Bump mongoose version to 6.11

PUBLISHED_FROM=92604e1b7c65009a6214fea9f1b2460df721d38e

.mbedignore

@@ -0,0 +1,9 @@
+binary/
+deps/
+docker/
+docs/
+examples/
+platforms/
+src/
+test/
+multilingual/

README.md

@@ -8,18 +8,18 @@ used by vast number of open source and
 commercial products - it even runs on the International Space station!
 Mongoose makes embedded network programming fast, robust, and easy.
 
-- [Download Mongoose Source Code here](https://www.cesanta.com)
+- [Download Mongoose Source Code here](https://www.cesanta.com/download.html)
 
 Looking for a complete IoT firmware solution?
 
-Check out [Mongoose OS](https://mongoose-iot.com) - open source embedded operating system for low-power connected microcontrollers. Secure, designed for Internet of Things, complete environment for prototyping, development and managing.
+Check out [Mongoose OS](https://mongoose-os.com) - open source embedded operating system for low-power connected microcontrollers. Secure, designed for Internet of Things, complete environment for prototyping, development and managing.
 
 # Support
 - [Study mongoose example code](https://github.com/cesanta/mongoose/tree/master/examples)
-- [Read User Guide and API reference](https://docs.cesanta.com/mongoose)
+- [Read User Guide and API reference](https://cesanta.com/docs/overview/intro.html)
-- [Support Forum - ask your technical questions here] (http://forum.cesanta.com/index.php?p=/categories/mongoose)
+- [Support Forum - ask your technical questions here](https://forum.mongoose-os.com/categories/mongoose)
-- [Commercial licensing and support available] (https://www.cesanta.com/services-support)
+- [Commercial licensing and support available](https://www.cesanta.com/licensing.html)
-- [Check our latest releases] (https://github.com/cesanta/mongoose/releases)
+- [Check our latest releases](https://github.com/cesanta/mongoose/releases)
 
 # Features
 
@@ -47,7 +47,7 @@ Check out [Mongoose OS](https://mongoose-iot.com) - open source embedded operati
 
 Mongoose is released under Commercial and [GNU GPL v.2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) open source licenses.
 
-Commercial Projects: [Contact us for commercial license.] (https://www.cesanta.com/contact)
+Commercial Projects: [Contact us for commercial license.](https://www.cesanta.com/contact.html)
 
 # Dashboard Example
 
@@ -55,18 +55,14 @@ Mongoose is often used to implement device dashboards and real-time
 data exchange over Websocket. Here is a dashboard example that illustrates
 the functionality:
 
-![](http://www.cesanta.com/hubfs/www.cesanta.com/diagrams/dash_mongoose_diagram.png)
+![](http://www.cesanta.com/images/dashboard.png)
 
-[Developing a new product? Contact us today to discuss how Mongoose can help.
+[Developing a new product? Contact us today to discuss how Mongoose can help.](https://www.cesanta.com/contact.html)
-](https://www.cesanta.com/contact)
 
 # Contributions
 
-To submit contributions, sign
+To submit contributions, sign [Cesanta CLA](https://cesanta.com/cla.html)
-[Cesanta CLA](https://docs.cesanta.com/contributors_la.shtml)
 and send GitHub pull request. You retain the copyright on your contributions.
 
 # Looking for a pre-compiled Mongoose web server Windows or Mac binary?
-- [Download pre-compiled Mongoose web server binary.](https://www.cesanta.com/products/binary)
+- [Download pre-compiled Mongoose web server binary.](https://www.cesanta.com/binary.html)
-
-[![Analytics](https://ga-beacon.appspot.com/UA-42732794-5/project-page)](https://github.com/cesanta/mongoose)

docs/c-api/http.h/mg_connect_ws_opt.md

@@ -1,17 +0,0 @@
----
-title: "mg_connect_ws_opt()"
-decl_name: "mg_connect_ws_opt"
-symbol_kind: "func"
-signature: |
-  struct mg_connection *mg_connect_ws_opt(struct mg_mgr *mgr,
-                                          mg_event_handler_t ev_handler,
-                                          struct mg_connect_opts opts,
-                                          const char *url, const char *protocol,
-                                          const char *extra_headers);
----
-
-Helper function that creates an outbound WebSocket connection
-
-Mostly identical to `mg_connect_ws`, but allows to provide extra parameters
-(for example, SSL parameters) 
-

