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diff --git a/src/core/store.c b/src/core/store.c
index 19faee43994bdde816a6a84f4c09061bfb25bb4f..50b39d52f1160791cee05ecb5b3a44867380eece 100644 (file)
--- a/src/core/store.c
+++ b/src/core/store.c
/*
* SysDB - src/core/store.c
- * Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>
+ * Copyright (C) 2012-2013 Sebastian 'tokkee' Harl <sh@tokkee.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "sysdb.h"
#include "core/store.h"
-#include "core/error.h"
#include "core/plugin.h"
+#include "utils/error.h"
#include "utils/llist.h"
#include <assert.h>
static sdb_type_t sdb_store_obj_type;
static sdb_type_t sdb_attribute_type;
-struct store_obj;
-typedef struct store_obj store_obj_t;
-
-struct store_obj {
+struct sdb_store_base {
sdb_object_t super;
+
+ /* object type */
+ int type;
+
+ /* common meta information */
sdb_time_t last_update;
- store_obj_t *parent;
+ sdb_store_base_t *parent;
};
-#define STORE_OBJ(obj) ((store_obj_t *)(obj))
-#define STORE_CONST_OBJ(obj) ((const store_obj_t *)(obj))
+#define STORE_BASE(obj) ((sdb_store_base_t *)(obj))
+#define STORE_CONST_BASE(obj) ((const sdb_store_base_t *)(obj))
typedef struct {
- store_obj_t super;
+ sdb_store_base_t super;
char *value;
} sdb_attribute_t;
#define SDB_CONST_ATTR(obj) ((const sdb_attribute_t *)(obj))
typedef struct {
- store_obj_t super;
+ sdb_store_base_t super;
- int type;
sdb_llist_t *children;
-
sdb_llist_t *attributes;
} sdb_store_obj_t;
#define SDB_STORE_OBJ(obj) ((sdb_store_obj_t *)(obj))
#define _last_update super.last_update
static int
-store_obj_init(sdb_object_t *obj, va_list ap)
+store_base_init(sdb_object_t *obj, va_list ap)
{
- store_obj_t *sobj = STORE_OBJ(obj);
- sobj->last_update = va_arg(ap, sdb_time_t);
+ sdb_store_base_t *sobj = STORE_BASE(obj);
+
+ sobj->type = va_arg(ap, int);
+ sobj->last_update = va_arg(ap, sdb_time_t);
sobj->parent = NULL;
return 0;
-} /* store_obj_init */
+} /* store_base_init */
static void
-store_obj_destroy(sdb_object_t *obj)
+store_base_destroy(sdb_object_t *obj)
{
- const store_obj_t *sobj = STORE_OBJ(obj);
+ const sdb_store_base_t *sobj = STORE_CONST_BASE(obj);
if (sobj->parent)
sdb_object_deref(SDB_OBJ(sobj->parent));
-} /* store_obj_destroy */
+} /* store_base_destroy */
static int
sdb_store_obj_init(sdb_object_t *obj, va_list ap)
sdb_store_obj_t *sobj = SDB_STORE_OBJ(obj);
int ret;
- ret = store_obj_init(obj, ap);
+ /* this will consume the first argument (type) of ap */
+ ret = store_base_init(obj, ap);
if (ret)
return ret;
- sobj->type = va_arg(ap, int);
-
sobj->children = sdb_llist_create();
if (! sobj->children)
return -1;
assert(obj);
- store_obj_destroy(obj);
+ store_base_destroy(obj);
if (sobj->children)
sdb_llist_destroy(sobj->children);
const char *value;
int ret;
- ret = store_obj_init(obj, ap);
+ /* this will consume the first argument (type) of ap */
+ ret = store_base_init(obj, ap);
if (ret)
return ret;
value = va_arg(ap, const char *);
{
assert(obj);
- store_obj_destroy(obj);
+ store_base_destroy(obj);
if (SDB_ATTR(obj)->value)
free(SDB_ATTR(obj)->value);
sdb_store_obj_t *sobj = SDB_STORE_OBJ(sdb_llist_iter_get_next(iter));
assert(sobj);
- if ((sobj->type == type)
+ if ((STORE_BASE(sobj)->type == type)
&& (! strcasecmp(SDB_OBJ(sobj)->name, name))) {
sdb_llist_iter_destroy(iter);
return sobj;
}
+ /* don't lookups non-host types from hierarchical hosts */
+ if ((type != SDB_HOST) && (STORE_BASE(sobj)->type == SDB_HOST))
+ continue;
+
sobj = sdb_store_lookup_in_list(sobj->children, type, name);
if (sobj) {
sdb_llist_iter_destroy(iter);
static int
store_obj(int parent_type, const char *parent_name,
