store, plugin: Let the plugin module determine an objects backends.

[sysdb.git] / src / core / plugin.c

diff --git a/src/core/plugin.c b/src/core/plugin.c
index 54f3f7f09f7f39f20c17fb0856db21df4fbd3e7d..83ef6ead9cb150aa447515ba60036691eedfd451 100644 (file)
--- a/src/core/plugin.c
+++ b/src/core/plugin.c
@@ -406,8 +406,7 @@ plugin_writer_init(sdb_object_t *obj, va_list ap)
        assert(impl);
 
        if ((! impl->store_host) || (! impl->store_service)
-                       || (! impl->store_metric) || (! impl->store_attribute)
-                       || (! impl->store_service_attr) || (! impl->store_metric_attr)) {
+                       || (! 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);
@@ -662,6 +661,21 @@ plugin_add_callback(sdb_llist_t **list, const char *type,
        return 0;
 } /* plugin_add_callback */
 
+static void
+get_backend(const 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
  */
@@ -1470,6 +1484,8 @@ sdb_plugin_query(sdb_ast_node_t *ast, sdb_strbuf_t *buf, sdb_strbuf_t *errbuf)
 int
 sdb_plugin_store_host(const char *name, sdb_time_t last_update)
 {
+       sdb_store_host_t host = { 0 };
+       const char *backends[1];
        char *cname;
 
        sdb_llist_iter_t *iter;
@@ -1490,12 +1506,17 @@ sdb_plugin_store_host(const char *name, sdb_time_t last_update)
                return -1;
        }
 
+       host.name = cname;
+       host.last_update = last_update;
+       host.backends = backends;
+       get_backend(host.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(cname, last_update, writer->w_user_data);
+               s = writer->impl.store_host(&host, writer->w_user_data);
                if (((s > 0) && (status >= 0)) || (s < 0))
                        status = s;
        }
@@ -1508,10 +1529,13 @@ int
 sdb_plugin_store_service(const char *hostname, const char *name,
                sdb_time_t last_update)
 {
+       sdb_store_service_t service = { 0 };
+       const char *backends[1];
+       char *cname;
+
        sdb_llist_iter_t *iter;
        sdb_data_t d;
 
-       char *cname;
        int status = 0;
 
        if ((! hostname) || (! name))
@@ -1529,13 +1553,18 @@ sdb_plugin_store_service(const char *hostname, const char *name,
                return -1;
        }
 
+       service.hostname = cname;
+       service.name = name;
+       service.last_update = last_update;
+       service.backends = backends;
+       get_backend(service.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(cname, name, last_update,
-                               writer->w_user_data);
+               s = writer->impl.store_service(&service, writer->w_user_data);
                if (((s > 0) && (status >= 0)) || (s < 0))
                        status = s;
        }
@@ -1558,10 +1587,13 @@ 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 };
+       const char *backends[1];
+       char *cname;
+
        sdb_llist_iter_t *iter;
        sdb_data_t d;
 
-       char *cname;
        int status = 0;
 
        if ((! hostname) || (! name))
@@ -1582,13 +1614,22 @@ sdb_plugin_store_metric(const char *hostname, const char *name,
        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 = backends;
+       get_backend(metric.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(cname, name, store, last_update,
-                               writer->w_user_data);
+               s = writer->impl.store_metric(&metric, writer->w_user_data);
                if (((s > 0) && (status >= 0)) || (s < 0))
                        status = s;
        }
@@ -1611,6 +1652,8 @@ 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 };
+       const char *backends[1];
        char *cname;
 
        sdb_llist_iter_t *iter;
@@ -1631,13 +1674,20 @@ sdb_plugin_store_attribute(const char *hostname, const char *key,
                return -1;
        }
 
+       attr.parent_type = SDB_HOST;
+       attr.parent = cname;
+       attr.key = key;
+       attr.value = *value;
+       attr.last_update = last_update;
+       attr.backends = backends;
+       get_backend(attr.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(cname, key, value, last_update,
-                               writer->w_user_data);
+               s = writer->impl.store_attribute(&attr, writer->w_user_data);
                if (((s > 0) && (status >= 0)) || (s < 0))
                        status = s;
        }
@@ -1650,6 +1700,8 @@ 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 };
+       const char *backends[1];
        char *cname;
 
        sdb_llist_iter_t *iter;
@@ -1670,13 +1722,21 @@ sdb_plugin_store_service_attribute(const char *hostname, const char *service,
                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 = backends;
+       get_backend(attr.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_service_attr(cname, service,
-                               key, value, last_update, writer->w_user_data);
+               s = writer->impl.store_attribute(&attr, writer->w_user_data);
                if (((s > 0) && (status >= 0)) || (s < 0))
                        status = s;
        }
@@ -1689,6 +1749,8 @@ 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 };
+       const char *backends[1];
        char *cname;
 
        sdb_llist_iter_t *iter;
@@ -1709,13 +1771,21 @@ sdb_plugin_store_metric_attribute(const char *hostname, const char *metric,
                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 = backends;
+       get_backend(attr.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_metric_attr(cname, metric,
-                               key, value, last_update, writer->w_user_data);
+               s = writer->impl.store_attribute(&attr, writer->w_user_data);
                if (((s > 0) && (status >= 0)) || (s < 0))
                        status = s;
        }