#include "plugin.h"
#include <netdb.h>
-#include <sys/un.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
+#include <sys/un.h>
#define ZOOKEEPER_DEF_HOST "127.0.0.1"
#define ZOOKEEPER_DEF_PORT "2181"
static char *zk_host = NULL;
static char *zk_port = NULL;
-static const char *config_keys[] =
-{
- "Host",
- "Port"
-};
-static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
-
-static int zookeeper_config(const char *key, const char *value)
-{
- if (strncmp(key, "Host", strlen("Host")) == 0)
- {
- sfree (zk_host);
- zk_host = strdup (value);
- }
- else if (strncmp(key, "Port", strlen("Port")) == 0)
- {
- sfree (zk_port);
- zk_port = strdup (value);
- }
- else
- {
- return -1;
- }
- return 0;
+static const char *config_keys[] = {"Host", "Port"};
+static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
+
+static int zookeeper_config(const char *key, const char *value) {
+ if (strncmp(key, "Host", strlen("Host")) == 0) {
+ sfree(zk_host);
+ zk_host = strdup(value);
+ } else if (strncmp(key, "Port", strlen("Port")) == 0) {
+ sfree(zk_port);
+ zk_port = strdup(value);
+ } else {
+ return -1;
+ }
+ return 0;
}
-static void zookeeper_submit_gauge (const char * type, const char * type_inst, gauge_t value)
-{
- value_list_t vl = VALUE_LIST_INIT;
+static void zookeeper_submit_gauge(const char *type, const char *type_inst,
+ gauge_t value) {
+ value_list_t vl = VALUE_LIST_INIT;
- vl.values = &(value_t) { .gauge = value };
- vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "zookeeper", sizeof (vl.plugin));
- sstrncpy (vl.type, type, sizeof (vl.type));
- if (type_inst != NULL)
- sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
+ vl.values = &(value_t){.gauge = value};
+ vl.values_len = 1;
+ sstrncpy(vl.plugin, "zookeeper", sizeof(vl.plugin));
+ sstrncpy(vl.type, type, sizeof(vl.type));
+ if (type_inst != NULL)
+ sstrncpy(vl.type_instance, type_inst, sizeof(vl.type_instance));
- plugin_dispatch_values (&vl);
+ plugin_dispatch_values(&vl);
} /* zookeeper_submit_gauge */
-static void zookeeper_submit_derive (const char * type, const char * type_inst, derive_t value)
-{
- value_list_t vl = VALUE_LIST_INIT;
+static void zookeeper_submit_derive(const char *type, const char *type_inst,
+ derive_t value) {
+ value_list_t vl = VALUE_LIST_INIT;
- vl.values = &(value_t) { .derive = value };
- vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "zookeeper", sizeof (vl.plugin));
- sstrncpy (vl.type, type, sizeof (vl.type));
- if (type_inst != NULL)
- sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
+ vl.values = &(value_t){.derive = value};
+ vl.values_len = 1;
+ sstrncpy(vl.plugin, "zookeeper", sizeof(vl.plugin));
+ sstrncpy(vl.type, type, sizeof(vl.type));
+ if (type_inst != NULL)
+ sstrncpy(vl.type_instance, type_inst, sizeof(vl.type_instance));
- plugin_dispatch_values (&vl);
+ plugin_dispatch_values(&vl);
} /* zookeeper_submit_derive */
-static int zookeeper_connect (void)
-{
- int sk = -1;
- int status;
- struct addrinfo *ai_list;
- const char *host;
- const char *port;
-
- host = (zk_host != NULL) ? zk_host : ZOOKEEPER_DEF_HOST;
- port = (zk_port != NULL) ? zk_port : ZOOKEEPER_DEF_PORT;
-
- struct addrinfo ai_hints = {
- .ai_family = AF_UNSPEC,
- .ai_socktype = SOCK_STREAM
- };
-
- status = getaddrinfo (host, port, &ai_hints, &ai_list);
- if (status != 0)
- {
- char errbuf[1024];
- INFO ("getaddrinfo failed: %s",
- (status == EAI_SYSTEM)
- ? sstrerror (errno, errbuf, sizeof (errbuf))
- : gai_strerror (status));
- return (-1);
- }
-
- for (struct addrinfo *ai = ai_list; ai != NULL; ai = ai->ai_next)
- {
- sk = socket (ai->ai_family, SOCK_STREAM, 0);
- if (sk < 0)
- {
- char errbuf[1024];
- WARNING ("zookeeper: socket(2) failed: %s",
- sstrerror (errno, errbuf, sizeof(errbuf)));
- continue;
- }
- status = (int) connect (sk, ai->ai_addr, ai->ai_addrlen);
- if (status != 0)
- {
- char errbuf[1024];
- close (sk);
- sk = -1;
- WARNING ("zookeeper: connect(2) failed: %s",
- sstrerror (errno, errbuf, sizeof(errbuf)));
- continue;
- }
-
- /* connected */
- break;
- }
-
- freeaddrinfo(ai_list);
- return (sk);
+static int zookeeper_connect(void) {
+ int sk = -1;
+ int status;
+ struct addrinfo *ai_list;
+ const char *host;
