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test_backup.c
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157 lines (137 loc) · 4 KB
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/*
** 2009 January 28
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains test logic for the sqlite3_backup() interface.
**
*/
#if defined(INCLUDE_SQLITE_TCL_H)
# include "sqlite_tcl.h"
#else
# include "tcl.h"
# ifndef SQLITE_TCLAPI
# define SQLITE_TCLAPI
# endif
#endif
#include "sqlite3.h"
#include <assert.h>
/* These functions are implemented in main.c. */
extern const char *sqlite3ErrName(int);
/* These functions are implemented in test1.c. */
extern int getDbPointer(Tcl_Interp *, const char *, sqlite3 **);
static int SQLITE_TCLAPI backupTestCmd(
ClientData clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *const*objv
){
enum BackupSubCommandEnum {
BACKUP_STEP, BACKUP_FINISH, BACKUP_REMAINING, BACKUP_PAGECOUNT
};
struct BackupSubCommand {
const char *zCmd;
enum BackupSubCommandEnum eCmd;
int nArg;
const char *zArg;
} aSub[] = {
{"step", BACKUP_STEP , 1, "npage" },
{"finish", BACKUP_FINISH , 0, "" },
{"remaining", BACKUP_REMAINING , 0, "" },
{"pagecount", BACKUP_PAGECOUNT , 0, "" },
{0, 0, 0, 0}
};
sqlite3_backup *p = (sqlite3_backup *)clientData;
int iCmd;
int rc;
rc = Tcl_GetIndexFromObjStruct(
interp, objv[1], aSub, sizeof(aSub[0]), "option", 0, &iCmd
);
if( rc!=TCL_OK ){
return rc;
}
if( objc!=(2 + aSub[iCmd].nArg) ){
Tcl_WrongNumArgs(interp, 2, objv, aSub[iCmd].zArg);
return TCL_ERROR;
}
switch( aSub[iCmd].eCmd ){
case BACKUP_FINISH: {
const char *zCmdName;
Tcl_CmdInfo cmdInfo;
zCmdName = Tcl_GetString(objv[0]);
Tcl_GetCommandInfo(interp, zCmdName, &cmdInfo);
cmdInfo.deleteProc = 0;
Tcl_SetCommandInfo(interp, zCmdName, &cmdInfo);
Tcl_DeleteCommand(interp, zCmdName);
rc = sqlite3_backup_finish(p);
Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
break;
}
case BACKUP_STEP: {
int nPage;
if( TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &nPage) ){
return TCL_ERROR;
}
rc = sqlite3_backup_step(p, nPage);
Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
break;
}
case BACKUP_REMAINING:
Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_backup_remaining(p)));
break;
case BACKUP_PAGECOUNT:
Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_backup_pagecount(p)));
break;
}
return TCL_OK;
}
static void SQLITE_TCLAPI backupTestFinish(ClientData clientData){
sqlite3_backup *pBackup = (sqlite3_backup *)clientData;
sqlite3_backup_finish(pBackup);
}
/*
** sqlite3_backup CMDNAME DESTHANDLE DESTNAME SRCHANDLE SRCNAME
**
*/
static int SQLITE_TCLAPI backupTestInit(
ClientData clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *const*objv
){
sqlite3_backup *pBackup;
sqlite3 *pDestDb;
sqlite3 *pSrcDb;
const char *zDestName;
const char *zSrcName;
const char *zCmd;
if( objc!=6 ){
Tcl_WrongNumArgs(
interp, 1, objv, "CMDNAME DESTHANDLE DESTNAME SRCHANDLE SRCNAME"
);
return TCL_ERROR;
}
zCmd = Tcl_GetString(objv[1]);
getDbPointer(interp, Tcl_GetString(objv[2]), &pDestDb);
zDestName = Tcl_GetString(objv[3]);
getDbPointer(interp, Tcl_GetString(objv[4]), &pSrcDb);
zSrcName = Tcl_GetString(objv[5]);
pBackup = sqlite3_backup_init(pDestDb, zDestName, pSrcDb, zSrcName);
if( !pBackup ){
Tcl_AppendResult(interp, "sqlite3_backup_init() failed", 0);
return TCL_ERROR;
}
Tcl_CreateObjCommand(interp, zCmd, backupTestCmd, pBackup, backupTestFinish);
Tcl_SetObjResult(interp, objv[1]);
return TCL_OK;
}
int Sqlitetestbackup_Init(Tcl_Interp *interp){
Tcl_CreateObjCommand(interp, "sqlite3_backup", backupTestInit, 0, 0);
return TCL_OK;
}