#define PROCDIR "/proc/virtual"
#if !KERNEL_LINUX
-# error "No applicable input method."
+#error "No applicable input method."
#endif
static int pagesize = 0;
-static int vserver_init (void)
-{
- /* XXX Should we check for getpagesize () in configure?
- * What's the right thing to do, if there is no getpagesize ()? */
- pagesize = getpagesize ();
+static int vserver_init(void) {
+ /* XXX Should we check for getpagesize () in configure?
+ * What's the right thing to do, if there is no getpagesize ()? */
+ pagesize = getpagesize();
- return (0);
+ return 0;
} /* static void vserver_init(void) */
-static void traffic_submit (const char *plugin_instance,
- const char *type_instance, derive_t rx, derive_t tx)
-{
- value_list_t vl = VALUE_LIST_INIT;
- value_t values[] = {
- { .derive = rx },
- { .derive = tx },
- };
-
- vl.values = values;
- vl.values_len = STATIC_ARRAY_SIZE (values);
- sstrncpy (vl.plugin, "vserver", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
- sstrncpy (vl.type, "if_octets", sizeof (vl.type));
- sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
-
- plugin_dispatch_values (&vl);
+static void traffic_submit(const char *plugin_instance,
+ const char *type_instance, derive_t rx,
+ derive_t tx) {
+ value_list_t vl = VALUE_LIST_INIT;
+ value_t values[] = {
+ {.derive = rx}, {.derive = tx},
+ };
+
+ vl.values = values;
+ vl.values_len = STATIC_ARRAY_SIZE(values);
+ sstrncpy(vl.plugin, "vserver", sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, "if_octets", sizeof(vl.type));
+ sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
+
+ plugin_dispatch_values(&vl);
} /* void traffic_submit */
-static void load_submit (const char *plugin_instance,
- gauge_t snum, gauge_t mnum, gauge_t lnum)
-{
- value_list_t vl = VALUE_LIST_INIT;
- value_t values[] = {
- { .gauge = snum },
- { .gauge = mnum },
- { .gauge = lnum },
- };
-
- vl.values = values;
- vl.values_len = STATIC_ARRAY_SIZE (values);
- sstrncpy (vl.plugin, "vserver", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
- sstrncpy (vl.type, "load", sizeof (vl.type));
-
- plugin_dispatch_values (&vl);
+static void load_submit(const char *plugin_instance, gauge_t snum, gauge_t mnum,
+ gauge_t lnum) {
+ value_list_t vl = VALUE_LIST_INIT;
+ value_t values[] = {
+ {.gauge = snum}, {.gauge = mnum}, {.gauge = lnum},
+ };
+
+ vl.values = values;
+ vl.values_len = STATIC_ARRAY_SIZE(values);
+ sstrncpy(vl.plugin, "vserver", sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, "load", sizeof(vl.type));
+
+ plugin_dispatch_values(&vl);
}
-static void submit_gauge (const char *plugin_instance, const char *type,
- const char *type_instance, gauge_t value)
+static void submit_gauge(const char *plugin_instance, const char *type,
+ const char *type_instance, gauge_t value)
{
- value_list_t vl = VALUE_LIST_INIT;
+ value_list_t vl = VALUE_LIST_INIT;
- vl.values = &(value_t) { .gauge = value };
- vl.values_len = 1;
- sstrncpy (vl.plugin, "vserver", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
- sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
+ vl.values = &(value_t){.gauge = value};
+ vl.values_len = 1;
+ sstrncpy(vl.plugin, "vserver", sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, type, sizeof(vl.type));
+ sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
- plugin_dispatch_values (&vl);
+ plugin_dispatch_values(&vl);
} /* void submit_gauge */
-static derive_t vserver_get_sock_bytes(const char *s)
-{
- value_t v;
- int status;
+static derive_t vserver_get_sock_bytes(const char *s) {
+ value_t v;
+ int status;
- while (s[0] != '/')
- ++s;
+ while (s[0] != '/')
+ ++s;
- /* Remove '/' */
- ++s;
+ /* Remove '/' */
+ ++s;
- status = parse_value (s, &v, DS_TYPE_DERIVE);
- if (status != 0)
- return (-1);
- return (v.derive);
+ status = parse_value(s, &v, DS_TYPE_DERIVE);
+ if (status != 0)
+ return -1;
+ return v.derive;
}
-static int vserver_read (void)
-{
- DIR *proc;
-
- errno = 0;
- proc = opendir (PROCDIR);
- if (proc == NULL)
- {
- char errbuf[1024];
- ERROR ("vserver plugin: fopen (%s): %s", PROCDIR,
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return (-1);
- }
-
- while (42)
- {
- struct dirent *dent;
- int len;
- char file[BUFSIZE];
-
- FILE *fh;
- char buffer[BUFSIZE];
-
- struct stat statbuf;
- char *cols[4];
-
- int status;
-
- errno = 0;
- dent = readdir (proc);
- if (dent == NULL)
- {
- char errbuf[4096];
-
- if (errno == 0) /* end of directory */
- break;
-
- ERROR ("vserver plugin: failed to read directory %s: %s",
- PROCDIR, sstrerror (errno, errbuf, sizeof (errbuf)));
- closedir (proc);
- return (-1);
- }
-
- if (dent->d_name[0] == '.')