+ const char *port;
+
+ host = (zk_host != NULL) ? zk_host : ZOOKEEPER_DEF_HOST;
+ port = (zk_port != NULL) ? zk_port : ZOOKEEPER_DEF_PORT;
+
+ struct addrinfo ai_hints = {.ai_family = AF_UNSPEC,
+ .ai_socktype = SOCK_STREAM};
+
+ status = getaddrinfo(host, port, &ai_hints, &ai_list);
+ if (status != 0) {
+ INFO("getaddrinfo failed: %s",
+ (status == EAI_SYSTEM) ? STRERRNO : gai_strerror(status));
+ return -1;
+ }
+
+ for (struct addrinfo *ai = ai_list; ai != NULL; ai = ai->ai_next) {
+ sk = socket(ai->ai_family, SOCK_STREAM, 0);
+ if (sk < 0) {
+ WARNING("zookeeper: socket(2) failed: %s", STRERRNO);
+ continue;
+ }
+ status = (int)connect(sk, ai->ai_addr, ai->ai_addrlen);
+ if (status != 0) {
+ close(sk);
+ sk = -1;
+ WARNING("zookeeper: connect(2) failed: %s", STRERRNO);
+ continue;
+ }
+
+ /* connected */
+ break;
+ }
+
+ freeaddrinfo(ai_list);
+ return sk;
} /* int zookeeper_connect */
-static int zookeeper_query (char *buffer, size_t buffer_size)
-{
- int sk, status;
- size_t buffer_fill;
-
- sk = zookeeper_connect();
- if (sk < 0)
- {
- ERROR ("zookeeper: Could not connect to daemon");
- return (-1);
- }
-
- status = (int) swrite (sk, "mntr\r\n", strlen("mntr\r\n"));
- if (status != 0)
- {
- char errbuf[1024];
- ERROR ("zookeeper: write(2) failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- close (sk);
- return (-1);
- }
-
- memset (buffer, 0, buffer_size);
- buffer_fill = 0;
-
- while ((status = (int) recv (sk, buffer + buffer_fill,
- buffer_size - buffer_fill, /* flags = */ 0)) != 0)
- {
- if (status < 0)
- {
- char errbuf[1024];
- if ((errno == EAGAIN) || (errno == EINTR))
- continue;
- ERROR ("zookeeper: Error reading from socket: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- close (sk);
- return (-1);
- }
-
- buffer_fill += (size_t) status;
- } /* while (recv) */
-
- status = 0;
- if (buffer_fill == 0)
- {
- WARNING ("zookeeper: No data returned by MNTR command.");
- status = -1;
- }
-
- close(sk);
- return (status);
+static int zookeeper_query(char *buffer, size_t buffer_size) {
+ int sk, status;
+ size_t buffer_fill;
+
+ sk = zookeeper_connect();
+ if (sk < 0) {
+ ERROR("zookeeper: Could not connect to daemon");
+ return -1;
+ }
+
+ status = (int)swrite(sk, "mntr\r\n", strlen("mntr\r\n"));
+ if (status != 0) {
+ ERROR("zookeeper: write(2) failed: %s", STRERRNO);
+ close(sk);
+ return -1;
+ }
+
+ memset(buffer, 0, buffer_size);
+ buffer_fill = 0;
+
+ while ((status = (int)recv(sk, buffer + buffer_fill,
+ buffer_size - buffer_fill, /* flags = */ 0)) !=
+ 0) {
+ if (status < 0) {
+ if ((errno == EAGAIN) || (errno == EINTR))
+ continue;
+ ERROR("zookeeper: Error reading from socket: %s", STRERRNO);
+ close(sk);
+ return -1;
+ }
+
+ buffer_fill += (size_t)status;
+ } /* while (recv) */
+
+ status = 0;
+ if (buffer_fill == 0) {
+ WARNING("zookeeper: No data returned by MNTR command.");
+ status = -1;
+ }
+
+ close(sk);
+ return status;
} /* int zookeeper_query */
-
-static int zookeeper_read (void) {
- char buf[4096];
- char *ptr;
- char *save_ptr;
- char *line;
- char *fields[2];
-
- if (zookeeper_query (buf, sizeof (buf)) < 0)
- {
- return (-1);
- }
-
- ptr = buf;
- save_ptr = NULL;
- while ((line = strtok_r (ptr, "\n\r", &save_ptr)) != NULL)
- {
- ptr = NULL;
- if (strsplit(line, fields, 2) != 2)
- {
- continue;
- }
-#define FIELD_CHECK(check, expected) \
- (strncmp (check, expected, strlen(expected)) == 0)
-
- if (FIELD_CHECK (fields[0], "zk_avg_latency"))
- {
- zookeeper_submit_gauge ("latency", "avg", atol(fields[1]));
- }
- else if (FIELD_CHECK(fields[0], "zk_min_latency"))
- {
- zookeeper_submit_gauge ("latency", "min", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_max_latency"))
- {
- zookeeper_submit_gauge ("latency", "max", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_packets_received"))
- {
- zookeeper_submit_derive ("packets", "received", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_packets_sent"))
- {
- zookeeper_submit_derive ("packets", "sent", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_num_alive_connections"))
- {
- zookeeper_submit_gauge ("current_connections", NULL, atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_outstanding_requests"))
- {
