CFE_TBL_ACTIVATE_DUMP_ONLY_ERR_EID, CFE_EVS_EventType_ERROR,
"Illegal attempt to activate dump-only table '%s'", TableName);
}
else if (RegRecPtr->LoadInProgress != CFE_TBL_NO_LOAD_IN_PROGRESS)
{
/* Determine if the inactive buffer has been successfully validated or not */
if (RegRecPtr->DoubleBuffered)
{
ValidationStatus = RegRecPtr->Buffers[(1U - RegRecPtr->ActiveBufferIndex)].Validated;
}
else
{
ValidationStatus = CFE_TBL_Global.LoadBuffs[RegRecPtr->LoadInProgress].Validated;
}