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ckpt-wr.c
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ckpt-wr.c

/*
* Copyright (c) 2002-2005 MontaVista Software, Inc.
*
* All rights reserved.
*
* Author: Steven Dake (sdake@mvista.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the MontaVista Software, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <sys/un.h>
#include <time.h>
#include "saAis.h"
#include "saCkpt.h"
#include "sa_error.h"
#define SECONDS_TO_EXPIRE 500
int ckptinv;
void printSaNameT (SaNameT *name)
{
int i;
for (i = 0; i < name->length; i++) {
printf ("%c", name->value[i]);
}
}
SaVersionT version = { 'B', 1, 1 };
SaNameT checkpointName = { 16, "checkpoint-sync\0" };
SaCkptCheckpointCreationAttributesT checkpointCreationAttributes = {
.creationFlags = SA_CKPT_WR_ALL_REPLICAS,
.checkpointSize = 250000,
.retentionDuration = SA_TIME_ONE_SECOND * 60,
.maxSections = 5,
.maxSectionSize = 250000,
.maxSectionIdSize = 10
};
char readBuffer1[1025];
SaCkptIOVectorElementT ReadVectorElements[] = {
{
SA_CKPT_DEFAULT_SECTION_ID,
readBuffer1,
sizeof (readBuffer1),
0,
0
}
};
#define DATASIZE 127000
char data[DATASIZE];
SaCkptIOVectorElementT WriteVectorElements[] = {
{
SA_CKPT_DEFAULT_SECTION_ID,
data, /*"written data #1, this should extend past end of old section data", */
DATASIZE, /*sizeof ("data #1, this should extend past end of old section data") + 1, */
0, //5,
0
}
};
SaCkptCallbacksT callbacks = {
0,
0
};
#define MAX_DATA_SIZE 100
int main (void) {
SaCkptHandleT ckptHandle;
SaCkptCheckpointHandleT checkpointHandle;
SaAisErrorT error;
char data[MAX_DATA_SIZE];
struct timespec delay;
struct timespec delay2;
SaCkptIOVectorElementT writeElement;
long count = 0;
SaUint32T erroroneousVectorIndex = 0;
delay.tv_sec = 1;
delay.tv_nsec = 0;
error = saCkptInitialize (&ckptHandle, &callbacks, &version);
error = saCkptCheckpointOpen (ckptHandle,
&checkpointName,
&checkpointCreationAttributes,
SA_CKPT_CHECKPOINT_CREATE|SA_CKPT_CHECKPOINT_READ|SA_CKPT_CHECKPOINT_WRITE,
0,
&checkpointHandle);
printf ("%s: initial open of checkpoint\n",
get_test_output (error, SA_AIS_OK));
do{
error = saCkptCheckpointRead (checkpointHandle,
ReadVectorElements,
1,
&erroroneousVectorIndex);
if (error != SA_AIS_OK) {
if (error == SA_AIS_ERR_TRY_AGAIN) {
continue;
}
printf ("error is %d\n", error);
return (0);
}
if (ReadVectorElements->dataBuffer == 0) {
printf ("Default Checkpoint has no data\n");
} else {
count = atol((char *)ReadVectorElements->dataBuffer);
}
count++;
sprintf((char*)&data, "%d",(int)count);
writeElement.sectionId = (SaCkptSectionIdT)SA_CKPT_DEFAULT_SECTION_ID;
writeElement.dataBuffer = data;
writeElement.dataSize = strlen (data) + 1;
writeElement.dataOffset = 0;
writeElement.readSize = 0;
do {
error = saCkptCheckpointWrite (checkpointHandle,
&writeElement,
1,
&erroroneousVectorIndex);
printf ("%s: checkpoint write with data %s\n",
get_test_output (error, SA_AIS_OK), (char*)data);
}while (error == SA_AIS_ERR_TRY_AGAIN);
nanosleep(&delay,&delay2);
}while (1);
return (0);
}

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