/* log4back.c (c)Copyright Sequiter Software Inc., 1988-1996. All rights reserved. */
/* Backs up server .LOG file */
/****************************************************************************
**:: Preprocessor Directives
****************************************************************************/
#include "d4all.h"
#ifndef S4UTILS
#error - Must compile with S4UTILS defined
#endif
#include "u4trans.h"
#ifndef S4WINDOWS
#ifndef S4UNIX
#ifdef __TURBOC__
#pragma hdrstop
#endif
extern unsigned _stklen = 10000;
#endif
#endif
#ifdef S4DLL_BUILD
extern FILE *stdout, *stderr ;
extern unsigned int messageType ;
HWND hWndStatus ; /* status window handle */
#endif
#define FILENAMELEN 12
#define UTIL4BACKLOG 0
#define UTIL4COMPRESS 1
#define UTIL4OVERWRITE 3
#ifndef S4UTIL_CONCURRENCY
#define UTIL4LOG 2
#else
#define UTIL4CONFIG 2
#endif
/****************************************************************************
**:: Global scope types and variables
****************************************************************************/
static UTIL4FLAG u4flags[] =
{
{ "Backlog", 0, 1, 1, 1, 1, 0, 0, 0, "{-backlog <backup.log>}\r\n" },
{ "COMpress", 0, 3, 1, 1, 1, 0, 0, 0, "[-compress {OFF | ON}]\r\n" },
#ifndef S4UTIL_CONCURRENCY
{ "Log", 0, 1, 1, 1, 1, 0, 0, 0, "{-log <server.log>}\r\n" },
#else
{ "CONfig", 0, 3, 1, -1, 0, 0, 0, 0, "[-config [<config.dbf>]]\r\n" },
#endif
{ "Overwrite", 0, 1, 1, 1, 1, 0, 0, 0, "[-overwrite {OFF | ON}]\r\n" },
};
static int u4flagsNum = 4;
static FIELD4INFO openFields[] =
{
{ "CLIENTID", 'N', 11, 0 },
{ "CLIENTDTID", 'N', 11, 0 },
{ "SERVERDTID", 'N', 11, 0 },
{ "PHYSNAME", 'C', LEN4PATH, 0 },
{ "RECWIDTH", 'N', 6, 0 },
{ "NUMFIELDS", 'N', 6, 0 },
{ "NUMRECORDS", 'N', 10, 0 },
{ "DBFTIME", 'N', 11, 0 },
{ "DBFDATE", 'C', 3, 0 },
{ "TEMP", 'L', 1, 0 },
{ "TIME", 'N', 11, 0 },
{ 0,0,0,0 },
};
static TAG4INFO openTags[] =
{
{ "CLID", "STR(CLIENTID,11,0)+STR(SERVERDTID,11,0)", ".NOT.DELETED()", r4unique, 0 },
{ 0,0,0,0,0 },
};
static FIELD4INFO tranFields[] =
{
{ "TRANID", 'N', 11, 0 },
{ 0,0,0,0 },
};
static TAG4INFO tranTags[] =
{
{ "TRANID", "STR(TRANID,11,0)", ".NOT.DELETED()", r4unique, 0 },
{ 0,0,0,0,0 },
};
static FIELD4INFO initFields[] =
{
{ "CLIENTID", 'N', 11, 0 },
{ "NETNAME", 'C', 80, 0 },
{ "CBNAME", 'C', 80, 0 },
{ "TIME", 'N', 11, 0 },
{ 0,0,0,0 },
};
static TAG4INFO initTags[] =
{
{ "CLIENTID", "STR(CLIENTID,11,0)", ".NOT.DELETED()", r4unique, 0 },
{ 0,0,0,0,0 },
};
#ifndef S4WINDOWS
char *statusStringBlank = " ";
char *statusStringMessg = "Processing log file: ";
char *statusStringBckSp = "\r";
char *statusStringFormt = "%3d.%02d%%%%";
#ifdef S4UNIX
char statusStringSpace[10] ;
#else
char *statusStringSpace = "100.00 ";
#endif
#else
extern char *statusStringBlank ;
extern char *statusStringMessg ;
extern char *statusStringBckSp ;
extern char *statusStringFormt ;
extern char *statusStringSpace ;
#endif
/*::************************************************************************/
/****************************************************************************
**:: Function: getLogFileName
**
*****************************************************************************
**
** Function: getLogFileName()
**
****************************************************************************/
#ifdef S4UTIL_CONCURRENCY
int S4FUNCTION getLogFileName(CODE4 *c4, UTIL4FLAG *u4flag, char **logFileName, char **serverName, char **protocol, char **processId)
{
int rc;
DATA4 *configDbf=0;
char *outMess[1];
if (u4flags[UTIL4CONFIG].ptr != 0)
configDbf = d4open(c4, u4flags[UTIL4CONFIG].ptr[0]);
else
configDbf = d4open(c4, "S4SERVER");
if (configDbf == 0)
return(-1);
rc = d4top(configDbf);
if (rc == 0)
{
*logFileName = u4allocFree(c4, f4len(d4field(configDbf, "LOGNAME"))+1);
if (*logFileName == 0)
rc = -1;
}
if (rc == 0)
{
*serverName = u4allocFree(c4, f4len(d4field(configDbf, "SERVERID"))+1);
