[21136] Add XML configuration for FlowControllerDescriptor to 2.x

include/fastdds/dds/core/policy/QosPolicies.hpp

@@ -2048,7 +2048,7 @@ class PublishModeQosPolicy : public QosPolicy
      *
      * @since 2.4.0
      */
-    const char* flow_controller_name = fastdds::rtps::FASTDDS_FLOW_CONTROLLER_DEFAULT;
+    std::string flow_controller_name = fastdds::rtps::FASTDDS_FLOW_CONTROLLER_DEFAULT;
 
     inline void clear() override
     {
@@ -2060,7 +2060,7 @@ class PublishModeQosPolicy : public QosPolicy
             const PublishModeQosPolicy& b) const
     {
         return (this->kind == b.kind) &&
-               0 == strcmp(flow_controller_name, b.flow_controller_name) &&
+               flow_controller_name == b.flow_controller_name.c_str() &&
                QosPolicy::operator ==(b);
     }
 

include/fastdds/rtps/attributes/WriterAttributes.h

@@ -143,7 +143,7 @@ class WriterAttributes
     Duration_t keep_duration;
 
     //! Flow controller name. Default: fastdds::rtps::FASTDDS_FLOW_CONTROLLER_DEFAULT.
-    const char* flow_controller_name = fastdds::rtps::FASTDDS_FLOW_CONTROLLER_DEFAULT;
+    std::string flow_controller_name = fastdds::rtps::FASTDDS_FLOW_CONTROLLER_DEFAULT;
 };
 
 } /* namespace rtps */

include/fastdds/rtps/flowcontrol/FlowControllerDescriptor.hpp

@@ -15,6 +15,8 @@
 #ifndef FASTDDS_RTPS_FLOWCONTROL_FLOWCONTROLLERDESCRIPTOR_HPP
 #define FASTDDS_RTPS_FLOWCONTROL_FLOWCONTROLLERDESCRIPTOR_HPP
 
+#include <string>
+
 #include <fastdds/rtps/attributes/ThreadSettings.hpp>
 
 #include "FlowControllerConsts.hpp"
@@ -33,7 +35,7 @@ namespace rtps {
 struct FlowControllerDescriptor
 {
     //! Name of the flow controller.
-    const char* name = nullptr;
+    std::string name = FASTDDS_FLOW_CONTROLLER_DEFAULT;
 
     //! Scheduler policy used by the flow controller.
     //!

include/fastrtps/xmlparser/XMLParser.h

@@ -103,6 +103,8 @@ class XMLParser
 
 public:
 
+    using FlowControllerDescriptorList = std::vector<std::shared_ptr<fastdds::rtps::FlowControllerDescriptor>>;
+
     /**
      * Load the default XML file.
      * @return XMLP_ret::XML_OK on success, XMLP_ret::XML_ERROR in other case.
@@ -548,6 +550,11 @@ class XMLParser
             rtps::ThroughputControllerDescriptor& throughputController,
             uint8_t ident);
 
+    RTPS_DllAPI static XMLP_ret getXMLFlowControllerDescriptorList(
+            tinyxml2::XMLElement* elem,
+            FlowControllerDescriptorList& flow_controller_descriptor_list,
+            uint8_t ident);
+
     RTPS_DllAPI static XMLP_ret getXMLPortParameters(
             tinyxml2::XMLElement* elem,
             rtps::PortParameters& port,