- continue;
-
- len = ssnprintf (file, sizeof (file), PROCDIR "/%s", dent->d_name);
- if ((len < 0) || (len >= BUFSIZE))
- continue;
-
- status = stat (file, &statbuf);
- if (status != 0)
- {
- char errbuf[4096];
- WARNING ("vserver plugin: stat (%s) failed: %s",
- file, sstrerror (errno, errbuf, sizeof (errbuf)));
- continue;
- }
-
- if (!S_ISDIR (statbuf.st_mode))
- continue;
-
- /* socket message accounting */
- len = ssnprintf (file, sizeof (file),
- PROCDIR "/%s/cacct", dent->d_name);
- if ((len < 0) || ((size_t) len >= sizeof (file)))
- continue;
-
- if (NULL == (fh = fopen (file, "r")))
- {
- char errbuf[1024];
- ERROR ("Cannot open '%s': %s", file,
- sstrerror (errno, errbuf, sizeof (errbuf)));
- }
-
- while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh)))
- {
- derive_t rx;
- derive_t tx;
- const char *type_instance;
-
- if (strsplit (buffer, cols, 4) < 4)
- continue;
-
- if (0 == strcmp (cols[0], "UNIX:"))
- type_instance = "unix";
- else if (0 == strcmp (cols[0], "INET:"))
- type_instance = "inet";
- else if (0 == strcmp (cols[0], "INET6:"))
- type_instance = "inet6";
- else if (0 == strcmp (cols[0], "OTHER:"))
- type_instance = "other";
- else if (0 == strcmp (cols[0], "UNSPEC:"))
- type_instance = "unspec";
- else
- continue;
-
- rx = vserver_get_sock_bytes (cols[1]);
- tx = vserver_get_sock_bytes (cols[2]);
- /* cols[3] == errors */
-
- traffic_submit (dent->d_name, type_instance, rx, tx);
- } /* while (fgets) */
-
- if (fh != NULL)
- {
- fclose (fh);
- fh = NULL;
- }
-
- /* thread information and load */
- len = ssnprintf (file, sizeof (file),
- PROCDIR "/%s/cvirt", dent->d_name);
- if ((len < 0) || ((size_t) len >= sizeof (file)))
- continue;
-
- if (NULL == (fh = fopen (file, "r")))
- {
- char errbuf[1024];
- ERROR ("Cannot open '%s': %s", file,
- sstrerror (errno, errbuf, sizeof (errbuf)));
- }
-
- while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh)))
- {
- int n = strsplit (buffer, cols, 4);
-
- if (2 == n)
- {
- const char *type_instance;
- gauge_t value;
-
- if (0 == strcmp (cols[0], "nr_threads:"))
- type_instance = "total";
- else if (0 == strcmp (cols[0], "nr_running:"))
- type_instance = "running";
- else if (0 == strcmp (cols[0], "nr_unintr:"))
- type_instance = "uninterruptable";
- else if (0 == strcmp (cols[0], "nr_onhold:"))
- type_instance = "onhold";
- else
