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/* gprs_rlcmac.cpp
*
* Copyright (C) 2012 Ivan Klyuchnikov
* Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu>
* Copyright (C) 2013 by Holger Hans Peter Freyther
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <gprs_bssgp_pcu.h>
#include <pcu_l1_if.h>
#include <gprs_rlcmac.h>
#include <bts.h>
#include <encoding.h>
#include <tbf.h>
extern void *tall_pcu_ctx;
#ifdef DEBUG_DIAGRAM
struct timeval diagram_time = {0,0};
struct timeval diagram_last_tv = {0,0};
void debug_diagram(BTS *bts, int diag, const char *format, ...)
{
va_list ap;
char debug[128];
char line[1024];
struct gprs_rlcmac_tbf *tbf, *tbf_a[16];
int max_diag = -1, i;
uint64_t diff = 0;
va_start(ap, format);
vsnprintf(debug, sizeof(debug) - 1, format, ap);
debug[19] = ' ';
debug[20] = '\0';
va_end(ap);
memset(tbf_a, 0, sizeof(tbf_a));
llist_for_each_entry(tbf, &bts->bts_data()->ul_tbfs, list) {
if (tbf->diag < 16) {
if (tbf->diag > max_diag)
max_diag = tbf->diag;
tbf_a[tbf->diag] = tbf;
}
}
llist_for_each_entry(tbf, &bts->bts_data()->dl_tbfs, list) {
if (tbf->diag < 16) {
if (tbf->diag > max_diag)
max_diag = tbf->diag;
tbf_a[tbf->diag] = tbf;
}
}
if (diagram_last_tv.tv_sec) {
diff = (uint64_t)(diagram_time.tv_sec -
diagram_last_tv.tv_sec) * 1000;
diff += diagram_time.tv_usec / 1000;
diff -= diagram_last_tv.tv_usec / 1000;
}
memcpy(&diagram_last_tv, &diagram_time, sizeof(struct timeval));
if (diff > 0) {
if (diff > 99999)
strcpy(line, " ... : ");
else
sprintf(line, "%3d.%03d: ", (int)(diff / 1000),
(int)(diff % 1000));
for (i = 0; i <= max_diag; i++) {
if (tbf_a[i] == NULL) {
strcat(line, " ");
continue;
}
if (tbf_a[i]->diag_new) {
strcat(line, " | ");
continue;
}
strcat(line, " ");
}
puts(line);
}
strcpy(line, " : ");
for (i = 0; i <= max_diag; i++) {
if (tbf_a[i] == NULL) {
strcat(line, " ");
continue;
}
if (tbf_a[i]->diag != diag) {
strcat(line, " | ");
continue;
}
if (strlen(debug) < 19) {
strcat(line, " ");
memcpy(line + strlen(line) - 11 - strlen(debug) / 2,
debug, strlen(debug));
} else
strcat(line, debug);
tbf_a[i]->diag_new = 1;
}
puts(line);
}
#endif
int gprs_rlcmac_paging_request(uint8_t *ptmsi, uint16_t ptmsi_len,
const char *imsi)
{
LOGP(DRLCMAC, LOGL_NOTICE, "TX: [PCU -> BTS] Paging Request (CCCH)\n");
bitvec *paging_request = bitvec_alloc(23);
bitvec_unhex(paging_request, "2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b");
int plen = Encoding::write_paging_request(paging_request, ptmsi, ptmsi_len);
pcu_l1if_tx_pch(paging_request, plen, (char *)imsi);
bitvec_free(paging_request);
return 0;
}
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