details: http://hg.nginx.org/nginx/rev/c6372a40c2a7
branches:
changeset: 6670:c6372a40c2a7
user: Vladimir Homutov <vl@nginx.com>
date: Fri Aug 26 15:33:07 2016 +0300
description:
Stream: the $protocol variable.

The variable keeps protocol used by the client, "TCP" or "UDP".

diffstat:

src/stream/ngx_stream_variables.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)

diffs (43 lines):

diff -r 164a0824ce20 -r c6372a40c2a7 src/stream/ngx_stream_variables.c
--- a/src/stream/ngx_stream_variables.c Fri Aug 26 15:33:04 2016 +0300
+++ b/src/stream/ngx_stream_variables.c Fri Aug 26 15:33:07 2016 +0300
@@ -40,6 +40,8 @@ static ngx_int_t ngx_stream_variable_tim
ngx_stream_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_stream_variable_time_local(ngx_stream_session_t *s,
ngx_stream_variable_value_t *v, uintptr_t data);
+static ngx_int_t ngx_stream_variable_protocol(ngx_stream_session_t *s,
+ ngx_stream_variable_value_t *v, uintptr_t data);


static ngx_stream_variable_t ngx_stream_core_variables[] = {
@@ -89,6 +91,9 @@ static ngx_stream_variable_t ngx_stream
{ ngx_string("time_local"), NULL, ngx_stream_variable_time_local,
0, NGX_STREAM_VAR_NOCACHEABLE, 0 },

+ { ngx_string("protocol"), NULL,
+ ngx_stream_variable_protocol, 0, 0, 0 },
+
{ ngx_null_string, NULL, NULL, 0, 0, 0 }
};

@@ -665,6 +670,20 @@ ngx_stream_variable_time_local(ngx_strea
}


+static ngx_int_t
+ngx_stream_variable_protocol(ngx_stream_session_t *s,
+ ngx_stream_variable_value_t *v, uintptr_t data)
+{
+ v->len = 3;
+ v->valid = 1;
+ v->no_cacheable = 0;
+ v->not_found = 0;
+ v->data = (u_char *) (s->connection->type == SOCK_DGRAM ? "UDP" : "TCP");
+
+ return NGX_OK;
+}
+
+
void *
ngx_stream_map_find(ngx_stream_session_t *s, ngx_stream_map_t *map,
ngx_str_t *match)

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