C++ (Cpp) sr_hdr_add_zsの例

コード例 #1

ファイル: dlg_cseq.c プロジェクト: 4N7HR4X/kamailio

int dlg_cseq_update(sip_msg_t *msg)
{
	dlg_cell_t *dlg = NULL;
	unsigned int direction;
	unsigned int ninc = 0;
	unsigned int vinc = 0;
	str nval;
	str *pval;

	if(dlg_cseq_prepare_msg(msg)!=0) {
		goto error;
	}
	if(msg->first_line.type==SIP_REPLY) {
		/* nothing to do for outgoing replies */
		goto done;
	}

	LM_DBG("initiating cseq updates\n");

	direction = DLG_DIR_NONE;
	dlg = dlg_lookup_msg_dialog(msg, &direction);

	if(dlg == NULL) {
		LM_DBG("no dialog for this request\n");
		goto done;
	}

	/* supported only for downstrem direction */
	if(direction != DLG_DIR_DOWNSTREAM) {
		LM_DBG("request not going downstream (%u)\n", direction);
		goto done;
	}

	ninc = 1;

	/* take the increment value from dialog */
	if((dlg->iflags&DLG_IFLAG_CSEQ_DIFF)==DLG_IFLAG_CSEQ_DIFF) {
		/* get dialog variable holding cseq diff */
		pval = get_dlg_variable(dlg, &_dlg_cseq_diff_var_name);
		if(pval==NULL || pval->s==NULL || pval->len<=0) {
			LM_DBG("dialog marked with cseq diff but no variable set yet\n");
			goto done;
		}
		if(str2int(pval, &vinc)<0) {
			LM_ERR("invalid dlg cseq diff var value: %.*s\n",
					pval->len, pval->s);
			goto done;
		}
	}
	vinc += ninc;
	if(vinc==0) {
		LM_DBG("nothing to increment\n");
		goto done;
	}
	nval.s = int2str(vinc, &nval.len);
	if(set_dlg_variable(dlg, &_dlg_cseq_diff_var_name, &nval) <0) {
		LM_ERR("failed to set the dlg cseq diff var\n");
		goto done;
	}
	str2int(&get_cseq(msg)->number, &ninc);
	vinc += ninc;
	nval.s = int2str(vinc, &nval.len);
	trim(&nval);

	LM_DBG("adding auth cseq header value: %.*s\n", nval.len, nval.s);
	parse_headers(msg, HDR_EOH_F, 0);
	sr_hdr_add_zs(msg, "P-K-Auth-CSeq", &nval);

done:
	if(dlg!=NULL) dlg_release(dlg);
	return 0;

error:
	if(dlg!=NULL) dlg_release(dlg);
	return -1;
}

コード例 #2

ファイル: dlg_cseq.c プロジェクト: adubovikov/kamailio

int dlg_cseq_refresh(sip_msg_t *msg, dlg_cell_t *dlg,
		unsigned int direction)
{
	unsigned int ninc = 0;
	unsigned int vinc = 0;
	str nval;
	str *pval;
	sr_cfgenv_t *cenv = NULL;

	if(dlg_cseq_prepare_msg(msg)!=0) {
		goto error;
	}
	if(msg->first_line.type==SIP_REPLY) {
		/* nothing to do for outgoing replies */
		goto done;
	}

	LM_DBG("initiating cseq refresh\n");

	/* supported only for downstrem direction */
	if(direction != DLG_DIR_DOWNSTREAM) {
		LM_DBG("request not going downstream (%u)\n", direction);
		goto done;
	}

	/* take the increment value from dialog */
	if(!((dlg->iflags&DLG_IFLAG_CSEQ_DIFF)==DLG_IFLAG_CSEQ_DIFF)) {
		LM_DBG("no cseq refresh required\n");
		goto done;
	}

	/* get dialog variable holding cseq diff */
	pval = get_dlg_variable(dlg, &_dlg_cseq_diff_var_name);
	if(pval==NULL || pval->s==NULL || pval->len<=0) {
		LM_DBG("dialog marked with cseq diff but no variable set yet\n");
		goto done;
	}

	if(str2int(pval, &vinc)<0) {
		LM_ERR("invalid dlg cseq diff var value: %.*s\n",
					pval->len, pval->s);
		goto done;
	}
	if(vinc==0) {
		LM_DBG("nothing to increment\n");
		goto done;
	}

	str2int(&get_cseq(msg)->number, &ninc);
	vinc += ninc;
	nval.s = int2str(vinc, &nval.len);
	trim(&nval);

	LM_DBG("adding cseq refresh header value: %.*s\n", nval.len, nval.s);
	if(parse_headers(msg, HDR_EOH_F, 0)==-1) {
		LM_ERR("failed to parse all headers\n");
	}
	cenv = sr_cfgenv_get();
	sr_hdr_add_zs(msg, cenv->uac_cseq_refresh.s, &nval);

done:
	return 0;

error:
	return -1;
}