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-rw-r--r--app/nginx/src/stream/ngx_stream_upstream.h154
1 files changed, 154 insertions, 0 deletions
diff --git a/app/nginx/src/stream/ngx_stream_upstream.h b/app/nginx/src/stream/ngx_stream_upstream.h
new file mode 100644
index 0000000..90076e0
--- /dev/null
+++ b/app/nginx/src/stream/ngx_stream_upstream.h
@@ -0,0 +1,154 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#ifndef _NGX_STREAM_UPSTREAM_H_INCLUDED_
+#define _NGX_STREAM_UPSTREAM_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_stream.h>
+#include <ngx_event_connect.h>
+
+
+#define NGX_STREAM_UPSTREAM_CREATE 0x0001
+#define NGX_STREAM_UPSTREAM_WEIGHT 0x0002
+#define NGX_STREAM_UPSTREAM_MAX_FAILS 0x0004
+#define NGX_STREAM_UPSTREAM_FAIL_TIMEOUT 0x0008
+#define NGX_STREAM_UPSTREAM_DOWN 0x0010
+#define NGX_STREAM_UPSTREAM_BACKUP 0x0020
+#define NGX_STREAM_UPSTREAM_MAX_CONNS 0x0100
+
+
+#define NGX_STREAM_UPSTREAM_NOTIFY_CONNECT 0x1
+
+
+typedef struct {
+ ngx_array_t upstreams;
+ /* ngx_stream_upstream_srv_conf_t */
+} ngx_stream_upstream_main_conf_t;
+
+
+typedef struct ngx_stream_upstream_srv_conf_s ngx_stream_upstream_srv_conf_t;
+
+
+typedef ngx_int_t (*ngx_stream_upstream_init_pt)(ngx_conf_t *cf,
+ ngx_stream_upstream_srv_conf_t *us);
+typedef ngx_int_t (*ngx_stream_upstream_init_peer_pt)(ngx_stream_session_t *s,
+ ngx_stream_upstream_srv_conf_t *us);
+
+
+typedef struct {
+ ngx_stream_upstream_init_pt init_upstream;
+ ngx_stream_upstream_init_peer_pt init;
+ void *data;
+} ngx_stream_upstream_peer_t;
+
+
+typedef struct {
+ ngx_str_t name;
+ ngx_addr_t *addrs;
+ ngx_uint_t naddrs;
+ ngx_uint_t weight;
+ ngx_uint_t max_conns;
+ ngx_uint_t max_fails;
+ time_t fail_timeout;
+ ngx_msec_t slow_start;
+
+ unsigned down:1;
+ unsigned backup:1;
+
+ NGX_COMPAT_BEGIN(4)
+ NGX_COMPAT_END
+} ngx_stream_upstream_server_t;
+
+
+struct ngx_stream_upstream_srv_conf_s {
+ ngx_stream_upstream_peer_t peer;
+ void **srv_conf;
+
+ ngx_array_t *servers;
+ /* ngx_stream_upstream_server_t */
+
+ ngx_uint_t flags;
+ ngx_str_t host;
+ u_char *file_name;
+ ngx_uint_t line;
+ in_port_t port;
+ ngx_uint_t no_port; /* unsigned no_port:1 */
+
+#if (NGX_STREAM_UPSTREAM_ZONE)
+ ngx_shm_zone_t *shm_zone;
+#endif
+};
+
+
+typedef struct {
+ ngx_msec_t response_time;
+ ngx_msec_t connect_time;
+ ngx_msec_t first_byte_time;
+ off_t bytes_sent;
+ off_t bytes_received;
+
+ ngx_str_t *peer;
+} ngx_stream_upstream_state_t;
+
+
+typedef struct {
+ ngx_str_t host;
+ in_port_t port;
+ ngx_uint_t no_port; /* unsigned no_port:1 */
+
+ ngx_uint_t naddrs;
+ ngx_resolver_addr_t *addrs;
+
+ struct sockaddr *sockaddr;
+ socklen_t socklen;
+ ngx_str_t name;
+
+ ngx_resolver_ctx_t *ctx;
+} ngx_stream_upstream_resolved_t;
+
+
+typedef struct {
+ ngx_peer_connection_t peer;
+
+ ngx_buf_t downstream_buf;
+ ngx_buf_t upstream_buf;
+
+ ngx_chain_t *free;
+ ngx_chain_t *upstream_out;
+ ngx_chain_t *upstream_busy;
+ ngx_chain_t *downstream_out;
+ ngx_chain_t *downstream_busy;
+
+ off_t received;
+ time_t start_sec;
+ ngx_uint_t responses;
+
+ ngx_str_t ssl_name;
+
+ ngx_stream_upstream_srv_conf_t *upstream;
+ ngx_stream_upstream_resolved_t *resolved;
+ ngx_stream_upstream_state_t *state;
+ unsigned connected:1;
+ unsigned proxy_protocol:1;
+} ngx_stream_upstream_t;
+
+
+ngx_stream_upstream_srv_conf_t *ngx_stream_upstream_add(ngx_conf_t *cf,
+ ngx_url_t *u, ngx_uint_t flags);
+
+
+#define ngx_stream_conf_upstream_srv_conf(uscf, module) \
+ uscf->srv_conf[module.ctx_index]
+
+
+extern ngx_module_t ngx_stream_upstream_module;
+
+
+#endif /* _NGX_STREAM_UPSTREAM_H_INCLUDED_ */