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diff --git a/src/core/plugin.c b/src/core/plugin.c
index d4bf1bd78b3dee2c1eb5e5c610e5a5bc5620dd84..3611be4966b51d296557620e9ed77abda9d7ce48 100644 (file)
--- a/src/core/plugin.c
+++ b/src/core/plugin.c
void *cb_callback;
sdb_object_t *cb_user_data;
ctx_t *cb_ctx;
-} sdb_plugin_cb_t;
-#define SDB_PLUGIN_CB_INIT { SDB_OBJECT_INIT, \
+} callback_t;
+#define CB_INIT { SDB_OBJECT_INIT, \
/* callback = */ NULL, /* user_data = */ NULL, \
SDB_PLUGIN_CTX_INIT }
+#define CB(obj) ((callback_t *)(obj))
+#define CONST_CB(obj) ((const callback_t *)(obj))
typedef struct {
- sdb_plugin_cb_t super;
+ callback_t super;
#define ccb_callback super.cb_callback
#define ccb_user_data super.cb_user_data
#define ccb_ctx super.cb_ctx
sdb_time_t ccb_interval;
sdb_time_t ccb_next_update;
-} sdb_plugin_collector_cb_t;
+} collector_t;
+#define CCB(obj) ((collector_t *)(obj))
+#define CONST_CCB(obj) ((const collector_t *)(obj))
-#define SDB_PLUGIN_CB(obj) ((sdb_plugin_cb_t *)(obj))
-#define SDB_CONST_PLUGIN_CB(obj) ((const sdb_plugin_cb_t *)(obj))
-#define SDB_PLUGIN_CCB(obj) ((sdb_plugin_collector_cb_t *)(obj))
-#define SDB_CONST_PLUGIN_CCB(obj) ((const sdb_plugin_collector_cb_t *)(obj))
+typedef struct {
+ callback_t super; /* cb_callback will always be NULL */
+#define w_user_data super.cb_user_data
+#define w_ctx super.cb_ctx
+ sdb_store_writer_t impl;
+} writer_t;
+#define WRITER(obj) ((writer_t *)(obj))
+
+typedef struct {
+ callback_t super; /* cb_callback will always be NULL */
+#define r_user_data super.cb_user_data
+#define r_ctx super.cb_ctx
+ sdb_store_reader_t impl;
+} reader_t;
+#define READER(obj) ((reader_t *)(obj))
/*
* private variables
static sdb_plugin_info_t plugin_default_info = SDB_PLUGIN_INFO_INIT;
static pthread_key_t plugin_ctx_key;
-static _Bool plugin_ctx_key_initialized = 0;
+static bool plugin_ctx_key_initialized = 0;
/* a list of the plugin contexts of all registered plugins */
static sdb_llist_t *all_plugins = NULL;
static sdb_llist_t *shutdown_list = NULL;
static sdb_llist_t *log_list = NULL;
static sdb_llist_t *ts_fetcher_list = NULL;
+static sdb_llist_t *writer_list = NULL;
+static sdb_llist_t *reader_list = NULL;
static struct {
const char *type;
sdb_llist_t **list;
} all_lists[] = {
- { "config", &config_list },
- { "init", &init_list },
- { "collector", &collector_list },
- { "cname", &cname_list },
- { "shutdown", &shutdown_list },
- { "log", &log_list },
+ { "config", &config_list },
+ { "init", &init_list },
+ { "collector", &collector_list },
+ { "cname", &cname_list },
+ { "shutdown", &shutdown_list },
+ { "log", &log_list },
+ { "timeseries fetcher", &ts_fetcher_list },
+ { "store writer", &writer_list },
+ { "store reader", &reader_list },
};
/*
static int
plugin_cmp_next_update(const sdb_object_t *a, const sdb_object_t *b)
{
- const sdb_plugin_collector_cb_t *ccb1
- = (const sdb_plugin_collector_cb_t *)a;
- const sdb_plugin_collector_cb_t *ccb2
- = (const sdb_plugin_collector_cb_t *)b;
+ const collector_t *ccb1 = (const collector_t *)a;
+ const collector_t *ccb2 = (const collector_t *)b;
assert(ccb1 && ccb2);
static int
plugin_lookup_by_name(const sdb_object_t *obj, const void *id)
{
