Function rtpproxy_fill_call_args

modules/rtpproxy/rtpproxy.c:5129–5220

}

static int rtpproxy_fill_call_args(struct rtp_relay_session *sess, struct rtpp_args *args,
		str *ip, str *type, str *in_iface, str *out_iface,
		str *global_flags, str *flags, str *extra_flags, int require_from_tag)
{
	char *p;
	str b;

	if (!sess->from_tag) {
		if (require_from_tag &&
				(!sess->msg ||
				get_from_tag(sess->msg, &args->from_tag) == -1 ||
				args->from_tag.len == 0)) {
			LM_ERR("can't get From tag\n");
			return 0;
		}
	} else {
		args->from_tag = *sess->from_tag;
	}
	if (!sess->to_tag) {
		if (sess->msg && get_to_tag(sess->msg, &args->to_tag) == -1) {
			LM_ERR("can't get To tag\n");
			return 0;
		}
	} else {
		args->to_tag = *sess->to_tag;
	}
	if (!sess->callid) {
		if (!sess->msg ||
				get_callid(sess->msg, &args->callid) == -1 ||
				args->callid.len == 0) {
			LM_ERR("can't get Call-Id field\n");
			return 0;
		}
	} else {
		args->callid = *sess->callid;
	}
	if (sess->body)
		args->body = *sess->body;

	p = pkg_malloc((type?type->len:0) + (in_iface?in_iface->len:0) +
			(out_iface?out_iface->len:0) + (global_flags?global_flags->len:0) +
			(flags?flags->len:0) + (extra_flags?extra_flags->len:0) + 1 +
			((ip && ip->len)?ip->len + 1:0) +
			(sess->branch != -1?args->callid.len + 1 + INT2STR_MAX_LEN:0));
	if (!p) {
		LM_ERR("could not build flags!\n");
		return 0;
	}
	if (ip && ip->len) {
		args->arg2 = p;
		memcpy(p, ip->s, ip->len);
		p += ip->len;
		*p++ = '\0';
	}
	args->arg1 = p;
	if (type) {
		memcpy(p, type->s, type->len);
		p += type->len;