Fix PrintingSOEHandler octet string size printing.

CHANGELOG.md

@@ -1,3 +1,6 @@
+### Next ###
+* :beetle: Fix `PrintingSOEHandler` octet string size not printing properly.
+
 ### 3.1.1 ###
 * :beetle: Fix static octet string serilazation bug.
 * :star: Add missing octet string configuration to C# `EventBufferConfig`.

cpp/examples/master/main.cpp

@@ -90,7 +90,7 @@ int main(int argc, char* argv[])
     auto integrityScan = master->AddClassScan(ClassField::AllClasses(), TimeDuration::Minutes(1), test_soe_handler);
 
     // do a Class 1 exception poll every 5 seconds
-    auto exceptionScan = master->AddClassScan(ClassField(ClassField::CLASS_1), TimeDuration::Seconds(2), test_soe_handler);
+    auto exceptionScan = master->AddClassScan(ClassField(ClassField::CLASS_1), TimeDuration::Seconds(5), test_soe_handler);
 
     // Enable the master. This will start communications.
     master->Enable();

cpp/examples/tls/outstation/main.cpp

@@ -97,7 +97,7 @@ int main(int argc, char* argv[])
     // You can override the default link layer settings here
     // in this example we've changed the default link layer addressing
     stackConfig.link.LocalAddr = 10;
-    stackConfig.link.RemoteAddr = 1;    
+    stackConfig.link.RemoteAddr = 1;
 
     // Create a new outstation with a log level, command handler, and
     // config info this	returns a thread-safe interface used for

cpp/lib/src/master/PrintingSOEHandler.cpp

@@ -77,7 +77,7 @@ void PrintingSOEHandler::Process(const HeaderInfo& /*info*/, const ICollection<I
 {
     auto print = [](const Indexed<OctetString>& pair) {
         std::cout << "OctetString "
-                  << " [" << pair.index << "] : Size : " << pair.value.Size() << std::endl;
+                  << " [" << pair.index << "] : Size : " << std::to_string(pair.value.Size()) << std::endl;
     };
 
     values.ForeachItem(print);

cpp/tests/unit/TestMaster.cpp

@@ -751,3 +751,31 @@ TEST_CASE(SUITE("Warm restart fails with empty response"))
     REQUIRE(queue.responses[0].summary == TaskCompletion::SUCCESS);
     REQUIRE(queue.responses[0].restartTime == TimeDuration::Milliseconds(0xBBBB));
 }
+
+TEST_CASE(SUITE("IntegrityPollOnBufferOverflowIIN"))
+{
+    MasterParams params;
+    params.disableUnsolOnStartup = false;
+    params.unsolClassMask = ClassField::None();
+    MasterTestFixture t(params);
+    t.context->OnLowerLayerUp();
+
+    t.exe->run_many();
+
+    REQUIRE(t.lower->PopWriteAsHex() == hex::IntegrityPoll(0));
+    t.context->OnTxReady();
+
+    t.SendToMaster("E0 81 00 08 01 02 00 02 02 81"); // group 2 var 1, index = 2, 0x81 = Online, true, with EVENT_BUFFER_OVERFLOW
+    REQUIRE(t.meas->TotalReceived() == 1);
+    REQUIRE((Binary(true, Flags(0x01)) == t.meas->binarySOE[2].meas));
+
+    t.exe->run_many();
+
+    REQUIRE(t.lower->PopWriteAsHex() == hex::Confirm(0, false));
+    t.context->OnTxReady();
+
+    t.exe->run_many();
+
+    REQUIRE(t.lower->PopWriteAsHex() == hex::IntegrityPoll(1));
+    t.context->OnTxReady();
+}