1/*********************************************************************
2   PicoTCP. Copyright (c) 2012-2017 Altran Intelligent Systems. Some rights reserved.
3   See COPYING, LICENSE.GPLv2 and LICENSE.GPLv3 for usage.
4
5 *********************************************************************/
6#ifndef INCLUDE_PICO_MOCK
7#define INCLUDE_PICO_MOCK
8#include "pico_config.h"
9#include "pico_device.h"
10
11
12struct mock_frame {
13    uint8_t*buffer;
14    int len;
15    int read;
16
17    struct mock_frame*next;
18};
19
20struct mock_device {
21    struct pico_device*dev;
22    struct mock_frame*in_head;
23    struct mock_frame*in_tail;
24    struct mock_frame*out_head;
25    struct mock_frame*out_tail;
26
27    uint8_t*mac;
28
29};
30
31struct mock_device;
32/* A mockup-device for the purpose of testing. It provides a couple of extra "network"-functions, which represent the network-side of the device. A network_send will result in mock_poll reading something, a network_read will see if the stack has sent anything through our mock-device. */
33void pico_mock_destroy(struct pico_device *dev);
34struct mock_device *pico_mock_create(uint8_t*mac);
35
36int pico_mock_network_read(struct mock_device*mock, void *buf, int len);
37int pico_mock_network_write(struct mock_device*mock, const void *buf, int len);
38
39/* TODO */
40/* we could use a few checking functions, e.g. one to see if it's a valid IP packet, if it's TCP, if the IP-address matches,... */
41/* That would be useful to avoid having to manually create buffers of what you expect, probably with masks for things that are random,... */
42uint32_t mock_get_sender_ip4(struct mock_device*mock, void*buf, int len);
43
44int mock_ip_protocol(struct mock_device*mock, void*buf, int len);
45int mock_icmp_type(struct mock_device*mock, void*buf, int len);
46int mock_icmp_code(struct mock_device*mock, void*buf, int len);
47#endif
48