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- fixed problems in buffered reporting

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pull/6/head
Michael Zillgith 10 years ago
parent 33433f1d09
commit f5c5fa7fb4
3 changed files with 103 additions and 24 deletions
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3
dotnet/IEC61850forCSharp/IEC61850ClientAPI.cs
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@ -1224,7 +1224,8 @@ namespace IEC61850
DATA_REFERENCE = 16,
BUFFER_OVERFLOW = 32,
ENTRY_ID = 64,
CONF_REV = 128
CONF_REV = 128,
ALL = 255
}
public enum Validity

9
src/iec61850/inc_private/reporting.h
Unescape Escape View File

@ -63,7 +63,7 @@ typedef struct {
MmsValue** valueReferences; /* array to store value references for fast access */
bool gi;
bool gi; /* flag to indicate that a GI report is triggered */
uint16_t sqNum;
uint32_t intgPd;
@ -84,9 +84,14 @@ typedef struct {
bool triggered; /* { covered by mutex } */
uint64_t reportTime; /* { covered by mutex } */
/* the following members are only required for buffered RCBs */
/*
* the following members are only required for buffered RCBs *
* TODO move to ReportBuffer structure!
*/
bool isBuffering; /* true if buffered RCB is buffering (datSet is set to a valid value) */
bool isResync; /* true if buffered RCB is in resync state */
ReportBuffer* reportBuffer;
MmsValue* timeOfEntry;
} ReportControl;

