uint8_t find_sensor(uint8_t sensor_number) {
dbus_interface_t a;
char *p;
char r;
r = find_openbmc_path("SENSOR", sensor_number, &a);
if (r < 0) { return 0; }
// This is where sensors that do not exist in dbus but do
// exist in the host code stop. This should indicate it
// is not a supported sensor
if (a.bus[0] == 0) { return 0;}
if (strstr(a.interface, "InventoryItem")) {
// InventoryItems are real frus. So need to get the
// fru_type property
r = dbus_to_sensor_type_from_dbus(&a);
} else {
// Non InventoryItems
p = strrchr (a.path, '/');
r = dbus_to_sensor_type(p+1);
}
return r;
}
ipmi_ret_t ipmi_sen_get_sensor_reading(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
sensor_data_t *reqptr = (sensor_data_t*)request;
ipmi_ret_t rc = IPMI_CC_SENSOR_INVALID;
uint8_t type;
sensorreadingresp_t *resp = (sensorreadingresp_t*) response;
int r;
dbus_interface_t a;
sd_bus *bus = ipmid_get_sd_bus_connection();
sd_bus_message *reply = NULL;
int reading = 0;
printf("IPMI GET_SENSOR_READING [0x%02x]\n",reqptr->sennum);
r = find_openbmc_path("SENSOR", reqptr->sennum, &a);
if (r < 0) {
fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum);
return IPMI_CC_SENSOR_INVALID;
}
type = find_sensor(reqptr->sennum);
fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", a.bus, a.path, a.interface);
*data_len=0;
switch(type) {
case 0xC3:
case 0xC2:
r = sd_bus_get_property(bus,a.bus, a.path, a.interface, "value", NULL, &reply, "i");
if (r < 0) {
fprintf(stderr, "Failed to call sd_bus_get_property:%d, %s\n", r, strerror(-r));
fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n",
a.bus, a.path, a.interface);
break;
}
r = sd_bus_message_read(reply, "i", &reading);
if (r < 0) {
fprintf(stderr, "Failed to read sensor: %s\n", strerror(-r));
break;
}
printf("Contents of a 0x%02x is 0x%02x\n", type, reading);
rc = IPMI_CC_OK;
*data_len=sizeof(sensorreadingresp_t);
resp->value = (uint8_t)reading;
resp->operation = 0;
resp->indication[0] = 0;
resp->indication[1] = 0;
break;
default:
*data_len=0;
rc = IPMI_CC_SENSOR_INVALID;
break;
}
reply = sd_bus_message_unref(reply);
return rc;
}
