Example #1
0
static mblk_t *rtcp_create_simple_bye_packet(uint32_t ssrc, const char *reason) {
	int packet_size;
	int strsize = 0;
	int strpadding = 0;
	mblk_t *mp;
	rtcp_bye_t *rtcp;

	packet_size = RTCP_BYE_HEADER_SIZE;
	if (reason!=NULL) {
		strsize=(int)MIN(strlen(reason),RTCP_BYE_REASON_MAX_STRING_SIZE);
		if (strsize > 0) {
			strpadding = 3 - (strsize % 4);
			packet_size += 1 + strsize + strpadding;
		}
	}
	mp	= allocb(packet_size, 0);

	rtcp = (rtcp_bye_t*)mp->b_rptr;
	rtcp_common_header_init(&rtcp->ch,NULL,RTCP_BYE,1,packet_size);
	rtcp->ssrc[0] = htonl(ssrc);
	mp->b_wptr += RTCP_BYE_HEADER_SIZE;
	/* append the reason if any*/
	if (reason!=NULL) {
		const char pad[] = {0, 0, 0};
		unsigned char strsize_octet = (unsigned char)strsize;

		appendb(mp, (const char*)&strsize_octet, 1, FALSE);
		appendb(mp, reason,strsize, FALSE);
		appendb(mp, pad,strpadding, FALSE);
	}
	return mp;
}
Example #2
0
static mblk_t * sdes_chunk_append_item(mblk_t *m, rtcp_sdes_type_t sdes_type, const char *content) {
	if ( content )
	{
		sdes_item_t si;
		si.item_type=sdes_type;
		si.len=(uint8_t) MIN(strlen(content),RTCP_SDES_MAX_STRING_SIZE);
		m=appendb(m,(char*)&si,RTCP_SDES_ITEM_HEADER_SIZE,FALSE);
		m=appendb(m,content,si.len,FALSE);
	}
	return m;
}
Example #3
0
mblk_t *rtcp_create_simple_bye_packet(guint32 ssrc, const gchar *reason)
{	
	gint strsize=0;
    gint packet_size;
	mblk_t *mp;
	rtcp_bye_t *rtcp;
	packet_size	= RTCP_BYE_HEADER_SIZE + 1 + strsize;
	if (reason!=NULL)
		strsize=MIN(strlen(reason),RTCP_BYE_REASON_MAX_STRING_SIZE);
	mp	= allocb(packet_size, 0);
	
    rtcp = (rtcp_bye_t*)mp->b_rptr;

	rtcp_common_header_init(&rtcp->ch,NULL,RTCP_BYE,1,packet_size);
	rtcp->ssrc[0] = htonl(ssrc);
    mp->b_wptr += packet_size;
	/* append the reason if any*/
	if (reason!=NULL)
		appendb(mp,reason,strsize,FALSE);
	return mp;
}
Example #4
0
void msgappend(mblk_t *mp, const char *data, int size, bool_t pad){
	while(mp->b_cont!=NULL) mp=mp->b_cont;
	appendb(mp,data,size,pad);
}
Example #5
0
static mblk_t * sdes_chunk_pad(mblk_t *m){
	return appendb(m,"",1,TRUE);
}
Example #6
0
mblk_t * sdes_chunk_pad(mblk_t *m){
	return appendb(m,NULL,0,TRUE);
}