viewer presets for dds devices

common/device-model.cpp

@@ -1865,7 +1865,12 @@ namespace rs2
                         auto itr = sub->options_metadata.find(RS2_OPTION_VISUAL_PRESET);
                         if (itr != sub->options_metadata.end())
                         {
-                            itr->second.endpoint->set_option(RS2_OPTION_VISUAL_PRESET, RS2_RS400_VISUAL_PRESET_CUSTOM);
+                            // Make sure we actually have a "Custom" preset
+                            if( std::string( "Custom", 6 )
+                                == itr->second.endpoint->get_option_value_description(
+                                    RS2_OPTION_VISUAL_PRESET,
+                                    RS2_RS400_VISUAL_PRESET_CUSTOM ) )
+                                itr->second.endpoint->set_option(RS2_OPTION_VISUAL_PRESET, RS2_RS400_VISUAL_PRESET_CUSTOM);
                         }
                     }
                 }

src/dds/rs-dds-device-proxy.cpp

@@ -696,4 +696,24 @@ void dds_device_proxy::update( const void * /*image*/, int /*image_size*/, rs2_u
 }
 
 
+std::vector< sensor_interface * > dds_device_proxy::get_serializable_sensors()
+{
+    std::vector< sensor_interface * > sensors;
+    auto const n_sensors = get_sensors_count();
+    for( auto i = 0; i < n_sensors; ++i )
+        sensors.push_back( &get_sensor( i ) );
+    return sensors;
+}
+
+
+std::vector< sensor_interface const * > dds_device_proxy::get_serializable_sensors() const
+{
+    std::vector< sensor_interface const * > sensors;
+    auto const n_sensors = get_sensors_count();
+    for( auto i = 0; i < n_sensors; ++i )
+        sensors.push_back( &get_sensor( i ) );
+    return sensors;
+}
+
+
 }  // namespace librealsense

src/dds/rs-dds-device-proxy.h

@@ -6,6 +6,7 @@
 #include <src/fw-update/fw-update-device-interface.h>
 #include <src/core/debug.h>
 #include "sid_index.h"
+#include "rsdds-serializable.h"
 
 #include <memory>
 #include <vector>
@@ -40,6 +41,7 @@ class dds_device_proxy
     , public debug_interface
     , public updatable                // unsigned, non-recovery-mode
     , public update_device_interface  // signed, recovery-mode
+    , public dds_serializable
 {
     std::shared_ptr< realdds::dds_device > _dds_dev;
     std::map< std::string, std::vector< std::shared_ptr< stream_profile_interface > > > _stream_name_to_profiles;
@@ -90,6 +92,11 @@ class dds_device_proxy
 private:
     void update( const void * image, int image_size, rs2_update_progress_callback_sptr = nullptr ) const override;
 
+    // dds_serializable
+private:
+    device_interface const & get_serializable_device() const override { return *this; }
+    std::vector< sensor_interface * > get_serializable_sensors() override;
+    std::vector< sensor_interface const * > get_serializable_sensors() const override;
 };
 
 

src/dds/rs-dds-option.cpp

@@ -126,6 +126,9 @@ void rs_dds_option::set( float value )
                                          << "use rs2_set_option_value to set " << get_string( _rs_type ) << " value" );
     }
 
+    if( is_read_only() )
+        throw invalid_value_exception( "option is read-only: " + _dds_opt->get_name() );
+
     _set_opt_cb( j_value );
 }
 
@@ -158,6 +161,9 @@ void rs_dds_option::set_value( json value )
     if( ! _set_opt_cb )
         throw std::runtime_error( "Set option callback is not set for option " + _dds_opt->get_name() );
 
