#define MCELOG_POLL_TIMEOUT 1000 /* ms */
#define MCELOG_SOCKET_STR "SOCKET"
#define MCELOG_DIMM_NAME "DMI_NAME"
-#define MCELOG_CORRECTED_ERR "corrected memory errors:"
-#define MCELOG_UNCORRECTED_ERR "uncorrected memory errors:"
+#define MCELOG_CORRECTED_ERR "corrected memory errors"
+#define MCELOG_UNCORRECTED_ERR "uncorrected memory errors"
typedef struct mcelog_config_s {
char logfile[PATH_MAX]; /* mcelog logfile */
};
typedef struct mcelog_memory_rec_s {
- char location[DATA_MAX_NAME_LEN]; /* SOCKET x CHANNEL x DIMM x*/
- char dimm_name[DATA_MAX_NAME_LEN]; /* DMI_NAME "DIMM_F1" */
- int corrected_err_total; /* x total*/
- int corrected_err_timed; /* x in 24h*/
+ int corrected_err_total; /* x total*/
+ int corrected_err_timed; /* x in 24h*/
char corrected_err_timed_period[DATA_MAX_NAME_LEN];
int uncorrected_err_total; /* x total*/
int uncorrected_err_timed; /* x in 24h*/
char uncorrected_err_timed_period[DATA_MAX_NAME_LEN];
+ char location[DATA_MAX_NAME_LEN]; /* SOCKET x CHANNEL x DIMM x*/
+ char dimm_name[DATA_MAX_NAME_LEN]; /* DMI_NAME "DIMM_F1" */
} mcelog_memory_rec_t;
static int socket_close(socket_adapter_t *self);
static int socket_reinit(socket_adapter_t *self);
static int socket_receive(socket_adapter_t *self, FILE **p_file);
-static mcelog_config_t g_mcelog_config = {
- .logfile = "/var/log/mcelog", .tid = 0,
-};
+static mcelog_config_t g_mcelog_config = {.logfile = "/var/log/mcelog"};
static socket_adapter_t socket_adapter = {
.sock_fd = -1,
.receive = socket_receive,
};
-static _Bool mcelog_thread_running = 0;
+static _Bool mcelog_thread_running;
static int mcelog_config(oconfig_item_t *ci) {
for (int i = 0; i < ci->children_num; i++) {
if (cf_util_get_string_buffer(child, socket_adapter.unix_sock.sun_path,
sizeof(socket_adapter.unix_sock.sun_path)) <
0) {
- ERROR("%s: Invalid configuration option: \"%s\".", MCELOG_PLUGIN,
+ ERROR(MCELOG_PLUGIN ": Invalid configuration option: \"%s\".",
child->key);
return -1;
}
} else if (strcasecmp("McelogLogfile", child->key) == 0) {
if (cf_util_get_string_buffer(child, g_mcelog_config.logfile,
sizeof(g_mcelog_config.logfile)) < 0) {
- ERROR("%s: Invalid configuration option: \"%s\".", MCELOG_PLUGIN,
+ ERROR(MCELOG_PLUGIN ": Invalid configuration option: \"%s\".",
child->key);
return -1;
}
} else {
- ERROR("%s: Invalid configuration option: \"%s\".", MCELOG_PLUGIN,
+ ERROR(MCELOG_PLUGIN ": Invalid configuration option: \"%s\".",
child->key);
return -1;
}
}
- return (0);
+ return 0;
}
static int socket_close(socket_adapter_t *self) {
int ret = 0;
pthread_rwlock_rdlock(&self->lock);
if (fcntl(self->sock_fd, F_GETFL) != -1) {
+ char errbuf[MCELOG_BUFF_SIZE];
if (shutdown(self->sock_fd, SHUT_RDWR) != 0) {
- char errbuf[MCELOG_BUFF_SIZE];
- ERROR("%s: Socket shutdown failed: %s", MCELOG_PLUGIN,
+ ERROR(MCELOG_PLUGIN ": Socket shutdown failed: %s",
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ ret = -1;
