bool SCI_Transporter::disconnectRemote() {
DBUG_ENTER("SCI_Transporter::disconnectRemote");
sci_error_t err;
for(Uint32 i=0; i<m_adapters; i++) {
/**
* Segment unmapped, disconnect from the remotely connected segment
*/
SCIUnmapSegment(m_TargetSegm[i].rhm[i].map,0,&err);
if(err!=SCI_ERR_OK) {
report_error(TE_SCI_UNABLE_TO_UNMAP_SEGMENT);
DBUG_PRINT("error", ("Unable to unmap segment"));
DBUG_RETURN(false);
}
SCIDisconnectSegment(m_TargetSegm[i].rhm[i].remoteHandle,
FLAGS,
&err);
if(err!=SCI_ERR_OK) {
report_error(TE_SCI_UNABLE_TO_DISCONNECT_SEGMENT);
DBUG_PRINT("error", ("Unable to disconnect segment"));
DBUG_RETURN(false);
}
DBUG_PRINT("info", ("Remote memory segment is unmapped and disconnected"));
}
DBUG_RETURN(true);
} // disconnectRemote()
bool SCI_Transporter::disconnectLocal()
{
DBUG_ENTER("SCI_Transporter::disconnectLocal");
sci_error_t err;
m_ActiveAdapterId=0;
/** Free resources used by a local segment
*/
SCIUnmapSegment(m_SourceSegm[0].lhm[0].map,0,&err);
if(err!=SCI_ERR_OK) {
report_error(TE_SCI_UNABLE_TO_UNMAP_SEGMENT);
DBUG_PRINT("error", ("Unable to unmap segment"));
DBUG_RETURN(false);
}
SCIRemoveSegment((m_SourceSegm[m_ActiveAdapterId].localHandle),
FLAGS,
&err);
if(err!=SCI_ERR_OK) {
report_error(TE_SCI_UNABLE_TO_REMOVE_SEGMENT);
DBUG_PRINT("error", ("Unable to remove segment"));
DBUG_RETURN(false);
}
DBUG_PRINT("info", ("Local memory segment is unmapped and removed"));
DBUG_RETURN(true);
} // disconnectLocal()
int deconnexion_sci_client(client_t *cl) {
int ret;
sci_error_t retval;
ret = SUCCESS;
log_message("begining\n");
if (cl->remote_fin_io_interrupt != NULL) {
SCIDisconnectInterrupt(cl->remote_fin_io_interrupt, NO_FLAGS, &retval);
if (retval != SCI_ERR_OK) ret = ERROR;
cl->remote_fin_io_interrupt = NULL;
}
log_message("SCIDisconnectInterrupt(cl->remote_fin_io_interrupt) done\n");
if (cl->remote_error_io_interrupt != NULL) {
SCIDisconnectInterrupt(cl->remote_error_io_interrupt, NO_FLAGS, &retval);
if (retval != SCI_ERR_OK) ret = ERROR;
cl->remote_error_io_interrupt = NULL;
}
log_message("SCIDisconnectInterrupt(cl->remote_error_io_interrupt) done\n");
if (cl->remote_ready_interrupt != NULL) {
SCIDisconnectInterrupt(cl->remote_ready_interrupt, NO_FLAGS, &retval);
if (retval != SCI_ERR_OK) ret = ERROR;
cl->remote_ready_interrupt = NULL;
}
log_message("SCIDisconnectInterrupt(cl->remote_ready_interrupt) done\n");
//SCIRemoveSequence(cl->seq_data_read_segment, NO_FLAGS, &retval);
//if (retval != SCI_ERR_OK) ret = ERROR;
if (cl->map_data_read_segment != NULL) {
SCIUnmapSegment(cl->map_data_read_segment, NO_FLAGS, &retval);
if (retval != SCI_ERR_OK) ret = ERROR;
cl->map_data_read_segment = NULL;
}
log_message("SCIUnmapSegment(cl->map_data_read_segment) done\n");
if (cl->rs_data_read_segment != NULL) {
SCIDisconnectSegment(cl->rs_data_read_segment, NO_FLAGS, &retval);
if (retval != SCI_ERR_OK) ret = ERROR;
cl->rs_data_read_segment = NULL;
}
log_message("CIDisconnectSegment(cl->rs_data_read_segment) done\n");
log_message("end: retval = %d",ret);
return ret;
}
unsigned int ShmemServerNode(void)
{
unsigned int *localMapAddr;
/* Create a segmentId */
localSegmentId =1;// (localNodeId1 << 16) | remoteNodeId1;
/* Create local segment */
SCICreateSegment(sdOne,&localSegmentOne,localSegmentId, segmentSize, NO_CALLBACK, NULL, NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("Local segment (id=%d, size=%d) is created. \n", localSegmentId, segmentSize);
} else {
fprintf(stderr,"SCICreateSegment failed - Error code 0x%x\n",error);
return 0;
}
//localSegmentId = (localNodeId2 << 16) | remoteNodeId2;
/*
SCICreateSegment(sdTwo,&localSegmentTwo,localSegmentId+1, segmentSize, NO_CALLBACK, NULL, NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("Local segment (id=%d, size=%d) is created (2). \n", localSegmentId, segmentSize);
