diff --git a/src/frontend/query.c b/src/frontend/query.c
index fa493a6dd04be5a8139c0cae0485d2bea43703c6..d7476d345d48791f7cac512daca7ebfcfae49782 100644 (file)
--- a/src/frontend/query.c
+++ b/src/frontend/query.c
#include "sysdb.h"
-#include "core/error.h"
#include "core/store.h"
#include "frontend/connection-private.h"
+#include "utils/error.h"
#include "utils/strbuf.h"
#include <errno.h>
+/*
+ * private helper functions
+ */
+
+static int
+lookup_tojson(sdb_store_obj_t *obj, void *user_data)
+{
+ sdb_strbuf_t *buf = user_data;
+ if (sdb_strbuf_len(buf) > 1)
+ sdb_strbuf_append(buf, ",");
+ return sdb_store_host_tojson(obj, buf, /* flags = */ 0);
+} /* lookup_tojson */
+
/*
* public API
*/
+int
+sdb_fe_exec(sdb_conn_t *conn, sdb_conn_node_t *node)
+{
+ if (! node)
+ return -1;
+
+ switch (node->cmd) {
+ case CONNECTION_FETCH:
+ return sdb_fe_fetch(conn, CONN_FETCH(node)->name);
+ case CONNECTION_LIST:
+ return sdb_fe_list(conn);
+ case CONNECTION_LOOKUP:
+ return sdb_fe_lookup(conn, CONN_LOOKUP(node)->matcher->matcher);
+
+ default:
+ sdb_log(SDB_LOG_ERR, "frontend: Unknown command %i", node->cmd);
+ return -1;
+ }
+ return -1;
+} /* sdb_fe_exec */
+
+int
+sdb_fe_fetch(sdb_conn_t *conn, const char *name)
+{
+ sdb_strbuf_t *buf;
+ sdb_store_obj_t *host;
+
+ host = sdb_store_get_host(name);
+ if (! host) {
+ sdb_log(SDB_LOG_DEBUG, "frontend: Failed to fetch host '%s': "
+ "not found", name);
+
+ sdb_strbuf_sprintf(conn->errbuf, "Host %s not found", name);
+ return -1;
+ }
+
+ buf = sdb_strbuf_create(1024);
+ if (! buf) {
+ char errbuf[1024];
+ sdb_log(SDB_LOG_ERR, "frontend: Failed to create "
+ "buffer to handle FETCH command: %s",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+
+ sdb_strbuf_sprintf(conn->errbuf, "Out of memory");
+ sdb_strbuf_destroy(buf);
+ sdb_object_deref(SDB_OBJ(host));
+ return -1;
+ }
+
+ if (sdb_store_host_tojson(host, buf, /* flags = */ 0)) {
+ sdb_log(SDB_LOG_ERR, "frontend: Failed to serialize "
+ "host '%s' to JSON", name);
+ sdb_strbuf_sprintf(conn->errbuf, "Out of memory");
+ sdb_strbuf_destroy(buf);
+ sdb_object_deref(SDB_OBJ(host));
+ return -1;
+ }
+
+ sdb_connection_send(conn, CONNECTION_OK,
+ (uint32_t)sdb_strbuf_len(buf), sdb_strbuf_string(buf));
+ sdb_strbuf_destroy(buf);
+ sdb_object_deref(SDB_OBJ(host));
+ return 0;
+} /* sdb_fe_fetch */
+
int
sdb_fe_list(sdb_conn_t *conn)
{
return -1;
}
- if (sdb_store_tojson(buf)) {
+ if (sdb_store_tojson(buf, /* flags = */ SDB_SKIP_ALL)) {
sdb_log(SDB_LOG_ERR, "frontend: Failed to serialize "
"store to JSON");
sdb_strbuf_sprintf(conn->errbuf, "Out of memory");
(uint32_t)sdb_strbuf_len(buf), sdb_strbuf_string(buf));
sdb_strbuf_destroy(buf);
return 0;
-} /* session_start */
+} /* sdb_fe_list */
+
+int
+sdb_fe_lookup(sdb_conn_t *conn, sdb_store_matcher_t *m)
+{
+ sdb_strbuf_t *buf;
+
+ buf = sdb_strbuf_create(1024);
+ if (! buf) {
+ char errbuf[1024];
+ sdb_log(SDB_LOG_ERR, "frontend: Failed to create "
+ "buffer to handle LOOKUP command: %s",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+
+ sdb_strbuf_sprintf(conn->errbuf, "Out of memory");
+ sdb_strbuf_destroy(buf);
+ return -1;
+ }
+
+ sdb_strbuf_append(buf, "[");
+
+ if (sdb_store_lookup(m, lookup_tojson, buf)) {
+ sdb_log(SDB_LOG_ERR, "frontend: Failed to lookup hosts");
+ sdb_strbuf_sprintf(conn->errbuf, "Failed to lookup hosts");
+ sdb_strbuf_destroy(buf);
+ return -1;
+ }
+
+ sdb_strbuf_append(buf, "]");
+
+ sdb_connection_send(conn, CONNECTION_OK,
+ (uint32_t)sdb_strbuf_len(buf), sdb_strbuf_string(buf));
+ sdb_strbuf_destroy(buf);
+ return 0;
+} /* sdb_fe_lookup */
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */