commit f7116de80882b7edad729e7d8747639eff600b08
author Ravi Teja <raviteja28031990@gmail.com> Sun Dec 08 22:48:21 2024 -0600
committer Ravi Teja <raviteja28031990@gmail.com> Tue Apr 15 12:36:06 2025 +0000
tree 483578d1b75d4d716dc1090df7726c8110a5160f
parent 4fe8613f138b5dda20e555a9bbe1c08b1c022b75

Add LLDP configuration support

This commit implements EmitLLDP D-bus property to support configuration
of enable/disable LLDP of each ethernet interface.

Tested by:
Set EmitLLDP D-bus property on
xyz.openbmc_project.Network.EthernetInterface

Change-Id: I4ebedff9d3f914219f2f84c861fdee126584a94b
Signed-off-by: Ravi Teja <raviteja28031990@gmail.com>

src/util.cpp

diff --git a/src/util.cpp b/src/util.cpp
index edee79a..ac4d1b4 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -15,6 +15,7 @@
 #include <xyz/openbmc_project/Common/error.hpp>
 
 #include <cctype>
+#include <fstream>
 #include <string>
 #include <string_view>
 
@@ -26,6 +27,7 @@
 using std::literals::string_view_literals::operator""sv;
 using namespace phosphor::logging;
 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
+static constexpr std::string_view lldpdConfigFilePath = "/etc/lldpd.conf";
 
 namespace internal
 {
@@ -226,5 +228,42 @@
         .value_or(true);
 }
 
+std::map<std::string, bool> parseLLDPConf()
+{
+    std::ifstream lldpdConfig(lldpdConfigFilePath.data());
+    std::map<std::string, bool> portStatus;
+
+    if (!lldpdConfig.is_open())
+    {
+        return portStatus;
+    }
+
+    std::string line;
+    while (std::getline(lldpdConfig, line))
+    {
+        std::string configurePortsStr = "configure ports ";
+        std::string lldpStatusStr = "lldp status ";
+        size_t portStart = line.find(configurePortsStr);
+        if (portStart != std::string::npos)
+        {
+            portStart += configurePortsStr.size();
+            size_t portEnd = line.find(' ', portStart);
+            if (portEnd == std::string::npos)
+            {
+                portEnd = line.length();
+            }
+            std::string portName = line.substr(portStart, portEnd - portStart);
+            size_t pos = line.find(lldpStatusStr);
+            if (pos != std::string::npos)
+            {
+                std::string statusStr = line.substr(pos + lldpStatusStr.size());
+                portStatus[portName] = (statusStr == "disabled") ? false : true;
+            }
+        }
+    }
+    lldpdConfig.close();
+    return portStatus;
+}
+
 } // namespace network
 } // namespace phosphor