From 3f8cf62c03a55b9767f0c75b3df6a1a40252b19a Mon Sep 17 00:00:00 2001
From: Zhidao HONG <z.hong@f5.com>
Date: Thu, 28 Jul 2022 11:05:04 +0800
Subject: Log: customizable access log format.

---
 src/nxt_conf_validation.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 80 insertions(+), 1 deletion(-)

(limited to 'src/nxt_conf_validation.c')

diff --git a/src/nxt_conf_validation.c b/src/nxt_conf_validation.c
index 8c532914..3e89d775 100644
--- a/src/nxt_conf_validation.c
+++ b/src/nxt_conf_validation.c
@@ -202,6 +202,8 @@ static nxt_int_t nxt_conf_vldt_server(nxt_conf_validation_t *vldt,
     nxt_str_t *name, nxt_conf_value_t *value);
 static nxt_int_t nxt_conf_vldt_server_weight(nxt_conf_validation_t *vldt,
     nxt_conf_value_t *value, void *data);
+static nxt_int_t nxt_conf_vldt_access_log(nxt_conf_validation_t *vldt,
+    nxt_conf_value_t *value, void *data);
 
 static nxt_int_t nxt_conf_vldt_isolation(nxt_conf_validation_t *vldt,
     nxt_conf_value_t *value, void *data);
@@ -241,6 +243,7 @@ static nxt_conf_vldt_object_t  nxt_conf_vldt_app_namespaces_members[];
 #if (NXT_HAVE_ISOLATION_ROOTFS)
 static nxt_conf_vldt_object_t  nxt_conf_vldt_app_automount_members[];
 #endif
+static nxt_conf_vldt_object_t  nxt_conf_vldt_access_log_members[];
 
 
 static nxt_conf_vldt_object_t  nxt_conf_vldt_root_members[] = {
@@ -270,7 +273,8 @@ static nxt_conf_vldt_object_t  nxt_conf_vldt_root_members[] = {
         .u.object   = nxt_conf_vldt_upstream,
     }, {
         .name       = nxt_string("access_log"),
-        .type       = NXT_CONF_VLDT_STRING,
+        .type       = NXT_CONF_VLDT_STRING | NXT_CONF_VLDT_OBJECT,
+        .validator  = nxt_conf_vldt_access_log,
     },
 
     NXT_CONF_VLDT_END
@@ -1205,6 +1209,19 @@ static nxt_conf_vldt_object_t  nxt_conf_vldt_upstream_server_members[] = {
 };
 
 
+static nxt_conf_vldt_object_t  nxt_conf_vldt_access_log_members[] = {
+    {
+        .name       = nxt_string("path"),
+        .type       = NXT_CONF_VLDT_STRING,
+    }, {
+        .name       = nxt_string("format"),
+        .type       = NXT_CONF_VLDT_STRING,
+    },
+
+    NXT_CONF_VLDT_END
+};
+
+
 nxt_int_t
 nxt_conf_validate(nxt_conf_validation_t *vldt)
 {
@@ -3090,3 +3107,65 @@ nxt_conf_vldt_server_weight(nxt_conf_validation_t *vldt,
 
     return NXT_OK;
 }
+
+
+typedef struct {
+    nxt_str_t  path;
+    nxt_str_t  format;
+} nxt_conf_vldt_access_log_conf_t;
+
+
+static nxt_conf_map_t  nxt_conf_vldt_access_log_map[] = {
+    {
+        nxt_string("path"),
+        NXT_CONF_MAP_STR,
+        offsetof(nxt_conf_vldt_access_log_conf_t, path),
+    },
+
+    {
+        nxt_string("format"),
+        NXT_CONF_MAP_STR,
+        offsetof(nxt_conf_vldt_access_log_conf_t, format),
+    },
+};
+
+
+static nxt_int_t
+nxt_conf_vldt_access_log(nxt_conf_validation_t *vldt, nxt_conf_value_t *value,
+    void *data)
+{
+    nxt_int_t                        ret;
+    nxt_conf_vldt_access_log_conf_t  conf;
+
+    static nxt_str_t  format_str = nxt_string("format");
+
+    if (nxt_conf_type(value) == NXT_CONF_STRING) {
+        return NXT_OK;
+    }
+
+    ret = nxt_conf_vldt_object(vldt, value, nxt_conf_vldt_access_log_members);
+    if (ret != NXT_OK) {
+        return ret;
+    }
+
+    nxt_memzero(&conf, sizeof(nxt_conf_vldt_access_log_conf_t));
+
+    ret = nxt_conf_map_object(vldt->pool, value,
+                              nxt_conf_vldt_access_log_map,
+                              nxt_nitems(nxt_conf_vldt_access_log_map),
+                              &conf);
+    if (ret != NXT_OK) {
+        return ret;
+    }
+
+    if (conf.path.length == 0) {
+        return nxt_conf_vldt_error(vldt,
+                                   "The \"path\" string must not be empty.");
+    }
+
+    if (nxt_is_var(&conf.format)) {
+        return nxt_conf_vldt_var(vldt, &format_str, &conf.format);
+    }
+
+    return NXT_OK;
+}
-- 
cgit