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