trick/trick_source/sim_services/MonteCarlo/MonteCarlo_slave_init.cpp

66 lines
2.3 KiB
C++
Raw Normal View History

2015-02-26 15:02:31 +00:00
#include <sys/stat.h>
#include <libgen.h>
#include "trick/MonteCarlo.hh"
#include "trick/command_line_protos.h"
#include "trick/message_proto.h"
#include "trick/message_type.h"
#include "trick/tc_proto.h"
2015-02-26 15:02:31 +00:00
/** @par Detailed Design: */
int Trick::MonteCarlo::slave_init() {
/** <ul><li> Construct the run directory. */
run_directory = std::string(command_line_args_get_output_dir());
if (access(run_directory.c_str(), F_OK) != 0) {
if (mkdir(run_directory.c_str(), 0775) == -1) {
if (verbosity >= ERROR) {
message_publish(MSG_ERROR, "Monte [%s:%d] : Unable to create directory %s.\nTerminating.\n",
run_directory.c_str(), machine_name.c_str(), slave_id) ;
}
exit(-1);
}
}
/** <li> Run the slave initialization jobs. */
run_queue(&slave_init_queue, "in slave_init queue") ;
/** <li> Initialize the sockets. */
tc_error(&listen_device, 0);
tc_error(&connection_device, 0);
tc_error(&data_listen_device, 0);
tc_error(&data_connection_device, 0);
socket_init(&listen_device);
listen_device.disable_handshaking = TC_COMM_TRUE;
/** <li> Connect to the master and write the port over which we are listening for new runs. */
if (tc_connect(&connection_device) != TC_SUCCESS) {
if (verbosity >= ERROR) {
message_publish(MSG_ERROR, "Monte [%s:%d] : Failed to initialize communication sockets.\nTerminating.\n",
machine_name.c_str(), slave_id) ;
}
exit(-1);
}
if (verbosity >= ALL) {
message_publish(MSG_INFO, "Monte [%s:%d] : Making initial connection with Master.\n",
machine_name.c_str(), slave_id) ;
}
int id = htonl(slave_id);
tc_write(&connection_device, (char *)&id, (int)sizeof(id));
char hostname[_POSIX_HOST_NAME_MAX];
2015-02-26 15:02:31 +00:00
gethostname(hostname, sizeof(hostname)-1);
int num_bytes = htonl(strlen(hostname));
tc_write(&connection_device, (char *)&num_bytes, (int)sizeof(num_bytes));
tc_write(&connection_device, hostname, strlen(hostname));
int listen_port = htonl(listen_device.port);
tc_write(&connection_device, (char *)&listen_port, (int)sizeof(listen_port));
tc_disconnect(&connection_device);
return 0;
}