Stream: the $status variable.

The stream session status is one of the following:

200 - normal completion
403 - access forbidden
500 - internal server error
502 - bad gateway
503 - limit conn

1 files changed, 23 insertions, 0 deletions

diff --git a/src/stream/ngx_stream_variables.c b/src/stream/ngx_stream_variables.c
index f67d74d52..5fa3ec992 100644
--- a/src/stream/ngx_stream_variables.c
+++ b/src/stream/ngx_stream_variables.c
@@ -25,6 +25,8 @@ 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_session_time(ngx_stream_session_t *s,
     ngx_stream_variable_value_t *v, uintptr_t data);
+static ngx_int_t ngx_stream_variable_status(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);
 
@@ -70,6 +72,9 @@ static ngx_stream_variable_t  ngx_stream_core_variables[] = {
     { ngx_string("session_time"), NULL, ngx_stream_variable_session_time,
       0, NGX_STREAM_VAR_NOCACHEABLE, 0 },
 
+    { ngx_string("status"), NULL, ngx_stream_variable_status,
+      0, NGX_STREAM_VAR_NOCACHEABLE, 0 },
+
     { ngx_string("connection"), NULL,
       ngx_stream_variable_connection, 0, 0, 0 },
 
@@ -530,6 +535,24 @@ ngx_stream_variable_session_time(ngx_stream_session_t *s,
 
 
 static ngx_int_t
+ngx_stream_variable_status(ngx_stream_session_t *s,
+    ngx_stream_variable_value_t *v, uintptr_t data)
+{
+    v->data = ngx_pnalloc(s->connection->pool, NGX_INT_T_LEN);
+    if (v->data == NULL) {
+        return NGX_ERROR;
+    }
+
+    v->len = ngx_sprintf(v->data, "%03ui", s->status) - v->data;
+    v->valid = 1;
+    v->no_cacheable = 0;
+    v->not_found = 0;
+
+    return NGX_OK;
+}
+
+
+static ngx_int_t
 ngx_stream_variable_connection(ngx_stream_session_t *s,
     ngx_stream_variable_value_t *v, uintptr_t data)
 {