int main ( int argc, char ** argv )
{
size_t buffsize = DEFAULT_CIRBUFFER_SIZE;
size_t maxsize = MAX_CIRBUFFER_SIZE;
if ( argc == 2 )
buffsize = StringUtils::FromString<size_t>(argv[1]);
CircularBuffer * buff = new CircularBuffer(buffsize);
std::string bstr = "0123456789";
int count = buffsize / bstr.length();
std::cout << " buffer capacity = " << buff->size()
<< ", max is " << maxsize
<< ", string '" << bstr << std::endl
<< "', count is " << count << std::endl << std::endl;
while ( buff->writeAvailable() >= bstr.length() )
buff->write(bstr.c_str(), bstr.length());
char * out = (char*) calloc(bstr.length(), sizeof(char));
std::cout << " dataAvail in buffer = " << buff->readAvailable()
<< std::endl;
for ( int i = 0; i < (count / 2); ++i ) {
buff->read(out, bstr.length());
}
std::cout << " read: '" << out << "'" << std::endl;
buffsize = buffsize - (count / 2);
std::cout << " resizing to " << buffsize << std::endl;
if ( ! buff->resize(buffsize) )
std::cout << "RESIZE FAILED" << std::endl;
std::cout << " buffer capacity = " << buff->size() << std::endl
<< " fullDataAvail = " << buff->readAvailable()
<< " dataAvail = " << buff->readPtrAvailable() << std::endl
<< " fullSpaceAvail = " << buff->writeAvailable()
<< " spaceAvail = " << buff->writePtrAvailable()
<< std::endl << std::endl;
int c = 0;
while ( buff->writePtrAvailable() >= bstr.length() ) {
buff->write(bstr.c_str(), bstr.length());
c++;
}
std::cout << " write count = " << c << std::endl << std::endl;
std::cout << " buffer capacity = " << buff->size() << std::endl
<< " fullDataAvail = " << buff->readAvailable()
<< " dataAvail = " << buff->readPtrAvailable() << std::endl
<< " fullSpaceAvail = " << buff->writeAvailable()
<< " spaceAvail = " << buff->writePtrAvailable()
<< std::endl << std::endl;
buffsize = buff->size() + bstr.length();
std::cout << " resizing to " << buffsize << std::endl;
if ( ! buff->resize(buffsize) )
std::cout << " RESIZE FAILED " << std::endl;
std::cout << " buffer capacity = " << buff->size() << std::endl
<< " fullDataAvail = " << buff->readAvailable()
<< " dataAvail = " << buff->readPtrAvailable() << std::endl
<< " fullSpaceAvail = " << buff->writeAvailable()
<< " spaceAvail = " << buff->writePtrAvailable()
<< std::endl << std::endl;
::free(out);
delete buff;
return 0;
}
