static inline bool
s_is_valid_path(const char *path, char *buf, size_t buflen) {
bool ret = false;
if (IS_VALID_STRING(path) == true &&
buf != NULL) {
const char *org = path;
char *t = NULL;
while (isspace((int)*org)) {
org++;
}
if (lagopus_str_trim_right(org, "\t\r\n ", &t) >= 0) {
if (strlen(t) > 0) {
snprintf(buf, buflen, "%s", t);
ret = true;
}
free((void *)t);
}
}
return ret;
}
int
main(int argc, const char *const argv[]) {
lagopus_result_t st = LAGOPUS_RESULT_ANY_FAILURES;
lagopus_pipeline_stage_t s = NULL;
size_t nthd = 1;
(void)argc;
if (IS_VALID_STRING(argv[1]) == true) {
size_t tmp;
if (lagopus_str_parse_uint64(argv[1], &tmp) == LAGOPUS_RESULT_OK &&
tmp > 0LL) {
nthd = tmp;
}
}
fprintf(stdout, "Creating... ");
st = lagopus_pipeline_stage_create(&s, 0, "a_test",
nthd,
sizeof(void *), 1024,
s_pre_pause,
s_sched,
s_setup,
s_fetch,
s_main,
s_throw,
s_shutdown,
s_finalize,
s_freeup);
if (st == LAGOPUS_RESULT_OK) {
fprintf(stdout, "Created.\n");
fprintf(stdout, "Setting up... ");
st = lagopus_pipeline_stage_setup(&s);
if (st == LAGOPUS_RESULT_OK) {
fprintf(stdout, "Set up.\n");
fprintf(stdout, "Starting... ");
st = lagopus_pipeline_stage_start(&s);
if (st == LAGOPUS_RESULT_OK) {
fprintf(stdout, "Started.\n");
fprintf(stdout, "Opening the front door... ");
st = global_state_set(GLOBAL_STATE_STARTED);
if (st == LAGOPUS_RESULT_OK) {
char buf[1024];
char *cmd = NULL;
fprintf(stdout, "The front door is open.\n");
fprintf(stdout, "> ");
while (fgets(buf, sizeof(buf), stdin) != NULL &&
st == LAGOPUS_RESULT_OK) {
(void)lagopus_str_trim_right(buf, "\r\n\t ", &cmd);
if (strcasecmp(cmd, "pause") == 0 ||
strcasecmp(cmd, "spause") == 0) {
fprintf(stdout, "Pausing... ");
if ((st = lagopus_pipeline_stage_pause(&s, -1LL)) ==
LAGOPUS_RESULT_OK) {
if (strcasecmp(cmd, "spause") == 0) {
s_set(0LL);
}
fprintf(stdout, "Paused " PF64(u) "\n", s_get());
} else {
fprintf(stdout, "Failure.\n");
}
} else if (strcasecmp(cmd, "resume") == 0) {
fprintf(stdout, "Resuming... ");
if ((st = lagopus_pipeline_stage_resume(&s)) ==
LAGOPUS_RESULT_OK) {
fprintf(stdout, "Resumed.\n");
} else {
fprintf(stdout, "Failure.\n");
}
} else if (strcasecmp(cmd, "get") == 0) {
fprintf(stdout, PF64(u) "\n", s_get());
}
free((void *)cmd);
cmd = NULL;
fprintf(stdout, "> ");
}
fprintf(stdout, "\nDone.\n");
fprintf(stdout, "Shutting down... ");
st = lagopus_pipeline_stage_shutdown(&s, SHUTDOWN_GRACEFULLY);
if (st == LAGOPUS_RESULT_OK) {
fprintf(stdout, "Shutdown accepted... ");
sleep(1);
s_do_stop = true;
fprintf(stdout, "Waiting shutdown... ");
st = lagopus_pipeline_stage_wait(&s, -1LL);
if (st == LAGOPUS_RESULT_OK) {
fprintf(stdout, "OK, Shutdown.\n");
}
}
}
}
}
}
fflush(stdout);
if (st != LAGOPUS_RESULT_OK) {
lagopus_perror(st);
}
fprintf(stdout, "Destroying... ");
lagopus_pipeline_stage_destroy(&s);
fprintf(stdout, "Destroyed.\n");
return (st == LAGOPUS_RESULT_OK) ? 0 : 1;
}