本文整理汇总了C++中Slave::SPEReadData方法的典型用法代码示例。如果您正苦于以下问题：C++ Slave::SPEReadData方法的具体用法？C++ Slave::SPEReadData怎么用？C++ Slave::SPEReadData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Slave的用法示例。
在下文中一共展示了Slave::SPEReadData方法的1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: SPEHandler
//.........这里部分代码省略.........
// processing...
while (init_success)
{
char* dataseg = NULL;
int size = 0;
if (self->m_DataChn.recv(ip, dataport, transid, dataseg, size) < 0)
break;
// client request to close this SPE
if (size < 20)
break;
// read data segment parameters
int64_t offset = *(int64_t*)(dataseg);
int64_t totalrows = *(int64_t*)(dataseg + 8);
int32_t dsid = *(int32_t*)(dataseg + 16);
string datafile = dataseg + 20;
sprintf(dest.m_pcLocalFileID, ".%d", dsid);
delete [] dataseg;
self->m_SectorLog << LogStart(LogLevel::LEVEL_3) << "new job " << datafile << " " << offset << " " << totalrows << LogEnd();
int64_t* index = NULL;
if ((totalrows > 0) && (rows != 0))
index = new int64_t[totalrows + 1];
char* block = NULL;
int unitrows = (rows != -1) ? rows : totalrows;
int progress = 0;
// read data
if (0 != rows)
{
size = 0;
if (self->SPEReadData(datafile, offset, size, index, totalrows, block) <= 0)
{
delete [] index;
delete [] block;
progress = SectorError::E_SPEREAD;
msg.setData(4, (char*)&progress, 4);
msg.m_iDataLength = SectorMsg::m_iHdrSize + 8;
int id = 0;
self->m_GMP.sendto(ip.c_str(), ctrlport, id, &msg);
continue;
}
}
else
{
// store file name in "process" parameter
block = new char[datafile.length() + 1];
strcpy(block, datafile.c_str());
size = datafile.length() + 1;
totalrows = 0;
}
SInput input;
input.m_pcUnit = NULL;
input.m_pcParam = (char*)param;
input.m_iPSize = psize;
SOutput output;
output.m_iBufSize = (size < 64000000) ? 64000000 : size;
output.m_pcResult = new char[output.m_iBufSize];
output.m_iIndSize = (totalrows < 640000) ? 640000 : totalrows + 2;
output.m_pllIndex = new int64_t[output.m_iIndSize];
output.m_piBucketID = new int[output.m_iIndSize];