static bool
_set_token_and_mid(struct sol_coap_packet *pkt, int64_t *token)
{
static struct sol_random *random = NULL;
int32_t mid;
if (SOL_UNLIKELY(!random)) {
random = sol_random_new(SOL_RANDOM_DEFAULT, 0);
SOL_NULL_CHECK(random, false);
}
if (!sol_random_get_int64(random, token)) {
SOL_WRN("Could not generate CoAP token");
return false;
}
if (!sol_random_get_int32(random, &mid)) {
SOL_WRN("Could not generate CoAP message id");
return false;
}
if (!sol_coap_header_set_token(pkt, (uint8_t *)token, (uint8_t)sizeof(*token))) {
SOL_WRN("Could not set CoAP packet token");
return false;
}
sol_coap_header_set_id(pkt, (int16_t)mid);
return true;
}
static void
test_coap_token_simple(void)
{
uint8_t token[] = { 't', 'o', 'k', 'e', 'n' };
uint8_t token_length;
uint8_t *token_ptr;
struct sol_coap_packet *pkt;
pkt = sol_coap_packet_new(NULL);
ASSERT(pkt);
ASSERT(!sol_coap_header_set_token(pkt, token, sizeof(token)));
token_ptr = sol_coap_header_get_token(pkt, &token_length);
ASSERT(token_ptr);
ASSERT_INT_EQ(token_length, sizeof(token));
ASSERT(streqn((char *)token_ptr, (char *)token, sizeof(token)));
ASSERT(!coap_packet_parse(pkt));
sol_coap_packet_unref(pkt);
}
int
main(int argc, char *argv[])
{
struct sol_coap_server *server;
struct sol_str_slice *path;
struct sol_network_link_addr cliaddr = { };
struct sol_coap_packet *req;
uint8_t observe = 0;
int i, r;
struct sol_network_link_addr servaddr = { .family = SOL_NETWORK_FAMILY_INET6,
.port = 0 };
uint8_t token[4] = { 0x41, 0x42, 0x43, 0x44 };
sol_init();
if (argc < 3) {
printf("Usage: %s <address> <path> [path]\n", argv[0]);
return 0;
}
server = sol_coap_server_new(&servaddr);
if (!server) {
SOL_WRN("Could not create a coap server.");
return -1;
}
req = sol_coap_packet_request_new(SOL_COAP_METHOD_GET, SOL_COAP_TYPE_CON);
if (!req) {
SOL_WRN("Could not make a GET request to resource %s", argv[2]);
return -1;
}
r = sol_coap_header_set_token(req, token, sizeof(token));
if (r < 0) {
SOL_WRN("Could not set coap header token.");
return -1;
}
path = calloc(argc - 1, sizeof(*path));
if (!path) {
sol_coap_packet_unref(req);
return -1;
}
for (i = 2; i < argc; i++) {
path[i - 2] = sol_str_slice_from_str(argv[i]);
}
sol_coap_add_option(req, SOL_COAP_OPTION_OBSERVE, &observe, sizeof(observe));
for (i = 0; path[i].data; i++)
sol_coap_add_option(req, SOL_COAP_OPTION_URI_PATH, path[i].data, path[i].len);
cliaddr.family = SOL_NETWORK_FAMILY_INET6;
if (!sol_network_link_addr_from_str(&cliaddr, argv[1])) {
SOL_WRN("%s is an invalid IPv6 address", argv[1]);
free(path);
sol_coap_packet_unref(req);
return -1;
}
cliaddr.port = DEFAULT_UDP_PORT;
/* Takes the ownership of 'req'. */
sol_coap_send_packet_with_reply(server, req, &cliaddr, reply_cb, path);
sol_run();
sol_coap_server_unref(server);
free(path);
return 0;
}
