PEL: Add repo function to get a PEL FD
Add Repository::getPELFD() to return a file descriptor to a PEL data
file based on its ID.
This will be used by a future D-Bus method to return the descriptor to
the PLDM daemon.
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I1110a514e30a9387d9672e42862139b988717c53
diff --git a/extensions/openpower-pels/repository.cpp b/extensions/openpower-pels/repository.cpp
index f90a628..3bf3cb0 100644
--- a/extensions/openpower-pels/repository.cpp
+++ b/extensions/openpower-pels/repository.cpp
@@ -197,6 +197,29 @@
return std::nullopt;
}
+std::optional<sdbusplus::message::unix_fd> Repository::getPELFD(const LogID& id)
+{
+ auto pel = findPEL(id);
+ if (pel != _pelAttributes.end())
+ {
+ FILE* fp = fopen(pel->second.path.c_str(), "rb");
+
+ if (fp == nullptr)
+ {
+ auto e = errno;
+ log<level::ERR>("Unable to open PEL File", entry("ERRNO=%d", e),
+ entry("PATH=%s", pel->second.path.c_str()));
+ throw file_error::Open();
+ }
+
+ // Must leave the file open here. It will be closed by sdbusplus
+ // when it sends it back over D-Bus.
+
+ return fileno(fp);
+ }
+ return std::nullopt;
+}
+
void Repository::for_each(ForEachFunc func) const
{
for (const auto& [id, attributes] : _pelAttributes)