include/fastrtps/xmlparser/XMLParserCommon.h

@@ -140,6 +140,7 @@ extern const char* PART_ID;
 extern const char* IP4_TO_SEND;
 extern const char* IP6_TO_SEND;
 extern const char* THROUGHPUT_CONT;
+extern const char* FLOW_CONTROLLER_DESCRIPTOR_LIST;
 extern const char* USER_TRANS;
 extern const char* USE_BUILTIN_TRANS;
 extern const char* BUILTIN_TRANS;
@@ -294,6 +295,17 @@ extern const char* ALLOCATED_SAMPLES;
 extern const char* EXTRA_SAMPLES;
 extern const char* BYTES_PER_SECOND;
 extern const char* PERIOD_MILLISECS;
+extern const char* FLOW_CONTROLLER_DESCRIPTOR;
+extern const char* SCHEDULER;
+extern const char* SENDER_THREAD;
+extern const char* MAX_BYTES_PER_PERIOD;
+extern const char* PERIOD_MS;
+extern const char* FLOW_CONTROLLER_NAME;
+extern const char* FIFO;
+extern const char* HIGH_PRIORITY;
+extern const char* ROUND_ROBIN;
+extern const char* PRIORITY_WITH_RESERVATION;
+extern const char* FLOW_CONTROLLER_NAME;
 extern const char* PORT_BASE;
 extern const char* DOMAIN_ID_GAIN;
 extern const char* PARTICIPANT_ID_GAIN;

resources/xsd/fastRTPS_profiles.xsd

@@ -135,6 +135,7 @@
             ├ allocation                           [0~1],
             ├ userData                             [0~1],
             ├ prefix                               [0~1],
+            ├ flow_controller_descriptor_list      [flowControllerDescriptorListType],
             ├ builtin_controllers_sender_thread    [threadSettingsType],
             ├ timed_events_thread                  [threadSettingsType],
             ├ discovery_server_thread              [threadSettingsType],
@@ -179,6 +180,7 @@
                         <xs:element name="allocation" type="rtpsParticipantAllocationAttributesType"  minOccurs="0" maxOccurs="1"/>
                         <xs:element name="userData" type="octectVectorQosPolicyType" minOccurs="0" maxOccurs="1"/>
                         <xs:element name="prefix" type="prefixType" minOccurs="0" maxOccurs="1"/>
+                        <xs:element name="flow_controller_descriptor_list" type="flowControllerDescriptorListType" minOccurs="0" maxOccurs="1"/>
                         <xs:element name="builtin_controllers_sender_thread" type="threadSettingsType" minOccurs="0" maxOccurs="1"/>
                         <xs:element name="timed_events_thread" type="threadSettingsType" minOccurs="0" maxOccurs="1"/>
                         <xs:element name="discovery_server_thread" type="threadSettingsType" minOccurs="0" maxOccurs="1"/>
@@ -1690,7 +1692,8 @@
     </xs:complexType>
 
     <!--QoS Publish Mode:
-        └ kind [string] ("ASYNCHRONOUS", "SYNCHRONOUS") -->
+        ├ kind [string] ("ASYNCHRONOUS", "SYNCHRONOUS")
+        └ flow_controller_name [string] -->
     <xs:complexType name="publishModeQosPolicyType">
         <xs:all>
             <xs:element name="kind" minOccurs="0" maxOccurs="1">
@@ -1701,6 +1704,7 @@
                     </xs:restriction>
                 </xs:simpleType>
             </xs:element>
+            <xs:element name="flow_controller_name" type="string" minOccurs="0" maxOccurs="1"/>
         </xs:all>
     </xs:complexType>
 
@@ -1831,6 +1835,41 @@
         </xs:all>
     </xs:complexType>
 
+    <!--Flow Controller Descriptor List Type:
+        └ flow_controller_descriptor [1~*]-->
+    <xs:complexType name="flowControllerDescriptorListType">
+        <xs:sequence minOccurs="1" maxOccurs="unbounded">   <!-- multiple instances of the elements -->
+            <xs:element name="flow_controller_descriptor" type="flowControllerDescriptorType"/>
+        </xs:sequence>
+    </xs:complexType>
+
+    <!--Flow Controller Descriptor Type:
+        ├ name                  [string] req,
+        ├ scheduler             [flowControllerSchedulerPolicy],
+        ├ max_bytes_per_period  [int32],
+        ├ period_ms             [uint64],
+        └ sender_thread         [threadSettingsType]-->
+    <xs:complexType name="flowControllerDescriptorType">
+        <xs:all>
+            <xs:element name="name" type="string" minOccurs="1" maxOccurs="1"/>
+            <xs:element name="scheduler" type="flowControllerSchedulerPolicy" minOccurs="0" maxOccurs="1"/>
+            <xs:element name="max_bytes_per_period" type="int32" minOccurs="0" maxOccurs="1"/>
+            <xs:element name="period_ms" type="uint64" minOccurs="0" maxOccurs="1"/>
+            <xs:element name="sender_thread" type="threadSettingsType" minOccurs="0" maxOccurs="1"/>
+        </xs:all>
+    </xs:complexType>
+
+    <!--Flow Controller Scheduler Policy Type [string]:
+         ("FIFO", "ROUND_ROBIN", "HIGH_PRIORITY", "PRIORITY_WITH_RESERVATION")-->
+    <xs:simpleType name="flowControllerSchedulerPolicy">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="FIFO" />
+            <xs:enumeration value="ROUND_ROBIN" />
+            <xs:enumeration value="HIGH_PRIORITY" />
+            <xs:enumeration value="PRIORITY_WITH_RESERVATION" />
+        </xs:restriction>
+    </xs:simpleType>
+
     <!--Thread Settings Type:
         | ╠ att. port        [uint32]
         |

