示例#1
0
static void _notify_points(void)
{
    uint8_t buf[GCOAP_PDU_BUF_SIZE];
    coap_pkt_t pdu;

    /* send Observe notification for /luke/points */
    switch (gcoap_obs_init(&pdu, &buf[0], GCOAP_PDU_BUF_SIZE,
            &_resources[0])) {
        case GCOAP_OBS_INIT_OK: {
            size_t payload_len = sprintf((char *)pdu.payload, LUKE_PAYLOAD_FMT,
                                         _points);
            size_t len;

            len = gcoap_finish(&pdu, payload_len, COAP_FORMAT_JSON);
            gcoap_obs_send(&buf[0], len, &_resources[0]);
            break;
        }
        default:
            break;
    }
}
示例#2
0
int gcoap_cli_cmd(int argc, char **argv)
{
    /* Ordered like the RFC method code numbers, but off by 1. GET is code 0. */
    char *method_codes[] = {"get", "post", "put"};
    uint8_t buf[GCOAP_PDU_BUF_SIZE];
    coap_pkt_t pdu;
    size_t len;

    if (argc == 1) {
        /* show help for main commands */
        goto end;
    }

    for (size_t i = 0; i < sizeof(method_codes) / sizeof(char*); i++) {
        if (strcmp(argv[1], method_codes[i]) == 0) {
            if (argc == 5 || argc == 6) {
                if (argc == 6) {
                    gcoap_req_init(&pdu, &buf[0], GCOAP_PDU_BUF_SIZE, i+1, argv[4]);
                    memcpy(pdu.payload, argv[5], strlen(argv[5]));
                    len = gcoap_finish(&pdu, strlen(argv[5]), COAP_FORMAT_TEXT);
                }
                else {
                    len = gcoap_request(&pdu, &buf[0], GCOAP_PDU_BUF_SIZE, i+1,
                                                                           argv[4]);
                }
                printf("gcoap_cli: sending msg ID %u, %u bytes\n", coap_get_id(&pdu),
                       (unsigned) len);
                if (!_send(&buf[0], len, argv[2], argv[3])) {
                    puts("gcoap_cli: msg send failed");
                }
                else {
                    /* send Observe notification for /cli/stats */
                    switch (gcoap_obs_init(&pdu, &buf[0], GCOAP_PDU_BUF_SIZE,
                            &_resources[0])) {
                    case GCOAP_OBS_INIT_OK:
                        DEBUG("gcoap_cli: creating /cli/stats notification\n");
                        size_t payload_len = fmt_u16_dec((char *)pdu.payload, req_count);
                        len = gcoap_finish(&pdu, payload_len, COAP_FORMAT_TEXT);
                        gcoap_obs_send(&buf[0], len, &_resources[0]);
                        break;
                    case GCOAP_OBS_INIT_UNUSED:
                        DEBUG("gcoap_cli: no observer for /cli/stats\n");
                        break;
                    case GCOAP_OBS_INIT_ERR:
                        DEBUG("gcoap_cli: error initializing /cli/stats notification\n");
                        break;
                    }
                }
                return 0;
            }
            else {
                printf("usage: %s <get|post|put> <addr> <port> <path> [data]\n",
                       argv[0]);
                return 1;
            }
        }
    }

    if (strcmp(argv[1], "info") == 0) {
        if (argc == 2) {
            uint8_t open_reqs = gcoap_op_state();

            printf("CoAP server is listening on port %u\n", GCOAP_PORT);
            printf(" CLI requests sent: %u\n", req_count);
            printf("CoAP open requests: %u\n", open_reqs);
            return 0;
        }
    }

    end:
    printf("usage: %s <get|post|put|info>\n", argv[0]);
    return 1;
}