initial import of binary logger support code

amxmodx/binlog.cpp

@@ -0,0 +1,125 @@
+#include "amxmodx.h"
+#include "binlog.h"
+
+#if defined BINLOG_ENABLED
+
+BinLog g_BinLog;
+
+bool BinLog::Open()
+{
+	const char *data = get_localinfo("amxmodx_datadir", "addons/amxmodx/data");
+	char path[255];
+	build_pathname_r(path, sizeof(path)-1, "%s/binlogs", data);
+	
+	if (!DirExists(path))
+	{
+		mkdir(path
+#if defined __linux__
+			, 0755
+#endif
+			);
+		if (!DirExists(path))
+			return false;
+	}
+
+	char file[255];
+	build_pathname_r(file, sizeof(file)-1, "%s/binlogs/lastlog", data);
+
+	unsigned int lastcntr = 0;
+	FILE *lastlog = fopen(file, "rb");
+	if (lastlog)
+	{
+		if (fread(&lastcntr, sizeof(int), 1, lastlog) != 1)
+			lastcntr = 0;
+		fclose(lastlog);
+	}
+	lastlog = fopen(file, "wb");
+	if (lastlog)
+	{
+		lastcntr++;
+		fwrite(&lastcntr, sizeof(int), 1, lastlog);
+		fclose(lastlog);
+	}
+	build_pathname_r(file, sizeof(file)-1, "%s/binlogs/binlog%04d.blg", data, lastcntr);
+	m_logfile.assign(file);
+	build_pathname_r(file, sizeof(file)-1, "%s/binlogs/bindb%04d.bdb", data, lastcntr);
+	m_dbfile.assign(file);
+
+	return true;
+}
+
+void BinLog::Close()
+{
+	//dummy function - logs are not kept open
+}
+
+void BinLog::CacheAllPlugins()
+{
+	FILE *fp = fopen(m_dbfile.c_str(), "wb");
+	if (!fp)
+		return;
+
+	unsigned int magic = BINDB_MAGIC;
+	unsigned short vers = BINDB_VERSION;
+
+	fwrite(&magic, sizeof(unsigned int), 1, fp);
+	fwrite(&vers, sizeof(unsigned short), 1, fp);
+
+	int num = g_plugins.getPluginsNum();
+	fwrite(&num, sizeof(int), 1, fp);
+
+	CPluginMngr::CPlugin *pl;
+	char c;
+	unsigned char len;
+	for (CPluginMngr::iterator iter = g_plugins.begin(); iter; ++iter)
+	{
+		pl = &(*iter);
+		if (pl->isValid())
+			c = 1;
+		else
+			c = 0;
+		fwrite(&c, sizeof(char), 1, fp);
+		len = (char)strlen(pl->getName());
+		fwrite(&len, sizeof(char), 1, fp);
+		len++;
+		fwrite(pl->getName(), sizeof(char), len, fp);
+		int objcount;
+		AMX *amx = pl->getAMX();
+		amx_NumNatives(amx, &objcount);
+		char name[34];
+		for (int i=0; i<objcount; i++)
+		{
+			amx_GetNative(amx, i, name);
+			len = (char)strlen(name);
+			fwrite(&len, sizeof(char), 1, fp);
+			len++;
+			fwrite(name, sizeof(char), len, fp);
+		}
+		amx_NumPublics(amx, &objcount);
+		for (int i=0; i<objcount; i++)
+		{
+			amx_GetPublic(amx, i, name);
+			len = (char)strlen(name);
+			fwrite(&len, sizeof(char), 1, fp);
+			len++;
+			fwrite(name, sizeof(char), len, fp);
+		}
+	}
+	fclose(fp);
+
+	/**
+	 * it's now safe to create the binary log
+	 */
+	fp = fopen(m_logfile.c_str(), "wb");
+	if (!fp)
+		return;
+
+	magic = BINLOG_MAGIC;
+	vers = BINLOG_VERSION;
+	c = sizeof(time_t);
+	fwrite(&magic, sizeof(int), 1, fp);
+	fwrite(&vers, sizeof(short), 1, fp);
+	fwrite(&c, sizeof(char), 1, fp);
+}
+
+#endif //BINLOG_ENABLED

amxmodx/binlog.h

@@ -0,0 +1,68 @@
+#ifndef _INCLUDE_BINLOG_H
+#define _INCLUDE_BINLOG_H
+
+#if defined BINLOG_ENABLED
+
+#include "CString.h"
+
+#define BINLOG_MAGIC	0x414D424C
+#define BINLOG_VERSION	0x0100
+#define BINDB_MAGIC		0x414D4244
+#define BINDB_VERSION	0x0100
+
+/**
+ * Format of binlog:
+ * int32_t		magic
+ * int16_t		version
+ * int8_t		sizeof(time_t)
+ * [
+ *  time_t		realtime
+ *  float		gametime
+ *  int8_t		operation code
+ *  int16_t		plugin id
+ *  <extra info>
+ * ]
+ * Format of bindb:
+ * int32_t		magic
+ * int16_t		version
+ * int16_t		num plugins
+ * [
+ *  str[int8_t]	filename
+ *  int8_t		valid/loaded?
+ *  int16_t		num natives
+ *  [
+ *   str[int8_t] native name
+ *  ]
+ *  int16_t		num publics
+ *  [
+ *   str[int8_t] public name
+ *  ]
+ */
+
+enum BinLogOp
+{
+	BinLog_Start=0,
+	BinLog_End,
+	BinLog_NativeCall,	//<int16_t native id>
+	BinLog_CallPubFunc,	//<int16_t public id>
+	BinLog_SetLine,		//<int16_t line no#>
+	BinLog_Registered,	//<string title> <string version>
+};
+
+class BinLog
+{
+public:
+	bool Open();
+	void Close();
+	void CacheAllPlugins();
+	void WriteOp(BinLogOp op, ...);
+private:
+	String m_dbfile;
+	String m_logfile;
+};
+
+#endif //BINLOG_ENABLED
+
+extern BinLog g_BinLog;
+
+#endif //_INCLUDE_BINLOG_H

amxmodx/file.cpp

@@ -307,27 +307,7 @@ static cell AMX_NATIVE_CALL dir_exists(AMX *amx, cell *params) /* 1 param */
 	char *sFile = get_amxstring(amx, params[1], 0, iLen);
 	char *file = build_pathname("%s", sFile);
 
-#if defined WIN32 || defined _WIN32
-	DWORD attr = GetFileAttributes(file);
-	
-	if (attr == INVALID_FILE_ATTRIBUTES)
-		return 0;
-	
-	if (attr & FILE_ATTRIBUTE_DIRECTORY)
-		return 1;
-	
-	return 0;
-#else
-	struct stat s;
-	
-	if (stat(file, &s) != 0)
-		return 0;
-	
-	if (S_ISDIR(s.st_mode))
-		return 1;
-	
-	return 0;
-#endif
+	return DirExists(file) ? 1 : 0;
 }
 
 static cell AMX_NATIVE_CALL file_size(AMX *amx, cell *params) /* 1 param */

amxmodx/meta_api.cpp

@@ -39,6 +39,7 @@
 #include "fakemeta.h"
 #include "newmenus.h"
 #include "natives.h"
+#include "binlog.h"
 
 plugin_info_t Plugin_info = 
 {
@@ -298,6 +299,13 @@ int	C_Spawn(edict_t *pent)
 	// Set server flags
 	memset(g_players[0].flags, -1, sizeof(g_players[0].flags));
 
+#if defined BINLOG_ENABLED
+	if (!g_BinLog.Open())
+	{
+		LOG_ERROR(PLID, "Binary log failed to open.");
+	}
+#endif
+
 	// ###### Load AMX scripts
 	g_plugins.loadPluginsFromFile(get_localinfo("amxx_plugins", "addons/amxmodx/configs/plugins.ini"));
 	g_plugins.Finalize();
@@ -317,6 +325,10 @@ int	C_Spawn(edict_t *pent)
 	FF_ClientAuthorized = registerForward("client_authorized", ET_IGNORE, FP_CELL, FP_DONE);
 	FF_ChangeLevel = registerForward("server_changelevel", ET_STOP, FP_STRING, FP_DONE);
 
+#if defined BINLOG_ENABLED
+	g_BinLog.CacheAllPlugins();
+#endif
+
 	modules_callPluginsLoaded();
 
 	// ###### Call precache forward function

amxmodx/modules.cpp

@@ -57,6 +57,30 @@ ModuleCallReason g_ModuleCallReason;
 
 extern const char* no_function;				// stupid work around
 
+bool DirExists(const char *dir)
+{
+#if defined WIN32 || defined _WIN32
+	DWORD attr = GetFileAttributes(dir);
+	
+	if (attr == INVALID_FILE_ATTRIBUTES)
+		return false;
+	
+	if (attr & FILE_ATTRIBUTE_DIRECTORY)
+		return true;
+	
+#else
+	struct stat s;
+	
+	if (stat(dir, &s) != 0)
+		return false;
+	
+	if (S_ISDIR(s.st_mode))
+		return true;
+#endif
+
+	return false;
+}
+
 void report_error(int code, char* fmt, ...)
 {
 	va_list argptr;

amxmodx/modules.h

@@ -78,6 +78,8 @@ class Debugger;
 Debugger *DisableDebugHandler(AMX *amx);
 void EnableDebugHandler(AMX *amx, Debugger *pd);
 
+bool DirExists(const char *dir);
+
 const char* GetFileName(AMX *amx);
 
 #endif // __MODULES_H__