cellular-infrastructure
/
osmo-bsc
mirror of https://gerrit.osmocom.org/osmo-bsc
9
0
Fork 0
Code Issues Releases Wiki Activity

hack to write TS2 frames to a file

This commit is contained in:
Harald Welte 2008-12-27 16:45:29 +00:00
parent 4bc90a160a
commit e9a8261486
2 changed files with 76 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/debug.c
View File

@ -28,7 +28,7 @@
#include <openbsc/debug.h>
static unsigned int debug_mask = 0xffffffff & ~DMI;
static unsigned int debug_mask = 0xffffffff & ~(DMI|DMIB);
struct debug_info {
const char *name;

78
src/misdn.c
View File

@ -25,6 +25,7 @@
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
@ -59,6 +60,8 @@ struct mi_e1_handle {
void (*cb)(int event, struct gsm_bts *bts);
struct bsc_fd fd[NUM_E1_TS];
int ts2_fd;
};
/* FIXME: this needs to go */
@ -246,10 +249,56 @@ static int handle_ts1_write(struct bsc_fd *bfd)
return ret;
}
#define TSX_ALLOC_SIZE 4096
/* FIXME: read from a B channel TS */
static int handle_tsX_read(struct bsc_fd *bfd)
{
/* FIXME: read from a B channel TS */
return -1;
struct mi_e1_handle *e1h = bfd->data;
struct msgb *msg = msgb_alloc(TSX_ALLOC_SIZE);
struct mISDNhead *hh;
int ret;
if (!msg)
return -ENOMEM;
hh = (struct mISDNhead *) msg->data;
/* FIXME: Map TEI/SAPI to TRX */
msg->trx = e1h->bts->c0;
ret = recv(bfd->fd, msg->data, TSX_ALLOC_SIZE, 0);
if (ret < 0) {
fprintf(stderr, "recvfrom error %s\n", strerror(errno));
return ret;
}
msgb_put(msg, ret);
DEBUGP(DMIB, "<= BCHAN len = %d, prim(0x%x) id(0x%x)\n", ret, hh->prim, hh->id);
switch (hh->prim) {
case PH_CONTROL_IND:
DEBUGP(DMIB, "got PH_CONTROL_IND\n");
break;
case PH_DATA_IND:
DEBUGP(DMIB, "got PH_DATA_IND\n");
msg->l2h = msg->data + MISDN_HEADER_LEN;
fprintf(stdout, "BCHAN RX: ");
hexdump(msgb_l2(msg), ret - MISDN_HEADER_LEN);
if (!e1h->ts2_fd)
e1h->ts2_fd = open("/tmp/ts2.dump", O_WRONLY|O_APPEND|O_CREAT, 0660);
write(e1h->ts2_fd, msgb_l2(msg), ret - MISDN_HEADER_LEN);
break;
default:
DEBUGP(DMIB, "got unexpected 0x%x prim\n", hh->prim);
break;
}
return ret;
}
static int handle_tsX_write(struct bsc_fd *bfd)
@ -304,6 +353,25 @@ int _abis_nm_sendmsg(struct msgb *msg)
return 0;
}
static int activate_bchan(struct mi_e1_handle *e1h, int ts)
{
struct mISDNhead hh;
int ret;
struct bsc_fd *bfd = &e1h->fd[ts-1];
fprintf(stdout, "activate bchan\n");
hh.prim = PH_ACTIVATE_REQ;
hh.id = MISDN_ID_ANY;
ret = sendto(bfd->fd, &hh, sizeof(hh), 0, NULL, 0);
if (ret < 0) {
fprintf(stdout, "could not send ACTIVATE_RQ %s\n",
strerror(errno));
return 0;
}
return ret;
}
static int mi_e1_setup(struct mi_e1_handle *e1h)
{
int ts, sk, ret, cnt;
@ -356,7 +424,6 @@ static int mi_e1_setup(struct mi_e1_handle *e1h)
} else
bfd->fd = socket(PF_ISDN, SOCK_DGRAM, ISDN_P_B_RAW);
if (bfd->fd < 0) {
fprintf(stderr, "could not open socket %s\n",
strerror(errno));
@ -380,6 +447,11 @@ static int mi_e1_setup(struct mi_e1_handle *e1h)
return -EIO;
}
if (ts == 2) {
bfd->when = BSC_FD_READ;
activate_bchan(e1h, ts);
}
ret = bsc_register_fd(bfd);
if (ret < 0) {
fprintf(stderr, "could not register FD: %s\n",