Code

Renamed the project to SysDB (System DataBase).
[sysdb.git] / src / backend / mk-livestatus.c
index f6b9b5f6641d300a505a404ec11e21d2a76e0f46..57fda523ddf9c81419bb6b565e0d7b305be834fe 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * syscollector - src/backend/mk-livestatus.c
+ * SysDB - src/backend/mk-livestatus.c
  * Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>
  * All rights reserved.
  *
@@ -25,7 +25,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "syscollector.h"
+#include "sysdb.h"
 #include "core/plugin.h"
 #include "core/store.h"
 #include "utils/string.h"
 #include <stdlib.h>
 #include <string.h>
 
-SC_PLUGIN_MAGIC;
+SDB_PLUGIN_MAGIC;
 
 /*
  * private helper functions
  */
 
 static int
-sc_livestatus_parse_line(char *line,
-               char **host, sc_time_t *timestamp)
+sdb_livestatus_get_host(sdb_unixsock_client_t __attribute__((unused)) *client,
+               size_t n, sdb_data_t *data,
+               sdb_object_t __attribute__((unused)) *user_data)
 {
-       char *timestamp_str;
-       double timestamp_dbl;
+       char *hostname = NULL;
+       sdb_time_t timestamp = 0;
 
-       char *hostname;
+       sdb_host_t host = SDB_HOST_INIT;
 
-       char *endptr = NULL;
+       int status;
+
+       assert(n == 2);
+       assert((data[0].type == SDB_TYPE_STRING)
+                       && (data[1].type == SDB_TYPE_DATETIME));
+
+       hostname  = strdup(data[0].data.string);
+       timestamp = data[1].data.datetime;
 
-       hostname = line;
-       timestamp_str = strchr(hostname, ';');
+       host.host_name = hostname;
+       host.host_last_update = timestamp;
 
-       if (! timestamp_str) {
-               fprintf(stderr, "MK Livestatus backend: Failed to find timestamp "
-                               "in 'GET hosts' output, line: %s\n", line);
+       status = sdb_store_host(&host);
+
+       if (status < 0) {
+               fprintf(stderr, "MK Livestatus backend: Failed to store/update "
+                               "host '%s'.\n", hostname);
+               free(hostname);
                return -1;
        }
+       else if (status > 0) /* value too old */
+               return 0;
 
-       *timestamp_str = '\0';
-       ++timestamp_str;
+       fprintf(stderr, "MK Livestatus backend: Added/updated host '%s' "
+                       "(last update timestamp = %"PRIscTIME").\n",
+                       hostname, timestamp);
+       free(hostname);
+       return 0;
+} /* sdb_livestatus_get_host */
 
-       errno = 0;
-       timestamp_dbl = strtod(timestamp_str, &endptr);
-       if (errno || (timestamp_str == endptr)) {
-               char errbuf[1024];
-               fprintf(stderr, "MK Livestatus backend: Failed to "
-                               "parse timestamp (%s): %s\n", timestamp_str,
-                               sc_strerror(errno, errbuf, sizeof(errbuf)));
+static int
+sdb_livestatus_get_svc(sdb_unixsock_client_t __attribute__((unused)) *client,
+               size_t n, sdb_data_t *data,
+               sdb_object_t __attribute__((unused)) *user_data)
+{
+       char *hostname = NULL;
+       char *svcname = NULL;
+       sdb_time_t timestamp = 0;
+
+       sdb_service_t svc = SDB_SVC_INIT;
+
+       int status;
+
+       assert(n == 3);
+       assert((data[0].type == SDB_TYPE_STRING)
+                       && (data[1].type == SDB_TYPE_STRING)
+                       && (data[2].type == SDB_TYPE_DATETIME));
+
+       hostname  = strdup(data[0].data.string);
+       svcname   = strdup(data[1].data.string);
+       timestamp = data[2].data.datetime;
+
+       svc.hostname = hostname;
+       svc.svc_name = svcname;
+       svc.svc_last_update = timestamp;
+
+       status = sdb_store_service(&svc);
+
+       if (status < 0) {
+               fprintf(stderr, "MK Livestatus backend: Failed to store/update "
+                               "service '%s / %s'.\n", hostname, svcname);
+               free(hostname);
+               free(svcname);
                return -1;
        }
-       if (endptr && (*endptr != '\0'))
-               fprintf(stderr, "MK Livestatus backend: Ignoring garbage "
-                               "after number when parsing timestamp: %s.\n",
-                               endptr);
-
-       *timestamp = DOUBLE_TO_SC_TIME(timestamp_dbl);
-       *host = hostname;
+       else if (status > 0) /* value too old */
+               return 0;
+
+       fprintf(stderr, "MK Livestatus backend: Added/updated service '%s / %s' "
+                       "(last update timestamp = %"PRIscTIME").\n",
+                       hostname, svcname, timestamp);
+       free(hostname);
+       free(svcname);
        return 0;
-} /* sc_livestatus_parse_line */
+} /* sdb_livestatus_get_svc */
 