src/cpp/rtps/participant/RTPSParticipantImpl.cpp

@@ -883,7 +883,7 @@ bool RTPSParticipantImpl::create_writer(
 
     GUID_t guid(m_guid.guidPrefix, entId);
     fastdds::rtps::FlowController* flow_controller = nullptr;
-    const char* flow_controller_name = param.flow_controller_name;
+    std::string flow_controller_name = param.flow_controller_name;
 
     // Support of old flow controller style.
     if (param.throughputController.bytesPerPeriod != UINT32_MAX && param.throughputController.periodMillisecs != 0)

src/cpp/rtps/xmlparser/XMLElementParser.cpp

@@ -987,6 +987,145 @@ XMLP_ret XMLParser::getXMLThroughputController(
     return XMLP_ret::XML_OK;
 }
 
+XMLP_ret XMLParser::getXMLFlowControllerDescriptorList(
+        tinyxml2::XMLElement* elem,
+        FlowControllerDescriptorList& flow_controller_descriptor_list,
+        uint8_t ident)
+{
+    /*
+        <xs:complexType name="flowControllerDescriptorListType">
+            <xs:sequence>
+                <xs:element name="flow_controller_descriptor" type="flowControllerDescriptorType" maxOccurs="unbounded"/>
+            </xs:sequence>
+        </xs:complexType>
+     */
+
+    tinyxml2::XMLElement* p_aux0 = nullptr;
+    p_aux0 = elem->FirstChildElement(FLOW_CONTROLLER_DESCRIPTOR);
+    if (nullptr == p_aux0)
+    {
+        EPROSIMA_LOG_ERROR(XMLPARSER, "Node '" << elem->Value() << "' without content");
+        return XMLP_ret::XML_ERROR;
+    }
+
+    while (nullptr != p_aux0)
+    {
+        /*
+            <xs:complexType name="flowControllerDescriptorType">
+                <xs:all>
+                    <xs:element name="name" type="string" minOccurs="1" maxOccurs="1"/>
+                    <xs:element name="scheduler" type="flowControllerSchedulerPolicy" minOccurs="0" maxOccurs="1"/>
+                    <xs:element name="max_bytes_per_period" type="int32" minOccurs="0" maxOccurs="1"/>
+                    <xs:element name="period_ms" type="uint64" minOccurs="0" maxOccurs="1"/>
+                    <xs:element name="sender_thread" type="threadSettingsType" minOccurs="0" maxOccurs="1"/>
+                </xs:all>
+            </xs:complexType>
+            <xs:simpleType name="flowControllerSchedulerPolicy">
+                <xs:restriction base="xs:string">
+                    <xs:enumeration value="FIFO" />
+                    <xs:enumeration value="ROUND_ROBIN" />
+                    <xs:enumeration value="HIGH_PRIORITY" />
+                    <xs:enumeration value="PRIORITY_WITH_RESERVATION" />
+                </xs:restriction>
+            </xs:simpleType>
+         */
+
+        tinyxml2::XMLElement* p_aux1;
+        bool name_defined = false;
+        std::set<std::string> tags_present;
+
+        auto flow_controller_descriptor = std::make_shared<fastdds::rtps::FlowControllerDescriptor>();
+
+        for (p_aux1 = p_aux0->FirstChildElement(); p_aux1 != NULL; p_aux1 = p_aux1->NextSiblingElement())
+        {
+            const char* name = p_aux1->Name();
+
+            if (tags_present.count(name) != 0)
+            {
+                EPROSIMA_LOG_ERROR(XMLPARSER,
+                        "Duplicated element found in 'flowControllerDescriptorType'. Name: " << name);
+                return XMLP_ret::XML_ERROR;
+            }
+            else
+            {
+                tags_present.emplace(name);
+            }
+
+            if (strcmp(name, NAME) == 0)
+            {
+                // name - stringType
+                flow_controller_descriptor->name = get_element_text(p_aux1);
+                if (flow_controller_descriptor->name.empty())
+                {
