static void
snmp_error_response(struct snmp_msg_pstat *msg_ps, u8_t error)
{
/* move names back from outvb to invb */
int v;
struct snmp_varbind *vbi = msg_ps->invb.head;
struct snmp_varbind *vbo = msg_ps->outvb.head;
for (v=0; v<msg_ps->vb_idx; v++) {
vbi->ident_len = vbo->ident_len;
vbo->ident_len = 0;
vbi->ident = vbo->ident;
vbo->ident = NULL;
vbi = vbi->next;
vbo = vbo->next;
}
/* free outvb */
snmp_varbind_list_free(&msg_ps->outvb);
/* we send invb back */
msg_ps->outvb = msg_ps->invb;
msg_ps->invb.head = NULL;
msg_ps->invb.tail = NULL;
msg_ps->invb.count = 0;
msg_ps->error_status = error;
/* error index must be 0 for error too big */
msg_ps->error_index = (error != SNMP_ES_TOOBIG) ? (1 + msg_ps->vb_idx) : 0;
snmp_send_response(msg_ps);
snmp_varbind_list_free(&msg_ps->outvb);
msg_ps->state = SNMP_MSG_EMPTY;
}
static void
snmp_error_response(struct snmp_msg_pstat *msg_ps, u8_t error)
{
snmp_varbind_list_free(&msg_ps->outvb);
msg_ps->outvb = msg_ps->invb;
msg_ps->invb.head = NULL;
msg_ps->invb.tail = NULL;
msg_ps->invb.count = 0;
msg_ps->error_status = error;
msg_ps->error_index = 1 + msg_ps->vb_idx;
snmp_send_response(msg_ps);
snmp_varbind_list_free(&msg_ps->outvb);
msg_ps->state = SNMP_MSG_EMPTY;
}
static void
snmp_ok_response(struct snmp_msg_pstat *msg_ps)
{
err_t err_ret;
err_ret = snmp_send_response(msg_ps);
if (err_ret == ERR_MEM) {
/* serious memory problem, can't return tooBig */
} else {
LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event = %"S32_F"\n",msg_ps->error_status));
}
/* free varbinds (if available) */
snmp_varbind_list_free(&msg_ps->invb);
snmp_varbind_list_free(&msg_ps->outvb);
msg_ps->state = SNMP_MSG_EMPTY;
}
