void *th_dispatch (void *arg)
{
struct thread_data *td = (struct thread_data *)arg;
SaCkptHandleT ckptHandle;
SaCkptCheckpointHandleT handle;
SaAisErrorT error;
int i;
SaUint32T erroroneousVectorIndex = 0;
error = saCkptInitialize (&ckptHandle, &callbacks, &version);
error = saCkptCheckpointOpen (ckptHandle,
&checkpointName,
&checkpointCreationAttributes,
SA_CKPT_CHECKPOINT_READ|SA_CKPT_CHECKPOINT_WRITE,
0,
&handle);
for (i = 0; i < 1000; i++) {
error = saCkptCheckpointWrite (handle,
WriteVectorElements,
1,
&erroroneousVectorIndex);
printf ("Thread %d: Attempt %d: error %d\n",
td->thread_no, i, error);
if (error != SA_AIS_OK) {
printf ("Thread %d: Error from write.\n", td->thread_no);
}
}
error = saCkptFinalize (ckptHandle);
return (0);
}
void *benchmark_thread (void *arg)
{
SaCkptCheckpointHandleT checkpoint_handle;
SaCkptHandleT ckpt_handle;
int write_size;
SaAisErrorT error;
SaUint32T erroroneousVectorIndex = 0;
struct threaddata *td = (struct threaddata *)arg;
checkpoint_handle = td->checkpoint_handle;
ckpt_handle = td->ckpt_handle;
write_size = td->write_size;
WriteVectorElements[0].dataSize = write_size;
do {
/*
* Test checkpoint write
*/
do {
error = saCkptCheckpointWrite (checkpoint_handle,
WriteVectorElements,
1,
&erroroneousVectorIndex);
} while (error == SA_AIS_ERR_TRY_AGAIN);
fail_on_error(error, "saCkptCheckpointWrite");
td->written += 1;
} while (alarm_notice == 0);
pthread_exit (0);
}
/*******************************************************************************
Feature API: alarmClockCkptWrite
Description :
This API will not attempt to validate arguments, the thinking being that
this is a volitional act by the invoker of this API to ensure that invalid
parameters can be handled gracefully by the subsystem
Arguments In:
1. ClCkptHdlT : ckpt handle
2. section number
3. data to write
4. size of data to write
*******************************************************************************/
SaAisErrorT
alarmClockCkptWrite (
SaCkptCheckpointHandleT ckpt_hdl,
SaUint32T section_num,
void* data,
SaUint32T data_size )
{
SaAisErrorT ret_code = SA_AIS_OK;
SaCkptSectionIdT *section_id = NULL;
SaCkptSectionIdT *ctrl_section_id = NULL;
SaCkptIOVectorElementT *ioVecIter = ioVecs;
ClUint32T errVecIndex = 0;
if(section_num > NUM_SECTION_ID_MAPS ||
(data_size != sizeof(acClockT)))
return SA_AIS_ERR_INVALID_PARAM;
data_size = sizeof(SessionT);
section_id = §ionIdMap[section_num-1].sectionId;
ctrl_section_id = §ionIdMap[section_num-1].ctrlSectionId;
memset(ioVecs, 0, sizeof(*ioVecs) * MAX_NUM_IOVECS);
SessionCtrlT *sessionCtrl = sessionAddCkpt((acClockT*)data, &ioVecIter, ctrl_section_id);
CL_ASSERT(sessionCtrl != NULL);
memcpy(&ioVecIter->sectionId, section_id, sizeof(ioVecIter->sectionId));
