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/*
* (C) 2013-2016 by Harald Welte <laforge@gnumonks.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <osmocom/core/msgb.h>
#include "diag_cmd.h"
#include "protocol/protocol.h"
#include "protocol/diagcmd.h"
/***********************************************************************
* EVENT Configuration / Protocol
***********************************************************************/
struct diag_event_mask_set_req {
uint8_t cmd_code;
uint8_t pad[3];
uint8_t mask[0];
} __attribute__((packed));
struct diag_event_cfg_req {
uint8_t cmd_code;
uint8_t enable;
} __attribute__((packed));
static struct msgb *gen_event_set_mask(uint32_t last_item)
{
struct msgb *msg = msgb_alloc(DIAG_MAX_REQ_SIZE, "Diag Event Cfg");
struct diag_event_mask_set_req *demsr;
msg->l2h = msgb_put(msg, sizeof(*demsr));
demsr = (struct diag_event_mask_set_req *) msg->l2h;
demsr->cmd_code = DIAG_EVENT_MASK_SET_F;
msg->l3h = msgb_put(msg, bytes_rqd_for_bit(last_item));
return msg;
}
int diag_event_set_bit(struct msgb *msg, uint32_t bit_in)
{
struct diag_event_mask_set_req *demsr;
demsr = (struct diag_event_mask_set_req *) msg->l2h;
uint8_t *mask = demsr->mask;
unsigned int byte = bit_in / 8;
unsigned int bit = bit_in % 8;
if (mask + byte > msg->tail) {
fprintf(stderr, "bit %u is outside event mask!\n", bit_in);
return -1;
}
mask[byte] |= (1 << bit);
return 0;
}
struct diag_event_id {
uint16_t id:12,
_pad:1,
payload_len:2, /* 0x2000, 0x4000 */
ts_trunc:1; /* 0x8000 */
} __attribute__ ((packed));
struct diag_event_report_event {
struct diag_event_id event_id;
uint64_t timestamp;
uint8_t payload[0];
} __attribute__ ((packed));
struct diag_event_report_event_trunc {
struct diag_event_id event_id;
uint16_t timestamp_trunc;
uint8_t payload[0];
} __attribute__ ((packed));
struct diag_event_report {
uint8_t cmd_code;
uint16_t len;
struct diag_event_report_event events[0];
} __attribute__ ((packed));
static void diag_rx_event_report_f(struct diag_instance *di, struct msgb *msg)
{
struct diag_event_report *erep = (struct diag_event_report *) msgb_l2(msg);
uint16_t erep_len = osmo_load16le(&erep->len);
uint8_t *cur;
//printf("EVENT (erep_len=%u): %s\n", erep_len, msgb_hexdump(msg));
for (cur = (uint8_t *)erep->events; cur < (uint8_t *)erep->events + erep_len;) {
uint16_t _eid = osmo_load16le(cur);
struct diag_event_id *event_id = (struct diag_event_id *)&_eid;
if (event_id->ts_trunc) {
struct diag_event_report_event_trunc *ret;
ret = (struct diag_event_report_event_trunc *) cur;
cur += sizeof(*ret);
printf("EVENT-TRUNC(0x%04x|FIXME)", event_id->id);
} else {
struct diag_event_report_event *re;
re = (struct diag_event_report_event *) cur;
cur += sizeof(*re);
uint64_t ts = osmo_load64le(&re->timestamp);
printf("EVENT(0x%04x|%u|%u)", event_id->id,
diag_ts_to_epoch(ts), diag_ts_to_fn(ts));
}
switch (event_id->payload_len) {
case 0:
printf("\n");
break;
case 1:
printf(": 0x%02x\n", cur[0]);
cur += 1;
break;
case 2:
printf(": 0x%02x, 0x%02x\n", cur[0], cur[1]);
cur += 2;
break;
case 3:
printf(": %s\n", osmo_hexdump(cur+1, *cur));
cur += *cur + 1;
break;
}
}
#if 0
for (i = 0; (i+1)*sizeof(struct diag_event_report_event) <= erep_len; i++) {
struct diag_event_report_event *evt = &erep->events[i];
uint16_t event_id = osmo_load16le(&evt->event_id);
}
#endif
}
static const struct diag_cmd_dispatch_tbl cmd_tbl[] = {
{ DIAG_EVENT_REPORT_F, diag_rx_event_report_f },
};
static __attribute__((constructor)) void on_dso_load_event(void)
{
diag_cmd_reg_dispatch(cmd_tbl, ARRAY_SIZE(cmd_tbl));
}
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