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Usage information for the main client #38

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Usage information for the main client #38

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30 changes: 24 additions & 6 deletions main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -57,18 +57,36 @@ main_run_tests(int argc, char * const * argv)
return (0);
}

static void
usage(struct ocx *ocx, const char *pgm)
{
Put(ocx, OCX_DIAG,"Usage: %s [--help|--poll-server|--sim-client|--run-tests] ...\n", pgm);
Put(ocx, OCX_DIAG, "\t--help\t\tShow this help\n");
Put(ocx, OCX_DIAG, "\t--poll-server\tPoll servers and collect simulator input\n");
Put(ocx, OCX_DIAG, "\t--sim-client\tRun simulator\n");
Put(ocx, OCX_DIAG, "\t--run-tests\tRun testcases\n");
Put(ocx, OCX_DIAG, "\n");
Put(ocx, OCX_DIAG, "Without one of these options, the normal client is run.\n");
}

int
main(int argc, char * const *argv)
{
if (getpid() == 0)
dummy();

if (argc > 1 && !strcmp(argv[1], "--poll-server"))
return (main_poll_server(argc - 1, argv + 1));
if (argc > 1 && !strcmp(argv[1], "--sim-client"))
return (main_sim_client(argc - 1, argv + 1));
if (argc > 1 && !strcmp(argv[1], "--run-tests"))
return (main_run_tests(argc - 1, argv + 1));
if (argc > 1) {
if (!strcmp(argv[1], "--poll-server"))
return (main_poll_server(argc - 1, argv + 1));
if (!strcmp(argv[1], "--sim-client"))
return (main_sim_client(argc - 1, argv + 1));
if (!strcmp(argv[1], "--run-tests"))
return (main_run_tests(argc - 1, argv + 1));
if (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h")) {
usage(NULL, argv[0]);
return 0;
}
}

return (main_client(argc, argv));
}