int type, const char *name, sdb_time_t last_update,
- store_obj_t **updated_obj)
+ sdb_store_base_t **updated_obj)
{
char *parent_cname = NULL, *cname = NULL;
sdb_llist_t *parent_list;
- store_obj_t *old;
+ sdb_store_base_t *old;
int status = 0;
if (last_update <= 0)
parent_list = parent->children;
}
- /* TODO: only look into direct children? */
if (type == SDB_HOST)
/* make sure that each host is unique */
- old = STORE_OBJ(sdb_store_lookup_in_list(obj_list, type, name));
+ old = STORE_BASE(sdb_store_lookup_in_list(obj_list, type, name));
else if (type == SDB_ATTRIBUTE)
- old = STORE_OBJ(sdb_llist_search_by_name(parent_list, name));
+ /* look into attributes of this host */
+ old = STORE_BASE(sdb_llist_search_by_name(parent_list, name));
else
- old = STORE_OBJ(sdb_store_lookup_in_list(parent_list, type, name));
+ /* look into services assigned to this host (sdb_store_lookup_in_list
+ * does not look up services from hierarchical hosts) */
+ old = STORE_BASE(sdb_store_lookup_in_list(parent_list, type, name));
if (old) {
if (old->last_update > last_update) {
*updated_obj = old;
}
else {
- store_obj_t *new;
+ sdb_store_base_t *new;
if (type == SDB_ATTRIBUTE)
/* the value will be updated by the caller */
- new = STORE_OBJ(sdb_object_create(name, sdb_attribute_type,
- last_update, NULL));
+ new = STORE_BASE(sdb_object_create(name, sdb_attribute_type,
+ type, last_update, NULL));
else
- new = STORE_OBJ(sdb_object_create(name, sdb_store_obj_type,
- last_update, type));
+ new = STORE_BASE(sdb_object_create(name, sdb_store_obj_type,
+ type, last_update));
if (! new) {
char errbuf[1024];
{
int status;
- store_obj_t *updated_attr = NULL;
+ sdb_store_base_t *updated_attr = NULL;
if ((! hostname) || (! key))
return -1;
/* stored object = */ SDB_ATTRIBUTE, key, last_update,
&updated_attr);
- SDB_ATTR(updated_attr)->value = strdup(value);
- if (! SDB_ATTR(updated_attr)->value) {
- sdb_object_deref(SDB_OBJ(updated_attr));
- status = -1;
+ if (status >= 0) {
+ assert(updated_attr);
+ SDB_ATTR(updated_attr)->value = strdup(value);
+ if (! SDB_ATTR(updated_attr)->value) {
+ sdb_object_deref(SDB_OBJ(updated_attr));
+ status = -1;
+ }
}
+
pthread_rwlock_unlock(&obj_lock);
return status;
} /* sdb_store_attribute */
return status;
} /* sdb_store_service */
-/* TODO: actually support hierarchical data */
int
-sdb_store_dump(FILE *fh)
+sdb_store_host_tojson(sdb_store_base_t *h, sdb_strbuf_t *buf)
{
- sdb_llist_iter_t *host_iter;
+ sdb_store_obj_t *host;
- if (! fh)
- return -1;
+ sdb_llist_iter_t *svc_iter;
+ sdb_llist_iter_t *attr_iter;
- pthread_rwlock_rdlock(&obj_lock);
+ char time_str[64];
- host_iter = sdb_llist_get_iter(obj_list);
- if (! host_iter) {
- pthread_rwlock_unlock(&obj_lock);
+ if ((! h) || (h->type != SDB_HOST) || (! buf))
return -1;
+
+ host = SDB_STORE_OBJ(h);
+
+ if (! sdb_strftime(time_str, sizeof(time_str),
+ "%F %T %z", host->_last_update))
+ snprintf(time_str, sizeof(time_str), "<error>");
+ time_str[sizeof(time_str) - 1] = '\0';
+
+ sdb_strbuf_append(buf, "{\"name\": \"%s\", "
+ "\"last_update\": \"%s\", "
+ "\"attributes\": [",
+ SDB_OBJ(host)->name, time_str);
+
+ attr_iter = sdb_llist_get_iter(host->attributes);
+ if (! attr_iter) {
+ char errbuf[1024];
+ sdb_log(SDB_LOG_ERR, "store: Failed to retrieve attributes: %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ sdb_strbuf_append(buf, "{\"error\": \"failed to retrieve "
+ "attributes: %s\"}", errbuf);
}
- while (sdb_llist_iter_has_next(host_iter)) {
- sdb_store_obj_t *host = SDB_STORE_OBJ(sdb_llist_iter_get_next(host_iter));
- sdb_llist_iter_t *svc_iter;
- sdb_llist_iter_t *attr_iter;
+ /* has_next returns false if the iterator is NULL */
