Fix plugin logging on Windows

Author: medengineer

Source/Utils/CMakeLists.txt

@@ -10,6 +10,7 @@ add_sources(
   BroadcastParser.cpp
   BroadcastPayload.h
   BroadcastPayload.cpp
-  Utils.h)
-
+  Utils.h
+  Utils.cpp
+)
 # add nested directories

Source/Utils/Utils.cpp

@@ -0,0 +1,69 @@
+#include "Utils.h"
+
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
+
+#include <cctype>
+
+std::string OELogger::getModuleName() {
+#ifdef _WIN32
+    HMODULE hModule = nullptr;
+    // Get handle to the module containing the current instruction pointer
+    GetModuleHandleEx(
+        GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
+        (LPCTSTR)(void*)_ReturnAddress(),  // Cast return address properly
+        &hModule);
+    
+    WCHAR modulePath[MAX_PATH + 256];
+    if (GetModuleFileNameW(hModule, modulePath, (DWORD)(MAX_PATH + 256))) {
+        // Convert WCHAR to std::string using UTF-8 encoding
+        int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, modulePath, -1, NULL, 0, NULL, NULL);
+        std::string result(sizeNeeded, 0);
+        WideCharToMultiByte(CP_UTF8, 0, modulePath, -1, &result[0], sizeNeeded, NULL, NULL);
+        return formatModuleName(result);
+    }
+    return "[unknown]";
+#else
+    // macOS/Linux implementation
+    Dl_info info;
+    if (dladdr(reinterpret_cast<void*>(__builtin_return_address(0)), &info)) {
+        if (info.dli_fname) {
+            return formatModuleName(std::string(info.dli_fname));
+        }
+    }
+    return "[unknown]";
+#endif
+}
+
+std::string OELogger::formatModuleName(const std::string& path) {
+    size_t lastSlash = path.find_last_of("/\\");
+    std::string basename = path.substr(lastSlash + 1);
+    
+    // Remove .exe or .dll extension on Windows
+    #ifdef _WIN32
+    size_t lastDot = basename.find_last_of('.');
+    if (lastDot != std::string::npos) {
+        std::string ext = basename.substr(lastDot);
+        if (_stricmp(ext.c_str(), ".exe") == 0 || _stricmp(ext.c_str(), ".dll") == 0) {
+            basename = basename.substr(0, lastDot);
+        }
+    }
+    #endif
+
+    std::string formatted;
+    for (size_t i = 0; i < basename.length(); ++i) {
+        char ch = basename[i];
+        if (std::isupper(ch)) {
+            if (i > 0) {
+                formatted += '-';
+            }
+            formatted += std::tolower(ch);
+        } else {
+            formatted += ch;
+        }
+    }
+    return "[" + formatted + "]";
+}

Source/Utils/Utils.h

@@ -31,12 +31,11 @@
 #include <map>
 #include <mutex>
 #include <string>
-#include <dlfcn.h>
 
 #include "../Processors/PluginManager/OpenEphysPlugin.h"
 
 /* Thread-safe logger */
-class OELogger
+class PLUGIN_API OELogger
 {
 public:
     static OELogger& instance()
@@ -83,34 +82,8 @@ class OELogger
         logFile << "[open-ephys] Session start time: " << ctime (&now);
     }
 
-    std::string getModuleName() const {
-        Dl_info info;
-        if (dladdr(reinterpret_cast<void*>(__builtin_return_address(0)), &info))
-        {
-            if (info.dli_fname) {
-                return formatModuleName(std::string(info.dli_fname));
-            }
-        }
-        return "[unknown]";
-    }
-
-    std::string formatModuleName(const std::string& path) const {
-        size_t lastSlash = path.find_last_of("/\\");
-        std::string basename = path.substr(lastSlash + 1);
-        std::string formatted;
-        for (size_t i = 0; i < basename.length(); ++i) {
-            char ch = basename[i];
-            if (std::isupper(ch)) {
-                if (i > 0) {
-                    formatted += '-'; // Add hyphen before uppercase letters (except the first one)
-                }
-                formatted += std::tolower(ch); // Convert to lowercase
-            } else {
-                formatted += ch;
-            }
-        }
-        return "[" + formatted + "]";
-    }
+    static std::string getModuleName();
+    static std::string formatModuleName(const std::string& path);
 
 private:
     std::mutex mt;