//! ouvre le virtual device passé en param. renvoie ERROR s'il n'y arrive pas et SUCCESS sinon
int open_vd(sci_desc_t *vd) {
sci_error_t retval;
SCIOpen(vd, NO_FLAGS, &retval);
if (retval != SCI_ERR_OK)
return ERROR;
else return SUCCESS;
}
sci_error_t SCI_Transporter::initLocalSegment() {
DBUG_ENTER("SCI_Transporter::initLocalSegment");
Uint32 segmentSize = m_BufferSize;
Uint32 offset = 0;
sci_error_t err;
if(!m_sciinit) {
for(Uint32 i=0; i<m_adapters ; i++) {
SCIOpen(&(sciAdapters[i].scidesc), FLAGS, &err);
sciAdapters[i].localSciNodeId=getLocalNodeId(i);
DBUG_PRINT("info", ("SCInode iD %d adapter %d\n",
sciAdapters[i].localSciNodeId, i));
if(err != SCI_ERR_OK) {
DBUG_PRINT("error",
("Cannot open an SCI virtual device. Error code 0x%x",
err));
DBUG_RETURN(err);
}
}
}
m_sciinit=true;
SCICreateSegment(sciAdapters[0].scidesc,
&(m_SourceSegm[0].localHandle),
hostSegmentId(localNodeId, remoteNodeId),
segmentSize,
0,
0,
0,
&err);
if(err != SCI_ERR_OK) {
DBUG_PRINT("error", ("Error creating segment, err = 0x%x", err));
DBUG_RETURN(err);
} else {
DBUG_PRINT("info", ("created segment id : %d",
hostSegmentId(localNodeId, remoteNodeId)));
}
/** Prepare the segment*/
for(Uint32 i=0; i < m_adapters; i++) {
SCIPrepareSegment((m_SourceSegm[0].localHandle),
i,
FLAGS,
&err);
if(err != SCI_ERR_OK) {
DBUG_PRINT("error",
("Local Segment is not accessible by an SCI adapter. Error code 0x%x\n",
err));
DBUG_RETURN(err);
}
}
m_SourceSegm[0].mappedMemory =
SCIMapLocalSegment((m_SourceSegm[0].localHandle),
&(m_SourceSegm[0].lhm[0].map),
offset,
segmentSize,
NULL,
FLAGS,
&err);
if(err != SCI_ERR_OK) {
DBUG_PRINT("error", ("Cannot map area of size %d. Error code 0x%x",
segmentSize,err));
doDisconnect();
DBUG_RETURN(err);
}
/** Make the local segment available*/
for(Uint32 i=0; i < m_adapters; i++) {
SCISetSegmentAvailable((m_SourceSegm[0].localHandle),
i,
FLAGS,
&err);
if(err != SCI_ERR_OK) {
DBUG_PRINT("error",
("Local Segment is not available for remote connections. Error code 0x%x\n",
err));
DBUG_RETURN(err);
}
}
setupLocalSegment();
DBUG_RETURN(err);
} // initLocalSegment()
int main(int argc,char *argv[])
{
int counter;
printf("\n %s compiled %s : %s\n\n",argv[0],__DATE__,__TIME__);
if (argc<3) {
Usage();
exit(-1);
}
/* Get the parameters */
for (counter=1; counter<argc; counter++) {
if (!strcmp("-rn",argv[counter])) {
// remoteNodeId = strtol(argv[counter+1],(char **) NULL,10);
continue;
}
if (!strcmp("-size",argv[counter])) {
segmentSize = strtol(argv[counter+1],(char **) NULL,10);
continue;
}
if (!strcmp("-adapterno",argv[counter])) {
localAdapterNo = strtol(argv[counter+1],(char **) NULL,10);
continue;
}
if (!strcmp("-client",argv[counter])) {
client = 1;
continue;
}
if (!strcmp("-server",argv[counter])) {
server = 1;
continue;
}
if (!strcmp("-help",argv[counter])) {
Usage();
exit(0);
}
}
// if (remoteNodeId == 0) {
// fprintf(stderr,"Remote node-id is not specified. Use -rn <remote node-id>\n");
// exit(-1);
//}
if (server == 0 && client == 0) {
fprintf(stderr,"You must specify a client node or a server node\n");
exit(-1);
}
if (server == 1 && client == 1) {
fprintf(stderr,"Both server node and client node is selected.\n");
fprintf(stderr,"You must specify either a client or a server node\n");
exit(-1);
}
/* Initialize the SISCI library */
SCIInitialize(NO_FLAGS, &error);
if (error != SCI_ERR_OK) {
fprintf(stderr,"SCIInitialize failed - Error code: 0x%x\n",error);
exit(error);
}
/* Open a file descriptor */
SCIOpen(&sdOne,NO_FLAGS,&error);
if (error != SCI_ERR_OK) {
if (error == SCI_ERR_INCONSISTENT_VERSIONS) {
fprintf(stderr,"Version mismatch between SISCI user library and SISCI driver\n");
}
fprintf(stderr,"SCIOpen failed - Error code 0x%x\n",error);
exit(error);
}
/* Open a file descriptor */
SCIOpen(&sdTwo,NO_FLAGS,&error);
if (error != SCI_ERR_OK) {
if (error == SCI_ERR_INCONSISTENT_VERSIONS) {
fprintf(stderr,"Version mismatch between SISCI user library and SISCI driver\n");
}
fprintf(stderr,"SCIOpen failed - Error code 0x%x\n",error);
exit(error);
}
/* Get local node-id */
error = GetLocalNodeId(localAdapterNo, &localNodeId1);
error = GetLocalNodeId(standbyAdapterNo, &localNodeId2);
if (error != SCI_ERR_OK) {
fprintf(stderr,"Could not find the local adapter %d\n", localAdapterNo);
SCIClose(sdOne,NO_FLAGS,&error);
SCIClose(sdTwo,NO_FLAGS,&error);
exit(-1);
}
/* Print parameters */
PrintParameters();
if (client) {
remoteNodeId1=324;
remoteNodeId2=328;
ShmemClientNode();
} else {
remoteNodeId1=452;
remoteNodeId2=456;
ShmemServerNode();
}
/* Close the file descriptor */
SCIClose(sdOne,NO_FLAGS,&error);
SCIClose(sdTwo,NO_FLAGS,&error);
if (error != SCI_ERR_OK) {
fprintf(stderr,"SCIClose failed - Error code: 0x%x\n",error);
}
/* Free allocated resources */
SCITerminate();
return SCI_ERR_OK;
}