- continue;
-
- value = atof (cols[1]);
- submit_gauge (dent->d_name, "vs_threads", type_instance, value);
- }
- else if (4 == n) {
- if (0 == strcmp (cols[0], "loadavg:"))
- {
- gauge_t snum = atof (cols[1]);
- gauge_t mnum = atof (cols[2]);
- gauge_t lnum = atof (cols[3]);
- load_submit (dent->d_name, snum, mnum, lnum);
- }
- }
- } /* while (fgets) */
-
- if (fh != NULL)
- {
- fclose (fh);
- fh = NULL;
- }
-
- /* processes and memory usage */
- len = ssnprintf (file, sizeof (file),
- PROCDIR "/%s/limit", dent->d_name);
- if ((len < 0) || ((size_t) len >= sizeof (file)))
- continue;
-
- if (NULL == (fh = fopen (file, "r")))
- {
- char errbuf[1024];
- ERROR ("Cannot open '%s': %s", file,
- sstrerror (errno, errbuf, sizeof (errbuf)));
- }
-
- while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh)))
- {
- const char *type = "vs_memory";
- const char *type_instance;
- gauge_t value;
-
- if (strsplit (buffer, cols, 2) < 2)
- continue;
-
- if (0 == strcmp (cols[0], "PROC:"))
- {
- type = "vs_processes";
- type_instance = "";
- value = atof (cols[1]);
- }
- else
- {
- if (0 == strcmp (cols[0], "VM:"))
- type_instance = "vm";
- else if (0 == strcmp (cols[0], "VML:"))
- type_instance = "vml";
- else if (0 == strcmp (cols[0], "RSS:"))
- type_instance = "rss";
- else if (0 == strcmp (cols[0], "ANON:"))
- type_instance = "anon";
- else
- continue;
-
- value = atof (cols[1]) * pagesize;
- }
-
- submit_gauge (dent->d_name, type, type_instance, value);
- } /* while (fgets) */
-
- if (fh != NULL)
- {
- fclose (fh);
- fh = NULL;
- }
- } /* while (readdir) */
-
- closedir (proc);
-
- return (0);
+static int vserver_read(void) {
+ DIR *proc;
+
+ errno = 0;
+ proc = opendir(PROCDIR);
+ if (proc == NULL) {
+ char errbuf[1024];
+ ERROR("vserver plugin: fopen (%s): %s", PROCDIR,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ return -1;
+ }
+
+ while (42) {
+ struct dirent *dent;
+ int len;
+ char file[BUFSIZE];
+
+ FILE *fh;
+ char buffer[BUFSIZE];
+
+ struct stat statbuf;
+ char *cols[4];
+
+ int status;
+
+ errno = 0;
+ dent = readdir(proc);
+ if (dent == NULL) {
+ char errbuf[4096];
+
+ if (errno == 0) /* end of directory */
+ break;
+
+ ERROR("vserver plugin: failed to read directory %s: %s", PROCDIR,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ closedir(proc);
+ return -1;
+ }
+
+ if (dent->d_name[0] == '.')