ioVecIter->dataOffset = sessionCtrl->offset * data_size;
ioVecIter->dataBuffer = &sessionCtrl->session;
ioVecIter->readSize = ioVecIter->dataSize = sizeof(sessionCtrl->session);
++ioVecIter;
ret_code = saCkptCheckpointWrite(ckpt_hdl, ioVecs, (ClUint32T)(ioVecIter - ioVecs),
&errVecIndex);
if (ret_code != SA_AIS_OK)
{
alarmClockLogWrite(CL_LOG_SEV_ERROR, "alarmClockCkptWrite(hdl=%llx): Failed to write: 0x%x "
"for session [%d] at offset [%d]. Error iovec index [%d]\n",
ckpt_hdl, ret_code, sessionCtrl->session.id,
sessionCtrl->offset, errVecIndex);
}
else
{
alarmClockLogWrite(CL_LOG_SEV_DEBUG, "alarmClockCkptWrite: wrote %d bytes to section: %.*s, "
"iovecs [%d] for session [%d] at offset [%d]",
data_size, section_id->idLen, (char*)section_id->id,
(ClUint32T)(ioVecIter - ioVecs),
sessionCtrl->session.id, sessionCtrl->offset);
}
return ret_code;
}
SaAisErrorT alarmClockCkptSessionDelete(SaCkptCheckpointHandleT ckpt_hdl,
ClUint32T section_num,
ClUint32T id)
{
SaCkptIOVectorElementT *ioVecIter = ioVecs;
SessionCtrlT ctrl;
SaCkptSectionIdT *ctrl_section_id;
SaCkptSectionIdT *section_id;
SaUint32T errVecIndex = 0;
SaAisErrorT rc = SA_AIS_OK;
if(section_num > NUM_SECTION_ID_MAPS)
return SA_AIS_ERR_INVALID_PARAM;
ctrl_section_id = §ionIdMap[section_num-1].ctrlSectionId;
section_id = §ionIdMap[section_num-1].sectionId;
memset(ioVecs, 0, sizeof(*ioVecs) * MAX_NUM_IOVECS);
rc = sessionDelCkpt(id, &ctrl, &ioVecIter, ctrl_section_id);
if(rc != CL_OK)
{
alarmClockLogWrite(CL_LOG_SEV_ERROR, "alarmClockCkptSessionDelete: "
"Session id [%d] delete failed with [%#x]",
id, rc);
rc = SA_AIS_ERR_NOT_EXIST;
goto out;
}
/*
* Write a delete entry by marking the session as deleted
*/
memcpy(&ioVecIter->sectionId, section_id, sizeof(ioVecIter->sectionId));
ioVecIter->dataOffset = ctrl.offset * sizeof(SessionT);
ioVecIter->dataBuffer = &ctrl.session;
ioVecIter->readSize = ioVecIter->dataSize = sizeof(ctrl.session);
++ioVecIter;
rc = saCkptCheckpointWrite(ckpt_hdl, ioVecs, (ClUint32T)(ioVecIter - ioVecs),
&errVecIndex);
if(rc != SA_AIS_OK)
{
alarmClockLogWrite(CL_LOG_SEV_ERROR, "alarmClockCkptSessionDelete: "
"Session delete for id [%d] at offset [%d] failed with ckpt error [%#x]",
id, ctrl.offset, rc);
goto out;
}
alarmClockLogWrite(CL_LOG_SEV_DEBUG, "alarmClockCkptSessionDelete: "
"Session delete success for id [%d] at offset [%d]",
id, ctrl.offset);
out:
return rc;
}
void ckpt_benchmark (SaCkptCheckpointHandleT checkpointHandle,
int write_size)
{
struct timeval tv1, tv2, tv_elapsed;
SaUint32T erroroneousVectorIndex = 0;
SaAisErrorT error;
int write_count = 0;
alarm_notice = 0;
alarm (10);
WriteVectorElements[0].dataSize = write_size;
gettimeofday (&tv1, NULL);
do {
/*
* Test checkpoint write
*/
retry:
error = saCkptCheckpointWrite (checkpointHandle,
WriteVectorElements,
1,
&erroroneousVectorIndex);
if (error == SA_AIS_ERR_TRY_AGAIN) {
goto retry;
}
fail_on_error(error, "saCkptCheckpointWrite");
write_count += 1;
} while (alarm_notice == 0);
gettimeofday (&tv2, NULL);
timersub (&tv2, &tv1, &tv_elapsed);
printf ("%5d Writes ", write_count);
printf ("%5d bytes per write ", write_size);
printf ("%7.3f Seconds runtime ",
(tv_elapsed.tv_sec + (tv_elapsed.tv_usec / 1000000.0)));
printf ("%9.3f TP/s ",
((float)write_count) / (tv_elapsed.tv_sec + (tv_elapsed.tv_usec / 1000000.0)));
printf ("%7.3f MB/s.\n",
((float)write_count) * ((float)write_size) / ((tv_elapsed.tv_sec + (tv_elapsed.tv_usec / 1000000.0)) * 1000000.0));
}
int
ckpt_write(void *hp, const char *secid, void *buf, size_t maxlen)
{
ckpt_handle *h = (ckpt_handle *)hp;
SaCkptIOVectorElementT iov = {SA_CKPT_DEFAULT_SECTION_ID,
NULL, 0, 0, 0};
SaAisErrorT err;
SaCkptSectionCreationAttributesT attrs;
VALIDATE(h);
/* Set section ID here */
iov.sectionId.id = (uint8_t *)secid;
iov.sectionId.idLen = strlen(secid);
iov.dataBuffer = buf;
iov.dataSize = (SaSizeT)maxlen;
iov.dataOffset = 0;
iov.readSize = 0;
err = saCkptCheckpointWrite(h->ck_checkpoint, &iov, 1, NULL);
if (err == SA_AIS_ERR_NOT_EXIST) {
attrs.sectionId = &iov.sectionId;
attrs.expirationTime = SA_TIME_END;
err = saCkptSectionCreate(h->ck_checkpoint, &attrs,
buf, maxlen);
}
if (err == SA_AIS_OK)
saCkptCheckpointSynchronize(h->ck_checkpoint,
h->ck_timeout);
errno = ais_to_posix(err);
if (errno)
return -1;
return maxlen; /* XXX */
}
void process_message()
{
struct timeval tv;
long t1;
long t2;
long told;
SaCkptIOVectorElementT writeElement; // KJS
SaUint32T erroroneousVectorIndex = 0;
SaAisErrorT error;
writeElement.sectionId = sectionId;
writeElement.dataBuffer = getPayload(200);
writeElement.dataSize = 200;
writeElement.dataOffset = 0;
writeElement.readSize = 0;
gettimeofday(&tv, NULL);
t1 = tv.tv_usec;
told = tv.tv_sec;
do {
error = saCkptCheckpointWrite (WriteCheckpointHandle,
&writeElement,
1,
&erroroneousVectorIndex);
if (error != SA_AIS_OK) {
fprintf(stderr,"saCkptCheckpointWrite result %d (should be 1)\n", error);
}
sendCount++;
fprintf(stderr,"sendCount = %d",(int)sendCount);
} while (error == SA_AIS_ERR_TRY_AGAIN);
gettimeofday(&tv, NULL);
t2 = tv.tv_usec;
fprintf(stderr," ,RTT::%d.%d\n",(long)tv.tv_sec - told, t2-t1);
}
/****************************************************************************
* Name : cpsv_test_sync_app_process
*
* Description : This is the function which is given as the input to the
* Application task.
*
* Arguments : info - This is the information which is passed during
* spawing Application task.
*
* Return Values : None.
*
* Notes : None.
