/* ================================================================= */
static void func_invite(struct cell *t,struct sip_msg *msg,int code,void *param)
{
int i;
//callback function
if (!check_transaction_quadruple(msg))
{
//we do not have a correct message from/callid/cseq/to
return;
}
i = encode_contact(msg,"enc_prefix","193.175.135.38");
fprintf(stdout,"decode/encode = returned %d\n",i);fflush(stdout);
if (t->is_invite)
{
if (msg->buf != NULL)
{
fprintf(stdout,"INVITE:received \n%s\n",msg->buf);fflush(stdout);
i = sdp_mangle_port(msg,"1000",NULL);
fprintf(stdout,"sdp_mangle_port returned %d\n",i);fflush(stdout);
i = sdp_mangle_ip(msg,"10.0.0.0/16","123.124.125.126");
fprintf(stdout,"sdp_mangle_ip returned %d\n",i);fflush(stdout);
}
else fprintf(stdout,"INVITE:received NULL\n");fflush(stdout);
}
else
{
fprintf(stdout,"NOT INVITE(REGISTER?) received \n%s\n",msg->buf);fflush(stdout);
//i = decode_contact(msg,NULL,NULL);
//fprintf(stdout,"decode/encode = returned %d\n",i);fflush(stdout);
}
fflush(stdout);
}
/*
* encodes a (maybe aggregated) contact header.
* encoding is:
* 1: flags
* 0x01 this is a star contact (*)
*[
* 1: number of contacts present
* N: fore each contact present, the length of the contact structure
* N*M: the contact structures concatenated
*]
*/
int encode_contact_body(char *hdr,int hdrlen,contact_body_t *contact_parsed,unsigned char *where)
{
int i=0,k,contact_offset;
unsigned char flags=0,tmp[500];
contact_t *mycontact;
if(contact_parsed->star){
flags|=STAR_F;
where[0]=flags;
return 1;
}
for(contact_offset=0,i=0,mycontact=contact_parsed->contacts;mycontact;mycontact=mycontact->next,i++){
if((k=encode_contact(hdr,hdrlen,mycontact,&tmp[contact_offset]))<0){
LM_ERR("parsing contact number %d\n",i);
return -1;
}
where[2+i]=k;
contact_offset+=k;
}
where[1]=(unsigned char)i;
memcpy(&where[2+i],tmp,contact_offset);
return 2+i+contact_offset;
}