 /*
  * plugin API
  */
 
 static int
-sc_livestatus_init(sc_object_t *user_data)
+sdb_livestatus_init(sdb_object_t *user_data)
 {
-       sc_unixsock_client_t *client;
+       sdb_unixsock_client_t *client;
 
        if (! user_data)
                return -1;
 
-       client = SC_OBJ_WRAPPER(user_data)->data;
-       if (sc_unixsock_client_connect(client)) {
+       client = SDB_OBJ_WRAPPER(user_data)->data;
+       if (sdb_unixsock_client_connect(client)) {
                fprintf(stderr, "MK Livestatus backend: "
                                "Failed to connect to livestatus @ %s.\n",
-                               sc_unixsock_client_path(client));
+                               sdb_unixsock_client_path(client));
                return -1;
        }
 
        fprintf(stderr, "MK Livestatus backend: Successfully "
                        "connected to livestatus @ %s.\n",
-                       sc_unixsock_client_path(client));
+                       sdb_unixsock_client_path(client));
        return 0;
-} /* sc_livestatus_init */
+} /* sdb_livestatus_init */
 
 static int
-sc_livestatus_collect(sc_object_t *user_data)
+sdb_livestatus_collect(sdb_object_t *user_data)
 {
-       sc_unixsock_client_t *client;
+       sdb_unixsock_client_t *client;
 
        int status;
 
        if (! user_data)
                return -1;
 
-       client = SC_OBJ_WRAPPER(user_data)->data;
+       client = SDB_OBJ_WRAPPER(user_data)->data;
 
-       status = sc_unixsock_client_send(client, "GET hosts\r\n"
+       status = sdb_unixsock_client_send(client, "GET hosts\r\n"
                        "Columns: name last_check");
        if (status <= 0) {
                fprintf(stderr, "MK Livestatus backend: Failed to send "
                                "'GET hosts' command to livestatus @ %s.\n",
-                               sc_unixsock_client_path(client));
+                               sdb_unixsock_client_path(client));
                return -1;
        }
 
-       sc_unixsock_client_shutdown(client, SHUT_WR);
+       sdb_unixsock_client_shutdown(client, SHUT_WR);
 
-       while (42) {
-               char  buffer[1024];
-               char *line;
-
-               char *hostname = NULL;
-               sc_time_t timestamp = 0;
-
-               sc_host_t host = SC_HOST_INIT;
-
-               sc_unixsock_client_clearerr(client);
-               line = sc_unixsock_client_recv(client, buffer, sizeof(buffer));
-
-               if (! line)
-                       break;
-
-               if (sc_livestatus_parse_line(line, &hostname, &timestamp)) {
-                       fprintf(stderr, "MK Livestatus backend: Failed to parse "
-                                       "hosts line: %s\n", line);
-                       continue;
-               }
+       if (sdb_unixsock_client_process_lines(client, sdb_livestatus_get_host,
+                               /* user data */ NULL, /* -> EOF */ -1, /* delim */ ";",
+                               /* column count */ 2, SDB_TYPE_STRING, SDB_TYPE_DATETIME)) {
+               fprintf(stderr, "MK Livestatus backend: Failed to read response "
+                               "from livestatus @ %s while reading hosts.\n",
+                               sdb_unixsock_client_path(client));
+               return -1;
+       }
 
-               host.host_name = hostname;
-               host.host_last_update = timestamp;
+       if ((! sdb_unixsock_client_eof(client))
+                       || sdb_unixsock_client_error(client)) {
+               char errbuf[1024];
+               fprintf(stderr, "MK Livestatus backend: Failed to read host "
+                               "from livestatus @ %s: %s\n",
+                               sdb_unixsock_client_path(client),
+                               sdb_strerror(errno, errbuf, sizeof(errbuf)));
+               return -1;
+       }
 
-               status = sc_store_host(&host);
+       status = sdb_unixsock_client_send(client, "GET services\r\n"
+                       "Columns: host_name description last_check");
+       if (status <= 0) {
+               fprintf(stderr, "MK Livestatus backend: Failed to send "
+                               "'GET services' command to livestatus @ %s.\n",
+                               sdb_unixsock_client_path(client));
+               return -1;
+       }
 
-               if (status < 0) {
-                       fprintf(stderr, "MK Livestatus backend: Failed to store/update "
-                                       "host '%s'.\n", hostname);
-                       continue;
-               }
-               else if (status > 0) /* value too old */
-                       continue;
+       sdb_unixsock_client_shutdown(client, SHUT_WR);
 
-               fprintf(stderr, "MK Livestatus backend: Added/updated host '%s' "
-                               "(last update timestamp = %"PRIscTIME").\n",
-                               hostname, timestamp);
+       if (sdb_unixsock_client_process_lines(client, sdb_livestatus_get_svc,
+                               /* user data */ NULL, /* -> EOF */ -1, /* delim */ ";",
+                               /* column count */ 3, SDB_TYPE_STRING, SDB_TYPE_STRING,
+                               SDB_TYPE_DATETIME)) {
+               fprintf(stderr, "MK Livestatus backend: Failed to read response "
+                               "from livestatus @ %s while reading services.\n",
+                               sdb_unixsock_client_path(client));
+               return -1;
        }
 
