Fix libdir path and proc data fetch routine (#231)

---
Signed-off-by: Kartik Nema <kartnema@qti.qualcomm.com>

Author: kartnema

contextual-classifier/ContextualClassifierInit.cpp

@@ -6,6 +6,7 @@
 #include <cstdarg>
 
 #include "Logger.h"
+#include "Config.h"
 #include "ComponentRegistry.h"
 
 // Helper function from ContextualClassifier to format strings
@@ -36,11 +37,11 @@ static ErrCode init(void *arg = nullptr) {
     }
 
     // This should match the installed path of libContextualClassifier.so
-    const char *so_name = "/usr/lib/libContextualClassifier.so.1";
-    g_cc_handle = dlopen(so_name, RTLD_NOW);
+    std::string so_name = std::string(LIBDIR_PATH) + "/libContextualClassifier.so.1";
+    g_cc_handle = dlopen(so_name.c_str(), RTLD_NOW);
     if (!g_cc_handle) {
         LOGE(CLASSIFIER_TAG,
-             format_string("Failed to dlopen %s: %s", so_name, dlerror()));
+             format_string("Failed to dlopen %s: %s", so_name.c_str(), dlerror()));
         // Do not fail the entire URM; just disable classifier functionality.
         return RC_SUCCESS;
     }
@@ -51,7 +52,7 @@ static ErrCode init(void *arg = nullptr) {
     const char *err = dlerror();
     if (err != nullptr || !g_cc_init) {
         LOGE(CLASSIFIER_TAG,
-             format_string("Failed to resolve ccInit in %s: %s", so_name,
+             format_string("Failed to resolve ccInit in %s: %s", so_name.c_str(),
                            err ? err : "unknown"));
         dlclose(g_cc_handle);
         g_cc_handle = nullptr;
@@ -64,7 +65,7 @@ static ErrCode init(void *arg = nullptr) {
     err = dlerror();
     if (err != nullptr || !g_cc_term) {
         LOGE(CLASSIFIER_TAG,
-             format_string("Failed to resolve ccTerminate in %s: %s", so_name,
+             format_string("Failed to resolve ccTerminate in %s: %s", so_name.c_str(),
                            err ? err : "unknown"));
         dlclose(g_cc_handle);
         g_cc_handle = nullptr;

debian/userspace-resource-manager.install

@@ -1,9 +1,7 @@
 usr/bin/urm
 usr/bin/urmCli
-usr/lib/${DEB_HOST_MULTIARCH}/*.so*
 etc/urm/common/*
 usr/include/Urm/*
 usr/lib/systemd/system/urm.service
 etc/urm/classifier/*
-usr/lib/libContextualClassifier.so*
-usr/lib/libml_inference_lib.so*
+usr/lib/${DEB_HOST_MULTIARCH}/*.so*

modula/CoreModules/AuxRoutines.cpp

@@ -128,19 +128,42 @@ pid_t AuxRoutines::fetchPid(const std::string& process_name) {
     }
 
     closedir(proc_dir);
-    return -1; // Not found
+    return -1;
 }
 
 int8_t AuxRoutines::getProcName(pid_t pid, std::string& procName) {
-    std::string comm = "";
-    std::string commPath = COMM(pid);
-    std::ifstream commFile(commPath);
+    std::string cmdlinePath = "/proc/" + std::to_string(pid) + "/cmdline";
+    std::ifstream cmdlineFile(cmdlinePath);
+    
+    if(cmdlineFile.is_open()) {
+        std::string cmdline;
+        std::getline(cmdlineFile, cmdline, '\0');
+        
+        if(!cmdline.empty()) {
+            size_t lastSlash = cmdline.find_last_of('/');
+            if(lastSlash != std::string::npos) {
+                procName = cmdline.substr(lastSlash + 1);
+            } else {
+                procName = cmdline;
+            }
+            
+            size_t first = procName.find_first_not_of(" \t\n\r");
+            if(first != std::string::npos) {
+                size_t last = procName.find_last_not_of(" \t\n\r");
+                procName = procName.substr(first, (last - first + 1));
+            }
+            
+            return true;
+        }
+    }
 
-    std::string processName = "";
+    std::string commPath = "/proc/" + std::to_string(pid) + "/comm";
+    std::ifstream commFile(commPath);
+    
     if(commFile.is_open()) {
+        std::string processName;
         std::getline(commFile, processName);
 
-        // Trim
         size_t first = processName.find_first_not_of(" \t\n\r");
         if(first != std::string::npos) {
             size_t last = processName.find_last_not_of(" \t\n\r");