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