if (*serverName == 0)
rc = -1;
}
if (rc == 0)
{
*protocol = u4allocFree(c4, f4len(d4field(configDbf, "PROTOCOL"))+1);
if (*protocol == 0)
rc = -1;
}
if (rc == 0)
{
*processId = u4allocFree(c4, f4len(d4field(configDbf, "PROCESSID"))+1);
if (*processId == 0)
rc = -1;
}
if (rc == 0)
{
strcpy(*logFileName, f4str(d4field(configDbf, "LOGNAME")));
c4trimN(*logFileName, f4len(d4field(configDbf, "LOGNAME"))+1);
if (**logFileName == 0)
{
rc = -1;
outMess[0] = "Config Dbf error! Logging is disabled.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
}
#ifdef S4UNIX
u4nameExt(*logFileName, f4len(d4field(configDbf, "LOGNAME"))+1, "log", 0);
#else
u4nameExt(*logFileName, f4len(d4field(configDbf, "LOGNAME"))+1, "LOG", 0);
#endif
strcpy(*serverName, f4str(d4field(configDbf, "SERVERID")));
c4trimN(*serverName, f4len(d4field(configDbf, "SERVERID"))+1);
if (**serverName == 0)
{
u4free(*serverName);
*serverName = 0;
}
strcpy(*protocol, f4str(d4field(configDbf, "PROTOCOL")));
c4trimN(*protocol, f4len(d4field(configDbf, "PROTOCOL"))+1);
if (**protocol == 0)
{
u4free(*protocol);
*protocol = 0;
}
else
if (**protocol == 'S' || **protocol == 's')
**protocol -= ('S'-'U');
else
{
rc = -1;
outMess[0] = "Config Dbf error! Protocol name does not follow expected naming convention.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
}
strcpy(*processId, f4str(d4field(configDbf, "PROCESSID")));
c4trimN(*processId, f4len(d4field(configDbf, "PROCESSID"))+1);
if (**processId == 0)
{
u4free(*processId);
*processId = 0;
}
}
rc = rc || d4close(configDbf);
return(rc);
}
#endif
/****************************************************************************
**:: Function: findIncompleteTran
**
*****************************************************************************
**
** Function: findIncompleteTran()
**
****************************************************************************/
int S4FUNCTION findIncompleteTran(CODE4 *c4, DATA4 *openDbf, DATA4 *tranDbf, DATA4 *initDbf, unsigned long logFileEof)
{
int rc, netNameLen, cbNameLen;
TRAN4 *t4;
char client[23], *outMess[3], *data;
TRAN4ENTRY_LEN len;
short intPart, decPart;
t4 = &c4->c4trans.trans;
#ifndef S4WINDOWS
outMess[0] = statusStringBlank;
util4out(c4, stderr, outMess, 1);
#endif
#ifdef S4DATA_ALIGN
long templong ;
short tempshort ;
#endif
for (rc = tran4top(t4); rc == 0; rc = tran4skip(t4, TRAN4FORWARDS))
{
intPart = (short)((unsigned long)c4->c4trans.trans.pos*50/logFileEof);
decPart = (short)((unsigned long)c4->c4trans.trans.pos*5000/logFileEof%100);
#ifndef S4WINDOWS
sprintf(statusStringSpace, statusStringFormt, intPart, decPart);
outMess[0] = statusStringBckSp;
outMess[1] = statusStringMessg;
outMess[2] = statusStringSpace;
util4out(c4, stderr, outMess, 3);
#else
sendStatusMessage( hWndStatus, intPart ) ;
#endif
switch (tran4type(t4))
{
case TRAN4BACKEDUP:
case TRAN4WRITE:
case TRAN4APPEND:
case TRAN4PACK:
case TRAN4ZAP:
case TRAN4VOID:
break;
case TRAN4SHUTDOWN:
rc = d4pack(openDbf);
if (rc != 0)
break;
if (d4recCount(openDbf) > 0)
{
outMess[0] = "\r\n\r\nLog file corrupt! DBF('s) open at shutdown, continuing.\r\n\r\n";
#ifndef S4WINDOWS
outMess[1] = statusStringBlank;
util4out(c4, stdout, outMess, 2);
#else
util4out(c4, stdout, outMess, 1) ;
#endif
rc = d4zap(openDbf, 1L, d4recCount(openDbf));
if (rc != 0)
break;
}
rc = d4pack(tranDbf);
if (rc != 0)
break;
if (d4recCount(tranDbf) > 0)
{
outMess[0] = "\r\n\r\nLog file corrupt! Transaction(s) unfinished at shutdown, continuing.\r\n\r\n";
#ifndef S4WINDOWS
outMess[1] = statusStringBlank;
util4out(c4, stdout, outMess, 2);
#else
util4out(c4, stdout, outMess, 1) ;
#endif
rc = d4zap(tranDbf, 1L, d4recCount(tranDbf));
if (rc != 0)
break;
}
rc = d4pack(initDbf);
if (rc != 0)
break;
if (d4recCount(initDbf) > 0)
{
outMess[0] = "\r\n\r\nLog file corrupt! User(s) initialized at shutdown, continuing.\r\n\r\n";