+    if( is_read_only() )
+        throw invalid_value_exception( "option is read-only: " + _dds_opt->get_name() );
+
     _set_opt_cb( std::move( value ) );
 }
 

src/dds/rsdds-serializable.cpp

@@ -0,0 +1,170 @@
+// License: Apache 2.0. See LICENSE file in root directory.
+// Copyright(c) 2024 Intel Corporation. All Rights Reserved.
+
+#include "rsdds-serializable.h"
+
+#include <src/serialized-utilities.h>
+#include <src/core/sensor-interface.h>
+#include <src/core/device-interface.h>
+
+#include <rsutils/json.h>
+#include <set>
+
+using json = nlohmann::json;
+
+
+static std::set< rs2_option > get_options_to_ignore()
+{
+    return {
+        RS2_OPTION_FRAMES_QUEUE_SIZE,  // Internally added and is not an option we need to record/load
+        RS2_OPTION_REGION_OF_INTEREST  // The RoI is temporary, uses another mechanism for get/set, and we don't load it
+    };
+}
+
+
+namespace librealsense {
+
+
+std::vector< uint8_t > dds_serializable::serialize_json() const
+{
+    serialized_utilities::json_preset_writer writer;
+    writer.set_device_info( get_serializable_device() );
+
+    // Set of options that should not be written
+    auto const options_to_ignore = get_options_to_ignore();
+
+    for( auto p_sensor : get_serializable_sensors() )
+    {
+        std::string const sensor_name = p_sensor->get_info( RS2_CAMERA_INFO_NAME );
+        for( auto o : p_sensor->get_supported_options() )
+        {
+            auto & opt = p_sensor->get_option( o );
+            if( opt.is_read_only() )
+                continue;
+            if( options_to_ignore.find( o ) != options_to_ignore.end() )
+                continue;
+
+            auto val = opt.get_value();
+            writer.write_param( sensor_name + '/' + get_string( o ), val );
+        }
+    }
+
+    auto str = writer.to_string();
+    return std::vector< uint8_t >( str.begin(), str.end() );
+}
+
+
+void dds_serializable::load_json( const std::string & json_content )
+{
+    serialized_utilities::json_preset_reader reader( json_content );
+
+    // Verify if device information in preset file is compatible with the connected device.
+    reader.check_device_info( get_serializable_device() );
+    auto const sensors = get_serializable_sensors();
+
+    // Do the visual preset first, as it sets the basis on top of which we apply the regular controls
+    {
+        auto const visual_preset_subkey = '/' + get_string( RS2_OPTION_VISUAL_PRESET );
+        for( auto const p_sensor : sensors )
+        {
+            std::string const sensor_name = p_sensor->get_info( RS2_CAMERA_INFO_NAME );
+            auto const key = sensor_name + visual_preset_subkey;
+            auto it = reader.find( key );
+            if( it == reader.end() )
+                continue;
+
+            try
+            {
+                auto & opt = p_sensor->get_option( RS2_OPTION_VISUAL_PRESET );
+                opt.set_value( it.value() );
+                LOG_DEBUG( "loaded '" << key << "' value " << it.value() );
+            }
+            catch( std::exception const & e )
+            {
+                LOG_ERROR( "Failed to load '" << key << "' (value " << it.value() << "): " << e.what() );
+                throw;
+            }
+        }
+    }
+
+    // Create a set of options we have to change
+    std::map< std::string /*key*/, std::string /*error*/ > keys_to_change;
+    {
+        // Set of options that should not be set in the loop
+        auto options_to_ignore = get_options_to_ignore();
+        options_to_ignore.insert( RS2_OPTION_VISUAL_PRESET );  // We don't want to do this again
+
+        for( auto const p_sensor : sensors )
+        {
+            std::string const sensor_name = p_sensor->get_info( RS2_CAMERA_INFO_NAME );
+            for( auto option_id : p_sensor->get_supported_options() )
+            {
+                if( options_to_ignore.find( option_id ) != options_to_ignore.end() )
+                    continue;
+                auto key = sensor_name + '/' + get_string( option_id );
+                if( reader.find( key ) == reader.end() )
+                    continue;
+
+                keys_to_change.emplace( std::move( key ), std::string() );
+            }
+        }
+    }
+
+    // Some options may depend on others being set first (e.g., they are read-only until another option is set); these
+    // will generate errors. Since we don't know which order to set options in, we track failures and keep trying as
+    // long as at least one option value is changed:
+    while( true )
+    {
+        std::map< std::string /*key*/, std::string /*error*/ > keys_left;
+        for( auto const p_sensor : sensors )
+        {
+            std::string const sensor_name = p_sensor->get_info( RS2_CAMERA_INFO_NAME );
+            for( auto option_id : p_sensor->get_supported_options() )
+            {
+                auto key = sensor_name + '/' + get_string( option_id );
+                if( keys_to_change.find( key ) == keys_to_change.end() )
+                    continue;
+
+                auto it = reader.find( key );
+                if( it != reader.end() )
+                {
+                    try
+                    {
+                        auto & opt = p_sensor->get_option( option_id );
+                        opt.set_value( it.value() );
+                        LOG_DEBUG( "loaded '" << key << "' value " << it.value() );
+                        continue;
+                    }
+                    catch( unrecoverable_exception const & )
+                    {
+                        throw;
+                    }
+                    catch( std::exception const & e )
+                    {
+                        std::string error = e.what();
+                        LOG_DEBUG( "Failed to load '" << key << "' (value " << it.value() << "): " << error );
+                        keys_left.emplace( std::move( key ), std::move( error ) );
+                    }
+                }
+            }
+        }
+        if( keys_left.empty() )
+            // Nothing more to do; we can stop
+            break;
+        if( keys_left.size() == keys_to_change.size() )
+        {
+            // We still have failures, but nothing's changed; we must stop
+            for( auto const & key_error : keys_left )
+            {
+                auto it = reader.find( key_error.first );
+                if( it != reader.end() )
+                    LOG_ERROR( "Failed to load '" << key_error.first << "' (value " << it.value() << "): " << key_error.second );
+            }
+            break;
+        }
+        keys_to_change = std::move( keys_left );
+    }
+}
+
+
+}  // namespace librealsense