} else {
fprintf(stderr,"SCICreateSegment failed - Error code 0x%x\n",error);
return 0;
}
printf("segment one %p segment 2 %p\n", localSegmentOne, localSegmentTwo);
*/
/* Prepare the segment */
SCIPrepareSegment(localSegmentOne,localAdapterNo,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("Local segment (id=%d, size=%d) is prepared. \n", localSegmentId, segmentSize);
} else {
fprintf(stderr,"SCIPrepareSegment failed - Error code 0x%x\n",error);
return 0;
}
/* Prepare the segment */
SCIPrepareSegment(localSegmentOne,standbyAdapterNo,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("Local segment (id=%d, size=%d) is created. \n", localSegmentId, segmentSize);
} else {
fprintf(stderr,"SCIPrepareSegment failed - Error code 0x%x\n",error);
return 0;
}
/* Map local segment to user space */
localMapAddr = (unsigned int *)SCIMapLocalSegment(localSegmentOne,&localMapOne, offset,segmentSize, NULL,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("Local segment (id=0x%x) is mapped to user space @ 0x%x.\n", localSegmentId, localMapAddr);
} else {
fprintf(stderr,"SCIMapLocalSegment failed - Error code 0x%x\n",error);
return 0;
}
/* Map local segment to user space */
/*
localMapAddr = (unsigned int *)SCIMapLocalSegment(localSegmentTwo,&localMapTwo, offset,segmentSize, NULL,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("Local segment (id=0x%x) is mapped to user space @ 0x%x.\n", localSegmentId, localMapAddr);
printf("Local segment (id=%d) is mapped to user space.\n", localSegmentId);
} else {
fprintf(stderr,"SCIMapLocalSegment failed - Error code 0x%x\n",error);
return 0;
}
*/
/* Set the segment available */
SCISetSegmentAvailable(localSegmentOne, localAdapterNo, NO_FLAGS, &error);
if (error == SCI_ERR_OK) {
printf("Local segment (id=0x%x) is available for remote connections. \n", localSegmentId);
} else {
fprintf(stderr,"SCISetSegmentAvailable failed - Error code 0x%x\n",error);
return 0;
}
SCISetSegmentAvailable(localSegmentOne, standbyAdapterNo, NO_FLAGS, &error);
if (error == SCI_ERR_OK) {
printf("Local segment (id=0x%x) is available for remote connections. \n", localSegmentId);
} else {
fprintf(stderr,"SCISetSegmentAvailable failed - Error code 0x%x\n",error);
return 0;
}
int timeout=0;
error = ReceiveInterrupt(sdOne,localAdapterNo,localNodeId1,DATA_TRANSFER_READY, timeout);
if (error == SCI_ERR_OK) {
printf("\nThe data transfer is ready\n");
} else {
printf("\nInterrupt synchronization failed\n");
return 0;
}
again:
// printf("Wait for the shared memory data transfer .....");
/* Wait for interrupt signal telling that block transfer is ready */
//printf("\nData transfer done!\n");
//PrintClientData()
PrintServerData(localMapAddr);
/*Uint32 micros;
Uint32 micros2;
NDB_TICKS secs;
NdbTick_CurrentMicrosecond(&secs, µs);
error = SendInterrupt(sdOne,localAdapterNo,localNodeId1,remoteNodeId1, DATA_TRANSFER_READY);
NdbTick_CurrentMicrosecond(&secs, µs2);
printf("TIME ELAPSED %d \n", micros2-micros);
// NdbSleep_MilliSleep(100);
*/
goto again;
/* Unmap local segment */
SCIUnmapSegment(localMapTwo,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("The local segment is unmapped\n");
} else {
fprintf(stderr,"SCIUnmapSegment failed - Error code 0x%x\n",error);
return 0;
}
/* Unmap local segment */
SCIUnmapSegment(localMapOne,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("The local segment is unmapped\n");
} else {
fprintf(stderr,"SCIUnmapSegment failed - Error code 0x%x\n",error);
return 0;
}
/* Remove local segment */
SCIRemoveSegment(localSegmentOne,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("The local segment is removed\n");