#ifndef S4WINDOWS
outMess[1] = statusStringBlank;
util4out(c4, stdout, outMess, 2);
#else
util4out(c4, stdout, outMess, 1) ;
#endif
rc = d4zap(initDbf, 1L, d4recCount(initDbf));
if (rc != 0)
break;
}
if (tran4serverDataId(&c4->c4trans.trans) > TRAN4VERSION_NUM)
{
outMess[0] = "\r\n\r\nLog file error! File is a newer version than this utility can handle!\r\n\r\n";
util4out(c4, stdout, outMess, 1);
rc = -1;
}
break;
case TRAN4INIT:
data = (char *)tran4getData(t4, 0L);
if (data == 0)
{
rc = -1;
break;
}
rc = d4appendStart(initDbf, 0);
if (rc != 0)
break;
d4blank(initDbf);
f4assignLong(d4field(initDbf, "CLIENTID"), tran4clientId(t4));
f4assignLong(d4field(initDbf, "TIME"), t4->header.time);
netNameLen = *(short *)data;
f4assignN(d4field(initDbf, "NETNAME"), data+2, netNameLen);
cbNameLen = *(short *)(data+2+netNameLen);
f4assignN(d4field(initDbf, "CBNAME"), data+4+netNameLen, cbNameLen);
rc = d4append(initDbf);
if (rc == r4unique)
{
outMess[0] = "\r\n\r\nLog file error! User already initialized.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
}
break;
case TRAN4INIT_UNDO:
util4rightJ(ltoa(tran4clientId(t4), client, 10), 12);
rc = d4seek(initDbf, client);
if (rc != 0)
{
if (rc == r4after || rc == r4eof)
{
outMess[0] = "\r\n\r\nLog file error! User uninitialized that is not initialized.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
rc = -1;
}
break;
}
d4delete(initDbf);
rc = d4seek(openDbf, client);
if (rc == 0)
{
outMess[0] = "\r\n\r\nLog file error! User uninitialized with DBF's still open.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
rc = -1;
break;
}
if (rc == r4after || rc == r4eof)
rc = 0;
break;
case TRAN4OPEN:
case TRAN4OPEN_TEMP:
data = (char *)tran4getData(t4, 0L);
if (data == 0)
{
rc = -1;
break;
}
rc = d4appendStart(openDbf, 0);
if (rc != 0)
break;
d4blank(openDbf);
f4assignLong(d4field(openDbf, "CLIENTID"), tran4clientId(t4));
f4assignLong(d4field(openDbf, "CLIENTDTID"), tran4clientDataId(t4));
f4assignLong(d4field(openDbf, "SERVERDTID"), tran4serverDataId(t4));
f4assignLong(d4field(openDbf, "TIME"), t4->header.time);
f4assignN(d4field(openDbf, "PHYSNAME"), data+2, *(short *)data);
#ifdef S4DATA_ALIGN
memcpy(&templong, (data+2+*(short *)data), sizeof(long)) ;
f4assignLong(d4field(openDbf, "RECWIDTH"), templong );
memcpy(&tempshort, (data+6+*(short *)data), sizeof(short)) ;
f4assignInt(d4field(openDbf, "NUMFIELDS"), tempshort);
memcpy(&templong, (data+8+*(short *)data), sizeof(long)) ;
f4assignLong(d4field(openDbf, "NUMRECORDS"), templong);
memcpy(&templong, (data+12+*(short *)data), sizeof(long)) ;
f4assignLong(d4field(openDbf, "DBFTIME"), templong);
#else
f4assignLong(d4field(openDbf, "RECWIDTH"), *(long *)(data+2+(*(short *)data)));
f4assignInt(d4field(openDbf, "NUMFIELDS"), *(short *)(data+6+(*(short *)data)));
f4assignLong(d4field(openDbf, "NUMRECORDS"), *(long *)(data+8+(*(short *)data)));
f4assignLong(d4field(openDbf, "DBFTIME"), *(long *)(data+12+(*(short *)data)));
#endif
f4assignN(d4field(openDbf, "DBFDATE"), data+16+(*(short *)data), 3);
if (tran4type(t4) == TRAN4OPEN_TEMP)
f4assignChar(d4field(openDbf, "TEMP"), 'Y');
rc = d4append(openDbf);
if (rc == r4unique)
{
outMess[0] = "\r\n\r\nLog file error! DBF identifier already used.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
}
break;
case TRAN4CLOSE:
util4rightJ(ltoa(tran4clientId(t4), client, 10), 12);
util4rightJ(ltoa(tran4serverDataId(t4), client+11, 10), 12);
rc = d4seek(openDbf, client);
if (rc != 0)
{
if (rc == r4after || rc == r4eof)
{
outMess[0] = "\r\n\r\nLog file error! DBF closed that is not open.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
rc = -1;
}
break;
}
d4delete(openDbf);
break;
case TRAN4START:
util4rightJ(ltoa(tran4clientId(t4), client, 10), 12);
rc = d4seek(initDbf, client);
if (rc != 0)
{
if (rc == r4after || rc == r4eof)
{
