static int oop_event_context_destructor(struct event_context *ev)
{
oop_source_sys *oop_sys = ev->additional_data;
oop_sys_delete(oop_sys);
return 0;
}
static void solve(int retry, int timeout, int cname, const ruli_list_t *server_list)
{
oop_source_sys *source_sys; /* System event source */
oop_source *source; /* Event registration interface */
ruli_res_t res_ctx;
int result;
ruli_conf_handler_t handler;
/*
* Create event source
*/
create_oop_source(&source_sys, &source);
/*
* Initialize resolver
*/
handler.opaque = server_list;
handler.search_loader = load_search_list;
handler.search_unloader = unload_search_list;
handler.ns_loader = load_ns_list;
handler.ns_unloader = unload_ns_list;
res_ctx.res_conf_handler = &handler;
res_ctx.res_source = source;
res_ctx.res_retry = retry;
res_ctx.res_timeout = timeout;
result = ruli_res_new(&res_ctx);
if (result) {
fprintf(stderr,
"%s: can't create ruli resolver: %s [%d]\n",
prog_name, ruli_res_errstr(result), result);
exit(1);
}
/*
* main solve loop
*/
for (;;) {
const int INBUFSZ = 1024;
char inbuf[INBUFSZ];
/*
* Read stdin
*/
if (!fgets(inbuf, INBUFSZ, stdin)) {
if (feof(stdin))
break;
fprintf(stderr,
"%s: reading from stdin: %s\n",
prog_name, strerror(errno));
continue;
}
/*
* Scan tokens
*/
{
const char *SEP = "\r\n\t ";
char *ptr;
char *tok;
tok = strtok_r(inbuf, SEP, &ptr);
if (!tok)
continue;
for (;;) {
/*
* Submit query for token
*/
do_query(&res_ctx, tok, cname);
tok = strtok_r(0, SEP, &ptr);
if (!tok)
break;
} /* for */
} /* Scan tokens */
/*
* Run event loop (send queries, receive answers)
*/
{
void *oop_result = run_event_loop(source_sys);
if (oop_result != OOP_CONTINUE)
break;
}
} /* main solve loop */
/*
* Destroy resolver
*/
ruli_res_delete(&res_ctx);
/*
* Destroy event source
*/
oop_sys_delete(source_sys);
}
static void go(int retry, int timeout, ruli_list_t *server_list)
{
oop_source_sys *source_sys; /* System event source */
oop_source *source; /* Event registration interface */
ruli_res_t res_ctx;
int result;
ruli_conf_handler_t handler;
/*
* Create event source
*/
create_oop_source(&source_sys, &source);
/*
* Initialize resolver
*/
handler.opaque = server_list;
handler.search_loader = load_search_list;
handler.search_unloader = unload_search_list;
handler.ns_loader = load_ns_list;
handler.ns_unloader = unload_ns_list;
res_ctx.res_conf_handler = &handler;
res_ctx.res_source = source;
res_ctx.res_retry = retry;
res_ctx.res_timeout = timeout;
result = ruli_res_new(&res_ctx);
if (result) {
fprintf(stderr,
"%s: can't create ruli resolver: %s [%d]\n",
prog_name, ruli_res_errstr(result), result);
exit(1);
}
/*
* Monitor stdin for read
*/
{
int std_in = 0;
set_non_blocking(std_in);
source->on_fd(source, std_in, OOP_READ, on_stdin_read, &res_ctx);
}
/*
* Run event loop
*/
{
void *oop_result = oop_sys_run(source_sys);
if (oop_result == OOP_ERROR)
fprintf(stderr,
"%s: oop system source returned error\n",
prog_name);
else if (oop_result == OOP_CONTINUE) {
/*
* Normal termination
*/
#ifdef SRVSOLVER_DEBUG
fprintf(stderr,
"%s: oop system source had no event registered\n",
prog_name);
#endif
}
else if (oop_result == OOP_HALT)
fprintf(stderr,
"%s: some sink requested oop system halt\n",
prog_name);
else
fprintf(stderr,
"%s: unexpected oop system source result (!)\n",
prog_name);
}
/*
* Destroy resolver
*/
ruli_res_delete(&res_ctx);
/*
* Destroy event source
*/
oop_sys_delete(source_sys);
}
