commit b6616cdda24eed66e3e23762eee7857d62ce0b85
author Amithash Prasad <amithash@meta.com> Thu May 29 15:56:51 2025 -0700
committer Amithash Prasad <amithash@meta.com> Thu Jun 12 10:45:51 2025 -0700
tree 46a7c33f2f644e1de83912ce244faea5d3ddc025
parent 4e1910bb8c85693557904c18079b9f2d8f32101b

Add support for post code handling/eventing

Add support to consume a JSON configuration which
will let a platform configuration to dictate if
we need to do special handling or logging based
on specific post codes received.

Tested:

1. Created the following config and after restarting
`xyz.openbmc_project.State.Boot.PostCode@0.service`:
```
[
    {
        "primary": [1,2,5],
        "event": {
            "name": "xyz.openbmc_project.State.SMC.SMCFailed",
            "arguments": {
                "IDENTIFIER": "test",
                "FAILURE_TYPE": "world"
            }
        }
    }
]
```

Created the primary post code:
```
root@bmc:~# busctl set-property xyz.openbmc_project.State.Boot.Raw /xyz/openbmc_project/state/boot/raw0 xyz.openbmc_project.State.Boot.Raw Value '(ayay)' 3 0x1 0x2 0x5 0x0
```
Check that the log is created:
```
root@bmc:~# busctl introspect -l xyz.openbmc_project.Logging /xyz/openbmc_project/logging/entry/2 xyz.openbmc_project.Logging.Entry | grep "AdditionalData\|Message"
.AdditionalData property  a{ss}     6 "FAILURE_TYPE" "world" "IDENTIFIER" "test" <snip>
.Message property  s "xyz.openbmc_project.State.SMC.SMCFailed"
```
2. Replace the config with:
```
[
    {
        "primary": [1,2,6],
        "targets": ["testservice.service"]
    }
]
```
Create a test unit file:
testservice.service:
```
[Unit]
Description=A simple oneshot service

[Service]
Type=oneshot
ExecStart=/bin/bash -c "echo Hello world > /tmp/test.txt"
```
Issue a new post code with the new config.
```
systemctl daemon-reload
systemctl restart xyz.openbmc_project.State.Boot.PostCode@0.service
root@bmc:/usr/lib/systemd/system# busctl set-property xyz.openbmc_project.State.Boot.Raw /xyz/openbmc_project/state/boot/raw0 xyz.openbmc_project.State.Boot.Raw Value '(ayay)' 3 0x1 0x2 0x5 0x0
root@bmc:/usr/lib/systemd/system# cat /tmp/test.txt
Hello world
```

Change-Id: Ibaa09fb88190a344fd7c4fadd24dda4aa4ae0633
Signed-off-by: Amithash Prasad <amithash@meta.com>

src/main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index be4b6b9..6ed2e55 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -23,19 +23,24 @@
     int optIndex = 0;
     int ret = 0;
     int node = 0;
+    PostCodeHandlers handlers;
 
     std::string intfName;
 
     static struct option longOpts[] = {{"host", required_argument, 0, 'h'},
+                                       {"config", required_argument, 0, 'c'},
                                        {0, 0, 0, 0}};
 
-    while ((arg = getopt_long(argc, argv, "h:", longOpts, &optIndex)) != -1)
+    while ((arg = getopt_long(argc, argv, "h:c:", longOpts, &optIndex)) != -1)
     {
         switch (arg)
         {
             case 'h':
                 node = std::stoi(optarg);
                 break;
+            case 'c':
+                handlers.load(optarg);
+                break;
             default:
                 break;
         }
@@ -64,7 +69,7 @@
 
     bus.request_name(intfName.c_str());
 
-    PostCode postCode{bus, dbusObjName.c_str(), eventP, node};
+    PostCode postCode{bus, dbusObjName.c_str(), eventP, node, handlers};
 
     try
     {