+ }
+ if (close(self->sock_fd) != 0) {
+ ERROR(MCELOG_PLUGIN ": Socket close failed: %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
ret = -1;
}
- close(self->sock_fd);
}
pthread_rwlock_unlock(&self->lock);
return ret;
return ret;
}
+static void mcelog_dispatch_notification(notification_t *n) {
+ if (!n) {
+ ERROR(MCELOG_PLUGIN ": %s: NULL pointer", __FUNCTION__);
+ return;
+ }
+
+ sstrncpy(n->host, hostname_g, sizeof(n->host));
+ sstrncpy(n->type, "gauge", sizeof(n->type));
+ plugin_dispatch_notification(n);
+ if (n->meta)
+ plugin_notification_meta_free(n->meta);
+}
+
static int socket_reinit(socket_adapter_t *self) {
char errbuff[MCELOG_BUFF_SIZE];
int ret = -1;
/* synchronization via write lock since sock_fd may be changed here */
pthread_rwlock_wrlock(&self->lock);
- self->sock_fd = socket(PF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+ self->sock_fd =
+ socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0);
if (self->sock_fd < 0) {
- ERROR("%s: Could not create a socket. %s", MCELOG_PLUGIN,
+ ERROR(MCELOG_PLUGIN ": Could not create a socket. %s",
sstrerror(errno, errbuff, sizeof(errbuff)));
pthread_rwlock_unlock(&self->lock);
return ret;
}
/* Set socket timeout option */
- if (setsockopt(self->sock_fd, SOL_SOCKET, SO_SNDTIMEO,
- &socket_timeout, sizeof(socket_timeout)) < 0)
- ERROR("%s: Failed to set the socket timeout option.", MCELOG_PLUGIN);
+ if (setsockopt(self->sock_fd, SOL_SOCKET, SO_SNDTIMEO, &socket_timeout,
+ sizeof(socket_timeout)) < 0)
+ ERROR(MCELOG_PLUGIN ": Failed to set the socket timeout option.");
/* downgrading to read lock due to possible recursive read locks
* in self->close(self) call */
pthread_rwlock_rdlock(&self->lock);
if (connect(self->sock_fd, (struct sockaddr *)&(self->unix_sock),
sizeof(self->unix_sock)) < 0) {
- ERROR("%s: Failed to connect to mcelog server. %s", MCELOG_PLUGIN,
+ ERROR(MCELOG_PLUGIN ": Failed to connect to mcelog server. %s",
sstrerror(errno, errbuff, sizeof(errbuff)));
self->close(self);
ret = -1;
- } else
+ } else {
ret = 0;
-
+ mcelog_dispatch_notification(
+ &(notification_t){.severity = NOTIF_OKAY,
+ .time = cdtime(),
+ .message = "Connected to mcelog server",
+ .plugin = MCELOG_PLUGIN,
+ .type_instance = "mcelog_status"});
+ }
pthread_rwlock_unlock(&self->lock);
return ret;
}
-static void mcelog_dispatch_notification(notification_t n) {
- sstrncpy(n.host, hostname_g, sizeof(n.host));
- sstrncpy(n.type, "gauge", sizeof(n.type));
- plugin_dispatch_notification(&n);
-}
-
static int mcelog_prepare_notification(notification_t *n,
- mcelog_memory_rec_t mr) {
- if (n == NULL)
- return (-1);
-
- if (plugin_notification_meta_add_string(n, MCELOG_SOCKET_STR, mr.location) <
- 0) {
- ERROR("%s: add memory location meta data failed", MCELOG_PLUGIN);
- return (-1);
+ const mcelog_memory_rec_t *mr) {
+ if (n == NULL || mr == NULL)
+ return -1;
+
+ if ((mr->location[0] != '\0') &&
