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This commit is contained in:
leo 2008-02-21 02:01:48 +00:00
parent 900d1c1c9e
commit 9cdb53878d
1 changed files with 19 additions and 2 deletions
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21
gsmdecode/src/data_out.c
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@ -183,6 +183,12 @@ l2_data_out_B(int fn, const unsigned char *input_data, int len, int logicalchann
HEXDUMPF(data, 23 /*len*/, "Format B DATA (%s)\n", direction?"up":"down");
/* Do not analyze dummy octets */
if (memcmp(data + 3, "\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b\x2b", 20) == 0)
return;
//printf("Logical channel: %d\n", logicalchannel);
/* Need at least 3 octets */
if (data + 2 >= end)
RETTRUNK();
@ -205,6 +211,18 @@ l2_data_out_B(int fn, const unsigned char *input_data, int len, int logicalchann
if ((data[0] >> 1) & 1)
{
/* Segmentation: y */
if ((logicalchannel != conptr->logicalchannel) && (conptr->ptr > conptr->buf))
{
/* Currently we only support 1 segmented stream
* at the same time per direction.
* If downlink sends two segments on two different
* logical channels then we can not handle this..
*/
OUTF("WARN: Two segmented streams at the same time..\n");
/* Reset */
conptr->ptr = conptr->buf;
}
nfo.flags |= GSMSP_NFO_SEGMENTATION;
conptr->logicalchannel = logicalchannel;
}
@ -239,7 +257,6 @@ l2_data_out_B(int fn, const unsigned char *input_data, int len, int logicalchann
}
}
//if (nfo.flags & GSMSP_NFO_SEGMENTATION)
if (conptr->ptr > conptr->buf)
{
if (nfo.flags & GSMSP_NFO_SEGMENTATION)
@ -247,7 +264,7 @@ l2_data_out_B(int fn, const unsigned char *input_data, int len, int logicalchann
OUTF("-------- [SEGMENTED MESSAGE. MORE DATA FOLLOWS...]\n");
/* More fragments follow. No need to decode yet */
return;
} else
} else if (logicalchannel == conptr->logicalchannel)
OUTF("-------- [SEGMENTED MESSAGE. LAST...]\n");
}