src/dds/rsdds-serializable.h

@@ -0,0 +1,28 @@
+// License: Apache 2.0. See LICENSE file in root directory.
+// Copyright(c) 2024 Intel Corporation. All Rights Reserved.
+#pragma once
+
+#include <src/serializable-interface.h>
+
+
+namespace librealsense {
+
+
+class device_interface;
+class sensor_interface;
+
+
+class dds_serializable : public serializable_interface
+{
+public:
+    std::vector< uint8_t > serialize_json() const override;
+    void load_json( const std::string & json_content ) override;
+
+protected:
+    virtual device_interface const & get_serializable_device() const = 0;
+    virtual std::vector< sensor_interface * > get_serializable_sensors() = 0;
+    virtual std::vector< sensor_interface const * > get_serializable_sensors() const = 0;
+};
+
+
+}  // namespace librealsense

src/serializable-interface.h

@@ -1,17 +1,25 @@
 // License: Apache 2.0. See LICENSE file in root directory.
-// Copyright(c) 2020 Intel Corporation. All Rights Reserved.
-
+// Copyright(c) 2020-4 Intel Corporation. All Rights Reserved.
 #pragma once
-#include "types.h"
+
 #include "core/extension.h"
+#include <vector>
+#include <string>
+
+
+namespace librealsense {
+
 
-namespace librealsense
+class serializable_interface
 {
-    class serializable_interface
-    {
-    public:
-        virtual std::vector<uint8_t> serialize_json() const = 0;
-        virtual void load_json(const std::string& json_content) = 0;
-    };
-    MAP_EXTENSION(RS2_EXTENSION_SERIALIZABLE, serializable_interface);
-}
+public:
+    virtual ~serializable_interface() {}
+
+    virtual std::vector< uint8_t > serialize_json() const = 0;
+    virtual void load_json( const std::string & json_content ) = 0;
+};
+
+MAP_EXTENSION( RS2_EXTENSION_SERIALIZABLE, serializable_interface );
+
+
+}  // namespace librealsense

third-party/realdds/py/pyrealdds.cpp

@@ -913,6 +913,10 @@ PYBIND11_MODULE(NAME, m) {
         .def( "publish_metadata", &dds_device_server::publish_metadata, py::call_guard< py::gil_scoped_release >() )
         .def( "broadcast", &dds_device_server::broadcast )
         .def( "broadcast_disconnect", &dds_device_server::broadcast_disconnect, py::arg( "ack-timeout" ) = dds_time() )
+        .def( FN_FWD( dds_device_server, on_set_option,
+                      (dds_device_server &, std::shared_ptr< realdds::dds_option > const &, json_ref &&),
+                      ( std::shared_ptr< realdds::dds_option > const & option, json & value ),
+                      callback( self, option, json_ref{ value } ); ) )
         .def( FN_FWD_R( dds_device_server, on_control,
                         false,
                         (dds_device_server &, std::string const &, py::object &&, json_ref &&),