+ (plugin_notification_meta_add_string(n, MCELOG_SOCKET_STR, mr->location) <
+ 0)) {
+ ERROR(MCELOG_PLUGIN ": add memory location meta data failed");
+ return -1;
+ }
+ if ((mr->dimm_name[0] != '\0') &&
+ (plugin_notification_meta_add_string(n, MCELOG_DIMM_NAME, mr->dimm_name) <
+ 0)) {
+ ERROR(MCELOG_PLUGIN ": add DIMM name meta data failed");
+ plugin_notification_meta_free(n->meta);
+ return -1;
}
- if (strlen(mr.dimm_name) > 0)
- if (plugin_notification_meta_add_string(n, MCELOG_DIMM_NAME, mr.dimm_name) <
- 0) {
- ERROR("%s: add DIMM name meta data failed", MCELOG_PLUGIN);
- return (-1);
- }
if (plugin_notification_meta_add_signed_int(n, MCELOG_CORRECTED_ERR,
- mr.corrected_err_total) < 0) {
- ERROR("%s: add corrected errors meta data failed", MCELOG_PLUGIN);
- return (-1);
+ mr->corrected_err_total) < 0) {
+ ERROR(MCELOG_PLUGIN ": add corrected errors meta data failed");
+ plugin_notification_meta_free(n->meta);
+ return -1;
}
if (plugin_notification_meta_add_signed_int(
- n, "corrected memory timed errors", mr.corrected_err_timed) < 0) {
- ERROR("%s: add corrected timed errors meta data failed", MCELOG_PLUGIN);
- return (-1);
+ n, "corrected memory timed errors", mr->corrected_err_timed) < 0) {
+ ERROR(MCELOG_PLUGIN ": add corrected timed errors meta data failed");
+ plugin_notification_meta_free(n->meta);
+ return -1;
}
- if (plugin_notification_meta_add_string(n, "corrected errors time period",
- mr.corrected_err_timed_period) < 0) {
- ERROR("%s: add corrected errors period meta data failed", MCELOG_PLUGIN);
- return (-1);
+ if ((mr->corrected_err_timed_period[0] != '\0') &&
+ (plugin_notification_meta_add_string(n, "corrected errors time period",
+ mr->corrected_err_timed_period) <
+ 0)) {
+ ERROR(MCELOG_PLUGIN ": add corrected errors period meta data failed");
+ plugin_notification_meta_free(n->meta);
+ return -1;
}
if (plugin_notification_meta_add_signed_int(n, MCELOG_UNCORRECTED_ERR,
- mr.uncorrected_err_total) < 0) {
- ERROR("%s: add corrected errors meta data failed", MCELOG_PLUGIN);
- return (-1);
+ mr->uncorrected_err_total) < 0) {
+ ERROR(MCELOG_PLUGIN ": add corrected errors meta data failed");
+ plugin_notification_meta_free(n->meta);
+ return -1;
}
- if (plugin_notification_meta_add_signed_int(
- n, "uncorrected memory timed errors", mr.uncorrected_err_timed) < 0) {
- ERROR("%s: add corrected timed errors meta data failed", MCELOG_PLUGIN);
- return (-1);
+ if (plugin_notification_meta_add_signed_int(n,
+ "uncorrected memory timed errors",
+ mr->uncorrected_err_timed) < 0) {
+ ERROR(MCELOG_PLUGIN ": add corrected timed errors meta data failed");
+ plugin_notification_meta_free(n->meta);
+ return -1;
}
- if (plugin_notification_meta_add_string(n, "uncorrected errors time period",
- mr.uncorrected_err_timed_period) <
- 0) {
- ERROR("%s: add corrected errors period meta data failed", MCELOG_PLUGIN);
- return (-1);
