commit cae1866fd076f05b15d6ec8bfab8da9f1809b8dd
author George Liu <liuxiwei@inspur.com> Fri May 15 09:32:57 2020 +0800
committer Deepak Kodihalli <dkodihal@in.ibm.com> Fri Jul 31 07:53:36 2020 -0500
tree 1e53ae0a48ea92a3c36147d160d68047cdaa701e
parent a917012d23a0bdbd79d58521cd13b90aa0a57dad

send PLDM event msg when state sensor changes

Add the D-Bus to event handler interface to listen all of the state
sensor PDRs and pldm should be able to send up a PLDM event msg when a
D-Bus property changes. the PlatformEventMessage command format is
defined in Table 15 in DSP0248 v1.2.0.

Tested: test with JSON
https://gist.github.com/lxwinspur/6a40abea7330c25e4d49826e890c4be9
The sendEventMsg method is successfully called and the corresponding
message is successfully sent when the D-Bus property value of the sensor
status changes.
print requestMsg Data: 80 02 0a 01 00 00 01 00 01 00 00 00(when calling
sendEventMsg method)

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I9b6d5c1403bfcaa00dbbf478f7d797cc4a40f20d

pldmd/pldmd.cpp

diff --git a/pldmd/pldmd.cpp b/pldmd/pldmd.cpp
index 192112e..e4a865b 100644
--- a/pldmd/pldmd.cpp
+++ b/pldmd/pldmd.cpp
@@ -6,6 +6,7 @@
 #include "common/utils.hpp"
 #include "dbus_impl_pdr.hpp"
 #include "dbus_impl_requester.hpp"
+#include "host-bmc/dbus_to_event_handler.hpp"
 #include "host-bmc/dbus_to_host_effecters.hpp"
 #include "host-bmc/host_pdr_handler.hpp"
 #include "invoker.hpp"
@@ -49,6 +50,7 @@
 using namespace pldm;
 using namespace sdeventplus;
 using namespace sdeventplus::source;
+using namespace pldm::state_sensor;
 
 static Response processRxMsg(const std::vector<uint8_t>& requestMsg,
                              Invoker& invoker, dbus_api::Requester& requester)
@@ -174,6 +176,7 @@
     std::unique_ptr<HostPDRHandler> hostPDRHandler;
     std::unique_ptr<pldm::host_effecters::HostEffecterParser>
         hostEffecterParser;
+    std::unique_ptr<DbusToPLDMEvent> dbusToPLDMEventHandler;
     auto dbusHandler = std::make_unique<DBusHandler>();
     auto hostEID = pldm::utils::readHostEID();
     if (hostEID)
@@ -185,6 +188,8 @@
             std::make_unique<pldm::host_effecters::HostEffecterParser>(
                 &dbusImplReq, sockfd, pdrRepo.get(), dbusHandler.get(),
                 HOST_JSONS_DIR, verbose);
+        dbusToPLDMEventHandler =
+            std::make_unique<DbusToPLDMEvent>(sockfd, hostEID, dbusImplReq);
     }
 
     Invoker invoker{};
@@ -195,11 +200,12 @@
     // FRU table is built lazily when a FRU command or Get PDR command is
     // handled. To enable building FRU table, the FRU handler is passed to the
     // Platform handler.
-    invoker.registerHandler(PLDM_PLATFORM,
-                            std::make_unique<platform::Handler>(
-                                dbusHandler.get(), PDR_JSONS_DIR,
-                                EVENTS_JSONS_DIR, pdrRepo.get(),
-                                hostPDRHandler.get(), fruHandler.get(), true));
+    invoker.registerHandler(PLDM_PLATFORM, std::make_unique<platform::Handler>(
+                                               dbusHandler.get(), PDR_JSONS_DIR,
+                                               EVENTS_JSONS_DIR, pdrRepo.get(),
+                                               hostPDRHandler.get(),
+                                               dbusToPLDMEventHandler.get(),
+                                               fruHandler.get(), true));
     invoker.registerHandler(PLDM_FRU, std::move(fruHandler));
 
 #ifdef OEM_IBM