2010/3/12 Trevor Nunes <trevor.nu...@gmail.com>:
> The problem is I can send any type of content I want as long as the first
> byte is not 0x00 ... If this byte is 0x00 it will send a 0 byte SIP message
> out. So for example here is a short message that works perfectly, If I
> change the payload[0] = 0x02 line to payload[0] = 0x00 an empty Content
> Length is generated ...
>
>
> --
> nua_handle_t *h;
> static int lastSequenceNum = -1;
> char payload[5];
>
> payload[0] = 0x02;
> payload[1] = 0x07;
> payload[2] = 0x01;
> payload[3] = gMOSMS_seqnum << 2;
> payload[4] = '\0';
>
>
> printf("smsagent: Sending L2-ACK with seq: %d \n", gMOSMS_seqnum );
>
> if( lastSequenceNum == gMOSMS_seqnum)
> {
> printf("smsagent: duplicate seq: %d \n", gMOSMS_seqnum );
> }
>
> // send_3ggp2_sms(nua, payload );
>
> h = nua_handle(nua, NULL, SIPTAG_TO_STR(gREMOTE_CLIENT_TAG), TAG_END() );
> nua_message(h, SIPTAG_CONTENT_TYPE_STR("application/vnd.3gpp2.sms"),
> SIPTAG_PAYLOAD_STR( payload ), TAG_END() );
> nua_handle_destroy(h);
> I guess I need to use a different macro that doesn't treat the payload as a
> string or initialize an empty SIP message and cast the pl_data pointer to my
> new message ? Should I just malloc() a bunch of bytes and assign this to
> pl_data and set pl_en even so I'm still using the SIPTAG_PAYLOAD_STR()
> macro so is there way of creating a nua_message where it will treat the
> pl_data not as a string ?
Yes, you are correct - you need to use the tag macro SIPTAG_PAYLOAD()
with a pointer to initialized sip_payload_t structure as its argument.
For example,
nua_handle_t *h;
static int lastSequenceNum = -1;
char payload[5];
payload[0] = 0x02;
payload[1] = 0x07;
payload[2] = 0x01;
payload[3] = gMOSMS_seqnum << 2;
payload[4] = '\0';
printf("smsagent: Sending L2-ACK with seq: %d \n", gMOSMS_seqnum );
sip_payload_t pl = SIP_PAYLOAD_INIT();
pl.pl_data = payload;
pl.pl_len = sizeof payload;
h = nua_handle(nua, NULL, SIPTAG_TO_STR(gREMOTE_CLIENT_TAG), TAG_END() );
nua_message(h, SIPTAG_CONTENT_TYPE_STR("application/vnd.3gpp2.sms"),
SIPTAG_PAYLOAD(&pl), TAG_END() );
nua_handle_destroy(h);
--
Pekka.Pessi mail at nokia.com
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