+ if ((mr->uncorrected_err_timed_period[0] != '\0') &&
+ (plugin_notification_meta_add_string(n, "uncorrected errors time period",
+ mr->uncorrected_err_timed_period) <
+ 0)) {
+ ERROR(MCELOG_PLUGIN ": add corrected errors period meta data failed");
+ plugin_notification_meta_free(n->meta);
+ return -1;
}
- return (0);
+ return 0;
}
-static int mcelog_submit(mcelog_memory_rec_t mr) {
+static int mcelog_submit(const mcelog_memory_rec_t *mr) {
- value_list_t vl = VALUE_LIST_INIT;
- vl.values_len = 1;
- vl.time = cdtime();
+ if (!mr) {
+ ERROR(MCELOG_PLUGIN ": %s: NULL pointer", __FUNCTION__);
+ return -1;
+ }
- sstrncpy(vl.plugin, MCELOG_PLUGIN, sizeof(vl.plugin));
- sstrncpy(vl.type, "errors", sizeof(vl.type));
- if (strlen(mr.dimm_name) > 0) {
- ssnprintf(vl.plugin_instance, sizeof(vl.plugin_instance), "%s_%s",
- mr.location, mr.dimm_name);
- } else
- sstrncpy(vl.plugin_instance, mr.location, sizeof(vl.plugin_instance));
+ value_list_t vl = {
+ .values_len = 1,
+ .values = &(value_t){.derive = (derive_t)mr->corrected_err_total},
+ .time = cdtime(),
+ .plugin = MCELOG_PLUGIN,
+ .type = "errors",
+ .type_instance = "corrected_memory_errors"};
+
+ if (mr->dimm_name[0] != '\0')
+ snprintf(vl.plugin_instance, sizeof(vl.plugin_instance), "%s_%s",
+ mr->location, mr->dimm_name);
+ else
+ sstrncpy(vl.plugin_instance, mr->location, sizeof(vl.plugin_instance));
- sstrncpy(vl.type_instance, "corrected_memory_errors",
- sizeof(vl.type_instance));
- vl.values = &(value_t){.derive = (derive_t)mr.corrected_err_total};
plugin_dispatch_values(&vl);
- ssnprintf(vl.type_instance, sizeof(vl.type_instance),
- "corrected_memory_errors_in_%s", mr.corrected_err_timed_period);
- vl.values = &(value_t){.derive = (derive_t)mr.corrected_err_timed};
+ snprintf(vl.type_instance, sizeof(vl.type_instance),
+ "corrected_memory_errors_in_%s", mr->corrected_err_timed_period);
+ vl.values = &(value_t){.derive = (derive_t)mr->corrected_err_timed};
plugin_dispatch_values(&vl);
sstrncpy(vl.type_instance, "uncorrected_memory_errors",
sizeof(vl.type_instance));
- vl.values = &(value_t){.derive = (derive_t)mr.uncorrected_err_total};
+ vl.values = &(value_t){.derive = (derive_t)mr->uncorrected_err_total};
plugin_dispatch_values(&vl);
- ssnprintf(vl.type_instance, sizeof(vl.type_instance),
- "uncorrected_memory_errors_in_%s", mr.uncorrected_err_timed_period);
- vl.values = &(value_t){.derive = (derive_t)mr.uncorrected_err_timed};
+ snprintf(vl.type_instance, sizeof(vl.type_instance),
+ "uncorrected_memory_errors_in_%s", mr->uncorrected_err_timed_period);
+ vl.values = &(value_t){.derive = (derive_t)mr->uncorrected_err_timed};
plugin_dispatch_values(&vl);
return 0;
for (size_t i = 0; i < strlen(memory_record->location); i++)
if (memory_record->location[i] == ' ')
memory_record->location[i] = '_';
- DEBUG("%s: Got SOCKET INFO %s", MCELOG_PLUGIN, memory_record->location);
