本文整理汇总了C++中CallbackInfo::dataTemplateCallbackFunction方法的典型用法代码示例。如果您正苦于以下问题:C++ CallbackInfo::dataTemplateCallbackFunction方法的具体用法?C++ CallbackInfo::dataTemplateCallbackFunction怎么用?C++ CallbackInfo::dataTemplateCallbackFunction使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CallbackInfo
的用法示例。
在下文中一共展示了CallbackInfo::dataTemplateCallbackFunction方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: dbReaderSendNewTemplate
/**
* Constructs a template from the table data and sends it to all connected
* modules.
*/
int dbReaderSendNewTemplate(IpfixDbReader* ipfixDbReader,DataTemplateInfo* dataTemplateInfo, int table_index)
{
int i,n;
int fieldLength = 0;
DbReader* dbReader = ipfixDbReader->dbReader;
DbData* dbData = dbReader->dbData;
dataTemplateInfo->id =0;
dataTemplateInfo->preceding= 0;
dataTemplateInfo->fieldCount = 0;
dataTemplateInfo->fieldInfo = NULL;
dataTemplateInfo->dataCount = 0;
dataTemplateInfo->dataInfo = NULL;
dataTemplateInfo->data = NULL;
dataTemplateInfo->userData = NULL;
/**get columnsname of the table*/
if(getColumns(ipfixDbReader, table_index) != 0) {
msg(MSG_ERROR,"IpfixDbReader: Could not get columns for template");
return 1;
}
for(i = 0; i < dbData->colCount; i++) {
dataTemplateInfo->fieldCount++;
dataTemplateInfo->fieldInfo = realloc(dataTemplateInfo->fieldInfo,
sizeof(FieldInfo)*dataTemplateInfo->fieldCount);
FieldInfo* fi = &dataTemplateInfo->fieldInfo[dataTemplateInfo->fieldCount - 1];
fi->type.id = dbData->columns[i]->ipfixId;
fi->type.length = dbData->columns[i]->length;
fi->type.eid = 0;
fi->offset = fieldLength;
fieldLength = fieldLength + fi->type.length;
}
for (n = 0; n != dbReader->callbackCount; n++) {
CallbackInfo* ci = &dbReader->callbackInfo[n];
if (ci->dataTemplateCallbackFunction) {
ci->dataTemplateCallbackFunction(ci->handle, &ipfixDbReader->srcId,
dataTemplateInfo);
msg(MSG_DEBUG,"IpfixDbReader sent template for table %s", dbData->tableNames[table_index]);
}
}
return 0;
}
示例2: processDataTemplateSet
/**
* Processes an IPFIX DataTemplate set.
* Called by processMessage
*/
static void processDataTemplateSet(IpfixReceiver* ipfixReceiver, SourceID sourceId, IpfixSetHeader* set) {
IpfixDataTemplateHeader* th = (IpfixDataTemplateHeader*)&set->data;
byte* endOfSet = (byte*)set + ntohs(set->length);
byte* record = (byte*)&th->data;
/* DataTemplateSets are >= 4 byte, so we stop processing when only 3 bytes are left */
while (record < endOfSet - 3) {
BufferedTemplate* bt = (BufferedTemplate*)malloc(sizeof(BufferedTemplate));
DataTemplateInfo* ti = (DataTemplateInfo*)malloc(sizeof(DataTemplateInfo));
bt->sourceID = sourceId;
bt->templateID = ntohs(th->templateId);
bt->recordLength = 0;
bt->setID = ntohs(set->id);
bt->dataTemplateInfo = ti;
ti->userData = 0;
ti->fieldCount = ntohs(th->fieldCount);
ti->dataCount = ntohs(th->dataCount);
ti->fieldInfo = (FieldInfo*)malloc(ti->fieldCount * sizeof(FieldInfo));
int isLengthVarying = 0;
uint16_t fieldNo;
for (fieldNo = 0; fieldNo < ti->fieldCount; fieldNo++) {
ti->fieldInfo[fieldNo].type.id = ntohs(*(uint16_t*)((byte*)record+0));
ti->fieldInfo[fieldNo].type.length = ntohs(*(uint16_t*)((byte*)record+2));
ti->fieldInfo[fieldNo].offset = bt->recordLength; bt->recordLength+=ti->fieldInfo[fieldNo].type.length;
if (ti->fieldInfo[fieldNo].type.length == 65535) isLengthVarying=1;
if (ti->fieldInfo[fieldNo].type.id & 0x80) {
ti->fieldInfo[fieldNo].type.eid = ntohl(*(uint32_t*)((byte*)record+4));
record = (byte*)((byte*)record+8);
} else {
ti->fieldInfo[fieldNo].type.eid = 0;
record = (byte*)((byte*)record+4);
}
}
if (isLengthVarying) {
bt->recordLength = 65535;
for (fieldNo = 0; fieldNo < ti->fieldCount; fieldNo++) ti->fieldInfo[fieldNo].offset = 65535;
}
ti->dataInfo = (FieldInfo*)malloc(ti->fieldCount * sizeof(FieldInfo));
for (fieldNo = 0; fieldNo < ti->dataCount; fieldNo++) {
ti->dataInfo[fieldNo].type.id = ntohs(*(uint16_t*)((byte*)record+0));
ti->dataInfo[fieldNo].type.length = ntohs(*(uint16_t*)((byte*)record+2));
if (ti->dataInfo[fieldNo].type.id & 0x80) {
ti->dataInfo[fieldNo].type.eid = ntohl(*(uint32_t*)((byte*)record+4));
record = (byte*)((byte*)record+8);
} else {
ti->dataInfo[fieldNo].type.eid = 0;
record = (byte*)((byte*)record+4);
}
}
/* done with reading dataInfo, @c record now points to the fixed data block */
byte* dataStart = record;
int dataLength = 0;
for (fieldNo = 0; fieldNo < ti->dataCount; fieldNo++) {
ti->dataInfo[fieldNo].offset = dataLength;
if (ti->dataInfo[fieldNo].type.length == 65535) {
/* This is a variable-length field, get length from first byte and advance offset */
ti->dataInfo[fieldNo].type.length = *(uint8_t*)(dataStart + ti->dataInfo[fieldNo].offset);
ti->dataInfo[fieldNo].offset += 1;
if (ti->dataInfo[fieldNo].type.length == 255) {
/* First byte did not suffice, length is stored in next two bytes. Advance offset */
ti->dataInfo[fieldNo].type.length = *(uint16_t*)(dataStart + ti->dataInfo[fieldNo].offset);
ti->dataInfo[fieldNo].offset += 2;
}
}
dataLength += ti->dataInfo[fieldNo].type.length;
}
/* Copy fixed data block */
ti->data = (byte*)malloc(dataLength);
memcpy(ti->data,dataStart,dataLength);
/* Advance record to end of fixed data block, i.e. start of next template*/
record += dataLength;
bufferTemplate(ipfixReceiver->templateBuffer, bt);
// FIXME: Template expiration disabled for debugging
// bt->expires = time(0) + TEMPLATE_EXPIRE_SECS;
int n;
for (n = 0; n < ipfixReceiver->callbackCount; n++) {
CallbackInfo* ci = &ipfixReceiver->callbackInfo[n];
if (ci->dataTemplateCallbackFunction) ci->dataTemplateCallbackFunction(ci->handle, sourceId, ti);
}
}
}