Changes to InvokeResponseMessage to reflect 1.3 spec

src/app/MessageDef/InvokeResponseMessage.cpp

@@ -63,6 +63,15 @@ CHIP_ERROR InvokeResponseMessage::Parser::PrettyPrint() const
             ReturnErrorOnFailure(invokeResponses.PrettyPrint());
             PRETTY_PRINT_DECDEPTH();
         }
+        break;
+        case to_underlying(Tag::kMoreChunkedMessages):
+#if CHIP_DETAIL_LOGGING
+        {
+            bool moreChunkedMessages;
+            ReturnErrorOnFailure(reader.Get(moreChunkedMessages));
+            PRETTY_PRINT("\tmoreChunkedMessages = %s, ", moreChunkedMessages ? "true" : "false");
+        }
+#endif // CHIP_DETAIL_LOGGING
         break;
         case kInteractionModelRevisionTag:
             ReturnErrorOnFailure(MessageParser::CheckInteractionModelRevision(reader));
@@ -98,6 +107,11 @@ CHIP_ERROR InvokeResponseMessage::Parser::GetInvokeResponses(InvokeResponseIBs::
     return apStatus->Init(reader);
 }
 
+CHIP_ERROR InvokeResponseMessage::Parser::GetMoreChunkedMessages(bool * const apMoreChunkedMessages) const
+{
+    return GetSimpleValue(to_underlying(Tag::kMoreChunkedMessages), TLV::kTLVType_Boolean, apMoreChunkedMessages);
+}
+
 InvokeResponseMessage::Builder & InvokeResponseMessage::Builder::SuppressResponse(const bool aSuppressResponse)
 {
     if (mError == CHIP_NO_ERROR)
@@ -116,6 +130,16 @@ InvokeResponseIBs::Builder & InvokeResponseMessage::Builder::CreateInvokeRespons
     return mInvokeResponses;
 }
 
+InvokeResponseMessage::Builder & InvokeResponseMessage::Builder::MoreChunkedMessages(const bool aMoreChunkedMessages)
+{
+    // skip if error has already been set
+    if (mError == CHIP_NO_ERROR)
+    {
+        mError = mpWriter->PutBoolean(TLV::ContextTag(Tag::kMoreChunkedMessages), aMoreChunkedMessages);
+    }
+    return *this;
+}
+
 CHIP_ERROR InvokeResponseMessage::Builder::EndOfInvokeResponseMessage()
 {
     if (mError == CHIP_NO_ERROR)

src/app/MessageDef/InvokeResponseMessage.h

@@ -33,8 +33,9 @@ namespace app {
 namespace InvokeResponseMessage {
 enum class Tag : uint8_t
 {
-    kSuppressResponse = 0,
-    kInvokeResponses  = 1,
+    kSuppressResponse    = 0,
+    kInvokeResponses     = 1,
+    kMoreChunkedMessages = 2,
 };
 
 class Parser : public MessageParser
@@ -61,6 +62,16 @@ class Parser : public MessageParser
      *          #CHIP_END_OF_TLV if there is no such element
      */
     CHIP_ERROR GetInvokeResponses(InvokeResponseIBs::Parser * const apInvokeResponses) const;
+
+    /**
+     *  @brief Get MoreChunkedMessages boolean
+     *
+     *  @param [out] apMoreChunkedMessages    A pointer to bool for storing more chunked messages value.
+     *
+     *  @return #CHIP_NO_ERROR on success
+     *          #CHIP_END_OF_TLV if there is no such element
+     */
+    CHIP_ERROR GetMoreChunkedMessages(bool * const apMoreChunkedMessages) const;
 };
 
 class Builder : public MessageBuilder
@@ -86,6 +97,13 @@ class Builder : public MessageBuilder
      */
     InvokeResponseIBs::Builder & GetInvokeResponses() { return mInvokeResponses; }
 
+    /**
+     *  @brief Set True if the set of InvokeResponseIB have to be sent across multiple packets in a single transaction
+     *  @param [in] aMoreChunkedMessages  true if more chunked messages are needed
+     *  @return A reference to *this
+     */
+    InvokeResponseMessage::Builder & MoreChunkedMessages(const bool aMoreChunkedMessages);
+
     /**
      *  @brief Mark the end of this InvokeResponseMessage
      *

src/app/tests/TestMessageDef.cpp

@@ -954,6 +954,9 @@ void BuildInvokeResponseMessage(nlTestSuite * apSuite, chip::TLV::TLVWriter & aW
 
     BuildInvokeResponses(apSuite, invokeResponsesBuilder);
 
+    invokeResponseMessageBuilder.MoreChunkedMessages(true);
+    NL_TEST_ASSERT(apSuite, invokeResponseMessageBuilder.GetError() == CHIP_NO_ERROR);
+
     invokeResponseMessageBuilder.EndOfInvokeResponseMessage();
     NL_TEST_ASSERT(apSuite, invokeResponseMessageBuilder.GetError() == CHIP_NO_ERROR);
 }
@@ -966,8 +969,15 @@ void ParseInvokeResponseMessage(nlTestSuite * apSuite, chip::TLV::TLVReader & aR
     NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
 
     bool suppressResponse = false;
-    invokeResponseMessageParser.GetSuppressResponse(&suppressResponse);
+    err                   = invokeResponseMessageParser.GetSuppressResponse(&suppressResponse);
+    NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
     NL_TEST_ASSERT(apSuite, suppressResponse == true);
+
+    bool moreChunkedMessages = true;
+    err                      = invokeResponseMessageParser.GetMoreChunkedMessages(&suppressResponse);
+    NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
+    NL_TEST_ASSERT(apSuite, moreChunkedMessages == true);
+
 #if CHIP_CONFIG_IM_PRETTY_PRINT
     invokeResponseMessageParser.PrettyPrint();
 #endif