- HDDTEMP_SOCKET_OPEN_ERROR,

- HDDTEMP_SOCKET_CONNECT_ERROR,

- HDDTEMP_GIOCHANNEL_ERROR,

- HDDTEMP_GIOCHANNEL_READ_ERROR

-

- int sockfd;

- ssize_t n = 1;

- guint output_length = 0;

- static gboolean first_run = TRUE;

- gchar *pc;

-

- struct sockaddr_in address;

- static GTimeVal previous_query_time;

- GTimeVal current_query_time;

-

- if (first_run) {

- // initialise previous time

- g_get_current_time(&previous_query_time);

- }

- g_get_current_time(&current_query_time);

-

- /* only actually query if more than 60 seconds has elapsed as

- hddtemp daemon will only actually send a new value if is > 60

- seconds */

- if (first_run || current_query_time.tv_sec - previous_query_time.tv_sec > 60) {

- previous_query_time = current_query_time;

-

- if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {

- // couldn't open socket

- g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, HDDTEMP_SOCKET_OPEN_ERROR, "Error opening socket for hddtemp");

- return NULL;

- }

-

- address.sin_family = AF_INET;

- address.sin_addr.s_addr = inet_addr(HDDTEMP_SERVER_IP_ADDRESS);

- address.sin_port = htons(HDDTEMP_PORT_NUMBER);

-

- if (connect(sockfd, (struct sockaddr *)&address,

- (socklen_t)sizeof(address)) == -1) {

- g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, HDDTEMP_SOCKET_CONNECT_ERROR, "Error connecting to hddtemp daemon on port %i on %s", htons(HDDTEMP_PORT_NUMBER), HDDTEMP_SERVER_IP_ADDRESS);

- close(sockfd);

- return NULL;

- }

- memset(buffer, 0, sizeof(buffer));

- pc = buffer;

- while ((n = read(sockfd, pc,

- sizeof(buffer) - output_length)) > 0) {

- output_length += n;

- pc += n;

- }

- /* always null terminate the end of the buffer */

- buffer[MIN(output_length, sizeof(buffer) - 1)] = '\0';

- close(sockfd);

- first_run = FALSE;

- }

-

- return buffer;

-

- GError *error = NULL;

- const gchar *hddtemp_output;

- gchar **output_vector = NULL, **pv;

-

- hddtemp_output = hddtemp_plugin_query_hddtemp_daemon(&error);

-

- if (error) {

- g_error_free(error);

- return;

- }

-

- if (hddtemp_output[0] != '|') {

- g_debug("Error in format of string returned from hddtemp daemon: char at [0] should be \"|\", instead whole output is: \"%s\"", hddtemp_output);

- return;

- }

-

- /* for each sensor the output will contain four strings ie

- |/dev/hda|WDC WD800JB-00ETA0|32|C||/dev/hdb|???|ERR|*|

- note the repetition -----^ */

-

- /*

-

- pv[0 + 5*n] empty

- pv[1 + 5*n] device name

- pv[2 + 5*n] disk label

- pv[3 + 5*n] temperature

- pv[4 + 5*n] unit

- pv[5 + 5*n] empty

-

- */

-

- pv = output_vector = g_strsplit(hddtemp_output, "|", -1);

-

- while(pv[1] != NULL) {

- if (g_strcmp0(pv[2], "") != 0 &&

- g_strcmp0(pv[3], "") != 0 &&

- g_strcmp0(pv[4], "") != 0 &&

- (!(g_ascii_strcasecmp(pv[2], "???") == 0 ||

- g_ascii_strcasecmp(pv[3], "ERR") == 0 ||

- g_ascii_strcasecmp(pv[4], "*") == 0))) {

- sensors_applet_plugin_add_sensor(sensors,

- pv[1], // must be dynamically allocated

- pv[1], // must be dynamically allocated

- pv[2], // must be dynamically allocated

- TEMP_SENSOR,

- FALSE,

- HDD_ICON,

- DEFAULT_GRAPH_COLOR);

- }

- pv += 5;

- }

- g_strfreev(output_vector);

- GList *sensors = NULL;

- hddtemp_plugin_get_sensors(&sensors);

- return sensors;

-

-static gdouble hddtemp_plugin_get_sensor_value(const gchar *path,

- const gchar *id,

- SensorType type,

- GError **error) {

-

- const gchar *hddtemp_output;

- gchar **output_vector = NULL, **pv;

-

- gfloat sensor_value = -1.0f;

-

- hddtemp_output = hddtemp_plugin_query_hddtemp_daemon(error);

-

- if (*error) {

- return sensor_value;

- }

-

- if (hddtemp_output[0] != '|') {

- g_debug("Error in format of string returned from hddtemp daemon: char at [0] should be \"|\", instead whole output is: \"%s\"", hddtemp_output);

- return sensor_value;

- }

-

- /* for each sensor the output will contain four strings ie

- |/dev/hda|WDC WD800JB-00ETA0|32|C||/dev/hdb|???|ERR|*|

- note the repetition -----^

-

- pv[0 + 5*n] empty

- pv[1 + 5*n] device name

- pv[2 + 5*n] disk label

- pv[3 + 5*n] temperature

- pv[4 + 5*n] unit

- pv[5 + 5*n] empty

-

- */

-

- pv = output_vector = g_strsplit(hddtemp_output, "|", -1);

-

- while(pv[1] != NULL) {

- if (g_ascii_strcasecmp(pv[1], path) == 0) {

- sensor_value = (gfloat)(g_ascii_strtod(pv[3], NULL));

-

- /* always return sensor values in celsius */

- if (pv[4][0] == 'F') {

- sensor_value = (sensor_value - 32.0) * 5.0 / 9.0;

- }

- break;

- }

- pv += 5;

- }

- g_strfreev(output_vector);

-

- return (gdouble)sensor_value;

-const gchar *sensors_applet_plugin_name(void)

- return plugin_name;

-GList *sensors_applet_plugin_init(void)

- return hddtemp_plugin_init();

-gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,

- const gchar *id,

- return hddtemp_plugin_get_sensor_value(path, id, type, error);