Method send_frame_data

lib_acl_cpp/src/http/websocket.cpp:180–218

//////////////////////////////////////////////////////////////////////////////

bool websocket::send_frame_data(void* data, size_t len)
{
	if (!header_sent_) {
		header_sent_ = true;
		make_frame_header();
		if (client_.write(header_buf_, header_len_) == -1) {
			logger_error("write header error %s, len: %d",
				last_serror(), (int) header_len_);
			return false;
		}
	}

	if (data == NULL || len == 0) {
		return true;
	}

	// senity check
	if (payload_nsent_ + len > header_.payload_len) {
		logger_error("data len overflow=%llu > %llu, %llu, %lu",
			payload_nsent_ + len, header_.payload_len,
			payload_nsent_, (unsigned long) len);
		return false;
	}

	if (header_.mask) {
		unsigned char* mask = (unsigned char*) &header_.masking_key;
		for (size_t i = 0; i < len; i++) {
			((char*) data)[i] ^= mask[(payload_nsent_ + i) % 4];
		}
	}

	if (client_.write(data, len) == -1) {
		logger_error("write frame data error %s", last_serror());
		return false;
	}

	payload_nsent_ += len;
	return true;
}

bool websocket::send_frame_data(const char* str)
{