+                    EPROSIMA_LOG_ERROR(XMLPARSER, "<" << p_aux1->Value() << "> getXMLString XML_ERROR!");
+                    return XMLP_ret::XML_ERROR;
+                }
+                name_defined = true;
+            }
+            else if (strcmp(name, SCHEDULER) == 0)
+            {
+                std::string text = get_element_text(p_aux1);
+                if (text.empty())
+                {
+                    EPROSIMA_LOG_ERROR(XMLPARSER, "Node '" << SCHEDULER << "' without content");
+                    return XMLP_ret::XML_ERROR;
+                }
+
+                // scheduler - flowControllerSchedulerPolicy
+                if (!get_element_enum_value(text.c_str(), flow_controller_descriptor->scheduler,
+                        FIFO, fastdds::rtps::FlowControllerSchedulerPolicy::FIFO,
+                        HIGH_PRIORITY, fastdds::rtps::FlowControllerSchedulerPolicy::HIGH_PRIORITY,
+                        ROUND_ROBIN, fastdds::rtps::FlowControllerSchedulerPolicy::ROUND_ROBIN,
+                        PRIORITY_WITH_RESERVATION,
+                        fastdds::rtps::FlowControllerSchedulerPolicy::PRIORITY_WITH_RESERVATION))
+                {
+                    EPROSIMA_LOG_ERROR(XMLPARSER, "Node '" << SCHEDULER << "' with bad content");
+                    return XMLP_ret::XML_ERROR;
+                }
+            }
+            else if (strcmp(name, MAX_BYTES_PER_PERIOD) == 0)
+            {
+                // max_bytes_per_period - int32Type
+                if (XMLP_ret::XML_OK != getXMLInt(p_aux1, &flow_controller_descriptor->max_bytes_per_period, ident))
+                {
+                    return XMLP_ret::XML_ERROR;
+                }
+            }
+            else if (strcmp(name, PERIOD_MS) == 0)
+            {
+                // period_ms - uint64Type
+                if (XMLP_ret::XML_OK != getXMLUint(p_aux1, &flow_controller_descriptor->period_ms, ident))
+                {
+                    return XMLP_ret::XML_ERROR;
+                }
+            }
+            else if (strcmp(name, SENDER_THREAD) == 0)
+            {
+                // sender_thread - threadSettingsType
+                getXMLThreadSettings(*p_aux1, flow_controller_descriptor->sender_thread);
+            }
+            else
+            {
+                EPROSIMA_LOG_ERROR(XMLPARSER,
+                        "Invalid element found into 'flowControllerDescriptorType'. Name: " << name);
+                return XMLP_ret::XML_ERROR;
+            }
+        }
+
+        if (!name_defined)
+        {
+            EPROSIMA_LOG_ERROR(XMLPARSER, "Flow Controller Descriptor requires a 'name'");
+            return XMLP_ret::XML_ERROR;
+        }
+
+        flow_controller_descriptor_list.push_back(flow_controller_descriptor);
+        p_aux0 = p_aux0->NextSiblingElement(FLOW_CONTROLLER_DESCRIPTOR);
+
+    }
+
+    return XMLP_ret::XML_OK;
+}
+
 XMLP_ret XMLParser::getXMLTopicAttributes(
         tinyxml2::XMLElement* elem,
         TopicAttributes& topic,
@@ -2698,6 +2837,16 @@ XMLP_ret XMLParser::getXMLPublishModeQos(
                 return XMLP_ret::XML_ERROR;
             }
         }
+        else if (strcmp(name, FLOW_CONTROLLER_NAME) == 0)
+        {
+
+            publishMode.flow_controller_name = get_element_text(p_aux0);
+            if (publishMode.flow_controller_name.empty())
+            {
+                EPROSIMA_LOG_ERROR(XMLPARSER, "Node '" << FLOW_CONTROLLER_NAME << "' without content");
+                return XMLP_ret::XML_ERROR;
+            }
+        }
         else
         {
             EPROSIMA_LOG_ERROR(XMLPARSER, "Invalid element found into 'publishModeQosPolicyType'. Name: " << name);