- const sdb_plugin_cb_t *cb = SDB_CONST_PLUGIN_CB(obj);
+ const callback_t *cb = CONST_CB(obj);
const char *name = id;
assert(cb && id);
sdb_llist_t *list = *all_lists[i].list;
while (1) {
- sdb_plugin_cb_t *cb;
+ callback_t *cb;
- cb = SDB_PLUGIN_CB(sdb_llist_remove(list,
+ cb = CB(sdb_llist_remove(list,
plugin_lookup_by_name, plugin_name));
if (! cb)
break;
/* else: other callbacks still reference it */
} /* plugin_unregister_by_name */
-static void
-plugin_unregister_all(void)
-{
- size_t i;
-
- for (i = 0; i < SDB_STATIC_ARRAY_LEN(all_lists); ++i) {
- const char *type = all_lists[i].type;
- sdb_llist_t *list = *all_lists[i].list;
-
- size_t len = sdb_llist_len(list);
-
- if (! len)
- continue;
-
- sdb_llist_clear(list);
- sdb_log(SDB_LOG_INFO, "core: Unregistered %zu %s callback%s",
- len, type, len == 1 ? "" : "s");
- }
-} /* plugin_unregister_all */
-
/*
* private types
*/
/* cb_ctx may be NULL if the plugin was not registered by a plugin */
- SDB_PLUGIN_CB(obj)->cb_callback = callback;
- SDB_PLUGIN_CB(obj)->cb_ctx = ctx_get();
- sdb_object_ref(SDB_OBJ(SDB_PLUGIN_CB(obj)->cb_ctx));
+ CB(obj)->cb_callback = callback;
+ CB(obj)->cb_ctx = ctx_get();
+ sdb_object_ref(SDB_OBJ(CB(obj)->cb_ctx));
sdb_object_ref(ud);
- SDB_PLUGIN_CB(obj)->cb_user_data = ud;
+ CB(obj)->cb_user_data = ud;
return 0;
} /* plugin_cb_init */
plugin_cb_destroy(sdb_object_t *obj)
{
assert(obj);
- sdb_object_deref(SDB_PLUGIN_CB(obj)->cb_user_data);
- sdb_object_deref(SDB_OBJ(SDB_PLUGIN_CB(obj)->cb_ctx));
+ sdb_object_deref(CB(obj)->cb_user_data);
+ sdb_object_deref(SDB_OBJ(CB(obj)->cb_ctx));
} /* plugin_cb_destroy */
-static sdb_type_t sdb_plugin_cb_type = {
- sizeof(sdb_plugin_cb_t),
+static sdb_type_t callback_type = {
+ sizeof(callback_t),
plugin_cb_init,
plugin_cb_destroy
};
-static sdb_type_t sdb_plugin_collector_cb_type = {
- sizeof(sdb_plugin_collector_cb_t),
+static sdb_type_t collector_type = {
+ sizeof(collector_t),
plugin_cb_init,
plugin_cb_destroy
};
+static int
+plugin_writer_init(sdb_object_t *obj, va_list ap)
+{
+ sdb_store_writer_t *impl = va_arg(ap, sdb_store_writer_t *);
+ sdb_object_t *ud = va_arg(ap, sdb_object_t *);
+
+ assert(impl);
+
+ if ((! impl->store_host) || (! impl->store_service)
+ || (! impl->store_metric) || (! impl->store_attribute)) {
+ sdb_log(SDB_LOG_ERR, "core: store writer callback '%s' "
+ "does not fully implement the writer interface.",
+ obj->name);
+ return -1;
+ }
+ if (sdb_llist_search_by_name(writer_list, obj->name)) {
+ sdb_log(SDB_LOG_WARNING, "core: store writer callback '%s' "
+ "has already been registered. Ignoring newly "
+ "registered version.", obj->name);
+ return -1;
+ }
+
+ /* ctx may be NULL if the callback was not registered by a plugin */
+
+ WRITER(obj)->impl = *impl;
+ WRITER(obj)->w_ctx = ctx_get();
+ sdb_object_ref(SDB_OBJ(WRITER(obj)->w_ctx));
+
+ sdb_object_ref(ud);
+ WRITER(obj)->w_user_data = ud;
+ return 0;
+} /* plugin_writer_init */
+
+static void
+plugin_writer_destroy(sdb_object_t *obj)
+{
+ assert(obj);
+ sdb_object_deref(WRITER(obj)->w_user_data);
+ sdb_object_deref(SDB_OBJ(WRITER(obj)->w_ctx));
+} /* plugin_writer_destroy */
+
+static sdb_type_t writer_type = {
+ sizeof(writer_t),
+
+ plugin_writer_init,
+ plugin_writer_destroy
