Add HTTP op and resource to length callback

Users might want to know which HTTP operation (i.e., POST or PUT) and/or
resource is being requested before determining whether the request
should be accepted or not.

2 files changed, 7 insertions, 6 deletions

diff --git a/include/libweb/handler.h b/include/libweb/handler.h
index 97fdca0..9dacdbd 100644
--- a/include/libweb/handler.h
+++ b/include/libweb/handler.h
@@ -10,8 +10,8 @@ typedef int (*handler_fn)(const struct http_payload *p,
 struct handler_cfg
 {
     const char *tmpdir;
-    int (*length)(unsigned long long len, const struct http_cookie *c,
-        struct http_response *r, void *user);
+    int (*length)(enum http_op op, const char *res, unsigned long long len,
+        const struct http_cookie *c, struct http_response *r, void *user);
     void *user;
     size_t max_headers;
     struct http_cfg_post post;
diff --git a/include/libweb/http.h b/include/libweb/http.h
index bd7769e..ad4ebcd 100644
--- a/include/libweb/http.h
+++ b/include/libweb/http.h
@@ -115,8 +115,9 @@ struct http_response
 
     union http_step
     {
-        int (*length)(unsigned long long len, const struct http_cookie *c,
-            struct http_response *r, void *user, void *args);
+        int (*length)(enum http_op op, const char *res, unsigned long long len,
+            const struct http_cookie *c, struct http_response *r, void *user,
+            void *args);
         int (*payload)(const struct http_payload *p, struct http_response *r,
             void *user, void *args);
     } step;
@@ -128,8 +129,8 @@ struct http_cfg
     int (*write)(const void *buf, size_t n, void *user);
     int (*payload)(const struct http_payload *p, struct http_response *r,
         void *user);
-    int (*length)(unsigned long long len, const struct http_cookie *c,
-        struct http_response *r, void *user);
+    int (*length)(enum http_op op, const char *res, unsigned long long len,
+        const struct http_cookie *c, struct http_response *r, void *user);
     const char *tmpdir;
     void *user;
     size_t max_headers;