/*! Register log notification stream
* @param[in] h Clicon handle
* @param[in] stream Event stream. CLICON is predefined, others are application-defined
* @param[in] filter Filter. For xml notification ie xpath: .[name="kalle"]
* @param[in] status 0 for stop, 1 to start
* @param[in] fn Callback function called when notification occurs
* @param[in] arg Argument to function note
* Note this calls cligen_regfd which may callback on cli command interpretator
*/
int
cli_notification_register(clicon_handle h,
char *stream,
enum format_enum format,
char *filter,
int status,
int (*fn)(int, void*),
void *arg)
{
int retval = -1;
char *logname = NULL;
void *p;
int s;
clicon_hash_t *cdat = clicon_data(h);
size_t len;
int s_exist = -1;
len = strlen("log_socket_") + strlen(stream) + 1;
if ((logname = malloc(len)) == NULL){
clicon_err(OE_UNIX, errno, "malloc");
goto done;
}
snprintf(logname, len, "log_socket_%s", stream);
if ((p = hash_value(cdat, logname, &len)) != NULL)
s_exist = *(int*)p;
if (status){ /* start */
if (s_exist!=-1){
clicon_err(OE_PLUGIN, 0, "Result log socket already exists");
goto done;
}
if (clicon_rpc_create_subscription(h, stream, filter, &s) < 0)
goto done;
if (cligen_regfd(s, fn, arg) < 0)
goto done;
if (hash_add(cdat, logname, &s, sizeof(s)) == NULL)
goto done;
}
else{ /* stop */
if (s_exist != -1){
cligen_unregfd(s_exist);
}
hash_del(cdat, logname);
#if 0 /* cant turn off */
if (clicon_rpc_create_subscription(h, status, stream, format, filter, NULL) < 0)
goto done;
#endif
}
retval = 0;
done:
if (logname)
free(logname);
return retval;
}
/*
* Deallocate handle.
* Includes freeing options.
*/
int
clicon_handle_exit(clicon_handle h)
{
struct clicon_handle *ch = handle(h);
clicon_hash_t *copt;
clicon_hash_t *data;
if ((copt = clicon_options(h)) != NULL)
hash_free(copt);
if ((data = clicon_data(h)) != NULL)
hash_free(data);
free(ch);
return 0;
}
