\*****************************************************************************/
#include "main.h"
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
extern "C" {
-#include "openbsc/gsm_data.h"
-#include "openbsc/mncc.h"
-#include "openbsc/trau_frame.h"
-#include "openbsc/select.h"
-#include "openbsc/debug.h"
-#include "openbsc/e1_input.h"
-#include "bootstrap.h"
+#include <getopt.h>
+
+#include <openbsc/db.h>
+#include <openbsc/select.h>
+#include <openbsc/debug.h>
+#include <openbsc/e1_input.h>
+#include <openbsc/talloc.h>
+#include <openbsc/mncc.h>
+#include <openbsc/trau_frame.h>
+struct gsm_network *bsc_gsmnet = 0;
+extern int ipacc_rtp_direct;
+extern int bsc_bootstrap_network(int (*mmc_rev)(struct gsm_network *, int, void *),
+ const char *cfg_file);
+extern int bsc_shutdown_net(struct gsm_network *net);
+void talloc_ctx_init(void);
+void on_dso_load_token(void);
+void on_dso_load_rrlp(void);
+
#include "gsm_audio.h"
#undef AF_ISDN
#define PF_ISDN AF_ISDN
}
+
struct lcr_gsm *gsm = NULL;
static unsigned int new_callref = 1;
/* receive from bchannel */
void Pgsm::bchannel_receive(struct mISDNhead *hh, unsigned char *data, int len)
{
- int i, j, k;
unsigned char frame[33];
- struct decoded_trau_frame tf;
/* encoder init failed */
if (!p_m_g_encoder)
/* encode data */
gsm_audio_encode(p_m_g_encoder, p_m_g_rxdata, frame);
-
- /* set c-bits and t-bits */
- tf.c_bits[0] = 1;
- tf.c_bits[1] = 1;
- tf.c_bits[2] = 1;
- tf.c_bits[3] = 0;
- tf.c_bits[4] = 0;
- memset(&tf.c_bits[5], 0, 6);
- memset(&tf.c_bits[11], 1, 10);
- memset(&tf.t_bits[0], 1, 4);
-
- /* reassemble d-bits */
- i = 0;
- j = 0;
- k = 0;
- while(i < 260) {
- tf.d_bits[i] = (frame[j] >> k) & 1;
- if (++k == 8) {
- k = 0;
- j++;
- }
- i++;
- }
-
- trau_send(&tf);
+ frame_send(frame);
}
}
}
PERROR("Failed to send to socket index %d\n", index);
}
-void Pgsm::trau_send(void *_tf)
+void Pgsm::frame_send(void *_frame)
{
- struct decoded_trau_frame *tf = (struct decoded_trau_frame *)_tf;
- unsigned char data[sizeof(struct gsm_trau_frame) + sizeof(struct decoded_trau_frame)];
- struct gsm_trau_frame *frame = (struct gsm_trau_frame *)data;
+ unsigned char buffer[sizeof(struct gsm_data_frame) + 33];
+ struct gsm_data_frame *frame = (struct gsm_data_frame *)buffer;
- frame->msg_type = GSM_TRAU_FRAME;
+ frame->msg_type = GSM_TCHF_FRAME;
frame->callref = p_m_g_callref;
- memcpy(frame->data, tf, sizeof(struct decoded_trau_frame));
+ memcpy(frame->data, _frame, 33);
mncc_send((struct gsm_network *)gsm->network, frame->msg_type, frame);
}
-void Pgsm::trau_receive(void *_frame)
+void Pgsm::frame_receive(void *_frame)
{
- struct gsm_trau_frame *frm = (struct gsm_trau_frame *)_frame;
- struct decoded_trau_frame *tf = (struct decoded_trau_frame *)frm->data;
-//struct decoded_trau_frame *tf = (struct decoded_trau_frame *)_frame;
- unsigned char frame[33];
+ struct gsm_data_frame *frame = (struct gsm_data_frame *)_frame;
signed short samples[160];
unsigned char data[160];
- int i, j, k;
+ int i;
if (!p_m_g_decoder)
return;
-// printf("got trau %d %d %d %d %d\n", tf->c_bits[0], tf->c_bits[1], tf->c_bits[2], tf->c_bits[3], tf->c_bits[4]);
- if (tf->c_bits[0]!=0 || tf->c_bits[1]!=0 || tf->c_bits[2]!=0 || tf->c_bits[3]!=1 || tf->c_bits[4]!=0)
- PERROR("illegal trau (C1-C5) %d %d %d %d %d\n", tf->c_bits[0], tf->c_bits[1], tf->c_bits[2], tf->c_bits[3], tf->c_bits[4]);
-
- /* set GSM_MAGIC */
- memset(&frame, 0, sizeof(frame));
-// frame[0] = 0xd << 4;
-
- /* reassemble bits */
- i = 0;
- j = 0;
- k = 0;
- while(i < 260) {
- if (tf->d_bits[i] > 1)
- PERROR("fix!\n");
- frame[j] |= (tf->d_bits[i] << k);
- if (++k == 8) {
- k = 0;
- j++;
- }
- i++;
- }
+ if ((frame->data[0]>>4) != 0xd)
+ PERROR("received GSM frame with wrong magig 0x%x\n", frame->data[0]>>4);
/* decode */
- gsm_audio_decode(p_m_g_decoder, frame, samples);
+ gsm_audio_decode(p_m_g_decoder, frame->data, samples);
for (i = 0; i < 160; i++) {
data[i] = audio_s16_to_law[samples[i] & 0xffff];
}
/*