+};
+
+static int
+plugin_reader_init(sdb_object_t *obj, va_list ap)
+{
+ sdb_store_reader_t *impl = va_arg(ap, sdb_store_reader_t *);
+ sdb_object_t *ud = va_arg(ap, sdb_object_t *);
+
+ assert(impl);
+
+ if ((! impl->prepare_query) || (! impl->execute_query)) {
+ sdb_log(SDB_LOG_ERR, "core: store reader callback '%s' "
+ "does not fully implement the reader interface.",
+ obj->name);
+ return -1;
+ }
+ if (sdb_llist_search_by_name(reader_list, obj->name)) {
+ sdb_log(SDB_LOG_WARNING, "core: store reader callback '%s' "
+ "has already been registered. Ignoring newly "
+ "registered version.", obj->name);
+ return -1;
+ }
+
+ /* ctx may be NULL if the callback was not registered by a plugin */
+
+ READER(obj)->impl = *impl;
+ READER(obj)->r_ctx = ctx_get();
+ sdb_object_ref(SDB_OBJ(READER(obj)->r_ctx));
+
+ sdb_object_ref(ud);
+ READER(obj)->r_user_data = ud;
+ return 0;
+} /* plugin_reader_init */
+
+static void
+plugin_reader_destroy(sdb_object_t *obj)
+{
+ assert(obj);
+ sdb_object_deref(READER(obj)->r_user_data);
+ sdb_object_deref(SDB_OBJ(READER(obj)->r_ctx));
+} /* plugin_reader_destroy */
+
+static sdb_type_t reader_type = {
+ sizeof(reader_t),
+
+ plugin_reader_init,
+ plugin_reader_destroy
+};
+
static int
module_init(const char *name, lt_dlhandle lh, sdb_plugin_info_t *info)
{
if (! *list)
return -1;
- obj = sdb_object_create(name, sdb_plugin_cb_type,
+ obj = sdb_object_create(name, callback_type,
list, type, callback, user_data);
if (! obj)
return -1;
return 0;
} /* plugin_add_callback */
+static void
+get_backend(char **backends, size_t *backends_num)
+{
+ const sdb_plugin_info_t *info;
+
+ info = sdb_plugin_current();
+ if ((! info) || (! info->plugin_name) || (! *info->plugin_name)) {
+ *backends_num = 0;
+ return;
+ }
+
+ backends[0] = info->plugin_name;
+ *backends_num = 1;
+} /* get_backend */
+
/*
* public API
*/
"config callback from outside a plugin");
return -1;
}
- return plugin_add_callback(&config_list, "init", ctx->info.plugin_name,
+ return plugin_add_callback(&config_list, "config", ctx->info.plugin_name,
(void *)callback, NULL);
} /* sdb_plugin_register_config */
@@ -744,13 +852,13 @@ sdb_plugin_register_collector(const char *name, sdb_plugin_collector_cb callback
plugin_get_name(name, cb_name, sizeof(cb_name));
- obj = sdb_object_create(cb_name, sdb_plugin_collector_cb_type,
+ obj = sdb_object_create(cb_name, collector_type,
&collector_list, "collector", callback, user_data);
if (! obj)
return -1;
if (interval)
- SDB_PLUGIN_CCB(obj)->ccb_interval = *interval;
+ CCB(obj)->ccb_interval = *interval;
else {
ctx_t *ctx = ctx_get();
@@ -761,10 +869,10 @@ sdb_plugin_register_collector(const char *name, sdb_plugin_collector_cb callback
return -1;
}
- SDB_PLUGIN_CCB(obj)->ccb_interval = ctx->public.interval;
+ CCB(obj)->ccb_interval = ctx->public.interval;
}
- if (! (SDB_PLUGIN_CCB(obj)->ccb_next_update = sdb_gettime())) {
+ if (! (CCB(obj)->ccb_next_update = sdb_gettime())) {
char errbuf[1024];
sdb_log(SDB_LOG_ERR, "core: Failed to determine current "
"time: %s", sdb_strerror(errno, errbuf, sizeof(errbuf)));
@@ -783,7 +891,7 @@ sdb_plugin_register_collector(const char *name, sdb_plugin_collector_cb callback
