int main()
{
int status, size;
HNDLE hDB, hKey;
/* connect to experiment */
status = cm_connect_experiment("", "", "ODBTest", NULL);
if (status != CM_SUCCESS)
return 1;
/* get handle to online database */
cm_get_experiment_database(&hDB, &hKey);
/* read key "runinfo/run number" */
size = sizeof(run_number);
status =
db_get_value(hDB, 0, "/runinfo/run number", &run_number, &size, TID_INT, TRUE);
if (status != DB_SUCCESS) {
printf("Cannot read run number");
return 0;
}
printf("Current run number is %d\n", run_number);
/* set new run number */
run_number++;
db_set_value(hDB, 0, "/runinfo/run number", &run_number, size, 1, TID_INT);
/* now open run_number with automatic updates */
db_find_key(hDB, 0, "/runinfo/run number", &hKey);
db_open_record(hDB, hKey, &run_number, sizeof(run_number),
MODE_READ, run_number_changed, NULL);
printf("Waiting for run number to change. Hit RETURN to abort\n");
do {
cm_yield(1000);
} while (!ss_kbhit());
db_close_record(hDB, hKey);
/* disconnect from experiment */
cm_disconnect_experiment();
return 1;
}
int main(int argc, char *argv[])
{
BOOL daemon = FALSE;
INT status, i, ch;
char host_name[HOST_NAME_LENGTH];
char exp_name[NAME_LENGTH];
char *speech_program = SPEECH_PROGRAM;
/* get default from environment */
cm_get_environment(host_name, sizeof(host_name), exp_name, sizeof(exp_name));
#ifdef OS_DARWIN
strlcpy(mtTalkStr, "afplay $MIDASSYS/utils/notify.wav", sizeof(mtTalkStr));
strlcpy(mtUserStr, "afplay $MIDASSYS/utils/notify.wav", sizeof(mtTalkStr));
#endif
/* parse command line parameters */
for (i = 1; i < argc; i++) {
if (argv[i][0] == '-' && argv[i][1] == 'D')
daemon = TRUE;
else if (argv[i][0] == '-') {
if (i + 1 >= argc || argv[i + 1][0] == '-')
goto usage;
if (argv[i][1] == 'e')
strcpy(exp_name, argv[++i]);
else if (argv[i][1] == 'h')
strcpy(host_name, argv[++i]);
else if (argv[i][1] == 'c')
speech_program = argv[++i];
else if (argv[i][1] == 't')
strcpy(mtTalkStr, argv[++i]);
else if (argv[i][1] == 'u')
strcpy(mtUserStr, argv[++i]);
else if (argv[i][1] == 's')
shutupTime = atoi(argv[++i]);
else {
usage:
printf
("usage: mlxspeaker [-h Hostname] [-e Experiment] [-c command] [-D] daemon\n");
printf(" [-t mt_talk] Specify the mt_talk alert command\n");
printf(" [-u mt_user] Specify the mt_user alert command\n");
printf(" [-s shut up time] Specify the min time interval between alert [s]\n");
printf(" The -t & -u switch require a command equivalent to:\n");
printf(" '-t play --volume=0.3 file.wav'\n");
printf(" [-c command] Used to start the speech synthesizer,\n");
printf(" which should read text from it's standard input.\n");
printf(" eg: mlxspeaker -c 'festival --tts -'\n\n");
return 0;
}
}
}
if (daemon) {
printf("Becoming a daemon...\n");
ss_daemon_init(FALSE);
}
/* Handle SIGPIPE signals generated from errors on the pipe */
signal(SIGPIPE, sigpipehandler);
signal(SIGINT, siginthandler);
fp = popen(speech_program, "w");
if (fp == NULL) {
cm_msg(MERROR, "Speaker", "Unable to start \"%s\": %s\n",
speech_program, strerror(errno));
cm_disconnect_experiment();
exit(2);
}
/* now connect to server */
status = cm_connect_experiment(host_name, exp_name, "Speaker", NULL);
if (status != CM_SUCCESS)
return 1;
cm_msg_register(receive_message);
printf("Midas Message Speaker connected to %s. Press \"!\" to exit.\n", host_name[0] ? host_name : "local host");
/* initialize terminal */
ss_getchar(0);
do {
status = cm_yield(1000);
while (ss_kbhit()) {
ch = ss_getchar(0);
if (ch == -1)
ch = getchar();
if (ch == '!')
status = RPC_SHUTDOWN;
}
} while (status != SS_ABORT && status != RPC_SHUTDOWN);
/* reset terminal */
ss_getchar(TRUE);
pclose(fp);
cm_disconnect_experiment();
return 1;
}