outMess[0] = "\r\n\r\nLog file error! Transaction started by user that is not initialized.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
rc = -1;
}
break;
}
rc = d4appendStart(tranDbf, 0);
if (rc != 0)
break;
d4blank(tranDbf);
f4assignLong(d4field(tranDbf, "TRANID"), tran4id(t4));
rc = d4append(tranDbf);
if (rc == r4unique)
{
outMess[0] = "\r\n\r\nLog file error! Transaction ID already started.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
}
break;
case TRAN4COMPLETE:
case TRAN4ROLLBACK:
util4rightJ(ltoa(tran4id(t4), client, 10), 12);
rc = d4seek(tranDbf, client);
if (rc != 0)
{
if (rc == r4after || rc == r4eof)
{
if (tran4type(t4) == TRAN4COMPLETE)
outMess[0] = "\r\n\r\nLog file error! Transaction completed that was not started.\r\n\r\n";
else
outMess[0] = "\r\n\r\nLog file error! Transaction rolledback that was not started.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
rc = -1;
}
break;
}
d4delete(tranDbf);
break;
default:
outMess[0] = "\r\n\r\nLog file error! Unknown log entry type.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
rc = -1;
}
if ( rc != 0 )
break;
if ((unsigned long)t4->pos+sizeof(LOG4HEADER)+sizeof(TRAN4ENTRY_LEN) > logFileEof)
{
rc = r4eof;
break;
}
rc = file4readAll(&c4->transFile.file, t4->pos+sizeof(LOG4HEADER), &len, sizeof(TRAN4ENTRY_LEN));
if (rc == 0 && (unsigned long)t4->pos+sizeof(LOG4HEADER)+len > logFileEof)
{
rc = r4eof;
break;
}
if (rc != 0)
break;
}
if (rc == r4eof)
rc = 0;
return(rc);
}
/****************************************************************************
**:: Function: compressTran
**
*****************************************************************************
**
** Function: compressTran()
**
****************************************************************************/
short S4FUNCTION compressTran(CODE4 *c4, DATA4 *openDbf, DATA4 *tranDbf, DATA4 *initDbf, unsigned long logFileEof, CODE4 *outTrans, CODE4 *tempTrans, int compress)
{
short rc, netLen, cbLen, physLen, numFields, intPart, decPart;
int type=-1;
TRAN4 *t4, *outT4, *tempT4;
char client[23], cbName[81], netName[81], *physName, *outMess[3];
long tempLong;
TRAN4ENTRY_LEN len;
t4 = &c4->c4trans.trans;
outT4 = &outTrans->c4trans.trans;
if (compress)
tempT4 = &tempTrans->c4trans.trans;
rc = tran4set(outT4, r4off, -1, 0, TRAN4BACKEDUP, 0, 0L, 0L);
if (rc < 0)
return(rc);
rc = tran4lowAppend(outT4, 0);
if (rc < 0)
return(rc);
if (compress != 0)
{
rc = tran4set(tempT4, r4off, -1, 0, TRAN4SHUTDOWN, 0, 0L, TRAN4VERSION_NUM);
if (rc < 0)
return(rc);
tempT4->header.time = 0L;
rc = tran4lowAppend(tempT4, 0);
if (rc < 0)
return(rc);
for (rc = d4top(initDbf); rc == 0; rc = d4skip(initDbf, 1L))
{
strcpy(netName, f4str(d4field(initDbf, "NETNAME")));
c4trimN(netName, 81);
netLen = strlen(netName);
strcpy(cbName, f4str(d4field(initDbf, "CBNAME")));
c4trimN(cbName, 81);
cbLen = strlen(cbName);
rc = tran4set(tempT4, r4off, -1, f4long(d4field(initDbf, "CLIENTID")), TRAN4INIT, cbLen+netLen+sizeof(cbLen)+sizeof(netLen), 0L, 0L);
if (rc < 0)
break;
tempT4->header.time = f4long(d4field(initDbf, "TIME"));
rc = tran4putData(tempT4, (void *)&netLen, sizeof(netLen));
if (rc < 0)
break;
if (netLen != 0)
{
rc = tran4putData(tempT4, (void *)netName, netLen);
if (rc < 0)
break;
}
rc = tran4putData(tempT4, (void *)&cbLen, sizeof(cbLen));
if (rc < 0)
break;
if (cbLen != 0)
{
rc = tran4putData(tempT4, (void *)cbName, cbLen);
if (rc < 0)
break;
}
rc = tran4lowAppend(tempT4, 0);
if (rc < 0)
break;
}
if (rc != r4eof)
return(rc);
for (rc = d4top(openDbf); rc == 0; rc = d4skip(openDbf, 1L))
{
physName = f4str(d4field(openDbf, "PHYSNAME"));
c4trimN(physName, LEN4PATH+1);
physLen = strlen(physName);
if (f4true(d4field(openDbf, "TEMP")))
type = TRAN4OPEN_TEMP;
else
type = TRAN4OPEN;
rc = tran4set(tempT4, r4off, -1, f4long(d4field(openDbf, "CLIENTID")), type, physLen+19, f4long(d4field(openDbf, "CLIENTDTID")), f4long(d4field(openDbf, "SERVERDTID")));