sdb_log(SDB_LOG_INFO, "core: Registered collector callback '%s' "
"(interval = %.3fs).", cb_name,
- SDB_TIME_TO_DOUBLE(SDB_PLUGIN_CCB(obj)->ccb_interval));
+ SDB_TIME_TO_DOUBLE(CCB(obj)->ccb_interval));
return 0;
} /* sdb_plugin_register_collector */
name, callback, user_data);
} /* sdb_plugin_register_ts_fetcher */
+int
+sdb_plugin_register_writer(const char *name,
+ sdb_store_writer_t *writer, sdb_object_t *user_data)
+{
+ char cb_name[1024];
+ sdb_object_t *obj;
+
+ if ((! name) || (! writer))
+ return -1;
+
+ if (! writer_list)
+ writer_list = sdb_llist_create();
+ if (! writer_list)
+ return -1;
+
+ plugin_get_name(name, cb_name, sizeof(cb_name));
+
+ obj = sdb_object_create(cb_name, writer_type,
+ writer, user_data);
+ if (! obj)
+ return -1;
+
+ if (sdb_llist_append(writer_list, obj)) {
+ sdb_object_deref(obj);
+ return -1;
+ }
+
+ /* pass control to the list */
+ sdb_object_deref(obj);
+
+ sdb_log(SDB_LOG_INFO, "core: Registered store writer callback '%s'.",
+ cb_name);
+ return 0;
+} /* sdb_store_register_writer */
+
+int
+sdb_plugin_register_reader(const char *name,
+ sdb_store_reader_t *reader, sdb_object_t *user_data)
+{
+ char cb_name[1024];
+ sdb_object_t *obj;
+
+ if ((! name) || (! reader))
+ return -1;
+
+ if (! reader_list)
+ reader_list = sdb_llist_create();
+ if (! reader_list)
+ return -1;
+
+ plugin_get_name(name, cb_name, sizeof(cb_name));
+
+ obj = sdb_object_create(cb_name, reader_type,
+ reader, user_data);
+ if (! obj)
+ return -1;
+
+ if (sdb_llist_append(reader_list, obj)) {
+ sdb_object_deref(obj);
+ return -1;
+ }
+
+ /* pass control to the list */
+ sdb_object_deref(obj);
+
+ sdb_log(SDB_LOG_INFO, "core: Registered store reader callback '%s'.",
+ cb_name);
+ return 0;
+} /* sdb_plugin_register_reader */
+
+void
+sdb_plugin_unregister_all(void)
+{
+ size_t i;
+
+ for (i = 0; i < SDB_STATIC_ARRAY_LEN(all_lists); ++i) {
+ const char *type = all_lists[i].type;
+ sdb_llist_t *list = *all_lists[i].list;
+
+ size_t len = sdb_llist_len(list);
+
+ if (! len)
+ continue;
+
+ sdb_llist_clear(list);
+ sdb_log(SDB_LOG_INFO, "core: Unregistered %zu %s callback%s",
+ len, type, len == 1 ? "" : "s");
+ }
+} /* sdb_plugin_unregister_all */
+
sdb_plugin_ctx_t
sdb_plugin_get_ctx(void)
{
int
sdb_plugin_configure(const char *name, oconfig_item_t *ci)
{
- sdb_plugin_cb_t *plugin;
+ callback_t *plugin;
sdb_plugin_config_cb callback;
ctx_t *old_ctx;
if ((! name) || (! ci))
return -1;
- plugin = SDB_PLUGIN_CB(sdb_llist_search_by_name(config_list, name));
+ plugin = CB(sdb_llist_search_by_name(config_list, name));
if (! plugin) {
ctx_t *ctx = CTX(sdb_llist_search_by_name(all_plugins, name));
if (! ctx)
/* deconfigure all plugins */
while (sdb_llist_iter_has_next(iter)) {
- sdb_plugin_cb_t *plugin;
+ callback_t *plugin;
sdb_plugin_config_cb callback;
ctx_t *old_ctx;
- plugin = SDB_PLUGIN_CB(sdb_llist_iter_get_next(iter));
+ plugin = CB(sdb_llist_iter_get_next(iter));
old_ctx = ctx_set(plugin->cb_ctx);
callback = (sdb_plugin_config_cb)plugin->cb_callback;
callback(NULL);
CTX(sdb_llist_iter_get_next(iter))->use_cnt = 0;
sdb_llist_iter_destroy(iter);
- plugin_unregister_all();
+ sdb_plugin_unregister_all();
return 0;
} /* sdb_plugin_reconfigure_init */
iter = sdb_llist_get_iter(init_list);
