void get_data(msg_dir_t dir, volatile unsigned char *data) {
static unsigned char data_count = 0;
if (data_count < ctx.msg.size) {
ctx.msg.data[data_count++] = *data;
} else {
ctx.data_cb = idle;
data_count = 0;
if (*data == crc(&ctx.msg.data[0], ctx.msg.size))
msg_complete(dir);
else
ctx.status.rx_error = TRUE;
}
}
int
msg_unmarshal(struct msg *tmp, struct evbuffer *evbuf)
{
ev_uint32_t tag;
while (evbuffer_get_length(evbuf) > 0) {
if (evtag_peek(evbuf, &tag) == -1)
return (-1);
switch (tag) {
case MSG_FROM_NAME:
if (tmp->from_name_set)
return (-1);
if (evtag_unmarshal_string(evbuf, MSG_FROM_NAME, &tmp->from_name_data) == -1) {
event_warnx("%s: failed to unmarshal from_name", __func__);
return (-1);
}
tmp->from_name_set = 1;
break;
case MSG_TO_NAME:
if (tmp->to_name_set)
return (-1);
if (evtag_unmarshal_string(evbuf, MSG_TO_NAME, &tmp->to_name_data) == -1) {
event_warnx("%s: failed to unmarshal to_name", __func__);
return (-1);
}
tmp->to_name_set = 1;
break;
case MSG_ATTACK:
if (tmp->attack_set)
return (-1);
tmp->attack_data = kill_new();
if (tmp->attack_data == NULL)
return (-1);
if (evtag_unmarshal_kill(evbuf, MSG_ATTACK, tmp->attack_data) == -1) {
event_warnx("%s: failed to unmarshal attack", __func__);
return (-1);
}
tmp->attack_set = 1;
break;
case MSG_RUN:
if (tmp->run_length >= tmp->run_num_allocated &&
msg_run_expand_to_hold_more(tmp) < 0) {
puts("HEY NOW");
return (-1);
}
tmp->run_data[tmp->run_length] = run_new();
if (tmp->run_data[tmp->run_length] == NULL)
return (-1);
if (evtag_unmarshal_run(evbuf, MSG_RUN, tmp->run_data[tmp->run_length]) == -1) {
event_warnx("%s: failed to unmarshal run", __func__);
return (-1);
}
++tmp->run_length;
tmp->run_set = 1;
break;
default:
return -1;
}
}
if (msg_complete(tmp) == -1)
return (-1);
return (0);
}
int
msg_unmarshal(struct msg *tmp, struct evbuffer *evbuf)
{
ev_uint32_t tag;
while (EVBUFFER_LENGTH(evbuf) > 0) {
if (evtag_peek(evbuf, &tag) == -1)
return (-1);
switch (tag) {
case MSG_FROM_NAME:
if (tmp->from_name_set)
return (-1);
if (evtag_unmarshal_string(evbuf, MSG_FROM_NAME, &tmp->from_name_data) == -1) {
event_warnx("%s: failed to unmarshal from_name", __func__);
return (-1);
}
tmp->from_name_set = 1;
break;
case MSG_TO_NAME:
if (tmp->to_name_set)
return (-1);
if (evtag_unmarshal_string(evbuf, MSG_TO_NAME, &tmp->to_name_data) == -1) {
event_warnx("%s: failed to unmarshal to_name", __func__);
return (-1);
}
tmp->to_name_set = 1;
break;
case MSG_ATTACK:
if (tmp->attack_set)
return (-1);
tmp->attack_data = kill_new();
if (tmp->attack_data == NULL)
return (-1);
if (evtag_unmarshal_kill(evbuf, MSG_ATTACK, tmp->attack_data) == -1) {
event_warnx("%s: failed to unmarshal attack", __func__);
return (-1);
}
tmp->attack_set = 1;
break;
case MSG_RUN:
if (msg_run_add(tmp) == NULL)
return (-1);
if (evtag_unmarshal_run(evbuf, MSG_RUN,
tmp->run_data[tmp->run_length - 1]) == -1) {
--tmp->run_length;
event_warnx("%s: failed to unmarshal run", __func__);
return (-1);
}
tmp->run_set = 1;
break;
default:
return -1;
}
}
if (msg_complete(tmp) == -1)
return (-1);
return (0);
}