docs/c-api/http_client.h/mg_connect_http_opt.md

@@ -1,19 +0,0 @@
----
-title: "mg_connect_http_opt()"
-decl_name: "mg_connect_http_opt"
-symbol_kind: "func"
-signature: |
-  struct mg_connection *mg_connect_http_opt(struct mg_mgr *mgr,
-                                            mg_event_handler_t ev_handler,
-                                            struct mg_connect_opts opts,
-                                            const char *url,
-                                            const char *extra_headers,
-                                            const char *post_data);
----
-
-Helper function that creates an outbound HTTP connection.
-
-Mostly identical to mg_connect_http, but allows you to provide extra
-*parameters
-(for example, SSL parameters) 
-

docs/c-api/http_server.h/mg_http_parse_header.md

@@ -1,23 +0,0 @@
----
-title: "mg_http_parse_header()"
-decl_name: "mg_http_parse_header"
-symbol_kind: "func"
-signature: |
-  int mg_http_parse_header(struct mg_str *hdr, const char *var_name, char *buf,
-                           size_t buf_size);
----
-
-Parses the HTTP header `hdr`. Finds variable `var_name` and stores its value
-in the buffer `buf`, `buf_size`. Returns 0 if variable not found, non-zero
-otherwise.
-
-This function is supposed to parse cookies, authentication headers, etc.
-Example (error handling omitted):
-
-    char user[20];
-    struct mg_str *hdr = mg_get_http_header(hm, "Authorization");
-    mg_http_parse_header(hdr, "username", user, sizeof(user));
-
-Returns the length of the variable's value. If buffer is not large enough,
-or variable not found, 0 is returned. 
-

docs/c-api/intro.md

@@ -1,16 +1,16 @@
 ---
 items:
   - { name: mbuf.h }
-  - { name: net.h }
+  - { name: mg_net.h }
-  - { name: http.h }
+  - { name: mg_http.h }
-  - { name: http_server.h }
+  - { name: mg_http_server.h }
-  - { name: http_client.h }
+  - { name: mg_http_client.h }
-  - { name: dns.h }
+  - { name: mg_dns.h }
-  - { name: dns_server.h }
+  - { name: mg_dns_server.h }
-  - { name: resolv.h }
+  - { name: mg_resolv.h }
-  - { name: mqtt.h }
+  - { name: mg_mqtt.h }
-  - { name: mqtt_server.h }
+  - { name: mg_mqtt_server.h }
-  - { name: coap.h }
+  - { name: mg_coap.h }
-  - { name: util.h }
+  - { name: mg_util.h }
-  - { name: uri.h }
+  - { name: mg_uri.h }
 ---

docs/c-api/mg_coap.h/intro.md

@@ -1,7 +1,7 @@
 ---
 title: "CoAP API reference"
 symbol_kind: "intro"
-decl_name: "coap.h"
+decl_name: "mg_coap.h"
 items:
   - { name: mg_coap_add_option.md }
   - { name: mg_coap_compose.md }

docs/c-api/mg_coap.h/mg_coap_free_options.md

@@ -7,5 +7,5 @@ signature: |
 ---
 
 Frees the memory allocated for options.
-If the cm paramater doesn't contain any option it does nothing. 
+If the cm parameter doesn't contain any option it does nothing. 
 

docs/c-api/mg_dns.h/intro.md

@@ -1,7 +1,7 @@
 ---
 title: "DNS API reference"
 symbol_kind: "intro"
-decl_name: "dns.h"
+decl_name: "mg_dns.h"
 items:
   - { name: mg_dns_copy_questions.md }
   - { name: mg_dns_encode_name.md }

docs/c-api/mg_dns.h/mg_dns_encode_record.md

@@ -21,5 +21,5 @@ This function doesn't update the `name` and `rdata` pointers in the `rr`
 struct because they might be invalidated as soon as the IO buffer grows
 again.
 