+ while (sdb_llist_iter_has_next(attr_iter)) {
+ sdb_attribute_t *attr = SDB_ATTR(sdb_llist_iter_get_next(attr_iter));
+ assert(attr);
+
+ if (! sdb_strftime(time_str, sizeof(time_str),
+ "%F %T %z", attr->_last_update))
+ snprintf(time_str, sizeof(time_str), "<error>");
+ time_str[sizeof(time_str) - 1] = '\0';
- char time_str[64];
+ sdb_strbuf_append(buf, "{\"name\": \"%s\", "
+ "\"value\": \"%s\", \"last_update\": \"%s\"},",
+ SDB_OBJ(attr)->name, attr->value, time_str);
+ }
- assert(host);
+ sdb_llist_iter_destroy(attr_iter);
+ sdb_strbuf_append(buf, "], \"services\": [");
+
+ svc_iter = sdb_llist_get_iter(host->children);
+ if (! svc_iter) {
+ char errbuf[1024];
+ sdb_log(SDB_LOG_ERR, "store: Failed to retrieve services: %s\n",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ sdb_strbuf_append(buf, "{\"error\": \"failed to retrieve "
+ "services: %s\"}", errbuf);
+ }
+
+ while (sdb_llist_iter_has_next(svc_iter)) {
+ sdb_store_obj_t *svc = SDB_STORE_OBJ(sdb_llist_iter_get_next(svc_iter));
+ assert(svc);
if (! sdb_strftime(time_str, sizeof(time_str),
- "%F %T %z", host->_last_update))
+ "%F %T %z", svc->_last_update))
snprintf(time_str, sizeof(time_str), "<error>");
time_str[sizeof(time_str) - 1] = '\0';
- fprintf(fh, "Host '%s' (last updated: %s):\n",
- SDB_OBJ(host)->name, time_str);
-
- attr_iter = sdb_llist_get_iter(host->attributes);
- if (! attr_iter) {
- char errbuf[1024];
- fprintf(fh, "Failed to retrieve attributes: %s\n",
- sdb_strerror(errno, errbuf, sizeof(errbuf)));
- continue;
- }
+ sdb_strbuf_append(buf, "{\"name\": \"%s\", "
+ "\"last_update\": \"%s\"},",
+ SDB_OBJ(svc)->name, time_str);
+ }
- while (sdb_llist_iter_has_next(attr_iter)) {
- sdb_attribute_t *attr = SDB_ATTR(sdb_llist_iter_get_next(attr_iter));
- assert(attr);
+ sdb_llist_iter_destroy(svc_iter);
+ sdb_strbuf_append(buf, "]}");
+ return 0;
+} /* sdb_store_host_tojson */
- if (! sdb_strftime(time_str, sizeof(time_str),
- "%F %T %z", attr->_last_update))
- snprintf(time_str, sizeof(time_str), "<error>");
- time_str[sizeof(time_str) - 1] = '\0';
+/* TODO: actually support hierarchical data */
+int
+sdb_store_tojson(sdb_strbuf_t *buf)
+{
+ sdb_llist_iter_t *host_iter;
- fprintf(fh, "\tAttribute '%s' -> '%s' (last updated: %s)\n",
- SDB_OBJ(attr)->name, attr->value, time_str);
- }
+ if (! buf)
+ return -1;
- sdb_llist_iter_destroy(attr_iter);
+ pthread_rwlock_rdlock(&obj_lock);
- svc_iter = sdb_llist_get_iter(host->children);
- if (! svc_iter) {
- char errbuf[1024];
- fprintf(fh, "Failed to retrieve services: %s\n",
- sdb_strerror(errno, errbuf, sizeof(errbuf)));
- continue;
- }
+ host_iter = sdb_llist_get_iter(obj_list);
+ if (! host_iter) {
+ pthread_rwlock_unlock(&obj_lock);
+ return -1;
+ }
- while (sdb_llist_iter_has_next(svc_iter)) {
- sdb_store_obj_t *svc = SDB_STORE_OBJ(sdb_llist_iter_get_next(svc_iter));
- assert(svc);
+ sdb_strbuf_append(buf, "{\"hosts\":[");
- if (! sdb_strftime(time_str, sizeof(time_str),
- "%F %T %z", svc->_last_update))
- snprintf(time_str, sizeof(time_str), "<error>");
- time_str[sizeof(time_str) - 1] = '\0';
+ while (sdb_llist_iter_has_next(host_iter)) {
+ sdb_store_base_t *host = STORE_BASE(sdb_llist_iter_get_next(host_iter));
+ assert(host);
- fprintf(fh, "\tService '%s' (last updated: %s)\n",
- SDB_OBJ(svc)->name, time_str);
- }
+ if (sdb_store_host_tojson(host, buf))
+ return -1;
- sdb_llist_iter_destroy(svc_iter);
+ if (sdb_llist_iter_has_next(host_iter))
+ sdb_strbuf_append(buf, ",");
}
+ sdb_strbuf_append(buf, "]}");
+
sdb_llist_iter_destroy(host_iter);
pthread_rwlock_unlock(&obj_lock);
return 0;
-} /* sdb_store_dump */
+} /* sdb_store_tojson */
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */