![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index 803a195e45c31c2233e4348556368ea8b88538b3..349993224ebfe336ad7033d312274ee60ff9b99c 100644 (file)
} sdb_conn_node_t;
#define SDB_CONN_NODE(obj) ((sdb_conn_node_t *)(obj))
+/*
+ * sdb_conn_setup_cb is a callback function used to setup a connection. For
+ * example, it may be used to initialize session information.
+ */
+typedef int (*sdb_conn_setup_cb)(sdb_conn_t *, void *);
+
/*
* sdb_connection_enable_logging:
* Enable logging of connection-related messages to the current client
/*
* sdb_connection_accpet:
* Accept a new connection on the specified file-descriptor 'fd' and return a
- * newly allocated connection object.
+ * newly allocated connection object. If specified, the setup callback is used
+ * to setup the newly created connection. It will receive the connection
+ * object and the specified user data as its arguments.
*
* Returns:
* - 0 on success
* - a negative value else
*/
sdb_conn_t *
-sdb_connection_accept(int fd);
+sdb_connection_accept(int fd, sdb_conn_setup_cb setup, void *user_data);
/*
* sdb_connection_close:
sdb_connection_ping(sdb_conn_t *conn);
/*
- * sdb_fe_parse:
- * Parse the query text specified in 'query' of length 'len' and return a list
- * of parse trees (for each command) to be executed by sdb_fe_exec. The list
- * has to be freed by the caller. If 'len' is less than zero, parse the whole
- * (nul-terminated) string. If specified, errbuf will be used to record parse
- * errors.
- *
- * Returns:
- * - an sdb_llist_t object of sdb_conn_node_t on success
- * - NULL in case of an error
- */
-sdb_llist_t *
-sdb_fe_parse(const char *query, int len, sdb_strbuf_t *errbuf);
-
-/*
- * sdb_fe_exec:
- * Execute the command identified by 'node' on the specified connection.
+ * sdb_connection_server_version:
+ * Send back the backend server version to the connected client.
*
* Returns:
* - 0 on success
* - a negative value else
*/
int
-sdb_fe_exec(sdb_conn_t *conn, sdb_conn_node_t *node);
+sdb_connection_server_version(sdb_conn_t *conn);
/*
* session handling
*/
/*
- * sdb_fe_session_start:
+ * sdb_conn_session_start:
* Start a new user session on the specified connection.
*
* Returns:
* - a negative value else
*/
int
-sdb_fe_session_start(sdb_conn_t *conn);
+sdb_conn_session_start(sdb_conn_t *conn);
/*
* store access
*/
/*
- * sdb_fe_query, sdb_fe_fetch, sdb_fe_list, sdb_fe_lookup, sdb_fe_store:
+ * sdb_conn_query, sdb_conn_fetch, sdb_conn_list, sdb_conn_lookup,
+ * sdb_conn_store:
* Handle the SDB_CONNECTION_QUERY, SDB_CONNECTION_FETCH, SDB_CONNECTION_LIST,
* SDB_CONNECTION_LOOKUP, and SDB_CONNECTION_STORE commands respectively. It
* is expected that the current command has been initialized already.
* - a negative value else
*/
int
-sdb_fe_query(sdb_conn_t *conn);
-int
-sdb_fe_fetch(sdb_conn_t *conn);
-int
-sdb_fe_list(sdb_conn_t *conn);
+sdb_conn_query(sdb_conn_t *conn);
int
-sdb_fe_lookup(sdb_conn_t *conn);
-int
-sdb_fe_store(sdb_conn_t *conn);
-
-/*
- * sdb_fe_exec_fetch:
- * Execute the 'FETCH' command. Send the named object of the specified type,
- * serialized as JSON, to the client. If specified, only objects matching the
- * filter will be included.
- *
- * Returns:
- * - 0 on success
- * - a negative value else
- */
-int
-sdb_fe_exec_fetch(sdb_conn_t *conn, int type,
- const char *hostname, const char *name, sdb_store_matcher_t *filter);
-
-/*
- * sdb_fe_exec_list:
- * Execute the 'LIST' command. Send a complete listing of the store,
- * serialized as JSON, to the client. The listing includes all hosts and the
- * specified object type. If specified, only objects matching the filter will
- * be included.
- *
- * Returns:
- * - 0 on success
- * - a negative value else
- */
+sdb_conn_fetch(sdb_conn_t *conn);
int
-sdb_fe_exec_list(sdb_conn_t *conn, int type, sdb_store_matcher_t *filter);
-
-/*
- * sdb_fe_exec_lookup:
- * Execute the 'LOOKUP' command. Send a list of objects of the specified type
- * matching 'm', serialized as JSON, to the client. If specified, only objects
- * matching the filter will be included.
- *
- * Returns:
- * - 0 on success
- * - a negative value else
- */
+sdb_conn_list(sdb_conn_t *conn);
int
-sdb_fe_exec_lookup(sdb_conn_t *conn, int type,
- sdb_store_matcher_t *m, sdb_store_matcher_t *filter);
-
-/*
- * sdb_fe_exec_timeseries:
- * Execute the 'TIMESERIES' command. Send the time-series for the specified
- * host's metric, serialized as JSON, to the client. See
- * sdb_store_fetch_timeseries for details.
- *
- * Returns:
- * - 0 on success
- * - a negative value else
- */
+sdb_conn_lookup(sdb_conn_t *conn);
int
-sdb_fe_exec_timeseries(sdb_conn_t *conn,
- const char *hostname, const char *metric,
- sdb_timeseries_opts_t *opts);
+sdb_conn_store(sdb_conn_t *conn);
/*
- * sdb_fe_store_host, sdb_fe_store_service, sdb_fe_store_metric,
- * sdb_fe_store_attribute:
+ * sdb_conn_store_host, sdb_conn_store_service, sdb_conn_store_metric,
+ * sdb_conn_store_attribute:
* Execute the 'STORE' command for the respective object type.
*
* Returns:
* - a negative value else
*/
int
-sdb_fe_store_host(sdb_conn_t *conn, const sdb_proto_host_t *host);
+sdb_conn_store_host(sdb_conn_t *conn, const sdb_proto_host_t *host);
int
-sdb_fe_store_service(sdb_conn_t *conn, const sdb_proto_service_t *svc);
+sdb_conn_store_service(sdb_conn_t *conn, const sdb_proto_service_t *svc);
int
-sdb_fe_store_metric(sdb_conn_t *conn, const sdb_proto_metric_t *metric);
+sdb_conn_store_metric(sdb_conn_t *conn, const sdb_proto_metric_t *metric);
int
-sdb_fe_store_attribute(sdb_conn_t *conn, const sdb_proto_attribute_t *attr);
+sdb_conn_store_attribute(sdb_conn_t *conn, const sdb_proto_attribute_t *attr);
#ifdef __cplusplus
} /* extern "C" */