} else {
fprintf(stderr,"SCIRemoveSegment failed - Error code 0x%x\n",error);
return 0;
}
/* Remove local segment */
SCIRemoveSegment(localSegmentTwo,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("The local segment is removed\n");
} else {
fprintf(stderr,"SCIRemoveSegment failed - Error code 0x%x\n",error);
return 0;
}
return 1;
}
unsigned int ShmemClientNode(void)
{
volatile unsigned int *remoteMapAddr1;
volatile unsigned int *remoteMapAddr2;
printf("here?\n");
/* Create a segmentId */
remoteSegmentId1 = 1;//(remoteNodeId1 << 16) | localNodeId1;
/* Connect to remote segment */
printf("Connect to remote segment .... \n");
printf("segid = %d node %d \n",remoteSegmentId1, remoteNodeId1 );
do {
SCIConnectSegment(sdOne,
&remoteSegmentOne,
remoteNodeId1,
remoteSegmentId1,
localAdapterNo,
NO_CALLBACK,
NULL,
SCI_INFINITE_TIMEOUT,
NO_FLAGS,
&error);
} while (error != SCI_ERR_OK);
printf("connected\n");
// remoteSegmentId2 = (remoteNodeId2 << 16) | localNodeId2;
// printf("segid = %d\n",remoteSegmentId2 );
printf("segid = %d node %d \n",remoteSegmentId1, remoteNodeId1 );
do {
SCIConnectSegment(sdTwo,
&remoteSegmentTwo,
remoteNodeId2,
remoteSegmentId1,
standbyAdapterNo,
NO_CALLBACK,
NULL,
SCI_INFINITE_TIMEOUT,
NO_FLAGS,
&error);
} while (error != SCI_ERR_OK);
printf("connected 3\n");
printf("Remote segment (id=0x%x) is connected.\n", remoteSegmentId2);
/* Map remote segment to user space */
remoteMapAddr1 = (unsigned int*)SCIMapRemoteSegment(remoteSegmentOne,&remoteMapOne,offset,segmentSize,NULL,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("Remote segment (id=0x%x) is mapped to user space @ 0x%x. \n", remoteSegmentId1, remoteMapAddr1);
} else {
fprintf(stderr,"SCIMapRemoteSegment failed - Error code 0x%x\n",error);
return 0;
}
remoteMapAddr2 = (unsigned int *)SCIMapRemoteSegment(remoteSegmentTwo,&remoteMapTwo,offset,segmentSize,NULL,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("Remote segment (id=0x%x) is mapped to user space @ 0x%x. \n", remoteSegmentId2, remoteMapAddr2);
} else {
fprintf(stderr,"SCIMapRemoteSegment failed - Error code 0x%x\n",error);
return 0;
}
/* Start data transfer and error checking */
error = (sci_error_t)TransferData(remoteMapOne,remoteMapAddr1, remoteMapAddr2,segmentSize);
if (error == SCI_ERR_OK) {
printf("Data transfer done!\n\n");
} else {
fprintf(stderr,"Data transfer failed - Error code 0x%x\n\n",error);
return 0;
}
/* Send an interrupt to remote node telling that the data transfer is ready */
error = SendInterrupt(sdOne,localAdapterNo,localNodeId1,remoteNodeId1, DATA_TRANSFER_READY);
if (error == SCI_ERR_OK) {
printf("\nInterrupt message sent to remote node\n");
} else {
printf("\nInterrupt synchronization failed\n");
return 0;
}
PrintClientData();
/* Unmap remote segment */
SCIUnmapSegment(remoteMapOne,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("The remote segment is unmapped\n");
} else {
fprintf(stderr,"SCIUnmapSegment failed - Error code 0x%x\n",error);
return 0;
}
SCIUnmapSegment(remoteMapTwo,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("The remote segment is unmapped\n");
} else {
fprintf(stderr,"SCIUnmapSegment failed - Error code 0x%x\n",error);
return 0;
}
/* Disconnect segment */
SCIDisconnectSegment(remoteSegmentOne,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("The segment is disconnected\n");
} else {
fprintf(stderr,"SCIDisconnectSegment failed - Error code 0x%x\n",error);
return 0;
}
SCIDisconnectSegment(remoteSegmentTwo,NO_FLAGS,&error);
if (error == SCI_ERR_OK) {
printf("The segment is disconnected\n");
} else {
fprintf(stderr,"SCIDisconnectSegment failed - Error code 0x%x\n",error);
return 0;
}
return 1;
}
