Initial version.

src/nxt_upstream.h

@@ -0,0 +1,46 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef _NXT_UPSTREAM_H_INCLUDED_
+#define _NXT_UPSTREAM_H_INCLUDED_
+
+
+typedef struct nxt_upstream_peer_s    nxt_upstream_peer_t;
+
+
+struct nxt_upstream_peer_s {
+    /* STUB */
+    void            *upstream;
+    void            *data;
+    /**/
+
+    nxt_sockaddr_t  *sockaddr;
+    nxt_nsec_t      delay;
+
+    uint32_t        tries;
+    in_port_t       port;
+
+    nxt_str_t       addr;
+    nxt_mem_pool_t  *mem_pool;
+    void            (*ready_handler)(nxt_upstream_peer_t *up);
+
+    void            (*protocol_handler)(nxt_upstream_source_t *us);
+};
+
+
+typedef struct {
+    void                        (*ready_handler)(void *data);
+    nxt_work_handler_t          completion_handler;
+    nxt_work_handler_t          error_handler;
+} nxt_upstream_state_t;
+
+
+/* STUB */
+NXT_EXPORT void nxt_upstream_round_robin_peer(nxt_upstream_peer_t *up);
+/**/
+
+
+#endif /* _NXT_UPSTREAM_H_INCLUDED_ */