while (sdb_llist_iter_has_next(iter)) {
- sdb_plugin_cb_t *cb;
+ callback_t *cb;
sdb_plugin_init_cb callback;
ctx_t *old_ctx;
sdb_object_t *obj = sdb_llist_iter_get_next(iter);
assert(obj);
- cb = SDB_PLUGIN_CB(obj);
+ cb = CB(obj);
callback = (sdb_plugin_init_cb)cb->cb_callback;
iter = sdb_llist_get_iter(shutdown_list);
while (sdb_llist_iter_has_next(iter)) {
- sdb_plugin_cb_t *cb;
+ callback_t *cb;
sdb_plugin_shutdown_cb callback;
ctx_t *old_ctx;
sdb_object_t *obj = sdb_llist_iter_get_next(iter);
assert(obj);
- cb = SDB_PLUGIN_CB(obj);
+ cb = CB(obj);
callback = (sdb_plugin_shutdown_cb)cb->cb_callback;
if (! obj)
return -1;
- callback = (sdb_plugin_collector_cb)SDB_PLUGIN_CCB(obj)->ccb_callback;
+ callback = (sdb_plugin_collector_cb)CCB(obj)->ccb_callback;
if (! (now = sdb_gettime())) {
char errbuf[1024];
sdb_log(SDB_LOG_ERR, "core: Failed to determine current "
"time in collector main loop: %s",
sdb_strerror(errno, errbuf, sizeof(errbuf)));
- now = SDB_PLUGIN_CCB(obj)->ccb_next_update;
+ now = CCB(obj)->ccb_next_update;
}
- if (now < SDB_PLUGIN_CCB(obj)->ccb_next_update) {
- interval = SDB_PLUGIN_CCB(obj)->ccb_next_update - now;
+ if (now < CCB(obj)->ccb_next_update) {
+ interval = CCB(obj)->ccb_next_update - now;
errno = 0;
while (loop->do_loop && sdb_sleep(interval, &interval)) {
}
}
- old_ctx = ctx_set(SDB_PLUGIN_CCB(obj)->ccb_ctx);
- if (callback(SDB_PLUGIN_CCB(obj)->ccb_user_data)) {
+ old_ctx = ctx_set(CCB(obj)->ccb_ctx);
+ if (callback(CCB(obj)->ccb_user_data)) {
/* XXX */
}
ctx_set(old_ctx);
- interval = SDB_PLUGIN_CCB(obj)->ccb_interval;
+ interval = CCB(obj)->ccb_interval;
if (! interval)
interval = loop->default_interval;
if (! interval) {
continue;
}
- SDB_PLUGIN_CCB(obj)->ccb_next_update += interval;
+ CCB(obj)->ccb_next_update += interval;
if (! (now = sdb_gettime())) {
char errbuf[1024];
sdb_log(SDB_LOG_ERR, "core: Failed to determine current "
"time in collector main loop: %s",
sdb_strerror(errno, errbuf, sizeof(errbuf)));
- now = SDB_PLUGIN_CCB(obj)->ccb_next_update;
+ now = CCB(obj)->ccb_next_update;
}
- if (now > SDB_PLUGIN_CCB(obj)->ccb_next_update) {
+ if (now > CCB(obj)->ccb_next_update) {
sdb_log(SDB_LOG_WARNING, "core: Plugin '%s' took too "
"long; skipping iterations to keep up.",
obj->name);
- SDB_PLUGIN_CCB(obj)->ccb_next_update = now;
+ CCB(obj)->ccb_next_update = now;
}
if (sdb_llist_insert_sorted(collector_list, obj,
sdb_object_t *obj = sdb_llist_iter_get_next(iter);
assert(obj);
- callback = (sdb_plugin_cname_cb)SDB_PLUGIN_CB(obj)->cb_callback;
- cname = callback(hostname, SDB_PLUGIN_CB(obj)->cb_user_data);
+ callback = (sdb_plugin_cname_cb)CB(obj)->cb_callback;
+ cname = callback(hostname, CB(obj)->cb_user_data);
if (cname) {
free(hostname);
hostname = cname;
sdb_llist_iter_t *iter;
int ret = -1;
- _Bool logged = 0;
+ bool logged = 0;
if (! msg)
return 0;
sdb_object_t *obj = sdb_llist_iter_get_next(iter);
assert(obj);
- callback = (sdb_plugin_log_cb)SDB_PLUGIN_CB(obj)->cb_callback;
- tmp = callback(prio, msg, SDB_PLUGIN_CB(obj)->cb_user_data);
+ callback = (sdb_plugin_log_cb)CB(obj)->cb_callback;
+ tmp = callback(prio, msg, CB(obj)->cb_user_data);
if (tmp > ret)
ret = tmp;
- if (SDB_PLUGIN_CB(obj)->cb_ctx)
