int ChunkOutputStream::chunkedWrite( IOVec &iov, int &headerTotal,
const char * pBuf, int size)
{
//printf( "****ChunkOutputStream::chunkedWrite()\n" );
IOVec::iterator iter = iov.end();
int bytes = buildIovec( iov, pBuf, size );
int total = bytes + headerTotal;
int ret = m_pOS->writev( iov, total );
assert( m_iCurSize == 0 );
if ( ret >= total )
{
iov.clear();
headerTotal = 0;
m_iCurSize = 0;
return size;
}
else if ( ret >= 0 )
{
if( ret >= headerTotal )
{
if ( ret == headerTotal )
{
iov.clear();
}
else
{
ret -= headerTotal;
m_iTotalPending = bytes - ret;
iov.setBegin( iter );
iov.finish( ret );
m_pLastBufBegin = pBuf;
m_iLastBufLen = size;
}
headerTotal = 0;
}
else
{
if ( ret )
{
headerTotal -= ret;
iov.finish( ret );
}
iov.setEnd( iter );
}
return 0;
}
else
iov.setEnd( iter );
return ret;
}
int SpdyStream::write(const char *buf, int len)
{
IOVec iov;
const char *p = buf;
const char *pEnd = buf + len;
int allowed;
if (getState() == HIOS_DISCONNECTED)
return LS_FAIL;
while(pEnd - p > 0)
{
allowed = getDataFrameSize(pEnd - p);
if (allowed <= 0)
break;
iov.append(p, allowed);
if (sendData(&iov, allowed) == -1)
return LS_FAIL;
p += allowed;
iov.clear();
}
return p - buf;
}