+ continue;
+
+ len = snprintf(file, sizeof(file), PROCDIR "/%s", dent->d_name);
+ if ((len < 0) || (len >= BUFSIZE))
+ continue;
+
+ status = stat(file, &statbuf);
+ if (status != 0) {
+ char errbuf[4096];
+ WARNING("vserver plugin: stat (%s) failed: %s", file,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ continue;
+ }
+
+ if (!S_ISDIR(statbuf.st_mode))
+ continue;
+
+ /* socket message accounting */
+ len = snprintf(file, sizeof(file), PROCDIR "/%s/cacct", dent->d_name);
+ if ((len < 0) || ((size_t)len >= sizeof(file)))
+ continue;
+
+ if (NULL == (fh = fopen(file, "r"))) {
+ char errbuf[1024];
+ ERROR("Cannot open '%s': %s", file,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ }
+
+ while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) {
+ derive_t rx;
+ derive_t tx;
+ const char *type_instance;
+
+ if (strsplit(buffer, cols, 4) < 4)
+ continue;
+
+ if (0 == strcmp(cols[0], "UNIX:"))
+ type_instance = "unix";
+ else if (0 == strcmp(cols[0], "INET:"))
+ type_instance = "inet";
+ else if (0 == strcmp(cols[0], "INET6:"))
+ type_instance = "inet6";
+ else if (0 == strcmp(cols[0], "OTHER:"))
+ type_instance = "other";
+ else if (0 == strcmp(cols[0], "UNSPEC:"))
+ type_instance = "unspec";
+ else
+ continue;
+
+ rx = vserver_get_sock_bytes(cols[1]);
+ tx = vserver_get_sock_bytes(cols[2]);
+ /* cols[3] == errors */
+
+ traffic_submit(dent->d_name, type_instance, rx, tx);
+ } /* while (fgets) */
+
+ if (fh != NULL) {
+ fclose(fh);
+ fh = NULL;
+ }
+
+ /* thread information and load */
+ len = snprintf(file, sizeof(file), PROCDIR "/%s/cvirt", dent->d_name);
+ if ((len < 0) || ((size_t)len >= sizeof(file)))
+ continue;
+
+ if (NULL == (fh = fopen(file, "r"))) {
+ char errbuf[1024];
+ ERROR("Cannot open '%s': %s", file,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ }
+
+ while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) {
+ int n = strsplit(buffer, cols, 4);
+
+ if (2 == n) {
+ const char *type_instance;
+ gauge_t value;
+
+ if (0 == strcmp(cols[0], "nr_threads:"))
+ type_instance = "total";
+ else if (0 == strcmp(cols[0], "nr_running:"))
+ type_instance = "running";
+ else if (0 == strcmp(cols[0], "nr_unintr:"))
+ type_instance = "uninterruptable";
+ else if (0 == strcmp(cols[0], "nr_onhold:"))
+ type_instance = "onhold";
+ else
+ continue;
+
+ value = atof(cols[1]);
+ submit_gauge(dent->d_name, "vs_threads", type_instance, value);
+ } else if (4 == n) {
+ if (0 == strcmp(cols[0], "loadavg:")) {
+ gauge_t snum = atof(cols[1]);
+ gauge_t mnum = atof(cols[2]);
+ gauge_t lnum = atof(cols[3]);
+ load_submit(dent->d_name, snum, mnum, lnum);
+ }
+ }
+ } /* while (fgets) */
+
+ if (fh != NULL) {
+ fclose(fh);
+ fh = NULL;
+ }
+
+ /* processes and memory usage */
+ len = snprintf(file, sizeof(file), PROCDIR "/%s/limit", dent->d_name);
+ if ((len < 0) || ((size_t)len >= sizeof(file)))
+ continue;
+
+ if (NULL == (fh = fopen(file, "r"))) {
+ char errbuf[1024];
+ ERROR("Cannot open '%s': %s", file,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ }
+
+ while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) {
+ const char *type = "vs_memory";
+ const char *type_instance;
+ gauge_t value;
+
+ if (strsplit(buffer, cols, 2) < 2)
+ continue;
+
+ if (0 == strcmp(cols[0], "PROC:")) {
+ type = "vs_processes";
+ type_instance = "";
+ value = atof(cols[1]);
+ } else {
+ if (0 == strcmp(cols[0], "VM:"))
+ type_instance = "vm";
+ else if (0 == strcmp(cols[0], "VML:"))
+ type_instance = "vml";
+ else if (0 == strcmp(cols[0], "RSS:"))
+ type_instance = "rss";
+ else if (0 == strcmp(cols[0], "ANON:"))
+ type_instance = "anon";
+ else
+ continue;
+
+ value = atof(cols[1]) * pagesize;
+ }
+
+ submit_gauge(dent->d_name, type, type_instance, value);
+ } /* while (fgets) */
+
+ if (fh != NULL) {
+ fclose(fh);
+ fh = NULL;
+ }
+ } /* while (readdir) */
+
+ closedir(proc);
+
+ return 0;
} /* int vserver_read */
-void module_register (void)
-{
- plugin_register_init ("vserver", vserver_init);
- plugin_register_read ("vserver", vserver_read);
+void module_register(void) {
+ plugin_register_init("vserver", vserver_init);
+ plugin_register_read("vserver", vserver_read);
} /* void module_register(void) */
-
-/* vim: set ts=4 sw=4 noexpandtab : */
projects / collectd.git / blobdiff