-Returns the number of bytes appened or -1 in case of error. 
+Returns the number of bytes appended or -1 in case of error. 
 

docs/c-api/mg_dns_server.h/intro.md

@@ -1,7 +1,7 @@
 ---
 title: "DNS server API reference"
 symbol_kind: "intro"
-decl_name: "dns_server.h"
+decl_name: "mg_dns_server.h"
 items:
   - { name: mg_dns_create_reply.md }
   - { name: mg_dns_reply_record.md }

docs/c-api/mg_http.h/intro.md

@@ -1,16 +1,19 @@
 ---
 title: "Common API reference"
 symbol_kind: "intro"
-decl_name: "http.h"
+decl_name: "mg_http.h"
 items:
   - { name: mg_connect_ws.md }
   - { name: mg_connect_ws_opt.md }
+  - { name: mg_http_is_authorized.md }
+  - { name: mg_http_send_digest_auth_request.md }
   - { name: mg_printf_websocket_frame.md }
   - { name: mg_send_websocket_frame.md }
   - { name: mg_send_websocket_framev.md }
   - { name: mg_send_websocket_handshake.md }
   - { name: mg_send_websocket_handshake2.md }
   - { name: mg_send_websocket_handshake3.md }
+  - { name: mg_send_websocket_handshake3v.md }
   - { name: mg_set_protocol_http_websocket.md }
   - { name: mg_url_decode.md }
   - { name: struct_http_message.md }

docs/c-api/mg_http.h/mg_connect_ws.md

@@ -4,9 +4,8 @@ decl_name: "mg_connect_ws"
 symbol_kind: "func"
 signature: |
   struct mg_connection *mg_connect_ws(struct mg_mgr *mgr,
-                                      mg_event_handler_t event_handler,
+                                      MG_CB(mg_event_handler_t event_handler,
-                                      const char *url, const char *protocol,
+                                            void *user_data);
-                                      const char *extra_headers);
 ---
 
 Helper function that creates an outbound WebSocket connection.

docs/c-api/mg_http.h/mg_connect_ws_opt.md

@@ -0,0 +1,14 @@
+---
+title: "mg_connect_ws_opt()"
+decl_name: "mg_connect_ws_opt"
+symbol_kind: "func"
+signature: |
+  struct mg_connection *mg_connect_ws_opt(
+      struct mg_mgr *mgr, MG_CB(mg_event_handler_t ev_handler, void *user_data);
+---
+
+Helper function that creates an outbound WebSocket connection
+
+Mostly identical to `mg_connect_ws`, but allows to provide extra parameters
+(for example, SSL parameters) 
+

docs/c-api/mg_http.h/mg_http_is_authorized.md

@@ -0,0 +1,16 @@
+---
+title: "mg_http_is_authorized()"
+decl_name: "mg_http_is_authorized"
+symbol_kind: "func"
+signature: |
+  int mg_http_is_authorized(struct http_message *hm, struct mg_str path,
+                            const char *domain, const char *passwords_file,
+                            int flags);
+---
+
+Checks whether an http request is authorized. `domain` is the authentication
+realm, `passwords_file` is a htdigest file (can be created e.g. with
+`htdigest` utility). If either `domain` or `passwords_file` is NULL, this
+function always returns 1; otherwise checks the authentication in the
+http request and returns 1 only if there is a match; 0 otherwise. 
+

docs/c-api/mg_http.h/mg_http_send_digest_auth_request.md

@@ -0,0 +1,11 @@
+---
+title: "mg_http_send_digest_auth_request()"
+decl_name: "mg_http_send_digest_auth_request"
+symbol_kind: "func"
+signature: |
+  void mg_http_send_digest_auth_request(struct mg_connection *c,
+                                        const char *domain);
+---
+
+Sends 401 Unauthorized response. 
+

docs/c-api/mg_http.h/mg_send_websocket_framev.md

@@ -7,7 +7,6 @@ signature: |
                                 const struct mg_str *strings, int num_strings);
 ---
 
-Sends multiple websocket frames.
+Like `mg_send_websocket_frame()`, but composes a single frame from multiple
-
+buffers. 
-Like `mg_send_websocket_frame()`, but composes a frame from multiple buffers. 
 