+ DEBUG(MCELOG_PLUGIN ": Got SOCKET INFO %s", memory_record->location);
}
if (!strncmp(buf, MCELOG_DIMM_NAME, strlen(MCELOG_DIMM_NAME))) {
char *name = NULL;
if (name != NULL) {
sstrncpy(memory_record->dimm_name, name,
sizeof(memory_record->dimm_name));
- DEBUG("%s: Got DIMM NAME %s", MCELOG_PLUGIN,
- memory_record->dimm_name);
+ DEBUG(MCELOG_PLUGIN ": Got DIMM NAME %s", memory_record->dimm_name);
}
}
}
/* Get next line*/
if (fgets(buf, sizeof(buf), p_file) != NULL) {
sscanf(buf, "\t%d total", &(memory_record->corrected_err_total));
- DEBUG("%s: Got corrected error total %d", MCELOG_PLUGIN,
+ DEBUG(MCELOG_PLUGIN ": Got corrected error total %d",
memory_record->corrected_err_total);
}
if (fgets(buf, sizeof(buf), p_file) != NULL) {
sscanf(buf, "\t%d in %s", &(memory_record->corrected_err_timed),
memory_record->corrected_err_timed_period);
- DEBUG("%s: Got timed corrected errors %d in %s", MCELOG_PLUGIN,
+ DEBUG(MCELOG_PLUGIN ": Got timed corrected errors %d in %s",
memory_record->corrected_err_total,
memory_record->corrected_err_timed_period);
}
if (!strncmp(buf, MCELOG_UNCORRECTED_ERR, strlen(MCELOG_UNCORRECTED_ERR))) {
if (fgets(buf, sizeof(buf), p_file) != NULL) {
sscanf(buf, "\t%d total", &(memory_record->uncorrected_err_total));
- DEBUG("%s: Got uncorrected error total %d", MCELOG_PLUGIN,
+ DEBUG(MCELOG_PLUGIN ": Got uncorrected error total %d",
memory_record->uncorrected_err_total);
}
if (fgets(buf, sizeof(buf), p_file) != NULL) {
sscanf(buf, "\t%d in %s", &(memory_record->uncorrected_err_timed),
memory_record->uncorrected_err_timed_period);
- DEBUG("%s: Got timed uncorrected errors %d in %s", MCELOG_PLUGIN,
+ DEBUG(MCELOG_PLUGIN ": Got timed uncorrected errors %d in %s",
memory_record->uncorrected_err_total,
memory_record->uncorrected_err_timed_period);
}
if (poll_fd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
/* connection is broken */
- ERROR("%s: Connection to socket is broken", MCELOG_PLUGIN);
+ ERROR(MCELOG_PLUGIN ": Connection to socket is broken");
if (poll_fd.revents & (POLLERR | POLLHUP)) {
- notification_t n = {
- NOTIF_FAILURE, cdtime(), "", "", MCELOG_PLUGIN, "", "", "", NULL};
- ssnprintf(n.message, sizeof(n.message),
- "Connection to mcelog socket is broken.");
- sstrncpy(n.type_instance, "mcelog_status", sizeof(n.type_instance));
- mcelog_dispatch_notification(n);
+ mcelog_dispatch_notification(
+ &(notification_t){.severity = NOTIF_FAILURE,
+ .time = cdtime(),
+ .message = "Connection to mcelog socket is broken.",
+ .plugin = MCELOG_PLUGIN,
+ .type_instance = "mcelog_status"});
}
pthread_rwlock_unlock(&self->lock);
return -1;
}
if (!(poll_fd.revents & (POLLIN | POLLPRI))) {
- INFO("%s: No data to read", MCELOG_PLUGIN);
+ INFO(MCELOG_PLUGIN ": No data to read");
pthread_rwlock_unlock(&self->lock);
return 0;
}
pthread_cleanup_push(poll_worker_cleanup, pp_file);
while (1) {
- int res = 0;
/* blocking call */