src/cpp/rtps/xmlparser/XMLParser.cpp

@@ -2245,6 +2245,7 @@ XMLP_ret XMLParser::fillDataNode(
                 <xs:element name="userData" type="octetVectorType" minOccurs="0"/>
                 <xs:element name="participantID" type="int32Type" minOccurs="0"/>
                 <xs:element name="throughputController" type="throughputControllerType" minOccurs="0"/>
+                <xs:element name="flow_controller_descriptors" type="flowControllerDescriptorsType" minOccurs="0"/>
                 <xs:element name="userTransports" type="stringListType" minOccurs="0"/>
                 <xs:element name="useBuiltinTransports" type="boolType" minOccurs="0"/>
                 <xs:element name="propertiesPolicy" type="propertyPolicyType" minOccurs="0"/>
@@ -2454,6 +2455,16 @@ XMLP_ret XMLParser::fillDataNode(
             }
             EPROSIMA_LOG_WARNING(XML_PARSER, THROUGHPUT_CONT << " XML tag is deprecated");
         }
+        else if (strcmp(name, FLOW_CONTROLLER_DESCRIPTOR_LIST) == 0)
+        {
+            // flow_controller_descriptors
+            if (XMLP_ret::XML_OK !=
+                    getXMLFlowControllerDescriptorList(p_aux0,
+                    participant_node.get()->rtps.flow_controllers, ident))
+            {
+                return XMLP_ret::XML_ERROR;
+            }
+        }
         else if (strcmp(name, USER_TRANS) == 0)
         {
             // userTransports

src/cpp/rtps/xmlparser/XMLParserCommon.cpp

@@ -124,6 +124,7 @@ const char* PHYSICAL_PORT = "physical_port";
 const char* USER_DATA = "userData";
 const char* PART_ID = "participantID";
 const char* THROUGHPUT_CONT = "throughputController";
+const char* FLOW_CONTROLLER_DESCRIPTOR_LIST = "flow_controller_descriptor_list";
 const char* USER_TRANS = "userTransports";
 const char* USE_BUILTIN_TRANS = "useBuiltinTransports";
 const char* BUILTIN_TRANS = "builtinTransports";
@@ -282,6 +283,16 @@ const char* ALLOCATED_SAMPLES = "allocated_samples";
 const char* EXTRA_SAMPLES = "extra_samples";
 const char* BYTES_PER_SECOND = "bytesPerPeriod";
 const char* PERIOD_MILLISECS = "periodMillisecs";
+const char* FLOW_CONTROLLER_DESCRIPTOR = "flow_controller_descriptor";
+const char* SCHEDULER = "scheduler";
+const char* SENDER_THREAD = "sender_thread";
+const char* MAX_BYTES_PER_PERIOD = "max_bytes_per_period";
+const char* PERIOD_MS = "period_ms";
+const char* FLOW_CONTROLLER_NAME = "flow_controller_name";
+const char* FIFO = "FIFO";
+const char* HIGH_PRIORITY = "HIGH_PRIORITY";
+const char* ROUND_ROBIN = "ROUND_ROBIN";
+const char* PRIORITY_WITH_RESERVATION = "PRIORITY_WITH_RESERVATION";
 const char* PORT_BASE = "portBase";
 const char* DOMAIN_ID_GAIN = "domainIDGain";
 const char* PARTICIPANT_ID_GAIN = "participantIDGain";