- zookeeper_submit_gauge ("requests", "outstanding", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_znode_count"))
- {
- zookeeper_submit_gauge ("gauge", "znode", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_watch_count"))
- {
- zookeeper_submit_gauge ("gauge", "watch", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_ephemerals_count"))
- {
- zookeeper_submit_gauge ("gauge", "ephemerals", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_ephemerals_count"))
- {
- zookeeper_submit_gauge ("gauge", "ephemerals", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_ephemerals_count"))
- {
- zookeeper_submit_gauge ("gauge", "ephemerals", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_approximate_data_size"))
- {
- zookeeper_submit_gauge ("bytes", "approximate_data_size", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_followers"))
- {
- zookeeper_submit_gauge ("count", "followers", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_synced_followers"))
- {
- zookeeper_submit_gauge ("count", "synced_followers", atol(fields[1]));
- }
- else if (FIELD_CHECK (fields[0], "zk_pending_syncs"))
- {
- zookeeper_submit_gauge ("count", "pending_syncs", atol(fields[1]));
- }
- else
- {
- DEBUG("Uncollected zookeeper MNTR field %s", fields[0]);
- }
- }
-
- return (0);
+static int zookeeper_read(void) {
+ char buf[4096];
+ char *ptr;
+ char *save_ptr;
+ char *line;
+ char *fields[2];
+
+ if (zookeeper_query(buf, sizeof(buf)) < 0) {
+ return -1;
+ }
+
+ ptr = buf;
+ save_ptr = NULL;
+ while ((line = strtok_r(ptr, "\n\r", &save_ptr)) != NULL) {
+ ptr = NULL;
+ if (strsplit(line, fields, 2) != 2) {
+ continue;
+ }
+#define FIELD_CHECK(check, expected) \
+ (strncmp(check, expected, strlen(expected)) == 0)
+
+ if (FIELD_CHECK(fields[0], "zk_avg_latency")) {
+ zookeeper_submit_gauge("latency", "avg", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_min_latency")) {
+ zookeeper_submit_gauge("latency", "min", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_max_latency")) {
+ zookeeper_submit_gauge("latency", "max", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_packets_received")) {
+ zookeeper_submit_derive("packets", "received", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_packets_sent")) {
+ zookeeper_submit_derive("packets", "sent", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_num_alive_connections")) {
+ zookeeper_submit_gauge("current_connections", NULL, atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_outstanding_requests")) {
+ zookeeper_submit_gauge("requests", "outstanding", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_znode_count")) {
+ zookeeper_submit_gauge("gauge", "znode", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_watch_count")) {
+ zookeeper_submit_gauge("gauge", "watch", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_ephemerals_count")) {
+ zookeeper_submit_gauge("gauge", "ephemerals", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_ephemerals_count")) {
+ zookeeper_submit_gauge("gauge", "ephemerals", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_ephemerals_count")) {
+ zookeeper_submit_gauge("gauge", "ephemerals", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_approximate_data_size")) {
+ zookeeper_submit_gauge("bytes", "approximate_data_size", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_followers")) {
+ zookeeper_submit_gauge("count", "followers", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_synced_followers")) {
+ zookeeper_submit_gauge("count", "synced_followers", atol(fields[1]));
+ } else if (FIELD_CHECK(fields[0], "zk_pending_syncs")) {
+ zookeeper_submit_gauge("count", "pending_syncs", atol(fields[1]));
+ } else {
+ DEBUG("Uncollected zookeeper MNTR field %s", fields[0]);
+ }
+ }
+
+ return 0;
} /* zookeeper_read */
-void module_register (void)
-{
- plugin_register_config ("zookeeper", zookeeper_config, config_keys, config_keys_num);
- plugin_register_read ("zookeeper", zookeeper_read);
+void module_register(void) {
+ plugin_register_config("zookeeper", zookeeper_config, config_keys,
+ config_keys_num);
+ plugin_register_read("zookeeper", zookeeper_read);
} /* void module_register */
projects / collectd.git / blobdiff