mirror of
https://github.com/nasa/trick.git
synced 2024-12-30 09:58:53 +00:00
71 lines
3.0 KiB
C++
71 lines
3.0 KiB
C++
|
|
#include "trick/MonteCarlo.hh"
|
|
#include "trick/message_proto.h"
|
|
#include "trick/message_type.h"
|
|
#include "trick/tc_proto.h"
|
|
|
|
/** @par Detailed Design: */
|
|
int Trick::MonteCarlo::execute_as_slave() {
|
|
|
|
/** <li> Forever: */
|
|
while (true) {
|
|
if (verbosity >= MC_ALL) {
|
|
message_publish(MSG_INFO, "Monte [%s:%d] Waiting for new run.\n",
|
|
machine_name.c_str(), slave_id) ;
|
|
}
|
|
/** <ul><li> On a blocking read, wait for a MonteSlave::Command from the master. */
|
|
if (tc_accept(&listen_device, &connection_device) != TC_SUCCESS) {
|
|
if (verbosity >= MC_ERROR) {
|
|
message_publish(MSG_ERROR, "Monte [%s:%d] Lost connection to Master. Shutting down.\n",
|
|
machine_name.c_str(), slave_id) ;
|
|
}
|
|
slave_shutdown();
|
|
}
|
|
int command;
|
|
if (tc_read(&connection_device, (char *)&command, (int)sizeof(command)) != (int)sizeof(command)) {
|
|
if (verbosity >= MC_ERROR) {
|
|
message_publish(MSG_ERROR, "Monte [%s:%d] Lost connection to Master while receiving instructions. Shutting down.\n",
|
|
machine_name.c_str(), slave_id) ;
|
|
}
|
|
slave_shutdown();
|
|
}
|
|
switch (command = ntohl(command)) {
|
|
int return_value;
|
|
case MonteSlave::MC_PROCESS_RUN:
|
|
/**
|
|
* <ul><li> MonteSlave::MC_PROCESS_RUN: Call #slave_process_run. This will return a non-zero value when run in a
|
|
* child process to indicate that this function should return so that the sim can complete.
|
|
*/
|
|
return_value = slave_process_run();
|
|
if (return_value != 0) {
|
|
return return_value;
|
|
}
|
|
break;
|
|
case MonteSlave::MC_SHUTDOWN:
|
|
/** <li> MonteSlave::MC_SHUTDOWN: Call #slave_shutdown. */
|
|
if (verbosity >= MC_INFORMATIONAL) {
|
|
message_publish(MSG_INFO, "Monte [%s:%d] Shutdown command received from Master. Shutting down.\n",
|
|
machine_name.c_str(), slave_id) ;
|
|
}
|
|
slave_shutdown();
|
|
break;
|
|
case MonteSlave::MC_DIE:
|
|
/** <li> MonteSlave::DIE: Call #slave_die. */
|
|
if (verbosity >= MC_INFORMATIONAL) {
|
|
message_publish(MSG_INFO, "Monte [%s:%d] Killed by Master.\n",
|
|
machine_name.c_str(), slave_id) ;
|
|
}
|
|
slave_die();
|
|
break;
|
|
default:
|
|
/** <li> default: Call #slave_shutdown. */
|
|
if (verbosity >= MC_ERROR) {
|
|
message_publish(MSG_ERROR, "Monte [%s:%d] Unrecognized command %d received from Master. Shutting down.\n",
|
|
machine_name.c_str(), slave_id, command) ;
|
|
}
|
|
slave_shutdown();
|
|
break;
|
|
}
|
|
}
|
|
}
|