docs/c-api/mg_http.h/mg_send_websocket_handshake3v.md

@@ -0,0 +1,17 @@
+---
+title: "mg_send_websocket_handshake3v()"
+decl_name: "mg_send_websocket_handshake3v"
+symbol_kind: "func"
+signature: |
+  void mg_send_websocket_handshake3v(struct mg_connection *nc,
+                                     const struct mg_str path,
+                                     const struct mg_str host,
+                                     const struct mg_str protocol,
+                                     const struct mg_str extra_headers,
+                                     const struct mg_str user,
+                                     const struct mg_str pass);
+---
+
+Same as mg_send_websocket_handshake3 but with strings not necessarily
+NUL-temrinated 
+

docs/c-api/mg_http.h/mg_url_decode.md

@@ -13,6 +13,7 @@ Source string is specified by (`src`, `src_len`), and destination is
 (`dst`, `dst_len`). If `is_form_url_encoded` is non-zero, then
 `+` character is decoded as a blank space character. This function
 guarantees to NUL-terminate the destination. If destination is too small,
-then the source string is partially decoded and `-1` is returned. Otherwise,
+then the source string is partially decoded and `-1` is returned.
+*Otherwise,
 a length of the decoded string is returned, not counting final NUL. 
 

docs/c-api/mg_http.h/struct_http_message.md

@@ -5,6 +5,7 @@ symbol_kind: "struct"
 signature: |
   struct http_message {
     struct mg_str message; /* Whole message: request line + headers + body */
+    struct mg_str body;    /* Message body. 0-length for requests with no body */
   
     /* HTTP Request line (or HTTP response line) */
     struct mg_str method; /* "GET" */
@@ -28,9 +29,6 @@ signature: |
     /* Headers */
     struct mg_str header_names[MG_MAX_HTTP_HEADERS];
     struct mg_str header_values[MG_MAX_HTTP_HEADERS];
-  
-    /* Message body */
-    struct mg_str body; /* Zero-length for requests with no body */
   };
 ---
 

docs/c-api/mg_http_client.h/intro.md

@@ -1,7 +1,7 @@
 ---
 title: "Client API reference"
 symbol_kind: "intro"
-decl_name: "http_client.h"
+decl_name: "mg_http_client.h"
 items:
   - { name: mg_connect_http.md }
   - { name: mg_connect_http_opt.md }

docs/c-api/mg_http_client.h/mg_connect_http.md

@@ -3,11 +3,9 @@ title: "mg_connect_http()"
 decl_name: "mg_connect_http"
 symbol_kind: "func"
 signature: |
-  struct mg_connection *mg_connect_http(struct mg_mgr *mgr,
+  struct mg_connection *mg_connect_http(
-                                        mg_event_handler_t event_handler,
+      struct mg_mgr *mgr,
-                                        const char *url,
+      MG_CB(mg_event_handler_t event_handler, void *user_data);
-                                        const char *extra_headers,
-                                        const char *post_data);
 ---
 
 Helper function that creates an outbound HTTP connection.

docs/c-api/mg_http_client.h/mg_connect_http_opt.md

@@ -0,0 +1,15 @@
+---
+title: "mg_connect_http_opt()"
+decl_name: "mg_connect_http_opt"
+symbol_kind: "func"
+signature: |
+  struct mg_connection *mg_connect_http_opt(
+      struct mg_mgr *mgr, MG_CB(mg_event_handler_t ev_handler, void *user_data);
+---
+
+Helper function that creates an outbound HTTP connection.
+
+Mostly identical to mg_connect_http, but allows you to provide extra
+*parameters
+(for example, SSL parameters) 
+

docs/c-api/mg_http_client.h/mg_http_create_digest_auth_header.md

@@ -6,7 +6,7 @@ signature: |
   int mg_http_create_digest_auth_header(char *buf, size_t buf_len,
                                         const char *method, const char *uri,
                                         const char *auth_domain, const char *user,
-                                        const char *passwd);
+                                        const char *passwd, const char *nonce);
 ---
 
 Creates digest authentication header for a client request. 

docs/c-api/mg_http_server.h/intro.md

@@ -1,14 +1,16 @@
 ---
 title: "Server API reference"
 symbol_kind: "intro"
-decl_name: "http_server.h"
+decl_name: "mg_http_server.h"
 items:
+  - { name: mg_check_digest_auth.md }
   - { name: mg_file_upload_handler.md }
   - { name: mg_get_http_basic_auth.md }
   - { name: mg_get_http_header.md }
   - { name: mg_get_http_var.md }
   - { name: mg_http_check_digest_auth.md }
   - { name: mg_http_parse_header.md }
+  - { name: mg_http_parse_header2.md }
   - { name: mg_http_reverse_proxy.md }
   - { name: mg_http_send_error.md }
   - { name: mg_http_send_redirect.md }

