本文整理汇总了C++中DCBuffer::getUsedSize方法的典型用法代码示例。如果您正苦于以下问题：C++ DCBuffer::getUsedSize方法的具体用法？C++ DCBuffer::getUsedSize怎么用？C++ DCBuffer::getUsedSize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DCBuffer的用法示例。
在下文中一共展示了DCBuffer::getUsedSize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: process
int process()
{
int i;
int j;
DCBuffer * work = get_init_filter_broadcast();
std::string packet_size_and_num_packets;
work->Extract(& packet_size_and_num_packets);
std::vector<std::string> toks =
dcmpi_string_tokenize(packet_size_and_num_packets);
int num_packets = dcmpi_csnum(toks[1]);
for (i = 0; i < num_packets; i++) {
DCBuffer * b = readany();
char * p = b->getPtr();
for (j = 0; j < b->getUsedSize(); j++) {
char expected = (char)(j%256);
if (p[j] != expected) {
sleep(2);
std::cerr << "ERROR: expecting " << (int)expected
<< ", got " << (int)p[j]
<< ", j=" << j
<< " at " << __FILE__ << ":" << __LINE__
<< std::endl << std::flush;
std::cerr << *b;
// b->extended_print(cerr);
assert(0);
}
}
b->consume();
printf(".");
fflush(stdout);
}
printf("\n");
return 0;
}示例2: process
int ocvm_dim_writer::process()
{
std::string output_directory;
int x1, y1, x2, y2, z;
int i, j;
DCBuffer * in;
const char * mode;
//while (1) {
//in = read_until_upstream_exit("0");
in = read("0");
//if (!in) {
// break;
//}
in->unpack("siiiii",
&output_directory, &x1, &y1,
&x2, &y2, &z);
in->consume();
// cout << "dimwriter on " << dcmpi_get_hostname()
// << ": writing to "
// << output_filename << endl;
std::string containing_dir = dcmpi_file_dirname(output_directory);
if (!dcmpi_file_exists(containing_dir)) {
if (dcmpi_mkdir_recursive(containing_dir)) {
std::cerr << "ERROR: making directories on "
<< dcmpi_get_hostname()
<< " at " << __FILE__ << ":" << __LINE__
<< std::endl << std::flush;
}
}
assert(dcmpi_file_exists(containing_dir));
FILE * f;
mode = "w";
for (i = y1; i <= y2; i++) {
for (j = x1; j <= x2; j++) {
std::string output_filename = output_directory + tostr(j) + "_" + tostr(i) + "_0";
if ((f = fopen(output_filename.c_str(), mode)) == NULL) {
std::cerr << "ERROR: opening " << output_filename
<< " for mode " << mode
<< " on host " << dcmpi_get_hostname()
<< " at " << __FILE__ << ":" << __LINE__
<< std::endl << std::flush;
exit(1);
}
in = read("0");
if (compress) {
in->decompress();
}
if (fwrite(in->getPtr(), in->getUsedSize(), 1, f) < 1) {
std::cerr << "ERROR: calling fwrite()"
<< " at " << __FILE__ << ":" << __LINE__
<< std::endl << std::flush;
exit(1);
}
in->consume();
if (fclose(f) != 0) {
std::cerr << "ERROR: calling fclose()"
<< " at " << __FILE__ << ":" << __LINE__
<< std::endl << std::flush;
exit(1);
}
}
}
//}
return 0;
}