diff options
Diffstat (limited to 'plugins/hddtemp/hddtemp-plugin.c')
-rw-r--r-- | plugins/hddtemp/hddtemp-plugin.c | 338 |
1 files changed, 166 insertions, 172 deletions
diff --git a/plugins/hddtemp/hddtemp-plugin.c b/plugins/hddtemp/hddtemp-plugin.c index e045d2d..506491d 100644 --- a/plugins/hddtemp/hddtemp-plugin.c +++ b/plugins/hddtemp/hddtemp-plugin.c @@ -51,201 +51,195 @@ const gchar *plugin_name = "hddtemp"; #define HDDTEMP_OUTPUT_BUFFER_LENGTH 1024 enum { - HDDTEMP_SOCKET_OPEN_ERROR, - HDDTEMP_SOCKET_CONNECT_ERROR, - HDDTEMP_GIOCHANNEL_ERROR, - HDDTEMP_GIOCHANNEL_READ_ERROR - + HDDTEMP_SOCKET_OPEN_ERROR, + HDDTEMP_SOCKET_CONNECT_ERROR, + HDDTEMP_GIOCHANNEL_ERROR, + HDDTEMP_GIOCHANNEL_READ_ERROR }; static gchar buffer[HDDTEMP_OUTPUT_BUFFER_LENGTH]; static const gchar *hddtemp_plugin_query_hddtemp_daemon(GError **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(¤t_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; + 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(¤t_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; } - + static void hddtemp_plugin_get_sensors(GList **sensors) { - 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); + 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); } /* to be called to setup for hddtemp sensors */ static GList *hddtemp_plugin_init(void) { - GList *sensors = NULL; - hddtemp_plugin_get_sensors(&sensors); - return sensors; + GList *sensors = NULL; + hddtemp_plugin_get_sensors(&sensors); + return sensors; } - /* returns the value of the sensor_list at the given iter, or if an error occurs, instatiates error with an error message */ -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; +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) +const gchar *sensors_applet_plugin_name(void) { - return plugin_name; + return plugin_name; } -GList *sensors_applet_plugin_init(void) +GList *sensors_applet_plugin_init(void) { - return hddtemp_plugin_init(); + return hddtemp_plugin_init(); } -gdouble sensors_applet_plugin_get_sensor_value(const gchar *path, - const gchar *id, +gdouble sensors_applet_plugin_get_sensor_value(const gchar *path, + const gchar *id, SensorType type, GError **error) { - return hddtemp_plugin_get_sensor_value(path, id, type, error); + return hddtemp_plugin_get_sensor_value(path, id, type, error); } |