docs/c-api/mg_http_server.h/mg_check_digest_auth.md

@@ -0,0 +1,17 @@
+---
+title: "mg_check_digest_auth()"
+decl_name: "mg_check_digest_auth"
+symbol_kind: "func"
+signature: |
+  int mg_check_digest_auth(struct mg_str method, struct mg_str uri,
+                           struct mg_str username, struct mg_str cnonce,
+                           struct mg_str response, struct mg_str qop,
+                           struct mg_str nc, struct mg_str nonce,
+                           struct mg_str auth_domain, FILE *fp);
+---
+
+Authenticates given response params against an opened password file.
+Returns 1 if authenticated, 0 otherwise.
+
+It's used by mg_http_check_digest_auth(). 
+

docs/c-api/mg_http_server.h/mg_file_upload_handler.md

@@ -4,7 +4,8 @@ decl_name: "mg_file_upload_handler"
 symbol_kind: "func"
 signature: |
   void mg_file_upload_handler(struct mg_connection *nc, int ev, void *ev_data,
-                              mg_fu_fname_fn local_name_fn);
+                              mg_fu_fname_fn local_name_fn
+                                  MG_UD_ARG(void *user_data);
 ---
 
 File upload handler.

docs/c-api/mg_http_server.h/mg_get_http_var.md

@@ -12,5 +12,6 @@ Fetches a HTTP form variable.
 Fetches a variable `name` from a `buf` into a buffer specified by `dst`,
 `dst_len`. The destination is always zero-terminated. Returns the length of
 a fetched variable. If not found, 0 is returned. `buf` must be valid
-url-encoded buffer. If destination is too small, `-1` is returned. 
+url-encoded buffer. If destination is too small or an error occured,
+negative number is returned. 
 

docs/c-api/mg_http_server.h/mg_http_parse_header.md

@@ -0,0 +1,15 @@
+---
+title: "mg_http_parse_header()"
+decl_name: "mg_http_parse_header"
+symbol_kind: "func"
+signature: |
+  int mg_http_parse_header(struct mg_str *hdr, const char *var_name, char *buf,
+                           size_t buf_size);
+---
+
+DEPRECATED: use mg_http_parse_header2() instead.
+
+Same as mg_http_parse_header2(), but takes buffer as a `char *` (instead of
+`char **`), and thus it cannot allocate a new buffer if the provided one
+is not enough, and just returns 0 in that case. 
+

docs/c-api/mg_http_server.h/mg_http_parse_header2.md

@@ -0,0 +1,30 @@
+---
+title: "mg_http_parse_header2()"
+decl_name: "mg_http_parse_header2"
+symbol_kind: "func"
+signature: |
+  int mg_http_parse_header2(struct mg_str *hdr, const char *var_name, char **buf,
+                            size_t buf_size);
+---
+
+Parses the HTTP header `hdr`. Finds variable `var_name` and stores its value
+in the buffer `*buf`, `buf_size`. If the buffer size is not enough,
+allocates a buffer of required size and writes it to `*buf`, similar to
+asprintf(). The caller should always check whether the buffer was updated,
+and free it if so.
+
+This function is supposed to parse cookies, authentication headers, etc.
+Example (error handling omitted):
+
+    char user_buf[20];
+    char *user = user_buf;
+    struct mg_str *hdr = mg_get_http_header(hm, "Authorization");
+    mg_http_parse_header2(hdr, "username", &user, sizeof(user_buf));
+    // ... do something useful with user
+    if (user != user_buf) {
+      free(user);
+    }
+
+Returns the length of the variable's value. If variable is not found, 0 is
+returned. 
+

docs/c-api/mg_http_server.h/mg_http_send_redirect.md

@@ -12,7 +12,7 @@ Sends a redirect response.
 `status_code` should be either 301 or 302 and `location` point to the
 new location.
 If `extra_headers` is not empty, then `extra_headers` are also sent
-after the reponse line. `extra_headers` must NOT end end with new line.
+after the response line. `extra_headers` must NOT end end with new line.
 
 Example:
 

docs/c-api/mg_http_server.h/mg_register_http_endpoint.md

@@ -4,7 +4,8 @@ decl_name: "mg_register_http_endpoint"
 symbol_kind: "func"
 signature: |
   void mg_register_http_endpoint(struct mg_connection *nc, const char *uri_path,
-                                 mg_event_handler_t handler);
+                                 MG_CB(mg_event_handler_t handler,
+                                       void *user_data);
 ---
 
 Registers a callback for a specified http endpoint
@@ -20,7 +21,7 @@ static void handle_hello1(struct mg_connection *nc, int ev, void *ev_data) {
  nc->flags |= MG_F_SEND_AND_CLOSE;
 }
 
-static void handle_hello1(struct mg_connection *nc, int ev, void *ev_data) {
+static void handle_hello2(struct mg_connection *nc, int ev, void *ev_data) {
  (void) ev; (void) ev_data;
   mg_printf(nc, "HTTP/1.0 200 OK\r\n\r\n[I am Hello2]");
  nc->flags |= MG_F_SEND_AND_CLOSE;

docs/c-api/mg_http_server.h/mg_send_http_chunk.md

@@ -9,7 +9,7 @@ signature: |
 Sends buffer `buf` of size `len` to the client using chunked HTTP encoding.
 This function sends the buffer size as hex number + newline first, then
 the buffer itself, then the newline. For example,
-`mg_send_http_chunk(nc, "foo", 3)` whill append the `3\r\nfoo\r\n` string
+`mg_send_http_chunk(nc, "foo", 3)` will append the `3\r\nfoo\r\n` string
 to the `nc->send_mbuf` output IO buffer.
 
 NOTE: The HTTP header "Transfer-Encoding: chunked" should be sent prior to

docs/c-api/mg_http_server.h/mg_send_response_line.md

@@ -9,7 +9,7 @@ signature: |
 
 Sends the response status line.
 If `extra_headers` is not NULL, then `extra_headers` are also sent
-after the reponse line. `extra_headers` must NOT end end with new line.
+after the response line. `extra_headers` must NOT end end with new line.
 Example:
 
      mg_send_response_line(nc, 200, "Access-Control-Allow-Origin: *");

docs/c-api/mg_mqtt.h/intro.md

@@ -1,10 +1,11 @@
 ---
 title: "MQTT API reference"
 symbol_kind: "intro"
-decl_name: "mqtt.h"
+decl_name: "mg_mqtt.h"
 items:
   - { name: mg_mqtt_connack.md }
   - { name: mg_mqtt_disconnect.md }
+  - { name: mg_mqtt_match_topic_expression.md }
   - { name: mg_mqtt_next_subscribe_topic.md }
   - { name: mg_mqtt_ping.md }
   - { name: mg_mqtt_pong.md }
@@ -17,6 +18,7 @@ items:
   - { name: mg_mqtt_subscribe.md }
   - { name: mg_mqtt_unsuback.md }
   - { name: mg_mqtt_unsubscribe.md }
+  - { name: mg_mqtt_vmatch_topic_expression.md }
   - { name: mg_send_mqtt_handshake.md }
   - { name: mg_send_mqtt_handshake_opt.md }
   - { name: mg_set_protocol_mqtt.md }

docs/c-api/mg_mqtt.h/mg_mqtt_match_topic_expression.md

@@ -0,0 +1,12 @@
+---
+title: "mg_mqtt_match_topic_expression()"
+decl_name: "mg_mqtt_match_topic_expression"
+symbol_kind: "func"
+signature: |
+  int mg_mqtt_match_topic_expression(struct mg_str exp, struct mg_str topic);
+---
+
+Matches a topic against a topic expression
+
+Returns 1 if it matches; 0 otherwise. 
+

docs/c-api/mg_mqtt.h/mg_mqtt_vmatch_topic_expression.md

@@ -0,0 +1,11 @@
+---
+title: "mg_mqtt_vmatch_topic_expression()"
+decl_name: "mg_mqtt_vmatch_topic_expression"
+symbol_kind: "func"
+signature: |
+  int mg_mqtt_vmatch_topic_expression(const char *exp, struct mg_str topic);
+---
+
+Same as `mg_mqtt_match_topic_expression()`, but takes `exp` as a
+NULL-terminated string. 
+

docs/c-api/mg_mqtt.h/struct_mg_mqtt_proto_data.md

@@ -5,6 +5,7 @@ symbol_kind: "struct"
 signature: |
   struct mg_mqtt_proto_data {
     uint16_t keep_alive;
+    double last_control_time;
   };
 ---