Method saveFile

lib_acl_cpp/samples/http/webSocketServlet/WebsocketServlet_impl.cpp:166–204

}

bool WebsocketServlet_impl::saveFile(unsigned long long len)
{
	char buf[8192];
	while (nread_ < filesize_) {
		size_t left = (size_t) (filesize_ - nread_);
		size_t n = left > sizeof(buf) ? sizeof(buf) : left;
		int ret = readPayload(buf, n);
		if (ret == -1) {
			printf("readPayload error\r\n");
			return false;
		}
		if (ret == 0) {
			break;
		}

		nread_ += ret;
		if (fp_.write(buf, ret) == -1) {
			printf("write data to %s error %s\r\n",
				filename_.c_str(), acl::last_serror());
			return false;
		}
	}

	printf("file=%s, payload_len=%llu, filesize_=%lld, nread_=%lld\r\n",
		filename_.c_str(), len, filesize_, nread_);

	if (nread_ == filesize_) {
		printf("READ OVER FOR FILE %s\r\n", filename_.c_str());

		step_     = 0;
		filesize_ = 0;
		nread_    = 0;
		filename_.clear();
		fp_.close();
		return sendText("+ok");
	} else {
		return true;
	}
}