* BSC sends message to port
*/
-static int message_bcs(struct gsm_network *net, int msg_type, void *arg)
+static int message_bsc(struct gsm_network *net, int msg_type, void *arg)
{
struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
unsigned int callref = mncc->callref;
port = port->next;
}
- if (msg_type == GSM_TRAU_FRAME) {
+ if (msg_type == GSM_TCHF_FRAME) {
if (port)
- pgsm->trau_receive((struct gsm_trau_frame *)arg);
+ pgsm->frame_receive((struct gsm_trau_frame *)arg);
return 0;
}
struct gsm_mncc *mncc;
int notify;
- printf("if = %d\n", param->notifyinfo.notify);
+// printf("if = %d\n", param->notifyinfo.notify);
if (param->notifyinfo.notify>INFO_NOTIFY_NONE) {
notify = param->notifyinfo.notify & 0x7f;
if (p_state!=PORT_STATE_CONNECT /*&& p_state!=PORT_STATE_IN_PROCEEDING*/ && p_state!=PORT_STATE_IN_ALERTING) {
gsm_sock_close();
/* shutdown network */
if (gsm->network)
- shutdown_net((struct gsm_network *)gsm->network);
+ bsc_shutdown_net((struct gsm_network *)gsm->network);
/* free network */
- if (gsm->network) {
- free((struct gsm_network *)gsm->network); /* TBD */
- }
+// if (gsm->network) {
+// free((struct gsm_network *)gsm->network); /* TBD */
+// }
free(gsm);
gsm = NULL;
}
int gsm_init(void)
{
- char hlr[128], filename[128];
+ char hlr[128], cfg[128], filename[128];
mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
- int pcapfd;
+ int pcapfd, rc;
+
+ tall_bsc_ctx = talloc_named_const(NULL, 1, "openbsc");
+ talloc_ctx_init();
+ on_dso_load_token();
+ on_dso_load_rrlp();
+
+ /* seed the PRNG */
+ srand(time(NULL));
/* create gsm instance */
gsm = (struct lcr_gsm *)MALLOC(sizeof(struct lcr_gsm));
}
/* set debug */
- debug_parse_category_mask(gsm->conf.debug);
+ if (gsm->conf.debug[0])
+ debug_parse_category_mask(gsm->conf.debug);
+
+ /* open pcap file */
+ if (gsm->conf.pcapfile[0]) {
+ if (gsm->conf.pcapfile[0] == '/')
+ SCPY(filename, gsm->conf.pcapfile);
+ else
+ SPRINT(filename, "%s/%s", CONFIG_DATA, gsm->conf.pcapfile);
+ pcapfd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, mode);
+ if (pcapfd < 0) {
+ PERROR("Failed to open file for pcap\n");
+ return gsm_exit(-1);
+ }
+ e1_set_pcap_fd(pcapfd);
+ }
+
+ /* use RTP proxy for audio streaming */
+ ipacc_rtp_direct = 0;
/* init database */
if (gsm->conf.hlr[0] == '/')
SCPY(hlr, gsm->conf.hlr);
else
SPRINT(hlr, "%s/%s", CONFIG_DATA, gsm->conf.hlr);
-
- // TODO multiple base stations
- if (gsm->conf.numbts < 1 || gsm->conf.numbts > 1) {
- PERROR("Expecting exactly one BTS. You defined %d.\n", gsm->conf.numbts);
+ if (db_init(hlr)) {
+ PERROR("GSM DB: Failed to init database '%s'. Please check the option settings.\n", hlr);
+ return gsm_exit(-1);
+ }
+ printf("DB: Database initialized.\n");
+ if (db_prepare()) {
+ PERROR("GSM DB: Failed to prepare database.\n");
return gsm_exit(-1);
}
+ printf("DB: Database prepared.\n");
/* bootstrap network */
- gsm->network = bootstrap_network(&message_bcs, gsm->conf.bts[0].type, gsm->conf.mcc, gsm->conf.mnc, gsm->conf.lac, gsm->conf.bts[0].frequency[0], gsm->conf.bts[0].card, !gsm->conf.keep_l2, gsm->conf.short_name, gsm->conf.long_name, hlr, gsm->conf.allow_all);
- if (!gsm->network) {
+ if (gsm->conf.openbsc_cfg[0] == '/')
+ SCPY(cfg, gsm->conf.openbsc_cfg);
+ else
+ SPRINT(cfg, "%s/%s", CONFIG_DATA, gsm->conf.openbsc_cfg);
+ rc = bsc_bootstrap_network(&message_bsc, cfg);
+ if (rc < 0) {
PERROR("Failed to bootstrap GSM network.\n");
return gsm_exit(-1);
}
+ gsm->network = bsc_gsmnet;
/* open gsm loop interface */
if (gsm_sock_open(gsm->conf.interface_bsc)) {
return gsm_exit(-1);
}
- /* open pcap file */
- if (gsm->conf.pcapfile[0]) {
- if (gsm->conf.pcapfile[0] == '/')
- SCPY(filename, gsm->conf.pcapfile);
- else
- SPRINT(filename, "%s/%s", CONFIG_DATA, gsm->conf.pcapfile);
- pcapfd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, mode);
- if (pcapfd < 0) {
- PERROR("Failed to open file for pcap\n");
- return gsm_exit(-1);
- }
- e1_set_pcap_fd(pcapfd);
- }
-
return 0;
}
projects / lcr.git / blobdiff