feature: implemented pure C function for the pure FFI version of the ngx.get_phase() API function in lua-resty-core.

Signed-off-by: Yichun Zhang (agentzh) <agentzh@gmail.com>

Author: p0pr0ck5

src/ngx_http_lua_phase.c

@@ -107,4 +107,22 @@ ngx_http_lua_inject_phase_api(lua_State *L)
     lua_setfield(L, -2, "get_phase");
 }
 
+
+#ifndef NGX_LUA_NO_FFI_API
+int
+ngx_http_lua_ffi_get_phase(ngx_http_request_t *r, char **err)
+{
+    ngx_http_lua_ctx_t  *ctx;
+
+    ctx = ngx_http_get_module_ctx(r, ngx_http_lua_module);
+    if (ctx == NULL) {
+        *err = "no request context";
+        return NGX_ERROR;
+    }
+
+    return ctx->context;
+}
+#endif
+
+
 /* vi:set ft=c ts=4 sw=4 et fdm=marker: */