/*******************************************************************************
*
* Name: GetConnectionParameters
*
* Purpose: Receive the command line to be used to initialize the VisIt engine.
*
* Author: Jeremy Meredith, B Division, Lawrence Livermore National Laboratory
*
* Modifications:
*
*******************************************************************************/
static int GetConnectionParameters(int desc)
{
char buf[2000] = "";
char *tmpbuf;
char *nxtbuf;
int i;
engine_argv = (char**)malloc(sizeof(char*) * 100);
if (parallelRank == 0)
{
/* Receive the ARGV over the socket */
engine_argc = 0;
tmpbuf = buf;
while (1)
{
nxtbuf = ReceiveContinuousLineFromSocket(tmpbuf, 2000, desc);
if (strlen(tmpbuf) == 0)
break;
engine_argv[engine_argc] = strdup(tmpbuf);
engine_argc++;
tmpbuf = nxtbuf;
}
/* Broadcast them to the other processors if needed */
if (isParallel)
{
BroadcastInt(&engine_argc, 0);
for (i = 0 ; i < engine_argc; i++)
{
int len = strlen(engine_argv[i]);
BroadcastInt(&len, 0);
BroadcastString(engine_argv[i], len+1, 0);
}
}
}
else
{
/* Receive the ARGV */
BroadcastInt(&engine_argc, 0);
for (i = 0 ; i < engine_argc; i++)
{
int len;
BroadcastInt(&len, 0);
BroadcastString(buf, len+1, 0);
engine_argv[i] = strdup(buf);
}
}
return TRUE;
}
/*******************************************************************************
*
* Name: VerifySecurityKeys
*
* Purpose: Receive a security key over the socket and compare it to ours,
* sending the result of the comparison back to the client.
*
* Author: Jeremy Meredith, B Division, Lawrence Livermore National Laboratory
*
* Modifications:
*
*******************************************************************************/
static int VerifySecurityKeys(int desc)
{
int securityKeyLen;
int offeredKeyLen;
char offeredKey[2000] = "";
if (parallelRank == 0)
{
/* The first thing the VCL sends is the key */
ReceiveSingleLineFromSocket(offeredKey, 2000, desc);
if (isParallel)
{
/* Broadcast the known key */
securityKeyLen = strlen(securityKey);
BroadcastInt(&securityKeyLen, 0);
BroadcastString(securityKey, securityKeyLen+1, 0);
/* Broadcast the received key */
offeredKeyLen = strlen(offeredKey);
BroadcastInt(&offeredKeyLen, 0);
BroadcastString(offeredKey, offeredKeyLen+1, 0);
}
/* Make sure the keys match, and send a response */
if (strcmp(securityKey, offeredKey) != 0)
{
SendStringOverSocket("failure\n", desc);
return FALSE;
}
else
{
SendStringOverSocket("success\n", desc);
}
}
else
{
/* Receive the security keys and make sure they match */
BroadcastInt(&securityKeyLen, 0);
BroadcastString(securityKey, securityKeyLen+1, 0);
BroadcastInt(&offeredKeyLen, 0);
BroadcastString(offeredKey, offeredKeyLen+1, 0);
if (strcmp(securityKey, offeredKey) != 0)
{
/* Error: keys didn't match */
return FALSE;
}
}
return TRUE;
}
void
SimEngineManager::ReadDataObjectString(avtDataObjectReader_p rdr,
SimEngineManager::DOString &dos)
{
#if defined(PARALLEL) && defined(TEMPORARILY_FORCE_SAME_DATA_IN_VIEWER)
BroadcastInt(dos.size);
if(!PAR_UIProcess())
dos.buffer = new char[dos.size];
MPI_Bcast(dos.buffer, dos.size, MPI_CHAR, 0, VISIT_MPI_COMM);
#endif
rdr->Read(dos.size, dos.buffer);
}