if (rc < 0)
break;
tempT4->header.time = f4long(d4field(openDbf, "TIME"));
rc = tran4putData(tempT4, (void *)&physLen, sizeof(physLen));
if (rc < 0)
break;
rc = tran4putData(tempT4, (void *)physName, physLen);
if (rc < 0)
break;
tempLong = f4long(d4field(openDbf, "RECWIDTH"));
rc = tran4putData(tempT4, (void *)&tempLong, sizeof(tempLong));
if (rc < 0)
break;
numFields = (short)f4long(d4field(openDbf, "NUMFIELDS"));
rc = tran4putData(tempT4, (void *)&numFields, sizeof(numFields));
if (rc < 0)
break;
tempLong = f4long(d4field(openDbf, "NUMRECORDS"));
rc = tran4putData(tempT4, (void *)&tempLong, sizeof(tempLong));
if (rc < 0)
break;
tempLong = f4long(d4field(openDbf, "DBFTIME"));
rc = tran4putData(tempT4, (void *)&tempLong, sizeof(tempLong));
if (rc < 0)
break;
rc = tran4putData(tempT4, f4ptr(d4field(openDbf, "DBFDATE")), 3);
if (rc < 0)
break;
rc = tran4lowAppend(tempT4, 0);
if (rc < 0)
break;
}
if (rc != r4eof)
return(rc);
}
for (rc = tran4top(t4); rc == 0; rc = tran4skip(t4, TRAN4FORWARDS))
{
intPart = (short)((unsigned long)c4->c4trans.trans.pos*50/logFileEof+50);
decPart = (short)((unsigned long)c4->c4trans.trans.pos*5000/logFileEof%100);
#ifndef S4WINDOWS
sprintf(statusStringSpace, statusStringFormt, intPart, decPart);
outMess[0] = statusStringBckSp;
outMess[1] = statusStringMessg;
outMess[2] = statusStringSpace;
util4out(c4, stderr, outMess, 3);
#else
sendStatusMessage( hWndStatus, intPart ) ;
#endif
type = tran4type(t4);
switch (type)
{
case TRAN4SHUTDOWN:
case TRAN4BACKEDUP:
case TRAN4INIT:
case TRAN4INIT_UNDO:
case TRAN4OPEN:
case TRAN4OPEN_TEMP:
case TRAN4CLOSE:
case TRAN4PACK:
case TRAN4ZAP:
case TRAN4VOID:
rc = tran4fileAppend(&outTrans->transFile, &t4->header, t4->c4trans->c4->tranData);
break;
case TRAN4START:
case TRAN4COMPLETE:
case TRAN4ROLLBACK:
case TRAN4WRITE:
case TRAN4APPEND:
util4rightJ(ltoa(tran4id(t4), client, 10), 12);
rc = d4seek(tranDbf, client);
if (rc == 0)
{
if (compress)
rc = tran4fileAppend(&tempTrans->transFile, &t4->header, t4->c4trans->c4->tranData);
}
else
if (rc == r4after || rc == r4eof)
rc = tran4fileAppend(&outTrans->transFile, &t4->header, t4->c4trans->c4->tranData);
break;
default:
outMess[0] = "\r\n\r\nLog file error! Unknown log entry type.\r\n\r\n";
util4out(c4, stdout, outMess, 1);
rc = -1;
}
if (rc != 0)
break;
if ((unsigned long)t4->pos+sizeof(LOG4HEADER)+sizeof(TRAN4ENTRY_LEN) > logFileEof)
{
rc = r4eof;
break;
}
rc = file4readAll(&c4->transFile.file, t4->pos+sizeof(LOG4HEADER), &len, sizeof(TRAN4ENTRY_LEN));
if (rc == 0 && (unsigned long)t4->pos+sizeof(LOG4HEADER)+len > logFileEof)
{
rc = r4eof;
break;
}
if (rc != 0)
break;
}
if (rc != r4eof)
return(rc);
#ifndef S4WINDOWS
outMess[0] = statusStringBckSp;
outMess[1] = statusStringMessg;
sprintf(statusStringSpace, statusStringFormt, 100, 0);
outMess[2] = statusStringSpace;
util4out(c4, stderr, outMess, 3);
outMess[0] = "\r\n";
util4out(c4, stderr, outMess, 1);
util4out(c4, stdout, outMess, 1);
#endif
for (rc = d4top(openDbf); rc == 0; rc = d4skip(openDbf, 1L))
{
rc = tran4set(outT4, r4off, -1, f4long(d4field(openDbf, "CLIENTID")), TRAN4CLOSE, 0, f4long(d4field(openDbf, "CLIENTDTID")), f4long(d4field(openDbf, "SERVERDTID")));
if (rc < 0)
break;
outT4->header.time = 0L;
rc = tran4lowAppend(outT4, 0);
if (rc < 0)
break;
}
if (rc != r4eof)
return(rc);
for (rc = d4top(initDbf); rc == 0; rc = d4skip(initDbf, 1L))
{
rc = tran4set(outT4, r4off, -1, f4long(d4field(initDbf, "CLIENTID")), TRAN4INIT_UNDO, 0, 0L, 0L);
if (rc < 0)
break;
outT4->header.time = 0L;
rc = tran4lowAppend(outT4, 0);
if (rc < 0)
break;
}
if (rc != r4eof)
return(rc);
rc = 0;
if (type != TRAN4SHUTDOWN)
{
rc = tran4set(outT4, r4off, -1, 0, TRAN4SHUTDOWN, 0, 0L, TRAN4VERSION_NUM);
if (rc < 0)
return(rc);
outT4->header.time = 0L;
rc = tran4lowAppend(outT4, 0);
}
else
{
