pstrace: initial commit

2020-01-04 14:28:08 +04:00
parent 82c73720b1
commit 1f3a6237ac
13 changed files with 1391 additions and 0 deletions
@@ -0,0 +1,108 @@
+#ifndef LOG_FILE_H_
+#define LOG_FILE_H_
+
+//framework
+#include "log.h"
+#include <stdio.h>
+#include <sys/types.h>
+
+using std::string;
+
+//=============================================================================================
+// SWI Logger to file logging class declaration
+//=============================================================================================
+class SC_LogFile : public SC_LogBase
+{
+public:
+
+    SC_LogFile(uint32_t id, const char* source) : SC_LogBase(id, source)
+    {
+        mFile = 0;
+        //2GByte by default
+        mMaxFileSize = 0x0000000080000000ULL;
+        mBytesCount = 0;
+    }
+
+    //open file for writing
+    inline virtual bool Open()
+    {
+        if(!mFile) {
+            // extract log and path names
+            uint32_t namelen = mSource.size();
+            if(namelen) {
+                const char* ptr = strrchr(mSource.c_str(), '/');
+                uint32_t pathlen = 0;
+                if(ptr) {
+                    pathlen = ptr - mSource.c_str() + 1;
+                    namelen -= pathlen + 1;
+                }
+
+                mLogPath.append(mSource.c_str(), pathlen);
+
+                mLogName.append((mSource.c_str() + pathlen), namelen);
+
+                //open the file finally
+                mFile = fopen(mSource.c_str(), "a+");
+            }
+        }
+
+        return (mFile != 0);
+    }
+
+    //close file opened
+    inline virtual void Close()
+    {
+        if(mFile) {
+            fclose(mFile);
+        }
+
+        mFile = 0;
+        mBytesCount = 0;
+    }
+
+    //whether file already opened or not
+    inline virtual bool IsOpened()
+    {
+        return (mFile != 0);
+    }
+
+    inline void SetMaxFileSize(uint64_t size)
+    {
+        mMaxFileSize = size;
+    }
+
+    inline uint64_t GetMaxFileSize()
+    {
+        return mMaxFileSize;
+    }
+
+    inline FILE* GetLogFD()
+    {
+        return mFile;
+    }
+
+protected:
+
+    inline virtual void SendMessage(const char* msg)
+    {
+        if(mFile && mBytesCount < mMaxFileSize) {
+            if(fputs(msg, mFile) >= 0) {
+            	fflush(mFile);
+            	mBytesCount += mStringLen;
+            } else {
+            	fclose(mFile);
+            	mFile = 0;
+            }
+        }
+    }
+
+protected:
+
+    string              mLogPath;       //path to the log file
+    string              mLogName;       //name of the log file
+    FILE*               mFile;          //log file descriptor
+    uint64_t            mMaxFileSize;   //maximum number bytes allowed to be written to the file
+    uint64_t            mBytesCount;    //number of bytes actually written
+};
+
+#endif /* LOG_FILE_H_ */