/******************************************************************************
* Purpose: Process commands from viewer on all processors.
*****************************************************************************/
int ProcessVisItCommand(simulation_data *sim)
{
int command;
if (sim->par_rank==0)
{
int success = VisItProcessEngineCommand();
if (success)
{
command = VISIT_COMMAND_SUCCESS;
BroadcastSlaveCommand(&command);
return 1;
}
else
{
command = VISIT_COMMAND_FAILURE;
BroadcastSlaveCommand(&command);
return 0;
}
}
else
{
/* Note: only through the SlaveProcessCallback callback
* above can the rank 0 process send a VISIT_COMMAND_PROCESS
* instruction to the non-rank 0 processes. */
while (1)
{
BroadcastSlaveCommand(&command);
switch (command)
{
case VISIT_COMMAND_PROCESS:
VisItProcessEngineCommand();
break;
case VISIT_COMMAND_SUCCESS:
return 1;
case VISIT_COMMAND_FAILURE:
return 0;
}
}
}
return 1;
}
//! Process visualisation command from ViSIt viewer on all processes
int
DDTSim::processVisItCommand()
{
int command;
if (visitSim.rank() == 0)
{
int success = libsim.ProcessEngineCommand();
if (success)
{
command = VISIT_COMMAND_SUCCESS;
BroadcastSlaveCommand(&command);
return 1;
}
else
{
command = VISIT_COMMAND_FAILURE;
BroadcastSlaveCommand(&command);
return 0;
}
}
else
{
/* Note: only through the SlaveProcessCallback callback above can the
* rank 0 process send a VISIT_COMMAND_PROCESS instruction to the
* non-rank-0 processes */
while(1)
{
BroadcastSlaveCommand(&command);
switch(command)
{
case VISIT_COMMAND_PROCESS:
libsim.ProcessEngineCommand();
break;
case VISIT_COMMAND_SUCCESS:
return 1;
case VISIT_COMMAND_FAILURE:
return 0;
}
}
}
return 1;
}
/* Callback involved in command communication. */
void SlaveProcessCallback(void *cbdata)
{
simulation_data *sim = (simulation_data *)cbdata;
int command = VISIT_COMMAND_PROCESS;
BroadcastSlaveCommand(&command, sim);
}
/* Callback involved in command communication. */
void SlaveProcessCallback()
{
int command = VISIT_COMMAND_PROCESS;
BroadcastSlaveCommand(&command);
}
