checked in missing files in the last commit.

agentzh · agentzh · commit ec6cd95c2fc5 · 2011-10-02T15:31:23.000-07:00
diff --git a/.gitignore b/.gitignore
@@ -59,6 +59,7 @@ src/rds.h
 src/utils.h
 src/handler.c
 src/handler.h
+src/var.[ch]
 util/bench
 *.html
 trace.out*
diff --git a/src/ngx_http_srcache_var.c b/src/ngx_http_srcache_var.c
@@ -0,0 +1,72 @@
+#ifndef DDEBUG
+#define DDEBUG 0
+#endif
+#include "ddebug.h"
+
+
+#include "ngx_http_srcache_var.h"
+
+
+static ngx_int_t ngx_http_srcache_expire_variable(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data);
+
+
+static ngx_http_variable_t ngx_http_srcache_variables[] = {
+
+    { ngx_string("srcache_expire"), NULL,
+      ngx_http_srcache_expire_variable, 0,
+      0, 0 },
+
+    { ngx_null_string, NULL, NULL, 0, 0, 0 }
+};
+
+
+static ngx_int_t
+ngx_http_srcache_expire_variable(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data)
+{
+    ngx_http_srcache_ctx_t      *ctx;
+    u_char                      *p;
+
+    v->valid = 1;
+    v->no_cacheable = 0;
+    v->not_found = 0;
+
+    ctx = ngx_http_get_module_ctx(r, ngx_http_srcache_filter_module);
+
+    if (ctx->valid_sec == 0) {
+        v->not_found = 1;
+        return NGX_OK;
+    }
+
+    p = ngx_palloc(r->pool, NGX_TIME_T_LEN);
+    if (p == NULL) {
+        return NGX_ERROR;
+    }
+
+    v->data = p;
+    p =  ngx_sprintf(p, "%T", ctx->valid_sec - ngx_time());
+    v->len = p - v->data;
+
+    return NGX_OK;
+}
+
+
+ngx_int_t
+ngx_http_srcache_add_variables(ngx_conf_t *cf)
+{
+    ngx_http_variable_t *var, *v;
+
+    for (v = ngx_http_srcache_variables; v->name.len; v++) {
+        var = ngx_http_add_variable(cf, &v->name, v->flags);
+        if (var == NULL) {
+            return NGX_ERROR;
+        }
+
+        var->get_handler = v->get_handler;
+        var->data = v->data;
+    }
+
+    return NGX_OK;
+}
+
diff --git a/src/ngx_http_srcache_var.h b/src/ngx_http_srcache_var.h
@@ -0,0 +1,12 @@
+#ifndef NGX_HTTP_SRCACHE_VAR_H
+#define NGX_HTTP_SRCACHE_VAR_H
+
+
+#include "ngx_http_srcache_filter_module.h"
+
+
+ngx_int_t ngx_http_srcache_add_variables(ngx_conf_t *cf);
+
+
+#endif /* NGX_HTTP_SRCACHE_VAR_H */
+
