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#include <curses.h>
#include <signal.h>
#include <errno.h>
#include "mon.h"
#define MON2SIM "/tmp/mon2sim"
#define SIM2MON "/tmp/sim2mon"
void usage(char* p) {
fprintf(stderr, "Usage:\n");
fprintf(stderr, " %s <simulator> [<simulator arguments>...]\n");
fprintf(stderr, "\n");
}
int main(int argc, char *argv[]) {
int err;
if (argc < 2) {
usage(argv[0]);
return 1;
}
// Launch simulator
mkfifo(MON2SIM, 0600);
mkfifo(SIM2MON, 0600);
int sim_pid = fork();
if (sim_pid == 0) {
// child : launch simulator
if (freopen(SIM2MON, "w", stdout) == NULL) {
fprintf(stderr, "(simulator) Could not open sim2mon for writing (%s).\n", strerror(errno));
return 1;
}
if (freopen(MON2SIM, "r", stdin) == NULL) {
fprintf(stderr, "(simulator) Could not open mon2sim for reading (%s).\n", strerror(errno));
return 1;
}
fprintf(stderr, "(simulator) Syncronization with monitor apparently OK.\n");
execv (argv[1], argv + 1);
}
t_mon mon;
mon.from_sim = fopen(SIM2MON, "r");
if (mon.from_sim == NULL) {
fprintf(stderr, "(monitor) Could not open sim2mon for reading (%s).\n", strerror(errno));
return 1;
}
mon.to_sim = fopen(MON2SIM, "w");
if (mon.to_sim == NULL) {
fprintf(stderr, "(monitor) Could not open mon2sim for reading (%s).\n", strerror(errno));
return 1;
}
if (err = mon_read_prologue(&mon)) {
fprintf(stderr, "\nError while launching simulator (%d).\n", err);
goto finish;
}
fprintf(stderr, "(monitor) Syncronization with simulator apparently OK.\n");
// Setup display
disp_init();
// RUN !!!
mon_loop(&mon);
// clean up
disp_finish();
if (mon.status == MS_PERROR) {
fprintf(stderr, "(monitor) Exiting due to protocol error.\n");
}
finish:
kill(sim_pid, SIGTERM);
waitpid(sim_pid);
fclose(mon.to_sim);
fclose(mon.from_sim);
unlink(MON2SIM);
unlink(SIM2MON);
return 0;
}
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