[nginx] Stream: the $bytes_received variable.

[Vladimir Homutov]

details:   http://hg.nginx.org/nginx/rev/5e2821c2de46
branches:  
changeset: 6668:5e2821c2de46
user:      Vladimir Homutov <v...@nginx.com>
date:      Fri Aug 26 15:33:02 2016 +0300
description:
Stream: the $bytes_received variable.

The variable keeps the number of bytes received from the client.

diffstat:

 src/stream/ngx_stream_variables.c |  17 +++++++++++++----
 1 files changed, 13 insertions(+), 4 deletions(-)

diffs (50 lines):

diff -r 33d075b9097d -r 5e2821c2de46 src/stream/ngx_stream_variables.c
--- a/src/stream/ngx_stream_variables.c Mon Aug 15 05:52:04 2016 -0700
+++ b/src/stream/ngx_stream_variables.c Fri Aug 26 15:33:02 2016 +0300
@@ -21,7 +21,7 @@ static ngx_int_t ngx_stream_variable_ser
     ngx_stream_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_stream_variable_server_port(ngx_stream_session_t *s,
     ngx_stream_variable_value_t *v, uintptr_t data);
-static ngx_int_t ngx_stream_variable_bytes_sent(ngx_stream_session_t *s,
+static ngx_int_t ngx_stream_variable_bytes(ngx_stream_session_t *s,
     ngx_stream_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_stream_variable_connection(ngx_stream_session_t *s,
     ngx_stream_variable_value_t *v, uintptr_t data);
@@ -57,9 +57,12 @@ static ngx_stream_variable_t  ngx_stream
     { ngx_string("server_port"), NULL,
       ngx_stream_variable_server_port, 0, 0, 0 },
 
-    { ngx_string("bytes_sent"), NULL, ngx_stream_variable_bytes_sent,
+    { ngx_string("bytes_sent"), NULL, ngx_stream_variable_bytes,
       0, 0, 0 },
 
+    { ngx_string("bytes_received"), NULL, ngx_stream_variable_bytes,
+      1, 0, 0 },
+
     { ngx_string("connection"), NULL,
       ngx_stream_variable_connection, 0, 0, 0 },
 
@@ -461,7 +464,7 @@ ngx_stream_variable_server_port(ngx_stre
 
 
 static ngx_int_t
-ngx_stream_variable_bytes_sent(ngx_stream_session_t *s,
+ngx_stream_variable_bytes(ngx_stream_session_t *s,
     ngx_stream_variable_value_t *v, uintptr_t data)
 {
     u_char  *p;
@@ -471,7 +474,13 @@ ngx_stream_variable_bytes_sent(ngx_strea
         return NGX_ERROR;
     }
 
-    v->len = ngx_sprintf(p, "%O", s->connection->sent) - p;
+    if (data == 1) {
+        v->len = ngx_sprintf(p, "%O", s->received) - p;
+
+    } else {
+        v->len = ngx_sprintf(p, "%O", s->connection->sent) - p;
+    }
+
     v->valid = 1;
     v->no_cacheable = 0;
     v->not_found = 0;

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