+ if (CB(obj)->cb_ctx)
logged = 1;
/* else: this is an internally registered callback */
}
sdb_plugin_fetch_timeseries(const char *type, const char *id,
sdb_timeseries_opts_t *opts)
{
- sdb_plugin_cb_t *plugin;
+ callback_t *plugin;
sdb_plugin_fetch_ts_cb callback;
sdb_timeseries_t *ts;
if ((! type) || (! id) || (! opts))
return NULL;
- plugin = SDB_PLUGIN_CB(sdb_llist_search_by_name(ts_fetcher_list, type));
+ plugin = CB(sdb_llist_search_by_name(ts_fetcher_list, type));
if (! plugin) {
sdb_log(SDB_LOG_ERR, "core: Cannot fetch time-series of type %s: "
- "no such plugin loaded");
+ "no such plugin loaded", type);
errno = ENOENT;
return NULL;
}
return ts;
} /* sdb_plugin_fetch_timeseries */
+int
+sdb_plugin_query(sdb_ast_node_t *ast,
+ sdb_store_writer_t *w, sdb_object_t *wd, sdb_strbuf_t *errbuf)
+{
+ size_t n = sdb_llist_len(reader_list);
+ reader_t *reader;
+ sdb_object_t *q;
+ int status = 0;
+
+ if (! ast)
+ return 0;
+
+ if ((ast->type != SDB_AST_TYPE_FETCH)
+ && (ast->type != SDB_AST_TYPE_LIST)
+ && (ast->type != SDB_AST_TYPE_LOOKUP)) {
+ sdb_log(SDB_LOG_ERR, "core: Cannot execute query of type %s",
+ SDB_AST_TYPE_TO_STRING(ast));
+ sdb_strbuf_sprintf(errbuf, "Cannot execute query of type %s",
+ SDB_AST_TYPE_TO_STRING(ast));
+ return -1;
+ }
+
+ if (n != 1) {
+ char *msg = (n > 0)
+ ? "Cannot execute query: multiple readers not supported"
+ : "Cannot execute query: no readers registered";
+ sdb_strbuf_sprintf(errbuf, "%s", msg);
+ sdb_log(SDB_LOG_ERR, "core: %s", msg);
+ return -1;
+ }
+
+ reader = READER(sdb_llist_get(reader_list, 0));
+ assert(reader);
+
+ q = reader->impl.prepare_query(ast, errbuf, reader->r_user_data);
+ if (q)
+ status = reader->impl.execute_query(q, w, SDB_OBJ(wd),
+ errbuf, reader->r_user_data);
+ else
+ status = -1;
+
+ sdb_object_deref(SDB_OBJ(q));
+ sdb_object_deref(SDB_OBJ(reader));
+ return status;
+} /* sdb_plugin_query */
+
+int
+sdb_plugin_store_host(const char *name, sdb_time_t last_update)
+{
+ sdb_store_host_t host = { 0 };
+ char *backends[1];
+ char *cname;
+
+ sdb_llist_iter_t *iter;
+ int status = 0;
+
+ if (! name)
+ return -1;
+
+ if (! sdb_llist_len(writer_list)) {
+ sdb_log(SDB_LOG_ERR, "core: Cannot store host: "
+ "no writers registered");
+ return -1;
+ }
+
+ cname = sdb_plugin_cname(strdup(name));
+ if (! cname) {
+ sdb_log(SDB_LOG_ERR, "core: strdup failed");
+ return -1;
+ }
+
+ host.name = cname;
+ host.last_update = last_update;
+ host.backends = (const char * const *)backends;
+ get_backend(backends, &host.backends_num);
+
+ iter = sdb_llist_get_iter(writer_list);
+ while (sdb_llist_iter_has_next(iter)) {
+ writer_t *writer = WRITER(sdb_llist_iter_get_next(iter));
+ int s;
+ assert(writer);
+ s = writer->impl.store_host(&host, writer->w_user_data);
+ if (((s > 0) && (status >= 0)) || (s < 0))
+ status = s;
+ }
+ sdb_llist_iter_destroy(iter);
+ free(cname);
+ return status;
+} /* sdb_plugin_store_host */
+
+int
+sdb_plugin_store_service(const char *hostname, const char *name,
+ sdb_time_t last_update)
+{
+ sdb_store_service_t service = { 0 };
+ char *backends[1];
+ char *cname;
+
+ sdb_llist_iter_t *iter;
+ sdb_data_t d;
+
+ int status = 0;
+
+ if ((! hostname) || (! name))
+ return -1;
+
+ if (! sdb_llist_len(writer_list)) {
