add support for deferring script requests, limit maximum number of script calls to...

[project/uhttpd.git] / uhttpd.h

diff --git a/uhttpd.h b/uhttpd.h
index 9ed6439..807070c 100644 (file)
--- a/uhttpd.h
+++ b/uhttpd.h
@@ -1,20 +1,20 @@
 /*
- * uhttpd - Tiny single-threaded httpd - Main header
+ * uhttpd - Tiny single-threaded httpd
  *
- *   Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
- *   Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *   Copyright (C) 2010-2013 Jo-Philipp Wich <xm@subsignal.org>
+ *   Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
  *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
 #ifndef __UHTTPD_H
@@ -29,6 +29,10 @@
 #include <libubox/ustream.h>
 #include <libubox/blob.h>
 #include <libubox/utils.h>
+#ifdef HAVE_UBUS
+#include <libubus.h>
+#include <json/json.h>
+#endif
 #ifdef HAVE_TLS
 #include <libubox/ustream-ssl.h>
 #endif
@@ -37,8 +41,8 @@
 
 #define UH_LIMIT_CLIENTS       64
 
-#define __enum_header(_name) HDR_##_name,
-#define __blobmsg_header(_name) [HDR_##_name] = { .name = #_name, .type = BLOBMSG_TYPE_STRING },
+#define __enum_header(_name, _val) HDR_##_name,
+#define __blobmsg_header(_name, _val) [HDR_##_name] = { .name = #_val, .type = BLOBMSG_TYPE_STRING },
 
 struct client;
 
@@ -49,12 +53,17 @@ struct config {
        const char *error_handler;
        const char *cgi_prefix;
        const char *cgi_path;
+       const char *lua_handler;
+       const char *lua_prefix;
+       const char *ubus_prefix;
+       const char *ubus_socket;
        int no_symlinks;
        int no_dirlists;
        int network_timeout;
        int rfc1918_filter;
        int tcp_keepalive;
-       int max_requests;
+       int max_script_requests;
+       int max_connections;
        int http_keepalive;
        int script_timeout;
 };
@@ -78,12 +87,26 @@ enum http_version {
        UH_HTTP_VER_1_1,
 };
 
+enum http_user_agent {
+       UH_UA_UNKNOWN,
+       UH_UA_GECKO,
+       UH_UA_CHROME,
+       UH_UA_SAFARI,
+       UH_UA_MSIE,
+       UH_UA_KONQUEROR,
+       UH_UA_OPERA,
+       UH_UA_MSIE_OLD,
+       UH_UA_MSIE_NEW,
+};
+
 struct http_request {
        enum http_method method;
        enum http_version version;
+       enum http_user_agent ua;
        int redirect_status;
        int content_length;
        bool expect_cont;
+       bool connection_close;
        uint8_t transfer_chunked;
        const struct auth_realm *realm;
 };
@@ -143,18 +166,44 @@ struct dispatch_proc {
 
 struct dispatch_handler {
        struct list_head list;
+       bool script;
 
        bool (*check_url)(const char *url);
        bool (*check_path)(struct path_info *pi, const char *url);
-       void (*handle_request)(struct client *cl, const char *url, struct path_info *pi);
+       void (*handle_request)(struct client *cl, char *url, struct path_info *pi);
 };
 
+#ifdef HAVE_UBUS
+struct dispatch_ubus {
+       struct ubus_request req;
+
+       struct uloop_timeout timeout;
+       struct json_tokener *jstok;
+       struct json_object *jsobj;
+       struct json_object *jsobj_cur;
+       int post_len;
+
+       const char *sid;
+       uint32_t obj;
+       const char *func;
+
+       struct blob_buf buf;
+       bool req_pending;
+       bool array;
+       int array_idx;
+};
+#endif
+
 struct dispatch {
        int (*data_send)(struct client *cl, const char *data, int len);
        void (*data_done)(struct client *cl);
        void (*write_cb)(struct client *cl);
        void (*close_fds)(struct client *cl);
        void (*free)(struct client *cl);
+
+       void *req_data;
+       void (*req_free)(struct client *cl);
+
        bool data_blocked;
 
        union {
@@ -163,6 +212,9 @@ struct dispatch {
                        int fd;
                } file;
                struct dispatch_proc proc;
+#ifdef HAVE_UBUS
+               struct dispatch_ubus ubus;
+#endif
        };
 };
 
@@ -176,6 +228,7 @@ struct client {
        struct ustream_ssl ssl;
 #endif
        struct uloop_timeout timeout;
+       int requests;
 
        enum client_state state;
        bool tls;
@@ -235,7 +288,10 @@ void uh_relay_close(struct relay *r, int ret);
 void uh_relay_free(struct relay *r);
 
 struct env_var *uh_get_process_vars(struct client *cl, struct path_info *pi);
-bool uh_create_process(struct client *cl, struct path_info *pi,
-                      void (*cb)(struct client *cl, struct path_info *pi));
+bool uh_create_process(struct client *cl, struct path_info *pi, char *url,
+                      void (*cb)(struct client *cl, struct path_info *pi, char *url));
+
+int uh_plugin_init(const char *name);
+void uh_plugin_post_init(void);
 
 #endif