Initial version.

src/nxt_upstream.c

@@ -0,0 +1,43 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+
+
+typedef struct {
+    void   (*peer_get)(nxt_upstream_peer_t *up);
+    void   (*peer_free)(nxt_upstream_peer_t *up);
+} nxt_upstream_name_t;
+
+
+static const nxt_upstream_name_t  nxt_upstream_names[] = {
+
+    { "round_robin", &nxt_upstream_round_robin },
+};
+
+
+void
+nxt_upstream_create(nxt_upstream_peer_t *up)
+{
+    /* TODO: dynamic balancer add & lvlhsh */
+    nxt_upstream_names[0].create(up);
+}
+
+
+void
+nxt_upstream_peer(nxt_upstream_peer_t *up)
+{
+    nxt_upstream_t  *u;
+
+    u = up->upstream;
+
+    if (u != NULL) {
+        u->peer_get(up);
+        return;
+    }
+
+    nxt_upstream_create(up);
+}