-       if ((! sc_unixsock_client_eof(client))
-                       || sc_unixsock_client_error(client)) {
+       if ((! sdb_unixsock_client_eof(client))
+                       || sdb_unixsock_client_error(client)) {
                char errbuf[1024];
-               fprintf(stderr, "MK Livestatus backend: Failed to read host "
+               fprintf(stderr, "MK Livestatus backend: Failed to read services "
                                "from livestatus @ %s: %s\n",
-                               sc_unixsock_client_path(client),
-                               sc_strerror(errno, errbuf, sizeof(errbuf)));
+                               sdb_unixsock_client_path(client),
+                               sdb_strerror(errno, errbuf, sizeof(errbuf)));
                return -1;
        }
        return 0;
-} /* sc_livestatus_collect */
+} /* sdb_livestatus_collect */
 
 static int
-sc_livestatus_config_instance(oconfig_item_t *ci)
+sdb_livestatus_config_instance(oconfig_item_t *ci)
 {
        char *name = NULL;
        char *socket = NULL;
 
        char cb_name[1024];
 
-       sc_object_t *user_data;
-       sc_unixsock_client_t *client;
+       sdb_object_t *user_data;
+       sdb_unixsock_client_t *client;
 
        int i;
 
@@ -228,34 +273,34 @@ sc_livestatus_config_instance(oconfig_item_t *ci)
        snprintf(cb_name, sizeof(cb_name), "mk-livestatus-%s", name);
        cb_name[sizeof(cb_name) - 1] = '\0';
 
-       client = sc_unixsock_client_create(socket);
+       client = sdb_unixsock_client_create(socket);
        if (! client) {
                char errbuf[1024];
                fprintf(stderr, "MK Livestatus backend: Failed to create unixsock "
-                               "client: %s\n", sc_strerror(errno, errbuf, sizeof(errbuf)));
+                               "client: %s\n", sdb_strerror(errno, errbuf, sizeof(errbuf)));
                return -1;
        }
 
-       user_data = sc_object_create_wrapper(client,
-                       (void (*)(void *))sc_unixsock_client_destroy);
+       user_data = sdb_object_create_wrapper(client,
+                       (void (*)(void *))sdb_unixsock_client_destroy);
        if (! user_data) {
-               sc_unixsock_client_destroy(client);
+               sdb_unixsock_client_destroy(client);
                fprintf(stderr, "MK Livestatus backend: Failed to "
-                               "allocate sc_object_t\n");
+                               "allocate sdb_object_t\n");
                return -1;
        }
 
-       sc_plugin_register_init(cb_name, sc_livestatus_init, user_data);
-       sc_plugin_register_collector(cb_name, sc_livestatus_collect,
+       sdb_plugin_register_init(cb_name, sdb_livestatus_init, user_data);
+       sdb_plugin_register_collector(cb_name, sdb_livestatus_collect,
                        /* interval */ NULL, user_data);
 
        /* pass control to the list */
-       sc_object_deref(user_data);
+       sdb_object_deref(user_data);
        return 0;
-} /* sc_livestatus_config_instance */
+} /* sdb_livestatus_config_instance */
 
 static int
-sc_livestatus_config(oconfig_item_t *ci)
+sdb_livestatus_config(oconfig_item_t *ci)
 {
        int i;
 
@@ -263,29 +308,29 @@ sc_livestatus_config(oconfig_item_t *ci)
                oconfig_item_t *child = ci->children + i;
 
                if (! strcasecmp(child->key, "Instance"))
-                       sc_livestatus_config_instance(child);
+                       sdb_livestatus_config_instance(child);
                else
                        fprintf(stderr, "MK Livestatus backend: Ignoring unknown config "
                                        "option '%s'.\n", child->key);
        }
        return 0;
-} /* sc_livestatus_config */
+} /* sdb_livestatus_config */
 
 int
-sc_module_init(sc_plugin_info_t *info)
+sdb_module_init(sdb_plugin_info_t *info)
 {
-       sc_plugin_set_info(info, SC_PLUGIN_INFO_NAME, "MK-Livestatus");
-       sc_plugin_set_info(info, SC_PLUGIN_INFO_DESC,
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_NAME, "MK-Livestatus");
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_DESC,
                        "backend accessing Nagios/Icinga/Shinken using MK Livestatus");
-       sc_plugin_set_info(info, SC_PLUGIN_INFO_COPYRIGHT,
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_COPYRIGHT,
                        "Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>");
-       sc_plugin_set_info(info, SC_PLUGIN_INFO_LICENSE, "BSD");
-       sc_plugin_set_info(info, SC_PLUGIN_INFO_VERSION, SC_VERSION);
-       sc_plugin_set_info(info, SC_PLUGIN_INFO_PLUGIN_VERSION, SC_VERSION);
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_LICENSE, "BSD");
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_VERSION, SDB_VERSION);
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_PLUGIN_VERSION, SDB_VERSION);
 
-       sc_plugin_register_config("mk-livestatus", sc_livestatus_config);
+       sdb_plugin_register_config("mk-livestatus", sdb_livestatus_config);
        return 0;
-} /* sc_version_extra */
+} /* sdb_version_extra */
 
 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */