#995 Add link speed parsing to client probe response

If a probe response contains speedinformation, parse and store
it inside the client struct. Speed is interpreted as an unsigned
integer representing Mbit/s.

src/client.c

@@ -28,6 +28,7 @@ static int og_resp_probe(struct og_client *cli, json_t *data)
 {
 	const char *status = NULL;
 	const char *key;
+	uint32_t speed;
 	json_t *value;
 	int err = 0;
 
@@ -39,6 +40,11 @@ static int og_resp_probe(struct og_client *cli, json_t *data)
 			err = og_json_parse_string(value, &status);
 			if (err < 0)
 				return err;
+		} else if (!strcmp(key, "speed")) {
+			err = og_json_parse_uint(value, &speed);
+			if (err < 0)
+				return err;
+			cli->speed = speed;
 		} else {
 			return -1;
 		}

src/rest.c

@@ -389,6 +389,7 @@ static int og_json_client_append(json_t *array, struct og_client *client)
 		return -1;
 	}
 	json_object_set_new(object, "state", state);
+	json_object_set_new(object, "speed", json_integer(client->speed));
 	json_array_append_new(array, object);
 
 	return 0;

src/rest.h

@@ -55,6 +55,7 @@ struct og_client {
 	enum og_cmd_type	last_cmd;
 	unsigned int		last_cmd_id;
 	bool			autorun;
+	uint32_t		speed;
 };
 
 void og_client_add(struct og_client *cli);