+ sdb_log(SDB_LOG_ERR, "core: Cannot store service: "
+ "no writers registered");
+ return -1;
+ }
+
+ cname = sdb_plugin_cname(strdup(hostname));
+ if (! cname) {
+ sdb_log(SDB_LOG_ERR, "core: strdup failed");
+ return -1;
+ }
+
+ service.hostname = cname;
+ service.name = name;
+ service.last_update = last_update;
+ service.backends = (const char * const *)backends;
+ get_backend(backends, &service.backends_num);
+
+ iter = sdb_llist_get_iter(writer_list);
+ while (sdb_llist_iter_has_next(iter)) {
+ writer_t *writer = WRITER(sdb_llist_iter_get_next(iter));
+ int s;
+ assert(writer);
+ s = writer->impl.store_service(&service, writer->w_user_data);
+ if (((s > 0) && (status >= 0)) || (s < 0))
+ status = s;
+ }
+ sdb_llist_iter_destroy(iter);
+
+ if (! status) {
+ /* record the hostname as an attribute */
+ d.type = SDB_TYPE_STRING;
+ d.data.string = cname;
+ if (sdb_plugin_store_service_attribute(cname, name,
+ "hostname", &d, last_update))
+ status = -1;
+ }
+
+ free(cname);
+ return status;
+} /* sdb_plugin_store_service */
+
+int
+sdb_plugin_store_metric(const char *hostname, const char *name,
+ sdb_metric_store_t *store, sdb_time_t last_update)
+{
+ sdb_store_metric_t metric = { 0 };
+ char *backends[1];
+ char *cname;
+
+ sdb_llist_iter_t *iter;
+ sdb_data_t d;
+
+ int status = 0;
+
+ if ((! hostname) || (! name))
+ return -1;
+
+ if (! sdb_llist_len(writer_list)) {
+ sdb_log(SDB_LOG_ERR, "core: Cannot store metric: "
+ "no writers registered");
+ return -1;
+ }
+
+ cname = sdb_plugin_cname(strdup(hostname));
+ if (! cname) {
+ sdb_log(SDB_LOG_ERR, "core: strdup failed");
+ return -1;
+ }
+
+ if (store && ((! store->type) || (! store->id)))
+ store = NULL;
+
+ metric.hostname = cname;
+ metric.name = name;
+ if (store) {
+ metric.store.type = store->type;
+ metric.store.id = store->id;
+ }
+ metric.last_update = last_update;
+ metric.backends = (const char * const *)backends;
+ get_backend(backends, &metric.backends_num);
+
+ iter = sdb_llist_get_iter(writer_list);
+ while (sdb_llist_iter_has_next(iter)) {
+ writer_t *writer = WRITER(sdb_llist_iter_get_next(iter));
+ int s;
+ assert(writer);
+ s = writer->impl.store_metric(&metric, writer->w_user_data);
+ if (((s > 0) && (status >= 0)) || (s < 0))
+ status = s;
+ }
+ sdb_llist_iter_destroy(iter);
+
+ if (! status) {
+ /* record the hostname as an attribute */
+ d.type = SDB_TYPE_STRING;
+ d.data.string = cname;
+ if (sdb_plugin_store_metric_attribute(cname, name,
+ "hostname", &d, last_update))
+ status = -1;
+ }
+
+ free(cname);
+ return status;
+} /* sdb_plugin_store_metric */
+
+int
+sdb_plugin_store_attribute(const char *hostname, const char *key,
+ const sdb_data_t *value, sdb_time_t last_update)
+{
+ sdb_store_attribute_t attr = { 0 };
+ char *backends[1];
+ char *cname;
+
+ sdb_llist_iter_t *iter;
+ int status = 0;
+
+ if ((! hostname) || (! key) || (! value))
+ return -1;
+
+ if (! sdb_llist_len(writer_list)) {
+ sdb_log(SDB_LOG_ERR, "core: Cannot store attribute: "
+ "no writers registered");
+ return -1;
+ }
+
+ cname = sdb_plugin_cname(strdup(hostname));
+ if (! cname) {
+ sdb_log(SDB_LOG_ERR, "core: strdup failed");
+ return -1;
+ }
+
+ attr.parent_type = SDB_HOST;