if (compress)
{
rc = tran4set(tempT4, r4off, -1, 0, TRAN4SHUTDOWN, 0, 0L, TRAN4VERSION_NUM);
if (rc < 0)
return(rc);
tempT4->header.time = 0L;
rc = tran4lowAppend(tempT4, 0);
}
}
return(rc);
}
/****************************************************************************
**:: Function: backupLogFile
**
*****************************************************************************
**
** Function: backupLogFile()
**
****************************************************************************/
int S4FUNCTION backupLogFile(CODE4 *c4, CODE4 *outTrans, CODE4 *tempTrans, unsigned long logFileEof, int compress)
{
DATA4 *openDbf, *tranDbf, *initDbf;
int rc=0;
openDbf = d4createTemp(c4, openFields, openTags);
tranDbf = d4createTemp(c4, tranFields, tranTags);
initDbf = d4createTemp(c4, initFields, initTags);
if ((openDbf == 0) || (tranDbf == 0) || (initDbf == 0))
rc = -1;
if (rc == 0)
{
d4tagSelect(openDbf, d4tag(openDbf, "CLID"));
d4tagSelect(tranDbf, d4tag(tranDbf, "TRANID"));
d4tagSelect(initDbf, d4tag(initDbf, "CLIENTID"));
rc = findIncompleteTran(c4, openDbf, tranDbf, initDbf, logFileEof);
}
if (rc == 0)
rc = compressTran(c4, openDbf, tranDbf, initDbf, logFileEof, outTrans, tempTrans, compress);
if (initDbf)
rc = rc || d4close(initDbf);
if (tranDbf)
rc = rc || d4close(tranDbf);
if (openDbf)
rc = rc || d4close(openDbf);
return(rc);
}
/****************************************************************************
**:: Function: copyResidualLogFile
**
*****************************************************************************
**
** Function: copyResidualLogFile()
**
****************************************************************************/
short S4FUNCTION copyResidualLogFile(CODE4 *c4, CODE4 *tempTrans, unsigned long logFileEof, unsigned long logFileEofFull)
{
unsigned long diff;
unsigned short rc, bufSize;
char *buffer;
diff = logFileEofFull - logFileEof;
if (diff <= 0)
return((short)diff);
file4refresh(&c4->transFile.file);
file4refresh(&tempTrans->transFile.file);
bufSize = (unsigned short)(diff > 65000 ? 65000 : diff);
buffer = (char *)u4allocFree(c4, bufSize);
if (buffer == 0)
return(-1);
for (; diff>0; diff -= rc, logFileEof+= rc )
{
rc = file4read(&c4->transFile.file, logFileEof, buffer, bufSize);
if (rc <= 0)
{
u4free(buffer);
return(-1);
}
if (file4write(&tempTrans->transFile.file, file4len(&tempTrans->transFile.file), buffer, rc) < 0)
{
u4free(buffer);
return(-1);
}
}
u4free(buffer);
return(0);
}
/****************************************************************************
**:: Function: main
**
*****************************************************************************
**
** Function: main()
**
****************************************************************************/
#ifdef S4DLL_BUILD
int S4FUNCTION mainLog4Back(int argc, char *argv[], int hWnd )
#else
int main( int argc, char *argv[] )
#endif
{
CODE4 c4, outTrans, tempTrans;
char *logFileName=0, *tempFileName=0 ;
unsigned long logFileEof, logFileEofFull;
long len;
int rc=0, serverUp=0, i, j=0, compress, overwrite;
char *outMess[5], *outFileName;
#ifdef S4UTIL_CONCURRENCY
char *serverName=0, *protocol=0, *processId=0;
#endif
#ifdef S4WINDOWS
hWndStatus = hWnd ;
messageType = MB_ICONSTOP ;
#endif
#ifndef S4DLL_BUILD
#ifdef _WINDOWS
_wabout("LOG4BACK.EXE\r\n(c)Copyright Sequiter Software Inc., 1988-1996");
#endif
#endif
#ifdef S4UNIX
strcpy(statusStringSpace, "100.00 ");
#endif
code4init(&c4);
c4.lockAttempts = WAIT4EVER;
c4.autoOpen = 0;
#ifndef S4WINDOWS
outMess[0] = "\r\n";
util4out(&c4, stderr, outMess, 1);
#endif
if (argc < 2)
rc = -1;
if (rc == 0)
rc = util4parseCommandLine(&c4, u4flags, u4flagsNum, argv, argc);
if (rc == 0 && u4flags[UTIL4BACKLOG].found == 0)
{
outMess[0] = "Command line error! Must specify -backlog switch.\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
rc = -1;
}
#ifndef S4UTIL_CONCURRENCY