- res = socket_adapter.receive(&socket_adapter, pp_file);
+ int res = socket_adapter.receive(&socket_adapter, pp_file);
if (res < 0) {
socket_adapter.close(&socket_adapter);
- if (socket_adapter.reinit(&socket_adapter) != 0) {
- socket_adapter.close(&socket_adapter);
- usleep(MCELOG_POLL_TIMEOUT);
+ while (socket_adapter.reinit(&socket_adapter) != 0) {
+ nanosleep(&CDTIME_T_TO_TIMESPEC(MS_TO_CDTIME_T(MCELOG_POLL_TIMEOUT)),
+ NULL);
}
continue;
}
mcelog_memory_rec_t memory_record = {0};
while (parse_memory_info(*pp_file, &memory_record)) {
- notification_t n = {NOTIF_OKAY, cdtime(), "", "", MCELOG_PLUGIN,
- "", "", "", NULL};
- ssnprintf(n.message, sizeof(n.message), "Got memory errors info.");
- sstrncpy(n.type_instance, "memory_erros", sizeof(n.type_instance));
- if (mcelog_prepare_notification(&n, memory_record) == 0)
- mcelog_dispatch_notification(n);
- if (mcelog_submit(memory_record) != 0)
- ERROR("%s: Failed to submit memory errors", MCELOG_PLUGIN);
+ /* Check if location was successfully parsed */
+ if (memory_record.location[0] == '\0') {
+ memset(&memory_record, 0, sizeof(memory_record));
+ continue;
+ }
+
+ notification_t n = {.severity = NOTIF_OKAY,
+ .time = cdtime(),
+ .message = "Got memory errors info.",
+ .plugin = MCELOG_PLUGIN,
+ .type_instance = "memory_erros"};
+
+ if (mcelog_prepare_notification(&n, &memory_record) == 0)
+ mcelog_dispatch_notification(&n);
+ if (mcelog_submit(&memory_record) != 0)
+ ERROR(MCELOG_PLUGIN ": Failed to submit memory errors");
memset(&memory_record, 0, sizeof(memory_record));
}
static int mcelog_init(void) {
if (socket_adapter.reinit(&socket_adapter) != 0) {
- ERROR("%s: Cannot connect to client socket", MCELOG_PLUGIN);
+ ERROR(MCELOG_PLUGIN ": Cannot connect to client socket");
return -1;
}
if (plugin_thread_create(&g_mcelog_config.tid, NULL, poll_worker, NULL,
NULL) != 0) {
- ERROR("%s: Error creating poll thread.", MCELOG_PLUGIN);
+ ERROR(MCELOG_PLUGIN ": Error creating poll thread.");
return -1;
}
return 0;
static const char dump[] = "dump all bios\n";
int ret = socket_adapter.write(&socket_adapter, dump, sizeof(dump));
if (ret != 0)
- ERROR("%s: SENT DUMP REQUEST FAILED", MCELOG_PLUGIN);
+ ERROR(MCELOG_PLUGIN ": SENT DUMP REQUEST FAILED");
else
- DEBUG("%s: SENT DUMP REQUEST OK", MCELOG_PLUGIN);
+ DEBUG(MCELOG_PLUGIN ": SENT DUMP REQUEST OK");
return ret;
}
static int mcelog_read(__attribute__((unused)) user_data_t *ud) {
- DEBUG("%s: %s", MCELOG_PLUGIN, __FUNCTION__);
+ DEBUG(MCELOG_PLUGIN ": %s", __FUNCTION__);
if (get_memory_machine_checks() != 0)
- ERROR("%s: MACHINE CHECK INFO NOT AVAILABLE", MCELOG_PLUGIN);
+ ERROR(MCELOG_PLUGIN ": MACHINE CHECK INFO NOT AVAILABLE");
return 0;
}
if (mcelog_thread_running) {
pthread_cancel(g_mcelog_config.tid);
if (pthread_join(g_mcelog_config.tid, NULL) != 0) {
- ERROR("%s: Stopping thread failed.", MCELOG_PLUGIN);
+ ERROR(MCELOG_PLUGIN ": Stopping thread failed.");
ret = -1;
}
}