+ attr.parent = cname;
+ attr.key = key;
+ attr.value = *value;
+ attr.last_update = last_update;
+ attr.backends = (const char * const *)backends;
+ get_backend(backends, &attr.backends_num);
+
+ iter = sdb_llist_get_iter(writer_list);
+ while (sdb_llist_iter_has_next(iter)) {
+ writer_t *writer = WRITER(sdb_llist_iter_get_next(iter));
+ int s;
+ assert(writer);
+ s = writer->impl.store_attribute(&attr, writer->w_user_data);
+ if (((s > 0) && (status >= 0)) || (s < 0))
+ status = s;
+ }
+ sdb_llist_iter_destroy(iter);
+ free(cname);
+ return status;
+} /* sdb_plugin_store_attribute */
+
+int
+sdb_plugin_store_service_attribute(const char *hostname, const char *service,
+ const char *key, const sdb_data_t *value, sdb_time_t last_update)
+{
+ sdb_store_attribute_t attr = { 0 };
+ char *backends[1];
+ char *cname;
+
+ sdb_llist_iter_t *iter;
+ int status = 0;
+
+ if ((! hostname) || (! service) || (! key) || (! value))
+ return -1;
+
+ if (! sdb_llist_len(writer_list)) {
+ sdb_log(SDB_LOG_ERR, "core: Cannot store service attribute: "
+ "no writers registered");
+ return -1;
+ }
+
+ cname = sdb_plugin_cname(strdup(hostname));
+ if (! cname) {
+ sdb_log(SDB_LOG_ERR, "core: strdup failed");
+ return -1;
+ }
+
+ attr.hostname = cname;
+ attr.parent_type = SDB_SERVICE;
+ attr.parent = service;
+ attr.key = key;
+ attr.value = *value;
+ attr.last_update = last_update;
+ attr.backends = (const char * const *)backends;
+ get_backend(backends, &attr.backends_num);
+
+ iter = sdb_llist_get_iter(writer_list);
+ while (sdb_llist_iter_has_next(iter)) {
+ writer_t *writer = WRITER(sdb_llist_iter_get_next(iter));
+ int s;
+ assert(writer);
+ s = writer->impl.store_attribute(&attr, writer->w_user_data);
+ if (((s > 0) && (status >= 0)) || (s < 0))
+ status = s;
+ }
+ sdb_llist_iter_destroy(iter);
+ free(cname);
+ return status;
+} /* sdb_plugin_store_service_attribute */
+
+int
+sdb_plugin_store_metric_attribute(const char *hostname, const char *metric,
+ const char *key, const sdb_data_t *value, sdb_time_t last_update)
+{
+ sdb_store_attribute_t attr = { 0 };
+ char *backends[1];
+ char *cname;
+
+ sdb_llist_iter_t *iter;
+ int status = 0;
+
+ if ((! hostname) || (! metric) || (! key) || (! value))
+ return -1;
+
+ if (! sdb_llist_len(writer_list)) {
+ sdb_log(SDB_LOG_ERR, "core: Cannot store metric attribute: "
+ "no writers registered");
+ return -1;
+ }
+
+ cname = sdb_plugin_cname(strdup(hostname));
+ if (! cname) {
+ sdb_log(SDB_LOG_ERR, "core: strdup failed");
+ return -1;
+ }
+
+ attr.hostname = cname;
+ attr.parent_type = SDB_METRIC;
+ attr.parent = metric;
+ attr.key = key;
+ attr.value = *value;
+ attr.last_update = last_update;
+ attr.backends = (const char * const *)backends;
+ get_backend(backends, &attr.backends_num);
+
+ iter = sdb_llist_get_iter(writer_list);
+ while (sdb_llist_iter_has_next(iter)) {
+ writer_t *writer = WRITER(sdb_llist_iter_get_next(iter));
+ int s;
+ assert(writer);
+ s = writer->impl.store_attribute(&attr, writer->w_user_data);
+ if (((s > 0) && (status >= 0)) || (s < 0))
+ status = s;
+ }
+ sdb_llist_iter_destroy(iter);
+ free(cname);
+ return status;
+} /* sdb_plugin_store_metric_attribute */
+
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */