Introducing websocket support in router and libunit.

src/nxt_router_request.h

@@ -0,0 +1,71 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef _NXT_ROUTER_REQUEST_H_INCLUDED_
+#define _NXT_ROUTER_REQUEST_H_INCLUDED_
+
+
+typedef struct nxt_msg_info_s {
+    nxt_buf_t                 *buf;
+    nxt_port_mmap_tracking_t  tracking;
+    nxt_work_handler_t        completion_handler;
+} nxt_msg_info_t;
+
+
+typedef struct nxt_request_app_link_s  nxt_request_app_link_t;
+
+
+typedef enum {
+    NXT_APR_NEW_PORT,
+    NXT_APR_REQUEST_FAILED,
+    NXT_APR_GOT_RESPONSE,
+    NXT_APR_UPGRADE,
+    NXT_APR_CLOSE,
+} nxt_apr_action_t;
+
+
+typedef struct {
+    uint32_t                stream;
+    nxt_app_t               *app;
+
+    nxt_port_t              *app_port;
+    nxt_apr_action_t        apr_action;
+
+    nxt_http_request_t      *request;
+    nxt_msg_info_t          msg_info;
+    nxt_request_app_link_t  *req_app_link;
+} nxt_request_rpc_data_t;
+
+
+struct nxt_request_app_link_s {
+    uint32_t                stream;
+    nxt_atomic_t            use_count;
+
+    nxt_port_t              *app_port;
+    nxt_apr_action_t        apr_action;
+
+    nxt_port_t              *reply_port;
+    nxt_http_request_t      *request;
+    nxt_msg_info_t          msg_info;
+    nxt_request_rpc_data_t  *req_rpc_data;
+
+    nxt_nsec_t              res_time;
+
+    nxt_queue_link_t        link_app_requests; /* for nxt_app_t.requests */
+    /* for nxt_port_t.pending_requests */
+    nxt_queue_link_t        link_port_pending;
+    nxt_queue_link_t        link_app_pending;  /* for nxt_app_t.pending */
+    /* for nxt_port_t.active_websockets */
+    nxt_queue_link_t        link_port_websockets;
+
+    nxt_mp_t                *mem_pool;
+    nxt_work_t              work;
+
+    int                     err_code;
+    const char              *err_str;
+};
+
+
+#endif /* _NXT_ROUTER_REQUEST_H_INCLUDED_ */