105
src/iec61850/server/mms_mapping/reporting.c
Unescape Escape View File

@ -1143,6 +1143,24 @@ updateOwner(ReportControl* rc, MmsServerConnection connection)
#endif /* CONFIG_REPORTING_SUPPORTS_OWNER == 1*/
}
static bool
checkForZeroEntryID(MmsValue* value)
{
uint8_t* buffer = MmsValue_getOctetStringBuffer(value);
int i = 0;
while (i < 8) {
if (buffer[i] != 0)
return false;
i++;
}
return true;
}
static bool
checkReportBufferForEntryID(ReportControl* rc, MmsValue* value)
{
@ -1154,14 +1172,8 @@ checkReportBufferForEntryID(ReportControl* rc, MmsValue* value)
if (memcmp(entry->entryId, value->value.octetString.buf, 8) == 0) {
ReportBufferEntry* nextEntryForResync = entry->next;
if (nextEntryForResync != NULL) {
rc->reportBuffer->nextToTransmit = nextEntryForResync;
rc->isResync = true;
}
else {
rc->isResync = false;
rc->reportBuffer->nextToTransmit = NULL;
}
retVal = true;
break;
@ -1213,8 +1225,15 @@ Reporting_RCBWriteAccessHandler(MmsMapping* self, ReportControl* rc, char* eleme
MmsValue_update(rptEna, value);
rc->enabled = true;
if (rc->buffered) {
if (rc->isResync == false)
rc->reportBuffer->nextToTransmit = rc->reportBuffer->oldestReport;
rc->isResync = false;
}
rc->enabled = true;
rc->gi = false;
refreshBufferTime(rc);
@ -1359,19 +1378,28 @@ Reporting_RCBWriteAccessHandler(MmsMapping* self, ReportControl* rc, char* eleme
goto exit_function;
}
else if (strcmp(elementName, "EntryId") == 0) {
else if (strcmp(elementName, "EntryID") == 0) {
if (MmsValue_getOctetStringSize(value) != 8) {
retVal = DATA_ACCESS_ERROR_OBJECT_VALUE_INVALID;
goto exit_function;
}
if (checkForZeroEntryID(value) == false) {
if (!checkReportBufferForEntryID(rc, value)) {
rc->reportBuffer->isOverflow = true;
retVal = DATA_ACCESS_ERROR_OBJECT_VALUE_INVALID;
goto exit_function;
}
}
else {
rc->reportBuffer->nextToTransmit = rc->reportBuffer->oldestReport;
rc->isResync = false;
rc->reportBuffer->isOverflow = true;
}
MmsValue* entryID = ReportControl_getRCBValue(rc, elementName);
MmsValue_update(entryID, value);
goto exit_function;
@ -1517,6 +1545,42 @@ printReportId(ReportBufferEntry* report)
}
#endif
static void
removeAllGIReportsFromReportBuffer(ReportBuffer* reportBuffer)
{
ReportBufferEntry* currentReport = reportBuffer->oldestReport;
ReportBufferEntry* lastReport = NULL;
while (currentReport != NULL) {
if (currentReport->flags & 2) {
if (currentReport == reportBuffer->oldestReport) {
reportBuffer->oldestReport = currentReport->next;
}
else {
lastReport->next = currentReport->next;
}
#if (DEBUG_IED_SERVER == 1)
printf("IED_SERVER: REMOVE old GI report with ID ");
printReportId(currentReport);
printf("\n");
#endif
if (reportBuffer->nextToTransmit == currentReport)
reportBuffer->nextToTransmit = currentReport->next;
currentReport = currentReport->next;
}
else {
lastReport = currentReport;
currentReport = currentReport->next;
}
}
}
static void
enqueueReport(ReportControl* reportControl, bool isIntegrity, bool isGI, uint64_t timeOfEntry)
{
@ -1581,6 +1645,8 @@ enqueueReport(ReportControl* reportControl, bool isIntegrity, bool isGI, uint64_
return;
}
if (isGI) removeAllGIReportsFromReportBuffer(buffer);
uint8_t* entryBufPos = NULL;
uint8_t* entryStartPos;
@ -1604,7 +1670,7 @@ enqueueReport(ReportControl* reportControl, bool isIntegrity, bool isGI, uint64_
if (DEBUG_IED_SERVER) printf ("IED_SERVER: Last buffer offset: %i\n", (int) ((uint8_t*) buffer->lastEnqueuedReport - buffer->memoryBlock));
if (buffer->lastEnqueuedReport == buffer->oldestReport) { // --> buffer->reportsCount = 1?
if (buffer->lastEnqueuedReport == buffer->oldestReport) { /* --> buffer->reportsCount == 1 */
assert(buffer->reportsCount == 1);
entryBufPos = (uint8_t*) ((uint8_t*) buffer->lastEnqueuedReport + buffer->lastEnqueuedReport->entryLength);
@ -1638,11 +1704,14 @@ enqueueReport(ReportControl* reportControl, bool isIntegrity, bool isGI, uint64_
if ((entryBufPos + bufferEntrySize) > (buffer->memoryBlock + buffer->memoryBlockSize)) { /* buffer overflow */
entryBufPos = buffer->memoryBlock;
/* remove old reports until enough space for new entry is available */
while ((entryBufPos + bufferEntrySize) > (uint8_t*) buffer->oldestReport) {
assert(buffer->oldestReport != NULL);
if (buffer->nextToTransmit == buffer->oldestReport)
if (buffer->nextToTransmit == buffer->oldestReport) {
buffer->nextToTransmit = buffer->oldestReport->next;
buffer->isOverflow = true;
}
#if (DEBUG_IED_SERVER == 1)
printf("IED_SERVER: REMOVE report with ID ");
@ -1650,8 +1719,6 @@ enqueueReport(ReportControl* reportControl, bool isIntegrity, bool isGI, uint64_
printf("\n");
#endif
buffer->isOverflow = true;
buffer->oldestReport = buffer->oldestReport->next;
buffer->reportsCount--;
@ -1676,8 +1743,10 @@ enqueueReport(ReportControl* reportControl, bool isIntegrity, bool isGI, uint64_
while ((uint8_t*) buffer->oldestReport > buffer->memoryBlock) {
assert(buffer->oldestReport != NULL);
if (buffer->nextToTransmit == buffer->oldestReport)
if (buffer->nextToTransmit == buffer->oldestReport) {
buffer->nextToTransmit = buffer->oldestReport->next;
buffer->isOverflow = true;
}
#if (DEBUG_IED_SERVER == 1)
printf("IED_SERVER: REMOVE report with ID ");
@ -1696,8 +1765,10 @@ enqueueReport(ReportControl* reportControl, bool isIntegrity, bool isGI, uint64_
assert(buffer->oldestReport != NULL);
if (buffer->nextToTransmit == buffer->oldestReport)
if (buffer->nextToTransmit == buffer->oldestReport) {
buffer->nextToTransmit = buffer->oldestReport->next;
buffer->isOverflow = true;
}
#if (DEBUG_IED_SERVER == 1)
printf("IED_SERVER: REMOVE report with ID ");
@ -1717,8 +1788,10 @@ enqueueReport(ReportControl* reportControl, bool isIntegrity, bool isGI, uint64_
assert(buffer->oldestReport != NULL);
if (buffer->nextToTransmit == buffer->oldestReport)
if (buffer->nextToTransmit == buffer->oldestReport) {
buffer->nextToTransmit = buffer->oldestReport->next;
buffer->isOverflow = true;
}
#if (DEBUG_IED_SERVER == 1)
printf("IED_SERVER: REMOVE report with ID ");

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