PEL: Support for the host acking a PEL

After the host firmware successfully transfers a PEL to the OS,
it will respond with an 'Ack' command that the PLDM daemon sends
over to this daemon via a D-Bus method call.

Add support to the HostNotifier class for this.  It will change the
state field in the PEL to 'acked' so that it doesn't get sent up
again.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Id2a9985965017d9431419c1375d5374a2d0ae00b

1 files changed, 72 insertions, 0 deletions

diff --git a/test/openpower-pels/host_notifier_test.cpp b/test/openpower-pels/host_notifier_test.cpp
index afb5dc2..62c79b2 100644
--- a/test/openpower-pels/host_notifier_test.cpp
+++ b/test/openpower-pels/host_notifier_test.cpp
@@ -571,3 +571,75 @@ TEST_F(HostNotifierTest, TestCancelCmd)
     EXPECT_EQ(mockHostIface.numCmdsProcessed(), 1);
     EXPECT_EQ(notifier.queueSize(), 0);
 }
+
+// Test that acking a PEL persist across power cycles
+TEST_F(HostNotifierTest, TestPowerCycleAndAcks)
+{
+    Repository repo{repoPath};
+    MockDataInterface dataIface;
+
+    sdeventplus::Event sdEvent{event};
+
+    std::unique_ptr<HostInterface> hostIface =
+        std::make_unique<MockHostInterface>(event, dataIface);
+
+    MockHostInterface& mockHostIface =
+        reinterpret_cast<MockHostInterface&>(*hostIface);
+
+    HostNotifier notifier{repo, dataIface, std::move(hostIface)};
+
+    auto send = [&mockHostIface](uint32_t id, uint32_t size) {
+        return mockHostIface.send(0);
+    };
+
+    EXPECT_CALL(mockHostIface, sendNewLogCmd(_, _))
+        .WillRepeatedly(Invoke(send));
+
+    // Add 2 PELs with host off
+    auto pel = makePEL();
+    repo.add(pel);
+    auto id1 = pel->id();
+
+    pel = makePEL();
+    repo.add(pel);
+    auto id2 = pel->id();
+
+    dataIface.changeHostState(true);
+
+    runEvents(sdEvent, 2);
+
+    // The were both sent.
+    EXPECT_EQ(mockHostIface.numCmdsProcessed(), 2);
+    EXPECT_EQ(notifier.queueSize(), 0);
+
+    dataIface.changeHostState(false);
+
+    // Those PELs weren't acked, so they will get sent again
+    EXPECT_EQ(notifier.queueSize(), 2);
+
+    // Power back on and send them again
+    dataIface.changeHostState(true);
+    runEvents(sdEvent, 2);
+
+    EXPECT_EQ(mockHostIface.numCmdsProcessed(), 4);
+    EXPECT_EQ(notifier.queueSize(), 0);
+
+    // Ack them and verify the state in the PEL.
+    notifier.ackPEL(id1);
+    notifier.ackPEL(id2);
+
+    Repository::LogID id{Repository::LogID::Pel{id1}};
+    auto data = repo.getPELData(id);
+    PEL pelFromRepo1{*data};
+    EXPECT_EQ(pelFromRepo1.hostTransmissionState(), TransmissionState::acked);
+
+    id.pelID.id = id2;
+    data = repo.getPELData(id);
+    PEL pelFromRepo2{*data};
+    EXPECT_EQ(pelFromRepo2.hostTransmissionState(), TransmissionState::acked);
+
+    // Power back off, and they should't get re-added
+    dataIface.changeHostState(false);
+
+    EXPECT_EQ(notifier.queueSize(), 0);
+}