if (rc == 0 && u4flags[UTIL4LOG].found == 0)
{
outMess[0] = "Command line error! Must specify -log switch.\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
rc = -1;
}
#endif
compress = util4checkOnOffCommandLine(&c4, u4flags, UTIL4COMPRESS, 0);
if (compress == -1)
rc = -1;
overwrite = util4checkOnOffCommandLine(&c4, u4flags, UTIL4OVERWRITE, 0);
if (overwrite == -1)
rc = -1;
if (rc != 0)
{
util4printCommandLine(&c4, u4flags, u4flagsNum, argv[0]);
util4flagsFree(u4flags, u4flagsNum);
code4initUndo(&c4);
#ifdef S4WINDOWS
sendCloseMessage( hWndStatus ) ;
#endif
return(rc);
}
outFileName = (char *)u4allocFree(&c4, strlen(u4flags[UTIL4BACKLOG].ptr[0])+5);
if (outFileName == 0)
rc = -1;
else
{
strcpy(outFileName, u4flags[UTIL4BACKLOG].ptr[0]);
#ifdef S4UNIX
u4nameExt(outFileName, strlen(u4flags[UTIL4BACKLOG].ptr[0])+5, "log", 0);
#else
u4nameExt(outFileName, strlen(u4flags[UTIL4BACKLOG].ptr[0])+5, "LOG", 0);
#endif
}
if (rc == 0)
{
rc = access(outFileName, 0);
if (rc == 0)
if (overwrite)
{
rc = remove(outFileName);
if (rc != 0)
{
outMess[0] = "Access error! Can not overwrite -backlog file ";
outMess[1] = outFileName;
outMess[2] = "\r\n\r\n";
util4out(&c4, stdout, outMess, 3);
}
}
else
{
#ifndef S4WINDOWS
outMess[0] = "Command line error! -backlog file ";
#else
outMess[0] = "Access error! Backup log file ";
#endif
outMess[1] = outFileName;
outMess[2] = " already exists.\r\n\r\n";
util4out(&c4, stdout, outMess, 3);
rc = -1;
}
else
rc = 0;
}
if (rc != 0)
{
outMess[0] = "Error! Utility did not successfully finish!\r\n";
util4out(&c4, stdout, outMess, 1);
if (outFileName)
u4free(outFileName);
util4flagsFree(u4flags, u4flagsNum);
code4initUndo(&c4);
#ifdef S4WINDOWS
sendCloseMessage( hWndStatus ) ;
#endif
return(rc);
}
#ifdef S4UTIL_CONCURRENCY
rc = getLogFileName(&c4, u4flags, &logFileName, &serverName, &protocol, &processId);
#else
logFileName = u4flags[UTIL4LOG].ptr[0] ;
#endif
if (rc == 0)
{
rc = code4logOpen( &c4, logFileName, "" ) ;
code4tranStatusSet(&c4, r4off);
}
if (rc == 0 && sizeof(LOG4HEADER)+sizeof(TRAN4ENTRY_LEN) > file4len(&c4.transFile.file))
{
rc = file4lenSet(&c4.transFile.file, 0L);
outMess[0] = "Log file error! Log file is empty.\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
rc = -1;
}
code4init(&outTrans);
outTrans.errOpen = 0;
outTrans.safety = 0;
if (rc == 0)
{
rc = code4logOpen( &outTrans, outFileName, "" ) ;
if( rc == r4no_open )
{
rc = code4logCreate( &outTrans, outFileName, "" ) ;
error4set( &outTrans, 0 ) ;
}
code4tranStatusSet(&outTrans, r4off);
}
if (rc == 0)
{
len = file4len(&outTrans.transFile.file);
if (len < 0)
rc = -1;
if (rc == 0)
rc = file4lenSet(&outTrans.transFile.file, 0L);
}
if (compress)
{
code4init(&tempTrans);
tempTrans.errOpen = 0;
tempTrans.safety = 0;
if (rc == 0)
{
i = strlen(logFileName);
while (--i>=0 && logFileName[i] != '.' && logFileName[i] != '\\');
if (i == -1 || logFileName[i] == '\\')
i = strlen(logFileName);
tempFileName = (char *)u4allocFree(&c4, i+5);
if (tempFileName != 0)
{
strcpy(tempFileName, logFileName);
do
u4nameExt(tempFileName, i+5, ltoa(j++, " ", 10), 1);
while (access(tempFileName, 0) == 0 && j < 1000);
if (j == 1000)
rc = -1;
if (rc == 0)
{
rc = code4logCreate( &tempTrans, tempFileName, "" ) ;
code4tranStatusSet(&tempTrans, r4off);
}
if (rc == 0)
rc = file4lenSet(&tempTrans.transFile.file, 0L);
}
}
}
c4.lockAttempts = 1;
if (rc == 0)
{
rc = code4tranLockTransactions(&c4.c4trans, TRAN4LOCK_FIX);
if (rc == r4locked)
{
outMess[0] = "Concurrency error! Fix utility is running!\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
}
}
if (rc == 0)
{
rc = code4tranLockTransactions(&c4.c4trans, TRAN4LOCK_BACKUP);
if (rc == r4locked)
{
outMess[0] = "Concurrency error! Another copy of this utility is running!\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
}
}
if (rc == 0)
{
