Esempi in C++ (Cpp) per QPB_INIT_STACK_ALLOCATOR

Esempio n. 1

File: zebra_fpm_dt.c Progetto: ton31337/frr

/*
 * zfpm_dt_benchmark_protobuf_decode
 */
int zfpm_dt_benchmark_protobuf_decode(int argc, const char **argv)
{
	int times, i, len;
	rib_dest_t *dest;
	struct route_entry *re;
	uint8_t msg_buf[4096];
	QPB_DECLARE_STACK_ALLOCATOR(allocator, 8192);
	Fpm__Message *fpm_msg;

	QPB_INIT_STACK_ALLOCATOR(allocator);

	times = 100000;
	if (argc > 0)
		times = atoi(argv[0]);

	if (!zfpm_dt_find_route(&dest, &re))
		return 1;

	/*
	 * Encode the route into the message buffer once only.
	 */
	len = zfpm_protobuf_encode_route(dest, re, msg_buf, sizeof(msg_buf));
	if (len <= 0)
		return 2;

	// Decode once, and display the decoded message
	fpm_msg = fpm__message__unpack(&allocator, len, msg_buf);

	if (fpm_msg) {
		zfpm_dt_log_fpm_message(fpm_msg);
		QPB_RESET_STACK_ALLOCATOR(allocator);
	}

	/*
	 * Decode encoded message the specified number of times.
	 */
	for (i = 0; i < times; i++) {
		fpm_msg = fpm__message__unpack(&allocator, len, msg_buf);

		if (!fpm_msg)
			return 3;

		// fpm__message__free_unpacked(msg, NULL);
		QPB_RESET_STACK_ALLOCATOR(allocator);
	}
	return 0;
}

Esempio n. 2

/*
 * zfpm_protobuf_encode_route
 *
 * Create a protobuf message corresponding to the given route in the
 * given buffer space.
 *
 * Returns the number of bytes written to the buffer. 0 or a negative
 * value indicates an error.
 */
int zfpm_protobuf_encode_route(rib_dest_t *dest, struct route_entry *re,
			       uint8_t *in_buf, size_t in_buf_len)
{
	Fpm__Message *msg;
	QPB_DECLARE_STACK_ALLOCATOR(allocator, 4096);
	size_t len;

	QPB_INIT_STACK_ALLOCATOR(allocator);

	msg = create_route_message(&allocator, dest, re);
	if (!msg) {
		assert(0);
		return 0;
	}

	len = fpm__message__pack(msg, (uint8_t *)in_buf);
	assert(len <= in_buf_len);

	QPB_RESET_STACK_ALLOCATOR(allocator);
	return len;
}