*****************************************************************************/
void cpsv_test_sync_app_process(void *info)
{
SaCkptHandleT ckptHandle;
SaCkptCheckpointHandleT checkpointHandle;
SaCkptCallbacksT callbk;
SaVersionT version;
SaNameT ckptName;
SaAisErrorT rc;
SaCkptCheckpointCreationAttributesT ckptCreateAttr;
SaCkptCheckpointOpenFlagsT ckptOpenFlags;
SaCkptSectionCreationAttributesT sectionCreationAttributes;
SaCkptIOVectorElementT writeVector, readVector;
SaUint32T erroneousVectorIndex;
void *initialData = "Default data in the section";
unsigned char read_buff[100] = {0};
SaTimeT timeout = 1000000000;
unsigned int temp_var = (unsigned int)(long)info;
memset(&ckptName, 0, 255);
ckptName.length = strlen(DEMO_CKPT_NAME);
memcpy(ckptName.value,DEMO_CKPT_NAME,strlen(DEMO_CKPT_NAME));
callbk.saCkptCheckpointOpenCallback = AppCkptOpenCallback;
callbk.saCkptCheckpointSynchronizeCallback = AppCkptSyncCallback;
version.releaseCode= 'B';
version.majorVersion = 2;
version.minorVersion = 2;
printf("*******************************************************************\n");
printf("Demonstrating Checkpoint Service Usage with a collocated Checkpoint \n");
printf("*******************************************************************\n");
sleep(2);
printf("Initialising With Checkpoint Service....\n");
rc = saCkptInitialize(&ckptHandle,&callbk,&version);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
ckptCreateAttr.creationFlags = SA_CKPT_CHECKPOINT_COLLOCATED|SA_CKPT_WR_ACTIVE_REPLICA;
ckptCreateAttr.checkpointSize = 1024;
ckptCreateAttr.retentionDuration= 100000;
ckptCreateAttr.maxSections= 2;
ckptCreateAttr.maxSectionSize = 700;
ckptCreateAttr.maxSectionIdSize = 4;
ckptOpenFlags = SA_CKPT_CHECKPOINT_CREATE|SA_CKPT_CHECKPOINT_READ|SA_CKPT_CHECKPOINT_WRITE;
printf("Opening Collocated Checkpoint = %s with create flags....\n",ckptName.value);
rc = saCkptCheckpointOpen(ckptHandle,&ckptName,&ckptCreateAttr,ckptOpenFlags,timeout,&checkpointHandle);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
if(temp_var == 1)
{
printf("Setting the Active Replica for my checkpoint ....\t");
rc = saCkptActiveReplicaSet(checkpointHandle);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
sectionCreationAttributes.sectionId = (SaCkptSectionIdT*) malloc(sizeof \
(SaCkptSectionIdT));
sectionCreationAttributes.sectionId->id = (unsigned char *)"11";
sectionCreationAttributes.sectionId->idLen = 2;
sectionCreationAttributes.expirationTime = 3600000000000ll; /* One Hour */
printf("Created Section ....\t");
rc = saCkptSectionCreate(checkpointHandle,§ionCreationAttributes,initialData,28);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
writeVector.sectionId.id = (unsigned char *)"11";
writeVector.sectionId.idLen = 2;
writeVector.dataBuffer = "The Checkpoint Service provides a facility for processes to store checkpoint data";
writeVector.dataSize = strlen(writeVector.dataBuffer);
writeVector.dataOffset = 0;
writeVector.readSize = 0;
printf("Writing to Checkpoint %s ....\n",DEMO_CKPT_NAME);
printf("Section-Id = %s ....\n",writeVector.sectionId.id);
printf("CheckpointData being written = \"%s\"\n",(char *)writeVector.dataBuffer);
printf("DataOffset = %llu ....\n",writeVector.dataOffset);
rc = saCkptCheckpointWrite(checkpointHandle,&writeVector,1,&erroneousVectorIndex);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
sleep(1);
printf("Press <Enter> key to continue...\n");
getchar();
}
else
{
sleep(4);
readVector.sectionId.id = (unsigned char *)"11";
readVector.sectionId.idLen = 2;
readVector.dataBuffer = read_buff;
readVector.dataSize = 90;
readVector.dataOffset = 0;
printf("Waiting to Read from Checkpoint %s....\n",DEMO_CKPT_NAME);
printf("Press <Enter> key to continue...\n");
getchar();
rc = saCkptCheckpointRead(checkpointHandle,&readVector,1,&erroneousVectorIndex);
printf("Checkpoint Data Read = \"%s\"\n",(char *)readVector.dataBuffer);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
}
printf("Synchronizing My Checkpoint being called ....\n");
rc = saCkptCheckpointSynchronize(checkpointHandle,timeout);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
if(temp_var==1)
{
printf("Unlink My Checkpoint ....\t");
rc = saCkptCheckpointUnlink(ckptHandle,&ckptName);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
}
printf("Ckpt Closed ....\t");
rc = saCkptCheckpointClose(checkpointHandle);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
printf("Ckpt Finalize being called ....\t");
rc = saCkptFinalize(ckptHandle);
if(rc == SA_AIS_OK)
printf("PASSED \n");
else
printf("Failed \n");
sleep(2);
return;
}
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);
}