rc = code4tranLockTransactions(&outTrans.c4trans, TRAN4LOCK_RESTORE);
if (rc == r4locked)
{
outMess[0] = "Concurrency error! Restore utility is using -backlog file ";
outMess[1] = outFileName;
outMess[2] = "!\r\n\r\n";
util4out(&c4, stdout, outMess, 3);
}
}
if (rc == 0)
{
rc = code4tranLockTransactions(&outTrans.c4trans, TRAN4LOCK_BACKUP);
if (rc == r4locked)
{
outMess[0] = "Concurrency error! Another copy of this utility is using -backlog file ";
outMess[1] = outFileName;
outMess[2] = "!\r\n\r\n";
util4out(&c4, stdout, outMess, 3);
}
}
if (rc == 0)
{
/* query server for eof */
rc = code4tranLockTransactions(&c4.c4trans, TRAN4LOCK_SERVER);
if (rc == r4locked)
{
#ifdef S4UTIL_CONCURRENCY
rc = code4connect(&c4, serverName, processId, 0, 0, protocol);
if (rc == 0)
rc = tran4serverEof(&c4.c4trans.trans, &logFileEof);
else
c4.errorCode = 0;
if (rc == r4noServer)
{
outMess[0] = "Concurrency error! Unknown application has locked the server on log file.\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
}
else
if (rc == 0)
serverUp = 1;
#else
outMess[0] = "Concurrency error! The server is running!\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
#endif
}
else
if (rc == 0)
logFileEof = file4len(&c4.transFile.file);
}
c4.lockAttempts = WAIT4EVER;
if (rc == 0)
{
rc = tran4top(&c4.c4trans.trans);
if (rc == 0 && (tran4type(&c4.c4trans.trans) != TRAN4SHUTDOWN || tran4serverDataId(&c4.c4trans.trans) > TRAN4VERSION_NUM))
{
outMess[0] = "Log file error! File is either a backup file or a newer version than this utility can handle!\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
rc = -1;
}
}
/* backup transaction file to eof */
if (rc == 0)
rc = backupLogFile(&c4, &outTrans, &tempTrans, logFileEof, compress);
/* query server for eof and halt server */
#ifdef S4UTIL_CONCURRENCY
if (rc == 0 && serverUp && compress)
{
rc = tran4serverEofHalt(&c4.c4trans.trans, &logFileEofFull);
if (rc == 0)
{
rc = code4tranLockTransactions(&c4.c4trans, TRAN4LOCK_SERVER);
if (rc == r4locked)
{
outMess[0] = "Concurrency error! Unknown application has locked the server on log file.\r\n\r\n";
util4out(&c4, stdout, outMess, 1);
}
}
}
else
#endif
logFileEofFull = logFileEof;
/* copy residual */
if (rc == 0 && compress)
rc = copyResidualLogFile(&c4, &tempTrans, logFileEof, logFileEofFull);
/* overwite old */
if (compress)
code4transInitUndo(&tempTrans.c4trans);
code4transInitUndo(&outTrans.c4trans);
code4transInitUndo(&c4.c4trans);
if (rc != 0)
{
remove(outFileName);
if (compress)
remove(tempFileName);
}
if (rc == 0 && compress)
{
rc = remove(logFileName);
if (rc != 0)
{
outMess[0] = "!!!ERROR!!! Original log file not removed! To complete backup rename:\r\n\r\n";
outMess[1] = tempFileName;
outMess[2] = "\r\nover top of:\r\n";
outMess[3] = logFileName;
outMess[4] = "\r\n\r\n";
util4out(&c4, stdout, outMess, 5);
}
else
{
rename(tempFileName, logFileName);
if (rc != 0)
{
outMess[0] = "!!!ERROR!!! New log file not renamed! To complete backup rename:\r\n";
outMess[1] = tempFileName;
outMess[2] = "\r\nto:\r\n";
outMess[3] = logFileName;
outMess[4] = "\r\n\r\n";
util4out(&c4, stdout, outMess, 5);
}
}
}
if (rc != 0)
{
outMess[0] = "Error! Utility did not successfully finish!\r\n";
util4out(&c4, stdout, outMess, 1);
}
else
{
#ifdef S4WINDOWS
messageType = MB_ICONEXCLAMATION ;
sendStatusMessage( hWndStatus, 100 ) ;
#endif
outMess[0] = "Utility successfully finished!\r\n";
util4out(&c4, stdout, outMess, 1);
}
if (compress)
{
if (tempFileName)
u4free(tempFileName);
code4initUndo(&tempTrans);
}
code4initUndo(&outTrans);
if (outFileName)
u4free(outFileName);
#ifdef S4UTIL_CONCURRENCY
if (processId)
u4free(processId);
if (protocol)
u4free(protocol);
if (serverName)
u4free(serverName);
if (logFileName)
u4free(logFileName);
#endif
util4flagsFree(u4flags, u4flagsNum);
code4initUndo(&c4);
#ifdef S4WINDOWS
sendCloseMessage( hWndStatus ) ;
#endif
return(rc);
}